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0 | static int encode_block(SVQ1Context *s, uint8_t *src, uint8_t *ref, uint8_t *decoded, int stride, int level, int threshold, int lambda, int intra){ int count, y, x, i, j, split, best_mean, best_score, best_count; int best_vector[6]; int block_sum[7]= {0, 0, 0, 0, 0, 0}; int w= 2<<((level+2)>>1); int h= 2<<((level+1)>>1); int size=w*h; int16_t block[7][256]; const int8_t *codebook_sum, *codebook; const uint16_t (*mean_vlc)[2]; const uint8_t (*multistage_vlc)[2]; best_score=0; //FIXME optimize, this doenst need to be done multiple times if(intra){ codebook_sum= svq1_intra_codebook_sum[level]; codebook= svq1_intra_codebooks[level]; mean_vlc= svq1_intra_mean_vlc; multistage_vlc= svq1_intra_multistage_vlc[level]; for(y=0; y<h; y++){ for(x=0; x<w; x++){ int v= src[x + y*stride]; block[0][x + w*y]= v; best_score += v*v; block_sum[0] += v; } } }else{ codebook_sum= svq1_inter_codebook_sum[level]; codebook= svq1_inter_codebooks[level]; mean_vlc= svq1_inter_mean_vlc + 256; multistage_vlc= svq1_inter_multistage_vlc[level]; for(y=0; y<h; y++){ for(x=0; x<w; x++){ int v= src[x + y*stride] - ref[x + y*stride]; block[0][x + w*y]= v; best_score += v*v; block_sum[0] += v; } } } best_count=0; best_score -= ((block_sum[0]*block_sum[0])>>(level+3)); best_mean= (block_sum[0] + (size>>1)) >> (level+3); if(level<4){ for(count=1; count<7; count++){ int best_vector_score= INT_MAX; int best_vector_sum=-999, best_vector_mean=-999; const int stage= count-1; const int8_t *vector; for(i=0; i<16; i++){ int sum= codebook_sum[stage*16 + i]; int sqr, diff, mean, score; vector = codebook + stage*size*16 + i*size; sqr = s->dsp.ssd_int8_vs_int16(vector, block[stage], size); diff= block_sum[stage] - sum; mean= (diff + (size>>1)) >> (level+3); assert(mean >-300 && mean<300); if(intra) mean= av_clip(mean, 0, 255); else mean= av_clip(mean, -256, 255); score= sqr - ((diff*(int64_t)diff)>>(level+3)); //FIXME 64bit slooow if(score < best_vector_score){ best_vector_score= score; best_vector[stage]= i; best_vector_sum= sum; best_vector_mean= mean; } } assert(best_vector_mean != -999); vector= codebook + stage*size*16 + best_vector[stage]*size; for(j=0; j<size; j++){ block[stage+1][j] = block[stage][j] - vector[j]; } block_sum[stage+1]= block_sum[stage] - best_vector_sum; best_vector_score += lambda*(+ 1 + 4*count + multistage_vlc[1+count][1] + mean_vlc[best_vector_mean][1]); if(best_vector_score < best_score){ best_score= best_vector_score; best_count= count; best_mean= best_vector_mean; } } } split=0; if(best_score > threshold && level){ int score=0; int offset= (level&1) ? stride*h/2 : w/2; PutBitContext backup[6]; for(i=level-1; i>=0; i--){ backup[i]= s->reorder_pb[i]; } score += encode_block(s, src , ref , decoded , stride, level-1, threshold>>1, lambda, intra); score += encode_block(s, src + offset, ref + offset, decoded + offset, stride, level-1, threshold>>1, lambda, intra); score += lambda; if(score < best_score){ best_score= score; split=1; }else{ for(i=level-1; i>=0; i--){ s->reorder_pb[i]= backup[i]; } } } if (level > 0) put_bits(&s->reorder_pb[level], 1, split); if(!split){ assert((best_mean >= 0 && best_mean<256) || !intra); assert(best_mean >= -256 && best_mean<256); assert(best_count >=0 && best_count<7); assert(level<4 || best_count==0); /* output the encoding */ put_bits(&s->reorder_pb[level], multistage_vlc[1 + best_count][1], multistage_vlc[1 + best_count][0]); put_bits(&s->reorder_pb[level], mean_vlc[best_mean][1], mean_vlc[best_mean][0]); for (i = 0; i < best_count; i++){ assert(best_vector[i]>=0 && best_vector[i]<16); put_bits(&s->reorder_pb[level], 4, best_vector[i]); } for(y=0; y<h; y++){ for(x=0; x<w; x++){ decoded[x + y*stride]= src[x + y*stride] - block[best_count][x + w*y] + best_mean; } } } return best_score; } | 18,369 |
0 | int ff_v4l2_context_dequeue_frame(V4L2Context* ctx, AVFrame* frame) { V4L2Buffer* avbuf = NULL; /* if we are draining, we are no longer inputing data, therefore enable a * timeout so we can dequeue and flag the last valid buffer. * * blocks until: * 1. decoded frame available * 2. an input buffer is ready to be dequeued */ avbuf = v4l2_dequeue_v4l2buf(ctx, ctx_to_m2mctx(ctx)->draining ? 200 : -1); if (!avbuf) { if (ctx->done) return AVERROR_EOF; return AVERROR(EAGAIN); } return ff_v4l2_buffer_buf_to_avframe(frame, avbuf); } | 18,370 |
0 | int ff_h264_decode_mb_cabac(H264Context *h) { MpegEncContext * const s = &h->s; int mb_xy; int mb_type, partition_count, cbp = 0; int dct8x8_allowed= h->pps.transform_8x8_mode; mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride; tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y); if( h->slice_type_nos != FF_I_TYPE ) { int skip; /* a skipped mb needs the aff flag from the following mb */ if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 ) predict_field_decoding_flag(h); if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped ) skip = h->next_mb_skipped; else skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y ); /* read skip flags */ if( skip ) { if( FRAME_MBAFF && (s->mb_y&1)==0 ){ s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP; h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 ); if(!h->next_mb_skipped) h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h); } decode_mb_skip(h); h->cbp_table[mb_xy] = 0; h->chroma_pred_mode_table[mb_xy] = 0; h->last_qscale_diff = 0; return 0; } } if(FRAME_MBAFF){ if( (s->mb_y&1) == 0 ) h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h); } h->prev_mb_skipped = 0; compute_mb_neighbors(h); if( h->slice_type_nos == FF_B_TYPE ) { mb_type = decode_cabac_mb_type_b( h ); if( mb_type < 23 ){ partition_count= b_mb_type_info[mb_type].partition_count; mb_type= b_mb_type_info[mb_type].type; }else{ mb_type -= 23; goto decode_intra_mb; } } else if( h->slice_type_nos == FF_P_TYPE ) { if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) { /* P-type */ if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) { /* P_L0_D16x16, P_8x8 */ mb_type= 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] ); } else { /* P_L0_D8x16, P_L0_D16x8 */ mb_type= 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] ); } partition_count= p_mb_type_info[mb_type].partition_count; mb_type= p_mb_type_info[mb_type].type; } else { mb_type= decode_cabac_intra_mb_type(h, 17, 0); goto decode_intra_mb; } } else { mb_type= decode_cabac_intra_mb_type(h, 3, 1); if(h->slice_type == FF_SI_TYPE && mb_type) mb_type--; assert(h->slice_type_nos == FF_I_TYPE); decode_intra_mb: partition_count = 0; cbp= i_mb_type_info[mb_type].cbp; h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode; mb_type= i_mb_type_info[mb_type].type; } if(MB_FIELD) mb_type |= MB_TYPE_INTERLACED; h->slice_table[ mb_xy ]= h->slice_num; if(IS_INTRA_PCM(mb_type)) { const uint8_t *ptr; // We assume these blocks are very rare so we do not optimize it. // FIXME The two following lines get the bitstream position in the cabac // decode, I think it should be done by a function in cabac.h (or cabac.c). ptr= h->cabac.bytestream; if(h->cabac.low&0x1) ptr--; if(CABAC_BITS==16){ if(h->cabac.low&0x1FF) ptr--; } // The pixels are stored in the same order as levels in h->mb array. memcpy(h->mb, ptr, 256); ptr+=256; if(CHROMA){ memcpy(h->mb+128, ptr, 128); ptr+=128; } ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr); // All blocks are present h->cbp_table[mb_xy] = 0x1ef; h->chroma_pred_mode_table[mb_xy] = 0; // In deblocking, the quantizer is 0 s->current_picture.qscale_table[mb_xy]= 0; // All coeffs are present memset(h->non_zero_count[mb_xy], 16, 16); s->current_picture.mb_type[mb_xy]= mb_type; h->last_qscale_diff = 0; return 0; } if(MB_MBAFF){ h->ref_count[0] <<= 1; h->ref_count[1] <<= 1; } fill_caches(h, mb_type, 0); if( IS_INTRA( mb_type ) ) { int i, pred_mode; if( IS_INTRA4x4( mb_type ) ) { if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) { mb_type |= MB_TYPE_8x8DCT; for( i = 0; i < 16; i+=4 ) { int pred = pred_intra_mode( h, i ); int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred ); fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 ); } } else { for( i = 0; i < 16; i++ ) { int pred = pred_intra_mode( h, i ); h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred ); //av_log( s->avctx, AV_LOG_ERROR, "i4x4 pred=%d mode=%d\n", pred, h->intra4x4_pred_mode_cache[ scan8[i] ] ); } } ff_h264_write_back_intra_pred_mode(h); if( ff_h264_check_intra4x4_pred_mode(h) < 0 ) return -1; } else { h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode( h, h->intra16x16_pred_mode ); if( h->intra16x16_pred_mode < 0 ) return -1; } if(CHROMA){ h->chroma_pred_mode_table[mb_xy] = pred_mode = decode_cabac_mb_chroma_pre_mode( h ); pred_mode= ff_h264_check_intra_pred_mode( h, pred_mode ); if( pred_mode < 0 ) return -1; h->chroma_pred_mode= pred_mode; } } else if( partition_count == 4 ) { int i, j, sub_partition_count[4], list, ref[2][4]; if( h->slice_type_nos == FF_B_TYPE ) { for( i = 0; i < 4; i++ ) { h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h ); sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type; } if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] | h->sub_mb_type[2] | h->sub_mb_type[3]) ) { ff_h264_pred_direct_motion(h, &mb_type); h->ref_cache[0][scan8[4]] = h->ref_cache[1][scan8[4]] = h->ref_cache[0][scan8[12]] = h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE; if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) { for( i = 0; i < 4; i++ ) if( IS_DIRECT(h->sub_mb_type[i]) ) fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 ); } } } else { for( i = 0; i < 4; i++ ) { h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h ); sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type; } } for( list = 0; list < h->list_count; list++ ) { for( i = 0; i < 4; i++ ) { if(IS_DIRECT(h->sub_mb_type[i])) continue; if(IS_DIR(h->sub_mb_type[i], 0, list)){ if( h->ref_count[list] > 1 ){ ref[list][i] = decode_cabac_mb_ref( h, list, 4*i ); if(ref[list][i] >= (unsigned)h->ref_count[list]){ av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref[list][i], h->ref_count[list]); return -1; } }else ref[list][i] = 0; } else { ref[list][i] = -1; } h->ref_cache[list][ scan8[4*i]+1 ]= h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i]; } } if(dct8x8_allowed) dct8x8_allowed = get_dct8x8_allowed(h); for(list=0; list<h->list_count; list++){ for(i=0; i<4; i++){ h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ]; if(IS_DIRECT(h->sub_mb_type[i])){ fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4); continue; } if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){ const int sub_mb_type= h->sub_mb_type[i]; const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1; for(j=0; j<sub_partition_count[i]; j++){ int mpx, mpy; int mx, my; const int index= 4*i + block_width*j; int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ]; int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ]; pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy); mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 ); my = mpy + decode_cabac_mb_mvd( h, list, index, 1 ); tprintf(s->avctx, "final mv:%d %d\n", mx, my); if(IS_SUB_8X8(sub_mb_type)){ mv_cache[ 1 ][0]= mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx; mv_cache[ 1 ][1]= mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my; mvd_cache[ 1 ][0]= mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx; mvd_cache[ 1 ][1]= mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy; }else if(IS_SUB_8X4(sub_mb_type)){ mv_cache[ 1 ][0]= mx; mv_cache[ 1 ][1]= my; mvd_cache[ 1 ][0]= mx - mpx; mvd_cache[ 1 ][1]= my - mpy; }else if(IS_SUB_4X8(sub_mb_type)){ mv_cache[ 8 ][0]= mx; mv_cache[ 8 ][1]= my; mvd_cache[ 8 ][0]= mx - mpx; mvd_cache[ 8 ][1]= my - mpy; } mv_cache[ 0 ][0]= mx; mv_cache[ 0 ][1]= my; mvd_cache[ 0 ][0]= mx - mpx; mvd_cache[ 0 ][1]= my - mpy; } }else{ uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0]; uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0]; p[0] = p[1] = p[8] = p[9] = 0; pd[0]= pd[1]= pd[8]= pd[9]= 0; } } } } else if( IS_DIRECT(mb_type) ) { ff_h264_pred_direct_motion(h, &mb_type); fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4); fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4); dct8x8_allowed &= h->sps.direct_8x8_inference_flag; } else { int list, mx, my, i, mpx, mpy; if(IS_16X16(mb_type)){ for(list=0; list<h->list_count; list++){ if(IS_DIR(mb_type, 0, list)){ int ref; if(h->ref_count[list] > 1){ ref= decode_cabac_mb_ref(h, list, 0); if(ref >= (unsigned)h->ref_count[list]){ av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]); return -1; } }else ref=0; fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1); }else fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1); //FIXME factorize and the other fill_rect below too } for(list=0; list<h->list_count; list++){ if(IS_DIR(mb_type, 0, list)){ pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy); mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 ); my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 ); tprintf(s->avctx, "final mv:%d %d\n", mx, my); fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4); fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4); }else fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4); } } else if(IS_16X8(mb_type)){ for(list=0; list<h->list_count; list++){ for(i=0; i<2; i++){ if(IS_DIR(mb_type, i, list)){ int ref; if(h->ref_count[list] > 1){ ref= decode_cabac_mb_ref( h, list, 8*i ); if(ref >= (unsigned)h->ref_count[list]){ av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]); return -1; } }else ref=0; fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1); }else fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1); } } for(list=0; list<h->list_count; list++){ for(i=0; i<2; i++){ if(IS_DIR(mb_type, i, list)){ pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy); mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 ); my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 ); tprintf(s->avctx, "final mv:%d %d\n", mx, my); fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4); fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4); }else{ fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4); fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4); } } } }else{ assert(IS_8X16(mb_type)); for(list=0; list<h->list_count; list++){ for(i=0; i<2; i++){ if(IS_DIR(mb_type, i, list)){ //FIXME optimize int ref; if(h->ref_count[list] > 1){ ref= decode_cabac_mb_ref( h, list, 4*i ); if(ref >= (unsigned)h->ref_count[list]){ av_log(s->avctx, AV_LOG_ERROR, "Reference %d >= %d\n", ref, h->ref_count[list]); return -1; } }else ref=0; fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1); }else fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1); } } for(list=0; list<h->list_count; list++){ for(i=0; i<2; i++){ if(IS_DIR(mb_type, i, list)){ pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy); mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 ); my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 ); tprintf(s->avctx, "final mv:%d %d\n", mx, my); fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4); fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4); }else{ fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4); fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4); } } } } } if( IS_INTER( mb_type ) ) { h->chroma_pred_mode_table[mb_xy] = 0; write_back_motion( h, mb_type ); } if( !IS_INTRA16x16( mb_type ) ) { cbp = decode_cabac_mb_cbp_luma( h ); if(CHROMA) cbp |= decode_cabac_mb_cbp_chroma( h ) << 4; } h->cbp_table[mb_xy] = h->cbp = cbp; if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) { if( decode_cabac_mb_transform_size( h ) ) mb_type |= MB_TYPE_8x8DCT; } s->current_picture.mb_type[mb_xy]= mb_type; if( cbp || IS_INTRA16x16( mb_type ) ) { const uint8_t *scan, *scan8x8, *dc_scan; const uint32_t *qmul; int dqp; if(IS_INTERLACED(mb_type)){ scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0; scan= s->qscale ? h->field_scan : h->field_scan_q0; dc_scan= luma_dc_field_scan; }else{ scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0; scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0; dc_scan= luma_dc_zigzag_scan; } h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h ); if( dqp == INT_MIN ){ av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y); return -1; } s->qscale += dqp; if(((unsigned)s->qscale) > 51){ if(s->qscale<0) s->qscale+= 52; else s->qscale-= 52; } h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale); h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale); if( IS_INTRA16x16( mb_type ) ) { int i; //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 DC\n" ); decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16); if( cbp&15 ) { qmul = h->dequant4_coeff[0][s->qscale]; for( i = 0; i < 16; i++ ) { //av_log( s->avctx, AV_LOG_ERROR, "INTRA16x16 AC:%d\n", i ); decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, qmul, 15); } } else { fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1); } } else { int i8x8, i4x4; for( i8x8 = 0; i8x8 < 4; i8x8++ ) { if( cbp & (1<<i8x8) ) { if( IS_8x8DCT(mb_type) ) { decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8, scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64); } else { qmul = h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale]; for( i4x4 = 0; i4x4 < 4; i4x4++ ) { const int index = 4*i8x8 + i4x4; //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index ); //START_TIMER decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, qmul, 16); //STOP_TIMER("decode_residual") } } } else { uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ]; nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0; } } } if( cbp&0x30 ){ int c; for( c = 0; c < 2; c++ ) { //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-DC\n",c ); decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4); } } if( cbp&0x20 ) { int c, i; for( c = 0; c < 2; c++ ) { qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]]; for( i = 0; i < 4; i++ ) { const int index = 16 + 4 * c + i; //av_log( s->avctx, AV_LOG_ERROR, "INTRA C%d-AC %d\n",c, index - 16 ); decode_cabac_residual(h, h->mb + 16*index, 4, index, scan + 1, qmul, 15); } } } else { uint8_t * const nnz= &h->non_zero_count_cache[0]; nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] = nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0; } } else { uint8_t * const nnz= &h->non_zero_count_cache[0]; fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1); nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] = nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0; h->last_qscale_diff = 0; } s->current_picture.qscale_table[mb_xy]= s->qscale; write_back_non_zero_count(h); if(MB_MBAFF){ h->ref_count[0] >>= 1; h->ref_count[1] >>= 1; } return 0; } | 18,372 |
1 | static int parse_read_interval(const char *interval_spec, ReadInterval *interval) { int ret = 0; char *next, *p, *spec = av_strdup(interval_spec); if (!spec) return AVERROR(ENOMEM); if (!*spec) { av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n"); ret = AVERROR(EINVAL); goto end; } p = spec; next = strchr(spec, '%'); if (next) *next++ = 0; /* parse first part */ if (*p) { interval->has_start = 1; if (*p == '+') { interval->start_is_offset = 1; p++; } else { interval->start_is_offset = 0; } ret = av_parse_time(&interval->start, p, 1); if (ret < 0) { av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p); goto end; } } else { interval->has_start = 0; } /* parse second part */ p = next; if (p && *p) { int64_t us; interval->has_end = 1; if (*p == '+') { interval->end_is_offset = 1; p++; } else { interval->end_is_offset = 0; } if (interval->end_is_offset && *p == '#') { long long int lli; char *tail; interval->duration_frames = 1; p++; lli = strtoll(p, &tail, 10); if (*tail || lli < 0) { av_log(NULL, AV_LOG_ERROR, "Invalid or negative value '%s' for duration number of frames\n", p); goto end; } interval->end = lli; } else { ret = av_parse_time(&us, p, 1); if (ret < 0) { av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p); goto end; } interval->end = us; } } else { interval->has_end = 0; } end: av_free(spec); return ret; } | 18,373 |
1 | static uint32_t qvirtio_pci_get_guest_features(QVirtioDevice *d) { QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d; return qpci_io_readl(dev->pdev, dev->addr + VIRTIO_PCI_GUEST_FEATURES); } | 18,374 |
1 | bool virtio_scsi_handle_cmd_req_prepare(VirtIOSCSI *s, VirtIOSCSIReq *req) { VirtIOSCSICommon *vs = &s->parent_obj; SCSIDevice *d; int rc; rc = virtio_scsi_parse_req(req, sizeof(VirtIOSCSICmdReq) + vs->cdb_size, sizeof(VirtIOSCSICmdResp) + vs->sense_size); if (rc < 0) { if (rc == -ENOTSUP) { virtio_scsi_fail_cmd_req(req); } else { virtio_scsi_bad_req(); } return false; } d = virtio_scsi_device_find(s, req->req.cmd.lun); if (!d) { req->resp.cmd.response = VIRTIO_SCSI_S_BAD_TARGET; virtio_scsi_complete_cmd_req(req); return false; } if (s->dataplane_started) { assert(blk_get_aio_context(d->conf.blk) == s->ctx); } req->sreq = scsi_req_new(d, req->req.cmd.tag, virtio_scsi_get_lun(req->req.cmd.lun), req->req.cmd.cdb, req); if (req->sreq->cmd.mode != SCSI_XFER_NONE && (req->sreq->cmd.mode != req->mode || req->sreq->cmd.xfer > req->qsgl.size)) { req->resp.cmd.response = VIRTIO_SCSI_S_OVERRUN; virtio_scsi_complete_cmd_req(req); return false; } scsi_req_ref(req->sreq); blk_io_plug(d->conf.blk); return true; } | 18,375 |
1 | static int mxf_read_primer_pack(void *arg, AVIOContext *pb, int tag, int size, UID uid) { MXFContext *mxf = arg; int item_num = avio_rb32(pb); int item_len = avio_rb32(pb); if (item_len != 18) { av_log(mxf->fc, AV_LOG_ERROR, "unsupported primer pack item length\n"); return -1; } if (item_num > UINT_MAX / item_len) return -1; mxf->local_tags_count = item_num; mxf->local_tags = av_malloc(item_num*item_len); if (!mxf->local_tags) return -1; avio_read(pb, mxf->local_tags, item_num*item_len); return 0; } | 18,376 |
1 | void qmp_transaction(BlockdevActionList *dev_list, Error **errp) { int ret = 0; BlockdevActionList *dev_entry = dev_list; BlkTransactionStates *states, *next; QSIMPLEQ_HEAD(snap_bdrv_states, BlkTransactionStates) snap_bdrv_states; QSIMPLEQ_INIT(&snap_bdrv_states); /* drain all i/o before any snapshots */ bdrv_drain_all(); /* We don't do anything in this loop that commits us to the snapshot */ while (NULL != dev_entry) { BlockdevAction *dev_info = NULL; BlockDriver *proto_drv; BlockDriver *drv; int flags; enum NewImageMode mode; const char *new_image_file; const char *device; const char *format = "qcow2"; dev_info = dev_entry->value; dev_entry = dev_entry->next; states = g_malloc0(sizeof(BlkTransactionStates)); QSIMPLEQ_INSERT_TAIL(&snap_bdrv_states, states, entry); switch (dev_info->kind) { case BLOCKDEV_ACTION_KIND_BLOCKDEV_SNAPSHOT_SYNC: device = dev_info->blockdev_snapshot_sync->device; if (!dev_info->blockdev_snapshot_sync->has_mode) { dev_info->blockdev_snapshot_sync->mode = NEW_IMAGE_MODE_ABSOLUTE_PATHS; } new_image_file = dev_info->blockdev_snapshot_sync->snapshot_file; if (dev_info->blockdev_snapshot_sync->has_format) { format = dev_info->blockdev_snapshot_sync->format; } mode = dev_info->blockdev_snapshot_sync->mode; break; default: abort(); } drv = bdrv_find_format(format); if (!drv) { error_set(errp, QERR_INVALID_BLOCK_FORMAT, format); goto delete_and_fail; } states->old_bs = bdrv_find(device); if (!states->old_bs) { error_set(errp, QERR_DEVICE_NOT_FOUND, device); goto delete_and_fail; } if (!bdrv_is_inserted(states->old_bs)) { error_set(errp, QERR_DEVICE_HAS_NO_MEDIUM, device); goto delete_and_fail; } if (bdrv_in_use(states->old_bs)) { error_set(errp, QERR_DEVICE_IN_USE, device); goto delete_and_fail; } if (!bdrv_is_read_only(states->old_bs)) { if (bdrv_flush(states->old_bs)) { error_set(errp, QERR_IO_ERROR); goto delete_and_fail; } } flags = states->old_bs->open_flags; proto_drv = bdrv_find_protocol(new_image_file); if (!proto_drv) { error_set(errp, QERR_INVALID_BLOCK_FORMAT, format); goto delete_and_fail; } /* create new image w/backing file */ if (mode != NEW_IMAGE_MODE_EXISTING) { ret = bdrv_img_create(new_image_file, format, states->old_bs->filename, states->old_bs->drv->format_name, NULL, -1, flags); if (ret) { error_set(errp, QERR_OPEN_FILE_FAILED, new_image_file); goto delete_and_fail; } } /* We will manually add the backing_hd field to the bs later */ states->new_bs = bdrv_new(""); ret = bdrv_open(states->new_bs, new_image_file, flags | BDRV_O_NO_BACKING, drv); if (ret != 0) { error_set(errp, QERR_OPEN_FILE_FAILED, new_image_file); goto delete_and_fail; } } /* Now we are going to do the actual pivot. Everything up to this point * is reversible, but we are committed at this point */ QSIMPLEQ_FOREACH(states, &snap_bdrv_states, entry) { /* This removes our old bs from the bdrv_states, and adds the new bs */ bdrv_append(states->new_bs, states->old_bs); } /* success */ goto exit; delete_and_fail: /* * failure, and it is all-or-none; abandon each new bs, and keep using * the original bs for all images */ QSIMPLEQ_FOREACH(states, &snap_bdrv_states, entry) { if (states->new_bs) { bdrv_delete(states->new_bs); } } exit: QSIMPLEQ_FOREACH_SAFE(states, &snap_bdrv_states, entry, next) { g_free(states); } return; } | 18,377 |
1 | static int genh_read_header(AVFormatContext *s) { unsigned start_offset, header_size, codec, coef_type, coef[2]; GENHDemuxContext *c = s->priv_data; av_unused unsigned coef_splitted[2]; int align, ch, ret; AVStream *st; avio_skip(s->pb, 4); st = avformat_new_stream(s, NULL); if (!st) return AVERROR(ENOMEM); st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; st->codecpar->channels = avio_rl32(s->pb); if (st->codecpar->channels <= 0) return AVERROR_INVALIDDATA; if (st->codecpar->channels == 1) st->codecpar->channel_layout = AV_CH_LAYOUT_MONO; else if (st->codecpar->channels == 2) st->codecpar->channel_layout = AV_CH_LAYOUT_STEREO; align = c->interleave_size = avio_rl32(s->pb); if (align < 0 || align > INT_MAX / st->codecpar->channels) return AVERROR_INVALIDDATA; st->codecpar->block_align = align * st->codecpar->channels; st->codecpar->sample_rate = avio_rl32(s->pb); avio_skip(s->pb, 4); st->duration = avio_rl32(s->pb); codec = avio_rl32(s->pb); switch (codec) { case 0: st->codecpar->codec_id = AV_CODEC_ID_ADPCM_PSX; break; case 1: case 11: st->codecpar->bits_per_coded_sample = 4; st->codecpar->block_align = 36 * st->codecpar->channels; st->codecpar->codec_id = AV_CODEC_ID_ADPCM_IMA_WAV; break; case 2: st->codecpar->codec_id = AV_CODEC_ID_ADPCM_DTK; break; case 3: st->codecpar->codec_id = st->codecpar->block_align > 0 ? AV_CODEC_ID_PCM_S16BE_PLANAR : AV_CODEC_ID_PCM_S16BE; break; case 4: st->codecpar->codec_id = st->codecpar->block_align > 0 ? AV_CODEC_ID_PCM_S16LE_PLANAR : AV_CODEC_ID_PCM_S16LE; break; case 5: st->codecpar->codec_id = st->codecpar->block_align > 0 ? AV_CODEC_ID_PCM_S8_PLANAR : AV_CODEC_ID_PCM_S8; break; case 6: st->codecpar->codec_id = AV_CODEC_ID_SDX2_DPCM; break; case 7: ret = ff_alloc_extradata(st->codecpar, 2); if (ret < 0) return ret; AV_WL16(st->codecpar->extradata, 3); st->codecpar->codec_id = AV_CODEC_ID_ADPCM_IMA_WS; break; case 10: st->codecpar->codec_id = AV_CODEC_ID_ADPCM_AICA; break; case 12: st->codecpar->codec_id = AV_CODEC_ID_ADPCM_THP; break; case 13: st->codecpar->codec_id = AV_CODEC_ID_PCM_U8; break; case 17: st->codecpar->codec_id = AV_CODEC_ID_ADPCM_IMA_QT; break; default: avpriv_request_sample(s, "codec %d", codec); return AVERROR_PATCHWELCOME; } start_offset = avio_rl32(s->pb); header_size = avio_rl32(s->pb); if (header_size > start_offset) return AVERROR_INVALIDDATA; if (header_size == 0) start_offset = 0x800; coef[0] = avio_rl32(s->pb); coef[1] = avio_rl32(s->pb); c->dsp_int_type = avio_rl32(s->pb); coef_type = avio_rl32(s->pb); coef_splitted[0] = avio_rl32(s->pb); coef_splitted[1] = avio_rl32(s->pb); if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_THP) { if (st->codecpar->channels > 2) { avpriv_request_sample(s, "channels %d>2", st->codecpar->channels); return AVERROR_PATCHWELCOME; } ff_alloc_extradata(st->codecpar, 32 * st->codecpar->channels); for (ch = 0; ch < st->codecpar->channels; ch++) { if (coef_type & 1) { avpriv_request_sample(s, "coef_type & 1"); return AVERROR_PATCHWELCOME; } else { avio_seek(s->pb, coef[ch], SEEK_SET); avio_read(s->pb, st->codecpar->extradata + 32 * ch, 32); } } if (c->dsp_int_type == 1) { st->codecpar->block_align = 8 * st->codecpar->channels; if (c->interleave_size != 1 && c->interleave_size != 2 && c->interleave_size != 4) return AVERROR_INVALIDDATA; } } avio_skip(s->pb, start_offset - avio_tell(s->pb)); avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate); return 0; } | 18,378 |
1 | static void virtio_scsi_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); dc->exit = virtio_scsi_device_exit; dc->props = virtio_scsi_properties; set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); vdc->init = virtio_scsi_device_init; vdc->set_config = virtio_scsi_set_config; vdc->get_features = virtio_scsi_get_features; vdc->reset = virtio_scsi_reset; } | 18,379 |
1 | static int jpeg2000_decode_packet(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty, Jpeg2000ResLevel *rlevel, int precno, int layno, uint8_t *expn, int numgbits) { int bandno, cblkno, ret, nb_code_blocks; if (!(ret = get_bits(s, 1))) { jpeg2000_flush(s); return 0; } else if (ret < 0) return ret; for (bandno = 0; bandno < rlevel->nbands; bandno++) { Jpeg2000Band *band = rlevel->band + bandno; Jpeg2000Prec *prec = band->prec + precno; if (band->coord[0][0] == band->coord[0][1] || band->coord[1][0] == band->coord[1][1]) continue; nb_code_blocks = prec->nb_codeblocks_height * prec->nb_codeblocks_width; for (cblkno = 0; cblkno < nb_code_blocks; cblkno++) { Jpeg2000Cblk *cblk = prec->cblk + cblkno; int incl, newpasses, llen; if (cblk->npasses) incl = get_bits(s, 1); else incl = tag_tree_decode(s, prec->cblkincl + cblkno, layno + 1) == layno; if (!incl) continue; else if (incl < 0) return incl; if (!cblk->npasses) cblk->nonzerobits = expn[bandno] + numgbits - 1 - tag_tree_decode(s, prec->zerobits + cblkno, 100); if ((newpasses = getnpasses(s)) < 0) return newpasses; if ((llen = getlblockinc(s)) < 0) return llen; cblk->lblock += llen; if ((ret = get_bits(s, av_log2(newpasses) + cblk->lblock)) < 0) return ret; cblk->lengthinc = ret; cblk->npasses += newpasses; } } jpeg2000_flush(s); if (codsty->csty & JPEG2000_CSTY_EPH) { if (bytestream2_peek_be16(&s->g) == JPEG2000_EPH) bytestream2_skip(&s->g, 2); else av_log(s->avctx, AV_LOG_ERROR, "EPH marker not found.\n"); } for (bandno = 0; bandno < rlevel->nbands; bandno++) { Jpeg2000Band *band = rlevel->band + bandno; Jpeg2000Prec *prec = band->prec + precno; nb_code_blocks = prec->nb_codeblocks_height * prec->nb_codeblocks_width; for (cblkno = 0; cblkno < nb_code_blocks; cblkno++) { Jpeg2000Cblk *cblk = prec->cblk + cblkno; if ( bytestream2_get_bytes_left(&s->g) < cblk->lengthinc || sizeof(cblk->data) < cblk->lengthinc ) return AVERROR(EINVAL); /* Code-block data can be empty. In that case initialize data * with 0xFFFF. */ if (cblk->lengthinc > 0) { bytestream2_get_bufferu(&s->g, cblk->data, cblk->lengthinc); } else { cblk->data[0] = 0xFF; cblk->data[1] = 0xFF; } cblk->length += cblk->lengthinc; cblk->lengthinc = 0; } } return 0; } | 18,380 |
1 | void v9fs_device_unrealize_common(V9fsState *s, Error **errp) { g_free(s->tag); g_free(s->ctx.fs_root); | 18,381 |
1 | void virtio_scsi_common_realize(DeviceState *dev, Error **errp, HandleOutput ctrl, HandleOutput evt, HandleOutput cmd) { VirtIODevice *vdev = VIRTIO_DEVICE(dev); VirtIOSCSICommon *s = VIRTIO_SCSI_COMMON(dev); int i; virtio_init(vdev, "virtio-scsi", VIRTIO_ID_SCSI, sizeof(VirtIOSCSIConfig)); if (s->conf.num_queues <= 0 || s->conf.num_queues > VIRTIO_PCI_QUEUE_MAX) { error_setg(errp, "Invalid number of queues (= %" PRId32 "), " "must be a positive integer less than %d.", s->conf.num_queues, VIRTIO_PCI_QUEUE_MAX); return; } s->cmd_vqs = g_malloc0(s->conf.num_queues * sizeof(VirtQueue *)); s->sense_size = VIRTIO_SCSI_SENSE_SIZE; s->cdb_size = VIRTIO_SCSI_CDB_SIZE; s->ctrl_vq = virtio_add_queue(vdev, VIRTIO_SCSI_VQ_SIZE, ctrl); s->event_vq = virtio_add_queue(vdev, VIRTIO_SCSI_VQ_SIZE, evt); for (i = 0; i < s->conf.num_queues; i++) { s->cmd_vqs[i] = virtio_add_queue(vdev, VIRTIO_SCSI_VQ_SIZE, cmd); } if (s->conf.iothread) { virtio_scsi_set_iothread(VIRTIO_SCSI(s), s->conf.iothread); } } | 18,382 |
0 | static int rpza_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { RpzaContext *s = avctx->priv_data; int ret; bytestream2_init(&s->gb, avpkt->data, avpkt->size); if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) { av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); return ret; } rpza_decode_stream(s); if ((ret = av_frame_ref(data, s->frame)) < 0) return ret; *got_frame = 1; /* always report that the buffer was completely consumed */ return avpkt->size; } | 18,383 |
1 | static int decode_cell_data(Cell *cell, uint8_t *block, uint8_t *ref_block, int pitch, int h_zoom, int v_zoom, int mode, const vqEntry *delta[2], int swap_quads[2], const uint8_t **data_ptr, const uint8_t *last_ptr) { int x, y, line, num_lines; int rle_blocks = 0; uint8_t code, *dst, *ref; const vqEntry *delta_tab; unsigned int dyad1, dyad2; uint64_t pix64; int skip_flag = 0, is_top_of_cell, is_first_row = 1; int row_offset, blk_row_offset, line_offset; row_offset = pitch; blk_row_offset = (row_offset << (2 + v_zoom)) - (cell->width << 2); line_offset = v_zoom ? row_offset : 0; for (y = 0; y < cell->height; is_first_row = 0, y += 1 + v_zoom) { for (x = 0; x < cell->width; x += 1 + h_zoom) { ref = ref_block; dst = block; if (rle_blocks > 0) { if (mode <= 4) { RLE_BLOCK_COPY; } else if (mode == 10 && !cell->mv_ptr) { RLE_BLOCK_COPY_8; } rle_blocks--; } else { for (line = 0; line < 4;) { num_lines = 1; is_top_of_cell = is_first_row && !line; /* select primary VQ table for odd, secondary for even lines */ if (mode <= 4) delta_tab = delta[line & 1]; else delta_tab = delta[1]; BUFFER_PRECHECK; code = bytestream_get_byte(data_ptr); if (code < 248) { if (code < delta_tab->num_dyads) { BUFFER_PRECHECK; dyad1 = bytestream_get_byte(data_ptr); dyad2 = code; if (dyad1 >= delta_tab->num_dyads || dyad1 >= 248) } else { /* process QUADS */ code -= delta_tab->num_dyads; dyad1 = code / delta_tab->quad_exp; dyad2 = code % delta_tab->quad_exp; if (swap_quads[line & 1]) FFSWAP(unsigned int, dyad1, dyad2); } if (mode <= 4) { APPLY_DELTA_4; } else if (mode == 10 && !cell->mv_ptr) { APPLY_DELTA_8; } else { APPLY_DELTA_1011_INTER; } } else { /* process RLE codes */ switch (code) { case RLE_ESC_FC: skip_flag = 0; rle_blocks = 1; code = 253; /* FALLTHROUGH */ case RLE_ESC_FF: case RLE_ESC_FE: case RLE_ESC_FD: num_lines = 257 - code - line; if (num_lines <= 0) return IV3_BAD_RLE; if (mode <= 4) { RLE_LINES_COPY; } else if (mode == 10 && !cell->mv_ptr) { RLE_LINES_COPY_M10; } break; case RLE_ESC_FB: BUFFER_PRECHECK; code = bytestream_get_byte(data_ptr); rle_blocks = (code & 0x1F) - 1; /* set block counter */ if (code >= 64 || rle_blocks < 0) return IV3_BAD_COUNTER; skip_flag = code & 0x20; num_lines = 4 - line; /* enforce next block processing */ if (mode >= 10 || (cell->mv_ptr || !skip_flag)) { if (mode <= 4) { RLE_LINES_COPY; } else if (mode == 10 && !cell->mv_ptr) { RLE_LINES_COPY_M10; } } break; case RLE_ESC_F9: skip_flag = 1; rle_blocks = 1; /* FALLTHROUGH */ case RLE_ESC_FA: if (line) return IV3_BAD_RLE; num_lines = 4; /* enforce next block processing */ if (cell->mv_ptr) { if (mode <= 4) { RLE_LINES_COPY; } else if (mode == 10 && !cell->mv_ptr) { RLE_LINES_COPY_M10; } } break; default: return IV3_UNSUPPORTED; } } line += num_lines; ref += row_offset * (num_lines << v_zoom); dst += row_offset * (num_lines << v_zoom); } } /* move to next horizontal block */ block += 4 << h_zoom; ref_block += 4 << h_zoom; } /* move to next line of blocks */ ref_block += blk_row_offset; block += blk_row_offset; } return IV3_NOERR; } | 18,385 |
1 | static void superh_cpu_realizefn(DeviceState *dev, Error **errp) { SuperHCPU *cpu = SUPERH_CPU(dev); SuperHCPUClass *scc = SUPERH_CPU_GET_CLASS(dev); cpu_reset(CPU(cpu)); scc->parent_realize(dev, errp); } | 18,386 |
1 | static void http_log(char *fmt, ...) { va_list ap; va_start(ap, fmt); if (logfile) vfprintf(logfile, fmt, ap); va_end(ap); } | 18,387 |
1 | void HELPER(access_check_cp_reg)(CPUARMState *env, void *rip) { const ARMCPRegInfo *ri = rip; switch (ri->accessfn(env, ri)) { case CP_ACCESS_OK: return; case CP_ACCESS_TRAP: case CP_ACCESS_TRAP_UNCATEGORIZED: /* These cases will eventually need to generate different * syndrome information. */ break; default: g_assert_not_reached(); } raise_exception(env, EXCP_UDEF); } | 18,388 |
0 | static void skip_block (uint8_t *current, uint8_t *previous, int pitch, int x, int y) { uint8_t *src; uint8_t *dst; int i; src = &previous[x + y*pitch]; dst = current; for (i=0; i < 16; i++) { memcpy (dst, src, 16); src += pitch; dst += pitch; } } | 18,389 |
1 | static int mlp_parse(AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size) { MLPParseContext *mp = s->priv_data; int sync_present; uint8_t parity_bits; int next; int i, p = 0; *poutbuf_size = 0; if (buf_size == 0) return 0; if (!mp->in_sync) { // Not in sync - find a major sync header for (i = 0; i < buf_size; i++) { mp->pc.state = (mp->pc.state << 8) | buf[i]; if ((mp->pc.state & 0xfffffffe) == 0xf8726fba && // ignore if we do not have the data for the start of header mp->pc.index + i >= 7) { mp->in_sync = 1; mp->bytes_left = 0; break; } } if (!mp->in_sync) { ff_combine_frame(&mp->pc, END_NOT_FOUND, &buf, &buf_size); return buf_size; } ff_combine_frame(&mp->pc, i - 7, &buf, &buf_size); return i - 7; } if (mp->bytes_left == 0) { // Find length of this packet /* Copy overread bytes from last frame into buffer. */ for(; mp->pc.overread>0; mp->pc.overread--) { mp->pc.buffer[mp->pc.index++]= mp->pc.buffer[mp->pc.overread_index++]; } if (mp->pc.index + buf_size < 2) { ff_combine_frame(&mp->pc, END_NOT_FOUND, &buf, &buf_size); return buf_size; } mp->bytes_left = ((mp->pc.index > 0 ? mp->pc.buffer[0] : buf[0]) << 8) | (mp->pc.index > 1 ? mp->pc.buffer[1] : buf[1-mp->pc.index]); mp->bytes_left = (mp->bytes_left & 0xfff) * 2; if (mp->bytes_left <= 0) { // prevent infinite loop goto lost_sync; } mp->bytes_left -= mp->pc.index; } next = (mp->bytes_left > buf_size) ? END_NOT_FOUND : mp->bytes_left; if (ff_combine_frame(&mp->pc, next, &buf, &buf_size) < 0) { mp->bytes_left -= buf_size; return buf_size; } mp->bytes_left = 0; sync_present = (AV_RB32(buf + 4) & 0xfffffffe) == 0xf8726fba; if (!sync_present) { /* The first nibble of a frame is a parity check of the 4-byte * access unit header and all the 2- or 4-byte substream headers. */ // Only check when this isn't a sync frame - syncs have a checksum. parity_bits = 0; for (i = -1; i < mp->num_substreams; i++) { parity_bits ^= buf[p++]; parity_bits ^= buf[p++]; if (i < 0 || buf[p-2] & 0x80) { parity_bits ^= buf[p++]; parity_bits ^= buf[p++]; } } if ((((parity_bits >> 4) ^ parity_bits) & 0xF) != 0xF) { av_log(avctx, AV_LOG_INFO, "mlpparse: Parity check failed.\n"); goto lost_sync; } } else { GetBitContext gb; MLPHeaderInfo mh; init_get_bits(&gb, buf + 4, (buf_size - 4) << 3); if (ff_mlp_read_major_sync(avctx, &mh, &gb) < 0) goto lost_sync; avctx->bits_per_raw_sample = mh.group1_bits; if (avctx->bits_per_raw_sample > 16) avctx->sample_fmt = AV_SAMPLE_FMT_S32; else avctx->sample_fmt = AV_SAMPLE_FMT_S16; avctx->sample_rate = mh.group1_samplerate; s->duration = mh.access_unit_size; if (mh.stream_type == 0xbb) { /* MLP stream */ avctx->channels = mlp_channels[mh.channels_mlp]; avctx->channel_layout = ff_mlp_layout[mh.channels_mlp]; } else { /* mh.stream_type == 0xba */ /* TrueHD stream */ if (mh.channels_thd_stream2) { avctx->channels = truehd_channels(mh.channels_thd_stream2); avctx->channel_layout = ff_truehd_layout(mh.channels_thd_stream2); } else { avctx->channels = truehd_channels(mh.channels_thd_stream1); avctx->channel_layout = ff_truehd_layout(mh.channels_thd_stream1); } } } if (!mh.is_vbr) /* Stream is CBR */ avctx->bit_rate = mh.peak_bitrate; mp->num_substreams = mh.num_substreams; } *poutbuf = buf; *poutbuf_size = buf_size; return next; lost_sync: mp->in_sync = 0; return 1; } | 18,391 |
1 | void ppc_translate_init(void) { int i; char* p; size_t cpu_reg_names_size; static int done_init = 0; if (done_init) return; cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); p = cpu_reg_names; cpu_reg_names_size = sizeof(cpu_reg_names); for (i = 0; i < 8; i++) { snprintf(p, cpu_reg_names_size, "crf%d", i); cpu_crf[i] = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUState, crf[i]), p); p += 5; cpu_reg_names_size -= 5; } for (i = 0; i < 32; i++) { snprintf(p, cpu_reg_names_size, "r%d", i); cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, gpr[i]), p); p += (i < 10) ? 3 : 4; cpu_reg_names_size -= (i < 10) ? 3 : 4; #if !defined(TARGET_PPC64) snprintf(p, cpu_reg_names_size, "r%dH", i); cpu_gprh[i] = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUState, gprh[i]), p); p += (i < 10) ? 4 : 5; cpu_reg_names_size -= (i < 10) ? 4 : 5; snprintf(p, cpu_reg_names_size, "fp%d", i); cpu_fpr[i] = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, fpr[i]), p); p += (i < 10) ? 4 : 5; cpu_reg_names_size -= (i < 10) ? 4 : 5; snprintf(p, cpu_reg_names_size, "avr%dH", i); #ifdef HOST_WORDS_BIGENDIAN cpu_avrh[i] = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, avr[i].u64[0]), p); #else cpu_avrh[i] = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, avr[i].u64[1]), p); p += (i < 10) ? 6 : 7; cpu_reg_names_size -= (i < 10) ? 6 : 7; snprintf(p, cpu_reg_names_size, "avr%dL", i); #ifdef HOST_WORDS_BIGENDIAN cpu_avrl[i] = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, avr[i].u64[1]), p); #else cpu_avrl[i] = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, avr[i].u64[0]), p); p += (i < 10) ? 6 : 7; cpu_reg_names_size -= (i < 10) ? 6 : 7; } cpu_nip = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, nip), "nip"); cpu_msr = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, msr), "msr"); cpu_ctr = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, ctr), "ctr"); cpu_lr = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, lr), "lr"); cpu_xer = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, xer), "xer"); cpu_reserve = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, reserve_addr), "reserve_addr"); cpu_fpscr = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUState, fpscr), "fpscr"); cpu_access_type = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUState, access_type), "access_type"); /* register helpers */ #define GEN_HELPER 2 #include "helper.h" done_init = 1; } | 18,392 |
1 | void qusb_pci_init_one(QPCIBus *pcibus, struct qhc *hc, uint32_t devfn, int bar) { hc->dev = qpci_device_find(pcibus, devfn); g_assert(hc->dev != NULL); qpci_device_enable(hc->dev); hc->base = qpci_iomap(hc->dev, bar, NULL); g_assert(hc->base != NULL); } | 18,393 |
1 | static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track) { const char *hdlr, *descr = NULL, *hdlr_type = NULL; int64_t pos = avio_tell(pb); if (!track) { /* no media --> data handler */ hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0"; if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { hdlr_type = "vide"; descr = "VideoHandler"; } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { hdlr_type = "soun"; descr = "SoundHandler"; } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl"; else hdlr_type = "text"; descr = "SubtitleHandler"; } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) { hdlr_type = "hint"; descr = "HintHandler"; } } avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "hdlr"); avio_wb32(pb, 0); /* Version & flags */ avio_write(pb, hdlr, 4); /* handler */ ffio_wfourcc(pb, hdlr_type); /* handler type */ avio_wb32(pb ,0); /* reserved */ avio_wb32(pb ,0); /* reserved */ avio_wb32(pb ,0); /* reserved */ if (!track || track->mode == MODE_MOV) avio_w8(pb, strlen(descr)); /* pascal string */ avio_write(pb, descr, strlen(descr)); /* handler description */ if (track && track->mode != MODE_MOV) avio_w8(pb, 0); /* c string */ return update_size(pb, pos); } | 18,394 |
1 | static coroutine_fn void nbd_co_client_start(void *opaque) { NBDClientNewData *data = opaque; NBDClient *client = data->client; NBDExport *exp = client->exp; if (exp) { nbd_export_get(exp); QTAILQ_INSERT_TAIL(&exp->clients, client, next); } qemu_co_mutex_init(&client->send_lock); if (nbd_negotiate(data)) { client_close(client); goto out; } nbd_client_receive_next_request(client); out: g_free(data); } | 18,395 |
1 | static inline int vfp_exceptbits_from_host(int host_bits) { int target_bits = 0; if (host_bits & float_flag_invalid) target_bits |= 1; if (host_bits & float_flag_divbyzero) target_bits |= 2; if (host_bits & float_flag_overflow) target_bits |= 4; if (host_bits & float_flag_underflow) target_bits |= 8; if (host_bits & float_flag_inexact) target_bits |= 0x10; if (host_bits & float_flag_input_denormal) target_bits |= 0x80; return target_bits; } | 18,396 |
1 | const char *memory_region_name(const MemoryRegion *mr) { return object_get_canonical_path_component(OBJECT(mr)); } | 18,397 |
1 | static int dnxhd_decode_macroblock(const DNXHDContext *ctx, RowContext *row, AVFrame *frame, int x, int y) { int shift1 = ctx->bit_depth == 10; int dct_linesize_luma = frame->linesize[0]; int dct_linesize_chroma = frame->linesize[1]; uint8_t *dest_y, *dest_u, *dest_v; int dct_y_offset, dct_x_offset; int qscale, i, act; int interlaced_mb = 0; if (ctx->mbaff) { interlaced_mb = get_bits1(&row->gb); qscale = get_bits(&row->gb, 10); } else qscale = get_bits(&row->gb, 11); act = get_bits1(&row->gb); if (act) { static int warned = 0; if (!warned) { warned = 1; av_log(ctx->avctx, AV_LOG_ERROR, "Unsupported adaptive color transform, patch welcome.\n"); } } if (qscale != row->last_qscale) { for (i = 0; i < 64; i++) { row->luma_scale[i] = qscale * ctx->cid_table->luma_weight[i]; row->chroma_scale[i] = qscale * ctx->cid_table->chroma_weight[i]; } row->last_qscale = qscale; } for (i = 0; i < 8 + 4 * ctx->is_444; i++) { ctx->decode_dct_block(ctx, row, i); } if (frame->interlaced_frame) { dct_linesize_luma <<= 1; dct_linesize_chroma <<= 1; } dest_y = frame->data[0] + ((y * dct_linesize_luma) << 4) + (x << (4 + shift1)); dest_u = frame->data[1] + ((y * dct_linesize_chroma) << 4) + (x << (3 + shift1 + ctx->is_444)); dest_v = frame->data[2] + ((y * dct_linesize_chroma) << 4) + (x << (3 + shift1 + ctx->is_444)); if (frame->interlaced_frame && ctx->cur_field) { dest_y += frame->linesize[0]; dest_u += frame->linesize[1]; dest_v += frame->linesize[2]; } if (interlaced_mb) { dct_linesize_luma <<= 1; dct_linesize_chroma <<= 1; } dct_y_offset = interlaced_mb ? frame->linesize[0] : (dct_linesize_luma << 3); dct_x_offset = 8 << shift1; if (!ctx->is_444) { ctx->idsp.idct_put(dest_y, dct_linesize_luma, row->blocks[0]); ctx->idsp.idct_put(dest_y + dct_x_offset, dct_linesize_luma, row->blocks[1]); ctx->idsp.idct_put(dest_y + dct_y_offset, dct_linesize_luma, row->blocks[4]); ctx->idsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, row->blocks[5]); if (!(ctx->avctx->flags & AV_CODEC_FLAG_GRAY)) { dct_y_offset = interlaced_mb ? frame->linesize[1] : (dct_linesize_chroma << 3); ctx->idsp.idct_put(dest_u, dct_linesize_chroma, row->blocks[2]); ctx->idsp.idct_put(dest_v, dct_linesize_chroma, row->blocks[3]); ctx->idsp.idct_put(dest_u + dct_y_offset, dct_linesize_chroma, row->blocks[6]); ctx->idsp.idct_put(dest_v + dct_y_offset, dct_linesize_chroma, row->blocks[7]); } } else { ctx->idsp.idct_put(dest_y, dct_linesize_luma, row->blocks[0]); ctx->idsp.idct_put(dest_y + dct_x_offset, dct_linesize_luma, row->blocks[1]); ctx->idsp.idct_put(dest_y + dct_y_offset, dct_linesize_luma, row->blocks[6]); ctx->idsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, row->blocks[7]); if (!(ctx->avctx->flags & AV_CODEC_FLAG_GRAY)) { dct_y_offset = interlaced_mb ? frame->linesize[1] : (dct_linesize_chroma << 3); ctx->idsp.idct_put(dest_u, dct_linesize_chroma, row->blocks[2]); ctx->idsp.idct_put(dest_u + dct_x_offset, dct_linesize_chroma, row->blocks[3]); ctx->idsp.idct_put(dest_u + dct_y_offset, dct_linesize_chroma, row->blocks[8]); ctx->idsp.idct_put(dest_u + dct_y_offset + dct_x_offset, dct_linesize_chroma, row->blocks[9]); ctx->idsp.idct_put(dest_v, dct_linesize_chroma, row->blocks[4]); ctx->idsp.idct_put(dest_v + dct_x_offset, dct_linesize_chroma, row->blocks[5]); ctx->idsp.idct_put(dest_v + dct_y_offset, dct_linesize_chroma, row->blocks[10]); ctx->idsp.idct_put(dest_v + dct_y_offset + dct_x_offset, dct_linesize_chroma, row->blocks[11]); } } return 0; } | 18,398 |
1 | static void wmv2_idct_col(short * b) { int s1,s2; int a0,a1,a2,a3,a4,a5,a6,a7; /*step 1, with extended precision*/ a1 = (W1*b[8*1]+W7*b[8*7] + 4)>>3; a7 = (W7*b[8*1]-W1*b[8*7] + 4)>>3; a5 = (W5*b[8*5]+W3*b[8*3] + 4)>>3; a3 = (W3*b[8*5]-W5*b[8*3] + 4)>>3; a2 = (W2*b[8*2]+W6*b[8*6] + 4)>>3; a6 = (W6*b[8*2]-W2*b[8*6] + 4)>>3; a0 = (W0*b[8*0]+W0*b[8*4] )>>3; a4 = (W0*b[8*0]-W0*b[8*4] )>>3; /*step 2*/ s1 = (181*(a1-a5+a7-a3)+128)>>8; s2 = (181*(a1-a5-a7+a3)+128)>>8; /*step 3*/ b[8*0] = (a0+a2+a1+a5 + (1<<13))>>14; b[8*1] = (a4+a6 +s1 + (1<<13))>>14; b[8*2] = (a4-a6 +s2 + (1<<13))>>14; b[8*3] = (a0-a2+a7+a3 + (1<<13))>>14; b[8*4] = (a0-a2-a7-a3 + (1<<13))>>14; b[8*5] = (a4-a6 -s2 + (1<<13))>>14; b[8*6] = (a4+a6 -s1 + (1<<13))>>14; b[8*7] = (a0+a2-a1-a5 + (1<<13))>>14; } | 18,399 |
1 | static void bonito_writel(void *opaque, hwaddr addr, uint64_t val, unsigned size) { PCIBonitoState *s = opaque; uint32_t saddr; int reset = 0; saddr = (addr - BONITO_REGBASE) >> 2; DPRINTF("bonito_writel "TARGET_FMT_plx" val %x saddr %x\n", addr, val, saddr); switch (saddr) { case BONITO_BONPONCFG: case BONITO_IODEVCFG: case BONITO_SDCFG: case BONITO_PCIMAP: case BONITO_PCIMEMBASECFG: case BONITO_PCIMAP_CFG: case BONITO_GPIODATA: case BONITO_GPIOIE: case BONITO_INTEDGE: case BONITO_INTSTEER: case BONITO_INTPOL: case BONITO_PCIMAIL0: case BONITO_PCIMAIL1: case BONITO_PCIMAIL2: case BONITO_PCIMAIL3: case BONITO_PCICACHECTRL: case BONITO_PCICACHETAG: case BONITO_PCIBADADDR: case BONITO_PCIMSTAT: case BONITO_TIMECFG: case BONITO_CPUCFG: case BONITO_DQCFG: case BONITO_MEMSIZE: s->regs[saddr] = val; break; case BONITO_BONGENCFG: if (!(s->regs[saddr] & 0x04) && (val & 0x04)) { reset = 1; /* bit 2 jump from 0 to 1 cause reset */ } s->regs[saddr] = val; if (reset) { qemu_system_reset_request(); } break; case BONITO_INTENSET: s->regs[BONITO_INTENSET] = val; s->regs[BONITO_INTEN] |= val; break; case BONITO_INTENCLR: s->regs[BONITO_INTENCLR] = val; s->regs[BONITO_INTEN] &= ~val; break; case BONITO_INTEN: case BONITO_INTISR: DPRINTF("write to readonly bonito register %x\n", saddr); break; default: DPRINTF("write to unknown bonito register %x\n", saddr); break; } } | 18,400 |
1 | static int init_resampler(AVCodecContext *input_codec_context, AVCodecContext *output_codec_context, SwrContext **resample_context) { /** * Only initialize the resampler if it is necessary, i.e., * if and only if the sample formats differ. */ if (input_codec_context->sample_fmt != output_codec_context->sample_fmt || input_codec_context->channels != output_codec_context->channels) { int error; /** * Create a resampler context for the conversion. * Set the conversion parameters. * Default channel layouts based on the number of channels * are assumed for simplicity (they are sometimes not detected * properly by the demuxer and/or decoder). */ *resample_context = swr_alloc_set_opts(NULL, av_get_default_channel_layout(output_codec_context->channels), output_codec_context->sample_fmt, output_codec_context->sample_rate, av_get_default_channel_layout(input_codec_context->channels), input_codec_context->sample_fmt, input_codec_context->sample_rate, 0, NULL); if (!*resample_context) { fprintf(stderr, "Could not allocate resample context\n"); return AVERROR(ENOMEM); } /** * Perform a sanity check so that the number of converted samples is * not greater than the number of samples to be converted. * If the sample rates differ, this case has to be handled differently */ av_assert0(output_codec_context->sample_rate == input_codec_context->sample_rate); /** Open the resampler with the specified parameters. */ if ((error = swr_init(*resample_context)) < 0) { fprintf(stderr, "Could not open resample context\n"); swr_free(resample_context); return error; } } return 0; } | 18,401 |
1 | static int qemu_rdma_dest_init(RDMAContext *rdma, Error **errp) { int ret = -EINVAL, idx; struct rdma_cm_id *listen_id; char ip[40] = "unknown"; struct addrinfo *res; char port_str[16]; for (idx = 0; idx < RDMA_WRID_MAX; idx++) { rdma->wr_data[idx].control_len = 0; rdma->wr_data[idx].control_curr = NULL; } if (rdma->host == NULL) { ERROR(errp, "RDMA host is not set!"); rdma->error_state = -EINVAL; return -1; } /* create CM channel */ rdma->channel = rdma_create_event_channel(); if (!rdma->channel) { ERROR(errp, "could not create rdma event channel"); rdma->error_state = -EINVAL; return -1; } /* create CM id */ ret = rdma_create_id(rdma->channel, &listen_id, NULL, RDMA_PS_TCP); if (ret) { ERROR(errp, "could not create cm_id!"); goto err_dest_init_create_listen_id; } snprintf(port_str, 16, "%d", rdma->port); port_str[15] = '\0'; if (rdma->host && strcmp("", rdma->host)) { struct addrinfo *e; ret = getaddrinfo(rdma->host, port_str, NULL, &res); if (ret < 0) { ERROR(errp, "could not getaddrinfo address %s", rdma->host); goto err_dest_init_bind_addr; } for (e = res; e != NULL; e = e->ai_next) { inet_ntop(e->ai_family, &((struct sockaddr_in *) e->ai_addr)->sin_addr, ip, sizeof ip); DPRINTF("Trying %s => %s\n", rdma->host, ip); ret = rdma_bind_addr(listen_id, e->ai_addr); if (!ret) { goto listen; } } ERROR(errp, "Error: could not rdma_bind_addr!"); goto err_dest_init_bind_addr; } else { ERROR(errp, "migration host and port not specified!"); ret = -EINVAL; goto err_dest_init_bind_addr; } listen: rdma->listen_id = listen_id; qemu_rdma_dump_gid("dest_init", listen_id); return 0; err_dest_init_bind_addr: rdma_destroy_id(listen_id); err_dest_init_create_listen_id: rdma_destroy_event_channel(rdma->channel); rdma->channel = NULL; rdma->error_state = ret; return ret; } | 18,403 |
1 | static int msmpeg4v12_decode_mb(MpegEncContext *s, int16_t block[6][64]) { int cbp, code, i; uint32_t * const mb_type_ptr = &s->current_picture.mb_type[s->mb_x + s->mb_y*s->mb_stride]; if (s->pict_type == AV_PICTURE_TYPE_P) { if (s->use_skip_mb_code) { if (get_bits1(&s->gb)) { /* skip mb */ s->mb_intra = 0; for(i=0;i<6;i++) s->block_last_index[i] = -1; s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_16X16; s->mv[0][0][0] = 0; s->mv[0][0][1] = 0; s->mb_skipped = 1; *mb_type_ptr = MB_TYPE_SKIP | MB_TYPE_L0 | MB_TYPE_16x16; return 0; } } if(s->msmpeg4_version==2) code = get_vlc2(&s->gb, v2_mb_type_vlc.table, V2_MB_TYPE_VLC_BITS, 1); else code = get_vlc2(&s->gb, ff_h263_inter_MCBPC_vlc.table, INTER_MCBPC_VLC_BITS, 2); if(code<0 || code>7){ av_log(s->avctx, AV_LOG_ERROR, "cbpc %d invalid at %d %d\n", code, s->mb_x, s->mb_y); return -1; } s->mb_intra = code >>2; cbp = code & 0x3; } else { s->mb_intra = 1; if(s->msmpeg4_version==2) cbp= get_vlc2(&s->gb, v2_intra_cbpc_vlc.table, V2_INTRA_CBPC_VLC_BITS, 1); else cbp= get_vlc2(&s->gb, ff_h263_intra_MCBPC_vlc.table, INTRA_MCBPC_VLC_BITS, 1); if(cbp<0 || cbp>3){ av_log(s->avctx, AV_LOG_ERROR, "cbpc %d invalid at %d %d\n", cbp, s->mb_x, s->mb_y); return -1; } } if (!s->mb_intra) { int mx, my, cbpy; cbpy= get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1); if(cbpy<0){ av_log(s->avctx, AV_LOG_ERROR, "cbpy %d invalid at %d %d\n", cbp, s->mb_x, s->mb_y); return -1; } cbp|= cbpy<<2; if(s->msmpeg4_version==1 || (cbp&3) != 3) cbp^= 0x3C; ff_h263_pred_motion(s, 0, 0, &mx, &my); mx= msmpeg4v2_decode_motion(s, mx, 1); my= msmpeg4v2_decode_motion(s, my, 1); s->mv_dir = MV_DIR_FORWARD; s->mv_type = MV_TYPE_16X16; s->mv[0][0][0] = mx; s->mv[0][0][1] = my; *mb_type_ptr = MB_TYPE_L0 | MB_TYPE_16x16; } else { if(s->msmpeg4_version==2){ s->ac_pred = get_bits1(&s->gb); cbp|= get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1)<<2; //FIXME check errors } else{ s->ac_pred = 0; cbp|= get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1)<<2; //FIXME check errors if(s->pict_type==AV_PICTURE_TYPE_P) cbp^=0x3C; } *mb_type_ptr = MB_TYPE_INTRA; } s->bdsp.clear_blocks(s->block[0]); for (i = 0; i < 6; i++) { if (ff_msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0) { av_log(s->avctx, AV_LOG_ERROR, "\nerror while decoding block: %d x %d (%d)\n", s->mb_x, s->mb_y, i); return -1; } } return 0; } | 18,404 |
1 | static int decode_tsw1(GetByteContext *gb, uint8_t *frame, int width, int height) { const uint8_t *frame_start = frame; const uint8_t *frame_end = frame + width * height; int mask = 0x10000, bitbuf = 0; int v, count, segments; unsigned offset; segments = bytestream2_get_le32(gb); offset = bytestream2_get_le32(gb); if (segments == 0 && offset == frame_end - frame) return 0; // skip frame if (frame_end - frame <= offset) return AVERROR_INVALIDDATA; frame += offset; while (segments--) { if (bytestream2_get_bytes_left(gb) < 2) return AVERROR_INVALIDDATA; if (mask == 0x10000) { bitbuf = bytestream2_get_le16u(gb); mask = 1; } if (frame_end - frame < 2) return AVERROR_INVALIDDATA; if (bitbuf & mask) { v = bytestream2_get_le16(gb); offset = (v & 0x1FFF) << 1; count = ((v >> 13) + 2) << 1; if (frame - frame_start < offset || frame_end - frame < count) return AVERROR_INVALIDDATA; av_memcpy_backptr(frame, offset, count); frame += count; } else { *frame++ = bytestream2_get_byte(gb); *frame++ = bytestream2_get_byte(gb); } mask <<= 1; } return 0; } | 18,406 |
1 | static int qpel_motion_search(MpegEncContext * s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h) { MotionEstContext * const c= &s->me; const int mx = *mx_ptr; const int my = *my_ptr; const int penalty_factor= c->sub_penalty_factor; const int map_generation= c->map_generation; const int subpel_quality= c->avctx->me_subpel_quality; uint32_t *map= c->map; me_cmp_func cmpf, chroma_cmpf; me_cmp_func cmp_sub, chroma_cmp_sub; LOAD_COMMON int flags= c->sub_flags; cmpf= s->dsp.me_cmp[size]; chroma_cmpf= s->dsp.me_cmp[size+1]; //factorize FIXME //FIXME factorize cmp_sub= s->dsp.me_sub_cmp[size]; chroma_cmp_sub= s->dsp.me_sub_cmp[size+1]; if(c->skip){ //FIXME somehow move up (benchmark) *mx_ptr = 0; *my_ptr = 0; return dmin; } if(c->avctx->me_cmp != c->avctx->me_sub_cmp){ dmin= cmp(s, mx, my, 0, 0, size, h, ref_index, src_index, cmp_sub, chroma_cmp_sub, flags); if(mx || my || size>0) dmin += (mv_penalty[4*mx - pred_x] + mv_penalty[4*my - pred_y])*penalty_factor; } if (mx > xmin && mx < xmax && my > ymin && my < ymax) { int bx=4*mx, by=4*my; int d= dmin; int i, nx, ny; const int index= (my<<ME_MAP_SHIFT) + mx; const int t= score_map[(index-(1<<ME_MAP_SHIFT) )&(ME_MAP_SIZE-1)]; const int l= score_map[(index- 1 )&(ME_MAP_SIZE-1)]; const int r= score_map[(index+ 1 )&(ME_MAP_SIZE-1)]; const int b= score_map[(index+(1<<ME_MAP_SHIFT) )&(ME_MAP_SIZE-1)]; const int c= score_map[(index )&(ME_MAP_SIZE-1)]; int best[8]; int best_pos[8][2]; memset(best, 64, sizeof(int)*8); #if 1 if(s->me.dia_size>=2){ const int tl= score_map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)]; const int bl= score_map[(index+(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)]; const int tr= score_map[(index-(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)]; const int br= score_map[(index+(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)]; for(ny= -3; ny <= 3; ny++){ for(nx= -3; nx <= 3; nx++){ const int t2= nx*nx*(tr + tl - 2*t) + 4*nx*(tr-tl) + 32*t; const int c2= nx*nx*( r + l - 2*c) + 4*nx*( r- l) + 32*c; const int b2= nx*nx*(br + bl - 2*b) + 4*nx*(br-bl) + 32*b; int score= ny*ny*(b2 + t2 - 2*c2) + 4*ny*(b2 - t2) + 32*c2; int i; if((nx&3)==0 && (ny&3)==0) continue; score += 1024*(mv_penalty[4*mx + nx - pred_x] + mv_penalty[4*my + ny - pred_y])*penalty_factor; // if(nx&1) score-=1024*c->penalty_factor; // if(ny&1) score-=1024*c->penalty_factor; for(i=0; i<8; i++){ if(score < best[i]){ memmove(&best[i+1], &best[i], sizeof(int)*(7-i)); memmove(&best_pos[i+1][0], &best_pos[i][0], sizeof(int)*2*(7-i)); best[i]= score; best_pos[i][0]= nx + 4*mx; best_pos[i][1]= ny + 4*my; break; } } } } }else{ int tl; const int cx = 4*(r - l); const int cx2= r + l - 2*c; const int cy = 4*(b - t); const int cy2= b + t - 2*c; int cxy; if(map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)] == (my<<ME_MAP_MV_BITS) + mx + map_generation && 0){ //FIXME tl= score_map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)]; }else{ tl= cmp(s, mx-1, my-1, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);//FIXME wrong if chroma me is different } cxy= 2*tl + (cx + cy)/4 - (cx2 + cy2) - 2*c; assert(16*cx2 + 4*cx + 32*c == 32*r); assert(16*cx2 - 4*cx + 32*c == 32*l); assert(16*cy2 + 4*cy + 32*c == 32*b); assert(16*cy2 - 4*cy + 32*c == 32*t); assert(16*cxy + 16*cy2 + 16*cx2 - 4*cy - 4*cx + 32*c == 32*tl); for(ny= -3; ny <= 3; ny++){ for(nx= -3; nx <= 3; nx++){ int score= ny*nx*cxy + nx*nx*cx2 + ny*ny*cy2 + nx*cx + ny*cy + 32*c; //FIXME factor int i; if((nx&3)==0 && (ny&3)==0) continue; score += 32*(mv_penalty[4*mx + nx - pred_x] + mv_penalty[4*my + ny - pred_y])*penalty_factor; // if(nx&1) score-=32*c->penalty_factor; // if(ny&1) score-=32*c->penalty_factor; for(i=0; i<8; i++){ if(score < best[i]){ memmove(&best[i+1], &best[i], sizeof(int)*(7-i)); memmove(&best_pos[i+1][0], &best_pos[i][0], sizeof(int)*2*(7-i)); best[i]= score; best_pos[i][0]= nx + 4*mx; best_pos[i][1]= ny + 4*my; break; } } } } } for(i=0; i<subpel_quality; i++){ nx= best_pos[i][0]; ny= best_pos[i][1]; CHECK_QUARTER_MV(nx&3, ny&3, nx>>2, ny>>2) } #if 0 const int tl= score_map[(index-(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)]; const int bl= score_map[(index+(1<<ME_MAP_SHIFT)-1)&(ME_MAP_SIZE-1)]; const int tr= score_map[(index-(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)]; const int br= score_map[(index+(1<<ME_MAP_SHIFT)+1)&(ME_MAP_SIZE-1)]; // if(l < r && l < t && l < b && l < tl && l < bl && l < tr && l < br && bl < tl){ if(tl<br){ // nx= FFMAX(4*mx - bx, bx - 4*mx); // ny= FFMAX(4*my - by, by - 4*my); static int stats[7][7], count; count++; stats[4*mx - bx + 3][4*my - by + 3]++; if(256*256*256*64 % count ==0){ for(i=0; i<49; i++){ if((i%7)==0) printf("\n"); printf("%6d ", stats[0][i]); } printf("\n"); } } #endif #else CHECK_QUARTER_MV(2, 2, mx-1, my-1) CHECK_QUARTER_MV(0, 2, mx , my-1) CHECK_QUARTER_MV(2, 2, mx , my-1) CHECK_QUARTER_MV(2, 0, mx , my ) CHECK_QUARTER_MV(2, 2, mx , my ) CHECK_QUARTER_MV(0, 2, mx , my ) CHECK_QUARTER_MV(2, 2, mx-1, my ) CHECK_QUARTER_MV(2, 0, mx-1, my ) nx= bx; ny= by; for(i=0; i<8; i++){ int ox[8]= {0, 1, 1, 1, 0,-1,-1,-1}; int oy[8]= {1, 1, 0,-1,-1,-1, 0, 1}; CHECK_QUARTER_MV((nx + ox[i])&3, (ny + oy[i])&3, (nx + ox[i])>>2, (ny + oy[i])>>2) } #endif #if 0 //outer ring CHECK_QUARTER_MV(1, 3, mx-1, my-1) CHECK_QUARTER_MV(1, 2, mx-1, my-1) CHECK_QUARTER_MV(1, 1, mx-1, my-1) CHECK_QUARTER_MV(2, 1, mx-1, my-1) CHECK_QUARTER_MV(3, 1, mx-1, my-1) CHECK_QUARTER_MV(0, 1, mx , my-1) CHECK_QUARTER_MV(1, 1, mx , my-1) CHECK_QUARTER_MV(2, 1, mx , my-1) CHECK_QUARTER_MV(3, 1, mx , my-1) CHECK_QUARTER_MV(3, 2, mx , my-1) CHECK_QUARTER_MV(3, 3, mx , my-1) CHECK_QUARTER_MV(3, 0, mx , my ) CHECK_QUARTER_MV(3, 1, mx , my ) CHECK_QUARTER_MV(3, 2, mx , my ) CHECK_QUARTER_MV(3, 3, mx , my ) CHECK_QUARTER_MV(2, 3, mx , my ) CHECK_QUARTER_MV(1, 3, mx , my ) CHECK_QUARTER_MV(0, 3, mx , my ) CHECK_QUARTER_MV(3, 3, mx-1, my ) CHECK_QUARTER_MV(2, 3, mx-1, my ) CHECK_QUARTER_MV(1, 3, mx-1, my ) CHECK_QUARTER_MV(1, 2, mx-1, my ) CHECK_QUARTER_MV(1, 1, mx-1, my ) CHECK_QUARTER_MV(1, 0, mx-1, my ) #endif assert(bx >= xmin*4 && bx <= xmax*4 && by >= ymin*4 && by <= ymax*4); *mx_ptr = bx; *my_ptr = by; }else{ *mx_ptr =4*mx; *my_ptr =4*my; } return dmin; } | 18,407 |
1 | void migrate_fd_error(MigrationState *s) { trace_migrate_fd_error(); assert(s->to_dst_file == NULL); migrate_set_state(&s->state, MIGRATION_STATUS_SETUP, MIGRATION_STATUS_FAILED); notifier_list_notify(&migration_state_notifiers, s); } | 18,408 |
1 | static uint32_t rtl8139_TxStatus_read(RTL8139State *s, uint8_t addr, int size) { uint32_t reg = (addr - TxStatus0) / 4; uint32_t offset = addr & 0x3; uint32_t ret = 0; if (addr & (size - 1)) { DPRINTF("not implemented read for TxStatus addr=0x%x size=0x%x\n", addr, size); return ret; } switch (size) { case 1: /* fall through */ case 2: /* fall through */ case 4: ret = (s->TxStatus[reg] >> offset * 8) & ((1 << (size * 8)) - 1); DPRINTF("TxStatus[%d] read addr=0x%x size=0x%x val=0x%08x\n", reg, addr, size, ret); break; default: DPRINTF("unsupported size 0x%x of TxStatus reading\n", size); break; } return ret; } | 18,410 |
1 | static int decode_gop_header(IVI45DecContext *ctx, AVCodecContext *avctx) { int result, i, p, tile_size, pic_size_indx, mb_size, blk_size, is_scalable; int quant_mat, blk_size_changed = 0; IVIBandDesc *band, *band1, *band2; IVIPicConfig pic_conf; ctx->gop_flags = get_bits(&ctx->gb, 8); ctx->gop_hdr_size = (ctx->gop_flags & 1) ? get_bits(&ctx->gb, 16) : 0; if (ctx->gop_flags & IVI5_IS_PROTECTED) ctx->lock_word = get_bits_long(&ctx->gb, 32); tile_size = (ctx->gop_flags & 0x40) ? 64 << get_bits(&ctx->gb, 2) : 0; if (tile_size > 256) { av_log(avctx, AV_LOG_ERROR, "Invalid tile size: %d\n", tile_size); return AVERROR_INVALIDDATA; } /* decode number of wavelet bands */ /* num_levels * 3 + 1 */ pic_conf.luma_bands = get_bits(&ctx->gb, 2) * 3 + 1; pic_conf.chroma_bands = get_bits1(&ctx->gb) * 3 + 1; is_scalable = pic_conf.luma_bands != 1 || pic_conf.chroma_bands != 1; if (is_scalable && (pic_conf.luma_bands != 4 || pic_conf.chroma_bands != 1)) { av_log(avctx, AV_LOG_ERROR, "Scalability: unsupported subdivision! Luma bands: %d, chroma bands: %d\n", pic_conf.luma_bands, pic_conf.chroma_bands); return AVERROR_INVALIDDATA; } pic_size_indx = get_bits(&ctx->gb, 4); if (pic_size_indx == IVI5_PIC_SIZE_ESC) { pic_conf.pic_height = get_bits(&ctx->gb, 13); pic_conf.pic_width = get_bits(&ctx->gb, 13); } else { pic_conf.pic_height = ivi5_common_pic_sizes[pic_size_indx * 2 + 1] << 2; pic_conf.pic_width = ivi5_common_pic_sizes[pic_size_indx * 2 ] << 2; } if (ctx->gop_flags & 2) { avpriv_report_missing_feature(avctx, "YV12 picture format"); return AVERROR_PATCHWELCOME; } pic_conf.chroma_height = (pic_conf.pic_height + 3) >> 2; pic_conf.chroma_width = (pic_conf.pic_width + 3) >> 2; if (!tile_size) { pic_conf.tile_height = pic_conf.pic_height; pic_conf.tile_width = pic_conf.pic_width; } else { pic_conf.tile_height = pic_conf.tile_width = tile_size; } /* check if picture layout was changed and reallocate buffers */ if (ivi_pic_config_cmp(&pic_conf, &ctx->pic_conf) || ctx->gop_invalid) { result = ff_ivi_init_planes(ctx->planes, &pic_conf, 0); if (result < 0) { av_log(avctx, AV_LOG_ERROR, "Couldn't reallocate color planes!\n"); return result; } ctx->pic_conf = pic_conf; ctx->is_scalable = is_scalable; blk_size_changed = 1; /* force reallocation of the internal structures */ } for (p = 0; p <= 1; p++) { for (i = 0; i < (!p ? pic_conf.luma_bands : pic_conf.chroma_bands); i++) { band = &ctx->planes[p].bands[i]; band->is_halfpel = get_bits1(&ctx->gb); mb_size = get_bits1(&ctx->gb); blk_size = 8 >> get_bits1(&ctx->gb); mb_size = blk_size << !mb_size; if (p==0 && blk_size==4) { av_log(avctx, AV_LOG_ERROR, "4x4 luma blocks are unsupported!\n"); return AVERROR_PATCHWELCOME; } blk_size_changed = mb_size != band->mb_size || blk_size != band->blk_size; if (blk_size_changed) { band->mb_size = mb_size; band->blk_size = blk_size; } if (get_bits1(&ctx->gb)) { avpriv_report_missing_feature(avctx, "Extended transform info"); return AVERROR_PATCHWELCOME; } /* select transform function and scan pattern according to plane and band number */ switch ((p << 2) + i) { case 0: band->inv_transform = ff_ivi_inverse_slant_8x8; band->dc_transform = ff_ivi_dc_slant_2d; band->scan = ff_zigzag_direct; band->transform_size = 8; break; case 1: band->inv_transform = ff_ivi_row_slant8; band->dc_transform = ff_ivi_dc_row_slant; band->scan = ff_ivi_vertical_scan_8x8; band->transform_size = 8; break; case 2: band->inv_transform = ff_ivi_col_slant8; band->dc_transform = ff_ivi_dc_col_slant; band->scan = ff_ivi_horizontal_scan_8x8; band->transform_size = 8; break; case 3: band->inv_transform = ff_ivi_put_pixels_8x8; band->dc_transform = ff_ivi_put_dc_pixel_8x8; band->scan = ff_ivi_horizontal_scan_8x8; band->transform_size = 8; break; case 4: band->inv_transform = ff_ivi_inverse_slant_4x4; band->dc_transform = ff_ivi_dc_slant_2d; band->scan = ff_ivi_direct_scan_4x4; band->transform_size = 4; break; } band->is_2d_trans = band->inv_transform == ff_ivi_inverse_slant_8x8 || band->inv_transform == ff_ivi_inverse_slant_4x4; if (band->transform_size != band->blk_size) { av_log(avctx, AV_LOG_ERROR, "transform and block size mismatch (%d != %d)\n", band->transform_size, band->blk_size); return AVERROR_INVALIDDATA; } /* select dequant matrix according to plane and band number */ if (!p) { quant_mat = (pic_conf.luma_bands > 1) ? i+1 : 0; } else { quant_mat = 5; } if (band->blk_size == 8) { if(quant_mat >= 5){ av_log(avctx, AV_LOG_ERROR, "quant_mat %d too large!\n", quant_mat); return -1; } band->intra_base = &ivi5_base_quant_8x8_intra[quant_mat][0]; band->inter_base = &ivi5_base_quant_8x8_inter[quant_mat][0]; band->intra_scale = &ivi5_scale_quant_8x8_intra[quant_mat][0]; band->inter_scale = &ivi5_scale_quant_8x8_inter[quant_mat][0]; } else { band->intra_base = ivi5_base_quant_4x4_intra; band->inter_base = ivi5_base_quant_4x4_inter; band->intra_scale = ivi5_scale_quant_4x4_intra; band->inter_scale = ivi5_scale_quant_4x4_inter; } if (get_bits(&ctx->gb, 2)) { av_log(avctx, AV_LOG_ERROR, "End marker missing!\n"); return AVERROR_INVALIDDATA; } } } /* copy chroma parameters into the 2nd chroma plane */ for (i = 0; i < pic_conf.chroma_bands; i++) { band1 = &ctx->planes[1].bands[i]; band2 = &ctx->planes[2].bands[i]; band2->width = band1->width; band2->height = band1->height; band2->mb_size = band1->mb_size; band2->blk_size = band1->blk_size; band2->is_halfpel = band1->is_halfpel; band2->intra_base = band1->intra_base; band2->inter_base = band1->inter_base; band2->intra_scale = band1->intra_scale; band2->inter_scale = band1->inter_scale; band2->scan = band1->scan; band2->inv_transform = band1->inv_transform; band2->dc_transform = band1->dc_transform; band2->is_2d_trans = band1->is_2d_trans; band2->transform_size= band1->transform_size; } /* reallocate internal structures if needed */ if (blk_size_changed) { result = ff_ivi_init_tiles(ctx->planes, pic_conf.tile_width, pic_conf.tile_height); if (result < 0) { av_log(avctx, AV_LOG_ERROR, "Couldn't reallocate internal structures!\n"); return result; } } if (ctx->gop_flags & 8) { if (get_bits(&ctx->gb, 3)) { av_log(avctx, AV_LOG_ERROR, "Alignment bits are not zero!\n"); return AVERROR_INVALIDDATA; } if (get_bits1(&ctx->gb)) skip_bits_long(&ctx->gb, 24); /* skip transparency fill color */ } align_get_bits(&ctx->gb); skip_bits(&ctx->gb, 23); /* FIXME: unknown meaning */ /* skip GOP extension if any */ if (get_bits1(&ctx->gb)) { do { i = get_bits(&ctx->gb, 16); } while (i & 0x8000); } align_get_bits(&ctx->gb); return 0; } | 18,414 |
1 | static void virtio_gpu_cleanup_mapping(struct virtio_gpu_simple_resource *res) { virtio_gpu_cleanup_mapping_iov(res->iov, res->iov_cnt); g_free(res->iov); res->iov = NULL; res->iov_cnt = 0; } | 18,415 |
0 | static int get_packet(URLContext *s, int for_header) { RTMPContext *rt = s->priv_data; int ret; uint8_t *p; const uint8_t *next; uint32_t data_size; uint32_t ts, cts, pts=0; if (rt->state == STATE_STOPPED) return AVERROR_EOF; for (;;) { RTMPPacket rpkt = { 0 }; if ((ret = ff_rtmp_packet_read(rt->stream, &rpkt, rt->chunk_size, rt->prev_pkt[0])) <= 0) { if (ret == 0) { return AVERROR(EAGAIN); } else { return AVERROR(EIO); } } rt->bytes_read += ret; if (rt->bytes_read > rt->last_bytes_read + rt->client_report_size) { av_log(s, AV_LOG_DEBUG, "Sending bytes read report\n"); gen_bytes_read(s, rt, rpkt.timestamp + 1); rt->last_bytes_read = rt->bytes_read; } ret = rtmp_parse_result(s, rt, &rpkt); if (ret < 0) {//serious error in current packet ff_rtmp_packet_destroy(&rpkt); return -1; } if (rt->state == STATE_STOPPED) { ff_rtmp_packet_destroy(&rpkt); return AVERROR_EOF; } if (for_header && (rt->state == STATE_PLAYING || rt->state == STATE_PUBLISHING)) { ff_rtmp_packet_destroy(&rpkt); return 0; } if (!rpkt.data_size || !rt->is_input) { ff_rtmp_packet_destroy(&rpkt); continue; } if (rpkt.type == RTMP_PT_VIDEO || rpkt.type == RTMP_PT_AUDIO || (rpkt.type == RTMP_PT_NOTIFY && !memcmp("\002\000\012onMetaData", rpkt.data, 13))) { ts = rpkt.timestamp; // generate packet header and put data into buffer for FLV demuxer rt->flv_off = 0; rt->flv_size = rpkt.data_size + 15; rt->flv_data = p = av_realloc(rt->flv_data, rt->flv_size); bytestream_put_byte(&p, rpkt.type); bytestream_put_be24(&p, rpkt.data_size); bytestream_put_be24(&p, ts); bytestream_put_byte(&p, ts >> 24); bytestream_put_be24(&p, 0); bytestream_put_buffer(&p, rpkt.data, rpkt.data_size); bytestream_put_be32(&p, 0); ff_rtmp_packet_destroy(&rpkt); return 0; } else if (rpkt.type == RTMP_PT_METADATA) { // we got raw FLV data, make it available for FLV demuxer rt->flv_off = 0; rt->flv_size = rpkt.data_size; rt->flv_data = av_realloc(rt->flv_data, rt->flv_size); /* rewrite timestamps */ next = rpkt.data; ts = rpkt.timestamp; while (next - rpkt.data < rpkt.data_size - 11) { next++; data_size = bytestream_get_be24(&next); p=next; cts = bytestream_get_be24(&next); cts |= bytestream_get_byte(&next) << 24; if (pts==0) pts=cts; ts += cts - pts; pts = cts; bytestream_put_be24(&p, ts); bytestream_put_byte(&p, ts >> 24); next += data_size + 3 + 4; } memcpy(rt->flv_data, rpkt.data, rpkt.data_size); ff_rtmp_packet_destroy(&rpkt); return 0; } ff_rtmp_packet_destroy(&rpkt); } return 0; } | 18,416 |
0 | static int pcm_encode_frame(AVCodecContext *avctx, unsigned char *frame, int buf_size, void *data) { int n, sample_size, v; const short *samples; unsigned char *dst; const uint8_t *srcu8; const int16_t *samples_int16_t; const int32_t *samples_int32_t; const int64_t *samples_int64_t; const uint16_t *samples_uint16_t; const uint32_t *samples_uint32_t; sample_size = av_get_bits_per_sample(avctx->codec->id)/8; n = buf_size / sample_size; samples = data; dst = frame; if (avctx->sample_fmt!=avctx->codec->sample_fmts[0]) { av_log(avctx, AV_LOG_ERROR, "invalid sample_fmt\n"); return -1; } switch(avctx->codec->id) { case CODEC_ID_PCM_U32LE: ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000) break; case CODEC_ID_PCM_U32BE: ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000) break; case CODEC_ID_PCM_S24LE: ENCODE(int32_t, le24, samples, dst, n, 8, 0) break; case CODEC_ID_PCM_S24BE: ENCODE(int32_t, be24, samples, dst, n, 8, 0) break; case CODEC_ID_PCM_U24LE: ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000) break; case CODEC_ID_PCM_U24BE: ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000) break; case CODEC_ID_PCM_S24DAUD: for(;n>0;n--) { uint32_t tmp = av_reverse[(*samples >> 8) & 0xff] + (av_reverse[*samples & 0xff] << 8); tmp <<= 4; // sync flags would go here bytestream_put_be24(&dst, tmp); samples++; } break; case CODEC_ID_PCM_U16LE: ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000) break; case CODEC_ID_PCM_U16BE: ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000) break; case CODEC_ID_PCM_S8: srcu8= data; for(;n>0;n--) { v = *srcu8++; *dst++ = v - 128; } break; #if HAVE_BIGENDIAN case CODEC_ID_PCM_F64LE: ENCODE(int64_t, le64, samples, dst, n, 0, 0) break; case CODEC_ID_PCM_S32LE: case CODEC_ID_PCM_F32LE: ENCODE(int32_t, le32, samples, dst, n, 0, 0) break; case CODEC_ID_PCM_S16LE: ENCODE(int16_t, le16, samples, dst, n, 0, 0) break; case CODEC_ID_PCM_F64BE: case CODEC_ID_PCM_F32BE: case CODEC_ID_PCM_S32BE: case CODEC_ID_PCM_S16BE: #else case CODEC_ID_PCM_F64BE: ENCODE(int64_t, be64, samples, dst, n, 0, 0) break; case CODEC_ID_PCM_F32BE: case CODEC_ID_PCM_S32BE: ENCODE(int32_t, be32, samples, dst, n, 0, 0) break; case CODEC_ID_PCM_S16BE: ENCODE(int16_t, be16, samples, dst, n, 0, 0) break; case CODEC_ID_PCM_F64LE: case CODEC_ID_PCM_F32LE: case CODEC_ID_PCM_S32LE: case CODEC_ID_PCM_S16LE: #endif /* HAVE_BIGENDIAN */ case CODEC_ID_PCM_U8: memcpy(dst, samples, n*sample_size); dst += n*sample_size; break; case CODEC_ID_PCM_ZORK: for(;n>0;n--) { v= *samples++ >> 8; if(v<0) v = -v; else v+= 128; *dst++ = v; } break; case CODEC_ID_PCM_ALAW: for(;n>0;n--) { v = *samples++; *dst++ = linear_to_alaw[(v + 32768) >> 2]; } break; case CODEC_ID_PCM_MULAW: for(;n>0;n--) { v = *samples++; *dst++ = linear_to_ulaw[(v + 32768) >> 2]; } break; default: return -1; } //avctx->frame_size = (dst - frame) / (sample_size * avctx->channels); return dst - frame; } | 18,417 |
0 | static int exif_add_metadata(AVCodecContext *avctx, int count, int type, const char *name, const char *sep, GetByteContext *gb, int le, AVDictionary **metadata) { switch(type) { case 0: av_log(avctx, AV_LOG_WARNING, "Invalid TIFF tag type 0 found for %s with size %d\n", name, count); return 0; case TIFF_DOUBLE : return ff_tadd_doubles_metadata(count, name, sep, gb, le, metadata); case TIFF_SSHORT : return ff_tadd_shorts_metadata(count, name, sep, gb, le, 1, metadata); case TIFF_SHORT : return ff_tadd_shorts_metadata(count, name, sep, gb, le, 0, metadata); case TIFF_SBYTE : return ff_tadd_bytes_metadata(count, name, sep, gb, le, 1, metadata); case TIFF_BYTE : case TIFF_UNDEFINED: return ff_tadd_bytes_metadata(count, name, sep, gb, le, 0, metadata); case TIFF_STRING : return ff_tadd_string_metadata(count, name, gb, le, metadata); case TIFF_SRATIONAL: case TIFF_RATIONAL : return ff_tadd_rational_metadata(count, name, sep, gb, le, metadata); case TIFF_SLONG : case TIFF_LONG : return ff_tadd_long_metadata(count, name, sep, gb, le, metadata); default: avpriv_request_sample(avctx, "TIFF tag type (%u)", type); return 0; }; } | 18,418 |
0 | static int mtv_probe(AVProbeData *p) { if(p->buf_size < 3) return 0; /* Magic is 'AMV' */ if(*(p->buf) != 'A' || *(p->buf+1) != 'M' || *(p->buf+2) != 'V') return 0; return AVPROBE_SCORE_MAX; } | 18,420 |
0 | static int vmd_probe(AVProbeData *p) { if (p->buf_size < 2) return 0; /* check if the first 2 bytes of the file contain the appropriate size * of a VMD header chunk */ if (AV_RL16(&p->buf[0]) != VMD_HEADER_SIZE - 2) return 0; /* only return half certainty since this check is a bit sketchy */ return AVPROBE_SCORE_MAX / 2; } | 18,421 |
0 | voc_get_packet(AVFormatContext *s, AVPacket *pkt, AVStream *st, int max_size) { VocDecContext *voc = s->priv_data; AVCodecContext *dec = st->codec; ByteIOContext *pb = s->pb; VocType type; int size, tmp_codec; int sample_rate = 0; int channels = 1; while (!voc->remaining_size) { type = get_byte(pb); if (type == VOC_TYPE_EOF) return AVERROR(EIO); voc->remaining_size = get_le24(pb); if (!voc->remaining_size) { if (url_is_streamed(s->pb)) return AVERROR(EIO); voc->remaining_size = url_fsize(pb) - url_ftell(pb); } max_size -= 4; switch (type) { case VOC_TYPE_VOICE_DATA: dec->sample_rate = 1000000 / (256 - get_byte(pb)); if (sample_rate) dec->sample_rate = sample_rate; dec->channels = channels; tmp_codec = ff_codec_get_id(ff_voc_codec_tags, get_byte(pb)); if (dec->codec_id == CODEC_ID_NONE) dec->codec_id = tmp_codec; else if (dec->codec_id != tmp_codec) av_log(s, AV_LOG_WARNING, "Ignoring mid-stream change in audio codec\n"); dec->bits_per_coded_sample = av_get_bits_per_sample(dec->codec_id); voc->remaining_size -= 2; max_size -= 2; channels = 1; break; case VOC_TYPE_VOICE_DATA_CONT: break; case VOC_TYPE_EXTENDED: sample_rate = get_le16(pb); get_byte(pb); channels = get_byte(pb) + 1; sample_rate = 256000000 / (channels * (65536 - sample_rate)); voc->remaining_size = 0; max_size -= 4; break; case VOC_TYPE_NEW_VOICE_DATA: dec->sample_rate = get_le32(pb); dec->bits_per_coded_sample = get_byte(pb); dec->channels = get_byte(pb); tmp_codec = ff_codec_get_id(ff_voc_codec_tags, get_le16(pb)); if (dec->codec_id == CODEC_ID_NONE) dec->codec_id = tmp_codec; else if (dec->codec_id != tmp_codec) av_log(s, AV_LOG_WARNING, "Ignoring mid-stream change in audio codec\n"); url_fskip(pb, 4); voc->remaining_size -= 12; max_size -= 12; break; default: url_fskip(pb, voc->remaining_size); max_size -= voc->remaining_size; voc->remaining_size = 0; break; } if (dec->codec_id == CODEC_ID_NONE) { av_log(s, AV_LOG_ERROR, "Invalid codec_id\n"); if (s->audio_codec_id == CODEC_ID_NONE) return AVERROR(EINVAL); } } dec->bit_rate = dec->sample_rate * dec->bits_per_coded_sample; if (max_size <= 0) max_size = 2048; size = FFMIN(voc->remaining_size, max_size); voc->remaining_size -= size; return av_get_packet(pb, pkt, size); } | 18,422 |
1 | static inline int mjpeg_decode_dc(MJpegDecodeContext *s, int dc_index) { int code; code = get_vlc2(&s->gb, s->vlcs[0][dc_index].table, 9, 2); if (code < 0) { av_log(s->avctx, AV_LOG_WARNING, "mjpeg_decode_dc: bad vlc: %d:%d (%p)\n", 0, dc_index, &s->vlcs[0][dc_index]); return 0xffff; } if (code) return get_xbits(&s->gb, code); else return 0; } | 18,423 |
1 | static void palmte_init(MachineState *machine) { const char *cpu_model = machine->cpu_model; const char *kernel_filename = machine->kernel_filename; const char *kernel_cmdline = machine->kernel_cmdline; const char *initrd_filename = machine->initrd_filename; MemoryRegion *address_space_mem = get_system_memory(); struct omap_mpu_state_s *mpu; int flash_size = 0x00800000; int sdram_size = palmte_binfo.ram_size; static uint32_t cs0val = 0xffffffff; static uint32_t cs1val = 0x0000e1a0; static uint32_t cs2val = 0x0000e1a0; static uint32_t cs3val = 0xe1a0e1a0; int rom_size, rom_loaded = 0; MemoryRegion *flash = g_new(MemoryRegion, 1); MemoryRegion *cs = g_new(MemoryRegion, 4); mpu = omap310_mpu_init(address_space_mem, sdram_size, cpu_model); /* External Flash (EMIFS) */ memory_region_init_ram(flash, NULL, "palmte.flash", flash_size, &error_abort); vmstate_register_ram_global(flash); memory_region_set_readonly(flash, true); memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash); memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0", OMAP_CS0_SIZE - flash_size); memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size, &cs[0]); memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1", OMAP_CS1_SIZE); memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]); memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2", OMAP_CS2_SIZE); memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]); memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3", OMAP_CS3_SIZE); memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]); palmte_microwire_setup(mpu); qemu_add_kbd_event_handler(palmte_button_event, mpu); palmte_gpio_setup(mpu); /* Setup initial (reset) machine state */ if (nb_option_roms) { rom_size = get_image_size(option_rom[0].name); if (rom_size > flash_size) { fprintf(stderr, "%s: ROM image too big (%x > %x)\n", __FUNCTION__, rom_size, flash_size); rom_size = 0; } if (rom_size > 0) { rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE, flash_size); rom_loaded = 1; } if (rom_size < 0) { fprintf(stderr, "%s: error loading '%s'\n", __FUNCTION__, option_rom[0].name); } } if (!rom_loaded && !kernel_filename && !qtest_enabled()) { fprintf(stderr, "Kernel or ROM image must be specified\n"); exit(1); } /* Load the kernel. */ palmte_binfo.kernel_filename = kernel_filename; palmte_binfo.kernel_cmdline = kernel_cmdline; palmte_binfo.initrd_filename = initrd_filename; arm_load_kernel(mpu->cpu, &palmte_binfo); } | 18,424 |
1 | static void aio_signal_handler(int signum) { #if !defined(QEMU_IMG) && !defined(QEMU_NBD) CPUState *env = cpu_single_env; if (env) { /* stop the currently executing cpu because a timer occured */ cpu_interrupt(env, CPU_INTERRUPT_EXIT); #ifdef USE_KQEMU if (env->kqemu_enabled) { kqemu_cpu_interrupt(env); } #endif } #endif } | 18,428 |
1 | static int mov_read_mfra(MOVContext *c, AVIOContext *f) { int64_t stream_size = avio_size(f); int64_t original_pos = avio_tell(f); int64_t seek_ret; int32_t mfra_size; int ret = -1; if ((seek_ret = avio_seek(f, stream_size - 4, SEEK_SET)) < 0) { ret = seek_ret; goto fail; } mfra_size = avio_rb32(f); if (mfra_size < 0 || mfra_size > stream_size) { av_log(c->fc, AV_LOG_DEBUG, "doesn't look like mfra (unreasonable size)\n"); goto fail; } if ((seek_ret = avio_seek(f, -mfra_size, SEEK_CUR)) < 0) { ret = seek_ret; goto fail; } if (avio_rb32(f) != mfra_size) { av_log(c->fc, AV_LOG_DEBUG, "doesn't look like mfra (size mismatch)\n"); goto fail; } if (avio_rb32(f) != MKBETAG('m', 'f', 'r', 'a')) { av_log(c->fc, AV_LOG_DEBUG, "doesn't look like mfra (tag mismatch)\n"); goto fail; } ret = 0; av_log(c->fc, AV_LOG_VERBOSE, "stream has mfra\n"); while (!read_tfra(c, f)) { /* Empty */ } fail: seek_ret = avio_seek(f, original_pos, SEEK_SET); if (seek_ret < 0) { av_log(c->fc, AV_LOG_ERROR, "failed to seek back after looking for mfra\n"); ret = seek_ret; } return ret; } | 18,429 |
1 | static int qemu_save_device_state(QEMUFile *f) { SaveStateEntry *se; qemu_put_be32(f, QEMU_VM_FILE_MAGIC); qemu_put_be32(f, QEMU_VM_FILE_VERSION); cpu_synchronize_all_states(); QTAILQ_FOREACH(se, &savevm_state.handlers, entry) { if (se->is_ram) { continue; } if ((!se->ops || !se->ops->save_state) && !se->vmsd) { continue; } save_section_header(f, se, QEMU_VM_SECTION_FULL); vmstate_save(f, se, NULL); } qemu_put_byte(f, QEMU_VM_EOF); return qemu_file_get_error(f); } | 18,430 |
1 | void PREFIX_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, int stride, int h, int x, int y) { POWERPC_PERF_DECLARE(PREFIX_h264_chroma_mc8_num, 1); DECLARE_ALIGNED_16(signed int, ABCD[4]) = {((8 - x) * (8 - y)), (( x) * (8 - y)), ((8 - x) * ( y)), (( x) * ( y))}; register int i; vec_u8 fperm; const vec_s32 vABCD = vec_ld(0, ABCD); const vec_s16 vA = vec_splat((vec_s16)vABCD, 1); const vec_s16 vB = vec_splat((vec_s16)vABCD, 3); const vec_s16 vC = vec_splat((vec_s16)vABCD, 5); const vec_s16 vD = vec_splat((vec_s16)vABCD, 7); LOAD_ZERO; const vec_s16 v32ss = vec_sl(vec_splat_s16(1),vec_splat_u16(5)); const vec_u16 v6us = vec_splat_u16(6); register int loadSecond = (((unsigned long)src) % 16) <= 7 ? 0 : 1; register int reallyBadAlign = (((unsigned long)src) % 16) == 15 ? 1 : 0; vec_u8 vsrcAuc, vsrcBuc, vsrcperm0, vsrcperm1; vec_u8 vsrc0uc, vsrc1uc; vec_s16 vsrc0ssH, vsrc1ssH; vec_u8 vsrcCuc, vsrc2uc, vsrc3uc; vec_s16 vsrc2ssH, vsrc3ssH, psum; vec_u8 vdst, ppsum, vfdst, fsum; POWERPC_PERF_START_COUNT(PREFIX_h264_chroma_mc8_num, 1); if (((unsigned long)dst) % 16 == 0) { fperm = (vec_u8){0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F}; } else { fperm = (vec_u8){0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F}; } vsrcAuc = vec_ld(0, src); if (loadSecond) vsrcBuc = vec_ld(16, src); vsrcperm0 = vec_lvsl(0, src); vsrcperm1 = vec_lvsl(1, src); vsrc0uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm0); if (reallyBadAlign) vsrc1uc = vsrcBuc; else vsrc1uc = vec_perm(vsrcAuc, vsrcBuc, vsrcperm1); vsrc0ssH = (vec_s16)vec_mergeh(zero_u8v,(vec_u8)vsrc0uc); vsrc1ssH = (vec_s16)vec_mergeh(zero_u8v,(vec_u8)vsrc1uc); if (ABCD[3]) { if (!loadSecond) {// -> !reallyBadAlign for (i = 0 ; i < h ; i++) { vsrcCuc = vec_ld(stride + 0, src); vsrc2uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0); vsrc3uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1); CHROMA_MC8_ALTIVEC_CORE } } else { vec_u8 vsrcDuc; for (i = 0 ; i < h ; i++) { vsrcCuc = vec_ld(stride + 0, src); vsrcDuc = vec_ld(stride + 16, src); vsrc2uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0); if (reallyBadAlign) vsrc3uc = vsrcDuc; else vsrc3uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1); CHROMA_MC8_ALTIVEC_CORE } } } else { const vec_s16 vE = vec_add(vB, vC); if (ABCD[2]) { // x == 0 B == 0 if (!loadSecond) {// -> !reallyBadAlign for (i = 0 ; i < h ; i++) { vsrcCuc = vec_ld(stride + 0, src); vsrc1uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0); CHROMA_MC8_ALTIVEC_CORE_SIMPLE vsrc0uc = vsrc1uc; } } else { vec_u8 vsrcDuc; for (i = 0 ; i < h ; i++) { vsrcCuc = vec_ld(stride + 0, src); vsrcDuc = vec_ld(stride + 15, src); vsrc1uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0); CHROMA_MC8_ALTIVEC_CORE_SIMPLE vsrc0uc = vsrc1uc; } } } else { // y == 0 C == 0 if (!loadSecond) {// -> !reallyBadAlign for (i = 0 ; i < h ; i++) { vsrcCuc = vec_ld(0, src); vsrc0uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm0); vsrc1uc = vec_perm(vsrcCuc, vsrcCuc, vsrcperm1); CHROMA_MC8_ALTIVEC_CORE_SIMPLE } } else { vec_u8 vsrcDuc; for (i = 0 ; i < h ; i++) { vsrcCuc = vec_ld(0, src); vsrcDuc = vec_ld(15, src); vsrc0uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm0); if (reallyBadAlign) vsrc1uc = vsrcDuc; else vsrc1uc = vec_perm(vsrcCuc, vsrcDuc, vsrcperm1); CHROMA_MC8_ALTIVEC_CORE_SIMPLE } } } } POWERPC_PERF_STOP_COUNT(PREFIX_h264_chroma_mc8_num, 1); } | 18,431 |
1 | static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd, const char **p, int line_num, FFServerStream **pstream) { char arg[1024], arg2[1024]; FFServerStream *stream; int val; av_assert0(pstream); stream = *pstream; if (!av_strcasecmp(cmd, "<Stream")) { char *q; FFServerStream *s; stream = av_mallocz(sizeof(FFServerStream)); if (!stream) return AVERROR(ENOMEM); config->dummy_actx = avcodec_alloc_context3(NULL); config->dummy_vctx = avcodec_alloc_context3(NULL); if (!config->dummy_vctx || !config->dummy_actx) { av_free(stream); avcodec_free_context(&config->dummy_vctx); avcodec_free_context(&config->dummy_actx); return AVERROR(ENOMEM); } config->dummy_actx->codec_type = AVMEDIA_TYPE_AUDIO; config->dummy_vctx->codec_type = AVMEDIA_TYPE_VIDEO; ffserver_get_arg(stream->filename, sizeof(stream->filename), p); q = strrchr(stream->filename, '>'); if (q) *q = '\0'; for (s = config->first_stream; s; s = s->next) { if (!strcmp(stream->filename, s->filename)) ERROR("Stream '%s' already registered\n", s->filename); } stream->fmt = ffserver_guess_format(NULL, stream->filename, NULL); if (stream->fmt) { config->guessed_audio_codec_id = stream->fmt->audio_codec; config->guessed_video_codec_id = stream->fmt->video_codec; } else { config->guessed_audio_codec_id = AV_CODEC_ID_NONE; config->guessed_video_codec_id = AV_CODEC_ID_NONE; } *pstream = stream; return 0; } av_assert0(stream); if (!av_strcasecmp(cmd, "Feed")) { FFServerStream *sfeed; ffserver_get_arg(arg, sizeof(arg), p); sfeed = config->first_feed; while (sfeed) { if (!strcmp(sfeed->filename, arg)) break; sfeed = sfeed->next_feed; } if (!sfeed) ERROR("Feed with name '%s' for stream '%s' is not defined\n", arg, stream->filename); else stream->feed = sfeed; } else if (!av_strcasecmp(cmd, "Format")) { ffserver_get_arg(arg, sizeof(arg), p); if (!strcmp(arg, "status")) { stream->stream_type = STREAM_TYPE_STATUS; stream->fmt = NULL; } else { stream->stream_type = STREAM_TYPE_LIVE; /* JPEG cannot be used here, so use single frame MJPEG */ if (!strcmp(arg, "jpeg")) strcpy(arg, "mjpeg"); stream->fmt = ffserver_guess_format(arg, NULL, NULL); if (!stream->fmt) ERROR("Unknown Format: %s\n", arg); } if (stream->fmt) { config->guessed_audio_codec_id = stream->fmt->audio_codec; config->guessed_video_codec_id = stream->fmt->video_codec; } } else if (!av_strcasecmp(cmd, "InputFormat")) { ffserver_get_arg(arg, sizeof(arg), p); stream->ifmt = av_find_input_format(arg); if (!stream->ifmt) ERROR("Unknown input format: %s\n", arg); } else if (!av_strcasecmp(cmd, "FaviconURL")) { if (stream->stream_type == STREAM_TYPE_STATUS) ffserver_get_arg(stream->feed_filename, sizeof(stream->feed_filename), p); else ERROR("FaviconURL only permitted for status streams\n"); } else if (!av_strcasecmp(cmd, "Author") || !av_strcasecmp(cmd, "Comment") || !av_strcasecmp(cmd, "Copyright") || !av_strcasecmp(cmd, "Title")) { char key[32]; int i; ffserver_get_arg(arg, sizeof(arg), p); for (i = 0; i < strlen(cmd); i++) key[i] = av_tolower(cmd[i]); key[i] = 0; WARNING("'%s' option in configuration file is deprecated, " "use 'Metadata %s VALUE' instead\n", cmd, key); if (av_dict_set(&stream->metadata, key, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "Metadata")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_get_arg(arg2, sizeof(arg2), p); if (av_dict_set(&stream->metadata, arg, arg2, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "Preroll")) { ffserver_get_arg(arg, sizeof(arg), p); stream->prebuffer = atof(arg) * 1000; } else if (!av_strcasecmp(cmd, "StartSendOnKey")) { stream->send_on_key = 1; } else if (!av_strcasecmp(cmd, "AudioCodec")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_codec(config->dummy_actx, arg, config, line_num); } else if (!av_strcasecmp(cmd, "VideoCodec")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_codec(config->dummy_vctx, arg, config, line_num); } else if (!av_strcasecmp(cmd, "MaxTime")) { ffserver_get_arg(arg, sizeof(arg), p); stream->max_time = atof(arg) * 1000; } else if (!av_strcasecmp(cmd, "AudioBitRate")) { float f; ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_float_param(&f, arg, 1000, 0, FLT_MAX, config, line_num, "Invalid %s: %s\n", cmd, arg); if (av_dict_set_int(&config->audio_conf, cmd, lrintf(f), 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "AudioChannels")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(NULL, arg, 0, 1, 8, config, line_num, "Invalid %s: %s, valid range is 1-8.", cmd, arg); if (av_dict_set(&config->audio_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "AudioSampleRate")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(NULL, arg, 0, 0, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg); if (av_dict_set(&config->audio_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoBitRateRange")) { int minrate, maxrate; ffserver_get_arg(arg, sizeof(arg), p); if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) { if (av_dict_set_int(&config->video_conf, "VideoBitRateRangeMin", minrate, 0) < 0 || av_dict_set_int(&config->video_conf, "VideoBitRateRangeMax", maxrate, 0) < 0) goto nomem; } else ERROR("Incorrect format for VideoBitRateRange -- should be " "<min>-<max>: %s\n", arg); } else if (!av_strcasecmp(cmd, "Debug")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "Strict")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoBufferSize")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(NULL, arg, 8*1024, 0, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(NULL, arg, 1000, INT_MIN, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoBitRate")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(NULL, arg, 1000, 0, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoSize")) { int ret, w, h; ffserver_get_arg(arg, sizeof(arg), p); ret = av_parse_video_size(&w, &h, arg); if (ret < 0) ERROR("Invalid video size '%s'\n", arg); else if ((w % 2) || (h % 2)) WARNING("Image size is not a multiple of 2\n"); if (av_dict_set_int(&config->video_conf, "VideoSizeWidth", w, 0) < 0 || av_dict_set_int(&config->video_conf, "VideoSizeHeight", h, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoFrameRate")) { AVRational frame_rate; ffserver_get_arg(arg, sizeof(arg), p); if (av_parse_video_rate(&frame_rate, arg) < 0) { ERROR("Incorrect frame rate: %s\n", arg); } else { if (av_dict_set_int(&config->video_conf, "VideoFrameRateNum", frame_rate.num, 0) < 0 || av_dict_set_int(&config->video_conf, "VideoFrameRateDen", frame_rate.den, 0) < 0) goto nomem; } } else if (!av_strcasecmp(cmd, "PixelFormat")) { enum AVPixelFormat pix_fmt; ffserver_get_arg(arg, sizeof(arg), p); pix_fmt = av_get_pix_fmt(arg); if (pix_fmt == AV_PIX_FMT_NONE) ERROR("Unknown pixel format: %s\n", arg); if (av_dict_set_int(&config->video_conf, cmd, pix_fmt, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoGopSize")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config, line_num, "Invalid %s: %s", cmd, arg); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoIntraOnly")) { if (av_dict_set(&config->video_conf, cmd, "1", 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoHighQuality")) { if (av_dict_set(&config->video_conf, cmd, "", 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "Video4MotionVector")) { if (av_dict_set(&config->video_conf, cmd, "", 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "AVOptionVideo") || !av_strcasecmp(cmd, "AVOptionAudio")) { int ret; ffserver_get_arg(arg, sizeof(arg), p); ffserver_get_arg(arg2, sizeof(arg2), p); if (!av_strcasecmp(cmd, "AVOptionVideo")) ret = ffserver_save_avoption(config->dummy_vctx, arg, arg2, &config->video_opts, AV_OPT_FLAG_VIDEO_PARAM ,config, line_num); else ret = ffserver_save_avoption(config->dummy_actx, arg, arg2, &config->audio_opts, AV_OPT_FLAG_AUDIO_PARAM ,config, line_num); if (ret < 0) goto nomem; } else if (!av_strcasecmp(cmd, "AVPresetVideo") || !av_strcasecmp(cmd, "AVPresetAudio")) { ffserver_get_arg(arg, sizeof(arg), p); if (!av_strcasecmp(cmd, "AVPresetVideo")) ffserver_opt_preset(arg, config->dummy_vctx, config, line_num); else ffserver_opt_preset(arg, config->dummy_actx, config, line_num); } else if (!av_strcasecmp(cmd, "VideoTag")) { ffserver_get_arg(arg, sizeof(arg), p); if (strlen(arg) == 4) { if (av_dict_set(&config->video_conf, "VideoTag", "arg", 0) < 0) goto nomem; } } else if (!av_strcasecmp(cmd, "BitExact")) { if (av_dict_set(&config->video_conf, cmd, "", 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "DctFastint")) { if (av_dict_set(&config->video_conf, cmd, "", 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "IdctSimple")) { if (av_dict_set(&config->video_conf, cmd, "", 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "Qscale")) { ffserver_get_arg(arg, sizeof(arg), p); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoQDiff")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(NULL, arg, 0, 1, 31, config, line_num, "%s out of range\n", cmd); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoQMax")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(NULL, arg, 0, 1, 31, config, line_num, "%s out of range\n", cmd); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "VideoQMin")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(NULL, arg, 0, 1, 31, config, line_num, "%s out of range\n", cmd); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "LumiMask")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_float_param(NULL, arg, 0, -FLT_MAX, FLT_MAX, config, line_num, "Invalid %s: %s", cmd, arg); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "DarkMask")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_float_param(NULL, arg, 0, -FLT_MAX, FLT_MAX, config, line_num, "Invalid %s: %s", cmd, arg); if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0) goto nomem; } else if (!av_strcasecmp(cmd, "NoVideo")) { config->no_video = 1; } else if (!av_strcasecmp(cmd, "NoAudio")) { config->no_audio = 1; } else if (!av_strcasecmp(cmd, "ACL")) { ffserver_parse_acl_row(stream, NULL, NULL, *p, config->filename, line_num); } else if (!av_strcasecmp(cmd, "DynamicACL")) { ffserver_get_arg(stream->dynamic_acl, sizeof(stream->dynamic_acl), p); } else if (!av_strcasecmp(cmd, "RTSPOption")) { ffserver_get_arg(arg, sizeof(arg), p); av_freep(&stream->rtsp_option); stream->rtsp_option = av_strdup(arg); } else if (!av_strcasecmp(cmd, "MulticastAddress")) { ffserver_get_arg(arg, sizeof(arg), p); if (resolve_host(&stream->multicast_ip, arg)) ERROR("Invalid host/IP address: %s\n", arg); stream->is_multicast = 1; stream->loop = 1; /* default is looping */ } else if (!av_strcasecmp(cmd, "MulticastPort")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(&val, arg, 0, 1, 65535, config, line_num, "Invalid MulticastPort: %s\n", arg); stream->multicast_port = val; } else if (!av_strcasecmp(cmd, "MulticastTTL")) { ffserver_get_arg(arg, sizeof(arg), p); ffserver_set_int_param(&val, arg, 0, INT_MIN, INT_MAX, config, line_num, "Invalid MulticastTTL: %s\n", arg); stream->multicast_ttl = val; } else if (!av_strcasecmp(cmd, "NoLoop")) { stream->loop = 0; } else if (!av_strcasecmp(cmd, "</Stream>")) { if (stream->feed && stream->fmt && strcmp(stream->fmt->name, "ffm")) { if (config->dummy_actx->codec_id == AV_CODEC_ID_NONE) config->dummy_actx->codec_id = config->guessed_audio_codec_id; if (!config->no_audio && config->dummy_actx->codec_id != AV_CODEC_ID_NONE) { AVCodecContext *audio_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_actx->codec_id)); ffserver_apply_stream_config(audio_enc, config->audio_conf, &config->audio_opts); add_codec(stream, audio_enc); } if (config->dummy_vctx->codec_id == AV_CODEC_ID_NONE) config->dummy_vctx->codec_id = config->guessed_video_codec_id; if (!config->no_video && config->dummy_vctx->codec_id != AV_CODEC_ID_NONE) { AVCodecContext *video_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_vctx->codec_id)); ffserver_apply_stream_config(video_enc, config->video_conf, &config->video_opts); add_codec(stream, video_enc); } } av_dict_free(&config->video_opts); av_dict_free(&config->video_conf); av_dict_free(&config->audio_opts); av_dict_free(&config->audio_conf); avcodec_free_context(&config->dummy_vctx); avcodec_free_context(&config->dummy_actx); *pstream = NULL; } else if (!av_strcasecmp(cmd, "File") || !av_strcasecmp(cmd, "ReadOnlyFile")) { ffserver_get_arg(stream->feed_filename, sizeof(stream->feed_filename), p); } else { ERROR("Invalid entry '%s' inside <Stream></Stream>\n", cmd); } return 0; nomem: av_log(NULL, AV_LOG_ERROR, "Out of memory. Aborting.\n"); av_dict_free(&config->video_opts); av_dict_free(&config->video_conf); av_dict_free(&config->audio_opts); av_dict_free(&config->audio_conf); avcodec_free_context(&config->dummy_vctx); avcodec_free_context(&config->dummy_actx); return AVERROR(ENOMEM); } | 18,432 |
1 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, struct sockaddr *addr, socklen_t len) { struct target_sockaddr *target_saddr; if (len == 0) { return 0; } target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); if (!target_saddr) return -TARGET_EFAULT; memcpy(target_saddr, addr, len); if (len >= offsetof(struct target_sockaddr, sa_family) + sizeof(target_saddr->sa_family)) { target_saddr->sa_family = tswap16(addr->sa_family); } if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) { struct sockaddr_nl *target_nl = (struct sockaddr_nl *)target_saddr; target_nl->nl_pid = tswap32(target_nl->nl_pid); target_nl->nl_groups = tswap32(target_nl->nl_groups); } else if (addr->sa_family == AF_PACKET) { struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr; target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex); target_ll->sll_hatype = tswap16(target_ll->sll_hatype); } else if (addr->sa_family == AF_INET6 && len >= sizeof(struct target_sockaddr_in6)) { struct target_sockaddr_in6 *target_in6 = (struct target_sockaddr_in6 *)target_saddr; target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id); } unlock_user(target_saddr, target_addr, len); return 0; } | 18,433 |
1 | void kvm_set_phys_mem(target_phys_addr_t start_addr, ram_addr_t size, ram_addr_t phys_offset) { KVMState *s = kvm_state; ram_addr_t flags = phys_offset & ~TARGET_PAGE_MASK; KVMSlot *mem; if (start_addr & ~TARGET_PAGE_MASK) { fprintf(stderr, "Only page-aligned memory slots supported\n"); abort(); } /* KVM does not support read-only slots */ phys_offset &= ~IO_MEM_ROM; mem = kvm_lookup_slot(s, start_addr); if (mem) { if (flags >= IO_MEM_UNASSIGNED) { mem->memory_size = 0; mem->start_addr = start_addr; mem->phys_offset = 0; mem->flags = 0; kvm_set_user_memory_region(s, mem); } else if (start_addr >= mem->start_addr && (start_addr + size) <= (mem->start_addr + mem->memory_size)) { KVMSlot slot; target_phys_addr_t mem_start; ram_addr_t mem_size, mem_offset; /* Not splitting */ if ((phys_offset - (start_addr - mem->start_addr)) == mem->phys_offset) return; /* unregister whole slot */ memcpy(&slot, mem, sizeof(slot)); mem->memory_size = 0; kvm_set_user_memory_region(s, mem); /* register prefix slot */ mem_start = slot.start_addr; mem_size = start_addr - slot.start_addr; mem_offset = slot.phys_offset; if (mem_size) kvm_set_phys_mem(mem_start, mem_size, mem_offset); /* register new slot */ kvm_set_phys_mem(start_addr, size, phys_offset); /* register suffix slot */ mem_start = start_addr + size; mem_offset += mem_size + size; mem_size = slot.memory_size - mem_size - size; if (mem_size) kvm_set_phys_mem(mem_start, mem_size, mem_offset); return; } else { printf("Registering overlapping slot\n"); abort(); } } /* KVM does not need to know about this memory */ if (flags >= IO_MEM_UNASSIGNED) return; mem = kvm_alloc_slot(s); mem->memory_size = size; mem->start_addr = start_addr; mem->phys_offset = phys_offset; mem->flags = 0; kvm_set_user_memory_region(s, mem); /* FIXME deal with errors */ } | 18,434 |
1 | static void vfio_put_device(VFIOPCIDevice *vdev) { g_free(vdev->vbasedev.name); if (vdev->msix) { g_free(vdev->msix); vdev->msix = NULL; } vfio_put_base_device(&vdev->vbasedev); } | 18,435 |
1 | static void net_init_tap_one(const NetdevTapOptions *tap, NetClientState *peer, const char *model, const char *name, const char *ifname, const char *script, const char *downscript, const char *vhostfdname, int vnet_hdr, int fd, Error **errp) { Error *err = NULL; TAPState *s = net_tap_fd_init(peer, model, name, fd, vnet_hdr); int vhostfd; tap_set_sndbuf(s->fd, tap, &err); if (err) { error_propagate(errp, err); return; } if (tap->has_fd || tap->has_fds) { snprintf(s->nc.info_str, sizeof(s->nc.info_str), "fd=%d", fd); } else if (tap->has_helper) { snprintf(s->nc.info_str, sizeof(s->nc.info_str), "helper=%s", tap->helper); } else { snprintf(s->nc.info_str, sizeof(s->nc.info_str), "ifname=%s,script=%s,downscript=%s", ifname, script, downscript); if (strcmp(downscript, "no") != 0) { snprintf(s->down_script, sizeof(s->down_script), "%s", downscript); snprintf(s->down_script_arg, sizeof(s->down_script_arg), "%s", ifname); } } if (tap->has_vhost ? tap->vhost : vhostfdname || (tap->has_vhostforce && tap->vhostforce)) { VhostNetOptions options; options.backend_type = VHOST_BACKEND_TYPE_KERNEL; options.net_backend = &s->nc; options.force = tap->has_vhostforce && tap->vhostforce; if (tap->has_vhostfd || tap->has_vhostfds) { vhostfd = monitor_fd_param(cur_mon, vhostfdname, &err); if (vhostfd == -1) { error_propagate(errp, err); return; } } else { vhostfd = open("/dev/vhost-net", O_RDWR); if (vhostfd < 0) { error_setg_errno(errp, errno, "tap: open vhost char device failed"); return; } } options.opaque = (void *)(uintptr_t)vhostfd; s->vhost_net = vhost_net_init(&options); if (!s->vhost_net) { error_setg(errp, "vhost-net requested but could not be initialized"); return; } } else if (tap->has_vhostfd || tap->has_vhostfds) { error_setg(errp, "vhostfd= is not valid without vhost"); } } | 18,436 |
1 | void qemu_iovec_concat_iov(QEMUIOVector *dst, struct iovec *src_iov, unsigned int src_cnt, size_t soffset, size_t sbytes) { int i; size_t done; assert(dst->nalloc != -1); for (i = 0, done = 0; done < sbytes && i < src_cnt; i++) { if (soffset < src_iov[i].iov_len) { size_t len = MIN(src_iov[i].iov_len - soffset, sbytes - done); qemu_iovec_add(dst, src_iov[i].iov_base + soffset, len); done += len; soffset = 0; } else { soffset -= src_iov[i].iov_len; assert(soffset == 0); /* offset beyond end of src */ | 18,440 |
1 | void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict) { Error *errp = NULL; int paging = qdict_get_try_bool(qdict, "paging", 0); const char *file = qdict_get_str(qdict, "filename"); bool has_begin = qdict_haskey(qdict, "begin"); bool has_length = qdict_haskey(qdict, "length"); int64_t begin = 0; int64_t length = 0; char *prot; if (has_begin) { begin = qdict_get_int(qdict, "begin"); } if (has_length) { length = qdict_get_int(qdict, "length"); } prot = g_strconcat("file:", file, NULL); qmp_dump_guest_memory(paging, prot, has_begin, begin, has_length, length, &errp); hmp_handle_error(mon, &errp); g_free(prot); } | 18,441 |
1 | static int encode_picture_ls(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){ JpeglsContext * const s = avctx->priv_data; AVFrame *pict = data; AVFrame * const p= (AVFrame*)&s->picture; const int near = avctx->prediction_method; PutBitContext pb, pb2; GetBitContext gb; uint8_t *buf2, *zero, *cur, *last; JLSState *state; int i, size; int comps; buf2 = av_malloc(buf_size); init_put_bits(&pb, buf, buf_size); init_put_bits(&pb2, buf2, buf_size); *p = *pict; p->pict_type= FF_I_TYPE; p->key_frame= 1; if(avctx->pix_fmt == PIX_FMT_GRAY8 || avctx->pix_fmt == PIX_FMT_GRAY16) comps = 1; else comps = 3; /* write our own JPEG header, can't use mjpeg_picture_header */ put_marker(&pb, SOI); put_marker(&pb, SOF48); put_bits(&pb, 16, 8 + comps * 3); // header size depends on components put_bits(&pb, 8, (avctx->pix_fmt == PIX_FMT_GRAY16) ? 16 : 8); // bpp put_bits(&pb, 16, avctx->height); put_bits(&pb, 16, avctx->width); put_bits(&pb, 8, comps); // components for(i = 1; i <= comps; i++) { put_bits(&pb, 8, i); // component ID put_bits(&pb, 8, 0x11); // subsampling: none put_bits(&pb, 8, 0); // Tiq, used by JPEG-LS ext } put_marker(&pb, SOS); put_bits(&pb, 16, 6 + comps * 2); put_bits(&pb, 8, comps); for(i = 1; i <= comps; i++) { put_bits(&pb, 8, i); // component ID put_bits(&pb, 8, 0); // mapping index: none } put_bits(&pb, 8, near); put_bits(&pb, 8, (comps > 1) ? 1 : 0); // interleaving: 0 - plane, 1 - line put_bits(&pb, 8, 0); // point transform: none state = av_mallocz(sizeof(JLSState)); /* initialize JPEG-LS state from JPEG parameters */ state->near = near; state->bpp = (avctx->pix_fmt == PIX_FMT_GRAY16) ? 16 : 8; reset_ls_coding_parameters(state, 0); ls_init_state(state); ls_store_lse(state, &pb); zero = av_mallocz(p->linesize[0]); last = zero; cur = p->data[0]; if(avctx->pix_fmt == PIX_FMT_GRAY8){ int t = 0; for(i = 0; i < avctx->height; i++) { ls_encode_line(state, &pb2, last, cur, t, avctx->width, 1, 0, 8); t = last[0]; last = cur; cur += p->linesize[0]; } }else if(avctx->pix_fmt == PIX_FMT_GRAY16){ int t = 0; for(i = 0; i < avctx->height; i++) { ls_encode_line(state, &pb2, last, cur, t, avctx->width, 1, 0, 16); t = *((uint16_t*)last); last = cur; cur += p->linesize[0]; } }else if(avctx->pix_fmt == PIX_FMT_RGB24){ int j, width; int Rc[3] = {0, 0, 0}; width = avctx->width * 3; for(i = 0; i < avctx->height; i++) { for(j = 0; j < 3; j++) { ls_encode_line(state, &pb2, last + j, cur + j, Rc[j], width, 3, j, 8); Rc[j] = last[j]; } last = cur; cur += s->picture.linesize[0]; } }else if(avctx->pix_fmt == PIX_FMT_BGR24){ int j, width; int Rc[3] = {0, 0, 0}; width = avctx->width * 3; for(i = 0; i < avctx->height; i++) { for(j = 2; j >= 0; j--) { ls_encode_line(state, &pb2, last + j, cur + j, Rc[j], width, 3, j, 8); Rc[j] = last[j]; } last = cur; cur += s->picture.linesize[0]; } } av_free(zero); av_free(state); flush_put_bits(&pb2); /* do escape coding */ size = put_bits_count(&pb2) >> 3; init_get_bits(&gb, buf2, size); while(get_bits_count(&gb) < size * 8){ int v; v = get_bits(&gb, 8); put_bits(&pb, 8, v); if(v == 0xFF){ v = get_bits(&gb, 7); put_bits(&pb, 8, v); } } align_put_bits(&pb); av_free(buf2); /* End of image */ put_marker(&pb, EOI); flush_put_bits(&pb); emms_c(); return put_bits_count(&pb) >> 3; } | 18,442 |
1 | void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status){ const int start_i= clip(startx + starty * s->mb_width , 0, s->mb_num-1); const int end_i = clip(endx + endy * s->mb_width , 0, s->mb_num); const int start_xy= s->mb_index2xy[start_i]; const int end_xy = s->mb_index2xy[end_i]; int mask= -1; if(!s->error_resilience) return; mask &= ~VP_START; if(status & (AC_ERROR|AC_END)){ mask &= ~(AC_ERROR|AC_END); s->error_count -= end_i - start_i + 1; if(status & (DC_ERROR|DC_END)){ mask &= ~(DC_ERROR|DC_END); s->error_count -= end_i - start_i + 1; if(status & (MV_ERROR|MV_END)){ mask &= ~(MV_ERROR|MV_END); s->error_count -= end_i - start_i + 1; if(status & (AC_ERROR|DC_ERROR|MV_ERROR)) s->error_count= INT_MAX; if(mask == ~0x7F){ memset(&s->error_status_table[start_xy], 0, (end_xy - start_xy) * sizeof(uint8_t)); }else{ int i; for(i=start_xy; i<end_xy; i++){ s->error_status_table[ i ] &= mask; if(end_i == s->mb_num) s->error_count= INT_MAX; else{ s->error_status_table[end_xy] &= mask; s->error_status_table[end_xy] |= status; s->error_status_table[start_xy] |= VP_START; if(start_xy > 0 && s->avctx->thread_count <= 1 && s->avctx->skip_top*s->mb_width < start_i){ int prev_status= s->error_status_table[ s->mb_index2xy[start_i - 1] ]; prev_status &= ~ VP_START; if(prev_status != (MV_END|DC_END|AC_END)) s->error_count= INT_MAX; | 18,443 |
0 | static int rtsp_parse_request(HTTPContext *c) { const char *p, *p1, *p2; char cmd[32]; char url[1024]; char protocol[32]; char line[1024]; int len; RTSPMessageHeader header1 = { 0 }, *header = &header1; c->buffer_ptr[0] = '\0'; p = c->buffer; get_word(cmd, sizeof(cmd), &p); get_word(url, sizeof(url), &p); get_word(protocol, sizeof(protocol), &p); av_strlcpy(c->method, cmd, sizeof(c->method)); av_strlcpy(c->url, url, sizeof(c->url)); av_strlcpy(c->protocol, protocol, sizeof(c->protocol)); if (avio_open_dyn_buf(&c->pb) < 0) { /* XXX: cannot do more */ c->pb = NULL; /* safety */ return -1; } /* check version name */ if (strcmp(protocol, "RTSP/1.0") != 0) { rtsp_reply_error(c, RTSP_STATUS_VERSION); goto the_end; } /* parse each header line */ /* skip to next line */ while (*p != '\n' && *p != '\0') p++; if (*p == '\n') p++; while (*p != '\0') { p1 = memchr(p, '\n', (char *)c->buffer_ptr - p); if (!p1) break; p2 = p1; if (p2 > p && p2[-1] == '\r') p2--; /* skip empty line */ if (p2 == p) break; len = p2 - p; if (len > sizeof(line) - 1) len = sizeof(line) - 1; memcpy(line, p, len); line[len] = '\0'; ff_rtsp_parse_line(header, line, NULL, NULL); p = p1 + 1; } /* handle sequence number */ c->seq = header->seq; if (!strcmp(cmd, "DESCRIBE")) rtsp_cmd_describe(c, url); else if (!strcmp(cmd, "OPTIONS")) rtsp_cmd_options(c, url); else if (!strcmp(cmd, "SETUP")) rtsp_cmd_setup(c, url, header); else if (!strcmp(cmd, "PLAY")) rtsp_cmd_play(c, url, header); else if (!strcmp(cmd, "PAUSE")) rtsp_cmd_interrupt(c, url, header, 1); else if (!strcmp(cmd, "TEARDOWN")) rtsp_cmd_interrupt(c, url, header, 0); else rtsp_reply_error(c, RTSP_STATUS_METHOD); the_end: len = avio_close_dyn_buf(c->pb, &c->pb_buffer); c->pb = NULL; /* safety */ if (len < 0) { /* XXX: cannot do more */ return -1; } c->buffer_ptr = c->pb_buffer; c->buffer_end = c->pb_buffer + len; c->state = RTSPSTATE_SEND_REPLY; return 0; } | 18,444 |
1 | bdrv_acct_done(BlockDriverState *bs, BlockAcctCookie *cookie) { assert(cookie->type < BDRV_MAX_IOTYPE); bs->stats.nr_bytes[cookie->type] += cookie->bytes; bs->stats.nr_ops[cookie->type]++; bs->stats.total_time_ns[cookie->type] += get_clock() - cookie->start_time_ns; } | 18,445 |
1 | static inline void idct4row(DCTELEM *row) { int c0, c1, c2, c3, a0, a1, a2, a3; //const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; a0 = row[0]; a1 = row[1]; a2 = row[2]; a3 = row[3]; c0 = (a0 + a2)*R3 + (1 << (R_SHIFT - 1)); c2 = (a0 - a2)*R3 + (1 << (R_SHIFT - 1)); c1 = a1 * R1 + a3 * R2; c3 = a1 * R2 - a3 * R1; row[0]= (c0 + c1) >> R_SHIFT; row[1]= (c2 + c3) >> R_SHIFT; row[2]= (c2 - c3) >> R_SHIFT; row[3]= (c0 - c1) >> R_SHIFT; } | 18,446 |
1 | static void dump_stream_format(AVFormatContext *ic, int i, int index, int is_output) { char buf[256]; int flags = (is_output ? ic->oformat->flags : ic->iformat->flags); AVStream *st = ic->streams[i]; int g = av_gcd(st->time_base.num, st->time_base.den); AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0); avcodec_string(buf, sizeof(buf), st->codec, is_output); av_log(NULL, AV_LOG_INFO, " Stream #%d:%d", index, i); /* the pid is an important information, so we display it */ /* XXX: add a generic system */ if (flags & AVFMT_SHOW_IDS) av_log(NULL, AV_LOG_INFO, "[0x%x]", st->id); if (lang) av_log(NULL, AV_LOG_INFO, "(%s)", lang->value); av_log(NULL, AV_LOG_DEBUG, ", %d, %d/%d", st->codec_info_nb_frames, st->time_base.num / g, st->time_base.den / g); av_log(NULL, AV_LOG_INFO, ": %s", buf); if (st->sample_aspect_ratio.num && // default av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)) { AVRational display_aspect_ratio; av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, st->codec->width * st->sample_aspect_ratio.num, st->codec->height * st->sample_aspect_ratio.den, 1024 * 1024); av_log(NULL, AV_LOG_INFO, ", SAR %d:%d DAR %d:%d", st->sample_aspect_ratio.num, st->sample_aspect_ratio.den, display_aspect_ratio.num, display_aspect_ratio.den); } if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { if (st->avg_frame_rate.den && st->avg_frame_rate.num) print_fps(av_q2d(st->avg_frame_rate), "fps"); #if FF_API_R_FRAME_RATE if (st->r_frame_rate.den && st->r_frame_rate.num) print_fps(av_q2d(st->r_frame_rate), "tbr"); #endif if (st->time_base.den && st->time_base.num) print_fps(1 / av_q2d(st->time_base), "tbn"); if (st->codec->time_base.den && st->codec->time_base.num) print_fps(1 / av_q2d(st->codec->time_base), "tbc"); } if (st->disposition & AV_DISPOSITION_DEFAULT) av_log(NULL, AV_LOG_INFO, " (default)"); if (st->disposition & AV_DISPOSITION_DUB) av_log(NULL, AV_LOG_INFO, " (dub)"); if (st->disposition & AV_DISPOSITION_ORIGINAL) av_log(NULL, AV_LOG_INFO, " (original)"); if (st->disposition & AV_DISPOSITION_COMMENT) av_log(NULL, AV_LOG_INFO, " (comment)"); if (st->disposition & AV_DISPOSITION_LYRICS) av_log(NULL, AV_LOG_INFO, " (lyrics)"); if (st->disposition & AV_DISPOSITION_KARAOKE) av_log(NULL, AV_LOG_INFO, " (karaoke)"); if (st->disposition & AV_DISPOSITION_FORCED) av_log(NULL, AV_LOG_INFO, " (forced)"); if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED) av_log(NULL, AV_LOG_INFO, " (hearing impaired)"); if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED) av_log(NULL, AV_LOG_INFO, " (visual impaired)"); if (st->disposition & AV_DISPOSITION_CLEAN_EFFECTS) av_log(NULL, AV_LOG_INFO, " (clean effects)"); av_log(NULL, AV_LOG_INFO, "\n"); dump_metadata(NULL, st->metadata, " "); dump_sidedata(NULL, st, " "); } | 18,448 |
1 | int rom_load_all(void) { target_phys_addr_t addr = 0; int memtype; Rom *rom; QTAILQ_FOREACH(rom, &roms, next) { if (addr < rom->min) addr = rom->min; if (rom->max) { /* load address range */ if (rom->align) { addr += (rom->align-1); addr &= ~(rom->align-1); } if (addr + rom->romsize > rom->max) { fprintf(stderr, "rom: out of memory (rom %s, " "addr 0x" TARGET_FMT_plx ", size 0x%zx, max 0x" TARGET_FMT_plx ")\n", rom->name, addr, rom->romsize, rom->max); return -1; } } else { /* fixed address requested */ if (addr != rom->min) { fprintf(stderr, "rom: requested regions overlap " "(rom %s. free=0x" TARGET_FMT_plx ", addr=0x" TARGET_FMT_plx ")\n", rom->name, addr, rom->min); return -1; } } rom->addr = addr; addr += rom->romsize; memtype = cpu_get_physical_page_desc(rom->addr) & (3 << IO_MEM_SHIFT); if (memtype == IO_MEM_ROM) rom->isrom = 1; } qemu_register_reset(rom_reset, NULL); roms_loaded = 1; return 0; } | 18,449 |
1 | static uint32_t vmsvga_value_read(void *opaque, uint32_t address) { uint32_t caps; struct vmsvga_state_s *s = opaque; DisplaySurface *surface = qemu_console_surface(s->vga.con); uint32_t ret; switch (s->index) { case SVGA_REG_ID: ret = s->svgaid; break; case SVGA_REG_ENABLE: ret = s->enable; break; case SVGA_REG_WIDTH: ret = surface_width(surface); break; case SVGA_REG_HEIGHT: ret = surface_height(surface); break; case SVGA_REG_MAX_WIDTH: ret = SVGA_MAX_WIDTH; break; case SVGA_REG_MAX_HEIGHT: ret = SVGA_MAX_HEIGHT; break; case SVGA_REG_DEPTH: ret = s->depth; break; case SVGA_REG_BITS_PER_PIXEL: ret = (s->depth + 7) & ~7; break; case SVGA_REG_PSEUDOCOLOR: ret = 0x0; break; case SVGA_REG_RED_MASK: ret = surface->pf.rmask; break; case SVGA_REG_GREEN_MASK: ret = surface->pf.gmask; break; case SVGA_REG_BLUE_MASK: ret = surface->pf.bmask; break; case SVGA_REG_BYTES_PER_LINE: ret = s->bypp * s->new_width; break; case SVGA_REG_FB_START: { struct pci_vmsvga_state_s *pci_vmsvga = container_of(s, struct pci_vmsvga_state_s, chip); ret = pci_get_bar_addr(&pci_vmsvga->card, 1); break; } case SVGA_REG_FB_OFFSET: ret = 0x0; break; case SVGA_REG_VRAM_SIZE: ret = s->vga.vram_size; /* No physical VRAM besides the framebuffer */ break; case SVGA_REG_FB_SIZE: ret = s->vga.vram_size; break; case SVGA_REG_CAPABILITIES: caps = SVGA_CAP_NONE; #ifdef HW_RECT_ACCEL caps |= SVGA_CAP_RECT_COPY; #endif #ifdef HW_FILL_ACCEL caps |= SVGA_CAP_RECT_FILL; #endif #ifdef HW_MOUSE_ACCEL if (dpy_cursor_define_supported(s->vga.con)) { caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 | SVGA_CAP_CURSOR_BYPASS; } #endif ret = caps; break; case SVGA_REG_MEM_START: { struct pci_vmsvga_state_s *pci_vmsvga = container_of(s, struct pci_vmsvga_state_s, chip); ret = pci_get_bar_addr(&pci_vmsvga->card, 2); break; } case SVGA_REG_MEM_SIZE: ret = s->fifo_size; break; case SVGA_REG_CONFIG_DONE: ret = s->config; break; case SVGA_REG_SYNC: case SVGA_REG_BUSY: ret = s->syncing; break; case SVGA_REG_GUEST_ID: ret = s->guest; break; case SVGA_REG_CURSOR_ID: ret = s->cursor.id; break; case SVGA_REG_CURSOR_X: ret = s->cursor.x; break; case SVGA_REG_CURSOR_Y: ret = s->cursor.x; break; case SVGA_REG_CURSOR_ON: ret = s->cursor.on; break; case SVGA_REG_HOST_BITS_PER_PIXEL: ret = (s->depth + 7) & ~7; break; case SVGA_REG_SCRATCH_SIZE: ret = s->scratch_size; break; case SVGA_REG_MEM_REGS: case SVGA_REG_NUM_DISPLAYS: case SVGA_REG_PITCHLOCK: case SVGA_PALETTE_BASE ... SVGA_PALETTE_END: ret = 0; break; default: if (s->index >= SVGA_SCRATCH_BASE && s->index < SVGA_SCRATCH_BASE + s->scratch_size) { ret = s->scratch[s->index - SVGA_SCRATCH_BASE]; break; } printf("%s: Bad register %02x\n", __func__, s->index); ret = 0; break; } if (s->index >= SVGA_SCRATCH_BASE) { trace_vmware_scratch_read(s->index, ret); } else if (s->index >= SVGA_PALETTE_BASE) { trace_vmware_palette_read(s->index, ret); } else { trace_vmware_value_read(s->index, ret); } return ret; } | 18,450 |
1 | static uint32_t pxa2xx_gpio_read(void *opaque, target_phys_addr_t offset) { struct pxa2xx_gpio_info_s *s = (struct pxa2xx_gpio_info_s *) opaque; uint32_t ret; int bank; offset -= s->base; if (offset >= 0x200) return 0; bank = pxa2xx_gpio_regs[offset].bank; switch (pxa2xx_gpio_regs[offset].reg) { case GPDR: /* GPIO Pin-Direction registers */ return s->dir[bank]; case GRER: /* GPIO Rising-Edge Detect Enable registers */ return s->rising[bank]; case GFER: /* GPIO Falling-Edge Detect Enable registers */ return s->falling[bank]; case GAFR_L: /* GPIO Alternate Function registers */ return s->gafr[bank * 2]; case GAFR_U: /* GPIO Alternate Function registers */ return s->gafr[bank * 2 + 1]; case GPLR: /* GPIO Pin-Level registers */ ret = (s->olevel[bank] & s->dir[bank]) | (s->ilevel[bank] & ~s->dir[bank]); if (s->read_notify) s->read_notify(s->opaque); return ret; case GEDR: /* GPIO Edge Detect Status registers */ return s->status[bank]; default: cpu_abort(cpu_single_env, "%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset); } return 0; } | 18,452 |
1 | void rgb24tobgr32(const uint8_t *src, uint8_t *dst, unsigned int src_size) { unsigned i; for(i=0; 3*i<src_size; i++) { dst[4*i + 0] = src[3*i + 2]; dst[4*i + 1] = src[3*i + 1]; dst[4*i + 2] = src[3*i + 0]; dst[4*i + 3] = 0; } } | 18,453 |
1 | int qcrypto_init(Error **errp) { #ifdef CONFIG_GNUTLS int ret; ret = gnutls_global_init(); if (ret < 0) { error_setg(errp, "Unable to initialize GNUTLS library: %s", gnutls_strerror(ret)); return -1; } #ifdef DEBUG_GNUTLS gnutls_global_set_log_level(10); gnutls_global_set_log_function(qcrypto_gnutls_log); #endif #endif #ifdef CONFIG_GCRYPT if (!gcry_check_version(GCRYPT_VERSION)) { error_setg(errp, "Unable to initialize gcrypt"); return -1; } #ifdef QCRYPTO_INIT_GCRYPT_THREADS gcry_control(GCRYCTL_SET_THREAD_CBS, &qcrypto_gcrypt_thread_impl); #endif /* QCRYPTO_INIT_GCRYPT_THREADS */ gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0); #endif return 0; } | 18,454 |
1 | libAVFilter_QueryVendorInfo(libAVFilter *this, wchar_t **info) { dshowdebug("libAVFilter_QueryVendorInfo(%p)\n", this); if (!info) return E_POINTER; *info = wcsdup(L"libAV"); return S_OK; } | 18,455 |
1 | static int compute_mb_distortion(CinepakEncContext *s, AVPicture *a, AVPicture *b) { int x, y, p, d, ret = 0; for(y = 0; y < MB_SIZE; y++) { for(x = 0; x < MB_SIZE; x++) { d = a->data[0][x + y*a->linesize[0]] - b->data[0][x + y*b->linesize[0]]; ret += d*d; } } if(s->pix_fmt == AV_PIX_FMT_YUV420P) { for(p = 1; p <= 2; p++) { for(y = 0; y < MB_SIZE/2; y++) { for(x = 0; x < MB_SIZE/2; x++) { d = a->data[p][x + y*a->linesize[p]] - b->data[p][x + y*b->linesize[p]]; ret += d*d; } } } } return ret; } | 18,456 |
1 | static VirtIOSerialBus *virtser_bus_new(DeviceState *dev) { VirtIOSerialBus *bus; bus = FROM_QBUS(VirtIOSerialBus, qbus_create(&virtser_bus_info, dev, NULL)); bus->qbus.allow_hotplug = 1; return bus; } | 18,458 |
1 | static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr) { VP8Context *s = avctx->priv_data; VP8ThreadData *td = &s->thread_data[jobnr]; VP8ThreadData *next_td = NULL, *prev_td = NULL; VP8Frame *curframe = s->curframe; int mb_y, num_jobs = s->num_jobs; td->thread_nr = threadnr; for (mb_y = jobnr; mb_y < s->mb_height; mb_y += num_jobs) { if (mb_y >= s->mb_height) break; td->thread_mb_pos = mb_y << 16; vp8_decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr); if (s->deblock_filter) vp8_filter_mb_row(avctx, tdata, jobnr, threadnr); update_pos(td, mb_y, INT_MAX & 0xFFFF); s->mv_min.y -= 64; s->mv_max.y -= 64; if (avctx->active_thread_type == FF_THREAD_FRAME) ff_thread_report_progress(&curframe->tf, mb_y, 0); } return 0; } | 18,459 |
1 | void rgb24tobgr32(const uint8_t *src, uint8_t *dst, long src_size) { long i; for(i=0; 3*i<src_size; i++) { #ifdef WORDS_BIGENDIAN /* RGB24 (= R,G,B) -> BGR32 (= A,R,G,B) */ dst[4*i + 0] = 0; dst[4*i + 1] = src[3*i + 0]; dst[4*i + 2] = src[3*i + 1]; dst[4*i + 3] = src[3*i + 2]; #else dst[4*i + 0] = src[3*i + 2]; dst[4*i + 1] = src[3*i + 1]; dst[4*i + 2] = src[3*i + 0]; dst[4*i + 3] = 0; #endif } } | 18,460 |
1 | static int ea_read_packet(AVFormatContext *s, AVPacket *pkt) { EaDemuxContext *ea = s->priv_data; ByteIOContext *pb = s->pb; int ret = 0; int packet_read = 0; unsigned int chunk_type, chunk_size; int key = 0; int av_uninit(num_samples); while (!packet_read) { chunk_type = get_le32(pb); chunk_size = (ea->big_endian ? get_be32(pb) : get_le32(pb)) - 8; switch (chunk_type) { /* audio data */ case ISNh_TAG: /* header chunk also contains data; skip over the header portion*/ url_fskip(pb, 32); chunk_size -= 32; case ISNd_TAG: case SCDl_TAG: case SNDC_TAG: case SDEN_TAG: if (!ea->audio_codec) { url_fskip(pb, chunk_size); break; } else if (ea->audio_codec == CODEC_ID_PCM_S16LE_PLANAR || ea->audio_codec == CODEC_ID_MP3) { num_samples = get_le32(pb); url_fskip(pb, 8); chunk_size -= 12; } ret = av_get_packet(pb, pkt, chunk_size); if (ret != chunk_size) ret = AVERROR(EIO); else { pkt->stream_index = ea->audio_stream_index; pkt->pts = 90000; pkt->pts *= ea->audio_frame_counter; pkt->pts /= ea->sample_rate; switch (ea->audio_codec) { case CODEC_ID_ADPCM_EA: /* 2 samples/byte, 1 or 2 samples per frame depending * on stereo; chunk also has 12-byte header */ ea->audio_frame_counter += ((chunk_size - 12) * 2) / ea->num_channels; break; case CODEC_ID_PCM_S16LE_PLANAR: case CODEC_ID_MP3: ea->audio_frame_counter += num_samples; break; default: ea->audio_frame_counter += chunk_size / (ea->bytes * ea->num_channels); } } packet_read = 1; break; /* ending tag */ case 0: case ISNe_TAG: case SCEl_TAG: case SEND_TAG: case SEEN_TAG: ret = AVERROR(EIO); packet_read = 1; break; case MVIh_TAG: case kVGT_TAG: case pQGT_TAG: case TGQs_TAG: key = PKT_FLAG_KEY; case MVIf_TAG: case fVGT_TAG: url_fseek(pb, -8, SEEK_CUR); // include chunk preamble chunk_size += 8; goto get_video_packet; case mTCD_TAG: url_fseek(pb, 8, SEEK_CUR); // skip ea dct header chunk_size -= 8; goto get_video_packet; case MV0K_TAG: case MPCh_TAG: case pIQT_TAG: key = PKT_FLAG_KEY; case MV0F_TAG: get_video_packet: ret = av_get_packet(pb, pkt, chunk_size); if (ret != chunk_size) ret = AVERROR_IO; else { pkt->stream_index = ea->video_stream_index; pkt->flags |= key; } packet_read = 1; break; default: url_fseek(pb, chunk_size, SEEK_CUR); break; } } return ret; } | 18,461 |
0 | static void decode_interframe_v4a(AVCodecContext *avctx, uint8_t *src, uint32_t size) { Hnm4VideoContext *hnm = avctx->priv_data; GetByteContext gb; uint32_t writeoffset = 0, offset; uint8_t tag, count, previous, delta; bytestream2_init(&gb, src, size); while (bytestream2_tell(&gb) < size) { count = bytestream2_peek_byte(&gb) & 0x3F; if (count == 0) { tag = bytestream2_get_byte(&gb) & 0xC0; tag = tag >> 6; if (tag == 0) { writeoffset += bytestream2_get_byte(&gb); } else if (tag == 1) { if (writeoffset + hnm->width >= hnm->width * hnm->height) { av_log(avctx, AV_LOG_ERROR, "writeoffset out of bounds\n"); break; } hnm->current[writeoffset] = bytestream2_get_byte(&gb); hnm->current[writeoffset + hnm->width] = bytestream2_get_byte(&gb); writeoffset++; } else if (tag == 2) { writeoffset += hnm->width; } else if (tag == 3) { break; } if (writeoffset > hnm->width * hnm->height) { av_log(avctx, AV_LOG_ERROR, "writeoffset out of bounds\n"); break; } } else { delta = bytestream2_peek_byte(&gb) & 0x80; previous = bytestream2_peek_byte(&gb) & 0x40; bytestream2_skip(&gb, 1); offset = writeoffset; offset += bytestream2_get_le16(&gb); if (delta) offset -= 0x10000; if (offset + hnm->width + count >= hnm->width * hnm->height) { av_log(avctx, AV_LOG_ERROR, "Attempting to read out of bounds\n"); break; } else if (writeoffset + hnm->width + count >= hnm->width * hnm->height) { av_log(avctx, AV_LOG_ERROR, "Attempting to write out of bounds\n"); break; } if (previous) { while (count > 0) { hnm->current[writeoffset] = hnm->previous[offset]; hnm->current[writeoffset + hnm->width] = hnm->previous[offset + hnm->width]; writeoffset++; offset++; count--; } } else { while (count > 0) { hnm->current[writeoffset] = hnm->current[offset]; hnm->current[writeoffset + hnm->width] = hnm->current[offset + hnm->width]; writeoffset++; offset++; count--; } } } } } | 18,463 |
0 | static void roqvideo_decode_frame(RoqContext *ri) { unsigned int chunk_id = 0, chunk_arg = 0; unsigned long chunk_size = 0; int i, j, k, nv1, nv2, vqflg = 0, vqflg_pos = -1; int vqid, bpos, xpos, ypos, xp, yp, x, y, mx, my; int frame_stats[2][4] = {{0},{0}}; roq_qcell *qcell; const unsigned char *buf = ri->buf; const unsigned char *buf_end = ri->buf + ri->size; while (buf < buf_end) { chunk_id = bytestream_get_le16(&buf); chunk_size = bytestream_get_le32(&buf); chunk_arg = bytestream_get_le16(&buf); if(chunk_id == RoQ_QUAD_VQ) break; if(chunk_id == RoQ_QUAD_CODEBOOK) { if((nv1 = chunk_arg >> 8) == 0) nv1 = 256; if((nv2 = chunk_arg & 0xff) == 0 && nv1 * 6 < chunk_size) nv2 = 256; for(i = 0; i < nv1; i++) { ri->cb2x2[i].y[0] = *buf++; ri->cb2x2[i].y[1] = *buf++; ri->cb2x2[i].y[2] = *buf++; ri->cb2x2[i].y[3] = *buf++; ri->cb2x2[i].u = *buf++; ri->cb2x2[i].v = *buf++; } for(i = 0; i < nv2; i++) for(j = 0; j < 4; j++) ri->cb4x4[i].idx[j] = *buf++; } } bpos = xpos = ypos = 0; if (chunk_size > buf_end - buf) { av_log(ri->avctx, AV_LOG_ERROR, "Chunk does not fit in input buffer\n"); chunk_size = buf_end - buf; } while(bpos < chunk_size) { for (yp = ypos; yp < ypos + 16; yp += 8) for (xp = xpos; xp < xpos + 16; xp += 8) { if (bpos >= chunk_size) { av_log(ri->avctx, AV_LOG_ERROR, "Input buffer too small\n"); return; } if (vqflg_pos < 0) { vqflg = buf[bpos++]; vqflg |= (buf[bpos++] << 8); vqflg_pos = 7; } vqid = (vqflg >> (vqflg_pos * 2)) & 0x3; frame_stats[0][vqid]++; vqflg_pos--; switch(vqid) { case RoQ_ID_MOT: break; case RoQ_ID_FCC: mx = 8 - (buf[bpos] >> 4) - ((signed char) (chunk_arg >> 8)); my = 8 - (buf[bpos++] & 0xf) - ((signed char) chunk_arg); ff_apply_motion_8x8(ri, xp, yp, mx, my); break; case RoQ_ID_SLD: qcell = ri->cb4x4 + buf[bpos++]; ff_apply_vector_4x4(ri, xp, yp, ri->cb2x2 + qcell->idx[0]); ff_apply_vector_4x4(ri, xp+4, yp, ri->cb2x2 + qcell->idx[1]); ff_apply_vector_4x4(ri, xp, yp+4, ri->cb2x2 + qcell->idx[2]); ff_apply_vector_4x4(ri, xp+4, yp+4, ri->cb2x2 + qcell->idx[3]); break; case RoQ_ID_CCC: for (k = 0; k < 4; k++) { x = xp; y = yp; if(k & 0x01) x += 4; if(k & 0x02) y += 4; if (bpos >= chunk_size) { av_log(ri->avctx, AV_LOG_ERROR, "Input buffer too small\n"); return; } if (vqflg_pos < 0) { vqflg = buf[bpos++]; vqflg |= (buf[bpos++] << 8); vqflg_pos = 7; } vqid = (vqflg >> (vqflg_pos * 2)) & 0x3; frame_stats[1][vqid]++; vqflg_pos--; switch(vqid) { case RoQ_ID_MOT: break; case RoQ_ID_FCC: mx = 8 - (buf[bpos] >> 4) - ((signed char) (chunk_arg >> 8)); my = 8 - (buf[bpos++] & 0xf) - ((signed char) chunk_arg); ff_apply_motion_4x4(ri, x, y, mx, my); break; case RoQ_ID_SLD: qcell = ri->cb4x4 + buf[bpos++]; ff_apply_vector_2x2(ri, x, y, ri->cb2x2 + qcell->idx[0]); ff_apply_vector_2x2(ri, x+2, y, ri->cb2x2 + qcell->idx[1]); ff_apply_vector_2x2(ri, x, y+2, ri->cb2x2 + qcell->idx[2]); ff_apply_vector_2x2(ri, x+2, y+2, ri->cb2x2 + qcell->idx[3]); break; case RoQ_ID_CCC: ff_apply_vector_2x2(ri, x, y, ri->cb2x2 + buf[bpos]); ff_apply_vector_2x2(ri, x+2, y, ri->cb2x2 + buf[bpos+1]); ff_apply_vector_2x2(ri, x, y+2, ri->cb2x2 + buf[bpos+2]); ff_apply_vector_2x2(ri, x+2, y+2, ri->cb2x2 + buf[bpos+3]); bpos += 4; break; } } break; default: av_log(ri->avctx, AV_LOG_ERROR, "Unknown vq code: %d\n", vqid); } } xpos += 16; if (xpos >= ri->width) { xpos -= ri->width; ypos += 16; } if(ypos >= ri->height) break; } } | 18,465 |
0 | static void build_udp_url(char *buf, int buf_size, const char *hostname, int port, int local_port, int ttl) { snprintf(buf, buf_size, "udp://%s:%d", hostname, port); if (local_port >= 0) url_add_option(buf, buf_size, "localport=%d", local_port); if (ttl >= 0) url_add_option(buf, buf_size, "ttl=%d", ttl); } | 18,466 |
0 | static av_cold int wavpack_encode_init(AVCodecContext *avctx) { WavPackEncodeContext *s = avctx->priv_data; s->avctx = avctx; if (!avctx->frame_size) { int block_samples; if (!(avctx->sample_rate & 1)) block_samples = avctx->sample_rate / 2; else block_samples = avctx->sample_rate; while (block_samples * avctx->channels > 150000) block_samples /= 2; while (block_samples * avctx->channels < 40000) block_samples *= 2; avctx->frame_size = block_samples; } else if (avctx->frame_size && (avctx->frame_size < 128 || avctx->frame_size > WV_MAX_SAMPLES)) { av_log(avctx, AV_LOG_ERROR, "invalid block size: %d\n", avctx->frame_size); return AVERROR(EINVAL); } if (avctx->compression_level != FF_COMPRESSION_DEFAULT) { if (avctx->compression_level >= 3) { s->decorr_filter = 3; s->num_passes = 9; if (avctx->compression_level >= 8) { s->num_branches = 4; s->extra_flags = EXTRA_TRY_DELTAS|EXTRA_ADJUST_DELTAS|EXTRA_SORT_FIRST|EXTRA_SORT_LAST|EXTRA_BRANCHES; } else if (avctx->compression_level >= 7) { s->num_branches = 3; s->extra_flags = EXTRA_TRY_DELTAS|EXTRA_ADJUST_DELTAS|EXTRA_SORT_FIRST|EXTRA_BRANCHES; } else if (avctx->compression_level >= 6) { s->num_branches = 2; s->extra_flags = EXTRA_TRY_DELTAS|EXTRA_ADJUST_DELTAS|EXTRA_SORT_FIRST|EXTRA_BRANCHES; } else if (avctx->compression_level >= 5) { s->num_branches = 1; s->extra_flags = EXTRA_TRY_DELTAS|EXTRA_ADJUST_DELTAS|EXTRA_SORT_FIRST|EXTRA_BRANCHES; } else if (avctx->compression_level >= 4) { s->num_branches = 1; s->extra_flags = EXTRA_TRY_DELTAS|EXTRA_ADJUST_DELTAS|EXTRA_BRANCHES; } } else if (avctx->compression_level == 2) { s->decorr_filter = 2; s->num_passes = 4; } else if (avctx->compression_level == 1) { s->decorr_filter = 1; s->num_passes = 2; } else if (avctx->compression_level < 1) { s->decorr_filter = 0; s->num_passes = 0; } } s->num_decorrs = decorr_filter_sizes[s->decorr_filter]; s->decorr_specs = decorr_filters[s->decorr_filter]; s->delta_decay = 2.0; return 0; } | 18,467 |
0 | static int sub2video_prepare(InputStream *ist) { AVFormatContext *avf = input_files[ist->file_index]->ctx; int i, w, h; /* Compute the size of the canvas for the subtitles stream. If the subtitles codec has set a size, use it. Otherwise use the maximum dimensions of the video streams in the same file. */ w = ist->dec_ctx->width; h = ist->dec_ctx->height; if (!(w && h)) { for (i = 0; i < avf->nb_streams; i++) { if (avf->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) { w = FFMAX(w, avf->streams[i]->codec->width); h = FFMAX(h, avf->streams[i]->codec->height); } } if (!(w && h)) { w = FFMAX(w, 720); h = FFMAX(h, 576); } av_log(avf, AV_LOG_INFO, "sub2video: using %dx%d canvas\n", w, h); } ist->sub2video.w = ist->dec_ctx->width = ist->resample_width = w; ist->sub2video.h = ist->dec_ctx->height = ist->resample_height = h; /* rectangles are AV_PIX_FMT_PAL8, but we have no guarantee that the palettes for all rectangles are identical or compatible */ ist->resample_pix_fmt = ist->dec_ctx->pix_fmt = AV_PIX_FMT_RGB32; ist->sub2video.frame = av_frame_alloc(); if (!ist->sub2video.frame) return AVERROR(ENOMEM); ist->sub2video.last_pts = INT64_MIN; return 0; } | 18,468 |
1 | static int arm946_prbs_read(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t *value) { if (ri->crm > 8) { return EXCP_UDEF; } *value = env->cp15.c6_region[ri->crm]; return 0; } | 18,469 |
1 | static int compat_read(AVFilterContext *ctx, AVFilterBufferRef **pbuf, int nb_samples) { AVFilterBufferRef *buf; AVFrame *frame; int ret; if (!pbuf) return ff_poll_frame(ctx->inputs[0]); frame = av_frame_alloc(); if (!frame) return AVERROR(ENOMEM); if (!nb_samples) ret = av_buffersink_get_frame(ctx, frame); else ret = av_buffersink_get_samples(ctx, frame, nb_samples); if (ret < 0) goto fail; if (ctx->inputs[0]->type == AVMEDIA_TYPE_VIDEO) { buf = avfilter_get_video_buffer_ref_from_arrays(frame->data, frame->linesize, AV_PERM_READ, frame->width, frame->height, frame->format); } else { buf = avfilter_get_audio_buffer_ref_from_arrays(frame->extended_data, frame->linesize[0], AV_PERM_READ, frame->nb_samples, frame->format, frame->channel_layout); } if (!buf) { ret = AVERROR(ENOMEM); goto fail; } avfilter_copy_frame_props(buf, frame); buf->buf->priv = frame; buf->buf->free = compat_free_buffer; *pbuf = buf; return 0; fail: av_frame_free(&frame); return ret; } | 18,470 |
1 | int cpu_ppc_register (CPUPPCState *env, ppc_def_t *def) { env->msr_mask = def->msr_mask; env->mmu_model = def->mmu_model; env->excp_model = def->excp_model; env->bus_model = def->bus_model; env->bfd_mach = def->bfd_mach; if (create_ppc_opcodes(env, def) < 0) return -1; init_ppc_proc(env, def); #if defined(PPC_DUMP_CPU) { const unsigned char *mmu_model, *excp_model, *bus_model; switch (env->mmu_model) { case POWERPC_MMU_32B: mmu_model = "PowerPC 32"; break; case POWERPC_MMU_601: mmu_model = "PowerPC 601"; break; case POWERPC_MMU_SOFT_6xx: mmu_model = "PowerPC 6xx/7xx with software driven TLBs"; break; case POWERPC_MMU_SOFT_74xx: mmu_model = "PowerPC 74xx with software driven TLBs"; break; case POWERPC_MMU_SOFT_4xx: mmu_model = "PowerPC 4xx with software driven TLBs"; break; case POWERPC_MMU_SOFT_4xx_Z: mmu_model = "PowerPC 4xx with software driven TLBs " "and zones protections"; break; case POWERPC_MMU_REAL_4xx: mmu_model = "PowerPC 4xx real mode only"; break; case POWERPC_MMU_BOOKE: mmu_model = "PowerPC BookE"; break; case POWERPC_MMU_BOOKE_FSL: mmu_model = "PowerPC BookE FSL"; break; #if defined (TARGET_PPC64) case POWERPC_MMU_64B: mmu_model = "PowerPC 64"; break; case POWERPC_MMU_64BRIDGE: mmu_model = "PowerPC 64 bridge"; break; #endif default: mmu_model = "Unknown or invalid"; break; } switch (env->excp_model) { case POWERPC_EXCP_STD: excp_model = "PowerPC"; break; case POWERPC_EXCP_40x: excp_model = "PowerPC 40x"; break; case POWERPC_EXCP_601: excp_model = "PowerPC 601"; break; case POWERPC_EXCP_602: excp_model = "PowerPC 602"; break; case POWERPC_EXCP_603: excp_model = "PowerPC 603"; break; case POWERPC_EXCP_603E: excp_model = "PowerPC 603e"; break; case POWERPC_EXCP_604: excp_model = "PowerPC 604"; break; case POWERPC_EXCP_7x0: excp_model = "PowerPC 740/750"; break; case POWERPC_EXCP_7x5: excp_model = "PowerPC 745/755"; break; case POWERPC_EXCP_74xx: excp_model = "PowerPC 74xx"; break; case POWERPC_EXCP_BOOKE: excp_model = "PowerPC BookE"; break; #if defined (TARGET_PPC64) case POWERPC_EXCP_970: excp_model = "PowerPC 970"; break; #endif default: excp_model = "Unknown or invalid"; break; } switch (env->bus_model) { case PPC_FLAGS_INPUT_6xx: bus_model = "PowerPC 6xx"; break; case PPC_FLAGS_INPUT_BookE: bus_model = "PowerPC BookE"; break; case PPC_FLAGS_INPUT_405: bus_model = "PowerPC 405"; break; case PPC_FLAGS_INPUT_401: bus_model = "PowerPC 401/403"; break; #if defined (TARGET_PPC64) case PPC_FLAGS_INPUT_970: bus_model = "PowerPC 970"; break; #endif default: bus_model = "Unknown or invalid"; break; } printf("PowerPC %-12s : PVR %08x MSR %016" PRIx64 "\n" " MMU model : %s\n", def->name, def->pvr, def->msr_mask, mmu_model); if (env->tlb != NULL) { printf(" %d %s TLB in %d ways\n", env->nb_tlb, env->id_tlbs ? "splitted" : "merged", env->nb_ways); } printf(" Exceptions model : %s\n" " Bus model : %s\n", excp_model, bus_model); } dump_ppc_insns(env); dump_ppc_sprs(env); fflush(stdout); #endif return 0; } | 18,471 |
1 | static uint64_t unin_data_read(void *opaque, hwaddr addr, unsigned len) { UNINState *s = opaque; PCIHostState *phb = PCI_HOST_BRIDGE(s); uint32_t val; val = pci_data_read(phb->bus, unin_get_config_reg(phb->config_reg, addr), len); UNIN_DPRINTF("read addr %" TARGET_FMT_plx " len %d val %x\n", addr, len, val); return val; } | 18,473 |
1 | static void pc_fw_cfg_guest_info(PcGuestInfo *guest_info) { PcRomPciInfo *info; if (!guest_info->has_pci_info || !guest_info->fw_cfg) { return; } info = g_malloc(sizeof *info); info->w32_min = cpu_to_le64(guest_info->pci_info.w32.begin); info->w32_max = cpu_to_le64(guest_info->pci_info.w32.end); info->w64_min = cpu_to_le64(guest_info->pci_info.w64.begin); info->w64_max = cpu_to_le64(guest_info->pci_info.w64.end); /* Pass PCI hole info to guest via a side channel. * Required so guest PCI enumeration does the right thing. */ fw_cfg_add_file(guest_info->fw_cfg, "etc/pci-info", info, sizeof *info); } | 18,475 |
1 | static void set_sel_time(IPMIBmcSim *ibs, uint8_t *cmd, unsigned int cmd_len, uint8_t *rsp, unsigned int *rsp_len, unsigned int max_rsp_len) { uint32_t val; struct ipmi_time now; IPMI_CHECK_CMD_LEN(6); val = cmd[2] | (cmd[3] << 8) | (cmd[4] << 16) | (cmd[5] << 24); ipmi_gettime(&now); ibs->sel.time_offset = now.tv_sec - ((long) val); } | 18,476 |
1 | static inline void vring_used_write(VirtQueue *vq, VRingUsedElem *uelem, int i) { VRingMemoryRegionCaches *caches = atomic_rcu_read(&vq->vring.caches); hwaddr pa = offsetof(VRingUsed, ring[i]); virtio_tswap32s(vq->vdev, &uelem->id); virtio_tswap32s(vq->vdev, &uelem->len); address_space_write_cached(&caches->used, pa, uelem, sizeof(VRingUsedElem)); address_space_cache_invalidate(&caches->used, pa, sizeof(VRingUsedElem)); } | 18,478 |
1 | static void integratorcm_init(int memsz, uint32_t flash_offset) { int iomemtype; integratorcm_state *s; s = (integratorcm_state *)qemu_mallocz(sizeof(integratorcm_state)); s->cm_osc = 0x01000048; /* ??? What should the high bits of this value be? */ s->cm_auxosc = 0x0007feff; s->cm_sdram = 0x00011122; if (memsz >= 256) { integrator_spd[31] = 64; s->cm_sdram |= 0x10; } else if (memsz >= 128) { integrator_spd[31] = 32; s->cm_sdram |= 0x0c; } else if (memsz >= 64) { integrator_spd[31] = 16; s->cm_sdram |= 0x08; } else if (memsz >= 32) { integrator_spd[31] = 4; s->cm_sdram |= 0x04; } else { integrator_spd[31] = 2; } memcpy(integrator_spd + 73, "QEMU-MEMORY", 11); s->cm_init = 0x00000112; s->flash_offset = flash_offset; iomemtype = cpu_register_io_memory(0, integratorcm_readfn, integratorcm_writefn, s); cpu_register_physical_memory(0x10000000, 0x007fffff, iomemtype); integratorcm_do_remap(s, 1); /* ??? Save/restore. */ } | 18,479 |
1 | static int mlib_YUV2ARGB420_32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[]){ if(c->srcFormat == PIX_FMT_YUV422P){ srcStride[1] *= 2; srcStride[2] *= 2; } assert(srcStride[1] == srcStride[2]); mlib_VideoColorYUV2ARGB420(dst[0]+srcSliceY*dstStride[0], src[0], src[1], src[2], c->dstW, srcSliceH, dstStride[0], srcStride[0], srcStride[1]); return srcSliceH; } | 18,480 |
1 | int vp78_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt, int is_vp7) { VP8Context *s = avctx->priv_data; int ret, i, referenced, num_jobs; enum AVDiscard skip_thresh; VP8Frame *av_uninit(curframe), *prev_frame; if (is_vp7) ret = vp7_decode_frame_header(s, avpkt->data, avpkt->size); else ret = vp8_decode_frame_header(s, avpkt->data, avpkt->size); if (ret < 0) goto err; prev_frame = s->framep[VP56_FRAME_CURRENT]; referenced = s->update_last || s->update_golden == VP56_FRAME_CURRENT || s->update_altref == VP56_FRAME_CURRENT; skip_thresh = !referenced ? AVDISCARD_NONREF : !s->keyframe ? AVDISCARD_NONKEY : AVDISCARD_ALL; if (avctx->skip_frame >= skip_thresh) { s->invisible = 1; memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4); goto skip_decode; } s->deblock_filter = s->filter.level && avctx->skip_loop_filter < skip_thresh; // release no longer referenced frames for (i = 0; i < 5; i++) if (s->frames[i].tf.f->data[0] && &s->frames[i] != prev_frame && &s->frames[i] != s->framep[VP56_FRAME_PREVIOUS] && &s->frames[i] != s->framep[VP56_FRAME_GOLDEN] && &s->frames[i] != s->framep[VP56_FRAME_GOLDEN2]) vp8_release_frame(s, &s->frames[i]); curframe = s->framep[VP56_FRAME_CURRENT] = vp8_find_free_buffer(s); if (!s->colorspace) avctx->colorspace = AVCOL_SPC_BT470BG; if (s->fullrange) avctx->color_range = AVCOL_RANGE_JPEG; else avctx->color_range = AVCOL_RANGE_MPEG; /* Given that arithmetic probabilities are updated every frame, it's quite * likely that the values we have on a random interframe are complete * junk if we didn't start decode on a keyframe. So just don't display * anything rather than junk. */ if (!s->keyframe && (!s->framep[VP56_FRAME_PREVIOUS] || !s->framep[VP56_FRAME_GOLDEN] || !s->framep[VP56_FRAME_GOLDEN2])) { av_log(avctx, AV_LOG_WARNING, "Discarding interframe without a prior keyframe!\n"); ret = AVERROR_INVALIDDATA; goto err; } curframe->tf.f->key_frame = s->keyframe; curframe->tf.f->pict_type = s->keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P; if ((ret = vp8_alloc_frame(s, curframe, referenced)) < 0) goto err; // check if golden and altref are swapped if (s->update_altref != VP56_FRAME_NONE) s->next_framep[VP56_FRAME_GOLDEN2] = s->framep[s->update_altref]; else s->next_framep[VP56_FRAME_GOLDEN2] = s->framep[VP56_FRAME_GOLDEN2]; if (s->update_golden != VP56_FRAME_NONE) s->next_framep[VP56_FRAME_GOLDEN] = s->framep[s->update_golden]; else s->next_framep[VP56_FRAME_GOLDEN] = s->framep[VP56_FRAME_GOLDEN]; if (s->update_last) s->next_framep[VP56_FRAME_PREVIOUS] = curframe; else s->next_framep[VP56_FRAME_PREVIOUS] = s->framep[VP56_FRAME_PREVIOUS]; s->next_framep[VP56_FRAME_CURRENT] = curframe; if (avctx->codec->update_thread_context) ff_thread_finish_setup(avctx); s->linesize = curframe->tf.f->linesize[0]; s->uvlinesize = curframe->tf.f->linesize[1]; memset(s->top_nnz, 0, s->mb_width * sizeof(*s->top_nnz)); /* Zero macroblock structures for top/top-left prediction * from outside the frame. */ if (!s->mb_layout) memset(s->macroblocks + s->mb_height * 2 - 1, 0, (s->mb_width + 1) * sizeof(*s->macroblocks)); if (!s->mb_layout && s->keyframe) memset(s->intra4x4_pred_mode_top, DC_PRED, s->mb_width * 4); memset(s->ref_count, 0, sizeof(s->ref_count)); if (s->mb_layout == 1) { // Make sure the previous frame has read its segmentation map, // if we re-use the same map. if (prev_frame && s->segmentation.enabled && !s->segmentation.update_map) ff_thread_await_progress(&prev_frame->tf, 1, 0); if (is_vp7) vp7_decode_mv_mb_modes(avctx, curframe, prev_frame); else vp8_decode_mv_mb_modes(avctx, curframe, prev_frame); } if (avctx->active_thread_type == FF_THREAD_FRAME) num_jobs = 1; else num_jobs = FFMIN(s->num_coeff_partitions, avctx->thread_count); s->num_jobs = num_jobs; s->curframe = curframe; s->prev_frame = prev_frame; s->mv_bounds.mv_min.y = -MARGIN; s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN; for (i = 0; i < MAX_THREADS; i++) { VP8ThreadData *td = &s->thread_data[i]; atomic_init(&td->thread_mb_pos, 0); atomic_init(&td->wait_mb_pos, INT_MAX); } if (is_vp7) avctx->execute2(avctx, vp7_decode_mb_row_sliced, s->thread_data, NULL, num_jobs); else avctx->execute2(avctx, vp8_decode_mb_row_sliced, s->thread_data, NULL, num_jobs); ff_thread_report_progress(&curframe->tf, INT_MAX, 0); memcpy(&s->framep[0], &s->next_framep[0], sizeof(s->framep[0]) * 4); skip_decode: // if future frames don't use the updated probabilities, // reset them to the values we saved if (!s->update_probabilities) s->prob[0] = s->prob[1]; if (!s->invisible) { if ((ret = av_frame_ref(data, curframe->tf.f)) < 0) return ret; *got_frame = 1; } return avpkt->size; err: memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4); return ret; } | 18,482 |
1 | static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, Error **errp) { Error *local_err = NULL; if (error_is_set(errp)) { return; } HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL); if (!thread) { error_set(&local_err, QERR_QGA_COMMAND_FAILED, "failed to dispatch asynchronous command"); error_propagate(errp, local_err); } } | 18,483 |
1 | static void spr_read_tbu(DisasContext *ctx, int gprn, int sprn) { if (ctx->tb->cflags & CF_USE_ICOUNT) { gen_io_start(); } gen_helper_load_tbu(cpu_gpr[gprn], cpu_env); if (ctx->tb->cflags & CF_USE_ICOUNT) { gen_io_end(); gen_stop_exception(ctx); } } | 18,484 |
1 | static void vector_fmul_window_mips(float *dst, const float *src0, const float *src1, const float *win, int len) { int i, j; /* * variables used in inline assembler */ float * dst_i, * dst_j, * dst_i2, * dst_j2; float temp, temp1, temp2, temp3, temp4, temp5, temp6, temp7; dst += len; win += len; src0 += len; for (i = -len, j = len - 1; i < 0; i += 8, j -= 8) { dst_i = dst + i; dst_j = dst + j; dst_i2 = dst + i + 4; dst_j2 = dst + j - 4; __asm__ volatile ( "mul.s %[temp], %[s1], %[wi] \n\t" "mul.s %[temp1], %[s1], %[wj] \n\t" "mul.s %[temp2], %[s11], %[wi1] \n\t" "mul.s %[temp3], %[s11], %[wj1] \n\t" "msub.s %[temp], %[temp], %[s0], %[wj] \n\t" "madd.s %[temp1], %[temp1], %[s0], %[wi] \n\t" "msub.s %[temp2], %[temp2], %[s01], %[wj1] \n\t" "madd.s %[temp3], %[temp3], %[s01], %[wi1] \n\t" "swc1 %[temp], 0(%[dst_i]) \n\t" /* dst[i] = s0*wj - s1*wi; */ "swc1 %[temp1], 0(%[dst_j]) \n\t" /* dst[j] = s0*wi + s1*wj; */ "swc1 %[temp2], 4(%[dst_i]) \n\t" /* dst[i+1] = s01*wj1 - s11*wi1; */ "swc1 %[temp3], -4(%[dst_j]) \n\t" /* dst[j-1] = s01*wi1 + s11*wj1; */ "mul.s %[temp4], %[s12], %[wi2] \n\t" "mul.s %[temp5], %[s12], %[wj2] \n\t" "mul.s %[temp6], %[s13], %[wi3] \n\t" "mul.s %[temp7], %[s13], %[wj3] \n\t" "msub.s %[temp4], %[temp4], %[s02], %[wj2] \n\t" "madd.s %[temp5], %[temp5], %[s02], %[wi2] \n\t" "msub.s %[temp6], %[temp6], %[s03], %[wj3] \n\t" "madd.s %[temp7], %[temp7], %[s03], %[wi3] \n\t" "swc1 %[temp4], 8(%[dst_i]) \n\t" /* dst[i+2] = s02*wj2 - s12*wi2; */ "swc1 %[temp5], -8(%[dst_j]) \n\t" /* dst[j-2] = s02*wi2 + s12*wj2; */ "swc1 %[temp6], 12(%[dst_i]) \n\t" /* dst[i+2] = s03*wj3 - s13*wi3; */ "swc1 %[temp7], -12(%[dst_j]) \n\t" /* dst[j-3] = s03*wi3 + s13*wj3; */ : [temp]"=&f"(temp), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2), [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5), [temp6]"=&f"(temp6), [temp7]"=&f"(temp7) : [dst_j]"r"(dst_j), [dst_i]"r" (dst_i), [s0] "f"(src0[i]), [wj] "f"(win[j]), [s1] "f"(src1[j]), [wi] "f"(win[i]), [s01]"f"(src0[i + 1]),[wj1]"f"(win[j - 1]), [s11]"f"(src1[j - 1]), [wi1]"f"(win[i + 1]), [s02]"f"(src0[i + 2]), [wj2]"f"(win[j - 2]), [s12]"f"(src1[j - 2]),[wi2]"f"(win[i + 2]), [s03]"f"(src0[i + 3]), [wj3]"f"(win[j - 3]), [s13]"f"(src1[j - 3]), [wi3]"f"(win[i + 3]) : "memory" ); __asm__ volatile ( "mul.s %[temp], %[s1], %[wi] \n\t" "mul.s %[temp1], %[s1], %[wj] \n\t" "mul.s %[temp2], %[s11], %[wi1] \n\t" "mul.s %[temp3], %[s11], %[wj1] \n\t" "msub.s %[temp], %[temp], %[s0], %[wj] \n\t" "madd.s %[temp1], %[temp1], %[s0], %[wi] \n\t" "msub.s %[temp2], %[temp2], %[s01], %[wj1] \n\t" "madd.s %[temp3], %[temp3], %[s01], %[wi1] \n\t" "swc1 %[temp], 0(%[dst_i2]) \n\t" /* dst[i] = s0*wj - s1*wi; */ "swc1 %[temp1], 0(%[dst_j2]) \n\t" /* dst[j] = s0*wi + s1*wj; */ "swc1 %[temp2], 4(%[dst_i2]) \n\t" /* dst[i+1] = s01*wj1 - s11*wi1; */ "swc1 %[temp3], -4(%[dst_j2]) \n\t" /* dst[j-1] = s01*wi1 + s11*wj1; */ "mul.s %[temp4], %[s12], %[wi2] \n\t" "mul.s %[temp5], %[s12], %[wj2] \n\t" "mul.s %[temp6], %[s13], %[wi3] \n\t" "mul.s %[temp7], %[s13], %[wj3] \n\t" "msub.s %[temp4], %[temp4], %[s02], %[wj2] \n\t" "madd.s %[temp5], %[temp5], %[s02], %[wi2] \n\t" "msub.s %[temp6], %[temp6], %[s03], %[wj3] \n\t" "madd.s %[temp7], %[temp7], %[s03], %[wi3] \n\t" "swc1 %[temp4], 8(%[dst_i2]) \n\t" /* dst[i+2] = s02*wj2 - s12*wi2; */ "swc1 %[temp5], -8(%[dst_j2]) \n\t" /* dst[j-2] = s02*wi2 + s12*wj2; */ "swc1 %[temp6], 12(%[dst_i2]) \n\t" /* dst[i+2] = s03*wj3 - s13*wi3; */ "swc1 %[temp7], -12(%[dst_j2]) \n\t" /* dst[j-3] = s03*wi3 + s13*wj3; */ : [temp]"=&f"(temp), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2), [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5), [temp6]"=&f"(temp6), [temp7] "=&f" (temp7) : [dst_j2]"r"(dst_j2), [dst_i2]"r"(dst_i2), [s0] "f"(src0[i + 4]), [wj] "f"(win[j - 4]), [s1] "f"(src1[j - 4]), [wi] "f"(win[i + 4]), [s01]"f"(src0[i + 5]),[wj1]"f"(win[j - 5]), [s11]"f"(src1[j - 5]), [wi1]"f"(win[i + 5]), [s02]"f"(src0[i + 6]), [wj2]"f"(win[j - 6]), [s12]"f"(src1[j - 6]),[wi2]"f"(win[i + 6]), [s03]"f"(src0[i + 7]), [wj3]"f"(win[j - 7]), [s13]"f"(src1[j - 7]), [wi3]"f"(win[i + 7]) : "memory" ); } } | 18,485 |
1 | static CodeBook unpack_codebook(GetBitContext* gb, unsigned depth, unsigned size) { unsigned i, j; CodeBook cb = { 0 }; if (!can_safely_read(gb, size * 34)) return cb; if (size >= INT_MAX / sizeof(MacroBlock)) return cb; cb.blocks = av_malloc(size ? size * sizeof(MacroBlock) : 1); if (!cb.blocks) return cb; cb.depth = depth; cb.size = size; for (i = 0; i < size; i++) { unsigned mask_bits = get_bits(gb, 4); unsigned color0 = get_bits(gb, 15); unsigned color1 = get_bits(gb, 15); for (j = 0; j < 4; j++) { if (mask_bits & (1 << j)) cb.blocks[i].pixels[j] = color1; else cb.blocks[i].pixels[j] = color0; } } return cb; } | 18,486 |
1 | static inline void RENAME(hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW, int xInc, const int16_t *filter, const int16_t *filterPos, int filterSize) { #if COMPILE_TEMPLATE_MMX assert(filterSize % 4 == 0 && filterSize>0); if (filterSize==4) { // Always true for upscaling, sometimes for down, too. x86_reg counter= -2*dstW; filter-= counter*2; filterPos-= counter/2; dst-= counter/2; __asm__ volatile( #if defined(PIC) "push %%"REG_b" \n\t" #endif "pxor %%mm7, %%mm7 \n\t" "push %%"REG_BP" \n\t" // we use 7 regs here ... "mov %%"REG_a", %%"REG_BP" \n\t" ASMALIGN(4) "1: \n\t" "movzwl (%2, %%"REG_BP"), %%eax \n\t" "movzwl 2(%2, %%"REG_BP"), %%ebx \n\t" "movq (%1, %%"REG_BP", 4), %%mm1 \n\t" "movq 8(%1, %%"REG_BP", 4), %%mm3 \n\t" "movd (%3, %%"REG_a"), %%mm0 \n\t" "movd (%3, %%"REG_b"), %%mm2 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "pmaddwd %%mm1, %%mm0 \n\t" "pmaddwd %%mm2, %%mm3 \n\t" "movq %%mm0, %%mm4 \n\t" "punpckldq %%mm3, %%mm0 \n\t" "punpckhdq %%mm3, %%mm4 \n\t" "paddd %%mm4, %%mm0 \n\t" "psrad $7, %%mm0 \n\t" "packssdw %%mm0, %%mm0 \n\t" "movd %%mm0, (%4, %%"REG_BP") \n\t" "add $4, %%"REG_BP" \n\t" " jnc 1b \n\t" "pop %%"REG_BP" \n\t" #if defined(PIC) "pop %%"REG_b" \n\t" #endif : "+a" (counter) : "c" (filter), "d" (filterPos), "S" (src), "D" (dst) #if !defined(PIC) : "%"REG_b #endif ); } else if (filterSize==8) { x86_reg counter= -2*dstW; filter-= counter*4; filterPos-= counter/2; dst-= counter/2; __asm__ volatile( #if defined(PIC) "push %%"REG_b" \n\t" #endif "pxor %%mm7, %%mm7 \n\t" "push %%"REG_BP" \n\t" // we use 7 regs here ... "mov %%"REG_a", %%"REG_BP" \n\t" ASMALIGN(4) "1: \n\t" "movzwl (%2, %%"REG_BP"), %%eax \n\t" "movzwl 2(%2, %%"REG_BP"), %%ebx \n\t" "movq (%1, %%"REG_BP", 8), %%mm1 \n\t" "movq 16(%1, %%"REG_BP", 8), %%mm3 \n\t" "movd (%3, %%"REG_a"), %%mm0 \n\t" "movd (%3, %%"REG_b"), %%mm2 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "pmaddwd %%mm1, %%mm0 \n\t" "pmaddwd %%mm2, %%mm3 \n\t" "movq 8(%1, %%"REG_BP", 8), %%mm1 \n\t" "movq 24(%1, %%"REG_BP", 8), %%mm5 \n\t" "movd 4(%3, %%"REG_a"), %%mm4 \n\t" "movd 4(%3, %%"REG_b"), %%mm2 \n\t" "punpcklbw %%mm7, %%mm4 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "pmaddwd %%mm1, %%mm4 \n\t" "pmaddwd %%mm2, %%mm5 \n\t" "paddd %%mm4, %%mm0 \n\t" "paddd %%mm5, %%mm3 \n\t" "movq %%mm0, %%mm4 \n\t" "punpckldq %%mm3, %%mm0 \n\t" "punpckhdq %%mm3, %%mm4 \n\t" "paddd %%mm4, %%mm0 \n\t" "psrad $7, %%mm0 \n\t" "packssdw %%mm0, %%mm0 \n\t" "movd %%mm0, (%4, %%"REG_BP") \n\t" "add $4, %%"REG_BP" \n\t" " jnc 1b \n\t" "pop %%"REG_BP" \n\t" #if defined(PIC) "pop %%"REG_b" \n\t" #endif : "+a" (counter) : "c" (filter), "d" (filterPos), "S" (src), "D" (dst) #if !defined(PIC) : "%"REG_b #endif ); } else { const uint8_t *offset = src+filterSize; x86_reg counter= -2*dstW; //filter-= counter*filterSize/2; filterPos-= counter/2; dst-= counter/2; __asm__ volatile( "pxor %%mm7, %%mm7 \n\t" ASMALIGN(4) "1: \n\t" "mov %2, %%"REG_c" \n\t" "movzwl (%%"REG_c", %0), %%eax \n\t" "movzwl 2(%%"REG_c", %0), %%edx \n\t" "mov %5, %%"REG_c" \n\t" "pxor %%mm4, %%mm4 \n\t" "pxor %%mm5, %%mm5 \n\t" "2: \n\t" "movq (%1), %%mm1 \n\t" "movq (%1, %6), %%mm3 \n\t" "movd (%%"REG_c", %%"REG_a"), %%mm0 \n\t" "movd (%%"REG_c", %%"REG_d"), %%mm2 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "pmaddwd %%mm1, %%mm0 \n\t" "pmaddwd %%mm2, %%mm3 \n\t" "paddd %%mm3, %%mm5 \n\t" "paddd %%mm0, %%mm4 \n\t" "add $8, %1 \n\t" "add $4, %%"REG_c" \n\t" "cmp %4, %%"REG_c" \n\t" " jb 2b \n\t" "add %6, %1 \n\t" "movq %%mm4, %%mm0 \n\t" "punpckldq %%mm5, %%mm4 \n\t" "punpckhdq %%mm5, %%mm0 \n\t" "paddd %%mm0, %%mm4 \n\t" "psrad $7, %%mm4 \n\t" "packssdw %%mm4, %%mm4 \n\t" "mov %3, %%"REG_a" \n\t" "movd %%mm4, (%%"REG_a", %0) \n\t" "add $4, %0 \n\t" " jnc 1b \n\t" : "+r" (counter), "+r" (filter) : "m" (filterPos), "m" (dst), "m"(offset), "m" (src), "r" ((x86_reg)filterSize*2) : "%"REG_a, "%"REG_c, "%"REG_d ); } #else #if COMPILE_TEMPLATE_ALTIVEC hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize); #else int i; for (i=0; i<dstW; i++) { int j; int srcPos= filterPos[i]; int val=0; //printf("filterPos: %d\n", filterPos[i]); for (j=0; j<filterSize; j++) { //printf("filter: %d, src: %d\n", filter[i], src[srcPos + j]); val += ((int)src[srcPos + j])*filter[filterSize*i + j]; } //filter += hFilterSize; dst[i] = FFMIN(val>>7, (1<<15)-1); // the cubic equation does overflow ... //dst[i] = val>>7; } #endif /* COMPILE_TEMPLATE_ALTIVEC */ #endif /* COMPILE_MMX */ } | 18,487 |
1 | YUV2PACKED16WRAPPER(yuv2, rgb48, rgb48be, PIX_FMT_RGB48BE) YUV2PACKED16WRAPPER(yuv2, rgb48, rgb48le, PIX_FMT_RGB48LE) YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48be, PIX_FMT_BGR48BE) YUV2PACKED16WRAPPER(yuv2, rgb48, bgr48le, PIX_FMT_BGR48LE) static av_always_inline void yuv2rgb_write(uint8_t *_dest, int i, int Y1, int Y2, int U, int V, int A1, int A2, const void *_r, const void *_g, const void *_b, int y, enum PixelFormat target, int hasAlpha) { if (target == PIX_FMT_ARGB || target == PIX_FMT_RGBA || target == PIX_FMT_ABGR || target == PIX_FMT_BGRA) { uint32_t *dest = (uint32_t *) _dest; const uint32_t *r = (const uint32_t *) _r; const uint32_t *g = (const uint32_t *) _g; const uint32_t *b = (const uint32_t *) _b; #if CONFIG_SMALL int sh = hasAlpha ? ((target == PIX_FMT_RGB32_1 || target == PIX_FMT_BGR32_1) ? 0 : 24) : 0; dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (hasAlpha ? A1 << sh : 0); dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (hasAlpha ? A2 << sh : 0); #else if (hasAlpha) { int sh = (target == PIX_FMT_RGB32_1 || target == PIX_FMT_BGR32_1) ? 0 : 24; dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (A1 << sh); dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (A2 << sh); } else { dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1]; dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2]; } #endif } else if (target == PIX_FMT_RGB24 || target == PIX_FMT_BGR24) { uint8_t *dest = (uint8_t *) _dest; const uint8_t *r = (const uint8_t *) _r; const uint8_t *g = (const uint8_t *) _g; const uint8_t *b = (const uint8_t *) _b; #define r_b ((target == PIX_FMT_RGB24) ? r : b) #define b_r ((target == PIX_FMT_RGB24) ? b : r) dest[i * 6 + 0] = r_b[Y1]; dest[i * 6 + 1] = g[Y1]; dest[i * 6 + 2] = b_r[Y1]; dest[i * 6 + 3] = r_b[Y2]; dest[i * 6 + 4] = g[Y2]; dest[i * 6 + 5] = b_r[Y2]; #undef r_b #undef b_r } else if (target == PIX_FMT_RGB565 || target == PIX_FMT_BGR565 || target == PIX_FMT_RGB555 || target == PIX_FMT_BGR555 || target == PIX_FMT_RGB444 || target == PIX_FMT_BGR444) { uint16_t *dest = (uint16_t *) _dest; const uint16_t *r = (const uint16_t *) _r; const uint16_t *g = (const uint16_t *) _g; const uint16_t *b = (const uint16_t *) _b; int dr1, dg1, db1, dr2, dg2, db2; if (target == PIX_FMT_RGB565 || target == PIX_FMT_BGR565) { dr1 = dither_2x2_8[ y & 1 ][0]; dg1 = dither_2x2_4[ y & 1 ][0]; db1 = dither_2x2_8[(y & 1) ^ 1][0]; dr2 = dither_2x2_8[ y & 1 ][1]; dg2 = dither_2x2_4[ y & 1 ][1]; db2 = dither_2x2_8[(y & 1) ^ 1][1]; } else if (target == PIX_FMT_RGB555 || target == PIX_FMT_BGR555) { dr1 = dither_2x2_8[ y & 1 ][0]; dg1 = dither_2x2_8[ y & 1 ][1]; db1 = dither_2x2_8[(y & 1) ^ 1][0]; dr2 = dither_2x2_8[ y & 1 ][1]; dg2 = dither_2x2_8[ y & 1 ][0]; db2 = dither_2x2_8[(y & 1) ^ 1][1]; } else { dr1 = dither_4x4_16[ y & 3 ][0]; dg1 = dither_4x4_16[ y & 3 ][1]; db1 = dither_4x4_16[(y & 3) ^ 3][0]; dr2 = dither_4x4_16[ y & 3 ][1]; dg2 = dither_4x4_16[ y & 3 ][0]; db2 = dither_4x4_16[(y & 3) ^ 3][1]; } dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1]; dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2]; } else /* 8/4-bit */ { uint8_t *dest = (uint8_t *) _dest; const uint8_t *r = (const uint8_t *) _r; const uint8_t *g = (const uint8_t *) _g; const uint8_t *b = (const uint8_t *) _b; int dr1, dg1, db1, dr2, dg2, db2; if (target == PIX_FMT_RGB8 || target == PIX_FMT_BGR8) { const uint8_t * const d64 = dither_8x8_73[y & 7]; const uint8_t * const d32 = dither_8x8_32[y & 7]; dr1 = dg1 = d32[(i * 2 + 0) & 7]; db1 = d64[(i * 2 + 0) & 7]; dr2 = dg2 = d32[(i * 2 + 1) & 7]; db2 = d64[(i * 2 + 1) & 7]; } else { const uint8_t * const d64 = dither_8x8_73 [y & 7]; const uint8_t * const d128 = dither_8x8_220[y & 7]; dr1 = db1 = d128[(i * 2 + 0) & 7]; dg1 = d64[(i * 2 + 0) & 7]; dr2 = db2 = d128[(i * 2 + 1) & 7]; dg2 = d64[(i * 2 + 1) & 7]; } if (target == PIX_FMT_RGB4 || target == PIX_FMT_BGR4) { dest[i] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1] + ((r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2]) << 4); } else { dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1]; dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2]; } } } | 18,489 |
1 | static void musb_rx_packet_complete(USBPacket *packey, void *opaque) { /* Unfortunately we can't use packey->devep because that's the remote * endpoint number and may be different than our local. */ MUSBEndPoint *ep = (MUSBEndPoint *) opaque; int epnum = ep->epnum; MUSBState *s = ep->musb; ep->fifostart[1] = 0; ep->fifolen[1] = 0; #ifdef CLEAR_NAK if (ep->status[1] != USB_RET_NAK) { #endif ep->csr[1] &= ~MGC_M_RXCSR_H_REQPKT; if (!epnum) ep->csr[0] &= ~MGC_M_CSR0_H_REQPKT; #ifdef CLEAR_NAK } #endif /* Clear all of the imaginable error bits first */ ep->csr[1] &= ~(MGC_M_RXCSR_H_ERROR | MGC_M_RXCSR_H_RXSTALL | MGC_M_RXCSR_DATAERROR); if (!epnum) ep->csr[0] &= ~(MGC_M_CSR0_H_ERROR | MGC_M_CSR0_H_RXSTALL | MGC_M_CSR0_H_NAKTIMEOUT | MGC_M_CSR0_H_NO_PING); if (ep->status[1] == USB_RET_STALL) { ep->status[1] = 0; packey->len = 0; ep->csr[1] |= MGC_M_RXCSR_H_RXSTALL; if (!epnum) ep->csr[0] |= MGC_M_CSR0_H_RXSTALL; } if (ep->status[1] == USB_RET_NAK) { ep->status[1] = 0; /* NAK timeouts are only generated in Bulk transfers and * Data-errors in Isochronous. */ if (ep->interrupt[1]) return musb_packet(s, ep, epnum, USB_TOKEN_IN, packey->len, musb_rx_packet_complete, 1); ep->csr[1] |= MGC_M_RXCSR_DATAERROR; if (!epnum) ep->csr[0] |= MGC_M_CSR0_H_NAKTIMEOUT; } if (ep->status[1] < 0) { if (ep->status[1] == USB_RET_BABBLE) { musb_intr_set(s, musb_irq_rst_babble, 1); return; } /* Pretend we've tried three times already and failed (in * case of a control transfer). */ ep->csr[1] |= MGC_M_RXCSR_H_ERROR; if (!epnum) ep->csr[0] |= MGC_M_CSR0_H_ERROR; musb_rx_intr_set(s, epnum, 1); return; } /* TODO: check len for over/underruns of an OUT packet? */ /* TODO: perhaps make use of e->ext_size[1] here. */ packey->len = ep->status[1]; if (!(ep->csr[1] & (MGC_M_RXCSR_H_RXSTALL | MGC_M_RXCSR_DATAERROR))) { ep->csr[1] |= MGC_M_RXCSR_FIFOFULL | MGC_M_RXCSR_RXPKTRDY; if (!epnum) ep->csr[0] |= MGC_M_CSR0_RXPKTRDY; ep->rxcount = packey->len; /* XXX: MIN(packey->len, ep->maxp[1]); */ /* In DMA mode: assert DMA request for this EP */ } /* Only if DMA has not been asserted */ musb_rx_intr_set(s, epnum, 1); } | 18,490 |
1 | static int process_requests(int sock) { int flags; int size = 0; int retval = 0; uint64_t offset; ProxyHeader header; int mode, uid, gid; V9fsString name, value; struct timespec spec[2]; V9fsString oldpath, path; struct iovec in_iovec, out_iovec; in_iovec.iov_base = g_malloc(PROXY_MAX_IO_SZ + PROXY_HDR_SZ); in_iovec.iov_len = PROXY_MAX_IO_SZ + PROXY_HDR_SZ; out_iovec.iov_base = g_malloc(PROXY_MAX_IO_SZ + PROXY_HDR_SZ); out_iovec.iov_len = PROXY_MAX_IO_SZ + PROXY_HDR_SZ; while (1) { /* * initialize the header type, so that we send * response to proper request type. */ header.type = 0; retval = read_request(sock, &in_iovec, &header); if (retval < 0) { goto err_out; } switch (header.type) { case T_OPEN: retval = do_open(&in_iovec); break; case T_CREATE: retval = do_create(&in_iovec); break; case T_MKNOD: case T_MKDIR: case T_SYMLINK: retval = do_create_others(header.type, &in_iovec); break; case T_LINK: v9fs_string_init(&path); v9fs_string_init(&oldpath); retval = proxy_unmarshal(&in_iovec, PROXY_HDR_SZ, "ss", &oldpath, &path); if (retval > 0) { retval = link(oldpath.data, path.data); if (retval < 0) { retval = -errno; } } v9fs_string_free(&oldpath); v9fs_string_free(&path); break; case T_LSTAT: case T_STATFS: retval = do_stat(header.type, &in_iovec, &out_iovec); break; case T_READLINK: retval = do_readlink(&in_iovec, &out_iovec); break; case T_CHMOD: v9fs_string_init(&path); retval = proxy_unmarshal(&in_iovec, PROXY_HDR_SZ, "sd", &path, &mode); if (retval > 0) { retval = chmod(path.data, mode); if (retval < 0) { retval = -errno; } } v9fs_string_free(&path); break; case T_CHOWN: v9fs_string_init(&path); retval = proxy_unmarshal(&in_iovec, PROXY_HDR_SZ, "sdd", &path, &uid, &gid); if (retval > 0) { retval = lchown(path.data, uid, gid); if (retval < 0) { retval = -errno; } } v9fs_string_free(&path); break; case T_TRUNCATE: v9fs_string_init(&path); retval = proxy_unmarshal(&in_iovec, PROXY_HDR_SZ, "sq", &path, &offset); if (retval > 0) { retval = truncate(path.data, offset); if (retval < 0) { retval = -errno; } } v9fs_string_free(&path); break; case T_UTIME: v9fs_string_init(&path); retval = proxy_unmarshal(&in_iovec, PROXY_HDR_SZ, "sqqqq", &path, &spec[0].tv_sec, &spec[0].tv_nsec, &spec[1].tv_sec, &spec[1].tv_nsec); if (retval > 0) { retval = qemu_utimens(path.data, spec); if (retval < 0) { retval = -errno; } } v9fs_string_free(&path); break; case T_RENAME: v9fs_string_init(&path); v9fs_string_init(&oldpath); retval = proxy_unmarshal(&in_iovec, PROXY_HDR_SZ, "ss", &oldpath, &path); if (retval > 0) { retval = rename(oldpath.data, path.data); if (retval < 0) { retval = -errno; } } v9fs_string_free(&oldpath); v9fs_string_free(&path); break; case T_REMOVE: v9fs_string_init(&path); retval = proxy_unmarshal(&in_iovec, PROXY_HDR_SZ, "s", &path); if (retval > 0) { retval = remove(path.data); if (retval < 0) { retval = -errno; } } v9fs_string_free(&path); break; case T_LGETXATTR: case T_LLISTXATTR: retval = do_getxattr(header.type, &in_iovec, &out_iovec); break; case T_LSETXATTR: v9fs_string_init(&path); v9fs_string_init(&name); v9fs_string_init(&value); retval = proxy_unmarshal(&in_iovec, PROXY_HDR_SZ, "sssdd", &path, &name, &value, &size, &flags); if (retval > 0) { retval = lsetxattr(path.data, name.data, value.data, size, flags); if (retval < 0) { retval = -errno; } } v9fs_string_free(&path); v9fs_string_free(&name); v9fs_string_free(&value); break; case T_LREMOVEXATTR: v9fs_string_init(&path); v9fs_string_init(&name); retval = proxy_unmarshal(&in_iovec, PROXY_HDR_SZ, "ss", &path, &name); if (retval > 0) { retval = lremovexattr(path.data, name.data); if (retval < 0) { retval = -errno; } } v9fs_string_free(&path); v9fs_string_free(&name); break; case T_GETVERSION: retval = do_getversion(&in_iovec, &out_iovec); break; default: goto err_out; break; } if (process_reply(sock, header.type, &out_iovec, retval) < 0) { goto err_out; } } err_out: g_free(in_iovec.iov_base); g_free(out_iovec.iov_base); return -1; } | 18,491 |
1 | static av_cold int pcx_init(AVCodecContext *avctx) { PCXContext *s = avctx->priv_data; avcodec_get_frame_defaults(&s->picture); avctx->coded_frame= &s->picture; return 0; } | 18,492 |
1 | static void find_compressor(char * compressor_name, int len, MOVTrack *track) { AVDictionaryEntry *encoder; int xdcam_res = (track->par->width == 1280 && track->par->height == 720) || (track->par->width == 1440 && track->par->height == 1080) || (track->par->width == 1920 && track->par->height == 1080); if (track->mode == MODE_MOV && (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) { av_strlcpy(compressor_name, encoder->value, 32); } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) { int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE; AVStream *st = track->st; int rate = av_q2d(find_fps(NULL, st)); av_strlcatf(compressor_name, len, "XDCAM"); if (track->par->format == AV_PIX_FMT_YUV422P) { av_strlcatf(compressor_name, len, " HD422"); } else if(track->par->width == 1440) { av_strlcatf(compressor_name, len, " HD"); } else av_strlcatf(compressor_name, len, " EX"); av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p'); av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1)); } } | 18,494 |
1 | const char *print_wrid(int wrid) { if (wrid >= RDMA_WRID_RECV_CONTROL) { return wrid_desc[RDMA_WRID_RECV_CONTROL]; } return wrid_desc[wrid]; } | 18,495 |
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