project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
|
|---|---|---|---|---|
FFmpeg | 859a579e9bbf47fae2e09494c43bcf813dcb2fad | 0 | static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
AVPacket *avpkt) {
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
NuvContext *c = avctx->priv_data;
AVFrame *picture = data;
int orig_size = buf_size;
int keyframe;
int result;
enum {NUV_UNCOMPRESSED = '0', NUV_RTJPEG = '1',
NUV_RTJPEG_IN_LZO = '2', NUV_LZO = '3',
NUV_BLACK = 'N', NUV_COPY_LAST = 'L'} comptype;
if (buf_size < 12) {
av_log(avctx, AV_LOG_ERROR, "coded frame too small\n");
return -1;
}
// codec data (rtjpeg quant tables)
if (buf[0] == 'D' && buf[1] == 'R') {
int ret;
// skip rest of the frameheader.
buf = &buf[12];
buf_size -= 12;
ret = get_quant(avctx, c, buf, buf_size);
if (ret < 0)
return ret;
ff_rtjpeg_decode_init(&c->rtj, &c->dsp, c->width, c->height, c->lq, c->cq);
return orig_size;
}
if (buf[0] != 'V' || buf_size < 12) {
av_log(avctx, AV_LOG_ERROR, "not a nuv video frame\n");
return -1;
}
comptype = buf[1];
switch (comptype) {
case NUV_RTJPEG_IN_LZO:
case NUV_RTJPEG:
keyframe = !buf[2]; break;
case NUV_COPY_LAST:
keyframe = 0; break;
default:
keyframe = 1; break;
}
// skip rest of the frameheader.
buf = &buf[12];
buf_size -= 12;
if (comptype == NUV_RTJPEG_IN_LZO || comptype == NUV_LZO) {
int outlen = c->decomp_size, inlen = buf_size;
if (av_lzo1x_decode(c->decomp_buf, &outlen, buf, &inlen))
av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n");
buf = c->decomp_buf;
buf_size = c->decomp_size;
}
if (c->codec_frameheader) {
int w, h, q;
if (buf_size < 12) {
av_log(avctx, AV_LOG_ERROR, "invalid nuv video frame\n");
return -1;
}
w = AV_RL16(&buf[6]);
h = AV_RL16(&buf[8]);
q = buf[10];
if (!codec_reinit(avctx, w, h, q))
return -1;
buf = &buf[12];
buf_size -= 12;
}
if (keyframe && c->pic.data[0])
avctx->release_buffer(avctx, &c->pic);
c->pic.reference = 3;
c->pic.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_READABLE |
FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
result = avctx->reget_buffer(avctx, &c->pic);
if (result < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
c->pic.pict_type = keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
c->pic.key_frame = keyframe;
// decompress/copy/whatever data
switch (comptype) {
case NUV_LZO:
case NUV_UNCOMPRESSED: {
int height = c->height;
if (buf_size < c->width * height * 3 / 2) {
av_log(avctx, AV_LOG_ERROR, "uncompressed frame too short\n");
height = buf_size / c->width / 3 * 2;
}
copy_frame(&c->pic, buf, c->width, height);
break;
}
case NUV_RTJPEG_IN_LZO:
case NUV_RTJPEG: {
ff_rtjpeg_decode_frame_yuv420(&c->rtj, &c->pic, buf, buf_size);
break;
}
case NUV_BLACK: {
memset(c->pic.data[0], 0, c->width * c->height);
memset(c->pic.data[1], 128, c->width * c->height / 4);
memset(c->pic.data[2], 128, c->width * c->height / 4);
break;
}
case NUV_COPY_LAST: {
/* nothing more to do here */
break;
}
default:
av_log(avctx, AV_LOG_ERROR, "unknown compression\n");
return -1;
}
*picture = c->pic;
*data_size = sizeof(AVFrame);
return orig_size;
}
| 15,569 |
qemu | f69a8bde29354493ff8aea64cc9cb3b531d16337 | 1 | qio_channel_websock_extract_headers(char *buffer,
QIOChannelWebsockHTTPHeader *hdrs,
size_t nhdrsalloc,
Error **errp)
{
char *nl, *sep, *tmp;
size_t nhdrs = 0;
/*
* First parse the HTTP protocol greeting of format:
*
* $METHOD $PATH $VERSION
*
* e.g.
*
* GET / HTTP/1.1
*/
nl = strstr(buffer, QIO_CHANNEL_WEBSOCK_HANDSHAKE_DELIM);
if (!nl) {
error_setg(errp, "Missing HTTP header delimiter");
return 0;
}
*nl = '\0';
tmp = strchr(buffer, ' ');
if (!tmp) {
error_setg(errp, "Missing HTTP path delimiter");
return 0;
}
*tmp = '\0';
if (!g_str_equal(buffer, QIO_CHANNEL_WEBSOCK_HTTP_METHOD)) {
error_setg(errp, "Unsupported HTTP method %s", buffer);
return 0;
}
buffer = tmp + 1;
tmp = strchr(buffer, ' ');
if (!tmp) {
error_setg(errp, "Missing HTTP version delimiter");
return 0;
}
*tmp = '\0';
if (!g_str_equal(buffer, QIO_CHANNEL_WEBSOCK_HTTP_PATH)) {
error_setg(errp, "Unexpected HTTP path %s", buffer);
return 0;
}
buffer = tmp + 1;
if (!g_str_equal(buffer, QIO_CHANNEL_WEBSOCK_HTTP_VERSION)) {
error_setg(errp, "Unsupported HTTP version %s", buffer);
return 0;
}
buffer = nl + strlen(QIO_CHANNEL_WEBSOCK_HANDSHAKE_DELIM);
/*
* Now parse all the header fields of format
*
* $NAME: $VALUE
*
* e.g.
*
* Cache-control: no-cache
*/
do {
QIOChannelWebsockHTTPHeader *hdr;
nl = strstr(buffer, QIO_CHANNEL_WEBSOCK_HANDSHAKE_DELIM);
if (nl) {
*nl = '\0';
}
sep = strchr(buffer, ':');
if (!sep) {
error_setg(errp, "Malformed HTTP header");
return 0;
}
*sep = '\0';
sep++;
while (*sep == ' ') {
sep++;
}
if (nhdrs >= nhdrsalloc) {
error_setg(errp, "Too many HTTP headers");
return 0;
}
hdr = &hdrs[nhdrs++];
hdr->name = buffer;
hdr->value = sep;
/* Canonicalize header name for easier identification later */
for (tmp = hdr->name; *tmp; tmp++) {
*tmp = g_ascii_tolower(*tmp);
}
if (nl) {
buffer = nl + strlen(QIO_CHANNEL_WEBSOCK_HANDSHAKE_DELIM);
}
} while (nl != NULL);
return nhdrs;
}
| 15,570 |
qemu | 21ce148c7ec71ee32834061355a5ecfd1a11f90f | 1 | static inline void cris_ftag_d(unsigned int x)
{
register unsigned int v asm("$r10") = x;
asm ("ftagd\t[%0]\n" : : "r" (v) );
}
| 15,571 |
qemu | 827b17c468b0dae69f82f852958d16f4bf6d6bf0 | 1 | int spapr_h_cas_compose_response(sPAPRMachineState *spapr,
target_ulong addr, target_ulong size,
sPAPROptionVector *ov5_updates)
{
void *fdt, *fdt_skel;
sPAPRDeviceTreeUpdateHeader hdr = { .version_id = 1 };
if (spapr_hotplugged_dev_before_cas()) {
return 1;
size -= sizeof(hdr);
/* Create skeleton */
fdt_skel = g_malloc0(size);
_FDT((fdt_create(fdt_skel, size)));
_FDT((fdt_begin_node(fdt_skel, "")));
_FDT((fdt_end_node(fdt_skel)));
_FDT((fdt_finish(fdt_skel)));
fdt = g_malloc0(size);
_FDT((fdt_open_into(fdt_skel, fdt, size)));
g_free(fdt_skel);
/* Fixup cpu nodes */
_FDT((spapr_fixup_cpu_dt(fdt, spapr)));
if (spapr_dt_cas_updates(spapr, fdt, ov5_updates)) {
return -1;
/* Pack resulting tree */
_FDT((fdt_pack(fdt)));
if (fdt_totalsize(fdt) + sizeof(hdr) > size) {
trace_spapr_cas_failed(size);
return -1;
cpu_physical_memory_write(addr, &hdr, sizeof(hdr));
cpu_physical_memory_write(addr + sizeof(hdr), fdt, fdt_totalsize(fdt));
trace_spapr_cas_continue(fdt_totalsize(fdt) + sizeof(hdr));
g_free(fdt);
return 0; | 15,572 |
qemu | e84a4fedf74983ad0517b4754f927a96a2eea7ce | 1 | static void wav_destroy (void *opaque)
{
WAVState *wav = opaque;
uint8_t rlen[4];
uint8_t dlen[4];
uint32_t datalen = wav->bytes;
uint32_t rifflen = datalen + 36;
if (!wav->f) {
return;
}
le_store (rlen, rifflen, 4);
le_store (dlen, datalen, 4);
qemu_fseek (wav->f, 4, SEEK_SET);
qemu_put_buffer (wav->f, rlen, 4);
qemu_fseek (wav->f, 32, SEEK_CUR);
qemu_put_buffer (wav->f, dlen, 4);
qemu_fclose (wav->f);
if (wav->path) {
qemu_free (wav->path);
}
}
| 15,573 |
qemu | aa262928595d431bfee7914cb7d9d79197f887a2 | 1 | void event_notifier_cleanup(EventNotifier *e)
{
CloseHandle(e->event);
} | 15,574 |
FFmpeg | ca488ad480360dfafcb5766f7bfbb567a0638979 | 1 | static int decode_blocks_ind(ALSDecContext *ctx, unsigned int ra_frame,
unsigned int c, const unsigned int *div_blocks,
unsigned int *js_blocks)
{
unsigned int b;
ALSBlockData bd = { 0 };
bd.ra_block = ra_frame;
bd.const_block = ctx->const_block;
bd.shift_lsbs = ctx->shift_lsbs;
bd.opt_order = ctx->opt_order;
bd.store_prev_samples = ctx->store_prev_samples;
bd.use_ltp = ctx->use_ltp;
bd.ltp_lag = ctx->ltp_lag;
bd.ltp_gain = ctx->ltp_gain[0];
bd.quant_cof = ctx->quant_cof[0];
bd.lpc_cof = ctx->lpc_cof[0];
bd.prev_raw_samples = ctx->prev_raw_samples;
bd.raw_samples = ctx->raw_samples[c];
for (b = 0; b < ctx->num_blocks; b++) {
bd.block_length = div_blocks[b];
if (read_decode_block(ctx, &bd)) {
// damaged block, write zero for the rest of the frame
zero_remaining(b, ctx->num_blocks, div_blocks, bd.raw_samples);
return -1;
}
bd.raw_samples += div_blocks[b];
bd.ra_block = 0;
}
return 0;
}
| 15,575 |
FFmpeg | fd9e88fe6018bc72cd0aa10afc3c1a68df8c6558 | 1 | int ff_load_image(uint8_t *data[4], int linesize[4],
int *w, int *h, enum AVPixelFormat *pix_fmt,
const char *filename, void *log_ctx)
{
AVInputFormat *iformat = NULL;
AVFormatContext *format_ctx = NULL;
AVCodec *codec;
AVCodecContext *codec_ctx;
AVFrame *frame;
int frame_decoded, ret = 0;
AVPacket pkt;
av_register_all();
iformat = av_find_input_format("image2");
if ((ret = avformat_open_input(&format_ctx, filename, iformat, NULL)) < 0) {
av_log(log_ctx, AV_LOG_ERROR,
"Failed to open input file '%s'\n", filename);
return ret;
}
codec_ctx = format_ctx->streams[0]->codec;
codec = avcodec_find_decoder(codec_ctx->codec_id);
if (!codec) {
av_log(log_ctx, AV_LOG_ERROR, "Failed to find codec\n");
ret = AVERROR(EINVAL);
goto end;
}
if ((ret = avcodec_open2(codec_ctx, codec, NULL)) < 0) {
av_log(log_ctx, AV_LOG_ERROR, "Failed to open codec\n");
goto end;
}
if (!(frame = avcodec_alloc_frame()) ) {
av_log(log_ctx, AV_LOG_ERROR, "Failed to alloc frame\n");
ret = AVERROR(ENOMEM);
goto end;
}
ret = av_read_frame(format_ctx, &pkt);
if (ret < 0) {
av_log(log_ctx, AV_LOG_ERROR, "Failed to read frame from file\n");
goto end;
}
ret = avcodec_decode_video2(codec_ctx, frame, &frame_decoded, &pkt);
if (ret < 0 || !frame_decoded) {
av_log(log_ctx, AV_LOG_ERROR, "Failed to decode image from file\n");
goto end;
}
ret = 0;
*w = frame->width;
*h = frame->height;
*pix_fmt = frame->format;
if ((ret = av_image_alloc(data, linesize, *w, *h, *pix_fmt, 16)) < 0)
goto end;
ret = 0;
av_image_copy(data, linesize, (const uint8_t **)frame->data, frame->linesize, *pix_fmt, *w, *h);
end:
if (codec_ctx)
avcodec_close(codec_ctx);
if (format_ctx)
avformat_close_input(&format_ctx);
av_freep(&frame);
if (ret < 0)
av_log(log_ctx, AV_LOG_ERROR, "Error loading image file '%s'\n", filename);
return ret;
}
| 15,576 |
FFmpeg | 354db19ff44c3e33ba1a4298d1b3eaefb0ddc7e3 | 1 | int ff_h264_set_parameter_from_sps(H264Context *h)
{
if (h->flags & CODEC_FLAG_LOW_DELAY ||
(h->sps.bitstream_restriction_flag &&
!h->sps.num_reorder_frames)) {
if (h->avctx->has_b_frames > 1 || h->delayed_pic[0])
av_log(h->avctx, AV_LOG_WARNING, "Delayed frames seen. "
"Reenabling low delay requires a codec flush.\n");
else
h->low_delay = 1;
}
if (h->avctx->has_b_frames < 2)
h->avctx->has_b_frames = !h->low_delay;
if (h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma ||
h->cur_chroma_format_idc != h->sps.chroma_format_idc) {
if (h->avctx->codec &&
h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU &&
(h->sps.bit_depth_luma != 8 || h->sps.chroma_format_idc > 1)) {
av_log(h->avctx, AV_LOG_ERROR,
"VDPAU decoding does not support video colorspace.\n");
return AVERROR_INVALIDDATA;
}
if (h->sps.bit_depth_luma >= 8 && h->sps.bit_depth_luma <= 14 &&
h->sps.bit_depth_luma != 11 && h->sps.bit_depth_luma != 13) {
h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma;
h->cur_chroma_format_idc = h->sps.chroma_format_idc;
h->pixel_shift = h->sps.bit_depth_luma > 8;
ff_h264dsp_init(&h->h264dsp, h->sps.bit_depth_luma,
h->sps.chroma_format_idc);
ff_h264chroma_init(&h->h264chroma, h->sps.bit_depth_chroma);
ff_h264qpel_init(&h->h264qpel, h->sps.bit_depth_luma);
ff_h264_pred_init(&h->hpc, h->avctx->codec_id, h->sps.bit_depth_luma,
h->sps.chroma_format_idc);
ff_videodsp_init(&h->vdsp, h->sps.bit_depth_luma);
} else {
av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth %d\n",
h->sps.bit_depth_luma);
return AVERROR_INVALIDDATA;
}
}
return 0;
}
| 15,579 |
qemu | f678f671ba654d4610f0e43d175c8c1b2fad10df | 1 | static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1,
int r2 , int32_t constant , int32_t offset)
{
TCGv temp, temp2;
int n;
switch (opc) {
/* SB-format jumps */
case OPC1_16_SB_J:
case OPC1_32_B_J:
gen_goto_tb(ctx, 0, ctx->pc + offset * 2);
break;
case OPC1_32_B_CALL:
case OPC1_16_SB_CALL:
gen_helper_1arg(call, ctx->next_pc);
gen_goto_tb(ctx, 0, ctx->pc + offset * 2);
break;
case OPC1_16_SB_JZ:
gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[15], 0, offset);
break;
case OPC1_16_SB_JNZ:
gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[15], 0, offset);
break;
/* SBC-format jumps */
case OPC1_16_SBC_JEQ:
gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[15], constant, offset);
break;
case OPC1_16_SBC_JNE:
gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[15], constant, offset);
break;
/* SBRN-format jumps */
case OPC1_16_SBRN_JZ_T:
temp = tcg_temp_new();
tcg_gen_andi_tl(temp, cpu_gpr_d[15], 0x1u << constant);
gen_branch_condi(ctx, TCG_COND_EQ, temp, 0, offset);
tcg_temp_free(temp);
break;
case OPC1_16_SBRN_JNZ_T:
temp = tcg_temp_new();
tcg_gen_andi_tl(temp, cpu_gpr_d[15], 0x1u << constant);
gen_branch_condi(ctx, TCG_COND_NE, temp, 0, offset);
tcg_temp_free(temp);
break;
/* SBR-format jumps */
case OPC1_16_SBR_JEQ:
gen_branch_cond(ctx, TCG_COND_EQ, cpu_gpr_d[r1], cpu_gpr_d[15],
offset);
break;
case OPC1_16_SBR_JNE:
gen_branch_cond(ctx, TCG_COND_NE, cpu_gpr_d[r1], cpu_gpr_d[15],
offset);
break;
case OPC1_16_SBR_JNZ:
gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[r1], 0, offset);
break;
case OPC1_16_SBR_JNZ_A:
gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_a[r1], 0, offset);
break;
case OPC1_16_SBR_JGEZ:
gen_branch_condi(ctx, TCG_COND_GE, cpu_gpr_d[r1], 0, offset);
break;
case OPC1_16_SBR_JGTZ:
gen_branch_condi(ctx, TCG_COND_GT, cpu_gpr_d[r1], 0, offset);
break;
case OPC1_16_SBR_JLEZ:
gen_branch_condi(ctx, TCG_COND_LE, cpu_gpr_d[r1], 0, offset);
break;
case OPC1_16_SBR_JLTZ:
gen_branch_condi(ctx, TCG_COND_LT, cpu_gpr_d[r1], 0, offset);
break;
case OPC1_16_SBR_JZ:
gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[r1], 0, offset);
break;
case OPC1_16_SBR_JZ_A:
gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_a[r1], 0, offset);
break;
case OPC1_16_SBR_LOOP:
gen_loop(ctx, r1, offset * 2 - 32);
break;
/* SR-format jumps */
case OPC1_16_SR_JI:
tcg_gen_andi_tl(cpu_PC, cpu_gpr_a[r1], 0xfffffffe);
tcg_gen_exit_tb(0);
break;
case OPC2_32_SYS_RET:
case OPC2_16_SR_RET:
gen_helper_ret(cpu_env);
tcg_gen_exit_tb(0);
break;
/* B-format */
case OPC1_32_B_CALLA:
gen_helper_1arg(call, ctx->next_pc);
gen_goto_tb(ctx, 0, EA_B_ABSOLUT(offset));
break;
case OPC1_32_B_FCALL:
gen_fcall_save_ctx(ctx);
gen_goto_tb(ctx, 0, ctx->pc + offset * 2);
break;
case OPC1_32_B_FCALLA:
gen_fcall_save_ctx(ctx);
gen_goto_tb(ctx, 0, EA_B_ABSOLUT(offset));
break;
case OPC1_32_B_JLA:
tcg_gen_movi_tl(cpu_gpr_a[11], ctx->next_pc);
/* fall through */
case OPC1_32_B_JA:
gen_goto_tb(ctx, 0, EA_B_ABSOLUT(offset));
break;
case OPC1_32_B_JL:
tcg_gen_movi_tl(cpu_gpr_a[11], ctx->next_pc);
gen_goto_tb(ctx, 0, ctx->pc + offset * 2);
break;
/* BOL format */
case OPCM_32_BRC_EQ_NEQ:
if (MASK_OP_BRC_OP2(ctx->opcode) == OPC2_32_BRC_JEQ) {
gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_d[r1], constant, offset);
} else {
gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_d[r1], constant, offset);
}
break;
case OPCM_32_BRC_GE:
if (MASK_OP_BRC_OP2(ctx->opcode) == OP2_32_BRC_JGE) {
gen_branch_condi(ctx, TCG_COND_GE, cpu_gpr_d[r1], constant, offset);
} else {
constant = MASK_OP_BRC_CONST4(ctx->opcode);
gen_branch_condi(ctx, TCG_COND_GEU, cpu_gpr_d[r1], constant,
offset);
}
break;
case OPCM_32_BRC_JLT:
if (MASK_OP_BRC_OP2(ctx->opcode) == OPC2_32_BRC_JLT) {
gen_branch_condi(ctx, TCG_COND_LT, cpu_gpr_d[r1], constant, offset);
} else {
constant = MASK_OP_BRC_CONST4(ctx->opcode);
gen_branch_condi(ctx, TCG_COND_LTU, cpu_gpr_d[r1], constant,
offset);
}
break;
case OPCM_32_BRC_JNE:
temp = tcg_temp_new();
if (MASK_OP_BRC_OP2(ctx->opcode) == OPC2_32_BRC_JNED) {
tcg_gen_mov_tl(temp, cpu_gpr_d[r1]);
/* subi is unconditional */
tcg_gen_subi_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 1);
gen_branch_condi(ctx, TCG_COND_NE, temp, constant, offset);
} else {
tcg_gen_mov_tl(temp, cpu_gpr_d[r1]);
/* addi is unconditional */
tcg_gen_addi_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 1);
gen_branch_condi(ctx, TCG_COND_NE, temp, constant, offset);
}
tcg_temp_free(temp);
break;
/* BRN format */
case OPCM_32_BRN_JTT:
n = MASK_OP_BRN_N(ctx->opcode);
temp = tcg_temp_new();
tcg_gen_andi_tl(temp, cpu_gpr_d[r1], (1 << n));
if (MASK_OP_BRN_OP2(ctx->opcode) == OPC2_32_BRN_JNZ_T) {
gen_branch_condi(ctx, TCG_COND_NE, temp, 0, offset);
} else {
gen_branch_condi(ctx, TCG_COND_EQ, temp, 0, offset);
}
tcg_temp_free(temp);
break;
/* BRR Format */
case OPCM_32_BRR_EQ_NEQ:
if (MASK_OP_BRR_OP2(ctx->opcode) == OPC2_32_BRR_JEQ) {
gen_branch_cond(ctx, TCG_COND_EQ, cpu_gpr_d[r1], cpu_gpr_d[r2],
offset);
} else {
gen_branch_cond(ctx, TCG_COND_NE, cpu_gpr_d[r1], cpu_gpr_d[r2],
offset);
}
break;
case OPCM_32_BRR_ADDR_EQ_NEQ:
if (MASK_OP_BRR_OP2(ctx->opcode) == OPC2_32_BRR_JEQ_A) {
gen_branch_cond(ctx, TCG_COND_EQ, cpu_gpr_a[r1], cpu_gpr_a[r2],
offset);
} else {
gen_branch_cond(ctx, TCG_COND_NE, cpu_gpr_a[r1], cpu_gpr_a[r2],
offset);
}
break;
case OPCM_32_BRR_GE:
if (MASK_OP_BRR_OP2(ctx->opcode) == OPC2_32_BRR_JGE) {
gen_branch_cond(ctx, TCG_COND_GE, cpu_gpr_d[r1], cpu_gpr_d[r2],
offset);
} else {
gen_branch_cond(ctx, TCG_COND_GEU, cpu_gpr_d[r1], cpu_gpr_d[r2],
offset);
}
break;
case OPCM_32_BRR_JLT:
if (MASK_OP_BRR_OP2(ctx->opcode) == OPC2_32_BRR_JLT) {
gen_branch_cond(ctx, TCG_COND_LT, cpu_gpr_d[r1], cpu_gpr_d[r2],
offset);
} else {
gen_branch_cond(ctx, TCG_COND_LTU, cpu_gpr_d[r1], cpu_gpr_d[r2],
offset);
}
break;
case OPCM_32_BRR_LOOP:
if (MASK_OP_BRR_OP2(ctx->opcode) == OPC2_32_BRR_LOOP) {
gen_loop(ctx, r2, offset * 2);
} else {
/* OPC2_32_BRR_LOOPU */
gen_goto_tb(ctx, 0, ctx->pc + offset * 2);
}
break;
case OPCM_32_BRR_JNE:
temp = tcg_temp_new();
temp2 = tcg_temp_new();
if (MASK_OP_BRC_OP2(ctx->opcode) == OPC2_32_BRR_JNED) {
tcg_gen_mov_tl(temp, cpu_gpr_d[r1]);
/* also save r2, in case of r1 == r2, so r2 is not decremented */
tcg_gen_mov_tl(temp2, cpu_gpr_d[r2]);
/* subi is unconditional */
tcg_gen_subi_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 1);
gen_branch_cond(ctx, TCG_COND_NE, temp, temp2, offset);
} else {
tcg_gen_mov_tl(temp, cpu_gpr_d[r1]);
/* also save r2, in case of r1 == r2, so r2 is not decremented */
tcg_gen_mov_tl(temp2, cpu_gpr_d[r2]);
/* addi is unconditional */
tcg_gen_addi_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 1);
gen_branch_cond(ctx, TCG_COND_NE, temp, temp2, offset);
}
tcg_temp_free(temp);
tcg_temp_free(temp2);
break;
case OPCM_32_BRR_JNZ:
if (MASK_OP_BRR_OP2(ctx->opcode) == OPC2_32_BRR_JNZ_A) {
gen_branch_condi(ctx, TCG_COND_NE, cpu_gpr_a[r1], 0, offset);
} else {
gen_branch_condi(ctx, TCG_COND_EQ, cpu_gpr_a[r1], 0, offset);
}
break;
default:
printf("Branch Error at %x\n", ctx->pc);
}
ctx->bstate = BS_BRANCH;
}
| 15,580 |
FFmpeg | 2da0d70d5eebe42f9fcd27ee554419ebe2a5da06 | 1 | static inline void RENAME(bgr16ToY)(uint8_t *dst, uint8_t *src, int width)
{
int i;
for(i=0; i<width; i++)
{
int d= ((uint16_t*)src)[i];
int b= d&0x1F;
int g= (d>>5)&0x3F;
int r= (d>>11)&0x1F;
dst[i]= ((2*RY*r + GY*g + 2*BY*b)>>(RGB2YUV_SHIFT-2)) + 16;
}
}
| 15,581 |
FFmpeg | 1795fed7bc7a8b8109757cb5f27198c5b05698b5 | 1 | static int film_read_packet(AVFormatContext *s,
AVPacket *pkt)
{
FilmDemuxContext *film = s->priv_data;
AVIOContext *pb = s->pb;
film_sample *sample;
int ret = 0;
int i;
int left, right;
if (film->current_sample >= film->sample_count)
sample = &film->sample_table[film->current_sample];
/* position the stream (will probably be there anyway) */
avio_seek(pb, sample->sample_offset, SEEK_SET);
/* do a special song and dance when loading FILM Cinepak chunks */
if ((sample->stream == film->video_stream_index) &&
(film->video_type == CODEC_ID_CINEPAK)) {
pkt->pos= avio_tell(pb);
if (av_new_packet(pkt, sample->sample_size))
return AVERROR(ENOMEM);
avio_read(pb, pkt->data, sample->sample_size);
} else if ((sample->stream == film->audio_stream_index) &&
(film->audio_channels == 2) &&
(film->audio_type != CODEC_ID_ADPCM_ADX)) {
/* stereo PCM needs to be interleaved */
if (av_new_packet(pkt, sample->sample_size))
return AVERROR(ENOMEM);
/* make sure the interleave buffer is large enough */
if (sample->sample_size > film->stereo_buffer_size) {
av_free(film->stereo_buffer);
film->stereo_buffer_size = sample->sample_size;
film->stereo_buffer = av_malloc(film->stereo_buffer_size);
if (!film->stereo_buffer) {
film->stereo_buffer_size = 0;
return AVERROR(ENOMEM);
}
}
pkt->pos= avio_tell(pb);
ret = avio_read(pb, film->stereo_buffer, sample->sample_size);
if (ret != sample->sample_size)
ret = AVERROR(EIO);
left = 0;
right = sample->sample_size / 2;
for (i = 0; i < sample->sample_size; ) {
if (film->audio_bits == 8) {
pkt->data[i++] = film->stereo_buffer[left++];
pkt->data[i++] = film->stereo_buffer[right++];
} else {
pkt->data[i++] = film->stereo_buffer[left++];
pkt->data[i++] = film->stereo_buffer[left++];
pkt->data[i++] = film->stereo_buffer[right++];
pkt->data[i++] = film->stereo_buffer[right++];
}
}
} else {
ret= av_get_packet(pb, pkt, sample->sample_size);
if (ret != sample->sample_size)
ret = AVERROR(EIO);
}
pkt->stream_index = sample->stream;
pkt->pts = sample->pts;
film->current_sample++;
return ret;
} | 15,584 |
qemu | cd3b29b745b0ff393b2d37317837bc726b8dacc8 | 1 | static void tcg_out_qemu_st(TCGContext* s, TCGReg data_reg, TCGReg addr_reg,
TCGMemOpIdx oi)
{
TCGMemOp opc = get_memop(oi);
#ifdef CONFIG_SOFTMMU
unsigned mem_index = get_mmuidx(oi);
tcg_insn_unit *label_ptr;
TCGReg base_reg;
base_reg = tcg_out_tlb_read(s, addr_reg, opc, mem_index, 0);
label_ptr = s->code_ptr + 1;
tcg_out_insn(s, RI, BRC, S390_CC_NE, 0);
tcg_out_qemu_st_direct(s, opc, data_reg, base_reg, TCG_REG_R2, 0);
add_qemu_ldst_label(s, 0, oi, data_reg, addr_reg, s->code_ptr, label_ptr);
#else
TCGReg index_reg;
tcg_target_long disp;
tcg_prepare_user_ldst(s, &addr_reg, &index_reg, &disp);
tcg_out_qemu_st_direct(s, opc, data_reg, addr_reg, index_reg, disp);
#endif
}
| 15,585 |
qemu | 67adf4b39806df42b4c96377b37004de0df3a1fd | 1 | static int coroutine_fn mirror_dirty_init(MirrorBlockJob *s)
{
int64_t sector_num, end;
BlockDriverState *base = s->base;
BlockDriverState *bs = s->source;
BlockDriverState *target_bs = blk_bs(s->target);
int ret, n;
end = s->bdev_length / BDRV_SECTOR_SIZE;
if (base == NULL && !bdrv_has_zero_init(target_bs)) {
if (!bdrv_can_write_zeroes_with_unmap(target_bs)) {
bdrv_set_dirty_bitmap(s->dirty_bitmap, 0, end);
return 0;
}
s->initial_zeroing_ongoing = true;
for (sector_num = 0; sector_num < end; ) {
int nb_sectors = MIN(end - sector_num,
QEMU_ALIGN_DOWN(INT_MAX, s->granularity) >> BDRV_SECTOR_BITS);
mirror_throttle(s);
if (block_job_is_cancelled(&s->common)) {
s->initial_zeroing_ongoing = false;
return 0;
}
if (s->in_flight >= MAX_IN_FLIGHT) {
trace_mirror_yield(s, s->in_flight, s->buf_free_count, -1);
mirror_wait_for_io(s);
continue;
}
mirror_do_zero_or_discard(s, sector_num, nb_sectors, false);
sector_num += nb_sectors;
}
mirror_wait_for_all_io(s);
s->initial_zeroing_ongoing = false;
}
/* First part, loop on the sectors and initialize the dirty bitmap. */
for (sector_num = 0; sector_num < end; ) {
/* Just to make sure we are not exceeding int limit. */
int nb_sectors = MIN(INT_MAX >> BDRV_SECTOR_BITS,
end - sector_num);
mirror_throttle(s);
if (block_job_is_cancelled(&s->common)) {
return 0;
}
ret = bdrv_is_allocated_above(bs, base, sector_num, nb_sectors, &n);
if (ret < 0) {
return ret;
}
assert(n > 0);
if (ret == 1) {
bdrv_set_dirty_bitmap(s->dirty_bitmap, sector_num, n);
}
sector_num += n;
}
return 0;
}
| 15,586 |
qemu | 396bef4b3846bf4e80a2bee38e9a2d8554d0f251 | 1 | uint32_t do_arm_semihosting(CPUARMState *env)
{
target_ulong args;
char * s;
int nr;
uint32_t ret;
uint32_t len;
#ifdef CONFIG_USER_ONLY
TaskState *ts = env->opaque;
#else
CPUARMState *ts = env;
#endif
nr = env->regs[0];
args = env->regs[1];
switch (nr) {
case TARGET_SYS_OPEN:
if (!(s = lock_user_string(ARG(0))))
/* FIXME - should this error code be -TARGET_EFAULT ? */
return (uint32_t)-1;
if (ARG(1) >= 12)
return (uint32_t)-1;
if (strcmp(s, ":tt") == 0) {
if (ARG(1) < 4)
return STDIN_FILENO;
else
return STDOUT_FILENO;
}
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_cb, "open,%s,%x,1a4", ARG(0),
(int)ARG(2)+1, gdb_open_modeflags[ARG(1)]);
return env->regs[0];
} else {
ret = set_swi_errno(ts, open(s, open_modeflags[ARG(1)], 0644));
}
unlock_user(s, ARG(0), 0);
return ret;
case TARGET_SYS_CLOSE:
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_cb, "close,%x", ARG(0));
return env->regs[0];
} else {
return set_swi_errno(ts, close(ARG(0)));
}
case TARGET_SYS_WRITEC:
{
char c;
if (get_user_u8(c, args))
/* FIXME - should this error code be -TARGET_EFAULT ? */
return (uint32_t)-1;
/* Write to debug console. stderr is near enough. */
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_cb, "write,2,%x,1", args);
return env->regs[0];
} else {
return write(STDERR_FILENO, &c, 1);
}
}
case TARGET_SYS_WRITE0:
if (!(s = lock_user_string(args)))
/* FIXME - should this error code be -TARGET_EFAULT ? */
return (uint32_t)-1;
len = strlen(s);
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_cb, "write,2,%x,%x\n", args, len);
ret = env->regs[0];
} else {
ret = write(STDERR_FILENO, s, len);
}
unlock_user(s, args, 0);
return ret;
case TARGET_SYS_WRITE:
len = ARG(2);
if (use_gdb_syscalls()) {
arm_semi_syscall_len = len;
gdb_do_syscall(arm_semi_cb, "write,%x,%x,%x", ARG(0), ARG(1), len);
return env->regs[0];
} else {
if (!(s = lock_user(VERIFY_READ, ARG(1), len, 1)))
/* FIXME - should this error code be -TARGET_EFAULT ? */
return (uint32_t)-1;
ret = set_swi_errno(ts, write(ARG(0), s, len));
unlock_user(s, ARG(1), 0);
if (ret == (uint32_t)-1)
return -1;
return len - ret;
}
case TARGET_SYS_READ:
len = ARG(2);
if (use_gdb_syscalls()) {
arm_semi_syscall_len = len;
gdb_do_syscall(arm_semi_cb, "read,%x,%x,%x", ARG(0), ARG(1), len);
return env->regs[0];
} else {
if (!(s = lock_user(VERIFY_WRITE, ARG(1), len, 0)))
/* FIXME - should this error code be -TARGET_EFAULT ? */
return (uint32_t)-1;
do
ret = set_swi_errno(ts, read(ARG(0), s, len));
while (ret == -1 && errno == EINTR);
unlock_user(s, ARG(1), len);
if (ret == (uint32_t)-1)
return -1;
return len - ret;
}
case TARGET_SYS_READC:
/* XXX: Read from debug console. Not implemented. */
return 0;
case TARGET_SYS_ISTTY:
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_cb, "isatty,%x", ARG(0));
return env->regs[0];
} else {
return isatty(ARG(0));
}
case TARGET_SYS_SEEK:
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_cb, "lseek,%x,%x,0", ARG(0), ARG(1));
return env->regs[0];
} else {
ret = set_swi_errno(ts, lseek(ARG(0), ARG(1), SEEK_SET));
if (ret == (uint32_t)-1)
return -1;
return 0;
}
case TARGET_SYS_FLEN:
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_flen_cb, "fstat,%x,%x",
ARG(0), env->regs[13]-64);
return env->regs[0];
} else {
struct stat buf;
ret = set_swi_errno(ts, fstat(ARG(0), &buf));
if (ret == (uint32_t)-1)
return -1;
return buf.st_size;
}
case TARGET_SYS_TMPNAM:
/* XXX: Not implemented. */
return -1;
case TARGET_SYS_REMOVE:
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_cb, "unlink,%s", ARG(0), (int)ARG(1)+1);
ret = env->regs[0];
} else {
if (!(s = lock_user_string(ARG(0))))
/* FIXME - should this error code be -TARGET_EFAULT ? */
return (uint32_t)-1;
ret = set_swi_errno(ts, remove(s));
unlock_user(s, ARG(0), 0);
}
return ret;
case TARGET_SYS_RENAME:
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_cb, "rename,%s,%s",
ARG(0), (int)ARG(1)+1, ARG(2), (int)ARG(3)+1);
return env->regs[0];
} else {
char *s2;
s = lock_user_string(ARG(0));
s2 = lock_user_string(ARG(2));
if (!s || !s2)
/* FIXME - should this error code be -TARGET_EFAULT ? */
ret = (uint32_t)-1;
else
ret = set_swi_errno(ts, rename(s, s2));
if (s2)
unlock_user(s2, ARG(2), 0);
if (s)
unlock_user(s, ARG(0), 0);
return ret;
}
case TARGET_SYS_CLOCK:
return clock() / (CLOCKS_PER_SEC / 100);
case TARGET_SYS_TIME:
return set_swi_errno(ts, time(NULL));
case TARGET_SYS_SYSTEM:
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_cb, "system,%s", ARG(0), (int)ARG(1)+1);
return env->regs[0];
} else {
if (!(s = lock_user_string(ARG(0))))
/* FIXME - should this error code be -TARGET_EFAULT ? */
return (uint32_t)-1;
ret = set_swi_errno(ts, system(s));
unlock_user(s, ARG(0), 0);
return ret;
}
case TARGET_SYS_ERRNO:
#ifdef CONFIG_USER_ONLY
return ts->swi_errno;
#else
return syscall_err;
#endif
case TARGET_SYS_GET_CMDLINE:
{
/* Build a command-line from the original argv.
*
* The inputs are:
* * ARG(0), pointer to a buffer of at least the size
* specified in ARG(1).
* * ARG(1), size of the buffer pointed to by ARG(0) in
* bytes.
*
* The outputs are:
* * ARG(0), pointer to null-terminated string of the
* command line.
* * ARG(1), length of the string pointed to by ARG(0).
*/
char *output_buffer;
size_t input_size = ARG(1);
size_t output_size;
int status = 0;
/* Compute the size of the output string. */
#if !defined(CONFIG_USER_ONLY)
output_size = strlen(ts->boot_info->kernel_filename)
+ 1 /* Separating space. */
+ strlen(ts->boot_info->kernel_cmdline)
+ 1; /* Terminating null byte. */
#else
unsigned int i;
output_size = ts->info->arg_end - ts->info->arg_start;
if (!output_size) {
/* We special-case the "empty command line" case (argc==0).
Just provide the terminating 0. */
output_size = 1;
}
#endif
if (output_size > input_size) {
/* Not enough space to store command-line arguments. */
return -1;
}
/* Adjust the command-line length. */
SET_ARG(1, output_size - 1);
/* Lock the buffer on the ARM side. */
output_buffer = lock_user(VERIFY_WRITE, ARG(0), output_size, 0);
if (!output_buffer) {
return -1;
}
/* Copy the command-line arguments. */
#if !defined(CONFIG_USER_ONLY)
pstrcpy(output_buffer, output_size, ts->boot_info->kernel_filename);
pstrcat(output_buffer, output_size, " ");
pstrcat(output_buffer, output_size, ts->boot_info->kernel_cmdline);
#else
if (output_size == 1) {
/* Empty command-line. */
output_buffer[0] = '\0';
goto out;
}
if (copy_from_user(output_buffer, ts->info->arg_start,
output_size)) {
status = -1;
goto out;
}
/* Separate arguments by white spaces. */
for (i = 0; i < output_size - 1; i++) {
if (output_buffer[i] == 0) {
output_buffer[i] = ' ';
}
}
out:
#endif
/* Unlock the buffer on the ARM side. */
unlock_user(output_buffer, ARG(0), output_size);
return status;
}
case TARGET_SYS_HEAPINFO:
{
uint32_t *ptr;
uint32_t limit;
#ifdef CONFIG_USER_ONLY
/* Some C libraries assume the heap immediately follows .bss, so
allocate it using sbrk. */
if (!ts->heap_limit) {
abi_ulong ret;
ts->heap_base = do_brk(0);
limit = ts->heap_base + ARM_ANGEL_HEAP_SIZE;
/* Try a big heap, and reduce the size if that fails. */
for (;;) {
ret = do_brk(limit);
if (ret >= limit) {
break;
}
limit = (ts->heap_base >> 1) + (limit >> 1);
}
ts->heap_limit = limit;
}
if (!(ptr = lock_user(VERIFY_WRITE, ARG(0), 16, 0)))
/* FIXME - should this error code be -TARGET_EFAULT ? */
return (uint32_t)-1;
ptr[0] = tswap32(ts->heap_base);
ptr[1] = tswap32(ts->heap_limit);
ptr[2] = tswap32(ts->stack_base);
ptr[3] = tswap32(0); /* Stack limit. */
unlock_user(ptr, ARG(0), 16);
#else
limit = ram_size;
if (!(ptr = lock_user(VERIFY_WRITE, ARG(0), 16, 0)))
/* FIXME - should this error code be -TARGET_EFAULT ? */
return (uint32_t)-1;
/* TODO: Make this use the limit of the loaded application. */
ptr[0] = tswap32(limit / 2);
ptr[1] = tswap32(limit);
ptr[2] = tswap32(limit); /* Stack base */
ptr[3] = tswap32(0); /* Stack limit. */
unlock_user(ptr, ARG(0), 16);
#endif
return 0;
}
case TARGET_SYS_EXIT:
gdb_exit(env, 0);
exit(0);
default:
fprintf(stderr, "qemu: Unsupported SemiHosting SWI 0x%02x\n", nr);
cpu_dump_state(env, stderr, fprintf, 0);
abort();
}
}
| 15,587 |
FFmpeg | 92b50b71a1e4e78fa2828dc2e0a4428674a8a9b0 | 1 | static void video_audio_display(VideoState *s)
{
int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
int ch, channels, h, h2, bgcolor, fgcolor;
int16_t time_diff;
int rdft_bits, nb_freq;
for (rdft_bits = 1; (1 << rdft_bits) < 2 * s->height; rdft_bits++)
;
nb_freq = 1 << (rdft_bits - 1);
/* compute display index : center on currently output samples */
channels = s->audio_tgt.channels;
nb_display_channels = channels;
if (!s->paused) {
int data_used= s->show_mode == SHOW_MODE_WAVES ? s->width : (2*nb_freq);
n = 2 * channels;
delay = s->audio_write_buf_size;
delay /= n;
/* to be more precise, we take into account the time spent since
the last buffer computation */
if (audio_callback_time) {
time_diff = av_gettime() - audio_callback_time;
delay -= (time_diff * s->audio_tgt.freq) / 1000000;
}
delay += 2 * data_used;
if (delay < data_used)
delay = data_used;
i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
if (s->show_mode == SHOW_MODE_WAVES) {
h = INT_MIN;
for (i = 0; i < 1000; i += channels) {
int idx = (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
int a = s->sample_array[idx];
int b = s->sample_array[(idx + 4 * channels) % SAMPLE_ARRAY_SIZE];
int c = s->sample_array[(idx + 5 * channels) % SAMPLE_ARRAY_SIZE];
int d = s->sample_array[(idx + 9 * channels) % SAMPLE_ARRAY_SIZE];
int score = a - d;
if (h < score && (b ^ c) < 0) {
h = score;
i_start = idx;
}
}
}
s->last_i_start = i_start;
} else {
i_start = s->last_i_start;
}
bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
if (s->show_mode == SHOW_MODE_WAVES) {
fill_rectangle(screen,
s->xleft, s->ytop, s->width, s->height,
bgcolor, 0);
fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
/* total height for one channel */
h = s->height / nb_display_channels;
/* graph height / 2 */
h2 = (h * 9) / 20;
for (ch = 0; ch < nb_display_channels; ch++) {
i = i_start + ch;
y1 = s->ytop + ch * h + (h / 2); /* position of center line */
for (x = 0; x < s->width; x++) {
y = (s->sample_array[i] * h2) >> 15;
if (y < 0) {
y = -y;
ys = y1 - y;
} else {
ys = y1;
}
fill_rectangle(screen,
s->xleft + x, ys, 1, y,
fgcolor, 0);
i += channels;
if (i >= SAMPLE_ARRAY_SIZE)
i -= SAMPLE_ARRAY_SIZE;
}
}
fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
for (ch = 1; ch < nb_display_channels; ch++) {
y = s->ytop + ch * h;
fill_rectangle(screen,
s->xleft, y, s->width, 1,
fgcolor, 0);
}
SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
} else {
nb_display_channels= FFMIN(nb_display_channels, 2);
if (rdft_bits != s->rdft_bits) {
av_rdft_end(s->rdft);
av_free(s->rdft_data);
s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
s->rdft_bits = rdft_bits;
s->rdft_data = av_malloc(4 * nb_freq * sizeof(*s->rdft_data));
}
{
FFTSample *data[2];
for (ch = 0; ch < nb_display_channels; ch++) {
data[ch] = s->rdft_data + 2 * nb_freq * ch;
i = i_start + ch;
for (x = 0; x < 2 * nb_freq; x++) {
double w = (x-nb_freq) * (1.0 / nb_freq);
data[ch][x] = s->sample_array[i] * (1.0 - w * w);
i += channels;
if (i >= SAMPLE_ARRAY_SIZE)
i -= SAMPLE_ARRAY_SIZE;
}
av_rdft_calc(s->rdft, data[ch]);
}
// least efficient way to do this, we should of course directly access it but its more than fast enough
for (y = 0; y < s->height; y++) {
double w = 1 / sqrt(nb_freq);
int a = sqrt(w * sqrt(data[0][2 * y + 0] * data[0][2 * y + 0] + data[0][2 * y + 1] * data[0][2 * y + 1]));
int b = (nb_display_channels == 2 ) ? sqrt(w * sqrt(data[1][2 * y + 0] * data[1][2 * y + 0]
+ data[1][2 * y + 1] * data[1][2 * y + 1])) : a;
a = FFMIN(a, 255);
b = FFMIN(b, 255);
fgcolor = SDL_MapRGB(screen->format, a, b, (a + b) / 2);
fill_rectangle(screen,
s->xpos, s->height-y, 1, 1,
fgcolor, 0);
}
}
SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
if (!s->paused)
s->xpos++;
if (s->xpos >= s->width)
s->xpos= s->xleft;
}
}
| 15,588 |
FFmpeg | 601d072e68fb2967e561980336bea0b0625e629e | 1 | static int dirac_unpack_prediction_parameters(DiracContext *s)
{
static const uint8_t default_blen[] = { 4, 12, 16, 24 };
static const uint8_t default_bsep[] = { 4, 8, 12, 16 };
GetBitContext *gb = &s->gb;
unsigned idx, ref;
align_get_bits(gb);
/* [DIRAC_STD] 11.2.2 Block parameters. block_parameters() */
/* Luma and Chroma are equal. 11.2.3 */
idx = svq3_get_ue_golomb(gb); /* [DIRAC_STD] index */
if (idx > 4) {
av_log(s->avctx, AV_LOG_ERROR, "Block prediction index too high\n");
return -1;
}
if (idx == 0) {
s->plane[0].xblen = svq3_get_ue_golomb(gb);
s->plane[0].yblen = svq3_get_ue_golomb(gb);
s->plane[0].xbsep = svq3_get_ue_golomb(gb);
s->plane[0].ybsep = svq3_get_ue_golomb(gb);
} else {
/*[DIRAC_STD] preset_block_params(index). Table 11.1 */
s->plane[0].xblen = default_blen[idx-1];
s->plane[0].yblen = default_blen[idx-1];
s->plane[0].xbsep = default_bsep[idx-1];
s->plane[0].ybsep = default_bsep[idx-1];
}
/*[DIRAC_STD] 11.2.4 motion_data_dimensions()
Calculated in function dirac_unpack_block_motion_data */
if (s->plane[0].xbsep < s->plane[0].xblen/2 || s->plane[0].ybsep < s->plane[0].yblen/2) {
av_log(s->avctx, AV_LOG_ERROR, "Block separation too small\n");
return -1;
}
if (s->plane[0].xbsep > s->plane[0].xblen || s->plane[0].ybsep > s->plane[0].yblen) {
av_log(s->avctx, AV_LOG_ERROR, "Block seperation greater than size\n");
return -1;
}
if (FFMAX(s->plane[0].xblen, s->plane[0].yblen) > MAX_BLOCKSIZE) {
av_log(s->avctx, AV_LOG_ERROR, "Unsupported large block size\n");
return -1;
}
/*[DIRAC_STD] 11.2.5 Motion vector precision. motion_vector_precision()
Read motion vector precision */
s->mv_precision = svq3_get_ue_golomb(gb);
if (s->mv_precision > 3) {
av_log(s->avctx, AV_LOG_ERROR, "MV precision finer than eighth-pel\n");
return -1;
}
/*[DIRAC_STD] 11.2.6 Global motion. global_motion()
Read the global motion compensation parameters */
s->globalmc_flag = get_bits1(gb);
if (s->globalmc_flag) {
memset(s->globalmc, 0, sizeof(s->globalmc));
/* [DIRAC_STD] pan_tilt(gparams) */
for (ref = 0; ref < s->num_refs; ref++) {
if (get_bits1(gb)) {
s->globalmc[ref].pan_tilt[0] = dirac_get_se_golomb(gb);
s->globalmc[ref].pan_tilt[1] = dirac_get_se_golomb(gb);
}
/* [DIRAC_STD] zoom_rotate_shear(gparams)
zoom/rotation/shear parameters */
if (get_bits1(gb)) {
s->globalmc[ref].zrs_exp = svq3_get_ue_golomb(gb);
s->globalmc[ref].zrs[0][0] = dirac_get_se_golomb(gb);
s->globalmc[ref].zrs[0][1] = dirac_get_se_golomb(gb);
s->globalmc[ref].zrs[1][0] = dirac_get_se_golomb(gb);
s->globalmc[ref].zrs[1][1] = dirac_get_se_golomb(gb);
} else {
s->globalmc[ref].zrs[0][0] = 1;
s->globalmc[ref].zrs[1][1] = 1;
}
/* [DIRAC_STD] perspective(gparams) */
if (get_bits1(gb)) {
s->globalmc[ref].perspective_exp = svq3_get_ue_golomb(gb);
s->globalmc[ref].perspective[0] = dirac_get_se_golomb(gb);
s->globalmc[ref].perspective[1] = dirac_get_se_golomb(gb);
}
}
}
/*[DIRAC_STD] 11.2.7 Picture prediction mode. prediction_mode()
Picture prediction mode, not currently used. */
if (svq3_get_ue_golomb(gb)) {
av_log(s->avctx, AV_LOG_ERROR, "Unknown picture prediction mode\n");
return -1;
}
/* [DIRAC_STD] 11.2.8 Reference picture weight. reference_picture_weights()
just data read, weight calculation will be done later on. */
s->weight_log2denom = 1;
s->weight[0] = 1;
s->weight[1] = 1;
if (get_bits1(gb)) {
s->weight_log2denom = svq3_get_ue_golomb(gb);
s->weight[0] = dirac_get_se_golomb(gb);
if (s->num_refs == 2)
s->weight[1] = dirac_get_se_golomb(gb);
}
return 0;
}
| 15,590 |
FFmpeg | b46dcd5209a77254345ae098b83a872634c5591b | 1 | static int check_timecode(void *log_ctx, AVTimecode *tc)
{
if (tc->fps <= 0) {
av_log(log_ctx, AV_LOG_ERROR, "Timecode frame rate must be specified\n");
return AVERROR(EINVAL);
}
if ((tc->flags & AV_TIMECODE_FLAG_DROPFRAME) && tc->fps != 30 && tc->fps != 60) {
av_log(log_ctx, AV_LOG_ERROR, "Drop frame is only allowed with 30000/1001 or 60000/1001 FPS\n");
return AVERROR(EINVAL);
}
if (check_fps(tc->fps) < 0) {
av_log(log_ctx, AV_LOG_WARNING, "Using non-standard frame rate %d/%d\n",
tc->rate.num, tc->rate.den);
}
return 0;
}
| 15,591 |
FFmpeg | 1bab6f852c7ca433285d19f65c701885fa69cc57 | 1 | static void RENAME(yuv2rgb555_1)(SwsContext *c, const int16_t *buf0,
const int16_t *ubuf[2], const int16_t *bguf[2],
const int16_t *abuf0, uint8_t *dest,
int dstW, int uvalpha, int y)
{
const int16_t *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
__asm__ volatile(
"mov %%"REG_b", "ESP_OFFSET"(%5) \n\t"
"mov %4, %%"REG_b" \n\t"
"push %%"REG_BP" \n\t"
YSCALEYUV2RGB1(%%REGBP, %5)
"pxor %%mm7, %%mm7 \n\t"
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb "BLUE_DITHER"(%5), %%mm2 \n\t"
"paddusb "GREEN_DITHER"(%5), %%mm4 \n\t"
"paddusb "RED_DITHER"(%5), %%mm5 \n\t"
#endif
WRITERGB15(%%REGb, 8280(%5), %%REGBP)
"pop %%"REG_BP" \n\t"
"mov "ESP_OFFSET"(%5), %%"REG_b" \n\t"
:: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
"a" (&c->redDither)
);
} else {
__asm__ volatile(
"mov %%"REG_b", "ESP_OFFSET"(%5) \n\t"
"mov %4, %%"REG_b" \n\t"
"push %%"REG_BP" \n\t"
YSCALEYUV2RGB1b(%%REGBP, %5)
"pxor %%mm7, %%mm7 \n\t"
/* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
#ifdef DITHER1XBPP
"paddusb "BLUE_DITHER"(%5), %%mm2 \n\t"
"paddusb "GREEN_DITHER"(%5), %%mm4 \n\t"
"paddusb "RED_DITHER"(%5), %%mm5 \n\t"
#endif
WRITERGB15(%%REGb, 8280(%5), %%REGBP)
"pop %%"REG_BP" \n\t"
"mov "ESP_OFFSET"(%5), %%"REG_b" \n\t"
:: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
"a" (&c->redDither)
);
}
}
| 15,592 |
FFmpeg | 52b2e95cd9f829b83b879a0694173d4ef1558c46 | 1 | static void dvbsub_parse_pixel_data_block(AVCodecContext *avctx, DVBSubObjectDisplay *display,
const uint8_t *buf, int buf_size, int top_bottom, int non_mod)
{
DVBSubContext *ctx = avctx->priv_data;
DVBSubRegion *region = get_region(ctx, display->region_id);
const uint8_t *buf_end = buf + buf_size;
uint8_t *pbuf;
int x_pos, y_pos;
int i;
uint8_t map2to4[] = { 0x0, 0x7, 0x8, 0xf};
uint8_t map2to8[] = {0x00, 0x77, 0x88, 0xff};
uint8_t map4to8[] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff};
uint8_t *map_table;
av_dlog(avctx, "DVB pixel block size %d, %s field:\n", buf_size,
top_bottom ? "bottom" : "top");
#ifdef DEBUG_PACKET_CONTENTS
for (i = 0; i < buf_size; i++) {
if (i % 16 == 0)
av_log(avctx, AV_LOG_INFO, "0x%08p: ", buf+i);
av_log(avctx, AV_LOG_INFO, "%02x ", buf[i]);
if (i % 16 == 15)
av_log(avctx, AV_LOG_INFO, "\n");
}
if (i % 16)
av_log(avctx, AV_LOG_INFO, "\n");
#endif
if (region == 0)
return;
pbuf = region->pbuf;
x_pos = display->x_pos;
y_pos = display->y_pos;
if ((y_pos & 1) != top_bottom)
y_pos++;
while (buf < buf_end) {
if (x_pos > region->width || y_pos > region->height) {
av_log(avctx, AV_LOG_ERROR, "Invalid object location!\n");
return;
}
switch (*buf++) {
case 0x10:
if (region->depth == 8)
map_table = map2to8;
else if (region->depth == 4)
map_table = map2to4;
else
map_table = NULL;
x_pos += dvbsub_read_2bit_string(pbuf + (y_pos * region->width) + x_pos,
region->width - x_pos, &buf, buf_size,
non_mod, map_table);
break;
case 0x11:
if (region->depth < 4) {
av_log(avctx, AV_LOG_ERROR, "4-bit pixel string in %d-bit region!\n", region->depth);
return;
}
if (region->depth == 8)
map_table = map4to8;
else
map_table = NULL;
x_pos += dvbsub_read_4bit_string(pbuf + (y_pos * region->width) + x_pos,
region->width - x_pos, &buf, buf_size,
non_mod, map_table);
break;
case 0x12:
if (region->depth < 8) {
av_log(avctx, AV_LOG_ERROR, "8-bit pixel string in %d-bit region!\n", region->depth);
return;
}
x_pos += dvbsub_read_8bit_string(pbuf + (y_pos * region->width) + x_pos,
region->width - x_pos, &buf, buf_size,
non_mod, NULL);
break;
case 0x20:
map2to4[0] = (*buf) >> 4;
map2to4[1] = (*buf++) & 0xf;
map2to4[2] = (*buf) >> 4;
map2to4[3] = (*buf++) & 0xf;
break;
case 0x21:
for (i = 0; i < 4; i++)
map2to8[i] = *buf++;
break;
case 0x22:
for (i = 0; i < 16; i++)
map4to8[i] = *buf++;
break;
case 0xf0:
x_pos = display->x_pos;
y_pos += 2;
break;
default:
av_log(avctx, AV_LOG_INFO, "Unknown/unsupported pixel block 0x%x\n", *(buf-1));
}
}
}
| 15,593 |
qemu | 8e91ed308062e742610e4cfdfd4a09bc045ead45 | 1 | static inline void gen_op_sdivx(TCGv dst, TCGv src1, TCGv src2)
{
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
tcg_gen_mov_tl(cpu_cc_src, src1);
tcg_gen_mov_tl(cpu_cc_src2, src2);
gen_trap_ifdivzero_tl(cpu_cc_src2);
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_cc_src, INT64_MIN, l1);
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_cc_src2, -1, l1);
tcg_gen_movi_i64(dst, INT64_MIN);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_div_i64(dst, cpu_cc_src, cpu_cc_src2);
gen_set_label(l2);
}
| 15,595 |
FFmpeg | 13705b69ebe9e375fdb52469760a0fbb5f593cc1 | 1 | static void iterative_me(SnowContext *s){
int pass, mb_x, mb_y;
const int b_width = s->b_width << s->block_max_depth;
const int b_height= s->b_height << s->block_max_depth;
const int b_stride= b_width;
int color[3];
for(pass=0; pass<50; pass++){
int change= 0;
for(mb_y= 0; mb_y<b_height; mb_y++){
for(mb_x= 0; mb_x<b_width; mb_x++){
int dia_change, i, j;
int best_rd= INT_MAX;
BlockNode backup;
const int index= mb_x + mb_y * b_stride;
BlockNode *block= &s->block[index];
BlockNode *tb = mb_y ? &s->block[index-b_stride ] : &null_block;
BlockNode *lb = mb_x ? &s->block[index -1] : &null_block;
BlockNode *rb = mb_x<b_width ? &s->block[index +1] : &null_block;
BlockNode *bb = mb_y<b_height ? &s->block[index+b_stride ] : &null_block;
BlockNode *tlb= mb_x && mb_y ? &s->block[index-b_stride-1] : &null_block;
BlockNode *trb= mb_x<b_width && mb_y ? &s->block[index-b_stride+1] : &null_block;
BlockNode *blb= mb_x && mb_y<b_height ? &s->block[index+b_stride-1] : &null_block;
BlockNode *brb= mb_x<b_width && mb_y<b_height ? &s->block[index+b_stride+1] : &null_block;
if(pass && (block->type & BLOCK_OPT))
continue;
block->type |= BLOCK_OPT;
backup= *block;
if(!s->me_cache_generation)
memset(s->me_cache, 0, sizeof(s->me_cache));
s->me_cache_generation += 1<<22;
// get previous score (cant be cached due to OBMC)
check_block(s, mb_x, mb_y, (int[2]){block->mx, block->my}, 0, &best_rd);
check_block(s, mb_x, mb_y, (int[2]){0, 0}, 0, &best_rd);
check_block(s, mb_x, mb_y, (int[2]){tb->mx, tb->my}, 0, &best_rd);
check_block(s, mb_x, mb_y, (int[2]){lb->mx, lb->my}, 0, &best_rd);
check_block(s, mb_x, mb_y, (int[2]){rb->mx, rb->my}, 0, &best_rd);
check_block(s, mb_x, mb_y, (int[2]){bb->mx, bb->my}, 0, &best_rd);
/* fullpel ME */
//FIXME avoid subpel interpol / round to nearest integer
do{
dia_change=0;
for(i=0; i<FFMAX(s->avctx->dia_size, 1); i++){
for(j=0; j<i; j++){
dia_change |= check_block(s, mb_x, mb_y, (int[2]){block->mx+4*(i-j), block->my+(4*j)}, 0, &best_rd);
dia_change |= check_block(s, mb_x, mb_y, (int[2]){block->mx-4*(i-j), block->my-(4*j)}, 0, &best_rd);
dia_change |= check_block(s, mb_x, mb_y, (int[2]){block->mx+4*(i-j), block->my-(4*j)}, 0, &best_rd);
dia_change |= check_block(s, mb_x, mb_y, (int[2]){block->mx-4*(i-j), block->my+(4*j)}, 0, &best_rd);
}
}
}while(dia_change);
/* subpel ME */
do{
static const int square[8][2]= {{+1, 0},{-1, 0},{ 0,+1},{ 0,-1},{+1,+1},{-1,-1},{+1,-1},{-1,+1},};
dia_change=0;
for(i=0; i<8; i++)
dia_change |= check_block(s, mb_x, mb_y, (int[2]){block->mx+square[i][0], block->my+square[i][1]}, 0, &best_rd);
}while(dia_change);
//FIXME or try the standard 2 pass qpel or similar
for(i=0; i<3; i++){
color[i]= get_dc(s, mb_x, mb_y, i);
}
check_block(s, mb_x, mb_y, color, 1, &best_rd);
//FIXME RD style color selection
if(!same_block(block, &backup)){
if(tb != &null_block) tb ->type &= ~BLOCK_OPT;
if(lb != &null_block) lb ->type &= ~BLOCK_OPT;
if(rb != &null_block) rb ->type &= ~BLOCK_OPT;
if(bb != &null_block) bb ->type &= ~BLOCK_OPT;
if(tlb!= &null_block) tlb->type &= ~BLOCK_OPT;
if(trb!= &null_block) trb->type &= ~BLOCK_OPT;
if(blb!= &null_block) blb->type &= ~BLOCK_OPT;
if(brb!= &null_block) brb->type &= ~BLOCK_OPT;
change ++;
}
}
}
av_log(NULL, AV_LOG_ERROR, "pass:%d changed:%d\n", pass, change);
if(!change)
break;
}
}
| 15,596 |
qemu | eb687602853b4ae656e9236ee4222609f3a6887d | 1 | static void coroutine_fn v9fs_xattrcreate(void *opaque)
{
int flags;
int32_t fid;
int64_t size;
ssize_t err = 0;
V9fsString name;
size_t offset = 7;
V9fsFidState *file_fidp;
V9fsFidState *xattr_fidp;
V9fsPDU *pdu = opaque;
v9fs_string_init(&name);
err = pdu_unmarshal(pdu, offset, "dsqd", &fid, &name, &size, &flags);
if (err < 0) {
goto out_nofid;
}
trace_v9fs_xattrcreate(pdu->tag, pdu->id, fid, name.data, size, flags);
file_fidp = get_fid(pdu, fid);
if (file_fidp == NULL) {
err = -EINVAL;
goto out_nofid;
}
/* Make the file fid point to xattr */
xattr_fidp = file_fidp;
xattr_fidp->fid_type = P9_FID_XATTR;
xattr_fidp->fs.xattr.copied_len = 0;
xattr_fidp->fs.xattr.len = size;
xattr_fidp->fs.xattr.flags = flags;
v9fs_string_init(&xattr_fidp->fs.xattr.name);
v9fs_string_copy(&xattr_fidp->fs.xattr.name, &name);
xattr_fidp->fs.xattr.value = g_malloc(size);
err = offset;
put_fid(pdu, file_fidp);
out_nofid:
pdu_complete(pdu, err);
v9fs_string_free(&name);
}
| 15,597 |
FFmpeg | d59820f6fec3fd112436fb7712e4f9d6d768b664 | 1 | static int matroska_parse_block(MatroskaDemuxContext *matroska, uint8_t *data,
int size, int64_t pos, uint64_t cluster_time,
uint64_t block_duration, int is_keyframe,
uint8_t *additional, uint64_t additional_id, int additional_size,
int64_t cluster_pos, int64_t discard_padding)
{
uint64_t timecode = AV_NOPTS_VALUE;
MatroskaTrack *track;
int res = 0;
AVStream *st;
int16_t block_time;
uint32_t *lace_size = NULL;
int n, flags, laces = 0;
uint64_t num;
int trust_default_duration = 1;
if ((n = matroska_ebmlnum_uint(matroska, data, size, &num)) < 0) {
av_log(matroska->ctx, AV_LOG_ERROR, "EBML block data error\n");
return n;
}
data += n;
size -= n;
track = matroska_find_track_by_num(matroska, num);
if (!track || !track->stream) {
av_log(matroska->ctx, AV_LOG_INFO,
"Invalid stream %"PRIu64" or size %u\n", num, size);
return AVERROR_INVALIDDATA;
} else if (size <= 3)
return 0;
st = track->stream;
if (st->discard >= AVDISCARD_ALL)
return res;
av_assert1(block_duration != AV_NOPTS_VALUE);
block_time = sign_extend(AV_RB16(data), 16);
data += 2;
flags = *data++;
size -= 3;
if (is_keyframe == -1)
is_keyframe = flags & 0x80 ? AV_PKT_FLAG_KEY : 0;
if (cluster_time != (uint64_t) -1 &&
(block_time >= 0 || cluster_time >= -block_time)) {
timecode = cluster_time + block_time - track->codec_delay_in_track_tb;
if (track->type == MATROSKA_TRACK_TYPE_SUBTITLE &&
timecode < track->end_timecode)
is_keyframe = 0; /* overlapping subtitles are not key frame */
if (is_keyframe)
av_add_index_entry(st, cluster_pos, timecode, 0, 0,
AVINDEX_KEYFRAME);
}
if (matroska->skip_to_keyframe &&
track->type != MATROSKA_TRACK_TYPE_SUBTITLE) {
if (timecode < matroska->skip_to_timecode)
return res;
if (is_keyframe)
matroska->skip_to_keyframe = 0;
else if (!st->skip_to_keyframe) {
av_log(matroska->ctx, AV_LOG_ERROR, "File is broken, keyframes not correctly marked!\n");
matroska->skip_to_keyframe = 0;
}
}
res = matroska_parse_laces(matroska, &data, &size, (flags & 0x06) >> 1,
&lace_size, &laces);
if (res)
goto end;
if (track->audio.samplerate == 8000) {
// If this is needed for more codecs, then add them here
if (st->codecpar->codec_id == AV_CODEC_ID_AC3) {
if (track->audio.samplerate != st->codecpar->sample_rate || !st->codecpar->frame_size)
trust_default_duration = 0;
}
}
if (!block_duration && trust_default_duration)
block_duration = track->default_duration * laces / matroska->time_scale;
if (cluster_time != (uint64_t)-1 && (block_time >= 0 || cluster_time >= -block_time))
track->end_timecode =
FFMAX(track->end_timecode, timecode + block_duration);
for (n = 0; n < laces; n++) {
int64_t lace_duration = block_duration*(n+1) / laces - block_duration*n / laces;
if (lace_size[n] > size) {
av_log(matroska->ctx, AV_LOG_ERROR, "Invalid packet size\n");
break;
}
if ((st->codecpar->codec_id == AV_CODEC_ID_RA_288 ||
st->codecpar->codec_id == AV_CODEC_ID_COOK ||
st->codecpar->codec_id == AV_CODEC_ID_SIPR ||
st->codecpar->codec_id == AV_CODEC_ID_ATRAC3) &&
st->codecpar->block_align && track->audio.sub_packet_size) {
res = matroska_parse_rm_audio(matroska, track, st, data,
lace_size[n],
timecode, pos);
if (res)
goto end;
} else if (st->codecpar->codec_id == AV_CODEC_ID_WEBVTT) {
res = matroska_parse_webvtt(matroska, track, st,
data, lace_size[n],
timecode, lace_duration,
pos);
if (res)
goto end;
} else {
res = matroska_parse_frame(matroska, track, st, data, lace_size[n],
timecode, lace_duration, pos,
!n ? is_keyframe : 0,
additional, additional_id, additional_size,
discard_padding);
if (res)
goto end;
}
if (timecode != AV_NOPTS_VALUE)
timecode = lace_duration ? timecode + lace_duration : AV_NOPTS_VALUE;
data += lace_size[n];
size -= lace_size[n];
}
end:
av_free(lace_size);
return res;
}
| 15,598 |
qemu | eba2af633fb8fa3b20ad578184d79e1f0eabcefe | 1 | void cpu_x86_dump_state(CPUX86State *env, FILE *f, int flags)
{
int eflags, i;
char cc_op_name[32];
static const char *seg_name[6] = { "ES", "CS", "SS", "DS", "FS", "GS" };
eflags = env->eflags;
fprintf(f, "EAX=%08x EBX=%08x ECX=%08x EDX=%08x\n"
"ESI=%08x EDI=%08x EBP=%08x ESP=%08x\n"
"EIP=%08x EFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d\n",
env->regs[R_EAX], env->regs[R_EBX], env->regs[R_ECX], env->regs[R_EDX],
env->regs[R_ESI], env->regs[R_EDI], env->regs[R_EBP], env->regs[R_ESP],
env->eip, eflags,
eflags & DF_MASK ? 'D' : '-',
eflags & CC_O ? 'O' : '-',
eflags & CC_S ? 'S' : '-',
eflags & CC_Z ? 'Z' : '-',
eflags & CC_A ? 'A' : '-',
eflags & CC_P ? 'P' : '-',
eflags & CC_C ? 'C' : '-',
env->hflags & HF_CPL_MASK,
(env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1,
(env->a20_mask >> 20) & 1);
for(i = 0; i < 6; i++) {
SegmentCache *sc = &env->segs[i];
fprintf(f, "%s =%04x %08x %08x %08x\n",
seg_name[i],
sc->selector,
(int)sc->base,
sc->limit,
sc->flags);
}
fprintf(f, "LDT=%04x %08x %08x %08x\n",
env->ldt.selector,
(int)env->ldt.base,
env->ldt.limit,
env->ldt.flags);
fprintf(f, "TR =%04x %08x %08x %08x\n",
env->tr.selector,
(int)env->tr.base,
env->tr.limit,
env->tr.flags);
fprintf(f, "GDT= %08x %08x\n",
(int)env->gdt.base, env->gdt.limit);
fprintf(f, "IDT= %08x %08x\n",
(int)env->idt.base, env->idt.limit);
fprintf(f, "CR0=%08x CR2=%08x CR3=%08x CR4=%08x\n",
env->cr[0], env->cr[2], env->cr[3], env->cr[4]);
if (flags & X86_DUMP_CCOP) {
if ((unsigned)env->cc_op < CC_OP_NB)
strcpy(cc_op_name, cc_op_str[env->cc_op]);
else
snprintf(cc_op_name, sizeof(cc_op_name), "[%d]", env->cc_op);
fprintf(f, "CCS=%08x CCD=%08x CCO=%-8s\n",
env->cc_src, env->cc_dst, cc_op_name);
}
if (flags & X86_DUMP_FPU) {
fprintf(f, "ST0=%f ST1=%f ST2=%f ST3=%f\n",
(double)env->fpregs[0],
(double)env->fpregs[1],
(double)env->fpregs[2],
(double)env->fpregs[3]);
fprintf(f, "ST4=%f ST5=%f ST6=%f ST7=%f\n",
(double)env->fpregs[4],
(double)env->fpregs[5],
(double)env->fpregs[7],
(double)env->fpregs[8]);
}
}
| 15,599 |
qemu | cc05c43ad942165ecc6ffd39e41991bee43af044 | 1 | static void memory_region_read_accessor(MemoryRegion *mr,
hwaddr addr,
uint64_t *value,
unsigned size,
unsigned shift,
uint64_t mask)
{
uint64_t tmp;
if (mr->flush_coalesced_mmio) {
qemu_flush_coalesced_mmio_buffer();
}
tmp = mr->ops->read(mr->opaque, addr, size);
trace_memory_region_ops_read(mr, addr, tmp, size);
*value |= (tmp & mask) << shift;
}
| 15,600 |
qemu | 0187688f3270433269fc7d4909ad36dc5c5db7aa | 1 | static void dec_load(DisasContext *dc)
{
TCGv t, *addr;
unsigned int size;
size = 1 << (dc->opcode & 3);
LOG_DIS("l %x %d\n", dc->opcode, size);
t_sync_flags(dc);
addr = compute_ldst_addr(dc, &t);
/* If we get a fault on a dslot, the jmpstate better be in sync. */
sync_jmpstate(dc);
/* Verify alignment if needed. */
if ((dc->env->pvr.regs[2] & PVR2_UNALIGNED_EXC_MASK) && size > 1) {
gen_helper_memalign(*addr, tcg_const_tl(dc->rd),
tcg_const_tl(0), tcg_const_tl(size - 1));
if (dc->rd) {
gen_load(dc, cpu_R[dc->rd], *addr, size);
} else {
gen_load(dc, env_imm, *addr, size);
if (addr == &t)
tcg_temp_free(t);
| 15,601 |
qemu | a12a5a1a0132527afe87c079e4aae4aad372bd94 | 1 | static void test_visitor_in_int_overflow(TestInputVisitorData *data,
const void *unused)
{
int64_t res = 0;
Error *err = NULL;
Visitor *v;
/* this will overflow a Qint/int64, so should be deserialized into
* a QFloat/double field instead, leading to an error if we pass it
* to visit_type_int. confirm this.
*/
v = visitor_input_test_init(data, "%f", DBL_MAX);
visit_type_int(v, &res, NULL, &err);
g_assert(err);
error_free(err);
}
| 15,602 |
FFmpeg | 26ae9a5d7c448a3eb42641b546ee8d585ab716e6 | 1 | static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
AVCodecParserContext *pc, AVPacket *pkt)
{
int num, den, presentation_delayed, delay, i;
int64_t offset;
if (s->flags & AVFMT_FLAG_NOFILLIN)
return;
if((s->flags & AVFMT_FLAG_IGNDTS) && pkt->pts != AV_NOPTS_VALUE)
pkt->dts= AV_NOPTS_VALUE;
if (st->codec->codec_id != CODEC_ID_H264 && pc && pc->pict_type == AV_PICTURE_TYPE_B)
//FIXME Set low_delay = 0 when has_b_frames = 1
st->codec->has_b_frames = 1;
/* do we have a video B-frame ? */
delay= st->codec->has_b_frames;
presentation_delayed = 0;
// ignore delay caused by frame threading so that the mpeg2-without-dts
// warning will not trigger
if (delay && st->codec->active_thread_type&FF_THREAD_FRAME)
delay -= st->codec->thread_count-1;
/* XXX: need has_b_frame, but cannot get it if the codec is
not initialized */
if (delay &&
pc && pc->pict_type != AV_PICTURE_TYPE_B)
presentation_delayed = 1;
if(pkt->pts != AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE && pkt->dts - (1LL<<(st->pts_wrap_bits-1)) > pkt->pts && st->pts_wrap_bits<63){
pkt->dts -= 1LL<<st->pts_wrap_bits;
}
// some mpeg2 in mpeg-ps lack dts (issue171 / input_file.mpg)
// we take the conservative approach and discard both
// Note, if this is misbehaving for a H.264 file then possibly presentation_delayed is not set correctly.
if(delay==1 && pkt->dts == pkt->pts && pkt->dts != AV_NOPTS_VALUE && presentation_delayed){
av_log(s, AV_LOG_DEBUG, "invalid dts/pts combination %"PRIi64"\n", pkt->dts);
pkt->dts= pkt->pts= AV_NOPTS_VALUE;
}
if (pkt->duration == 0) {
compute_frame_duration(&num, &den, st, pc, pkt);
if (den && num) {
pkt->duration = av_rescale_rnd(1, num * (int64_t)st->time_base.den, den * (int64_t)st->time_base.num, AV_ROUND_DOWN);
if(pkt->duration != 0 && s->packet_buffer)
update_initial_durations(s, st, pkt);
}
}
/* correct timestamps with byte offset if demuxers only have timestamps
on packet boundaries */
if(pc && st->need_parsing == AVSTREAM_PARSE_TIMESTAMPS && pkt->size){
/* this will estimate bitrate based on this frame's duration and size */
offset = av_rescale(pc->offset, pkt->duration, pkt->size);
if(pkt->pts != AV_NOPTS_VALUE)
pkt->pts += offset;
if(pkt->dts != AV_NOPTS_VALUE)
pkt->dts += offset;
}
if (pc && pc->dts_sync_point >= 0) {
// we have synchronization info from the parser
int64_t den = st->codec->time_base.den * (int64_t) st->time_base.num;
if (den > 0) {
int64_t num = st->codec->time_base.num * (int64_t) st->time_base.den;
if (pkt->dts != AV_NOPTS_VALUE) {
// got DTS from the stream, update reference timestamp
st->reference_dts = pkt->dts - pc->dts_ref_dts_delta * num / den;
pkt->pts = pkt->dts + pc->pts_dts_delta * num / den;
} else if (st->reference_dts != AV_NOPTS_VALUE) {
// compute DTS based on reference timestamp
pkt->dts = st->reference_dts + pc->dts_ref_dts_delta * num / den;
pkt->pts = pkt->dts + pc->pts_dts_delta * num / den;
}
if (pc->dts_sync_point > 0)
st->reference_dts = pkt->dts; // new reference
}
}
/* This may be redundant, but it should not hurt. */
if(pkt->dts != AV_NOPTS_VALUE && pkt->pts != AV_NOPTS_VALUE && pkt->pts > pkt->dts)
presentation_delayed = 1;
// av_log(NULL, AV_LOG_DEBUG, "IN delayed:%d pts:%"PRId64", dts:%"PRId64" cur_dts:%"PRId64" st:%d pc:%p\n", presentation_delayed, pkt->pts, pkt->dts, st->cur_dts, pkt->stream_index, pc);
/* interpolate PTS and DTS if they are not present */
//We skip H264 currently because delay and has_b_frames are not reliably set
if((delay==0 || (delay==1 && pc)) && st->codec->codec_id != CODEC_ID_H264){
if (presentation_delayed) {
/* DTS = decompression timestamp */
/* PTS = presentation timestamp */
if (pkt->dts == AV_NOPTS_VALUE)
pkt->dts = st->last_IP_pts;
update_initial_timestamps(s, pkt->stream_index, pkt->dts, pkt->pts);
if (pkt->dts == AV_NOPTS_VALUE)
pkt->dts = st->cur_dts;
/* this is tricky: the dts must be incremented by the duration
of the frame we are displaying, i.e. the last I- or P-frame */
if (st->last_IP_duration == 0)
st->last_IP_duration = pkt->duration;
if(pkt->dts != AV_NOPTS_VALUE)
st->cur_dts = pkt->dts + st->last_IP_duration;
st->last_IP_duration = pkt->duration;
st->last_IP_pts= pkt->pts;
/* cannot compute PTS if not present (we can compute it only
by knowing the future */
} else if(pkt->pts != AV_NOPTS_VALUE || pkt->dts != AV_NOPTS_VALUE || pkt->duration){
if(pkt->pts != AV_NOPTS_VALUE && pkt->duration){
int64_t old_diff= FFABS(st->cur_dts - pkt->duration - pkt->pts);
int64_t new_diff= FFABS(st->cur_dts - pkt->pts);
if(old_diff < new_diff && old_diff < (pkt->duration>>3)){
pkt->pts += pkt->duration;
// av_log(NULL, AV_LOG_DEBUG, "id:%d old:%"PRId64" new:%"PRId64" dur:%d cur:%"PRId64" size:%d\n", pkt->stream_index, old_diff, new_diff, pkt->duration, st->cur_dts, pkt->size);
}
}
/* presentation is not delayed : PTS and DTS are the same */
if(pkt->pts == AV_NOPTS_VALUE)
pkt->pts = pkt->dts;
update_initial_timestamps(s, pkt->stream_index, pkt->pts, pkt->pts);
if(pkt->pts == AV_NOPTS_VALUE)
pkt->pts = st->cur_dts;
pkt->dts = pkt->pts;
if(pkt->pts != AV_NOPTS_VALUE)
st->cur_dts = pkt->pts + pkt->duration;
}
}
if(pkt->pts != AV_NOPTS_VALUE && delay <= MAX_REORDER_DELAY){
st->pts_buffer[0]= pkt->pts;
for(i=0; i<delay && st->pts_buffer[i] > st->pts_buffer[i+1]; i++)
FFSWAP(int64_t, st->pts_buffer[i], st->pts_buffer[i+1]);
if(pkt->dts == AV_NOPTS_VALUE)
pkt->dts= st->pts_buffer[0];
if(st->codec->codec_id == CODEC_ID_H264){ //we skiped it above so we try here
update_initial_timestamps(s, pkt->stream_index, pkt->dts, pkt->pts); // this should happen on the first packet
}
if(pkt->dts > st->cur_dts)
st->cur_dts = pkt->dts;
}
// av_log(NULL, AV_LOG_ERROR, "OUTdelayed:%d/%d pts:%"PRId64", dts:%"PRId64" cur_dts:%"PRId64"\n", presentation_delayed, delay, pkt->pts, pkt->dts, st->cur_dts);
/* update flags */
if(is_intra_only(st->codec))
pkt->flags |= AV_PKT_FLAG_KEY;
else if (pc) {
pkt->flags = 0;
/* keyframe computation */
if (pc->key_frame == 1)
pkt->flags |= AV_PKT_FLAG_KEY;
else if (pc->key_frame == -1 && pc->pict_type == AV_PICTURE_TYPE_I)
pkt->flags |= AV_PKT_FLAG_KEY;
}
if (pc)
pkt->convergence_duration = pc->convergence_duration;
}
| 15,603 |
FFmpeg | 5f634480d1c4ed7711a15d1be07e49177cf351c1 | 0 | static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
{
AVFilterContext *ctx = inlink->dst;
AVFilterLink *outlink = ctx->outputs[0];
ShowWavesContext *showwaves = ctx->priv;
const int nb_samples = insamples->audio->nb_samples;
AVFilterBufferRef *outpicref = showwaves->outpicref;
int linesize = outpicref ? outpicref->linesize[0] : 0;
int16_t *p = (int16_t *)insamples->data[0];
int nb_channels = av_get_channel_layout_nb_channels(insamples->audio->channel_layout);
int i, j, h;
const int n = showwaves->n;
const int x = 255 / (nb_channels * n); /* multiplication factor, pre-computed to avoid in-loop divisions */
/* draw data in the buffer */
for (i = 0; i < nb_samples; i++) {
if (showwaves->buf_idx == 0 && showwaves->sample_count_mod == 0) {
showwaves->outpicref = outpicref =
ff_get_video_buffer(outlink, AV_PERM_WRITE|AV_PERM_ALIGN,
outlink->w, outlink->h);
outpicref->video->w = outlink->w;
outpicref->video->h = outlink->h;
outpicref->pts = insamples->pts +
av_rescale_q((p - (int16_t *)insamples->data[0]) / nb_channels,
(AVRational){ 1, inlink->sample_rate },
outlink->time_base);
linesize = outpicref->linesize[0];
memset(outpicref->data[0], 0, showwaves->h*linesize);
}
for (j = 0; j < nb_channels; j++) {
h = showwaves->h/2 - av_rescale(*p++, showwaves->h/2, MAX_INT16);
if (h >= 0 && h < outlink->h)
*(outpicref->data[0] + showwaves->buf_idx + h * linesize) += x;
}
showwaves->sample_count_mod++;
if (showwaves->sample_count_mod == n) {
showwaves->sample_count_mod = 0;
showwaves->buf_idx++;
}
if (showwaves->buf_idx == showwaves->w)
push_frame(outlink);
}
avfilter_unref_buffer(insamples);
return 0;
}
| 15,604 |
FFmpeg | d55f83de4d419d22d2fd2c0b9ff4ce6bf93847d6 | 0 | static inline void quantize_coefs(double *coef, int *idx, float *lpc, int order,
int c_bits)
{
int i;
const float *quant_arr = tns_tmp2_map[c_bits];
for (i = 0; i < order; i++) {
idx[i] = quant_array_idx((float)coef[i], quant_arr, c_bits ? 16 : 8);
lpc[i] = quant_arr[idx[i]];
}
}
| 15,605 |
qemu | fb7b5c0df6e3c501973ce4d57eb2b1d4344a519d | 0 | static void scsi_block_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);
sc->realize = scsi_block_realize;
sc->unrealize = scsi_unrealize;
sc->alloc_req = scsi_block_new_request;
sc->parse_cdb = scsi_block_parse_cdb;
dc->fw_name = "disk";
dc->desc = "SCSI block device passthrough";
dc->reset = scsi_disk_reset;
dc->props = scsi_block_properties;
dc->vmsd = &vmstate_scsi_disk_state;
}
| 15,606 |
qemu | bb593904c18e22ea0671dfa1b02e24982f2bf0ea | 0 | static inline target_phys_addr_t get_pgaddr(target_phys_addr_t sdr1,
int sdr_sh,
target_phys_addr_t hash,
target_phys_addr_t mask)
{
return (sdr1 & ((target_phys_addr_t)(-1ULL) << sdr_sh)) | (hash & mask);
}
| 15,607 |
qemu | bf89e87427fb99b994eb0dfb710bb4b45785f733 | 0 | int vhdx_parse_log(BlockDriverState *bs, BDRVVHDXState *s, bool *flushed,
Error **errp)
{
int ret = 0;
VHDXHeader *hdr;
VHDXLogSequence logs = { 0 };
hdr = s->headers[s->curr_header];
*flushed = false;
/* s->log.hdr is freed in vhdx_close() */
if (s->log.hdr == NULL) {
s->log.hdr = qemu_blockalign(bs, sizeof(VHDXLogEntryHeader));
}
s->log.offset = hdr->log_offset;
s->log.length = hdr->log_length;
if (s->log.offset < VHDX_LOG_MIN_SIZE ||
s->log.offset % VHDX_LOG_MIN_SIZE) {
ret = -EINVAL;
goto exit;
}
/* per spec, only log version of 0 is supported */
if (hdr->log_version != 0) {
ret = -EINVAL;
goto exit;
}
/* If either the log guid, or log length is zero,
* then a replay log is not present */
if (guid_eq(hdr->log_guid, zero_guid)) {
goto exit;
}
if (hdr->log_length == 0) {
goto exit;
}
if (hdr->log_length % VHDX_LOG_MIN_SIZE) {
ret = -EINVAL;
goto exit;
}
/* The log is present, we need to find if and where there is an active
* sequence of valid entries present in the log. */
ret = vhdx_log_search(bs, s, &logs);
if (ret < 0) {
goto exit;
}
if (logs.valid) {
if (bs->read_only) {
ret = -EPERM;
error_setg_errno(errp, EPERM,
"VHDX image file '%s' opened read-only, but "
"contains a log that needs to be replayed. To "
"replay the log, execute:\n qemu-img check -r "
"all '%s'",
bs->filename, bs->filename);
goto exit;
}
/* now flush the log */
ret = vhdx_log_flush(bs, s, &logs);
if (ret < 0) {
goto exit;
}
*flushed = true;
}
exit:
return ret;
}
| 15,608 |
qemu | be08e65e01f1c50fa1552c4f892443cb25bb98e4 | 0 | static gboolean fd_trampoline(GIOChannel *chan, GIOCondition cond, gpointer opaque)
{
IOTrampoline *tramp = opaque;
if ((cond & G_IO_IN) && tramp->fd_read) {
tramp->fd_read(tramp->opaque);
}
if ((cond & G_IO_OUT) && tramp->fd_write) {
tramp->fd_write(tramp->opaque);
}
return TRUE;
}
| 15,609 |
qemu | 6acbe4c6f18e7de00481ff30574262b58526de45 | 0 | static void s390_virtio_serial_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtIOS390DeviceClass *k = VIRTIO_S390_DEVICE_CLASS(klass);
k->init = s390_virtio_serial_init;
dc->props = s390_virtio_serial_properties;
dc->alias = "virtio-serial";
}
| 15,610 |
FFmpeg | 7ccc0ed6a0cedbe80443779a805ec90335cd832f | 0 | static uint64_t get_fourcc(AVIOContext *bc)
{
unsigned int len = ffio_read_varlen(bc);
if (len == 2)
return avio_rl16(bc);
else if (len == 4)
return avio_rl32(bc);
else
return -1;
}
| 15,611 |
qemu | bd5c51ee6c4f1c79cae5ad2516d711a27b4ea8ec | 0 | void qemu_chr_be_generic_open(CharDriverState *s)
{
if (s->idle_tag == 0) {
s->idle_tag = g_idle_add(qemu_chr_be_generic_open_bh, s);
}
}
| 15,613 |
qemu | 90e496386fe7fd32c189561f846b7913f95b8cf4 | 0 | static void write_fp_dreg(DisasContext *s, int reg, TCGv_i64 v)
{
TCGv_i64 tcg_zero = tcg_const_i64(0);
tcg_gen_st_i64(v, cpu_env, fp_reg_offset(reg, MO_64));
tcg_gen_st_i64(tcg_zero, cpu_env, fp_reg_hi_offset(reg));
tcg_temp_free_i64(tcg_zero);
}
| 15,614 |
FFmpeg | d1a4544de904cc76fea32d9d22252152ebb18edb | 0 | static int ac3_probe(AVProbeData *p)
{
int max_frames, first_frames = 0, frames;
uint8_t *buf, *buf2, *end;
AC3HeaderInfo hdr;
if(p->buf_size < 7)
return 0;
max_frames = 0;
buf = p->buf;
end = buf + p->buf_size;
for(; buf < end; buf++) {
buf2 = buf;
for(frames = 0; buf2 < end; frames++) {
if(ff_ac3_parse_header(buf2, &hdr) < 0)
break;
buf2 += hdr.frame_size;
}
max_frames = FFMAX(max_frames, frames);
if(buf == p->buf)
first_frames = frames;
}
if (first_frames>=3) return AVPROBE_SCORE_MAX * 3 / 4;
else if(max_frames>=3) return AVPROBE_SCORE_MAX / 2;
else if(max_frames>=1) return 1;
else return 0;
}
| 15,616 |
FFmpeg | 465e1dadbef7596a3eb87089a66bb4ecdc26d3c4 | 0 | int init_put_byte(ByteIOContext *s,
unsigned char *buffer,
int buffer_size,
int write_flag,
void *opaque,
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
void (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
int (*seek)(void *opaque, offset_t offset, int whence))
{
s->buffer = buffer;
s->buffer_size = buffer_size;
s->buf_ptr = buffer;
s->write_flag = write_flag;
if (!s->write_flag)
s->buf_end = buffer;
else
s->buf_end = buffer + buffer_size;
s->opaque = opaque;
s->write_packet = write_packet;
s->read_packet = read_packet;
s->seek = seek;
s->pos = 0;
s->must_flush = 0;
s->eof_reached = 0;
s->is_streamed = 0;
s->max_packet_size = 0;
s->checksum_ptr= NULL;
s->update_checksum= NULL;
return 0;
}
| 15,617 |
qemu | d8fd2954996255ba6ad610917e7849832d0120b7 | 1 | static void do_interrupt_v7m(CPUARMState *env)
{
uint32_t xpsr = xpsr_read(env);
uint32_t lr;
uint32_t addr;
lr = 0xfffffff1;
if (env->v7m.current_sp)
lr |= 4;
if (env->v7m.exception == 0)
lr |= 8;
/* For exceptions we just mark as pending on the NVIC, and let that
handle it. */
/* TODO: Need to escalate if the current priority is higher than the
one we're raising. */
switch (env->exception_index) {
case EXCP_UDEF:
armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_USAGE);
return;
case EXCP_SWI:
env->regs[15] += 2;
armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_SVC);
return;
case EXCP_PREFETCH_ABORT:
case EXCP_DATA_ABORT:
armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_MEM);
return;
case EXCP_BKPT:
if (semihosting_enabled) {
int nr;
nr = lduw_code(env->regs[15]) & 0xff;
if (nr == 0xab) {
env->regs[15] += 2;
env->regs[0] = do_arm_semihosting(env);
return;
}
}
armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_DEBUG);
return;
case EXCP_IRQ:
env->v7m.exception = armv7m_nvic_acknowledge_irq(env->nvic);
break;
case EXCP_EXCEPTION_EXIT:
do_v7m_exception_exit(env);
return;
default:
cpu_abort(env, "Unhandled exception 0x%x\n", env->exception_index);
return; /* Never happens. Keep compiler happy. */
}
/* Align stack pointer. */
/* ??? Should only do this if Configuration Control Register
STACKALIGN bit is set. */
if (env->regs[13] & 4) {
env->regs[13] -= 4;
xpsr |= 0x200;
}
/* Switch to the handler mode. */
v7m_push(env, xpsr);
v7m_push(env, env->regs[15]);
v7m_push(env, env->regs[14]);
v7m_push(env, env->regs[12]);
v7m_push(env, env->regs[3]);
v7m_push(env, env->regs[2]);
v7m_push(env, env->regs[1]);
v7m_push(env, env->regs[0]);
switch_v7m_sp(env, 0);
/* Clear IT bits */
env->condexec_bits = 0;
env->regs[14] = lr;
addr = ldl_phys(env->v7m.vecbase + env->v7m.exception * 4);
env->regs[15] = addr & 0xfffffffe;
env->thumb = addr & 1;
}
| 15,618 |
FFmpeg | b563afe6fa9345a62750055998a28a3926c02334 | 1 | static int aac_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
AACContext *ac = avctx->priv_data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
GetBitContext gb;
int buf_consumed;
int buf_offset;
int err;
int new_extradata_size;
const uint8_t *new_extradata = av_packet_get_side_data(avpkt,
AV_PKT_DATA_NEW_EXTRADATA,
&new_extradata_size);
int jp_dualmono_size;
const uint8_t *jp_dualmono = av_packet_get_side_data(avpkt,
AV_PKT_DATA_JP_DUALMONO,
&jp_dualmono_size);
if (new_extradata && 0) {
av_free(avctx->extradata);
avctx->extradata = av_mallocz(new_extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
return AVERROR(ENOMEM);
avctx->extradata_size = new_extradata_size;
memcpy(avctx->extradata, new_extradata, new_extradata_size);
push_output_configuration(ac);
if (decode_audio_specific_config(ac, ac->avctx, &ac->oc[1].m4ac,
avctx->extradata,
avctx->extradata_size*8, 1) < 0) {
pop_output_configuration(ac);
}
}
ac->dmono_mode = 0;
if (jp_dualmono && jp_dualmono_size > 0)
ac->dmono_mode = 1 + *jp_dualmono;
if (ac->force_dmono_mode >= 0)
ac->dmono_mode = ac->force_dmono_mode;
init_get_bits(&gb, buf, buf_size * 8);
if ((err = aac_decode_frame_int(avctx, data, got_frame_ptr, &gb, avpkt)) < 0)
return err;
buf_consumed = (get_bits_count(&gb) + 7) >> 3;
for (buf_offset = buf_consumed; buf_offset < buf_size; buf_offset++)
if (buf[buf_offset])
break;
return buf_size > buf_offset ? buf_consumed : buf_size;
} | 15,619 |
qemu | 4172a00373b2c81374293becc02b16b7f8c76659 | 1 | static void block_job_unref(BlockJob *job)
{
if (--job->refcnt == 0) {
BlockDriverState *bs = blk_bs(job->blk);
bs->job = NULL;
block_job_remove_all_bdrv(job);
blk_remove_aio_context_notifier(job->blk,
block_job_attached_aio_context,
block_job_detach_aio_context, job);
blk_unref(job->blk);
error_free(job->blocker);
g_free(job->id);
QLIST_REMOVE(job, job_list);
g_free(job);
}
}
| 15,620 |
FFmpeg | 22a7e19b50cc1627dd16e22c5e89b1f92f1d0c0e | 1 | static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
{
int packet_size, ret, width, height;
AVStream *st = s->streams[0];
width = st->codec->width;
height = st->codec->height;
packet_size = avpicture_get_size(st->codec->pix_fmt, width, height);
if (packet_size < 0)
return -1;
ret= av_get_packet(s->pb, pkt, packet_size);
pkt->pts=
pkt->dts= pkt->pos / packet_size;
pkt->stream_index = 0;
if (ret != packet_size)
return AVERROR(EIO);
return 0;
}
| 15,621 |
FFmpeg | 951cbea56fdc03ef96d07fbd7e5bed755d42ac8a | 1 | static int mpeg_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
Mpeg1Context *s = avctx->priv_data;
AVFrame *picture = data;
MpegEncContext *s2 = &s->mpeg_enc_ctx;
av_dlog(avctx, "fill_buffer\n");
if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == SEQ_END_CODE)) {
/* special case for last picture */
if (s2->low_delay == 0 && s2->next_picture_ptr) {
*picture = s2->next_picture_ptr->f;
s2->next_picture_ptr = NULL;
*data_size = sizeof(AVFrame);
}
return buf_size;
}
if (s2->flags & CODEC_FLAG_TRUNCATED) {
int next = ff_mpeg1_find_frame_end(&s2->parse_context, buf, buf_size, NULL);
if (ff_combine_frame(&s2->parse_context, next, (const uint8_t **)&buf, &buf_size) < 0)
return buf_size;
}
s2->codec_tag = avpriv_toupper4(avctx->codec_tag);
if (s->mpeg_enc_ctx_allocated == 0 && ( s2->codec_tag == AV_RL32("VCR2")
|| s2->codec_tag == AV_RL32("BW10")
))
vcr2_init_sequence(avctx);
s->slice_count = 0;
if (avctx->extradata && !avctx->frame_number) {
int ret = decode_chunks(avctx, picture, data_size, avctx->extradata, avctx->extradata_size);
if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
return ret;
}
return decode_chunks(avctx, picture, data_size, buf, buf_size);
} | 15,623 |
FFmpeg | b6eaa3928e198554a3934dd5ad6eac4d16f27df2 | 1 | void ff_h264_remove_all_refs(H264Context *h)
{
int i;
for (i = 0; i < 16; i++) {
remove_long(h, i, 0);
}
assert(h->long_ref_count == 0);
if (h->short_ref_count && !h->last_pic_for_ec.f->data[0]) {
ff_h264_unref_picture(h, &h->last_pic_for_ec);
if (h->short_ref[0]->f->buf[0])
ff_h264_ref_picture(h, &h->last_pic_for_ec, h->short_ref[0]);
}
for (i = 0; i < h->short_ref_count; i++) {
unreference_pic(h, h->short_ref[i], 0);
h->short_ref[i] = NULL;
}
h->short_ref_count = 0;
memset(h->default_ref, 0, sizeof(h->default_ref));
}
| 15,624 |
qemu | 5706db1deb061ee9affdcea81e59c4c2cad7c41e | 1 | static int oss_init_in (HWVoiceIn *hw, struct audsettings *as)
{
OSSVoiceIn *oss = (OSSVoiceIn *) hw;
struct oss_params req, obt;
int endianness;
int err;
int fd;
audfmt_e effective_fmt;
struct audsettings obt_as;
oss->fd = -1;
req.fmt = aud_to_ossfmt (as->fmt, as->endianness);
req.freq = as->freq;
req.nchannels = as->nchannels;
req.fragsize = conf.fragsize;
req.nfrags = conf.nfrags;
if (oss_open (1, &req, &obt, &fd)) {
return -1;
}
err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness);
if (err) {
oss_anal_close (&fd);
return -1;
}
obt_as.freq = obt.freq;
obt_as.nchannels = obt.nchannels;
obt_as.fmt = effective_fmt;
obt_as.endianness = endianness;
audio_pcm_init_info (&hw->info, &obt_as);
oss->nfrags = obt.nfrags;
oss->fragsize = obt.fragsize;
if (obt.nfrags * obt.fragsize & hw->info.align) {
dolog ("warning: Misaligned ADC buffer, size %d, alignment %d\n",
obt.nfrags * obt.fragsize, hw->info.align + 1);
}
hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift;
oss->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
if (!oss->pcm_buf) {
dolog ("Could not allocate ADC buffer (%d samples, each %d bytes)\n",
hw->samples, 1 << hw->info.shift);
oss_anal_close (&fd);
return -1;
}
oss->fd = fd;
return 0;
}
| 15,625 |
FFmpeg | baba2eedacbbaecf55bdb89dbfe32c69799df99f | 1 | int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
{
int i;
int usesVFilter, usesHFilter;
int unscaled;
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
int srcW= c->srcW;
int srcH= c->srcH;
int dstW= c->dstW;
int dstH= c->dstH;
int dst_stride = FFALIGN(dstW * sizeof(int16_t) + 16, 16), dst_stride_px = dst_stride >> 1;
int flags, cpu_flags;
enum PixelFormat srcFormat= c->srcFormat;
enum PixelFormat dstFormat= c->dstFormat;
cpu_flags = av_get_cpu_flags();
flags = c->flags;
emms_c();
if (!rgb15to16) sws_rgb2rgb_init();
unscaled = (srcW == dstW && srcH == dstH);
if (!isSupportedIn(srcFormat)) {
av_log(c, AV_LOG_ERROR, "%s is not supported as input pixel format\n", sws_format_name(srcFormat));
return AVERROR(EINVAL);
}
if (!isSupportedOut(dstFormat)) {
av_log(c, AV_LOG_ERROR, "%s is not supported as output pixel format\n", sws_format_name(dstFormat));
return AVERROR(EINVAL);
}
i= flags & ( SWS_POINT
|SWS_AREA
|SWS_BILINEAR
|SWS_FAST_BILINEAR
|SWS_BICUBIC
|SWS_X
|SWS_GAUSS
|SWS_LANCZOS
|SWS_SINC
|SWS_SPLINE
|SWS_BICUBLIN);
if(!i || (i & (i-1))) {
av_log(c, AV_LOG_ERROR, "Exactly one scaler algorithm must be chosen\n");
return AVERROR(EINVAL);
}
/* sanity check */
if (srcW<4 || srcH<1 || dstW<8 || dstH<1) { //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code
av_log(c, AV_LOG_ERROR, "%dx%d -> %dx%d is invalid scaling dimension\n",
srcW, srcH, dstW, dstH);
return AVERROR(EINVAL);
}
if (!dstFilter) dstFilter= &dummyFilter;
if (!srcFilter) srcFilter= &dummyFilter;
c->lumXInc= ((srcW<<16) + (dstW>>1))/dstW;
c->lumYInc= ((srcH<<16) + (dstH>>1))/dstH;
c->dstFormatBpp = av_get_bits_per_pixel(&av_pix_fmt_descriptors[dstFormat]);
c->srcFormatBpp = av_get_bits_per_pixel(&av_pix_fmt_descriptors[srcFormat]);
c->vRounder= 4* 0x0001000100010001ULL;
usesVFilter = (srcFilter->lumV && srcFilter->lumV->length>1) ||
(srcFilter->chrV && srcFilter->chrV->length>1) ||
(dstFilter->lumV && dstFilter->lumV->length>1) ||
(dstFilter->chrV && dstFilter->chrV->length>1);
usesHFilter = (srcFilter->lumH && srcFilter->lumH->length>1) ||
(srcFilter->chrH && srcFilter->chrH->length>1) ||
(dstFilter->lumH && dstFilter->lumH->length>1) ||
(dstFilter->chrH && dstFilter->chrH->length>1);
getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat);
getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat);
// reuse chroma for 2 pixels RGB/BGR unless user wants full chroma interpolation
if (flags & SWS_FULL_CHR_H_INT &&
dstFormat != PIX_FMT_RGBA &&
dstFormat != PIX_FMT_ARGB &&
dstFormat != PIX_FMT_BGRA &&
dstFormat != PIX_FMT_ABGR &&
dstFormat != PIX_FMT_RGB24 &&
dstFormat != PIX_FMT_BGR24) {
av_log(c, AV_LOG_ERROR,
"full chroma interpolation for destination format '%s' not yet implemented\n",
sws_format_name(dstFormat));
flags &= ~SWS_FULL_CHR_H_INT;
c->flags = flags;
}
if (isAnyRGB(dstFormat) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1;
// drop some chroma lines if the user wants it
c->vChrDrop= (flags&SWS_SRC_V_CHR_DROP_MASK)>>SWS_SRC_V_CHR_DROP_SHIFT;
c->chrSrcVSubSample+= c->vChrDrop;
// drop every other pixel for chroma calculation unless user wants full chroma
if (isAnyRGB(srcFormat) && !(flags&SWS_FULL_CHR_H_INP)
&& srcFormat!=PIX_FMT_RGB8 && srcFormat!=PIX_FMT_BGR8
&& srcFormat!=PIX_FMT_RGB4 && srcFormat!=PIX_FMT_BGR4
&& srcFormat!=PIX_FMT_RGB4_BYTE && srcFormat!=PIX_FMT_BGR4_BYTE
&& ((dstW>>c->chrDstHSubSample) <= (srcW>>1) || (flags&SWS_FAST_BILINEAR)))
c->chrSrcHSubSample=1;
// Note the -((-x)>>y) is so that we always round toward +inf.
c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample);
c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample);
c->chrDstW= -((-dstW) >> c->chrDstHSubSample);
c->chrDstH= -((-dstH) >> c->chrDstVSubSample);
/* unscaled special cases */
if (unscaled && !usesHFilter && !usesVFilter && (c->srcRange == c->dstRange || isAnyRGB(dstFormat))) {
ff_get_unscaled_swscale(c);
if (c->swScale) {
if (flags&SWS_PRINT_INFO)
av_log(c, AV_LOG_INFO, "using unscaled %s -> %s special converter\n",
sws_format_name(srcFormat), sws_format_name(dstFormat));
return 0;
}
}
c->scalingBpp = FFMAX(av_pix_fmt_descriptors[srcFormat].comp[0].depth_minus1,
av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1) >= 8 ? 16 : 8;
if (c->scalingBpp == 16)
dst_stride <<= 1;
FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW, 16) * 2 * c->scalingBpp >> 3, fail);
if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2 && c->scalingBpp == 8) {
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0;
if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) {
if (flags&SWS_PRINT_INFO)
av_log(c, AV_LOG_INFO, "output width is not a multiple of 32 -> no MMX2 scaler\n");
}
if (usesHFilter) c->canMMX2BeUsed=0;
}
else
c->canMMX2BeUsed=0;
c->chrXInc= ((c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW;
c->chrYInc= ((c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH;
// match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst
// but only for the FAST_BILINEAR mode otherwise do correct scaling
// n-2 is the last chrominance sample available
// this is not perfect, but no one should notice the difference, the more correct variant
// would be like the vertical one, but that would require some special code for the
// first and last pixel
if (flags&SWS_FAST_BILINEAR) {
if (c->canMMX2BeUsed) {
c->lumXInc+= 20;
c->chrXInc+= 20;
}
//we don't use the x86 asm scaler if MMX is available
else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) {
c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20;
c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20;
}
}
/* precalculate horizontal scaler filter coefficients */
{
#if HAVE_MMX2
// can't downscale !!!
if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) {
c->lumMmx2FilterCodeSize = initMMX2HScaler( dstW, c->lumXInc, NULL, NULL, NULL, 8);
c->chrMmx2FilterCodeSize = initMMX2HScaler(c->chrDstW, c->chrXInc, NULL, NULL, NULL, 4);
#ifdef MAP_ANONYMOUS
c->lumMmx2FilterCode = mmap(NULL, c->lumMmx2FilterCodeSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
c->chrMmx2FilterCode = mmap(NULL, c->chrMmx2FilterCodeSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
#elif HAVE_VIRTUALALLOC
c->lumMmx2FilterCode = VirtualAlloc(NULL, c->lumMmx2FilterCodeSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
c->chrMmx2FilterCode = VirtualAlloc(NULL, c->chrMmx2FilterCodeSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
#else
c->lumMmx2FilterCode = av_malloc(c->lumMmx2FilterCodeSize);
c->chrMmx2FilterCode = av_malloc(c->chrMmx2FilterCodeSize);
#endif
if (!c->lumMmx2FilterCode || !c->chrMmx2FilterCode)
return AVERROR(ENOMEM);
FF_ALLOCZ_OR_GOTO(c, c->hLumFilter , (dstW /8+8)*sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(c, c->hChrFilter , (c->chrDstW /4+8)*sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(c, c->hLumFilterPos, (dstW /2/8+8)*sizeof(int32_t), fail);
FF_ALLOCZ_OR_GOTO(c, c->hChrFilterPos, (c->chrDstW/2/4+8)*sizeof(int32_t), fail);
initMMX2HScaler( dstW, c->lumXInc, c->lumMmx2FilterCode, c->hLumFilter, c->hLumFilterPos, 8);
initMMX2HScaler(c->chrDstW, c->chrXInc, c->chrMmx2FilterCode, c->hChrFilter, c->hChrFilterPos, 4);
#ifdef MAP_ANONYMOUS
mprotect(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
mprotect(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
#endif
} else
#endif /* HAVE_MMX2 */
{
const int filterAlign=
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? 4 :
(HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) ? 8 :
1;
if (initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc,
srcW , dstW, filterAlign, 1<<14,
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, cpu_flags,
srcFilter->lumH, dstFilter->lumH, c->param) < 0)
goto fail;
if (initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc,
c->chrSrcW, c->chrDstW, filterAlign, 1<<14,
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, cpu_flags,
srcFilter->chrH, dstFilter->chrH, c->param) < 0)
goto fail;
}
} // initialize horizontal stuff
/* precalculate vertical scaler filter coefficients */
{
const int filterAlign=
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) && (flags & SWS_ACCURATE_RND) ? 2 :
(HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) ? 8 :
1;
if (initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc,
srcH , dstH, filterAlign, (1<<12),
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, cpu_flags,
srcFilter->lumV, dstFilter->lumV, c->param) < 0)
goto fail;
if (initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc,
c->chrSrcH, c->chrDstH, filterAlign, (1<<12),
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, cpu_flags,
srcFilter->chrV, dstFilter->chrV, c->param) < 0)
goto fail;
#if HAVE_ALTIVEC
FF_ALLOC_OR_GOTO(c, c->vYCoeffsBank, sizeof (vector signed short)*c->vLumFilterSize*c->dstH, fail);
FF_ALLOC_OR_GOTO(c, c->vCCoeffsBank, sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH, fail);
for (i=0;i<c->vLumFilterSize*c->dstH;i++) {
int j;
short *p = (short *)&c->vYCoeffsBank[i];
for (j=0;j<8;j++)
p[j] = c->vLumFilter[i];
}
for (i=0;i<c->vChrFilterSize*c->chrDstH;i++) {
int j;
short *p = (short *)&c->vCCoeffsBank[i];
for (j=0;j<8;j++)
p[j] = c->vChrFilter[i];
}
#endif
}
// calculate buffer sizes so that they won't run out while handling these damn slices
c->vLumBufSize= c->vLumFilterSize;
c->vChrBufSize= c->vChrFilterSize;
for (i=0; i<dstH; i++) {
int chrI= i*c->chrDstH / dstH;
int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1,
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
nextSlice>>= c->chrSrcVSubSample;
nextSlice<<= c->chrSrcVSubSample;
if (c->vLumFilterPos[i ] + c->vLumBufSize < nextSlice)
c->vLumBufSize= nextSlice - c->vLumFilterPos[i];
if (c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample))
c->vChrBufSize= (nextSlice>>c->chrSrcVSubSample) - c->vChrFilterPos[chrI];
}
// allocate pixbufs (we use dynamic allocation because otherwise we would need to
// allocate several megabytes to handle all possible cases)
FF_ALLOC_OR_GOTO(c, c->lumPixBuf, c->vLumBufSize*2*sizeof(int16_t*), fail);
FF_ALLOC_OR_GOTO(c, c->chrUPixBuf, c->vChrBufSize*2*sizeof(int16_t*), fail);
FF_ALLOC_OR_GOTO(c, c->chrVPixBuf, c->vChrBufSize*2*sizeof(int16_t*), fail);
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat))
FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf, c->vLumBufSize*2*sizeof(int16_t*), fail);
//Note we need at least one pixel more at the end because of the MMX code (just in case someone wanna replace the 4000/8000)
/* align at 16 bytes for AltiVec */
for (i=0; i<c->vLumBufSize; i++) {
FF_ALLOCZ_OR_GOTO(c, c->lumPixBuf[i+c->vLumBufSize], dst_stride+1, fail);
c->lumPixBuf[i] = c->lumPixBuf[i+c->vLumBufSize];
}
c->uv_off_px = dst_stride_px;
c->uv_off_byte = dst_stride;
for (i=0; i<c->vChrBufSize; i++) {
FF_ALLOC_OR_GOTO(c, c->chrUPixBuf[i+c->vChrBufSize], dst_stride*2+1, fail);
c->chrUPixBuf[i] = c->chrUPixBuf[i+c->vChrBufSize];
c->chrVPixBuf[i] = c->chrVPixBuf[i+c->vChrBufSize] = c->chrUPixBuf[i] + (dst_stride >> 1);
}
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
for (i=0; i<c->vLumBufSize; i++) {
FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf[i+c->vLumBufSize], dst_stride+1, fail);
c->alpPixBuf[i] = c->alpPixBuf[i+c->vLumBufSize];
}
//try to avoid drawing green stuff between the right end and the stride end
for (i=0; i<c->vChrBufSize; i++)
memset(c->chrUPixBuf[i], 64, dst_stride*2+1);
assert(c->chrDstH <= dstH);
if (flags&SWS_PRINT_INFO) {
if (flags&SWS_FAST_BILINEAR) av_log(c, AV_LOG_INFO, "FAST_BILINEAR scaler, ");
else if (flags&SWS_BILINEAR) av_log(c, AV_LOG_INFO, "BILINEAR scaler, ");
else if (flags&SWS_BICUBIC) av_log(c, AV_LOG_INFO, "BICUBIC scaler, ");
else if (flags&SWS_X) av_log(c, AV_LOG_INFO, "Experimental scaler, ");
else if (flags&SWS_POINT) av_log(c, AV_LOG_INFO, "Nearest Neighbor / POINT scaler, ");
else if (flags&SWS_AREA) av_log(c, AV_LOG_INFO, "Area Averaging scaler, ");
else if (flags&SWS_BICUBLIN) av_log(c, AV_LOG_INFO, "luma BICUBIC / chroma BILINEAR scaler, ");
else if (flags&SWS_GAUSS) av_log(c, AV_LOG_INFO, "Gaussian scaler, ");
else if (flags&SWS_SINC) av_log(c, AV_LOG_INFO, "Sinc scaler, ");
else if (flags&SWS_LANCZOS) av_log(c, AV_LOG_INFO, "Lanczos scaler, ");
else if (flags&SWS_SPLINE) av_log(c, AV_LOG_INFO, "Bicubic spline scaler, ");
else av_log(c, AV_LOG_INFO, "ehh flags invalid?! ");
av_log(c, AV_LOG_INFO, "from %s to %s%s ",
sws_format_name(srcFormat),
#ifdef DITHER1XBPP
dstFormat == PIX_FMT_BGR555 || dstFormat == PIX_FMT_BGR565 ||
dstFormat == PIX_FMT_RGB444BE || dstFormat == PIX_FMT_RGB444LE ||
dstFormat == PIX_FMT_BGR444BE || dstFormat == PIX_FMT_BGR444LE ? "dithered " : "",
#else
"",
#endif
sws_format_name(dstFormat));
if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2) av_log(c, AV_LOG_INFO, "using MMX2\n");
else if (HAVE_AMD3DNOW && cpu_flags & AV_CPU_FLAG_3DNOW) av_log(c, AV_LOG_INFO, "using 3DNOW\n");
else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) av_log(c, AV_LOG_INFO, "using MMX\n");
else if (HAVE_ALTIVEC && cpu_flags & AV_CPU_FLAG_ALTIVEC) av_log(c, AV_LOG_INFO, "using AltiVec\n");
else av_log(c, AV_LOG_INFO, "using C\n");
if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) {
if (c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR))
av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
else {
if (c->hLumFilterSize==4)
av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal luminance scaling\n");
else if (c->hLumFilterSize==8)
av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal luminance scaling\n");
else
av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal luminance scaling\n");
if (c->hChrFilterSize==4)
av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal chrominance scaling\n");
else if (c->hChrFilterSize==8)
av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal chrominance scaling\n");
else
av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal chrominance scaling\n");
}
} else {
#if HAVE_MMX
av_log(c, AV_LOG_VERBOSE, "using x86 asm scaler for horizontal scaling\n");
#else
if (flags & SWS_FAST_BILINEAR)
av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR C scaler for horizontal scaling\n");
else
av_log(c, AV_LOG_VERBOSE, "using C scaler for horizontal scaling\n");
#endif
}
if (isPlanarYUV(dstFormat)) {
if (c->vLumFilterSize==1)
av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n",
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? "MMX" : "C");
else
av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (YV12 like)\n",
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? "MMX" : "C");
} else {
if (c->vLumFilterSize==1 && c->vChrFilterSize==2)
av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n"
" 2-tap scaler for vertical chrominance scaling (BGR)\n",
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? "MMX" : "C");
else if (c->vLumFilterSize==2 && c->vChrFilterSize==2)
av_log(c, AV_LOG_VERBOSE, "using 2-tap linear %s scaler for vertical scaling (BGR)\n",
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? "MMX" : "C");
else
av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (BGR)\n",
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? "MMX" : "C");
}
if (dstFormat==PIX_FMT_BGR24)
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR24 converter\n",
(HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2) ? "MMX2" :
((HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? "MMX" : "C"));
else if (dstFormat==PIX_FMT_RGB32)
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR32 converter\n",
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? "MMX" : "C");
else if (dstFormat==PIX_FMT_BGR565)
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR16 converter\n",
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? "MMX" : "C");
else if (dstFormat==PIX_FMT_BGR555)
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR15 converter\n",
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? "MMX" : "C");
else if (dstFormat == PIX_FMT_RGB444BE || dstFormat == PIX_FMT_RGB444LE ||
dstFormat == PIX_FMT_BGR444BE || dstFormat == PIX_FMT_BGR444LE)
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR12 converter\n",
(HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) ? "MMX" : "C");
av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
av_log(c, AV_LOG_DEBUG, "lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc);
av_log(c, AV_LOG_DEBUG, "chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH, c->chrXInc, c->chrYInc);
}
c->swScale= ff_getSwsFunc(c);
return 0;
fail: //FIXME replace things by appropriate error codes
return -1;
}
| 15,626 |
qemu | 6fd33a750214a866772dd77573cfa24c27ad956d | 0 | static int kvmppc_get_pvinfo(CPUPPCState *env, struct kvm_ppc_pvinfo *pvinfo)
{
PowerPCCPU *cpu = ppc_env_get_cpu(env);
CPUState *cs = CPU(cpu);
if (kvm_check_extension(cs->kvm_state, KVM_CAP_PPC_GET_PVINFO) &&
!kvm_vm_ioctl(cs->kvm_state, KVM_PPC_GET_PVINFO, pvinfo)) {
return 0;
}
return 1;
}
| 15,627 |
qemu | 51941e4695c6f6c1f786bacef7e8c3a477570e04 | 0 | static void vncws_tls_handshake_io(void *opaque)
{
struct VncState *vs = (struct VncState *)opaque;
VNC_DEBUG("Handshake IO continue\n");
vncws_start_tls_handshake(vs);
}
| 15,629 |
qemu | cc84de9570ffe01a9c3c169bd62ab9586a9a080c | 0 | static void pause_all_vcpus(void)
{
CPUState *penv = first_cpu;
while (penv) {
penv->stop = 1;
qemu_thread_signal(penv->thread, SIGUSR1);
qemu_cpu_kick(penv);
penv = (CPUState *)penv->next_cpu;
}
while (!all_vcpus_paused()) {
qemu_cond_timedwait(&qemu_pause_cond, &qemu_global_mutex, 100);
penv = first_cpu;
while (penv) {
qemu_thread_signal(penv->thread, SIGUSR1);
penv = (CPUState *)penv->next_cpu;
}
}
}
| 15,630 |
qemu | 100f738850639a108d6767316ce4dcc1d1ea4ae4 | 0 | static void pnv_icp_realize(DeviceState *dev, Error **errp)
{
PnvICPState *icp = PNV_ICP(dev);
memory_region_init_io(&icp->mmio, OBJECT(dev), &pnv_icp_ops,
icp, "icp-thread", 0x1000);
}
| 15,631 |
qemu | 7d553f27fce284805d7f94603932045ee3bbb979 | 0 | static void usb_device_class_init(ObjectClass *klass, void *data)
{
DeviceClass *k = DEVICE_CLASS(klass);
k->bus_type = TYPE_USB_BUS;
k->init = usb_qdev_init;
k->unplug = qdev_simple_unplug_cb;
k->exit = usb_qdev_exit;
k->props = usb_props;
}
| 15,632 |
qemu | b3db211f3c80bb996a704d665fe275619f728bd4 | 0 | static void qmp_output_type_bool(Visitor *v, const char *name, bool *obj,
Error **errp)
{
QmpOutputVisitor *qov = to_qov(v);
qmp_output_add(qov, name, qbool_from_bool(*obj));
}
| 15,633 |
qemu | edf779ffccc836661a7b654d320571a6c220caea | 0 | static unsigned int * create_elf_tables(char *p, int argc, int envc,
struct elfhdr * exec,
unsigned long load_addr,
unsigned long load_bias,
unsigned long interp_load_addr, int ibcs,
struct image_info *info)
{
target_ulong *argv, *envp;
target_ulong *sp, *csp;
/*
* Force 16 byte _final_ alignment here for generality.
*/
sp = (unsigned int *) (~15UL & (unsigned long) p);
csp = sp;
csp -= (DLINFO_ITEMS + 1) * 2;
#ifdef DLINFO_ARCH_ITEMS
csp -= DLINFO_ARCH_ITEMS*2;
#endif
csp -= envc+1;
csp -= argc+1;
csp -= (!ibcs ? 3 : 1); /* argc itself */
if ((unsigned long)csp & 15UL)
sp -= ((unsigned long)csp & 15UL) / sizeof(*sp);
#define NEW_AUX_ENT(nr, id, val) \
put_user (tswapl(id), sp + (nr * 2)); \
put_user (tswapl(val), sp + (nr * 2 + 1))
sp -= 2;
NEW_AUX_ENT (0, AT_NULL, 0);
sp -= DLINFO_ITEMS*2;
NEW_AUX_ENT( 0, AT_PHDR, (target_ulong)(load_addr + exec->e_phoff));
NEW_AUX_ENT( 1, AT_PHENT, (target_ulong)(sizeof (struct elf_phdr)));
NEW_AUX_ENT( 2, AT_PHNUM, (target_ulong)(exec->e_phnum));
NEW_AUX_ENT( 3, AT_PAGESZ, (target_ulong)(TARGET_PAGE_SIZE));
NEW_AUX_ENT( 4, AT_BASE, (target_ulong)(interp_load_addr));
NEW_AUX_ENT( 5, AT_FLAGS, (target_ulong)0);
NEW_AUX_ENT( 6, AT_ENTRY, load_bias + exec->e_entry);
NEW_AUX_ENT( 7, AT_UID, (target_ulong) getuid());
NEW_AUX_ENT( 8, AT_EUID, (target_ulong) geteuid());
NEW_AUX_ENT( 9, AT_GID, (target_ulong) getgid());
NEW_AUX_ENT(11, AT_EGID, (target_ulong) getegid());
#ifdef ARCH_DLINFO
/*
* ARCH_DLINFO must come last so platform specific code can enforce
* special alignment requirements on the AUXV if necessary (eg. PPC).
*/
ARCH_DLINFO;
#endif
#undef NEW_AUX_ENT
sp -= envc+1;
envp = sp;
sp -= argc+1;
argv = sp;
if (!ibcs) {
put_user(tswapl((target_ulong)envp),--sp);
put_user(tswapl((target_ulong)argv),--sp);
}
put_user(tswapl(argc),--sp);
info->arg_start = (unsigned int)((unsigned long)p & 0xffffffff);
while (argc-->0) {
put_user(tswapl((target_ulong)p),argv++);
while (get_user(p++)) /* nothing */ ;
}
put_user(0,argv);
info->arg_end = info->env_start = (unsigned int)((unsigned long)p & 0xffffffff);
while (envc-->0) {
put_user(tswapl((target_ulong)p),envp++);
while (get_user(p++)) /* nothing */ ;
}
put_user(0,envp);
info->env_end = (unsigned int)((unsigned long)p & 0xffffffff);
return sp;
}
| 15,636 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void assigned_dev_msix_mmio_write(void *opaque, target_phys_addr_t addr,
uint64_t val, unsigned size)
{
AssignedDevice *adev = opaque;
PCIDevice *pdev = &adev->dev;
uint16_t ctrl;
MSIXTableEntry orig;
int i = addr >> 4;
if (i >= adev->msix_max) {
return; /* Drop write */
}
ctrl = pci_get_word(pdev->config + pdev->msix_cap + PCI_MSIX_FLAGS);
DEBUG("write to MSI-X table offset 0x%lx, val 0x%lx\n", addr, val);
if (ctrl & PCI_MSIX_FLAGS_ENABLE) {
orig = adev->msix_table[i];
}
memcpy((uint8_t *)adev->msix_table + addr, &val, size);
if (ctrl & PCI_MSIX_FLAGS_ENABLE) {
MSIXTableEntry *entry = &adev->msix_table[i];
if (!assigned_dev_msix_masked(&orig) &&
assigned_dev_msix_masked(entry)) {
/*
* Vector masked, disable it
*
* XXX It's not clear if we can or should actually attempt
* to mask or disable the interrupt. KVM doesn't have
* support for pending bits and kvm_assign_set_msix_entry
* doesn't modify the device hardware mask. Interrupts
* while masked are simply not injected to the guest, so
* are lost. Can we get away with always injecting an
* interrupt on unmask?
*/
} else if (assigned_dev_msix_masked(&orig) &&
!assigned_dev_msix_masked(entry)) {
/* Vector unmasked */
if (i >= adev->msi_virq_nr || adev->msi_virq[i] < 0) {
/* Previously unassigned vector, start from scratch */
assigned_dev_update_msix(pdev);
return;
} else {
/* Update an existing, previously masked vector */
MSIMessage msg;
int ret;
msg.address = entry->addr_lo |
((uint64_t)entry->addr_hi << 32);
msg.data = entry->data;
ret = kvm_irqchip_update_msi_route(kvm_state,
adev->msi_virq[i], msg);
if (ret) {
error_report("Error updating irq routing entry (%d)", ret);
}
}
}
}
}
| 15,637 |
qemu | c4d9d19645a484298a67e9021060bc7c2b081d0f | 0 | static void test_cancel(void)
{
WorkerTestData data[100];
int num_canceled;
int i;
/* Start more work items than there will be threads, to ensure
* the pool is full.
*/
test_submit_many();
/* Start long running jobs, to ensure we can cancel some. */
for (i = 0; i < 100; i++) {
data[i].n = 0;
data[i].ret = -EINPROGRESS;
data[i].aiocb = thread_pool_submit_aio(long_cb, &data[i],
done_cb, &data[i]);
}
/* Starting the threads may be left to a bottom half. Let it
* run, but do not waste too much time...
*/
active = 100;
qemu_aio_wait_nonblocking();
/* Wait some time for the threads to start, with some sanity
* testing on the behavior of the scheduler...
*/
g_assert_cmpint(active, ==, 100);
g_usleep(1000000);
g_assert_cmpint(active, >, 50);
/* Cancel the jobs that haven't been started yet. */
num_canceled = 0;
for (i = 0; i < 100; i++) {
if (__sync_val_compare_and_swap(&data[i].n, 0, 3) == 0) {
data[i].ret = -ECANCELED;
bdrv_aio_cancel(data[i].aiocb);
active--;
num_canceled++;
}
}
g_assert_cmpint(active, >, 0);
g_assert_cmpint(num_canceled, <, 100);
/* Canceling the others will be a blocking operation. */
for (i = 0; i < 100; i++) {
if (data[i].n != 3) {
bdrv_aio_cancel(data[i].aiocb);
}
}
/* Finish execution and execute any remaining callbacks. */
qemu_aio_wait_all();
g_assert_cmpint(active, ==, 0);
for (i = 0; i < 100; i++) {
if (data[i].n == 3) {
g_assert_cmpint(data[i].ret, ==, -ECANCELED);
g_assert(data[i].aiocb != NULL);
} else {
g_assert_cmpint(data[i].n, ==, 2);
g_assert_cmpint(data[i].ret, ==, 0);
g_assert(data[i].aiocb == NULL);
}
}
}
| 15,638 |
qemu | 9ef91a677110ec200d7b2904fc4bcae5a77329ad | 0 | int qemu_paio_write(struct qemu_paiocb *aiocb)
{
return qemu_paio_submit(aiocb, QEMU_PAIO_WRITE);
}
| 15,639 |
qemu | 364031f17932814484657e5551ba12957d993d7e | 0 | static ssize_t v9fs_synth_llistxattr(FsContext *ctx, V9fsPath *path,
void *value, size_t size)
{
errno = ENOTSUP;
return -1;
}
| 15,640 |
qemu | 730b00bbfdc15f914f47e03a703fa7647c10c4a9 | 0 | static int qemu_rbd_set_keypairs(rados_t cluster, const char *keypairs,
Error **errp)
{
char *p, *buf;
char *name;
char *value;
Error *local_err = NULL;
int ret = 0;
buf = g_strdup(keypairs);
p = buf;
while (p) {
name = qemu_rbd_next_tok(RBD_MAX_CONF_NAME_SIZE, p,
'=', "conf option name", &p, &local_err);
if (local_err) {
break;
}
if (!p) {
error_setg(errp, "conf option %s has no value", name);
ret = -EINVAL;
break;
}
value = qemu_rbd_next_tok(RBD_MAX_CONF_VAL_SIZE, p,
':', "conf option value", &p, &local_err);
if (local_err) {
break;
}
ret = rados_conf_set(cluster, name, value);
if (ret < 0) {
error_setg_errno(errp, -ret, "invalid conf option %s", name);
ret = -EINVAL;
break;
}
}
if (local_err) {
error_propagate(errp, local_err);
ret = -EINVAL;
}
g_free(buf);
return ret;
}
| 15,641 |
qemu | 318347234d7069b62d38391dd27e269a3107d668 | 0 | static void spapr_phb_remove_pci_device_cb(DeviceState *dev, void *opaque)
{
/* some version guests do not wait for completion of a device
* cleanup (generally done asynchronously by the kernel) before
* signaling to QEMU that the device is safe, but instead sleep
* for some 'safe' period of time. unfortunately on a busy host
* this sleep isn't guaranteed to be long enough, resulting in
* bad things like IRQ lines being left asserted during final
* device removal. to deal with this we call reset just prior
* to finalizing the device, which will put the device back into
* an 'idle' state, as the device cleanup code expects.
*/
pci_device_reset(PCI_DEVICE(dev));
object_unparent(OBJECT(dev));
}
| 15,642 |
qemu | 65c0f1e9558c7c762cdb333406243fff1d687117 | 0 | static QObject *parse_object(JSONParserContext *ctxt, QList **tokens, va_list *ap)
{
QDict *dict = NULL;
QObject *token, *peek;
QList *working = qlist_copy(*tokens);
token = qlist_pop(working);
if (token == NULL) {
goto out;
}
if (!token_is_operator(token, '{')) {
goto out;
}
qobject_decref(token);
token = NULL;
dict = qdict_new();
peek = qlist_peek(working);
if (peek == NULL) {
parse_error(ctxt, NULL, "premature EOI");
goto out;
}
if (!token_is_operator(peek, '}')) {
if (parse_pair(ctxt, dict, &working, ap) == -1) {
goto out;
}
token = qlist_pop(working);
if (token == NULL) {
parse_error(ctxt, NULL, "premature EOI");
goto out;
}
while (!token_is_operator(token, '}')) {
if (!token_is_operator(token, ',')) {
parse_error(ctxt, token, "expected separator in dict");
goto out;
}
qobject_decref(token);
token = NULL;
if (parse_pair(ctxt, dict, &working, ap) == -1) {
goto out;
}
token = qlist_pop(working);
if (token == NULL) {
parse_error(ctxt, NULL, "premature EOI");
goto out;
}
}
qobject_decref(token);
token = NULL;
} else {
token = qlist_pop(working);
qobject_decref(token);
token = NULL;
}
QDECREF(*tokens);
*tokens = working;
return QOBJECT(dict);
out:
qobject_decref(token);
QDECREF(working);
QDECREF(dict);
return NULL;
}
| 15,643 |
qemu | 67a0fd2a9bca204d2b39f910a97c7137636a0715 | 0 | static int64_t coroutine_fn qcow2_co_get_block_status(BlockDriverState *bs,
int64_t sector_num, int nb_sectors, int *pnum)
{
BDRVQcow2State *s = bs->opaque;
uint64_t cluster_offset;
int index_in_cluster, ret;
int64_t status = 0;
*pnum = nb_sectors;
qemu_co_mutex_lock(&s->lock);
ret = qcow2_get_cluster_offset(bs, sector_num << 9, pnum, &cluster_offset);
qemu_co_mutex_unlock(&s->lock);
if (ret < 0) {
return ret;
}
if (cluster_offset != 0 && ret != QCOW2_CLUSTER_COMPRESSED &&
!s->cipher) {
index_in_cluster = sector_num & (s->cluster_sectors - 1);
cluster_offset |= (index_in_cluster << BDRV_SECTOR_BITS);
status |= BDRV_BLOCK_OFFSET_VALID | cluster_offset;
}
if (ret == QCOW2_CLUSTER_ZERO) {
status |= BDRV_BLOCK_ZERO;
} else if (ret != QCOW2_CLUSTER_UNALLOCATED) {
status |= BDRV_BLOCK_DATA;
}
return status;
}
| 15,645 |
FFmpeg | ae100046ca32b0b83031a60d0c3cdfc5ceb9f874 | 0 | int avpriv_exif_decode_ifd(void *logctx, GetByteContext *gbytes, int le,
int depth, AVDictionary **metadata)
{
int i, ret;
int entries;
entries = ff_tget_short(gbytes, le);
if (bytestream2_get_bytes_left(gbytes) < entries * 12) {
return AVERROR_INVALIDDATA;
}
for (i = 0; i < entries; i++) {
if ((ret = exif_decode_tag(logctx, gbytes, le, depth, metadata)) < 0) {
return ret;
}
}
// return next IDF offset or 0x000000000 or a value < 0 for failure
return ff_tget_long(gbytes, le);
}
| 15,646 |
qemu | 0919ac787641db11024912651f3bc5764d4f1286 | 0 | static struct omap_rtc_s *omap_rtc_init(MemoryRegion *system_memory,
target_phys_addr_t base,
qemu_irq *irq, omap_clk clk)
{
struct omap_rtc_s *s = (struct omap_rtc_s *)
g_malloc0(sizeof(struct omap_rtc_s));
s->irq = irq[0];
s->alarm = irq[1];
s->clk = qemu_new_timer_ms(rt_clock, omap_rtc_tick, s);
omap_rtc_reset(s);
memory_region_init_io(&s->iomem, &omap_rtc_ops, s,
"omap-rtc", 0x800);
memory_region_add_subregion(system_memory, base, &s->iomem);
return s;
}
| 15,647 |
qemu | eabb7b91b36b202b4dac2df2d59d698e3aff197a | 0 | static inline void patch_reloc(tcg_insn_unit *code_ptr, int type,
intptr_t value, intptr_t addend)
{
assert(addend == 0);
switch (type) {
case R_AARCH64_JUMP26:
case R_AARCH64_CALL26:
reloc_pc26(code_ptr, (tcg_insn_unit *)value);
break;
case R_AARCH64_CONDBR19:
reloc_pc19(code_ptr, (tcg_insn_unit *)value);
break;
default:
tcg_abort();
}
}
| 15,648 |
qemu | 90e496386fe7fd32c189561f846b7913f95b8cf4 | 0 | static void disas_simd_mod_imm(DisasContext *s, uint32_t insn)
{
int rd = extract32(insn, 0, 5);
int cmode = extract32(insn, 12, 4);
int cmode_3_1 = extract32(cmode, 1, 3);
int cmode_0 = extract32(cmode, 0, 1);
int o2 = extract32(insn, 11, 1);
uint64_t abcdefgh = extract32(insn, 5, 5) | (extract32(insn, 16, 3) << 5);
bool is_neg = extract32(insn, 29, 1);
bool is_q = extract32(insn, 30, 1);
uint64_t imm = 0;
TCGv_i64 tcg_rd, tcg_imm;
int i;
if (o2 != 0 || ((cmode == 0xf) && is_neg && !is_q)) {
unallocated_encoding(s);
return;
}
if (!fp_access_check(s)) {
return;
}
/* See AdvSIMDExpandImm() in ARM ARM */
switch (cmode_3_1) {
case 0: /* Replicate(Zeros(24):imm8, 2) */
case 1: /* Replicate(Zeros(16):imm8:Zeros(8), 2) */
case 2: /* Replicate(Zeros(8):imm8:Zeros(16), 2) */
case 3: /* Replicate(imm8:Zeros(24), 2) */
{
int shift = cmode_3_1 * 8;
imm = bitfield_replicate(abcdefgh << shift, 32);
break;
}
case 4: /* Replicate(Zeros(8):imm8, 4) */
case 5: /* Replicate(imm8:Zeros(8), 4) */
{
int shift = (cmode_3_1 & 0x1) * 8;
imm = bitfield_replicate(abcdefgh << shift, 16);
break;
}
case 6:
if (cmode_0) {
/* Replicate(Zeros(8):imm8:Ones(16), 2) */
imm = (abcdefgh << 16) | 0xffff;
} else {
/* Replicate(Zeros(16):imm8:Ones(8), 2) */
imm = (abcdefgh << 8) | 0xff;
}
imm = bitfield_replicate(imm, 32);
break;
case 7:
if (!cmode_0 && !is_neg) {
imm = bitfield_replicate(abcdefgh, 8);
} else if (!cmode_0 && is_neg) {
int i;
imm = 0;
for (i = 0; i < 8; i++) {
if ((abcdefgh) & (1 << i)) {
imm |= 0xffULL << (i * 8);
}
}
} else if (cmode_0) {
if (is_neg) {
imm = (abcdefgh & 0x3f) << 48;
if (abcdefgh & 0x80) {
imm |= 0x8000000000000000ULL;
}
if (abcdefgh & 0x40) {
imm |= 0x3fc0000000000000ULL;
} else {
imm |= 0x4000000000000000ULL;
}
} else {
imm = (abcdefgh & 0x3f) << 19;
if (abcdefgh & 0x80) {
imm |= 0x80000000;
}
if (abcdefgh & 0x40) {
imm |= 0x3e000000;
} else {
imm |= 0x40000000;
}
imm |= (imm << 32);
}
}
break;
}
if (cmode_3_1 != 7 && is_neg) {
imm = ~imm;
}
tcg_imm = tcg_const_i64(imm);
tcg_rd = new_tmp_a64(s);
for (i = 0; i < 2; i++) {
int foffs = i ? fp_reg_hi_offset(rd) : fp_reg_offset(rd, MO_64);
if (i == 1 && !is_q) {
/* non-quad ops clear high half of vector */
tcg_gen_movi_i64(tcg_rd, 0);
} else if ((cmode & 0x9) == 0x1 || (cmode & 0xd) == 0x9) {
tcg_gen_ld_i64(tcg_rd, cpu_env, foffs);
if (is_neg) {
/* AND (BIC) */
tcg_gen_and_i64(tcg_rd, tcg_rd, tcg_imm);
} else {
/* ORR */
tcg_gen_or_i64(tcg_rd, tcg_rd, tcg_imm);
}
} else {
/* MOVI */
tcg_gen_mov_i64(tcg_rd, tcg_imm);
}
tcg_gen_st_i64(tcg_rd, cpu_env, foffs);
}
tcg_temp_free_i64(tcg_imm);
}
| 15,649 |
qemu | b2bedb214469af55179d907a60cd67fed6b0779e | 0 | int tcp_ctl(struct socket *so)
{
Slirp *slirp = so->slirp;
struct sbuf *sb = &so->so_snd;
struct ex_list *ex_ptr;
int do_pty;
DEBUG_CALL("tcp_ctl");
DEBUG_ARG("so = %lx", (long )so);
if (so->so_faddr.s_addr != slirp->vhost_addr.s_addr) {
/* Check if it's pty_exec */
for (ex_ptr = slirp->exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) {
if (ex_ptr->ex_fport == so->so_fport &&
so->so_faddr.s_addr == ex_ptr->ex_addr.s_addr) {
if (ex_ptr->ex_pty == 3) {
so->s = -1;
so->extra = (void *)ex_ptr->ex_exec;
return 1;
}
do_pty = ex_ptr->ex_pty;
DEBUG_MISC((dfd, " executing %s \n",ex_ptr->ex_exec));
return fork_exec(so, ex_ptr->ex_exec, do_pty);
}
}
}
sb->sb_cc =
snprintf(sb->sb_wptr, sb->sb_datalen - (sb->sb_wptr - sb->sb_data),
"Error: No application configured.\r\n");
sb->sb_wptr += sb->sb_cc;
return 0;
}
| 15,650 |
qemu | 4a1418e07bdcfaa3177739e04707ecaec75d89e1 | 0 | void cpu_outl(CPUState *env, pio_addr_t addr, uint32_t val)
{
LOG_IOPORT("outl: %04"FMT_pioaddr" %08"PRIx32"\n", addr, val);
ioport_write(2, addr, val);
#ifdef CONFIG_KQEMU
if (env)
env->last_io_time = cpu_get_time_fast();
#endif
}
| 15,651 |
qemu | 364031f17932814484657e5551ba12957d993d7e | 0 | static int v9fs_synth_lsetxattr(FsContext *ctx, V9fsPath *path,
const char *name, void *value,
size_t size, int flags)
{
errno = ENOTSUP;
return -1;
}
| 15,652 |
qemu | e68c5958668596a5023e30ddf8368410878f7682 | 0 | static void register_types(void)
{
register_char_driver_qapi("null", CHARDEV_BACKEND_KIND_NULL, NULL);
register_char_driver("socket", qemu_chr_open_socket);
register_char_driver("udp", qemu_chr_open_udp);
register_char_driver("memory", qemu_chr_open_ringbuf);
register_char_driver_qapi("file", CHARDEV_BACKEND_KIND_FILE,
qemu_chr_parse_file_out);
register_char_driver_qapi("stdio", CHARDEV_BACKEND_KIND_STDIO,
qemu_chr_parse_stdio);
register_char_driver_qapi("serial", CHARDEV_BACKEND_KIND_SERIAL,
qemu_chr_parse_serial);
register_char_driver_qapi("tty", CHARDEV_BACKEND_KIND_SERIAL,
qemu_chr_parse_serial);
register_char_driver_qapi("parallel", CHARDEV_BACKEND_KIND_PARALLEL,
qemu_chr_parse_parallel);
register_char_driver_qapi("parport", CHARDEV_BACKEND_KIND_PARALLEL,
qemu_chr_parse_parallel);
#ifdef _WIN32
register_char_driver("pipe", qemu_chr_open_win_pipe);
register_char_driver("console", qemu_chr_open_win_con);
#else
register_char_driver("pipe", qemu_chr_open_pipe);
#endif
#ifdef HAVE_CHARDEV_TTY
register_char_driver("pty", qemu_chr_open_pty);
#endif
}
| 15,656 |
FFmpeg | 1acd7d594c15aa491729c837ad3519d3469e620a | 0 | static void FUNCC(pred8x8_vertical_add)(uint8_t *pix, const int *block_offset,
const int16_t *block, ptrdiff_t stride)
{
int i;
for(i=0; i<4; i++)
FUNCC(pred4x4_vertical_add)(pix + block_offset[i], block + i*16*sizeof(pixel), stride);
}
| 15,657 |
FFmpeg | 68f593b48433842f3407586679fe07f3e5199ab9 | 0 | static inline void dv_decode_video_segment(DVVideoDecodeContext *s,
UINT8 *buf_ptr1,
const UINT16 *mb_pos_ptr)
{
int quant, dc, dct_mode, class1, j;
int mb_index, mb_x, mb_y, v, last_index;
DCTELEM *block, *block1;
int c_offset, bits_left;
UINT8 *y_ptr;
BlockInfo mb_data[5 * 6], *mb, *mb1;
void (*idct_put)(UINT8 *dest, int line_size, DCTELEM *block);
UINT8 *buf_ptr;
PutBitContext pb, vs_pb;
UINT8 mb_bit_buffer[80 + 4]; /* allow some slack */
int mb_bit_count;
UINT8 vs_bit_buffer[5 * 80 + 4]; /* allow some slack */
int vs_bit_count;
memset(s->block, 0, sizeof(s->block));
/* pass 1 : read DC and AC coefficients in blocks */
buf_ptr = buf_ptr1;
block1 = &s->block[0][0];
mb1 = mb_data;
init_put_bits(&vs_pb, vs_bit_buffer, 5 * 80, NULL, NULL);
vs_bit_count = 0;
for(mb_index = 0; mb_index < 5; mb_index++) {
/* skip header */
quant = buf_ptr[3] & 0x0f;
buf_ptr += 4;
init_put_bits(&pb, mb_bit_buffer, 80, NULL, NULL);
mb_bit_count = 0;
mb = mb1;
block = block1;
for(j = 0;j < 6; j++) {
/* NOTE: size is not important here */
init_get_bits(&s->gb, buf_ptr, 14);
/* get the dc */
dc = get_bits(&s->gb, 9);
dc = (dc << (32 - 9)) >> (32 - 9);
dct_mode = get_bits1(&s->gb);
mb->dct_mode = dct_mode;
mb->scan_table = s->dv_zigzag[dct_mode];
class1 = get_bits(&s->gb, 2);
mb->shift_offset = (class1 == 3);
mb->shift_table = s->dv_shift[dct_mode]
[quant + dv_quant_offset[class1]];
dc = dc << 2;
/* convert to unsigned because 128 is not added in the
standard IDCT */
dc += 1024;
block[0] = dc;
last_index = block_sizes[j];
buf_ptr += last_index >> 3;
mb->pos = 0;
mb->partial_bit_count = 0;
dv_decode_ac(s, mb, block, last_index);
/* write the remaining bits in a new buffer only if the
block is finished */
bits_left = last_index - s->gb.index;
if (mb->eob_reached) {
mb->partial_bit_count = 0;
mb_bit_count += bits_left;
bit_copy(&pb, &s->gb, bits_left);
} else {
/* should be < 16 bits otherwise a codeword could have
been parsed */
mb->partial_bit_count = bits_left;
mb->partial_bit_buffer = get_bits(&s->gb, bits_left);
}
block += 64;
mb++;
}
flush_put_bits(&pb);
/* pass 2 : we can do it just after */
#ifdef VLC_DEBUG
printf("***pass 2 size=%d\n", mb_bit_count);
#endif
block = block1;
mb = mb1;
init_get_bits(&s->gb, mb_bit_buffer, 80);
for(j = 0;j < 6; j++) {
if (!mb->eob_reached && s->gb.index < mb_bit_count) {
dv_decode_ac(s, mb, block, mb_bit_count);
/* if still not finished, no need to parse other blocks */
if (!mb->eob_reached) {
/* we could not parse the current AC coefficient,
so we add the remaining bytes */
bits_left = mb_bit_count - s->gb.index;
if (bits_left > 0) {
mb->partial_bit_count += bits_left;
mb->partial_bit_buffer =
(mb->partial_bit_buffer << bits_left) |
get_bits(&s->gb, bits_left);
}
goto next_mb;
}
}
block += 64;
mb++;
}
/* all blocks are finished, so the extra bytes can be used at
the video segment level */
bits_left = mb_bit_count - s->gb.index;
vs_bit_count += bits_left;
bit_copy(&vs_pb, &s->gb, bits_left);
next_mb:
mb1 += 6;
block1 += 6 * 64;
}
/* we need a pass other the whole video segment */
flush_put_bits(&vs_pb);
#ifdef VLC_DEBUG
printf("***pass 3 size=%d\n", vs_bit_count);
#endif
block = &s->block[0][0];
mb = mb_data;
init_get_bits(&s->gb, vs_bit_buffer, 5 * 80);
for(mb_index = 0; mb_index < 5; mb_index++) {
for(j = 0;j < 6; j++) {
if (!mb->eob_reached) {
#ifdef VLC_DEBUG
printf("start %d:%d\n", mb_index, j);
#endif
dv_decode_ac(s, mb, block, vs_bit_count);
}
block += 64;
mb++;
}
}
/* compute idct and place blocks */
block = &s->block[0][0];
mb = mb_data;
for(mb_index = 0; mb_index < 5; mb_index++) {
v = *mb_pos_ptr++;
mb_x = v & 0xff;
mb_y = v >> 8;
y_ptr = s->current_picture[0] + (mb_y * s->linesize[0] * 8) + (mb_x * 8);
if (s->sampling_411)
c_offset = (mb_y * s->linesize[1] * 8) + ((mb_x >> 2) * 8);
else
c_offset = ((mb_y >> 1) * s->linesize[1] * 8) + ((mb_x >> 1) * 8);
for(j = 0;j < 6; j++) {
idct_put = s->idct_put[mb->dct_mode];
if (j < 4) {
if (s->sampling_411 && mb_x < (704 / 8)) {
/* NOTE: at end of line, the macroblock is handled as 420 */
idct_put(y_ptr + (j * 8), s->linesize[0], block);
} else {
idct_put(y_ptr + ((j & 1) * 8) + ((j >> 1) * 8 * s->linesize[0]),
s->linesize[0], block);
}
} else {
if (s->sampling_411 && mb_x >= (704 / 8)) {
uint8_t pixels[64], *c_ptr, *c_ptr1, *ptr;
int y, linesize;
/* NOTE: at end of line, the macroblock is handled as 420 */
idct_put(pixels, 8, block);
linesize = s->linesize[6 - j];
c_ptr = s->current_picture[6 - j] + c_offset;
ptr = pixels;
for(y = 0;y < 8; y++) {
/* convert to 411P */
c_ptr1 = c_ptr + linesize;
c_ptr1[0] = c_ptr[0] = (ptr[0] + ptr[1]) >> 1;
c_ptr1[1] = c_ptr[1] = (ptr[2] + ptr[3]) >> 1;
c_ptr1[2] = c_ptr[2] = (ptr[4] + ptr[5]) >> 1;
c_ptr1[3] = c_ptr[3] = (ptr[6] + ptr[7]) >> 1;
c_ptr += linesize * 2;
ptr += 8;
}
} else {
/* don't ask me why they inverted Cb and Cr ! */
idct_put(s->current_picture[6 - j] + c_offset,
s->linesize[6 - j], block);
}
}
block += 64;
mb++;
}
}
}
| 15,658 |
qemu | 7848c8d19f8556666df25044bbd5d8b29439c368 | 0 | void helper_syscall(CPUX86State *env, int next_eip_addend)
{
int selector;
if (!(env->efer & MSR_EFER_SCE)) {
raise_exception_err(env, EXCP06_ILLOP, 0);
}
selector = (env->star >> 32) & 0xffff;
if (env->hflags & HF_LMA_MASK) {
int code64;
env->regs[R_ECX] = env->eip + next_eip_addend;
env->regs[11] = cpu_compute_eflags(env);
code64 = env->hflags & HF_CS64_MASK;
env->eflags &= ~env->fmask;
cpu_load_eflags(env, env->eflags, 0);
cpu_x86_set_cpl(env, 0);
cpu_x86_load_seg_cache(env, R_CS, selector & 0xfffc,
0, 0xffffffff,
DESC_G_MASK | DESC_P_MASK |
DESC_S_MASK |
DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK |
DESC_L_MASK);
cpu_x86_load_seg_cache(env, R_SS, (selector + 8) & 0xfffc,
0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK |
DESC_W_MASK | DESC_A_MASK);
if (code64) {
env->eip = env->lstar;
} else {
env->eip = env->cstar;
}
} else {
env->regs[R_ECX] = (uint32_t)(env->eip + next_eip_addend);
env->eflags &= ~(IF_MASK | RF_MASK | VM_MASK);
cpu_x86_set_cpl(env, 0);
cpu_x86_load_seg_cache(env, R_CS, selector & 0xfffc,
0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK |
DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_SS, (selector + 8) & 0xfffc,
0, 0xffffffff,
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK |
DESC_W_MASK | DESC_A_MASK);
env->eip = (uint32_t)env->star;
}
}
| 15,659 |
qemu | 0522a959aec29768610900636f6234ab40530f82 | 1 | static int net_socket_listen_init(NetClientState *peer,
const char *model,
const char *name,
const char *host_str)
{
NetClientState *nc;
NetSocketState *s;
struct sockaddr_in saddr;
int fd, ret;
Error *err = NULL;
if (parse_host_port(&saddr, host_str, &err) < 0) {
error_report_err(err);
return -1;
}
fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
if (fd < 0) {
perror("socket");
return -1;
}
qemu_set_nonblock(fd);
socket_set_fast_reuse(fd);
ret = bind(fd, (struct sockaddr *)&saddr, sizeof(saddr));
if (ret < 0) {
perror("bind");
closesocket(fd);
return -1;
}
ret = listen(fd, 0);
if (ret < 0) {
perror("listen");
closesocket(fd);
return -1;
}
nc = qemu_new_net_client(&net_socket_info, peer, model, name);
s = DO_UPCAST(NetSocketState, nc, nc);
s->fd = -1;
s->listen_fd = fd;
s->nc.link_down = true;
net_socket_rs_init(&s->rs, net_socket_rs_finalize, false);
qemu_set_fd_handler(s->listen_fd, net_socket_accept, NULL, s);
return 0;
}
| 15,662 |
qemu | 231bb267644ee3a9ebfd9c7f42d5d41610194b45 | 1 | static int check_oflag_copied(BlockDriverState *bs, BdrvCheckResult *res,
BdrvCheckMode fix)
{
BDRVQcowState *s = bs->opaque;
uint64_t *l2_table = qemu_blockalign(bs, s->cluster_size);
int ret;
int refcount;
int i, j;
for (i = 0; i < s->l1_size; i++) {
uint64_t l1_entry = s->l1_table[i];
uint64_t l2_offset = l1_entry & L1E_OFFSET_MASK;
bool l2_dirty = false;
if (!l2_offset) {
continue;
}
refcount = get_refcount(bs, l2_offset >> s->cluster_bits);
if (refcount < 0) {
/* don't print message nor increment check_errors */
continue;
}
if ((refcount == 1) != ((l1_entry & QCOW_OFLAG_COPIED) != 0)) {
fprintf(stderr, "%s OFLAG_COPIED L2 cluster: l1_index=%d "
"l1_entry=%" PRIx64 " refcount=%d\n",
fix & BDRV_FIX_ERRORS ? "Repairing" :
"ERROR",
i, l1_entry, refcount);
if (fix & BDRV_FIX_ERRORS) {
s->l1_table[i] = refcount == 1
? l1_entry | QCOW_OFLAG_COPIED
: l1_entry & ~QCOW_OFLAG_COPIED;
ret = qcow2_write_l1_entry(bs, i);
if (ret < 0) {
res->check_errors++;
goto fail;
}
res->corruptions_fixed++;
} else {
res->corruptions++;
}
}
ret = bdrv_pread(bs->file, l2_offset, l2_table,
s->l2_size * sizeof(uint64_t));
if (ret < 0) {
fprintf(stderr, "ERROR: Could not read L2 table: %s\n",
strerror(-ret));
res->check_errors++;
goto fail;
}
for (j = 0; j < s->l2_size; j++) {
uint64_t l2_entry = be64_to_cpu(l2_table[j]);
uint64_t data_offset = l2_entry & L2E_OFFSET_MASK;
int cluster_type = qcow2_get_cluster_type(l2_entry);
if ((cluster_type == QCOW2_CLUSTER_NORMAL) ||
((cluster_type == QCOW2_CLUSTER_ZERO) && (data_offset != 0))) {
refcount = get_refcount(bs, data_offset >> s->cluster_bits);
if (refcount < 0) {
/* don't print message nor increment check_errors */
continue;
}
if ((refcount == 1) != ((l2_entry & QCOW_OFLAG_COPIED) != 0)) {
fprintf(stderr, "%s OFLAG_COPIED data cluster: "
"l2_entry=%" PRIx64 " refcount=%d\n",
fix & BDRV_FIX_ERRORS ? "Repairing" :
"ERROR",
l2_entry, refcount);
if (fix & BDRV_FIX_ERRORS) {
l2_table[j] = cpu_to_be64(refcount == 1
? l2_entry | QCOW_OFLAG_COPIED
: l2_entry & ~QCOW_OFLAG_COPIED);
l2_dirty = true;
res->corruptions_fixed++;
} else {
res->corruptions++;
}
}
}
}
if (l2_dirty) {
ret = qcow2_pre_write_overlap_check(bs,
QCOW2_OL_DEFAULT & ~QCOW2_OL_ACTIVE_L2, l2_offset,
s->cluster_size);
if (ret < 0) {
fprintf(stderr, "ERROR: Could not write L2 table; metadata "
"overlap check failed: %s\n", strerror(-ret));
res->check_errors++;
goto fail;
}
ret = bdrv_pwrite(bs->file, l2_offset, l2_table, s->cluster_size);
if (ret < 0) {
fprintf(stderr, "ERROR: Could not write L2 table: %s\n",
strerror(-ret));
res->check_errors++;
goto fail;
}
}
}
ret = 0;
fail:
qemu_vfree(l2_table);
return ret;
}
| 15,663 |
qemu | c364c974d9ab90e25e7887f516da65d2811ba5e3 | 1 | static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
const char *name, int devfn,
PCIConfigReadFunc *config_read,
PCIConfigWriteFunc *config_write,
uint8_t header_type)
{
if (devfn < 0) {
for(devfn = bus->devfn_min ; devfn < 256; devfn += 8) {
if (!bus->devices[devfn])
goto found;
}
return NULL;
found: ;
} else if (bus->devices[devfn]) {
return NULL;
}
pci_dev->bus = bus;
pci_dev->devfn = devfn;
pstrcpy(pci_dev->name, sizeof(pci_dev->name), name);
memset(pci_dev->irq_state, 0, sizeof(pci_dev->irq_state));
pci_config_alloc(pci_dev);
header_type &= ~PCI_HEADER_TYPE_MULTI_FUNCTION;
if (header_type == PCI_HEADER_TYPE_NORMAL) {
pci_set_default_subsystem_id(pci_dev);
}
pci_init_cmask(pci_dev);
pci_init_wmask(pci_dev);
if (header_type == PCI_HEADER_TYPE_BRIDGE) {
pci_init_wmask_bridge(pci_dev);
}
if (!config_read)
config_read = pci_default_read_config;
if (!config_write)
config_write = pci_default_write_config;
pci_dev->config_read = config_read;
pci_dev->config_write = config_write;
bus->devices[devfn] = pci_dev;
pci_dev->irq = qemu_allocate_irqs(pci_set_irq, pci_dev, PCI_NUM_PINS);
pci_dev->version_id = 2; /* Current pci device vmstate version */
return pci_dev;
}
| 15,665 |
qemu | 60fe637bf0e4d7989e21e50f52526444765c63b4 | 1 | static void put_int8(QEMUFile *f, void *pv, size_t size)
{
int8_t *v = pv;
qemu_put_s8s(f, v);
}
| 15,666 |
FFmpeg | 0af48e29f55a4e5824e6f7157ac94cf8b210aa84 | 1 | static void decode_q_branch(SnowContext *s, int level, int x, int y){
const int w= s->b_width << s->block_max_depth;
const int rem_depth= s->block_max_depth - level;
const int index= (x + y*w) << rem_depth;
int trx= (x+1)<<rem_depth;
const BlockNode *left = x ? &s->block[index-1] : &null_block;
const BlockNode *top = y ? &s->block[index-w] : &null_block;
const BlockNode *tl = y && x ? &s->block[index-w-1] : left;
const BlockNode *tr = y && trx<w && ((x&1)==0 || level==0) ? &s->block[index-w+(1<<rem_depth)] : tl; //FIXME use lt
int s_context= 2*left->level + 2*top->level + tl->level + tr->level;
if(s->keyframe){
set_blocks(s, level, x, y, null_block.color[0], null_block.color[1], null_block.color[2], null_block.mx, null_block.my, null_block.ref, BLOCK_INTRA);
return;
}
if(level==s->block_max_depth || get_rac(&s->c, &s->block_state[4 + s_context])){
int type, mx, my;
int l = left->color[0];
int cb= left->color[1];
int cr= left->color[2];
int ref = 0;
int ref_context= av_log2(2*left->ref) + av_log2(2*top->ref);
int mx_context= av_log2(2*FFABS(left->mx - top->mx)) + 0*av_log2(2*FFABS(tr->mx - top->mx));
int my_context= av_log2(2*FFABS(left->my - top->my)) + 0*av_log2(2*FFABS(tr->my - top->my));
type= get_rac(&s->c, &s->block_state[1 + left->type + top->type]) ? BLOCK_INTRA : 0;
if(type){
pred_mv(s, &mx, &my, 0, left, top, tr);
l += get_symbol(&s->c, &s->block_state[32], 1);
cb+= get_symbol(&s->c, &s->block_state[64], 1);
cr+= get_symbol(&s->c, &s->block_state[96], 1);
}else{
if(s->ref_frames > 1)
ref= get_symbol(&s->c, &s->block_state[128 + 1024 + 32*ref_context], 0);
pred_mv(s, &mx, &my, ref, left, top, tr);
mx+= get_symbol(&s->c, &s->block_state[128 + 32*(mx_context + 16*!!ref)], 1);
my+= get_symbol(&s->c, &s->block_state[128 + 32*(my_context + 16*!!ref)], 1);
}
set_blocks(s, level, x, y, l, cb, cr, mx, my, ref, type);
}else{
decode_q_branch(s, level+1, 2*x+0, 2*y+0);
decode_q_branch(s, level+1, 2*x+1, 2*y+0);
decode_q_branch(s, level+1, 2*x+0, 2*y+1);
decode_q_branch(s, level+1, 2*x+1, 2*y+1);
}
}
| 15,667 |
FFmpeg | f57119b8e58cb5437c3ab40d797293ecb9b4a894 | 1 | static int encode_tile(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno)
{
int compno, reslevelno, bandno, ret;
Jpeg2000T1Context t1;
Jpeg2000CodingStyle *codsty = &s->codsty;
for (compno = 0; compno < s->ncomponents; compno++){
Jpeg2000Component *comp = s->tile[tileno].comp + compno;
av_log(s->avctx, AV_LOG_DEBUG,"dwt\n");
if (ret = ff_dwt_encode(&comp->dwt, comp->i_data))
return ret;
av_log(s->avctx, AV_LOG_DEBUG,"after dwt -> tier1\n");
for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
for (bandno = 0; bandno < reslevel->nbands ; bandno++){
Jpeg2000Band *band = reslevel->band + bandno;
Jpeg2000Prec *prec = band->prec; // we support only 1 precinct per band ATM in the encoder
int cblkx, cblky, cblkno=0, xx0, x0, xx1, y0, yy0, yy1, bandpos;
yy0 = bandno == 0 ? 0 : comp->reslevel[reslevelno-1].coord[1][1] - comp->reslevel[reslevelno-1].coord[1][0];
y0 = yy0;
yy1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[1][0] + 1, band->log2_cblk_height) << band->log2_cblk_height,
band->coord[1][1]) - band->coord[1][0] + yy0;
if (band->coord[0][0] == band->coord[0][1] || band->coord[1][0] == band->coord[1][1])
continue;
bandpos = bandno + (reslevelno > 0);
for (cblky = 0; cblky < prec->nb_codeblocks_height; cblky++){
if (reslevelno == 0 || bandno == 1)
xx0 = 0;
else
xx0 = comp->reslevel[reslevelno-1].coord[0][1] - comp->reslevel[reslevelno-1].coord[0][0];
x0 = xx0;
xx1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[0][0] + 1, band->log2_cblk_width) << band->log2_cblk_width,
band->coord[0][1]) - band->coord[0][0] + xx0;
for (cblkx = 0; cblkx < prec->nb_codeblocks_width; cblkx++, cblkno++){
int y, x;
if (codsty->transform == FF_DWT53){
for (y = yy0; y < yy1; y++){
int *ptr = t1.data[y-yy0];
for (x = xx0; x < xx1; x++){
*ptr++ = comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x] << NMSEDEC_FRACBITS;
}
}
} else{
for (y = yy0; y < yy1; y++){
int *ptr = t1.data[y-yy0];
for (x = xx0; x < xx1; x++){
*ptr = (comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x]);
*ptr = (int64_t)*ptr * (int64_t)(16384 * 65536 / band->i_stepsize) >> 14 - NMSEDEC_FRACBITS;
ptr++;
}
}
}
encode_cblk(s, &t1, prec->cblk + cblkno, tile, xx1 - xx0, yy1 - yy0,
bandpos, codsty->nreslevels - reslevelno - 1);
xx0 = xx1;
xx1 = FFMIN(xx1 + (1 << band->log2_cblk_width), band->coord[0][1] - band->coord[0][0] + x0);
}
yy0 = yy1;
yy1 = FFMIN(yy1 + (1 << band->log2_cblk_height), band->coord[1][1] - band->coord[1][0] + y0);
}
}
}
av_log(s->avctx, AV_LOG_DEBUG, "after tier1\n");
}
av_log(s->avctx, AV_LOG_DEBUG, "rate control\n");
truncpasses(s, tile);
if (ret = encode_packets(s, tile, tileno))
return ret;
av_log(s->avctx, AV_LOG_DEBUG, "after rate control\n");
return 0;
}
| 15,668 |
qemu | b45c03f585ea9bb1af76c73e82195418c294919d | 1 | static struct omap_mpuio_s *omap_mpuio_init(MemoryRegion *memory,
hwaddr base,
qemu_irq kbd_int, qemu_irq gpio_int, qemu_irq wakeup,
omap_clk clk)
{
struct omap_mpuio_s *s = (struct omap_mpuio_s *)
g_malloc0(sizeof(struct omap_mpuio_s));
s->irq = gpio_int;
s->kbd_irq = kbd_int;
s->wakeup = wakeup;
s->in = qemu_allocate_irqs(omap_mpuio_set, s, 16);
omap_mpuio_reset(s);
memory_region_init_io(&s->iomem, NULL, &omap_mpuio_ops, s,
"omap-mpuio", 0x800);
memory_region_add_subregion(memory, base, &s->iomem);
omap_clk_adduser(clk, qemu_allocate_irq(omap_mpuio_onoff, s, 0));
return s;
}
| 15,669 |
FFmpeg | dffae122d0f448029c30afc672233f114a3fe09c | 1 | static int decode_block(MJpegDecodeContext *s, int16_t *block, int component,
int dc_index, int ac_index, int16_t *quant_matrix)
{
int code, i, j, level, val;
/* DC coef */
val = mjpeg_decode_dc(s, dc_index);
if (val == 0xfffff) {
av_log(s->avctx, AV_LOG_ERROR, "error dc\n");
return AVERROR_INVALIDDATA;
}
val = val * quant_matrix[0] + s->last_dc[component];
s->last_dc[component] = val;
block[0] = val;
/* AC coefs */
i = 0;
{OPEN_READER(re, &s->gb);
do {
UPDATE_CACHE(re, &s->gb);
GET_VLC(code, re, &s->gb, s->vlcs[1][ac_index].table, 9, 2);
i += ((unsigned)code) >> 4;
code &= 0xf;
if (code) {
if (code > MIN_CACHE_BITS - 16)
UPDATE_CACHE(re, &s->gb);
{
int cache = GET_CACHE(re, &s->gb);
int sign = (~cache) >> 31;
level = (NEG_USR32(sign ^ cache,code) ^ sign) - sign;
}
LAST_SKIP_BITS(re, &s->gb, code);
if (i > 63) {
av_log(s->avctx, AV_LOG_ERROR, "error count: %d\n", i);
return AVERROR_INVALIDDATA;
}
j = s->scantable.permutated[i];
block[j] = level * quant_matrix[j];
}
} while (i < 63);
CLOSE_READER(re, &s->gb);}
return 0;
} | 15,670 |
qemu | e49ab19fcaa617ad6cdfe1ac401327326b6a2552 | 1 | static void iscsi_attach_aio_context(BlockDriverState *bs,
AioContext *new_context)
{
IscsiLun *iscsilun = bs->opaque;
iscsilun->aio_context = new_context;
iscsi_set_events(iscsilun);
#if defined(LIBISCSI_FEATURE_NOP_COUNTER)
/* Set up a timer for sending out iSCSI NOPs */
iscsilun->nop_timer = aio_timer_new(iscsilun->aio_context,
QEMU_CLOCK_REALTIME, SCALE_MS,
iscsi_nop_timed_event, iscsilun);
timer_mod(iscsilun->nop_timer,
qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + NOP_INTERVAL);
#endif
}
| 15,671 |
qemu | 078a458e077d6b0db262c4b05fee51d01de2d1d2 | 1 | static int64_t alloc_block(BlockDriverState* bs, int64_t sector_num)
{
BDRVVPCState *s = bs->opaque;
int64_t bat_offset;
uint32_t index, bat_value;
int ret;
uint8_t bitmap[s->bitmap_size];
// Check if sector_num is valid
if ((sector_num < 0) || (sector_num > bs->total_sectors))
return -1;
// Write entry into in-memory BAT
index = (sector_num * 512) / s->block_size;
if (s->pagetable[index] != 0xFFFFFFFF)
return -1;
s->pagetable[index] = s->free_data_block_offset / 512;
// Initialize the block's bitmap
memset(bitmap, 0xff, s->bitmap_size);
bdrv_pwrite(bs->file, s->free_data_block_offset, bitmap, s->bitmap_size);
// Write new footer (the old one will be overwritten)
s->free_data_block_offset += s->block_size + s->bitmap_size;
ret = rewrite_footer(bs);
if (ret < 0)
goto fail;
// Write BAT entry to disk
bat_offset = s->bat_offset + (4 * index);
bat_value = be32_to_cpu(s->pagetable[index]);
ret = bdrv_pwrite(bs->file, bat_offset, &bat_value, 4);
if (ret < 0)
goto fail;
return get_sector_offset(bs, sector_num, 0);
fail:
s->free_data_block_offset -= (s->block_size + s->bitmap_size);
return -1;
}
| 15,672 |
FFmpeg | 3b8617429014301b26b587a5e537910746d3377a | 1 | static int decode_cblk(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty,
Jpeg2000T1Context *t1, Jpeg2000Cblk *cblk,
int width, int height, int bandpos)
{
int passno = cblk->npasses, pass_t = 2, bpno = cblk->nonzerobits - 1, y, clnpass_cnt = 0;
int bpass_csty_symbol = JPEG2000_CBLK_BYPASS & codsty->cblk_style;
int vert_causal_ctx_csty_symbol = JPEG2000_CBLK_VSC & codsty->cblk_style;
for (y = 0; y < height; y++)
memset(t1->data[y], 0, width * sizeof(**t1->data));
/* If code-block contains no compressed data: nothing to do. */
if (!cblk->length)
return 0;
for (y = 0; y < height+2; y++)
memset(t1->flags[y], 0, (width + 2)*sizeof(**t1->flags));
cblk->data[cblk->length] = 0xff;
cblk->data[cblk->length+1] = 0xff;
ff_mqc_initdec(&t1->mqc, cblk->data);
while (passno--) {
if (bpno < 0) {
av_log(s->avctx, AV_LOG_ERROR, "bpno invalid\n");
return AVERROR(EINVAL);
}
switch(pass_t) {
case 0:
decode_sigpass(t1, width, height, bpno + 1, bandpos,
bpass_csty_symbol && (clnpass_cnt >= 4), vert_causal_ctx_csty_symbol);
break;
case 1:
decode_refpass(t1, width, height, bpno + 1);
if (bpass_csty_symbol && clnpass_cnt >= 4)
ff_mqc_initdec(&t1->mqc, cblk->data);
break;
case 2:
decode_clnpass(s, t1, width, height, bpno + 1, bandpos,
codsty->cblk_style & JPEG2000_CBLK_SEGSYM, vert_causal_ctx_csty_symbol);
clnpass_cnt = clnpass_cnt + 1;
if (bpass_csty_symbol && clnpass_cnt >= 4)
ff_mqc_initdec(&t1->mqc, cblk->data);
break;
}
pass_t++;
if (pass_t == 3) {
bpno--;
pass_t = 0;
}
}
return 0;
}
| 15,673 |
qemu | 7d1b0095bff7157e856d1d0e6c4295641ced2752 | 1 | static void gen_addq(DisasContext *s, TCGv_i64 val, int rlow, int rhigh)
{
TCGv_i64 tmp;
TCGv tmpl;
TCGv tmph;
/* Load 64-bit value rd:rn. */
tmpl = load_reg(s, rlow);
tmph = load_reg(s, rhigh);
tmp = tcg_temp_new_i64();
tcg_gen_concat_i32_i64(tmp, tmpl, tmph);
dead_tmp(tmpl);
dead_tmp(tmph);
tcg_gen_add_i64(val, val, tmp);
tcg_temp_free_i64(tmp);
}
| 15,674 |
qemu | 2bf3aa85f08186b8162b76e7e8efe5b5a44306a6 | 1 | static int do_compress_ram_page(QEMUFile *f, RAMBlock *block,
ram_addr_t offset)
{
RAMState *rs = &ram_state;
int bytes_sent, blen;
uint8_t *p = block->host + (offset & TARGET_PAGE_MASK);
bytes_sent = save_page_header(rs, block, offset |
RAM_SAVE_FLAG_COMPRESS_PAGE);
blen = qemu_put_compression_data(f, p, TARGET_PAGE_SIZE,
migrate_compress_level());
if (blen < 0) {
bytes_sent = 0;
qemu_file_set_error(migrate_get_current()->to_dst_file, blen);
error_report("compressed data failed!");
} else {
bytes_sent += blen;
ram_release_pages(block->idstr, offset & TARGET_PAGE_MASK, 1);
}
return bytes_sent;
}
| 15,675 |
FFmpeg | 1181d93231e9b807965724587d363c1cfd5a1d0d | 0 | void ff_avg_h264_qpel4_mc11_msa(uint8_t *dst, const uint8_t *src,
ptrdiff_t stride)
{
avc_luma_hv_qrt_and_aver_dst_4x4_msa(src - 2,
src - (stride * 2),
stride, dst, stride);
}
| 15,676 |
FFmpeg | 59ffb6e2cc0974f3090a10facdedf8da5f6bf742 | 0 | static int ra144_decode_frame(AVCodecContext * avctx,
void *vdata, int *data_size,
const uint8_t * buf, int buf_size)
{
static const uint8_t sizes[10] = {6, 5, 5, 4, 4, 3, 3, 3, 3, 2};
unsigned int a, b, c;
int i;
signed short *shptr;
int16_t *data = vdata;
unsigned int val;
Real144_internal *glob = avctx->priv_data;
GetBitContext gb;
if(buf_size == 0)
return 0;
init_get_bits(&gb, buf, 20 * 8);
for (i=0; i<10; i++)
// "<< 1"? Doesn't this make one value out of two of the table useless?
glob->swapbuf1[i] = decodetable[i][get_bits(&gb, sizes[i]) << 1];
do_voice(glob->swapbuf1, glob->swapbuf2);
val = decodeval[get_bits(&gb, 5) << 1]; // Useless table entries?
a = t_sqrt(val*glob->oldval) >> 12;
for (c=0; c < NBLOCKS; c++) {
if (c == (NBLOCKS - 1)) {
dec1(glob, glob->swapbuf1, glob->swapbuf2, 3, val);
} else {
if (c * 2 == (NBLOCKS - 2)) {
if (glob->oldval < val) {
dec2(glob, glob->swapbuf1, glob->swapbuf2, 3, a, glob->swapbuf2alt, c);
} else {
dec2(glob, glob->swapbuf1alt, glob->swapbuf2alt, 3, a, glob->swapbuf2, c);
}
} else {
if (c * 2 < (NBLOCKS - 2)) {
dec2(glob, glob->swapbuf1alt, glob->swapbuf2alt, 3, glob->oldval, glob->swapbuf2, c);
} else {
dec2(glob, glob->swapbuf1, glob->swapbuf2, 3, val, glob->swapbuf2alt, c);
}
}
}
}
/* do output */
for (b=0, c=0; c<4; c++) {
unsigned int gval = glob->gbuf1[c * 2];
unsigned short *gsp = glob->gbuf2 + b;
signed short output_buffer[40];
do_output_subblock(glob, gsp, gval, output_buffer, &gb);
shptr = output_buffer;
while (shptr < output_buffer + BLOCKSIZE)
*data++ = av_clip_int16(*(shptr++) << 2);
b += 30;
}
glob->oldval = val;
FFSWAP(unsigned int *, glob->swapbuf1alt, glob->swapbuf1);
FFSWAP(unsigned int *, glob->swapbuf2alt, glob->swapbuf2);
*data_size = 2*160;
return 20;
}
| 15,677 |
FFmpeg | 719dbe86ea0e85b3b89f492c69e10bb0e733bcbb | 0 | static int h261_decode_picture_header(H261Context *h)
{
MpegEncContext *const s = &h->s;
int format, i;
uint32_t startcode = 0;
for (i = get_bits_left(&s->gb); i > 24; i -= 1) {
startcode = ((startcode << 1) | get_bits(&s->gb, 1)) & 0x000FFFFF;
if (startcode == 0x10)
break;
}
if (startcode != 0x10) {
av_log(s->avctx, AV_LOG_ERROR, "Bad picture start code\n");
return -1;
}
/* temporal reference */
i = get_bits(&s->gb, 5); /* picture timestamp */
if (i < (s->picture_number & 31))
i += 32;
s->picture_number = (s->picture_number & ~31) + i;
s->avctx->time_base = (AVRational) { 1001, 30000 };
/* PTYPE starts here */
skip_bits1(&s->gb); /* split screen off */
skip_bits1(&s->gb); /* camera off */
skip_bits1(&s->gb); /* freeze picture release off */
format = get_bits1(&s->gb);
// only 2 formats possible
if (format == 0) { // QCIF
s->width = 176;
s->height = 144;
s->mb_width = 11;
s->mb_height = 9;
} else { // CIF
s->width = 352;
s->height = 288;
s->mb_width = 22;
s->mb_height = 18;
}
s->mb_num = s->mb_width * s->mb_height;
skip_bits1(&s->gb); /* still image mode off */
skip_bits1(&s->gb); /* Reserved */
/* PEI */
while (get_bits1(&s->gb) != 0)
skip_bits(&s->gb, 8);
/* H.261 has no I-frames, but if we pass AV_PICTURE_TYPE_I for the first
* frame, the codec crashes if it does not contain all I-blocks
* (e.g. when a packet is lost). */
s->pict_type = AV_PICTURE_TYPE_P;
h->gob_number = 0;
return 0;
}
| 15,678 |
qemu | 323ad19bcc601d3ec9cb6f0f5b4d67b602fc519e | 1 | static void ppc_cpu_unrealizefn(DeviceState *dev, Error **errp)
{
PowerPCCPU *cpu = POWERPC_CPU(dev);
CPUPPCState *env = &cpu->env;
opc_handler_t **table;
int i, j;
cpu_exec_exit(CPU(dev));
for (i = 0; i < PPC_CPU_OPCODES_LEN; i++) {
if (env->opcodes[i] == &invalid_handler) {
continue;
}
if (is_indirect_opcode(env->opcodes[i])) {
table = ind_table(env->opcodes[i]);
for (j = 0; j < PPC_CPU_INDIRECT_OPCODES_LEN; j++) {
if (table[j] != &invalid_handler &&
is_indirect_opcode(table[j])) {
g_free((opc_handler_t *)((uintptr_t)table[j] &
~PPC_INDIRECT));
}
}
g_free((opc_handler_t *)((uintptr_t)env->opcodes[i] &
~PPC_INDIRECT));
}
}
}
| 15,680 |
FFmpeg | 073c2593c9f0aa4445a6fc1b9b24e6e52a8cc2c1 | 1 | static void h261_decode_init_vlc(H261Context *h){
static int done = 0;
if(!done){
done = 1;
init_vlc(&h261_mba_vlc, H261_MBA_VLC_BITS, 35,
h261_mba_bits, 1, 1,
h261_mba_code, 1, 1);
init_vlc(&h261_mtype_vlc, H261_MTYPE_VLC_BITS, 10,
h261_mtype_bits, 1, 1,
h261_mtype_code, 1, 1);
init_vlc(&h261_mv_vlc, H261_MV_VLC_BITS, 17,
&h261_mv_tab[0][1], 2, 1,
&h261_mv_tab[0][0], 2, 1);
init_vlc(&h261_cbp_vlc, H261_CBP_VLC_BITS, 63,
&h261_cbp_tab[0][1], 2, 1,
&h261_cbp_tab[0][0], 2, 1);
init_rl(&h261_rl_tcoeff);
init_vlc_rl(&h261_rl_tcoeff);
}
}
| 15,681 |
qemu | 9633fcc6a02f23e3ef00aa5fe3fe9c41f57c3456 | 1 | static void init_proc_750cl (CPUPPCState *env)
{
gen_spr_ne_601(env);
gen_spr_7xx(env);
/* XXX : not implemented */
spr_register(env, SPR_L2CR, "L2CR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, NULL,
0x00000000);
/* Time base */
gen_tbl(env);
/* Thermal management */
/* Those registers are fake on 750CL */
spr_register(env, SPR_THRM1, "THRM1",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
spr_register(env, SPR_THRM2, "THRM2",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
spr_register(env, SPR_THRM3, "THRM3",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX: not implemented */
spr_register(env, SPR_750_TDCL, "TDCL",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
spr_register(env, SPR_750_TDCH, "TDCH",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* DMA */
/* XXX : not implemented */
spr_register(env, SPR_750_WPAR, "WPAR",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
spr_register(env, SPR_750_DMAL, "DMAL",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
spr_register(env, SPR_750_DMAU, "DMAU",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* Hardware implementation registers */
/* XXX : not implemented */
spr_register(env, SPR_HID0, "HID0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_HID1, "HID1",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_750CL_HID2, "HID2",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_750CL_HID4, "HID4",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* Quantization registers */
/* XXX : not implemented */
spr_register(env, SPR_750_GQR0, "GQR0",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_750_GQR1, "GQR1",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_750_GQR2, "GQR2",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_750_GQR3, "GQR3",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_750_GQR4, "GQR4",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_750_GQR5, "GQR5",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_750_GQR6, "GQR6",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* XXX : not implemented */
spr_register(env, SPR_750_GQR7, "GQR7",
SPR_NOACCESS, SPR_NOACCESS,
&spr_read_generic, &spr_write_generic,
0x00000000);
/* Memory management */
gen_low_BATs(env);
/* PowerPC 750cl has 8 DBATs and 8 IBATs */
gen_high_BATs(env);
init_excp_750cl(env);
env->dcache_line_size = 32;
env->icache_line_size = 32;
/* Allocate hardware IRQ controller */
ppc6xx_irq_init(env);
}
| 15,682 |
qemu | a46622fd07edc6fd3c66f8ab79b4782a78b115f3 | 1 | static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong opcode, target_ulong *args)
{
CPUState *cs;
target_ulong mflags = args[0];
target_ulong resource = args[1];
target_ulong value1 = args[2];
target_ulong value2 = args[3];
target_ulong ret = H_P2;
if (resource == H_SET_MODE_ENDIAN) {
if (value1) {
ret = H_P3;
goto out;
}
if (value2) {
ret = H_P4;
goto out;
}
switch (mflags) {
case H_SET_MODE_ENDIAN_BIG:
CPU_FOREACH(cs) {
PowerPCCPU *cp = POWERPC_CPU(cs);
CPUPPCState *env = &cp->env;
env->spr[SPR_LPCR] &= ~LPCR_ILE;
}
ret = H_SUCCESS;
break;
case H_SET_MODE_ENDIAN_LITTLE:
CPU_FOREACH(cs) {
PowerPCCPU *cp = POWERPC_CPU(cs);
CPUPPCState *env = &cp->env;
env->spr[SPR_LPCR] |= LPCR_ILE;
}
ret = H_SUCCESS;
break;
default:
ret = H_UNSUPPORTED_FLAG;
}
}
out:
return ret;
}
| 15,683 |
FFmpeg | 3e0757c2a87c8cf3e452f67bca279001c64cedff | 1 | static int xan_wc3_decode_frame(XanContext *s) {
int width = s->avctx->width;
int height = s->avctx->height;
int total_pixels = width * height;
unsigned char opcode;
unsigned char flag = 0;
int size = 0;
int motion_x, motion_y;
int x, y;
unsigned char *opcode_buffer = s->buffer1;
unsigned char *opcode_buffer_end = s->buffer1 + s->buffer1_size;
int opcode_buffer_size = s->buffer1_size;
const unsigned char *imagedata_buffer = s->buffer2;
/* pointers to segments inside the compressed chunk */
const unsigned char *huffman_segment;
const unsigned char *size_segment;
const unsigned char *vector_segment;
const unsigned char *imagedata_segment;
int huffman_offset, size_offset, vector_offset, imagedata_offset, imagedata_size;
if (s->size < 8)
return AVERROR_INVALIDDATA;
huffman_offset = AV_RL16(&s->buf[0]);
size_offset = AV_RL16(&s->buf[2]);
vector_offset = AV_RL16(&s->buf[4]);
imagedata_offset = AV_RL16(&s->buf[6]);
if (huffman_offset >= s->size ||
size_offset >= s->size ||
vector_offset >= s->size ||
imagedata_offset >= s->size)
return AVERROR_INVALIDDATA;
huffman_segment = s->buf + huffman_offset;
size_segment = s->buf + size_offset;
vector_segment = s->buf + vector_offset;
imagedata_segment = s->buf + imagedata_offset;
if (xan_huffman_decode(opcode_buffer, opcode_buffer_size,
huffman_segment, s->size - huffman_offset) < 0)
return AVERROR_INVALIDDATA;
if (imagedata_segment[0] == 2) {
xan_unpack(s->buffer2, &imagedata_segment[1], s->buffer2_size);
imagedata_size = s->buffer2_size;
} else {
imagedata_size = s->size - imagedata_offset - 1;
imagedata_buffer = &imagedata_segment[1];
}
/* use the decoded data segments to build the frame */
x = y = 0;
while (total_pixels && opcode_buffer < opcode_buffer_end) {
opcode = *opcode_buffer++;
size = 0;
switch (opcode) {
case 0:
flag ^= 1;
continue;
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
size = opcode;
break;
case 12:
case 13:
case 14:
case 15:
case 16:
case 17:
case 18:
size += (opcode - 10);
break;
case 9:
case 19:
size = *size_segment++;
break;
case 10:
case 20:
size = AV_RB16(&size_segment[0]);
size_segment += 2;
break;
case 11:
case 21:
size = AV_RB24(size_segment);
size_segment += 3;
break;
}
if (size > total_pixels)
break;
if (opcode < 12) {
flag ^= 1;
if (flag) {
/* run of (size) pixels is unchanged from last frame */
xan_wc3_copy_pixel_run(s, x, y, size, 0, 0);
} else {
/* output a run of pixels from imagedata_buffer */
if (imagedata_size < size)
break;
xan_wc3_output_pixel_run(s, imagedata_buffer, x, y, size);
imagedata_buffer += size;
imagedata_size -= size;
}
} else {
/* run-based motion compensation from last frame */
motion_x = sign_extend(*vector_segment >> 4, 4);
motion_y = sign_extend(*vector_segment & 0xF, 4);
vector_segment++;
/* copy a run of pixels from the previous frame */
xan_wc3_copy_pixel_run(s, x, y, size, motion_x, motion_y);
flag = 0;
}
/* coordinate accounting */
total_pixels -= size;
y += (x + size) / width;
x = (x + size) % width;
}
return 0;
}
| 15,684 |
qemu | 1976cccec8a9965ff3fd6f026783a04f6b4959fd | 1 | uintptr_t tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
{
long tcg_temps[CPU_TEMP_BUF_NLONGS];
uintptr_t sp_value = (uintptr_t)(tcg_temps + CPU_TEMP_BUF_NLONGS);
uintptr_t next_tb = 0;
tci_reg[TCG_AREG0] = (tcg_target_ulong)env;
tci_reg[TCG_REG_CALL_STACK] = sp_value;
assert(tb_ptr);
for (;;) {
TCGOpcode opc = tb_ptr[0];
#if !defined(NDEBUG)
uint8_t op_size = tb_ptr[1];
uint8_t *old_code_ptr = tb_ptr;
#endif
tcg_target_ulong t0;
tcg_target_ulong t1;
tcg_target_ulong t2;
tcg_target_ulong label;
TCGCond condition;
target_ulong taddr;
#ifndef CONFIG_SOFTMMU
tcg_target_ulong host_addr;
#endif
uint8_t tmp8;
uint16_t tmp16;
uint32_t tmp32;
uint64_t tmp64;
#if TCG_TARGET_REG_BITS == 32
uint64_t v64;
#endif
#if defined(GETPC)
tci_tb_ptr = (uintptr_t)tb_ptr;
#endif
/* Skip opcode and size entry. */
tb_ptr += 2;
switch (opc) {
case INDEX_op_end:
case INDEX_op_nop:
break;
case INDEX_op_nop1:
case INDEX_op_nop2:
case INDEX_op_nop3:
case INDEX_op_nopn:
case INDEX_op_discard:
TODO();
break;
case INDEX_op_set_label:
TODO();
break;
case INDEX_op_call:
t0 = tci_read_ri(&tb_ptr);
#if TCG_TARGET_REG_BITS == 32
tmp64 = ((helper_function)t0)(tci_read_reg(TCG_REG_R0),
tci_read_reg(TCG_REG_R1),
tci_read_reg(TCG_REG_R2),
tci_read_reg(TCG_REG_R3),
tci_read_reg(TCG_REG_R5),
tci_read_reg(TCG_REG_R6),
tci_read_reg(TCG_REG_R7),
tci_read_reg(TCG_REG_R8),
tci_read_reg(TCG_REG_R9),
tci_read_reg(TCG_REG_R10));
tci_write_reg(TCG_REG_R0, tmp64);
tci_write_reg(TCG_REG_R1, tmp64 >> 32);
#else
tmp64 = ((helper_function)t0)(tci_read_reg(TCG_REG_R0),
tci_read_reg(TCG_REG_R1),
tci_read_reg(TCG_REG_R2),
tci_read_reg(TCG_REG_R3),
tci_read_reg(TCG_REG_R5));
tci_write_reg(TCG_REG_R0, tmp64);
#endif
break;
case INDEX_op_br:
label = tci_read_label(&tb_ptr);
assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = (uint8_t *)label;
continue;
case INDEX_op_setcond_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
condition = *tb_ptr++;
tci_write_reg32(t0, tci_compare32(t1, t2, condition));
break;
#if TCG_TARGET_REG_BITS == 32
case INDEX_op_setcond2_i32:
t0 = *tb_ptr++;
tmp64 = tci_read_r64(&tb_ptr);
v64 = tci_read_ri64(&tb_ptr);
condition = *tb_ptr++;
tci_write_reg32(t0, tci_compare64(tmp64, v64, condition));
break;
#elif TCG_TARGET_REG_BITS == 64
case INDEX_op_setcond_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
condition = *tb_ptr++;
tci_write_reg64(t0, tci_compare64(t1, t2, condition));
break;
#endif
case INDEX_op_mov_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg32(t0, t1);
break;
case INDEX_op_movi_i32:
t0 = *tb_ptr++;
t1 = tci_read_i32(&tb_ptr);
tci_write_reg32(t0, t1);
break;
/* Load/store operations (32 bit). */
case INDEX_op_ld8u_i32:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg8(t0, *(uint8_t *)(t1 + t2));
break;
case INDEX_op_ld8s_i32:
case INDEX_op_ld16u_i32:
TODO();
break;
case INDEX_op_ld16s_i32:
TODO();
break;
case INDEX_op_ld_i32:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg32(t0, *(uint32_t *)(t1 + t2));
break;
case INDEX_op_st8_i32:
t0 = tci_read_r8(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint8_t *)(t1 + t2) = t0;
break;
case INDEX_op_st16_i32:
t0 = tci_read_r16(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint16_t *)(t1 + t2) = t0;
break;
case INDEX_op_st_i32:
t0 = tci_read_r32(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
assert(t1 != sp_value || (int32_t)t2 < 0);
*(uint32_t *)(t1 + t2) = t0;
break;
/* Arithmetic operations (32 bit). */
case INDEX_op_add_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 + t2);
break;
case INDEX_op_sub_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 - t2);
break;
case INDEX_op_mul_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 * t2);
break;
#if TCG_TARGET_HAS_div_i32
case INDEX_op_div_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, (int32_t)t1 / (int32_t)t2);
break;
case INDEX_op_divu_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 / t2);
break;
case INDEX_op_rem_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, (int32_t)t1 % (int32_t)t2);
break;
case INDEX_op_remu_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 % t2);
break;
#elif TCG_TARGET_HAS_div2_i32
case INDEX_op_div2_i32:
case INDEX_op_divu2_i32:
TODO();
break;
#endif
case INDEX_op_and_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 & t2);
break;
case INDEX_op_or_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 | t2);
break;
case INDEX_op_xor_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 ^ t2);
break;
/* Shift/rotate operations (32 bit). */
case INDEX_op_shl_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 << t2);
break;
case INDEX_op_shr_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 >> t2);
break;
case INDEX_op_sar_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, ((int32_t)t1 >> t2));
break;
#if TCG_TARGET_HAS_rot_i32
case INDEX_op_rotl_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, rol32(t1, t2));
break;
case INDEX_op_rotr_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, ror32(t1, t2));
break;
#endif
#if TCG_TARGET_HAS_deposit_i32
case INDEX_op_deposit_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
t2 = tci_read_r32(&tb_ptr);
tmp16 = *tb_ptr++;
tmp8 = *tb_ptr++;
tmp32 = (((1 << tmp8) - 1) << tmp16);
tci_write_reg32(t0, (t1 & ~tmp32) | ((t2 << tmp16) & tmp32));
break;
#endif
case INDEX_op_brcond_i32:
t0 = tci_read_r32(&tb_ptr);
t1 = tci_read_ri32(&tb_ptr);
condition = *tb_ptr++;
label = tci_read_label(&tb_ptr);
if (tci_compare32(t0, t1, condition)) {
assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = (uint8_t *)label;
continue;
}
break;
#if TCG_TARGET_REG_BITS == 32
case INDEX_op_add2_i32:
t0 = *tb_ptr++;
t1 = *tb_ptr++;
tmp64 = tci_read_r64(&tb_ptr);
tmp64 += tci_read_r64(&tb_ptr);
tci_write_reg64(t1, t0, tmp64);
break;
case INDEX_op_sub2_i32:
t0 = *tb_ptr++;
t1 = *tb_ptr++;
tmp64 = tci_read_r64(&tb_ptr);
tmp64 -= tci_read_r64(&tb_ptr);
tci_write_reg64(t1, t0, tmp64);
break;
case INDEX_op_brcond2_i32:
tmp64 = tci_read_r64(&tb_ptr);
v64 = tci_read_ri64(&tb_ptr);
condition = *tb_ptr++;
label = tci_read_label(&tb_ptr);
if (tci_compare64(tmp64, v64, condition)) {
assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = (uint8_t *)label;
continue;
}
break;
case INDEX_op_mulu2_i32:
t0 = *tb_ptr++;
t1 = *tb_ptr++;
t2 = tci_read_r32(&tb_ptr);
tmp64 = tci_read_r32(&tb_ptr);
tci_write_reg64(t1, t0, t2 * tmp64);
break;
#endif /* TCG_TARGET_REG_BITS == 32 */
#if TCG_TARGET_HAS_ext8s_i32
case INDEX_op_ext8s_i32:
t0 = *tb_ptr++;
t1 = tci_read_r8s(&tb_ptr);
tci_write_reg32(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext16s_i32
case INDEX_op_ext16s_i32:
t0 = *tb_ptr++;
t1 = tci_read_r16s(&tb_ptr);
tci_write_reg32(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext8u_i32
case INDEX_op_ext8u_i32:
t0 = *tb_ptr++;
t1 = tci_read_r8(&tb_ptr);
tci_write_reg32(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext16u_i32
case INDEX_op_ext16u_i32:
t0 = *tb_ptr++;
t1 = tci_read_r16(&tb_ptr);
tci_write_reg32(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_bswap16_i32
case INDEX_op_bswap16_i32:
t0 = *tb_ptr++;
t1 = tci_read_r16(&tb_ptr);
tci_write_reg32(t0, bswap16(t1));
break;
#endif
#if TCG_TARGET_HAS_bswap32_i32
case INDEX_op_bswap32_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg32(t0, bswap32(t1));
break;
#endif
#if TCG_TARGET_HAS_not_i32
case INDEX_op_not_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg32(t0, ~t1);
break;
#endif
#if TCG_TARGET_HAS_neg_i32
case INDEX_op_neg_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg32(t0, -t1);
break;
#endif
#if TCG_TARGET_REG_BITS == 64
case INDEX_op_mov_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
tci_write_reg64(t0, t1);
break;
case INDEX_op_movi_i64:
t0 = *tb_ptr++;
t1 = tci_read_i64(&tb_ptr);
tci_write_reg64(t0, t1);
break;
/* Load/store operations (64 bit). */
case INDEX_op_ld8u_i64:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg8(t0, *(uint8_t *)(t1 + t2));
break;
case INDEX_op_ld8s_i64:
case INDEX_op_ld16u_i64:
case INDEX_op_ld16s_i64:
TODO();
break;
case INDEX_op_ld32u_i64:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg32(t0, *(uint32_t *)(t1 + t2));
break;
case INDEX_op_ld32s_i64:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg32s(t0, *(int32_t *)(t1 + t2));
break;
case INDEX_op_ld_i64:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg64(t0, *(uint64_t *)(t1 + t2));
break;
case INDEX_op_st8_i64:
t0 = tci_read_r8(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint8_t *)(t1 + t2) = t0;
break;
case INDEX_op_st16_i64:
t0 = tci_read_r16(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint16_t *)(t1 + t2) = t0;
break;
case INDEX_op_st32_i64:
t0 = tci_read_r32(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint32_t *)(t1 + t2) = t0;
break;
case INDEX_op_st_i64:
t0 = tci_read_r64(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
assert(t1 != sp_value || (int32_t)t2 < 0);
*(uint64_t *)(t1 + t2) = t0;
break;
/* Arithmetic operations (64 bit). */
case INDEX_op_add_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 + t2);
break;
case INDEX_op_sub_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 - t2);
break;
case INDEX_op_mul_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 * t2);
break;
#if TCG_TARGET_HAS_div_i64
case INDEX_op_div_i64:
case INDEX_op_divu_i64:
case INDEX_op_rem_i64:
case INDEX_op_remu_i64:
TODO();
break;
#elif TCG_TARGET_HAS_div2_i64
case INDEX_op_div2_i64:
case INDEX_op_divu2_i64:
TODO();
break;
#endif
case INDEX_op_and_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 & t2);
break;
case INDEX_op_or_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 | t2);
break;
case INDEX_op_xor_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 ^ t2);
break;
/* Shift/rotate operations (64 bit). */
case INDEX_op_shl_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 << t2);
break;
case INDEX_op_shr_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 >> t2);
break;
case INDEX_op_sar_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, ((int64_t)t1 >> t2));
break;
#if TCG_TARGET_HAS_rot_i64
case INDEX_op_rotl_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, rol64(t1, t2));
break;
case INDEX_op_rotr_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, ror64(t1, t2));
break;
#endif
#if TCG_TARGET_HAS_deposit_i64
case INDEX_op_deposit_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
t2 = tci_read_r64(&tb_ptr);
tmp16 = *tb_ptr++;
tmp8 = *tb_ptr++;
tmp64 = (((1ULL << tmp8) - 1) << tmp16);
tci_write_reg64(t0, (t1 & ~tmp64) | ((t2 << tmp16) & tmp64));
break;
#endif
case INDEX_op_brcond_i64:
t0 = tci_read_r64(&tb_ptr);
t1 = tci_read_ri64(&tb_ptr);
condition = *tb_ptr++;
label = tci_read_label(&tb_ptr);
if (tci_compare64(t0, t1, condition)) {
assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = (uint8_t *)label;
continue;
}
break;
#if TCG_TARGET_HAS_ext8u_i64
case INDEX_op_ext8u_i64:
t0 = *tb_ptr++;
t1 = tci_read_r8(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext8s_i64
case INDEX_op_ext8s_i64:
t0 = *tb_ptr++;
t1 = tci_read_r8s(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext16s_i64
case INDEX_op_ext16s_i64:
t0 = *tb_ptr++;
t1 = tci_read_r16s(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext16u_i64
case INDEX_op_ext16u_i64:
t0 = *tb_ptr++;
t1 = tci_read_r16(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext32s_i64
case INDEX_op_ext32s_i64:
t0 = *tb_ptr++;
t1 = tci_read_r32s(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext32u_i64
case INDEX_op_ext32u_i64:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_bswap16_i64
case INDEX_op_bswap16_i64:
TODO();
t0 = *tb_ptr++;
t1 = tci_read_r16(&tb_ptr);
tci_write_reg64(t0, bswap16(t1));
break;
#endif
#if TCG_TARGET_HAS_bswap32_i64
case INDEX_op_bswap32_i64:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg64(t0, bswap32(t1));
break;
#endif
#if TCG_TARGET_HAS_bswap64_i64
case INDEX_op_bswap64_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
tci_write_reg64(t0, bswap64(t1));
break;
#endif
#if TCG_TARGET_HAS_not_i64
case INDEX_op_not_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
tci_write_reg64(t0, ~t1);
break;
#endif
#if TCG_TARGET_HAS_neg_i64
case INDEX_op_neg_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
tci_write_reg64(t0, -t1);
break;
#endif
#endif /* TCG_TARGET_REG_BITS == 64 */
/* QEMU specific operations. */
#if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
case INDEX_op_debug_insn_start:
TODO();
break;
#else
case INDEX_op_debug_insn_start:
TODO();
break;
#endif
case INDEX_op_exit_tb:
next_tb = *(uint64_t *)tb_ptr;
goto exit;
break;
case INDEX_op_goto_tb:
t0 = tci_read_i32(&tb_ptr);
assert(tb_ptr == old_code_ptr + op_size);
tb_ptr += (int32_t)t0;
continue;
case INDEX_op_qemu_ld8u:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp8 = helper_ldb_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
tmp8 = *(uint8_t *)(host_addr + GUEST_BASE);
#endif
tci_write_reg8(t0, tmp8);
break;
case INDEX_op_qemu_ld8s:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp8 = helper_ldb_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
tmp8 = *(uint8_t *)(host_addr + GUEST_BASE);
#endif
tci_write_reg8s(t0, tmp8);
break;
case INDEX_op_qemu_ld16u:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp16 = helper_ldw_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
tmp16 = tswap16(*(uint16_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg16(t0, tmp16);
break;
case INDEX_op_qemu_ld16s:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp16 = helper_ldw_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
tmp16 = tswap16(*(uint16_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg16s(t0, tmp16);
break;
#if TCG_TARGET_REG_BITS == 64
case INDEX_op_qemu_ld32u:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg32(t0, tmp32);
break;
case INDEX_op_qemu_ld32s:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg32s(t0, tmp32);
break;
#endif /* TCG_TARGET_REG_BITS == 64 */
case INDEX_op_qemu_ld32:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg32(t0, tmp32);
break;
case INDEX_op_qemu_ld64:
t0 = *tb_ptr++;
#if TCG_TARGET_REG_BITS == 32
t1 = *tb_ptr++;
#endif
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp64 = helper_ldq_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
tmp64 = tswap64(*(uint64_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg(t0, tmp64);
#if TCG_TARGET_REG_BITS == 32
tci_write_reg(t1, tmp64 >> 32);
#endif
break;
case INDEX_op_qemu_st8:
t0 = tci_read_r8(&tb_ptr);
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
t2 = tci_read_i(&tb_ptr);
helper_stb_mmu(env, taddr, t0, t2);
#else
host_addr = (tcg_target_ulong)taddr;
*(uint8_t *)(host_addr + GUEST_BASE) = t0;
#endif
break;
case INDEX_op_qemu_st16:
t0 = tci_read_r16(&tb_ptr);
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
t2 = tci_read_i(&tb_ptr);
helper_stw_mmu(env, taddr, t0, t2);
#else
host_addr = (tcg_target_ulong)taddr;
*(uint16_t *)(host_addr + GUEST_BASE) = tswap16(t0);
#endif
break;
case INDEX_op_qemu_st32:
t0 = tci_read_r32(&tb_ptr);
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
t2 = tci_read_i(&tb_ptr);
helper_stl_mmu(env, taddr, t0, t2);
#else
host_addr = (tcg_target_ulong)taddr;
*(uint32_t *)(host_addr + GUEST_BASE) = tswap32(t0);
#endif
break;
case INDEX_op_qemu_st64:
tmp64 = tci_read_r64(&tb_ptr);
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
t2 = tci_read_i(&tb_ptr);
helper_stq_mmu(env, taddr, tmp64, t2);
#else
host_addr = (tcg_target_ulong)taddr;
*(uint64_t *)(host_addr + GUEST_BASE) = tswap64(tmp64);
#endif
break;
default:
TODO();
break;
}
assert(tb_ptr == old_code_ptr + op_size);
}
exit:
return next_tb;
}
| 15,685 |
FFmpeg | b43b95f4789b6e60f9684918fd3c0a5f3f18aef6 | 1 | static int vp9_raw_reorder_make_output(AVBSFContext *bsf,
AVPacket *out,
VP9RawReorderFrame *last_frame)
{
VP9RawReorderContext *ctx = bsf->priv_data;
VP9RawReorderFrame *next_output = last_frame,
*next_display = last_frame, *frame;
int s, err;
for (s = 0; s < FRAME_SLOTS; s++) {
frame = ctx->slot[s];
if (!frame)
continue;
if (frame->needs_output && (!next_output ||
frame->sequence < next_output->sequence))
next_output = frame;
if (frame->needs_display && (!next_display ||
frame->pts < next_display->pts))
next_display = frame;
}
if (!next_output && !next_display)
return AVERROR_EOF;
if (!next_display || (next_output &&
next_output->sequence < next_display->sequence))
frame = next_output;
else
frame = next_display;
if (frame->needs_output && frame->needs_display &&
next_output == next_display) {
av_log(bsf, AV_LOG_DEBUG, "Output and display frame "
"%"PRId64" (%"PRId64") in order.\n",
frame->sequence, frame->pts);
av_packet_move_ref(out, frame->packet);
frame->needs_output = frame->needs_display = 0;
} else if (frame->needs_output) {
if (frame->needs_display) {
av_log(bsf, AV_LOG_DEBUG, "Output frame %"PRId64" "
"(%"PRId64") for later display.\n",
frame->sequence, frame->pts);
} else {
av_log(bsf, AV_LOG_DEBUG, "Output unshown frame "
"%"PRId64" (%"PRId64") to keep order.\n",
frame->sequence, frame->pts);
}
av_packet_move_ref(out, frame->packet);
out->pts = out->dts;
frame->needs_output = 0;
} else {
PutBitContext pb;
av_assert0(!frame->needs_output && frame->needs_display);
if (frame->slots == 0) {
av_log(bsf, AV_LOG_ERROR, "Attempting to display frame "
"which is no longer available?\n");
frame->needs_display = 0;
return AVERROR_INVALIDDATA;
}
s = ff_ctz(frame->slots);
av_assert0(s < FRAME_SLOTS);
av_log(bsf, AV_LOG_DEBUG, "Display frame %"PRId64" "
"(%"PRId64") from slot %d.\n",
frame->sequence, frame->pts, s);
frame->packet = av_packet_alloc();
if (!frame->packet)
return AVERROR(ENOMEM);
err = av_new_packet(out, 2);
if (err < 0)
return err;
init_put_bits(&pb, out->data, 2);
// frame_marker
put_bits(&pb, 2, 2);
// profile_low_bit
put_bits(&pb, 1, frame->profile & 1);
// profile_high_bit
put_bits(&pb, 1, (frame->profile >> 1) & 1);
if (frame->profile == 3) {
// reserved_zero
put_bits(&pb, 1, 0);
}
// show_existing_frame
put_bits(&pb, 1, 1);
// frame_to_show_map_idx
put_bits(&pb, 3, s);
while (put_bits_count(&pb) < 16)
put_bits(&pb, 1, 0);
flush_put_bits(&pb);
out->pts = out->dts = frame->pts;
frame->needs_display = 0;
}
return 0;
}
| 15,687 |
FFmpeg | 9351a156de724edb69ba6e1f05884fe806a13a21 | 1 | static void decode_band_structure(GetBitContext *gbc, int blk, int eac3,
int ecpl, int start_subband, int end_subband,
const uint8_t *default_band_struct,
int *num_bands, uint8_t *band_sizes)
{
int subbnd, bnd, n_subbands, n_bands=0;
uint8_t bnd_sz[22];
uint8_t coded_band_struct[22];
const uint8_t *band_struct;
n_subbands = end_subband - start_subband;
/* decode band structure from bitstream or use default */
if (!eac3 || get_bits1(gbc)) {
for (subbnd = 0; subbnd < n_subbands - 1; subbnd++) {
coded_band_struct[subbnd] = get_bits1(gbc);
}
band_struct = coded_band_struct;
} else if (!blk) {
band_struct = &default_band_struct[start_subband+1];
} else {
/* no change in band structure */
return;
}
/* calculate number of bands and band sizes based on band structure.
note that the first 4 subbands in enhanced coupling span only 6 bins
instead of 12. */
if (num_bands || band_sizes ) {
n_bands = n_subbands;
bnd_sz[0] = ecpl ? 6 : 12;
for (bnd = 0, subbnd = 1; subbnd < n_subbands; subbnd++) {
int subbnd_size = (ecpl && subbnd < 4) ? 6 : 12;
if (band_struct[subbnd - 1]) {
n_bands--;
bnd_sz[bnd] += subbnd_size;
} else {
bnd_sz[++bnd] = subbnd_size;
}
}
}
/* set optional output params */
if (num_bands)
*num_bands = n_bands;
if (band_sizes)
memcpy(band_sizes, bnd_sz, n_bands);
}
| 15,688 |
qemu | eff235eb2bcd7092901f4698a7907e742f3b7f2f | 1 | static ExitStatus trans_fop_weww_0e(DisasContext *ctx, uint32_t insn,
const DisasInsn *di)
{
unsigned rt = assemble_rt64(insn);
unsigned rb = assemble_rb64(insn);
unsigned ra = assemble_ra64(insn);
return do_fop_weww(ctx, rt, ra, rb, di->f_weww);
}
| 15,689 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.