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stringclasses 2
values | commit_id
stringlengths 40
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stringlengths 26
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FFmpeg | 05c36e0e5fbf0b75dbbbd327ad2f6a62992f9262 | 1 | static void formant_postfilter(G723_1_Context *p, int16_t *lpc, int16_t *buf)
{
int16_t filter_coef[2][LPC_ORDER], *buf_ptr;
int filter_signal[LPC_ORDER + FRAME_LEN], *signal_ptr;
int i, j, k;
memcpy(buf, p->fir_mem, LPC_ORDER * sizeof(*buf));
memcpy(filter_signal, p->iir_mem, LPC_ORDER * sizeof(*filter_signal));
for (i = LPC_ORDER, j = 0; j < SUBFRAMES; i += SUBFRAME_LEN, j++) {
for (k = 0; k < LPC_ORDER; k++) {
filter_coef[0][k] = (-lpc[k] * postfilter_tbl[0][k] +
(1 << 14)) >> 15;
filter_coef[1][k] = (-lpc[k] * postfilter_tbl[1][k] +
(1 << 14)) >> 15;
}
iir_filter(filter_coef[0], filter_coef[1], buf + i,
filter_signal + i);
lpc += LPC_ORDER;
}
memcpy(p->fir_mem, buf + FRAME_LEN, LPC_ORDER * sizeof(*p->fir_mem));
memcpy(p->iir_mem, filter_signal + FRAME_LEN,
LPC_ORDER * sizeof(*p->iir_mem));
buf_ptr = buf + LPC_ORDER;
signal_ptr = filter_signal + LPC_ORDER;
for (i = 0; i < SUBFRAMES; i++) {
int16_t temp_vector[SUBFRAME_LEN];
int temp;
int auto_corr[2];
int scale, energy;
/* Normalize */
memcpy(temp_vector, buf_ptr, SUBFRAME_LEN * sizeof(*temp_vector));
scale = scale_vector(temp_vector, SUBFRAME_LEN);
/* Compute auto correlation coefficients */
auto_corr[0] = dot_product(temp_vector, temp_vector + 1,
SUBFRAME_LEN - 1, 1);
auto_corr[1] = dot_product(temp_vector, temp_vector, SUBFRAME_LEN, 1);
/* Compute reflection coefficient */
temp = auto_corr[1] >> 16;
if (temp) {
temp = (auto_corr[0] >> 2) / temp;
}
p->reflection_coef = (3 * p->reflection_coef + temp + 2) >> 2;
temp = -p->reflection_coef >> 1 & ~3;
/* Compensation filter */
for (j = 0; j < SUBFRAME_LEN; j++) {
buf_ptr[j] = av_clipl_int32(signal_ptr[j] +
((signal_ptr[j - 1] >> 16) *
temp << 1)) >> 16;
}
/* Compute normalized signal energy */
temp = 2 * scale + 4;
if (temp < 0) {
energy = av_clipl_int32((int64_t)auto_corr[1] << -temp);
} else
energy = auto_corr[1] >> temp;
gain_scale(p, buf_ptr, energy);
buf_ptr += SUBFRAME_LEN;
signal_ptr += SUBFRAME_LEN;
}
}
| 24,110 |
FFmpeg | 211ca69b13eb0a127a9ef7e70ddaccdab125d1c5 | 1 | int attribute_align_arg avresample_convert(AVAudioResampleContext *avr,
uint8_t **output, int out_plane_size,
int out_samples, uint8_t **input,
int in_plane_size, int in_samples)
{
AudioData input_buffer;
AudioData output_buffer;
AudioData *current_buffer;
int ret, direct_output;
/* reset internal buffers */
if (avr->in_buffer) {
avr->in_buffer->nb_samples = 0;
ff_audio_data_set_channels(avr->in_buffer,
avr->in_buffer->allocated_channels);
}
if (avr->resample_out_buffer) {
avr->resample_out_buffer->nb_samples = 0;
ff_audio_data_set_channels(avr->resample_out_buffer,
avr->resample_out_buffer->allocated_channels);
}
if (avr->out_buffer) {
avr->out_buffer->nb_samples = 0;
ff_audio_data_set_channels(avr->out_buffer,
avr->out_buffer->allocated_channels);
}
av_dlog(avr, "[start conversion]\n");
/* initialize output_buffer with output data */
direct_output = output && av_audio_fifo_size(avr->out_fifo) == 0;
if (output) {
ret = ff_audio_data_init(&output_buffer, output, out_plane_size,
avr->out_channels, out_samples,
avr->out_sample_fmt, 0, "output");
if (ret < 0)
return ret;
output_buffer.nb_samples = 0;
}
if (input) {
/* initialize input_buffer with input data */
ret = ff_audio_data_init(&input_buffer, input, in_plane_size,
avr->in_channels, in_samples,
avr->in_sample_fmt, 1, "input");
if (ret < 0)
return ret;
current_buffer = &input_buffer;
if (avr->upmix_needed && !avr->in_convert_needed && !avr->resample_needed &&
!avr->out_convert_needed && direct_output && out_samples >= in_samples) {
/* in some rare cases we can copy input to output and upmix
directly in the output buffer */
av_dlog(avr, "[copy] %s to output\n", current_buffer->name);
ret = ff_audio_data_copy(&output_buffer, current_buffer,
avr->remap_point == REMAP_OUT_COPY ?
&avr->ch_map_info : NULL);
if (ret < 0)
return ret;
current_buffer = &output_buffer;
} else if (avr->remap_point == REMAP_OUT_COPY &&
(!direct_output || out_samples < in_samples)) {
/* if remapping channels during output copy, we may need to
* use an intermediate buffer in order to remap before adding
* samples to the output fifo */
av_dlog(avr, "[copy] %s to out_buffer\n", current_buffer->name);
ret = ff_audio_data_copy(avr->out_buffer, current_buffer,
&avr->ch_map_info);
if (ret < 0)
return ret;
current_buffer = avr->out_buffer;
} else if (avr->in_copy_needed || avr->in_convert_needed) {
/* if needed, copy or convert input to in_buffer, and downmix if
applicable */
if (avr->in_convert_needed) {
ret = ff_audio_data_realloc(avr->in_buffer,
current_buffer->nb_samples);
if (ret < 0)
return ret;
av_dlog(avr, "[convert] %s to in_buffer\n", current_buffer->name);
ret = ff_audio_convert(avr->ac_in, avr->in_buffer,
current_buffer);
if (ret < 0)
return ret;
} else {
av_dlog(avr, "[copy] %s to in_buffer\n", current_buffer->name);
ret = ff_audio_data_copy(avr->in_buffer, current_buffer,
avr->remap_point == REMAP_IN_COPY ?
&avr->ch_map_info : NULL);
if (ret < 0)
return ret;
}
ff_audio_data_set_channels(avr->in_buffer, avr->in_channels);
if (avr->downmix_needed) {
av_dlog(avr, "[downmix] in_buffer\n");
ret = ff_audio_mix(avr->am, avr->in_buffer);
if (ret < 0)
return ret;
}
current_buffer = avr->in_buffer;
}
} else {
/* flush resampling buffer and/or output FIFO if input is NULL */
if (!avr->resample_needed)
return handle_buffered_output(avr, output ? &output_buffer : NULL,
NULL);
current_buffer = NULL;
}
if (avr->resample_needed) {
AudioData *resample_out;
if (!avr->out_convert_needed && direct_output && out_samples > 0)
resample_out = &output_buffer;
else
resample_out = avr->resample_out_buffer;
av_dlog(avr, "[resample] %s to %s\n", current_buffer->name,
resample_out->name);
ret = ff_audio_resample(avr->resample, resample_out,
current_buffer);
if (ret < 0)
return ret;
/* if resampling did not produce any samples, just return 0 */
if (resample_out->nb_samples == 0) {
av_dlog(avr, "[end conversion]\n");
return 0;
}
current_buffer = resample_out;
}
if (avr->upmix_needed) {
av_dlog(avr, "[upmix] %s\n", current_buffer->name);
ret = ff_audio_mix(avr->am, current_buffer);
if (ret < 0)
return ret;
}
/* if we resampled or upmixed directly to output, return here */
if (current_buffer == &output_buffer) {
av_dlog(avr, "[end conversion]\n");
return current_buffer->nb_samples;
}
if (avr->out_convert_needed) {
if (direct_output && out_samples >= current_buffer->nb_samples) {
/* convert directly to output */
av_dlog(avr, "[convert] %s to output\n", current_buffer->name);
ret = ff_audio_convert(avr->ac_out, &output_buffer, current_buffer);
if (ret < 0)
return ret;
av_dlog(avr, "[end conversion]\n");
return output_buffer.nb_samples;
} else {
ret = ff_audio_data_realloc(avr->out_buffer,
current_buffer->nb_samples);
if (ret < 0)
return ret;
av_dlog(avr, "[convert] %s to out_buffer\n", current_buffer->name);
ret = ff_audio_convert(avr->ac_out, avr->out_buffer,
current_buffer);
if (ret < 0)
return ret;
current_buffer = avr->out_buffer;
}
}
return handle_buffered_output(avr, output ? &output_buffer : NULL,
current_buffer);
}
| 24,111 |
FFmpeg | 568e18b15e2ddf494fd8926707d34ca08c8edce5 | 1 | static int ogg_read_header(AVFormatContext *avfcontext, AVFormatParameters *ap)
{
OggContext *context = avfcontext->priv_data;
ogg_packet op ;
char *buf ;
ogg_page og ;
AVStream *ast ;
AVCodecContext *codec;
uint8_t *p;
int i;
ogg_sync_init(&context->oy) ;
buf = ogg_sync_buffer(&context->oy, DECODER_BUFFER_SIZE) ;
if(get_buffer(&avfcontext->pb, buf, DECODER_BUFFER_SIZE) <= 0)
return AVERROR_IO ;
ogg_sync_wrote(&context->oy, DECODER_BUFFER_SIZE) ;
ogg_sync_pageout(&context->oy, &og) ;
ogg_stream_init(&context->os, ogg_page_serialno(&og)) ;
ogg_stream_pagein(&context->os, &og) ;
/* currently only one vorbis stream supported */
ast = av_new_stream(avfcontext, 0) ;
if(!ast)
return AVERROR_NOMEM ;
av_set_pts_info(ast, 60, 1, AV_TIME_BASE);
codec= &ast->codec;
codec->codec_type = CODEC_TYPE_AUDIO;
codec->codec_id = CODEC_ID_VORBIS;
for(i=0; i<3; i++){
if(next_packet(avfcontext, &op)){
}
codec->extradata_size+= 2 + op.bytes;
codec->extradata= av_realloc(codec->extradata, codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
p= codec->extradata + codec->extradata_size - 2 - op.bytes;
*(p++)= op.bytes>>8;
*(p++)= op.bytes&0xFF;
memcpy(p, op.packet, op.bytes);
}
return 0 ;
} | 24,112 |
qemu | 27bfd83c336283d1f7a5345ee386c4cd7b80db61 | 1 | static inline int tcg_temp_new_internal(TCGType type, int temp_local)
{
TCGContext *s = &tcg_ctx;
TCGTemp *ts;
int idx, k;
k = type;
if (temp_local)
k += TCG_TYPE_COUNT;
idx = s->first_free_temp[k];
if (idx != -1) {
/* There is already an available temp with the
right type */
ts = &s->temps[idx];
s->first_free_temp[k] = ts->next_free_temp;
ts->temp_allocated = 1;
assert(ts->temp_local == temp_local);
} else {
idx = s->nb_temps;
#if TCG_TARGET_REG_BITS == 32
if (type == TCG_TYPE_I64) {
tcg_temp_alloc(s, s->nb_temps + 2);
ts = &s->temps[s->nb_temps];
ts->base_type = type;
ts->type = TCG_TYPE_I32;
ts->temp_allocated = 1;
ts->temp_local = temp_local;
ts->name = NULL;
ts++;
ts->base_type = TCG_TYPE_I32;
ts->type = TCG_TYPE_I32;
ts->temp_allocated = 1;
ts->temp_local = temp_local;
ts->name = NULL;
s->nb_temps += 2;
} else
{
tcg_temp_alloc(s, s->nb_temps + 1);
ts = &s->temps[s->nb_temps];
ts->base_type = type;
ts->type = type;
ts->temp_allocated = 1;
ts->temp_local = temp_local;
ts->name = NULL;
s->nb_temps++;
}
}
return idx;
} | 24,113 |
FFmpeg | 6e913f212907048d7009cf2f15551781c69b9985 | 1 | static int vp56_size_changed(VP56Context *s)
{
AVCodecContext *avctx = s->avctx;
int stride = s->frames[VP56_FRAME_CURRENT]->linesize[0];
int i;
s->plane_width[0] = s->plane_width[3] = avctx->coded_width;
s->plane_width[1] = s->plane_width[2] = avctx->coded_width/2;
s->plane_height[0] = s->plane_height[3] = avctx->coded_height;
s->plane_height[1] = s->plane_height[2] = avctx->coded_height/2;
for (i=0; i<4; i++)
s->stride[i] = s->flip * s->frames[VP56_FRAME_CURRENT]->linesize[i];
s->mb_width = (avctx->coded_width +15) / 16;
s->mb_height = (avctx->coded_height+15) / 16;
if (s->mb_width > 1000 || s->mb_height > 1000) {
ff_set_dimensions(avctx, 0, 0);
av_log(avctx, AV_LOG_ERROR, "picture too big\n");
return AVERROR_INVALIDDATA;
}
av_reallocp_array(&s->above_blocks, 4*s->mb_width+6,
sizeof(*s->above_blocks));
av_reallocp_array(&s->macroblocks, s->mb_width*s->mb_height,
sizeof(*s->macroblocks));
av_free(s->edge_emu_buffer_alloc);
s->edge_emu_buffer_alloc = av_malloc(16*stride);
s->edge_emu_buffer = s->edge_emu_buffer_alloc;
if (!s->above_blocks || !s->macroblocks || !s->edge_emu_buffer_alloc)
return AVERROR(ENOMEM);
if (s->flip < 0)
s->edge_emu_buffer += 15 * stride;
if (s->alpha_context)
return vp56_size_changed(s->alpha_context);
return 0;
} | 24,115 |
FFmpeg | b0b2faa70995caf710bf49c7c6eb6dc502a67672 | 1 | static void rtsp_cmd_teardown(HTTPContext *c, const char *url, RTSPHeader *h)
{
HTTPContext *rtp_c;
rtp_c = find_rtp_session_with_url(url, h->session_id);
if (!rtp_c) {
rtsp_reply_error(c, RTSP_STATUS_SESSION);
return;
}
/* abort the session */
close_connection(rtp_c);
/* now everything is OK, so we can send the connection parameters */
rtsp_reply_header(c, RTSP_STATUS_OK);
/* session ID */
url_fprintf(c->pb, "Session: %s\r\n", rtp_c->session_id);
url_fprintf(c->pb, "\r\n");
}
| 24,116 |
qemu | 2d528d45ecf5ee3c1a566a9f3d664464925ef830 | 1 | static CharDriverState *qemu_chr_open_win_path(const char *filename)
{
CharDriverState *chr;
WinCharState *s;
chr = qemu_chr_alloc();
s = g_malloc0(sizeof(WinCharState));
chr->opaque = s;
chr->chr_write = win_chr_write;
chr->chr_close = win_chr_close;
if (win_chr_init(chr, filename) < 0) {
g_free(s);
g_free(chr);
return NULL;
}
return chr;
}
| 24,118 |
FFmpeg | 8cc72ce5a0d8ab6bc88d28cf55cd62674240121d | 1 | static av_cold int twin_decode_init(AVCodecContext *avctx)
{
int ret;
TwinContext *tctx = avctx->priv_data;
int isampf, ibps;
tctx->avctx = avctx;
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
if (!avctx->extradata || avctx->extradata_size < 12) {
av_log(avctx, AV_LOG_ERROR, "Missing or incomplete extradata\n");
return AVERROR_INVALIDDATA;
}
avctx->channels = AV_RB32(avctx->extradata ) + 1;
avctx->bit_rate = AV_RB32(avctx->extradata + 4) * 1000;
isampf = AV_RB32(avctx->extradata + 8);
switch (isampf) {
case 44: avctx->sample_rate = 44100; break;
case 22: avctx->sample_rate = 22050; break;
case 11: avctx->sample_rate = 11025; break;
default: avctx->sample_rate = isampf * 1000; break;
}
if (avctx->channels > CHANNELS_MAX) {
av_log(avctx, AV_LOG_ERROR, "Unsupported number of channels: %i\n",
avctx->channels);
return -1;
}
ibps = avctx->bit_rate / (1000 * avctx->channels);
switch ((isampf << 8) + ibps) {
case (8 <<8) + 8: tctx->mtab = &mode_08_08; break;
case (11<<8) + 8: tctx->mtab = &mode_11_08; break;
case (11<<8) + 10: tctx->mtab = &mode_11_10; break;
case (16<<8) + 16: tctx->mtab = &mode_16_16; break;
case (22<<8) + 20: tctx->mtab = &mode_22_20; break;
case (22<<8) + 24: tctx->mtab = &mode_22_24; break;
case (22<<8) + 32: tctx->mtab = &mode_22_32; break;
case (44<<8) + 40: tctx->mtab = &mode_44_40; break;
case (44<<8) + 48: tctx->mtab = &mode_44_48; break;
default:
av_log(avctx, AV_LOG_ERROR, "This version does not support %d kHz - %d kbit/s/ch mode.\n", isampf, isampf);
return -1;
}
ff_dsputil_init(&tctx->dsp, avctx);
avpriv_float_dsp_init(&tctx->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
if ((ret = init_mdct_win(tctx))) {
av_log(avctx, AV_LOG_ERROR, "Error initializing MDCT\n");
twin_decode_close(avctx);
return ret;
}
init_bitstream_params(tctx);
memset_float(tctx->bark_hist[0][0], 0.1, FF_ARRAY_ELEMS(tctx->bark_hist));
avcodec_get_frame_defaults(&tctx->frame);
avctx->coded_frame = &tctx->frame;
return 0;
}
| 24,119 |
FFmpeg | bdddcb7b030d075dffa2989222d687106c06d50c | 1 | static int mov_read_sidx(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
int64_t offset = avio_tell(pb) + atom.size, pts, timestamp;
uint8_t version;
unsigned i, j, track_id, item_count;
AVStream *st = NULL;
AVStream *ref_st = NULL;
MOVStreamContext *sc, *ref_sc = NULL;
AVRational timescale;
version = avio_r8(pb);
if (version > 1) {
avpriv_request_sample(c->fc, "sidx version %u", version);
return 0;
}
avio_rb24(pb); // flags
track_id = avio_rb32(pb); // Reference ID
for (i = 0; i < c->fc->nb_streams; i++) {
if (c->fc->streams[i]->id == track_id) {
st = c->fc->streams[i];
break;
}
}
if (!st) {
av_log(c->fc, AV_LOG_WARNING, "could not find corresponding track id %d\n", track_id);
return 0;
}
sc = st->priv_data;
timescale = av_make_q(1, avio_rb32(pb));
if (timescale.den <= 0) {
av_log(c->fc, AV_LOG_ERROR, "Invalid sidx timescale 1/%d\n", timescale.den);
return AVERROR_INVALIDDATA;
}
if (version == 0) {
pts = avio_rb32(pb);
offset += avio_rb32(pb);
} else {
pts = avio_rb64(pb);
offset += avio_rb64(pb);
}
avio_rb16(pb); // reserved
item_count = avio_rb16(pb);
for (i = 0; i < item_count; i++) {
int index;
MOVFragmentStreamInfo * frag_stream_info;
uint32_t size = avio_rb32(pb);
uint32_t duration = avio_rb32(pb);
if (size & 0x80000000) {
avpriv_request_sample(c->fc, "sidx reference_type 1");
return AVERROR_PATCHWELCOME;
}
avio_rb32(pb); // sap_flags
timestamp = av_rescale_q(pts, st->time_base, timescale);
index = update_frag_index(c, offset);
frag_stream_info = get_frag_stream_info(&c->frag_index, index, track_id);
if (frag_stream_info)
frag_stream_info->sidx_pts = timestamp;
offset += size;
pts += duration;
}
st->duration = sc->track_end = pts;
sc->has_sidx = 1;
if (offset == avio_size(pb)) {
// Find first entry in fragment index that came from an sidx.
// This will pretty much always be the first entry.
for (i = 0; i < c->frag_index.nb_items; i++) {
MOVFragmentIndexItem * item = &c->frag_index.item[i];
for (j = 0; ref_st == NULL && j < item->nb_stream_info; j++) {
MOVFragmentStreamInfo * si;
si = &item->stream_info[j];
if (si->sidx_pts != AV_NOPTS_VALUE) {
ref_st = c->fc->streams[i];
ref_sc = ref_st->priv_data;
break;
}
}
}
for (i = 0; i < c->fc->nb_streams; i++) {
st = c->fc->streams[i];
sc = st->priv_data;
if (!sc->has_sidx) {
st->duration = sc->track_end = av_rescale(ref_st->duration, sc->time_scale, ref_sc->time_scale);
}
}
c->frag_index.complete = 1;
}
return 0;
}
| 24,120 |
qemu | 4482e05cbbb7e50e476f6a9500cf0b38913bd939 | 1 | static void shix_init(MachineState *machine)
{
const char *cpu_model = machine->cpu_model;
int ret;
SuperHCPU *cpu;
struct SH7750State *s;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *rom = g_new(MemoryRegion, 1);
MemoryRegion *sdram = g_new(MemoryRegion, 2);
if (!cpu_model)
cpu_model = "any";
cpu = SUPERH_CPU(cpu_generic_init(TYPE_SUPERH_CPU, cpu_model));
if (cpu == NULL) {
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
/* Allocate memory space */
memory_region_init_ram(rom, NULL, "shix.rom", 0x4000, &error_fatal);
memory_region_set_readonly(rom, true);
memory_region_add_subregion(sysmem, 0x00000000, rom);
memory_region_init_ram(&sdram[0], NULL, "shix.sdram1", 0x01000000,
&error_fatal);
memory_region_add_subregion(sysmem, 0x08000000, &sdram[0]);
memory_region_init_ram(&sdram[1], NULL, "shix.sdram2", 0x01000000,
&error_fatal);
memory_region_add_subregion(sysmem, 0x0c000000, &sdram[1]);
/* Load BIOS in 0 (and access it through P2, 0xA0000000) */
if (bios_name == NULL)
bios_name = BIOS_FILENAME;
ret = load_image_targphys(bios_name, 0, 0x4000);
if (ret < 0 && !qtest_enabled()) {
error_report("Could not load SHIX bios '%s'", bios_name);
exit(1);
}
/* Register peripherals */
s = sh7750_init(cpu, sysmem);
/* XXXXX Check success */
tc58128_init(s, "shix_linux_nand.bin", NULL);
}
| 24,121 |
qemu | d9bce9d99f4656ae0b0127f7472db9067b8f84ab | 1 | static inline void gen_addr_imm_index (DisasContext *ctx)
{
target_long simm = SIMM(ctx->opcode);
if (rA(ctx->opcode) == 0) {
gen_op_set_T0(simm);
} else {
gen_op_load_gpr_T0(rA(ctx->opcode));
if (likely(simm != 0))
gen_op_addi(simm);
}
}
| 24,122 |
qemu | f3a06403b82c7f036564e4caf18b52ce6885fcfb | 1 | void qmp_guest_suspend_ram(Error **errp)
{
Error *local_err = NULL;
GuestSuspendMode *mode = g_malloc(sizeof(GuestSuspendMode));
*mode = GUEST_SUSPEND_MODE_RAM;
check_suspend_mode(*mode, &local_err);
acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
execute_async(do_suspend, mode, &local_err);
if (local_err) {
error_propagate(errp, local_err);
g_free(mode);
}
}
| 24,124 |
FFmpeg | 933aa91e31d5cbf9dbc0cf416a988e6011bc4a40 | 1 | void ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts)
{
if (ctb_addr_ts == s->ps.pps->ctb_addr_rs_to_ts[s->sh.slice_ctb_addr_rs]) {
cabac_init_decoder(s);
if (s->sh.dependent_slice_segment_flag == 0 ||
(s->ps.pps->tiles_enabled_flag &&
s->ps.pps->tile_id[ctb_addr_ts] != s->ps.pps->tile_id[ctb_addr_ts - 1]))
cabac_init_state(s);
if (!s->sh.first_slice_in_pic_flag &&
s->ps.pps->entropy_coding_sync_enabled_flag) {
if (ctb_addr_ts % s->ps.sps->ctb_width == 0) {
if (s->ps.sps->ctb_width == 1)
cabac_init_state(s);
else if (s->sh.dependent_slice_segment_flag == 1)
load_states(s);
}
}
} else {
if (s->ps.pps->tiles_enabled_flag &&
s->ps.pps->tile_id[ctb_addr_ts] != s->ps.pps->tile_id[ctb_addr_ts - 1]) {
if (s->threads_number == 1)
cabac_reinit(s->HEVClc);
else
cabac_init_decoder(s);
cabac_init_state(s);
}
if (s->ps.pps->entropy_coding_sync_enabled_flag) {
if (ctb_addr_ts % s->ps.sps->ctb_width == 0) {
get_cabac_terminate(&s->HEVClc->cc);
if (s->threads_number == 1)
cabac_reinit(s->HEVClc);
else
cabac_init_decoder(s);
if (s->ps.sps->ctb_width == 1)
cabac_init_state(s);
else
load_states(s);
}
}
}
}
| 24,125 |
qemu | b946a1533209f61a93e34898aebb5b43154b99c3 | 1 | void lance_init(NICInfo *nd, target_phys_addr_t leaddr, void *dma_opaque,
qemu_irq irq, qemu_irq *reset)
{
PCNetState *d;
int lance_io_memory;
qemu_check_nic_model(nd, "lance");
d = qemu_mallocz(sizeof(PCNetState));
lance_io_memory =
cpu_register_io_memory(0, lance_mem_read, lance_mem_write, d);
d->dma_opaque = dma_opaque;
*reset = *qemu_allocate_irqs(parent_lance_reset, d, 1);
cpu_register_physical_memory(leaddr, 4, lance_io_memory);
d->irq = irq;
d->phys_mem_read = ledma_memory_read;
d->phys_mem_write = ledma_memory_write;
pcnet_common_init(d, nd);
}
| 24,126 |
qemu | 7372c2b926200db295412efbb53f93773b7f1754 | 1 | static inline TCGv gen_load(DisasContext * s, int opsize, TCGv addr, int sign)
{
TCGv tmp;
int index = IS_USER(s);
s->is_mem = 1;
tmp = tcg_temp_new_i32();
switch(opsize) {
case OS_BYTE:
if (sign)
tcg_gen_qemu_ld8s(tmp, addr, index);
else
tcg_gen_qemu_ld8u(tmp, addr, index);
break;
case OS_WORD:
if (sign)
tcg_gen_qemu_ld16s(tmp, addr, index);
else
tcg_gen_qemu_ld16u(tmp, addr, index);
break;
case OS_LONG:
case OS_SINGLE:
tcg_gen_qemu_ld32u(tmp, addr, index);
break;
default:
qemu_assert(0, "bad load size");
}
gen_throws_exception = gen_last_qop;
return tmp;
}
| 24,127 |
FFmpeg | f13e733145132e39056027229ff954a798f58410 | 1 | int ff_snow_frame_start(SnowContext *s){
AVFrame tmp;
int i, ret;
int w= s->avctx->width; //FIXME round up to x16 ?
int h= s->avctx->height;
if (s->current_picture.data[0] && !(s->avctx->flags&CODEC_FLAG_EMU_EDGE)) {
s->dsp.draw_edges(s->current_picture.data[0],
s->current_picture.linesize[0], w , h ,
EDGE_WIDTH , EDGE_WIDTH , EDGE_TOP | EDGE_BOTTOM);
s->dsp.draw_edges(s->current_picture.data[1],
s->current_picture.linesize[1], w>>s->chroma_h_shift, h>>s->chroma_v_shift,
EDGE_WIDTH>>s->chroma_h_shift, EDGE_WIDTH>>s->chroma_v_shift, EDGE_TOP | EDGE_BOTTOM);
s->dsp.draw_edges(s->current_picture.data[2],
s->current_picture.linesize[2], w>>s->chroma_h_shift, h>>s->chroma_v_shift,
EDGE_WIDTH>>s->chroma_h_shift, EDGE_WIDTH>>s->chroma_v_shift, EDGE_TOP | EDGE_BOTTOM);
}
ff_snow_release_buffer(s->avctx);
av_frame_move_ref(&tmp, &s->last_picture[s->max_ref_frames-1]);
for(i=s->max_ref_frames-1; i>0; i--)
av_frame_move_ref(&s->last_picture[i], &s->last_picture[i-1]);
memmove(s->halfpel_plane+1, s->halfpel_plane, (s->max_ref_frames-1)*sizeof(void*)*4*4);
if(USE_HALFPEL_PLANE && s->current_picture.data[0])
halfpel_interpol(s, s->halfpel_plane[0], &s->current_picture);
av_frame_move_ref(&s->last_picture[0], &s->current_picture);
av_frame_move_ref(&s->current_picture, &tmp);
if(s->keyframe){
s->ref_frames= 0;
}else{
int i;
for(i=0; i<s->max_ref_frames && s->last_picture[i].data[0]; i++)
if(i && s->last_picture[i-1].key_frame)
break;
s->ref_frames= i;
if(s->ref_frames==0){
av_log(s->avctx,AV_LOG_ERROR, "No reference frames\n");
return -1;
}
}
if ((ret = ff_get_buffer(s->avctx, &s->current_picture, AV_GET_BUFFER_FLAG_REF)) < 0)
return ret;
s->current_picture.key_frame= s->keyframe;
return 0;
}
| 24,128 |
FFmpeg | 09096fb68713089a8f97c8fa24e9d7f3bb9231d5 | 1 | static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
const H2645NAL *nal)
{
const SPS *sps;
const PPS *pps;
int ret;
unsigned int slice_type, tmp, i;
int field_pic_flag, bottom_field_flag;
int first_slice = sl == h->slice_ctx && !h->current_slice;
int picture_structure;
if (first_slice)
av_assert0(!h->setup_finished);
sl->first_mb_addr = get_ue_golomb_long(&sl->gb);
slice_type = get_ue_golomb_31(&sl->gb);
if (slice_type > 9) {
av_log(h->avctx, AV_LOG_ERROR,
"slice type %d too large at %d\n",
slice_type, sl->first_mb_addr);
return AVERROR_INVALIDDATA;
}
if (slice_type > 4) {
slice_type -= 5;
sl->slice_type_fixed = 1;
} else
sl->slice_type_fixed = 0;
slice_type = ff_h264_golomb_to_pict_type[slice_type];
sl->slice_type = slice_type;
sl->slice_type_nos = slice_type & 3;
if (nal->type == H264_NAL_IDR_SLICE &&
sl->slice_type_nos != AV_PICTURE_TYPE_I) {
av_log(h->avctx, AV_LOG_ERROR, "A non-intra slice in an IDR NAL unit.\n");
return AVERROR_INVALIDDATA;
}
sl->pps_id = get_ue_golomb(&sl->gb);
if (sl->pps_id >= MAX_PPS_COUNT) {
av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\n", sl->pps_id);
return AVERROR_INVALIDDATA;
}
if (!h->ps.pps_list[sl->pps_id]) {
av_log(h->avctx, AV_LOG_ERROR,
"non-existing PPS %u referenced\n",
sl->pps_id);
return AVERROR_INVALIDDATA;
}
pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
if (!h->ps.sps_list[pps->sps_id]) {
av_log(h->avctx, AV_LOG_ERROR,
"non-existing SPS %u referenced\n", pps->sps_id);
return AVERROR_INVALIDDATA;
}
sps = (const SPS*)h->ps.sps_list[pps->sps_id]->data;
sl->frame_num = get_bits(&sl->gb, sps->log2_max_frame_num);
if (!first_slice) {
if (h->poc.frame_num != sl->frame_num) {
av_log(h->avctx, AV_LOG_ERROR, "Frame num change from %d to %d\n",
h->poc.frame_num, sl->frame_num);
return AVERROR_INVALIDDATA;
}
}
sl->mb_mbaff = 0;
if (sps->frame_mbs_only_flag) {
picture_structure = PICT_FRAME;
} else {
if (!sps->direct_8x8_inference_flag && slice_type == AV_PICTURE_TYPE_B) {
av_log(h->avctx, AV_LOG_ERROR, "This stream was generated by a broken encoder, invalid 8x8 inference\n");
return -1;
}
field_pic_flag = get_bits1(&sl->gb);
if (field_pic_flag) {
bottom_field_flag = get_bits1(&sl->gb);
picture_structure = PICT_TOP_FIELD + bottom_field_flag;
} else {
picture_structure = PICT_FRAME;
}
}
sl->picture_structure = picture_structure;
sl->mb_field_decoding_flag = picture_structure != PICT_FRAME;
if (picture_structure == PICT_FRAME) {
sl->curr_pic_num = sl->frame_num;
sl->max_pic_num = 1 << sps->log2_max_frame_num;
} else {
sl->curr_pic_num = 2 * sl->frame_num + 1;
sl->max_pic_num = 1 << (sps->log2_max_frame_num + 1);
}
if (nal->type == H264_NAL_IDR_SLICE)
get_ue_golomb_long(&sl->gb); /* idr_pic_id */
if (sps->poc_type == 0) {
sl->poc_lsb = get_bits(&sl->gb, sps->log2_max_poc_lsb);
if (pps->pic_order_present == 1 && picture_structure == PICT_FRAME)
sl->delta_poc_bottom = get_se_golomb(&sl->gb);
}
if (sps->poc_type == 1 && !sps->delta_pic_order_always_zero_flag) {
sl->delta_poc[0] = get_se_golomb(&sl->gb);
if (pps->pic_order_present == 1 && picture_structure == PICT_FRAME)
sl->delta_poc[1] = get_se_golomb(&sl->gb);
}
sl->redundant_pic_count = 0;
if (pps->redundant_pic_cnt_present)
sl->redundant_pic_count = get_ue_golomb(&sl->gb);
if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
sl->direct_spatial_mv_pred = get_bits1(&sl->gb);
ret = ff_h264_parse_ref_count(&sl->list_count, sl->ref_count,
&sl->gb, pps, sl->slice_type_nos,
picture_structure, h->avctx);
if (ret < 0)
return ret;
if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
ret = ff_h264_decode_ref_pic_list_reordering(sl, h->avctx);
if (ret < 0) {
sl->ref_count[1] = sl->ref_count[0] = 0;
return ret;
}
}
sl->pwt.use_weight = 0;
for (i = 0; i < 2; i++) {
sl->pwt.luma_weight_flag[i] = 0;
sl->pwt.chroma_weight_flag[i] = 0;
}
if ((pps->weighted_pred && sl->slice_type_nos == AV_PICTURE_TYPE_P) ||
(pps->weighted_bipred_idc == 1 &&
sl->slice_type_nos == AV_PICTURE_TYPE_B)) {
ret = ff_h264_pred_weight_table(&sl->gb, sps, sl->ref_count,
sl->slice_type_nos, &sl->pwt, h->avctx);
if (ret < 0)
return ret;
}
sl->explicit_ref_marking = 0;
if (nal->ref_idc) {
ret = ff_h264_decode_ref_pic_marking(sl, &sl->gb, nal, h->avctx);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
return AVERROR_INVALIDDATA;
}
if (sl->slice_type_nos != AV_PICTURE_TYPE_I && pps->cabac) {
tmp = get_ue_golomb_31(&sl->gb);
if (tmp > 2) {
av_log(h->avctx, AV_LOG_ERROR, "cabac_init_idc %u overflow\n", tmp);
return AVERROR_INVALIDDATA;
}
sl->cabac_init_idc = tmp;
}
sl->last_qscale_diff = 0;
tmp = pps->init_qp + get_se_golomb(&sl->gb);
if (tmp > 51 + 6 * (sps->bit_depth_luma - 8)) {
av_log(h->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
return AVERROR_INVALIDDATA;
}
sl->qscale = tmp;
sl->chroma_qp[0] = get_chroma_qp(pps, 0, sl->qscale);
sl->chroma_qp[1] = get_chroma_qp(pps, 1, sl->qscale);
// FIXME qscale / qp ... stuff
if (sl->slice_type == AV_PICTURE_TYPE_SP)
get_bits1(&sl->gb); /* sp_for_switch_flag */
if (sl->slice_type == AV_PICTURE_TYPE_SP ||
sl->slice_type == AV_PICTURE_TYPE_SI)
get_se_golomb(&sl->gb); /* slice_qs_delta */
sl->deblocking_filter = 1;
sl->slice_alpha_c0_offset = 0;
sl->slice_beta_offset = 0;
if (pps->deblocking_filter_parameters_present) {
tmp = get_ue_golomb_31(&sl->gb);
if (tmp > 2) {
av_log(h->avctx, AV_LOG_ERROR,
"deblocking_filter_idc %u out of range\n", tmp);
return AVERROR_INVALIDDATA;
}
sl->deblocking_filter = tmp;
if (sl->deblocking_filter < 2)
sl->deblocking_filter ^= 1; // 1<->0
if (sl->deblocking_filter) {
sl->slice_alpha_c0_offset = get_se_golomb(&sl->gb) * 2;
sl->slice_beta_offset = get_se_golomb(&sl->gb) * 2;
if (sl->slice_alpha_c0_offset > 12 ||
sl->slice_alpha_c0_offset < -12 ||
sl->slice_beta_offset > 12 ||
sl->slice_beta_offset < -12) {
av_log(h->avctx, AV_LOG_ERROR,
"deblocking filter parameters %d %d out of range\n",
sl->slice_alpha_c0_offset, sl->slice_beta_offset);
return AVERROR_INVALIDDATA;
}
}
}
return 0;
}
| 24,129 |
FFmpeg | 009f829dde811af654af7110326aea3a72c05d5e | 1 | static inline void RENAME(yuv2rgb565_2)(SwsContext *c, const uint16_t *buf0,
const uint16_t *buf1, const uint16_t *ubuf0,
const uint16_t *ubuf1, const uint16_t *vbuf0,
const uint16_t *vbuf1, const uint16_t *abuf0,
const uint16_t *abuf1, uint8_t *dest,
int dstW, int yalpha, int uvalpha, int y)
{
x86_reg uv_off = c->uv_off << 1;
//Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
__asm__ volatile(
"mov %%"REG_b", "ESP_OFFSET"(%5) \n\t"
"mov %4, %%"REG_b" \n\t"
"push %%"REG_BP" \n\t"
YSCALEYUV2RGB(%%REGBP, %5, %6)
"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
WRITERGB16(%%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), "m"(uv_off)
);
}
| 24,130 |
qemu | 2034e324dabc55064553aaa07de1536ebf8ea497 | 1 | static int virtio_scsi_parse_req(VirtIOSCSIReq *req,
unsigned req_size, unsigned resp_size)
{
VirtIODevice *vdev = (VirtIODevice *) req->dev;
size_t in_size, out_size;
if (iov_to_buf(req->elem.out_sg, req->elem.out_num, 0,
&req->req, req_size) < req_size) {
return -EINVAL;
}
if (qemu_iovec_concat_iov(&req->resp_iov,
req->elem.in_sg, req->elem.in_num, 0,
resp_size) < resp_size) {
return -EINVAL;
}
req->resp_size = resp_size;
/* Old BIOSes left some padding by mistake after the req_size/resp_size.
* As a workaround, always consider the first buffer as the virtio-scsi
* request/response, making the payload start at the second element
* of the iovec.
*
* The actual length of the response header, stored in req->resp_size,
* does not change.
*
* TODO: always disable this workaround for virtio 1.0 devices.
*/
if (!virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) {
req_size = req->elem.out_sg[0].iov_len;
resp_size = req->elem.in_sg[0].iov_len;
}
out_size = qemu_sgl_concat(req, req->elem.out_sg,
&req->elem.out_addr[0], req->elem.out_num,
req_size);
in_size = qemu_sgl_concat(req, req->elem.in_sg,
&req->elem.in_addr[0], req->elem.in_num,
resp_size);
if (out_size && in_size) {
return -ENOTSUP;
}
if (out_size) {
req->mode = SCSI_XFER_TO_DEV;
} else if (in_size) {
req->mode = SCSI_XFER_FROM_DEV;
}
return 0;
}
| 24,131 |
FFmpeg | da048c6d24729d3bab6ccb0ac340ea129e3e88d5 | 1 | static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
AVFormatContext *s)
{
int i;
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size placeholder*/
ffio_wfourcc(pb, "moov");
for (i = 0; i < mov->nb_streams; i++) {
if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
continue;
mov->tracks[i].time = mov->time;
mov->tracks[i].track_id = i + 1;
if (mov->tracks[i].entry)
build_chunks(&mov->tracks[i]);
}
if (mov->chapter_track)
for (i = 0; i < s->nb_streams; i++) {
mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
}
for (i = 0; i < mov->nb_streams; i++) {
if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
mov->tracks[i].tref_id =
mov->tracks[mov->tracks[i].src_track].track_id;
}
}
for (i = 0; i < mov->nb_streams; i++) {
if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
int src_trk = mov->tracks[i].src_track;
mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
//src_trk may have a different timescale than the tmcd track
mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
mov->tracks[i].timescale,
mov->tracks[src_trk].timescale);
}
}
mov_write_mvhd_tag(pb, mov);
if (mov->mode != MODE_MOV && !mov->iods_skip)
mov_write_iods_tag(pb, mov);
for (i = 0; i < mov->nb_streams; i++) {
if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
}
}
if (mov->flags & FF_MOV_FLAG_FRAGMENT)
mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
if (mov->mode == MODE_PSP)
mov_write_uuidusmt_tag(pb, s);
else
mov_write_udta_tag(pb, mov, s);
return update_size(pb, pos);
}
| 24,132 |
qemu | 52c050236eaa4f0b5e1d160cd66dc18106445c4d | 1 | static void virtio_blk_handle_read(VirtIOBlockReq *req)
{
BlockDriverAIOCB *acb;
uint64_t sector;
sector = ldq_p(&req->out->sector);
if (sector & req->dev->sector_mask) {
acb = bdrv_aio_readv(req->dev->bs, sector, &req->qiov,
req->qiov.size / BDRV_SECTOR_SIZE,
virtio_blk_rw_complete, req);
if (!acb) {
| 24,133 |
FFmpeg | f78cd0c243b9149c7f604ecf1006d78e344aa6ca | 1 | void FUNC(ff_simple_idct_put)(uint8_t *dest_, int line_size, DCTELEM *block)
{
pixel *dest = (pixel *)dest_;
int i;
line_size /= sizeof(pixel);
for (i = 0; i < 8; i++)
FUNC(idctRowCondDC)(block + i*8);
for (i = 0; i < 8; i++)
FUNC(idctSparseColPut)(dest + i, line_size, block + i);
}
| 24,134 |
FFmpeg | 01ecb7172b684f1c4b3e748f95c5a9a494ca36ec | 1 | static void quantize_and_encode_band_cost_UPAIR7_mips(struct AACEncContext *s,
PutBitContext *pb, const float *in, float *out,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits, const float ROUNDING)
{
const float Q34 = ff_aac_pow34sf_tab[POW_SF2_ZERO - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
const float IQ = ff_aac_pow2sf_tab [POW_SF2_ZERO + scale_idx - SCALE_ONE_POS + SCALE_DIV_512];
int i;
int qc1, qc2, qc3, qc4;
uint8_t *p_bits = (uint8_t*) ff_aac_spectral_bits[cb-1];
uint16_t *p_codes = (uint16_t*)ff_aac_spectral_codes[cb-1];
float *p_vec = (float *)ff_aac_codebook_vectors[cb-1];
abs_pow34_v(s->scoefs, in, size);
scaled = s->scoefs;
for (i = 0; i < size; i += 4) {
int curidx1, curidx2, sign1, count1, sign2, count2;
int *in_int = (int *)&in[i];
uint8_t v_bits;
unsigned int v_codes;
int t0, t1, t2, t3, t4;
const float *vec1, *vec2;
qc1 = scaled[i ] * Q34 + ROUND_STANDARD;
qc2 = scaled[i+1] * Q34 + ROUND_STANDARD;
qc3 = scaled[i+2] * Q34 + ROUND_STANDARD;
qc4 = scaled[i+3] * Q34 + ROUND_STANDARD;
__asm__ volatile (
".set push \n\t"
".set noreorder \n\t"
"ori %[t4], $zero, 7 \n\t"
"ori %[sign1], $zero, 0 \n\t"
"ori %[sign2], $zero, 0 \n\t"
"slt %[t0], %[t4], %[qc1] \n\t"
"slt %[t1], %[t4], %[qc2] \n\t"
"slt %[t2], %[t4], %[qc3] \n\t"
"slt %[t3], %[t4], %[qc4] \n\t"
"movn %[qc1], %[t4], %[t0] \n\t"
"movn %[qc2], %[t4], %[t1] \n\t"
"movn %[qc3], %[t4], %[t2] \n\t"
"movn %[qc4], %[t4], %[t3] \n\t"
"lw %[t0], 0(%[in_int]) \n\t"
"lw %[t1], 4(%[in_int]) \n\t"
"lw %[t2], 8(%[in_int]) \n\t"
"lw %[t3], 12(%[in_int]) \n\t"
"slt %[t0], %[t0], $zero \n\t"
"movn %[sign1], %[t0], %[qc1] \n\t"
"slt %[t2], %[t2], $zero \n\t"
"movn %[sign2], %[t2], %[qc3] \n\t"
"slt %[t1], %[t1], $zero \n\t"
"sll %[t0], %[sign1], 1 \n\t"
"or %[t0], %[t0], %[t1] \n\t"
"movn %[sign1], %[t0], %[qc2] \n\t"
"slt %[t3], %[t3], $zero \n\t"
"sll %[t0], %[sign2], 1 \n\t"
"or %[t0], %[t0], %[t3] \n\t"
"movn %[sign2], %[t0], %[qc4] \n\t"
"slt %[count1], $zero, %[qc1] \n\t"
"slt %[t1], $zero, %[qc2] \n\t"
"slt %[count2], $zero, %[qc3] \n\t"
"slt %[t2], $zero, %[qc4] \n\t"
"addu %[count1], %[count1], %[t1] \n\t"
"addu %[count2], %[count2], %[t2] \n\t"
".set pop \n\t"
: [qc1]"+r"(qc1), [qc2]"+r"(qc2),
[qc3]"+r"(qc3), [qc4]"+r"(qc4),
[sign1]"=&r"(sign1), [count1]"=&r"(count1),
[sign2]"=&r"(sign2), [count2]"=&r"(count2),
[t0]"=&r"(t0), [t1]"=&r"(t1), [t2]"=&r"(t2), [t3]"=&r"(t3),
[t4]"=&r"(t4)
: [in_int]"r"(in_int)
: "t0", "t1", "t2", "t3", "t4",
"memory"
);
curidx1 = 8 * qc1;
curidx1 += qc2;
v_codes = (p_codes[curidx1] << count1) | sign1;
v_bits = p_bits[curidx1] + count1;
put_bits(pb, v_bits, v_codes);
curidx2 = 8 * qc3;
curidx2 += qc4;
v_codes = (p_codes[curidx2] << count2) | sign2;
v_bits = p_bits[curidx2] + count2;
put_bits(pb, v_bits, v_codes);
if (out) {
vec1 = &p_vec[curidx1*2];
vec2 = &p_vec[curidx2*2];
out[i+0] = copysignf(vec1[0] * IQ, in[i+0]);
out[i+1] = copysignf(vec1[1] * IQ, in[i+1]);
out[i+2] = copysignf(vec2[0] * IQ, in[i+2]);
out[i+3] = copysignf(vec2[1] * IQ, in[i+3]);
}
}
}
| 24,135 |
FFmpeg | f21c263c8979aa8a71c1c10909efb991679045c1 | 1 | static int rtmp_packet_read_one_chunk(URLContext *h, RTMPPacket *p,
int chunk_size, RTMPPacket **prev_pkt_ptr,
int *nb_prev_pkt, uint8_t hdr)
{
uint8_t buf[16];
int channel_id, timestamp, size;
uint32_t ts_field; // non-extended timestamp or delta field
uint32_t extra = 0;
enum RTMPPacketType type;
int written = 0;
int ret, toread;
RTMPPacket *prev_pkt;
written++;
channel_id = hdr & 0x3F;
if (channel_id < 2) { //special case for channel number >= 64
buf[1] = 0;
if (ffurl_read_complete(h, buf, channel_id + 1) != channel_id + 1)
return AVERROR(EIO);
written += channel_id + 1;
channel_id = AV_RL16(buf) + 64;
}
if ((ret = ff_rtmp_check_alloc_array(prev_pkt_ptr, nb_prev_pkt,
channel_id)) < 0)
return ret;
prev_pkt = *prev_pkt_ptr;
size = prev_pkt[channel_id].size;
type = prev_pkt[channel_id].type;
extra = prev_pkt[channel_id].extra;
hdr >>= 6; // header size indicator
if (hdr == RTMP_PS_ONEBYTE) {
ts_field = prev_pkt[channel_id].ts_field;
} else {
if (ffurl_read_complete(h, buf, 3) != 3)
return AVERROR(EIO);
written += 3;
ts_field = AV_RB24(buf);
if (hdr != RTMP_PS_FOURBYTES) {
if (ffurl_read_complete(h, buf, 3) != 3)
return AVERROR(EIO);
written += 3;
size = AV_RB24(buf);
if (ffurl_read_complete(h, buf, 1) != 1)
return AVERROR(EIO);
written++;
type = buf[0];
if (hdr == RTMP_PS_TWELVEBYTES) {
if (ffurl_read_complete(h, buf, 4) != 4)
return AVERROR(EIO);
written += 4;
extra = AV_RL32(buf);
}
}
}
if (ts_field == 0xFFFFFF) {
if (ffurl_read_complete(h, buf, 4) != 4)
return AVERROR(EIO);
timestamp = AV_RB32(buf);
} else {
timestamp = ts_field;
}
if (hdr != RTMP_PS_TWELVEBYTES)
timestamp += prev_pkt[channel_id].timestamp;
if (!prev_pkt[channel_id].read) {
if ((ret = ff_rtmp_packet_create(p, channel_id, type, timestamp,
size)) < 0)
return ret;
p->read = written;
p->offset = 0;
prev_pkt[channel_id].ts_field = ts_field;
prev_pkt[channel_id].timestamp = timestamp;
} else {
// previous packet in this channel hasn't completed reading
RTMPPacket *prev = &prev_pkt[channel_id];
p->data = prev->data;
p->size = prev->size;
p->channel_id = prev->channel_id;
p->type = prev->type;
p->ts_field = prev->ts_field;
p->extra = prev->extra;
p->offset = prev->offset;
p->read = prev->read + written;
p->timestamp = prev->timestamp;
prev->data = NULL;
}
p->extra = extra;
// save history
prev_pkt[channel_id].channel_id = channel_id;
prev_pkt[channel_id].type = type;
prev_pkt[channel_id].size = size;
prev_pkt[channel_id].extra = extra;
size = size - p->offset;
toread = FFMIN(size, chunk_size);
if (ffurl_read_complete(h, p->data + p->offset, toread) != toread) {
ff_rtmp_packet_destroy(p);
return AVERROR(EIO);
}
size -= toread;
p->read += toread;
p->offset += toread;
if (size > 0) {
RTMPPacket *prev = &prev_pkt[channel_id];
prev->data = p->data;
prev->read = p->read;
prev->offset = p->offset;
return AVERROR(EAGAIN);
}
prev_pkt[channel_id].read = 0; // read complete; reset if needed
return p->read;
} | 24,136 |
FFmpeg | 92002db3eb437414281ad4fb6e84e34862f7fc92 | 1 | int ff_h264_execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count)
{
int i, av_uninit(j);
int current_ref_assigned = 0, err = 0;
Picture *av_uninit(pic);
if ((h->avctx->debug & FF_DEBUG_MMCO) && mmco_count == 0)
av_log(h->avctx, AV_LOG_DEBUG, "no mmco here\n");
for (i = 0; i < mmco_count; i++) {
int av_uninit(structure), av_uninit(frame_num);
if (h->avctx->debug & FF_DEBUG_MMCO)
av_log(h->avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode,
h->mmco[i].short_pic_num, h->mmco[i].long_arg);
if (mmco[i].opcode == MMCO_SHORT2UNUSED ||
mmco[i].opcode == MMCO_SHORT2LONG) {
frame_num = pic_num_extract(h, mmco[i].short_pic_num, &structure);
pic = find_short(h, frame_num, &j);
if (!pic) {
if (mmco[i].opcode != MMCO_SHORT2LONG ||
!h->long_ref[mmco[i].long_arg] ||
h->long_ref[mmco[i].long_arg]->frame_num != frame_num) {
av_log(h->avctx, AV_LOG_ERROR, "mmco: unref short failure\n");
err = AVERROR_INVALIDDATA;
continue;
switch (mmco[i].opcode) {
case MMCO_SHORT2UNUSED:
if (h->avctx->debug & FF_DEBUG_MMCO)
av_log(h->avctx, AV_LOG_DEBUG, "mmco: unref short %d count %d\n",
h->mmco[i].short_pic_num, h->short_ref_count);
remove_short(h, frame_num, structure ^ PICT_FRAME);
break;
case MMCO_SHORT2LONG:
if (h->long_ref[mmco[i].long_arg] != pic)
remove_long(h, mmco[i].long_arg, 0);
remove_short_at_index(h, j);
h->long_ref[ mmco[i].long_arg ] = pic;
if (h->long_ref[mmco[i].long_arg]) {
h->long_ref[mmco[i].long_arg]->long_ref = 1;
h->long_ref_count++;
break;
case MMCO_LONG2UNUSED:
j = pic_num_extract(h, mmco[i].long_arg, &structure);
pic = h->long_ref[j];
if (pic) {
remove_long(h, j, structure ^ PICT_FRAME);
} else if (h->avctx->debug & FF_DEBUG_MMCO)
av_log(h->avctx, AV_LOG_DEBUG, "mmco: unref long failure\n");
break;
case MMCO_LONG:
// Comment below left from previous code as it is an interresting note.
/* First field in pair is in short term list or
* at a different long term index.
* This is not allowed; see 7.4.3.3, notes 2 and 3.
* Report the problem and keep the pair where it is,
* and mark this field valid.
*/
if (h->long_ref[mmco[i].long_arg] != h->cur_pic_ptr) {
remove_long(h, mmco[i].long_arg, 0);
h->long_ref[mmco[i].long_arg] = h->cur_pic_ptr;
h->long_ref[mmco[i].long_arg]->long_ref = 1;
h->long_ref_count++;
h->cur_pic_ptr->reference |= h->picture_structure;
current_ref_assigned = 1;
break;
case MMCO_SET_MAX_LONG:
assert(mmco[i].long_arg <= 16);
// just remove the long term which index is greater than new max
for (j = mmco[i].long_arg; j < 16; j++) {
remove_long(h, j, 0);
break;
case MMCO_RESET:
while (h->short_ref_count) {
remove_short(h, h->short_ref[0]->frame_num, 0);
for (j = 0; j < 16; j++) {
remove_long(h, j, 0);
h->frame_num = h->cur_pic_ptr->frame_num = 0;
h->mmco_reset = 1;
h->cur_pic_ptr->mmco_reset = 1;
for (j = 0; j < MAX_DELAYED_PIC_COUNT; j++)
h->last_pocs[j] = INT_MIN;
break;
default: assert(0);
if (!current_ref_assigned) {
/* Second field of complementary field pair; the first field of
* which is already referenced. If short referenced, it
* should be first entry in short_ref. If not, it must exist
* in long_ref; trying to put it on the short list here is an
* error in the encoded bit stream (ref: 7.4.3.3, NOTE 2 and 3).
*/
if (h->short_ref_count && h->short_ref[0] == h->cur_pic_ptr) {
/* Just mark the second field valid */
h->cur_pic_ptr->reference = PICT_FRAME;
} else if (h->cur_pic_ptr->long_ref) {
av_log(h->avctx, AV_LOG_ERROR, "illegal short term reference "
"assignment for second field "
"in complementary field pair "
"(first field is long term)\n");
err = AVERROR_INVALIDDATA;
} else {
pic = remove_short(h, h->cur_pic_ptr->frame_num, 0);
if (pic) {
av_log(h->avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n");
err = AVERROR_INVALIDDATA;
if (h->short_ref_count)
memmove(&h->short_ref[1], &h->short_ref[0],
h->short_ref_count * sizeof(Picture*));
h->short_ref[0] = h->cur_pic_ptr;
h->short_ref_count++;
h->cur_pic_ptr->reference |= h->picture_structure;
if (h->long_ref_count + h->short_ref_count > FFMAX(h->sps.ref_frame_count, 1)) {
/* We have too many reference frames, probably due to corrupted
* stream. Need to discard one frame. Prevents overrun of the
* short_ref and long_ref buffers.
*/
av_log(h->avctx, AV_LOG_ERROR,
"number of reference frames (%d+%d) exceeds max (%d; probably "
"corrupt input), discarding one\n",
h->long_ref_count, h->short_ref_count, h->sps.ref_frame_count);
err = AVERROR_INVALIDDATA;
if (h->long_ref_count && !h->short_ref_count) {
for (i = 0; i < 16; ++i)
if (h->long_ref[i])
break;
assert(i < 16);
remove_long(h, i, 0);
} else {
pic = h->short_ref[h->short_ref_count - 1];
remove_short(h, pic->frame_num, 0);
print_short_term(h);
print_long_term(h);
if(err >= 0 && h->long_ref_count==0 && h->short_ref_count<=2 && h->pps.ref_count[0]<=1 + (h->picture_structure != PICT_FRAME) && h->cur_pic_ptr->f.pict_type == AV_PICTURE_TYPE_I){
h->cur_pic_ptr->sync |= 1;
if(!h->avctx->has_b_frames)
h->sync = 2;
return (h->avctx->err_recognition & AV_EF_EXPLODE) ? err : 0;
| 24,137 |
qemu | e23a1b33b53d25510320b26d9f154e19c6c99725 | 1 | static void pc_init1(ram_addr_t ram_size,
const char *boot_device,
const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename,
const char *cpu_model,
int pci_enabled)
{
char *filename;
int ret, linux_boot, i;
ram_addr_t ram_addr, bios_offset, option_rom_offset;
ram_addr_t below_4g_mem_size, above_4g_mem_size = 0;
int bios_size, isa_bios_size;
PCIBus *pci_bus;
ISADevice *isa_dev;
int piix3_devfn = -1;
CPUState *env;
qemu_irq *cpu_irq;
qemu_irq *isa_irq;
qemu_irq *i8259;
IsaIrqState *isa_irq_state;
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
DriveInfo *fd[MAX_FD];
int using_vga = cirrus_vga_enabled || std_vga_enabled || vmsvga_enabled;
void *fw_cfg;
if (ram_size >= 0xe0000000 ) {
above_4g_mem_size = ram_size - 0xe0000000;
below_4g_mem_size = 0xe0000000;
} else {
below_4g_mem_size = ram_size;
}
linux_boot = (kernel_filename != NULL);
/* init CPUs */
if (cpu_model == NULL) {
#ifdef TARGET_X86_64
cpu_model = "qemu64";
#else
cpu_model = "qemu32";
#endif
}
for (i = 0; i < smp_cpus; i++) {
env = pc_new_cpu(cpu_model);
}
vmport_init();
/* allocate RAM */
ram_addr = qemu_ram_alloc(0xa0000);
cpu_register_physical_memory(0, 0xa0000, ram_addr);
/* Allocate, even though we won't register, so we don't break the
* phys_ram_base + PA assumption. This range includes vga (0xa0000 - 0xc0000),
* and some bios areas, which will be registered later
*/
ram_addr = qemu_ram_alloc(0x100000 - 0xa0000);
ram_addr = qemu_ram_alloc(below_4g_mem_size - 0x100000);
cpu_register_physical_memory(0x100000,
below_4g_mem_size - 0x100000,
ram_addr);
/* above 4giga memory allocation */
if (above_4g_mem_size > 0) {
#if TARGET_PHYS_ADDR_BITS == 32
hw_error("To much RAM for 32-bit physical address");
#else
ram_addr = qemu_ram_alloc(above_4g_mem_size);
cpu_register_physical_memory(0x100000000ULL,
above_4g_mem_size,
ram_addr);
#endif
}
/* BIOS load */
if (bios_name == NULL)
bios_name = BIOS_FILENAME;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
bios_size = get_image_size(filename);
} else {
bios_size = -1;
}
if (bios_size <= 0 ||
(bios_size % 65536) != 0) {
goto bios_error;
}
bios_offset = qemu_ram_alloc(bios_size);
ret = load_image(filename, qemu_get_ram_ptr(bios_offset));
if (ret != bios_size) {
bios_error:
fprintf(stderr, "qemu: could not load PC BIOS '%s'\n", bios_name);
exit(1);
}
if (filename) {
qemu_free(filename);
}
/* map the last 128KB of the BIOS in ISA space */
isa_bios_size = bios_size;
if (isa_bios_size > (128 * 1024))
isa_bios_size = 128 * 1024;
cpu_register_physical_memory(0x100000 - isa_bios_size,
isa_bios_size,
(bios_offset + bios_size - isa_bios_size) | IO_MEM_ROM);
option_rom_offset = qemu_ram_alloc(PC_ROM_SIZE);
cpu_register_physical_memory(PC_ROM_MIN_VGA, PC_ROM_SIZE, option_rom_offset);
if (using_vga) {
/* VGA BIOS load */
if (cirrus_vga_enabled) {
rom_add_vga(VGABIOS_CIRRUS_FILENAME);
} else {
rom_add_vga(VGABIOS_FILENAME);
}
}
/* map all the bios at the top of memory */
cpu_register_physical_memory((uint32_t)(-bios_size),
bios_size, bios_offset | IO_MEM_ROM);
fw_cfg = bochs_bios_init();
if (linux_boot) {
load_linux(fw_cfg, kernel_filename, initrd_filename, kernel_cmdline, below_4g_mem_size);
}
for (i = 0; i < nb_option_roms; i++) {
rom_add_option(option_rom[i]);
}
for (i = 0; i < nb_nics; i++) {
char nic_oprom[1024];
const char *model = nd_table[i].model;
if (!nd_table[i].bootable)
continue;
if (model == NULL)
model = "e1000";
snprintf(nic_oprom, sizeof(nic_oprom), "pxe-%s.bin", model);
rom_add_option(nic_oprom);
}
cpu_irq = qemu_allocate_irqs(pic_irq_request, NULL, 1);
i8259 = i8259_init(cpu_irq[0]);
isa_irq_state = qemu_mallocz(sizeof(*isa_irq_state));
isa_irq_state->i8259 = i8259;
isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24);
if (pci_enabled) {
pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq);
} else {
pci_bus = NULL;
isa_bus_new(NULL);
}
isa_bus_irqs(isa_irq);
ferr_irq = isa_reserve_irq(13);
/* init basic PC hardware */
register_ioport_write(0x80, 1, 1, ioport80_write, NULL);
register_ioport_write(0xf0, 1, 1, ioportF0_write, NULL);
if (cirrus_vga_enabled) {
if (pci_enabled) {
pci_cirrus_vga_init(pci_bus);
} else {
isa_cirrus_vga_init();
}
} else if (vmsvga_enabled) {
if (pci_enabled)
pci_vmsvga_init(pci_bus);
else
fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __FUNCTION__);
} else if (std_vga_enabled) {
if (pci_enabled) {
pci_vga_init(pci_bus, 0, 0);
} else {
isa_vga_init();
}
}
rtc_state = rtc_init(2000);
qemu_register_boot_set(pc_boot_set, rtc_state);
register_ioport_read(0x92, 1, 1, ioport92_read, NULL);
register_ioport_write(0x92, 1, 1, ioport92_write, NULL);
if (pci_enabled) {
isa_irq_state->ioapic = ioapic_init();
}
pit = pit_init(0x40, isa_reserve_irq(0));
pcspk_init(pit);
if (!no_hpet) {
hpet_init(isa_irq);
}
for(i = 0; i < MAX_SERIAL_PORTS; i++) {
if (serial_hds[i]) {
serial_isa_init(i, serial_hds[i]);
}
}
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
if (parallel_hds[i]) {
parallel_init(i, parallel_hds[i]);
}
}
for(i = 0; i < nb_nics; i++) {
NICInfo *nd = &nd_table[i];
if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
pc_init_ne2k_isa(nd);
else
pci_nic_init_nofail(nd, "e1000", NULL);
}
if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
fprintf(stderr, "qemu: too many IDE bus\n");
exit(1);
}
for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
}
if (pci_enabled) {
pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
} else {
for(i = 0; i < MAX_IDE_BUS; i++) {
isa_ide_init(ide_iobase[i], ide_iobase2[i], ide_irq[i],
hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
}
}
isa_dev = isa_create_simple("i8042");
DMA_init(0);
#ifdef HAS_AUDIO
audio_init(pci_enabled ? pci_bus : NULL, isa_irq);
#endif
for(i = 0; i < MAX_FD; i++) {
fd[i] = drive_get(IF_FLOPPY, 0, i);
}
floppy_controller = fdctrl_init_isa(fd);
cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device, hd);
if (pci_enabled && usb_enabled) {
usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
}
if (pci_enabled && acpi_enabled) {
uint8_t *eeprom_buf = qemu_mallocz(8 * 256); /* XXX: make this persistent */
i2c_bus *smbus;
/* TODO: Populate SPD eeprom data. */
smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
isa_reserve_irq(9));
for (i = 0; i < 8; i++) {
DeviceState *eeprom;
eeprom = qdev_create((BusState *)smbus, "smbus-eeprom");
qdev_prop_set_uint8(eeprom, "address", 0x50 + i);
qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256));
qdev_init(eeprom);
}
piix4_acpi_system_hot_add_init(pci_bus);
}
if (i440fx_state) {
i440fx_init_memory_mappings(i440fx_state);
}
if (pci_enabled) {
int max_bus;
int bus;
max_bus = drive_get_max_bus(IF_SCSI);
for (bus = 0; bus <= max_bus; bus++) {
pci_create_simple(pci_bus, -1, "lsi53c895a");
}
}
/* Add virtio console devices */
if (pci_enabled) {
for(i = 0; i < MAX_VIRTIO_CONSOLES; i++) {
if (virtcon_hds[i]) {
pci_create_simple(pci_bus, -1, "virtio-console-pci");
}
}
}
}
| 24,138 |
FFmpeg | eed36075645ecc3d3ef202c94badb66818114c2c | 1 | void *av_tree_insert(AVTreeNode **tp, void *key, int (*cmp)(void *key, const void *b), AVTreeNode **next){
AVTreeNode *t= *tp;
if(t){
unsigned int v= cmp(t->elem, key);
void *ret;
if(!v){
if(*next)
return t->elem;
else if(t->child[0]||t->child[1]){
int i= !t->child[0];
void *next_elem[2];
av_tree_find(t->child[i], key, cmp, next_elem);
key= t->elem= next_elem[i];
v= -i;
}else{
*next= t;
*tp=NULL;
return NULL;
}
}
ret= av_tree_insert(&t->child[v>>31], key, cmp, next);
if(!ret){
int i= (v>>31) ^ !!*next;
AVTreeNode **child= &t->child[i];
t->state += 2*i - 1;
if(!(t->state&1)){
if(t->state){
/* The following code is equivalent to
if((*child)->state*2 == -t->state)
rotate(child, i^1);
rotate(tp, i);
with rotate():
static void rotate(AVTreeNode **tp, int i){
AVTreeNode *t= *tp;
*tp= t->child[i];
t->child[i]= t->child[i]->child[i^1];
(*tp)->child[i^1]= t;
i= 4*t->state + 2*(*tp)->state + 12;
t ->state= ((0x614586 >> i) & 3)-1;
(*tp)->state= ((*tp)->state>>1) + ((0x400EEA >> i) & 3)-1;
}
but such a rotate function is both bigger and slower
*/
if((*child)->state*2 == -t->state){
*tp= (*child)->child[i^1];
(*child)->child[i^1]= (*tp)->child[i];
(*tp)->child[i]= *child;
*child= (*tp)->child[i^1];
(*tp)->child[i^1]= t;
(*tp)->child[0]->state= -((*tp)->state>0);
(*tp)->child[1]->state= (*tp)->state<0 ;
(*tp)->state=0;
}else{
*tp= *child;
*child= (*child)->child[i^1];
(*tp)->child[i^1]= t;
if((*tp)->state) t->state = 0;
else t->state>>= 1;
(*tp)->state= -t->state;
}
}
}
if(!(*tp)->state ^ !!*next)
return key;
}
return ret;
}else{
*tp= *next; *next= NULL;
(*tp)->elem= key;
return NULL;
}
}
| 24,139 |
qemu | c2551b47c9b9465962c4000268eda1307f55614a | 1 | static size_t refcount_array_byte_size(BDRVQcow2State *s, uint64_t entries)
{
/* This assertion holds because there is no way we can address more than
* 2^(64 - 9) clusters at once (with cluster size 512 = 2^9, and because
* offsets have to be representable in bytes); due to every cluster
* corresponding to one refcount entry, we are well below that limit */
assert(entries < (UINT64_C(1) << (64 - 9)));
/* Thanks to the assertion this will not overflow, because
* s->refcount_order < 7.
* (note: x << s->refcount_order == x * s->refcount_bits) */
return DIV_ROUND_UP(entries << s->refcount_order, 8);
}
| 24,140 |
FFmpeg | aa13b0fc55f5aec58fce24d1a047271b3e5727f1 | 1 | static inline void RENAME(hyscale)(SwsContext *c, uint16_t *dst, long dstWidth, uint8_t *src, int srcW, int xInc,
int flags, int canMMX2BeUsed, int16_t *hLumFilter,
int16_t *hLumFilterPos, int hLumFilterSize, void *funnyYCode,
int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
int32_t *mmx2FilterPos, uint8_t *pal)
{
if (srcFormat==PIX_FMT_YUYV422 || srcFormat==PIX_FMT_GRAY16BE)
{
RENAME(yuy2ToY)(formatConvBuffer, src, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_UYVY422 || srcFormat==PIX_FMT_GRAY16LE)
{
RENAME(uyvyToY)(formatConvBuffer, src, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_RGB32)
{
RENAME(bgr32ToY)(formatConvBuffer, src, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_RGB32_1)
{
RENAME(bgr32ToY)(formatConvBuffer, src+ALT32_CORR, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_BGR24)
{
RENAME(bgr24ToY)(formatConvBuffer, src, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_BGR565)
{
RENAME(bgr16ToY)(formatConvBuffer, src, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_BGR555)
{
RENAME(bgr15ToY)(formatConvBuffer, src, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_BGR32)
{
RENAME(rgb32ToY)(formatConvBuffer, src, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_BGR32_1)
{
RENAME(rgb32ToY)(formatConvBuffer, src+ALT32_CORR, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_RGB24)
{
RENAME(rgb24ToY)(formatConvBuffer, src, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_RGB565)
{
RENAME(rgb16ToY)(formatConvBuffer, src, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_RGB555)
{
RENAME(rgb15ToY)(formatConvBuffer, src, srcW);
src= formatConvBuffer;
}
else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE || srcFormat==PIX_FMT_RGB4_BYTE)
{
RENAME(palToY)(formatConvBuffer, src, srcW, (uint32_t*)pal);
src= formatConvBuffer;
}
#ifdef HAVE_MMX
// Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
#else
if (!(flags&SWS_FAST_BILINEAR))
#endif
{
RENAME(hScale)(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);
}
else // fast bilinear upscale / crap downscale
{
#if defined(ARCH_X86)
#ifdef HAVE_MMX2
int i;
#if defined(PIC)
uint64_t ebxsave __attribute__((aligned(8)));
#endif
if (canMMX2BeUsed)
{
asm volatile(
#if defined(PIC)
"mov %%"REG_b", %5 \n\t"
#endif
"pxor %%mm7, %%mm7 \n\t"
"mov %0, %%"REG_c" \n\t"
"mov %1, %%"REG_D" \n\t"
"mov %2, %%"REG_d" \n\t"
"mov %3, %%"REG_b" \n\t"
"xor %%"REG_a", %%"REG_a" \n\t" // i
PREFETCH" (%%"REG_c") \n\t"
PREFETCH" 32(%%"REG_c") \n\t"
PREFETCH" 64(%%"REG_c") \n\t"
#ifdef ARCH_X86_64
#define FUNNY_Y_CODE \
"movl (%%"REG_b"), %%esi \n\t"\
"call *%4 \n\t"\
"movl (%%"REG_b", %%"REG_a"), %%esi \n\t"\
"add %%"REG_S", %%"REG_c" \n\t"\
"add %%"REG_a", %%"REG_D" \n\t"\
"xor %%"REG_a", %%"REG_a" \n\t"\
#else
#define FUNNY_Y_CODE \
"movl (%%"REG_b"), %%esi \n\t"\
"call *%4 \n\t"\
"addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
"add %%"REG_a", %%"REG_D" \n\t"\
"xor %%"REG_a", %%"REG_a" \n\t"\
#endif /* ARCH_X86_64 */
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
FUNNY_Y_CODE
#if defined(PIC)
"mov %5, %%"REG_b" \n\t"
#endif
:: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
"m" (funnyYCode)
#if defined(PIC)
,"m" (ebxsave)
#endif
: "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
#if !defined(PIC)
,"%"REG_b
#endif
);
for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;
}
else
{
#endif /* HAVE_MMX2 */
long xInc_shr16 = xInc >> 16;
uint16_t xInc_mask = xInc & 0xffff;
//NO MMX just normal asm ...
asm volatile(
"xor %%"REG_a", %%"REG_a" \n\t" // i
"xor %%"REG_d", %%"REG_d" \n\t" // xx
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
ASMALIGN(4)
"1: \n\t"
"movzbl (%0, %%"REG_d"), %%edi \n\t" //src[xx]
"movzbl 1(%0, %%"REG_d"), %%esi \n\t" //src[xx+1]
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"mov %1, %%"REG_D" \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, (%%"REG_D", %%"REG_a", 2) \n\t"
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
"adc %3, %%"REG_d" \n\t" //xx+= xInc>>8 + carry
"movzbl (%0, %%"REG_d"), %%edi \n\t" //src[xx]
"movzbl 1(%0, %%"REG_d"), %%esi \n\t" //src[xx+1]
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"mov %1, %%"REG_D" \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, 2(%%"REG_D", %%"REG_a", 2) \n\t"
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
"adc %3, %%"REG_d" \n\t" //xx+= xInc>>8 + carry
"add $2, %%"REG_a" \n\t"
"cmp %2, %%"REG_a" \n\t"
" jb 1b \n\t"
:: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)
: "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
);
#ifdef HAVE_MMX2
} //if MMX2 can't be used
#endif
#else
int i;
unsigned int xpos=0;
for (i=0;i<dstWidth;i++)
{
register unsigned int xx=xpos>>16;
register unsigned int xalpha=(xpos&0xFFFF)>>9;
dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;
xpos+=xInc;
}
#endif /* defined(ARCH_X86) */
}
if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
int i;
//FIXME all pal and rgb srcFormats could do this convertion as well
//FIXME all scalers more complex than bilinear could do half of this transform
if(c->srcRange){
for (i=0; i<dstWidth; i++)
dst[i]= (dst[i]*14071 + 33561947)>>14;
}else{
for (i=0; i<dstWidth; i++)
dst[i]= (dst[i]*19077 - 39057361)>>14;
}
}
}
| 24,142 |
FFmpeg | b79c3df08807c96a945d9cea21c5d923c464d622 | 1 | static int applehttp_read_header(AVFormatContext *s, AVFormatParameters *ap)
{
AppleHTTPContext *c = s->priv_data;
int ret = 0, i, j, stream_offset = 0;
if ((ret = parse_playlist(c, s->filename, NULL, s->pb)) < 0)
goto fail;
if (c->n_variants == 0) {
av_log(NULL, AV_LOG_WARNING, "Empty playlist\n");
ret = AVERROR_EOF;
goto fail;
}
/* If the playlist only contained variants, parse each individual
* variant playlist. */
if (c->n_variants > 1 || c->variants[0]->n_segments == 0) {
for (i = 0; i < c->n_variants; i++) {
struct variant *v = c->variants[i];
if ((ret = parse_playlist(c, v->url, v, NULL)) < 0)
goto fail;
}
}
if (c->variants[0]->n_segments == 0) {
av_log(NULL, AV_LOG_WARNING, "Empty playlist\n");
ret = AVERROR_EOF;
goto fail;
}
/* If this isn't a live stream, calculate the total duration of the
* stream. */
if (c->finished) {
int duration = 0;
for (i = 0; i < c->variants[0]->n_segments; i++)
duration += c->variants[0]->segments[i]->duration;
s->duration = duration * AV_TIME_BASE;
}
c->min_end_seq = INT_MAX;
/* Open the demuxer for each variant */
for (i = 0; i < c->n_variants; i++) {
struct variant *v = c->variants[i];
if (v->n_segments == 0)
continue;
c->max_start_seq = FFMAX(c->max_start_seq, v->start_seq_no);
c->min_end_seq = FFMIN(c->min_end_seq, v->start_seq_no +
v->n_segments);
ret = av_open_input_file(&v->ctx, v->segments[0]->url, NULL, 0, NULL);
if (ret < 0)
goto fail;
url_fclose(v->ctx->pb);
v->ctx->pb = NULL;
v->stream_offset = stream_offset;
/* Create new AVStreams for each stream in this variant */
for (j = 0; j < v->ctx->nb_streams; j++) {
AVStream *st = av_new_stream(s, i);
if (!st) {
ret = AVERROR(ENOMEM);
goto fail;
}
avcodec_copy_context(st->codec, v->ctx->streams[j]->codec);
}
stream_offset += v->ctx->nb_streams;
}
c->last_packet_dts = AV_NOPTS_VALUE;
c->cur_seq_no = c->max_start_seq;
/* If this is a live stream with more than 3 segments, start at the
* third last segment. */
if (!c->finished && c->min_end_seq - c->max_start_seq > 3)
c->cur_seq_no = c->min_end_seq - 2;
return 0;
fail:
free_variant_list(c);
return ret;
}
| 24,143 |
FFmpeg | 82d705e245050c1040321022e200969f9c3ff9c3 | 1 | static int nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
NVENCSTATUS nv_status;
NvencOutputSurface *tmpoutsurf;
int res, i = 0;
NvencContext *ctx = avctx->priv_data;
NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
NV_ENC_PIC_PARAMS pic_params = { 0 };
pic_params.version = NV_ENC_PIC_PARAMS_VER;
if (frame) {
NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 };
NvencInputSurface *inSurf = NULL;
for (i = 0; i < ctx->max_surface_count; ++i) {
if (!ctx->input_surfaces[i].lockCount) {
inSurf = &ctx->input_surfaces[i];
break;
}
}
av_assert0(inSurf);
inSurf->lockCount = 1;
lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
lockBufferParams.inputBuffer = inSurf->input_surface;
nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams);
if (nv_status != NV_ENC_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed locking nvenc input buffer\n");
return 0;
}
if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
uint8_t *buf = lockBufferParams.bufferDataPtr;
av_image_copy_plane(buf, lockBufferParams.pitch,
frame->data[0], frame->linesize[0],
avctx->width, avctx->height);
buf += inSurf->height * lockBufferParams.pitch;
av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
frame->data[2], frame->linesize[2],
avctx->width >> 1, avctx->height >> 1);
buf += (inSurf->height * lockBufferParams.pitch) >> 2;
av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
frame->data[1], frame->linesize[1],
avctx->width >> 1, avctx->height >> 1);
} else if (avctx->pix_fmt == AV_PIX_FMT_NV12) {
uint8_t *buf = lockBufferParams.bufferDataPtr;
av_image_copy_plane(buf, lockBufferParams.pitch,
frame->data[0], frame->linesize[0],
avctx->width, avctx->height);
buf += inSurf->height * lockBufferParams.pitch;
av_image_copy_plane(buf, lockBufferParams.pitch,
frame->data[1], frame->linesize[1],
avctx->width, avctx->height >> 1);
} else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P) {
uint8_t *buf = lockBufferParams.bufferDataPtr;
av_image_copy_plane(buf, lockBufferParams.pitch,
frame->data[0], frame->linesize[0],
avctx->width, avctx->height);
buf += inSurf->height * lockBufferParams.pitch;
av_image_copy_plane(buf, lockBufferParams.pitch,
frame->data[1], frame->linesize[1],
avctx->width, avctx->height);
buf += inSurf->height * lockBufferParams.pitch;
av_image_copy_plane(buf, lockBufferParams.pitch,
frame->data[2], frame->linesize[2],
avctx->width, avctx->height);
} else {
av_log(avctx, AV_LOG_FATAL, "Invalid pixel format!\n");
return AVERROR(EINVAL);
}
nv_status = p_nvenc->nvEncUnlockInputBuffer(ctx->nvencoder, inSurf->input_surface);
if (nv_status != NV_ENC_SUCCESS) {
av_log(avctx, AV_LOG_FATAL, "Failed unlocking input buffer!\n");
return AVERROR_EXTERNAL;
}
for (i = 0; i < ctx->max_surface_count; ++i)
if (!ctx->output_surfaces[i].busy)
break;
if (i == ctx->max_surface_count) {
inSurf->lockCount = 0;
av_log(avctx, AV_LOG_FATAL, "No free output surface found!\n");
return AVERROR_EXTERNAL;
}
ctx->output_surfaces[i].input_surface = inSurf;
pic_params.inputBuffer = inSurf->input_surface;
pic_params.bufferFmt = inSurf->format;
pic_params.inputWidth = avctx->width;
pic_params.inputHeight = avctx->height;
pic_params.outputBitstream = ctx->output_surfaces[i].output_surface;
pic_params.completionEvent = 0;
if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
if (frame->top_field_first) {
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
} else {
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP;
}
} else {
pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
}
pic_params.encodePicFlags = 0;
pic_params.inputTimeStamp = frame->pts;
pic_params.inputDuration = 0;
switch (avctx->codec->id) {
case AV_CODEC_ID_H264:
pic_params.codecPicParams.h264PicParams.sliceMode = ctx->encode_config.encodeCodecConfig.h264Config.sliceMode;
pic_params.codecPicParams.h264PicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
break;
case AV_CODEC_ID_H265:
pic_params.codecPicParams.hevcPicParams.sliceMode = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode;
pic_params.codecPicParams.hevcPicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unknown codec name\n");
return AVERROR(EINVAL);
}
res = timestamp_queue_enqueue(&ctx->timestamp_list, frame->pts);
if (res)
return res;
} else {
pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
}
nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params);
if (frame && nv_status == NV_ENC_ERR_NEED_MORE_INPUT) {
res = out_surf_queue_enqueue(&ctx->output_surface_queue, &ctx->output_surfaces[i]);
if (res)
return res;
ctx->output_surfaces[i].busy = 1;
}
if (nv_status != NV_ENC_SUCCESS && nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
av_log(avctx, AV_LOG_ERROR, "EncodePicture failed!\n");
return AVERROR_EXTERNAL;
}
if (nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
while (ctx->output_surface_queue.count) {
tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_queue);
res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, tmpoutsurf);
if (res)
return res;
}
if (frame) {
res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, &ctx->output_surfaces[i]);
if (res)
return res;
ctx->output_surfaces[i].busy = 1;
}
}
if (ctx->output_surface_ready_queue.count && (!frame || ctx->output_surface_ready_queue.count + ctx->output_surface_queue.count >= ctx->buffer_delay)) {
tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_ready_queue);
res = process_output_surface(avctx, pkt, tmpoutsurf);
if (res)
return res;
tmpoutsurf->busy = 0;
av_assert0(tmpoutsurf->input_surface->lockCount);
tmpoutsurf->input_surface->lockCount--;
*got_packet = 1;
} else {
*got_packet = 0;
}
return 0;
}
| 24,144 |
FFmpeg | 6a63ff19b6a7fe3bc32c7fb4a62fca8f65786432 | 0 | static int mov_read_glbl(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
{
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
if((uint64_t)atom.size > (1<<30))
return -1;
av_free(st->codec->extradata);
st->codec->extradata = av_mallocz(atom.size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata)
return AVERROR(ENOMEM);
st->codec->extradata_size = atom.size;
get_buffer(pb, st->codec->extradata, atom.size);
return 0;
}
| 24,145 |
FFmpeg | 465e1dadbef7596a3eb87089a66bb4ecdc26d3c4 | 0 | static uint64_t find_any_startcode(ByteIOContext *bc, int64_t pos){
uint64_t state=0;
if(pos >= 0)
url_fseek(bc, pos, SEEK_SET); //note, this may fail if the stream isnt seekable, but that shouldnt matter, as in this case we simply start where we are currently
while(bytes_left(bc)){
state= (state<<8) | get_byte(bc);
if((state>>56) != 'N')
continue;
switch(state){
case MAIN_STARTCODE:
case STREAM_STARTCODE:
case KEYFRAME_STARTCODE:
case INFO_STARTCODE:
case INDEX_STARTCODE:
return state;
}
}
return 0;
}
| 24,146 |
FFmpeg | b164d66e35d349de414e2f0d7365a147aba8a620 | 0 | static void ape_unpack_stereo(APEContext *ctx, int count)
{
int32_t left, right;
int32_t *decoded0 = ctx->decoded[0];
int32_t *decoded1 = ctx->decoded[1];
if (ctx->frameflags & APE_FRAMECODE_STEREO_SILENCE) {
/* We are pure silence, so we're done. */
av_log(ctx->avctx, AV_LOG_DEBUG, "pure silence stereo\n");
return;
}
entropy_decode(ctx, count, 1);
ape_apply_filters(ctx, decoded0, decoded1, count);
/* Now apply the predictor decoding */
predictor_decode_stereo(ctx, count);
/* Decorrelate and scale to output depth */
while (count--) {
left = *decoded1 - (*decoded0 / 2);
right = left + *decoded0;
*(decoded0++) = left;
*(decoded1++) = right;
}
}
| 24,147 |
qemu | 245f7b51c0ea04fb2224b1127430a096c91aee70 | 0 | static void jpeg_init_destination(j_compress_ptr cinfo)
{
VncState *vs = cinfo->client_data;
Buffer *buffer = &vs->tight_jpeg;
cinfo->dest->next_output_byte = (JOCTET *)buffer->buffer + buffer->offset;
cinfo->dest->free_in_buffer = (size_t)(buffer->capacity - buffer->offset);
}
| 24,149 |
qemu | b6dcbe086c77ec683f5ff0b693593cda1d61f3a1 | 0 | static void ref405ep_init (ram_addr_t ram_size,
const char *boot_device,
const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename,
const char *cpu_model)
{
char *filename;
ppc4xx_bd_info_t bd;
CPUPPCState *env;
qemu_irq *pic;
ram_addr_t sram_offset, bios_offset, bdloc;
target_phys_addr_t ram_bases[2], ram_sizes[2];
target_ulong sram_size;
long bios_size;
//int phy_addr = 0;
//static int phy_addr = 1;
target_ulong kernel_base, initrd_base;
long kernel_size, initrd_size;
int linux_boot;
int fl_idx, fl_sectors, len;
DriveInfo *dinfo;
/* XXX: fix this */
ram_bases[0] = qemu_ram_alloc(NULL, "ef405ep.ram", 0x08000000);
ram_sizes[0] = 0x08000000;
ram_bases[1] = 0x00000000;
ram_sizes[1] = 0x00000000;
ram_size = 128 * 1024 * 1024;
#ifdef DEBUG_BOARD_INIT
printf("%s: register cpu\n", __func__);
#endif
env = ppc405ep_init(ram_bases, ram_sizes, 33333333, &pic,
kernel_filename == NULL ? 0 : 1);
/* allocate SRAM */
sram_size = 512 * 1024;
sram_offset = qemu_ram_alloc(NULL, "ef405ep.sram", sram_size);
#ifdef DEBUG_BOARD_INIT
printf("%s: register SRAM at offset %08lx\n", __func__, sram_offset);
#endif
cpu_register_physical_memory(0xFFF00000, sram_size,
sram_offset | IO_MEM_RAM);
/* allocate and load BIOS */
#ifdef DEBUG_BOARD_INIT
printf("%s: register BIOS\n", __func__);
#endif
fl_idx = 0;
#ifdef USE_FLASH_BIOS
dinfo = drive_get(IF_PFLASH, 0, fl_idx);
if (dinfo) {
bios_size = bdrv_getlength(dinfo->bdrv);
bios_offset = qemu_ram_alloc(NULL, "ef405ep.bios", bios_size);
fl_sectors = (bios_size + 65535) >> 16;
#ifdef DEBUG_BOARD_INIT
printf("Register parallel flash %d size %lx"
" at offset %08lx addr %lx '%s' %d\n",
fl_idx, bios_size, bios_offset, -bios_size,
bdrv_get_device_name(dinfo->bdrv), fl_sectors);
#endif
pflash_cfi02_register((uint32_t)(-bios_size), bios_offset,
dinfo->bdrv, 65536, fl_sectors, 1,
2, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA,
1);
fl_idx++;
} else
#endif
{
#ifdef DEBUG_BOARD_INIT
printf("Load BIOS from file\n");
#endif
bios_offset = qemu_ram_alloc(NULL, "ef405ep.bios", BIOS_SIZE);
if (bios_name == NULL)
bios_name = BIOS_FILENAME;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
bios_size = load_image(filename, qemu_get_ram_ptr(bios_offset));
g_free(filename);
} else {
bios_size = -1;
}
if (bios_size < 0 || bios_size > BIOS_SIZE) {
fprintf(stderr, "qemu: could not load PowerPC bios '%s'\n",
bios_name);
exit(1);
}
bios_size = (bios_size + 0xfff) & ~0xfff;
cpu_register_physical_memory((uint32_t)(-bios_size),
bios_size, bios_offset | IO_MEM_ROM);
}
/* Register FPGA */
#ifdef DEBUG_BOARD_INIT
printf("%s: register FPGA\n", __func__);
#endif
ref405ep_fpga_init(0xF0300000);
/* Register NVRAM */
#ifdef DEBUG_BOARD_INIT
printf("%s: register NVRAM\n", __func__);
#endif
m48t59_init(NULL, 0xF0000000, 0, 8192, 8);
/* Load kernel */
linux_boot = (kernel_filename != NULL);
if (linux_boot) {
#ifdef DEBUG_BOARD_INIT
printf("%s: load kernel\n", __func__);
#endif
memset(&bd, 0, sizeof(bd));
bd.bi_memstart = 0x00000000;
bd.bi_memsize = ram_size;
bd.bi_flashstart = -bios_size;
bd.bi_flashsize = -bios_size;
bd.bi_flashoffset = 0;
bd.bi_sramstart = 0xFFF00000;
bd.bi_sramsize = sram_size;
bd.bi_bootflags = 0;
bd.bi_intfreq = 133333333;
bd.bi_busfreq = 33333333;
bd.bi_baudrate = 115200;
bd.bi_s_version[0] = 'Q';
bd.bi_s_version[1] = 'M';
bd.bi_s_version[2] = 'U';
bd.bi_s_version[3] = '\0';
bd.bi_r_version[0] = 'Q';
bd.bi_r_version[1] = 'E';
bd.bi_r_version[2] = 'M';
bd.bi_r_version[3] = 'U';
bd.bi_r_version[4] = '\0';
bd.bi_procfreq = 133333333;
bd.bi_plb_busfreq = 33333333;
bd.bi_pci_busfreq = 33333333;
bd.bi_opbfreq = 33333333;
bdloc = ppc405_set_bootinfo(env, &bd, 0x00000001);
env->gpr[3] = bdloc;
kernel_base = KERNEL_LOAD_ADDR;
/* now we can load the kernel */
kernel_size = load_image_targphys(kernel_filename, kernel_base,
ram_size - kernel_base);
if (kernel_size < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n",
kernel_filename);
exit(1);
}
printf("Load kernel size %ld at " TARGET_FMT_lx,
kernel_size, kernel_base);
/* load initrd */
if (initrd_filename) {
initrd_base = INITRD_LOAD_ADDR;
initrd_size = load_image_targphys(initrd_filename, initrd_base,
ram_size - initrd_base);
if (initrd_size < 0) {
fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
initrd_filename);
exit(1);
}
} else {
initrd_base = 0;
initrd_size = 0;
}
env->gpr[4] = initrd_base;
env->gpr[5] = initrd_size;
if (kernel_cmdline != NULL) {
len = strlen(kernel_cmdline);
bdloc -= ((len + 255) & ~255);
cpu_physical_memory_write(bdloc, (void *)kernel_cmdline, len + 1);
env->gpr[6] = bdloc;
env->gpr[7] = bdloc + len;
} else {
env->gpr[6] = 0;
env->gpr[7] = 0;
}
env->nip = KERNEL_LOAD_ADDR;
} else {
kernel_base = 0;
kernel_size = 0;
initrd_base = 0;
initrd_size = 0;
bdloc = 0;
}
#ifdef DEBUG_BOARD_INIT
printf("%s: Done\n", __func__);
#endif
printf("bdloc %016lx\n", (unsigned long)bdloc);
}
| 24,150 |
qemu | bb593904c18e22ea0671dfa1b02e24982f2bf0ea | 0 | void ppc_store_sdr1 (CPUPPCState *env, target_ulong value)
{
LOG_MMU("%s: " TARGET_FMT_lx "\n", __func__, value);
if (env->sdr1 != value) {
/* XXX: for PowerPC 64, should check that the HTABSIZE value
* is <= 28
*/
env->sdr1 = value;
tlb_flush(env, 1);
}
}
| 24,151 |
qemu | b476c99d01519277e3494a10dc0329d07157ae02 | 0 | static void memory_region_finalize(Object *obj)
{
MemoryRegion *mr = MEMORY_REGION(obj);
assert(QTAILQ_EMPTY(&mr->subregions));
assert(memory_region_transaction_depth == 0);
mr->destructor(mr);
memory_region_clear_coalescing(mr);
g_free((char *)mr->name);
g_free(mr->ioeventfds);
}
| 24,152 |
qemu | b2c98d9d392c87c9b9e975d30f79924719d9cbbe | 0 | static void tgen64_ori(TCGContext *s, TCGReg dest, tcg_target_ulong val)
{
static const S390Opcode oi_insns[4] = {
RI_OILL, RI_OILH, RI_OIHL, RI_OIHH
};
static const S390Opcode nif_insns[2] = {
RIL_OILF, RIL_OIHF
};
int i;
/* Look for no-op. */
if (val == 0) {
return;
}
if (facilities & FACILITY_EXT_IMM) {
/* Try all 32-bit insns that can perform it in one go. */
for (i = 0; i < 4; i++) {
tcg_target_ulong mask = (0xffffull << i*16);
if ((val & mask) != 0 && (val & ~mask) == 0) {
tcg_out_insn_RI(s, oi_insns[i], dest, val >> i*16);
return;
}
}
/* Try all 48-bit insns that can perform it in one go. */
for (i = 0; i < 2; i++) {
tcg_target_ulong mask = (0xffffffffull << i*32);
if ((val & mask) != 0 && (val & ~mask) == 0) {
tcg_out_insn_RIL(s, nif_insns[i], dest, val >> i*32);
return;
}
}
/* Perform the OR via sequential modifications to the high and
low parts. Do this via recursion to handle 16-bit vs 32-bit
masks in each half. */
tgen64_ori(s, dest, val & 0x00000000ffffffffull);
tgen64_ori(s, dest, val & 0xffffffff00000000ull);
} else {
/* With no extended-immediate facility, we don't need to be so
clever. Just iterate over the insns and mask in the constant. */
for (i = 0; i < 4; i++) {
tcg_target_ulong mask = (0xffffull << i*16);
if ((val & mask) != 0) {
tcg_out_insn_RI(s, oi_insns[i], dest, val >> i*16);
}
}
}
}
| 24,153 |
qemu | d5b93ddfefe63d5869a8eb97ea3474867d3b105b | 0 | int xen_be_init(void)
{
xenstore = xs_daemon_open();
if (!xenstore) {
xen_be_printf(NULL, 0, "can't connect to xenstored\n");
return -1;
}
if (qemu_set_fd_handler(xs_fileno(xenstore), xenstore_update, NULL, NULL) < 0) {
goto err;
}
xen_xc = xc_interface_open();
if (xen_xc == -1) {
xen_be_printf(NULL, 0, "can't open xen interface\n");
goto err;
}
return 0;
err:
qemu_set_fd_handler(xs_fileno(xenstore), NULL, NULL, NULL);
xs_daemon_close(xenstore);
xenstore = NULL;
return -1;
}
| 24,154 |
qemu | 568c73a4783cd981e9aa6de4f15dcda7829643ad | 0 | static void virtio_input_handle_event(DeviceState *dev, QemuConsole *src,
InputEvent *evt)
{
VirtIOInput *vinput = VIRTIO_INPUT(dev);
virtio_input_event event;
int qcode;
switch (evt->kind) {
case INPUT_EVENT_KIND_KEY:
qcode = qemu_input_key_value_to_qcode(evt->key->key);
if (qcode && keymap_qcode[qcode]) {
event.type = cpu_to_le16(EV_KEY);
event.code = cpu_to_le16(keymap_qcode[qcode]);
event.value = cpu_to_le32(evt->key->down ? 1 : 0);
virtio_input_send(vinput, &event);
} else {
if (evt->key->down) {
fprintf(stderr, "%s: unmapped key: %d [%s]\n", __func__,
qcode, QKeyCode_lookup[qcode]);
}
}
break;
case INPUT_EVENT_KIND_BTN:
if (keymap_button[evt->btn->button]) {
event.type = cpu_to_le16(EV_KEY);
event.code = cpu_to_le16(keymap_button[evt->btn->button]);
event.value = cpu_to_le32(evt->btn->down ? 1 : 0);
virtio_input_send(vinput, &event);
} else {
if (evt->btn->down) {
fprintf(stderr, "%s: unmapped button: %d [%s]\n", __func__,
evt->btn->button, InputButton_lookup[evt->btn->button]);
}
}
break;
case INPUT_EVENT_KIND_REL:
event.type = cpu_to_le16(EV_REL);
event.code = cpu_to_le16(axismap_rel[evt->rel->axis]);
event.value = cpu_to_le32(evt->rel->value);
virtio_input_send(vinput, &event);
break;
case INPUT_EVENT_KIND_ABS:
event.type = cpu_to_le16(EV_ABS);
event.code = cpu_to_le16(axismap_abs[evt->abs->axis]);
event.value = cpu_to_le32(evt->abs->value);
virtio_input_send(vinput, &event);
break;
default:
/* keep gcc happy */
break;
}
}
| 24,157 |
qemu | 883bca776daa43111e9c39008f0038f7c62ae723 | 0 | static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td,
uint32_t *int_mask, bool queuing)
{
UHCIAsync *async;
int len = 0, max_len;
uint8_t pid;
USBDevice *dev;
USBEndpoint *ep;
/* Is active ? */
if (!(td->ctrl & TD_CTRL_ACTIVE))
return TD_RESULT_NEXT_QH;
async = uhci_async_find_td(s, addr, td);
if (async) {
/* Already submitted */
async->queue->valid = 32;
if (!async->done)
return TD_RESULT_ASYNC_CONT;
if (queuing) {
/* we are busy filling the queue, we are not prepared
to consume completed packages then, just leave them
in async state */
return TD_RESULT_ASYNC_CONT;
}
uhci_async_unlink(async);
goto done;
}
/* Allocate new packet */
async = uhci_async_alloc(uhci_queue_get(s, td), addr);
/* valid needs to be large enough to handle 10 frame delay
* for initial isochronous requests
*/
async->queue->valid = 32;
async->isoc = td->ctrl & TD_CTRL_IOS;
max_len = ((td->token >> 21) + 1) & 0x7ff;
pid = td->token & 0xff;
dev = uhci_find_device(s, (td->token >> 8) & 0x7f);
ep = usb_ep_get(dev, pid, (td->token >> 15) & 0xf);
usb_packet_setup(&async->packet, pid, ep, addr);
qemu_sglist_add(&async->sgl, td->buffer, max_len);
usb_packet_map(&async->packet, &async->sgl);
switch(pid) {
case USB_TOKEN_OUT:
case USB_TOKEN_SETUP:
len = usb_handle_packet(dev, &async->packet);
if (len >= 0)
len = max_len;
break;
case USB_TOKEN_IN:
len = usb_handle_packet(dev, &async->packet);
break;
default:
/* invalid pid : frame interrupted */
uhci_async_free(async);
s->status |= UHCI_STS_HCPERR;
uhci_update_irq(s);
return TD_RESULT_STOP_FRAME;
}
if (len == USB_RET_ASYNC) {
uhci_async_link(async);
return TD_RESULT_ASYNC_START;
}
async->packet.result = len;
done:
len = uhci_complete_td(s, td, async, int_mask);
usb_packet_unmap(&async->packet, &async->sgl);
uhci_async_free(async);
return len;
}
| 24,158 |
qemu | fd56e0612b6454a282fa6a953fdb09281a98c589 | 0 | static void xen_pt_region_update(XenPCIPassthroughState *s,
MemoryRegionSection *sec, bool adding)
{
PCIDevice *d = &s->dev;
MemoryRegion *mr = sec->mr;
int bar = -1;
int rc;
int op = adding ? DPCI_ADD_MAPPING : DPCI_REMOVE_MAPPING;
struct CheckBarArgs args = {
.s = s,
.addr = sec->offset_within_address_space,
.size = int128_get64(sec->size),
.rc = false,
};
bar = xen_pt_bar_from_region(s, mr);
if (bar == -1 && (!s->msix || &s->msix->mmio != mr)) {
return;
}
if (s->msix && &s->msix->mmio == mr) {
if (adding) {
s->msix->mmio_base_addr = sec->offset_within_address_space;
rc = xen_pt_msix_update_remap(s, s->msix->bar_index);
}
return;
}
args.type = d->io_regions[bar].type;
pci_for_each_device(d->bus, pci_bus_num(d->bus),
xen_pt_check_bar_overlap, &args);
if (args.rc) {
XEN_PT_WARN(d, "Region: %d (addr: %#"FMT_PCIBUS
", len: %#"FMT_PCIBUS") is overlapped.\n",
bar, sec->offset_within_address_space,
int128_get64(sec->size));
}
if (d->io_regions[bar].type & PCI_BASE_ADDRESS_SPACE_IO) {
uint32_t guest_port = sec->offset_within_address_space;
uint32_t machine_port = s->bases[bar].access.pio_base;
uint32_t size = int128_get64(sec->size);
rc = xc_domain_ioport_mapping(xen_xc, xen_domid,
guest_port, machine_port, size,
op);
if (rc) {
XEN_PT_ERR(d, "%s ioport mapping failed! (err: %i)\n",
adding ? "create new" : "remove old", errno);
}
} else {
pcibus_t guest_addr = sec->offset_within_address_space;
pcibus_t machine_addr = s->bases[bar].access.maddr
+ sec->offset_within_region;
pcibus_t size = int128_get64(sec->size);
rc = xc_domain_memory_mapping(xen_xc, xen_domid,
XEN_PFN(guest_addr + XC_PAGE_SIZE - 1),
XEN_PFN(machine_addr + XC_PAGE_SIZE - 1),
XEN_PFN(size + XC_PAGE_SIZE - 1),
op);
if (rc) {
XEN_PT_ERR(d, "%s mem mapping failed! (err: %i)\n",
adding ? "create new" : "remove old", errno);
}
}
}
| 24,159 |
qemu | 41074f3d3ff0e9a3c6f638627c12ebbf6d757cea | 0 | static void omap_inth_sir_update(struct omap_intr_handler_s *s, int is_fiq)
{
int i, j, sir_intr, p_intr, p, f;
uint32_t level;
sir_intr = 0;
p_intr = 255;
/* Find the interrupt line with the highest dynamic priority.
* Note: 0 denotes the hightest priority.
* If all interrupts have the same priority, the default order is IRQ_N,
* IRQ_N-1,...,IRQ_0. */
for (j = 0; j < s->nbanks; ++j) {
level = s->bank[j].irqs & ~s->bank[j].mask &
(is_fiq ? s->bank[j].fiq : ~s->bank[j].fiq);
for (f = ffs(level), i = f - 1, level >>= f - 1; f; i += f,
level >>= f) {
p = s->bank[j].priority[i];
if (p <= p_intr) {
p_intr = p;
sir_intr = 32 * j + i;
}
f = ffs(level >> 1);
}
}
s->sir_intr[is_fiq] = sir_intr;
}
| 24,163 |
qemu | a03ef88f77af045a2eb9629b5ce774a3fb973c5e | 0 | static int coroutine_fn bdrv_co_do_writev(BdrvChild *child,
int64_t sector_num, int nb_sectors, QEMUIOVector *qiov,
BdrvRequestFlags flags)
{
if (nb_sectors < 0 || nb_sectors > BDRV_REQUEST_MAX_SECTORS) {
return -EINVAL;
}
return bdrv_co_pwritev(child->bs, sector_num << BDRV_SECTOR_BITS,
nb_sectors << BDRV_SECTOR_BITS, qiov, flags);
}
| 24,165 |
FFmpeg | 08b520636e96ba6888b669b9b3f4c414631ea1d2 | 0 | static int decorrelate(TAKDecContext *s, int c1, int c2, int length)
{
GetBitContext *gb = &s->gb;
int32_t *p1 = s->decoded[c1] + (s->dmode > 5);
int32_t *p2 = s->decoded[c2] + (s->dmode > 5);
int32_t bp1 = p1[0];
int32_t bp2 = p2[0];
int i;
int dshift, dfactor;
length += s->dmode < 6;
switch (s->dmode) {
case 1: /* left/side */
s->tdsp.decorrelate_ls(p1, p2, length);
break;
case 2: /* side/right */
s->tdsp.decorrelate_sr(p1, p2, length);
break;
case 3: /* side/mid */
s->tdsp.decorrelate_sm(p1, p2, length);
break;
case 4: /* side/left with scale factor */
FFSWAP(int32_t*, p1, p2);
FFSWAP(int32_t, bp1, bp2);
case 5: /* side/right with scale factor */
dshift = get_bits_esc4(gb);
dfactor = get_sbits(gb, 10);
s->tdsp.decorrelate_sf(p1, p2, length, dshift, dfactor);
break;
case 6:
FFSWAP(int32_t*, p1, p2);
case 7: {
int length2, order_half, filter_order, dval1, dval2;
int tmp, x, code_size;
if (length < 256)
return AVERROR_INVALIDDATA;
dshift = get_bits_esc4(gb);
filter_order = 8 << get_bits1(gb);
dval1 = get_bits1(gb);
dval2 = get_bits1(gb);
for (i = 0; i < filter_order; i++) {
if (!(i & 3))
code_size = 14 - get_bits(gb, 3);
s->filter[i] = get_sbits(gb, code_size);
}
order_half = filter_order / 2;
length2 = length - (filter_order - 1);
/* decorrelate beginning samples */
if (dval1) {
for (i = 0; i < order_half; i++) {
int32_t a = p1[i];
int32_t b = p2[i];
p1[i] = a + b;
}
}
/* decorrelate ending samples */
if (dval2) {
for (i = length2 + order_half; i < length; i++) {
int32_t a = p1[i];
int32_t b = p2[i];
p1[i] = a + b;
}
}
for (i = 0; i < filter_order; i++)
s->residues[i] = *p2++ >> dshift;
p1 += order_half;
x = FF_ARRAY_ELEMS(s->residues) - filter_order;
for (; length2 > 0; length2 -= tmp) {
tmp = FFMIN(length2, x);
for (i = 0; i < tmp; i++)
s->residues[filter_order + i] = *p2++ >> dshift;
for (i = 0; i < tmp; i++) {
int v = 1 << 9;
if (filter_order == 16) {
v += s->adsp.scalarproduct_int16(&s->residues[i], s->filter,
filter_order);
} else {
v += s->residues[i + 7] * s->filter[7] +
s->residues[i + 6] * s->filter[6] +
s->residues[i + 5] * s->filter[5] +
s->residues[i + 4] * s->filter[4] +
s->residues[i + 3] * s->filter[3] +
s->residues[i + 2] * s->filter[2] +
s->residues[i + 1] * s->filter[1] +
s->residues[i ] * s->filter[0];
}
v = (av_clip_intp2(v >> 10, 13) << dshift) - *p1;
*p1++ = v;
}
memmove(s->residues, &s->residues[tmp], 2 * filter_order);
}
emms_c();
break;
}
}
if (s->dmode > 0 && s->dmode < 6) {
p1[0] = bp1;
p2[0] = bp2;
}
return 0;
}
| 24,166 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static MegasasCmd *megasas_lookup_frame(MegasasState *s,
target_phys_addr_t frame)
{
MegasasCmd *cmd = NULL;
int num = 0, index;
index = s->reply_queue_head;
while (num < s->fw_cmds) {
if (s->frames[index].pa && s->frames[index].pa == frame) {
cmd = &s->frames[index];
break;
}
index = megasas_next_index(s, index, s->fw_cmds);
num++;
}
return cmd;
}
| 24,167 |
FFmpeg | 77d2ef13a8fa630e5081f14bde3fd20f84c90aec | 1 | static int ebml_parse_elem(MatroskaDemuxContext *matroska,
EbmlSyntax *syntax, void *data)
{
static const uint64_t max_lengths[EBML_TYPE_COUNT] = {
[EBML_UINT] = 8,
[EBML_FLOAT] = 8,
// max. 16 MB for strings
[EBML_STR] = 0x1000000,
[EBML_UTF8] = 0x1000000,
// max. 256 MB for binary data
[EBML_BIN] = 0x10000000,
// no limits for anything else
};
AVIOContext *pb = matroska->ctx->pb;
uint32_t id = syntax->id;
uint64_t length;
int res;
data = (char *)data + syntax->data_offset;
if (syntax->list_elem_size) {
EbmlList *list = data;
list->elem = av_realloc(list->elem, (list->nb_elem+1)*syntax->list_elem_size);
data = (char*)list->elem + list->nb_elem*syntax->list_elem_size;
memset(data, 0, syntax->list_elem_size);
list->nb_elem++;
}
if (syntax->type != EBML_PASS && syntax->type != EBML_STOP) {
matroska->current_id = 0;
if ((res = ebml_read_length(matroska, pb, &length)) < 0)
return res;
if (max_lengths[syntax->type] && length > max_lengths[syntax->type]) {
av_log(matroska->ctx, AV_LOG_ERROR,
"Invalid length 0x%"PRIx64" > 0x%"PRIx64" for syntax element %i\n",
length, max_lengths[syntax->type], syntax->type);
return AVERROR_INVALIDDATA;
}
}
switch (syntax->type) {
case EBML_UINT: res = ebml_read_uint (pb, length, data); break;
case EBML_FLOAT: res = ebml_read_float (pb, length, data); break;
case EBML_STR:
case EBML_UTF8: res = ebml_read_ascii (pb, length, data); break;
case EBML_BIN: res = ebml_read_binary(pb, length, data); break;
case EBML_NEST: if ((res=ebml_read_master(matroska, length)) < 0)
return res;
if (id == MATROSKA_ID_SEGMENT)
matroska->segment_start = avio_tell(matroska->ctx->pb);
return ebml_parse_nest(matroska, syntax->def.n, data);
case EBML_PASS: return ebml_parse_id(matroska, syntax->def.n, id, data);
case EBML_STOP: return 1;
default: return avio_skip(pb,length)<0 ? AVERROR(EIO) : 0;
}
if (res == AVERROR_INVALIDDATA)
av_log(matroska->ctx, AV_LOG_ERROR, "Invalid element\n");
else if (res == AVERROR(EIO))
av_log(matroska->ctx, AV_LOG_ERROR, "Read error\n");
return res;
}
| 24,169 |
qemu | 791f97758e223de3290592d169f8e6339c281714 | 1 | static int ehci_init_transfer(EHCIPacket *p)
{
uint32_t cpage, offset, bytes, plen;
dma_addr_t page;
cpage = get_field(p->qtd.token, QTD_TOKEN_CPAGE);
bytes = get_field(p->qtd.token, QTD_TOKEN_TBYTES);
offset = p->qtd.bufptr[0] & ~QTD_BUFPTR_MASK;
qemu_sglist_init(&p->sgl, p->queue->ehci->device, 5, p->queue->ehci->as);
while (bytes > 0) {
if (cpage > 4) {
fprintf(stderr, "cpage out of range (%d)\n", cpage);
return -1;
}
page = p->qtd.bufptr[cpage] & QTD_BUFPTR_MASK;
page += offset;
plen = bytes;
if (plen > 4096 - offset) {
plen = 4096 - offset;
offset = 0;
cpage++;
}
qemu_sglist_add(&p->sgl, page, plen);
bytes -= plen;
}
return 0;
} | 24,170 |
qemu | 09b9418c6d085a0728372aa760ebd10128a020b1 | 1 | static target_long monitor_get_pc (const struct MonitorDef *md, int val)
{
CPUState *env = mon_get_cpu();
if (!env)
return 0;
return env->eip + env->segs[R_CS].base;
}
| 24,171 |
qemu | e41029b378b4a65a0b89b5a8dc087aca6b5d012d | 1 | static void gen_stswi(DisasContext *ctx)
{
TCGv t0;
TCGv_i32 t1, t2;
int nb = NB(ctx->opcode);
gen_set_access_type(ctx, ACCESS_INT);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
gen_addr_register(ctx, t0);
if (nb == 0)
nb = 32;
t1 = tcg_const_i32(nb);
t2 = tcg_const_i32(rS(ctx->opcode));
gen_helper_stsw(cpu_env, t0, t1, t2);
tcg_temp_free(t0);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t2);
}
| 24,172 |
qemu | b2d1fe67d09d2b6c7da647fbcea6ca0148c206d3 | 1 | static void bufp_alloc(USBRedirDevice *dev,
uint8_t *data, int len, int status, uint8_t ep)
{
struct buf_packet *bufp;
if (!dev->endpoint[EP2I(ep)].bufpq_dropping_packets &&
dev->endpoint[EP2I(ep)].bufpq_size >
2 * dev->endpoint[EP2I(ep)].bufpq_target_size) {
DPRINTF("bufpq overflow, dropping packets ep %02X\n", ep);
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 1;
}
/* Since we're interupting the stream anyways, drop enough packets to get
back to our target buffer size */
if (dev->endpoint[EP2I(ep)].bufpq_dropping_packets) {
if (dev->endpoint[EP2I(ep)].bufpq_size >
dev->endpoint[EP2I(ep)].bufpq_target_size) {
free(data);
return;
}
dev->endpoint[EP2I(ep)].bufpq_dropping_packets = 0;
}
bufp = g_malloc(sizeof(struct buf_packet));
bufp->data = data;
bufp->len = len;
bufp->status = status;
QTAILQ_INSERT_TAIL(&dev->endpoint[EP2I(ep)].bufpq, bufp, next);
dev->endpoint[EP2I(ep)].bufpq_size++;
}
| 24,173 |
qemu | 7237aecd7e8fcc3ccf7fded77b6c127b4df5d3ac | 1 | static int vmdk_open_vmfs_sparse(BlockDriverState *bs,
BlockDriverState *file,
int flags, Error **errp)
{
int ret;
uint32_t magic;
VMDK3Header header;
VmdkExtent *extent;
ret = bdrv_pread(file, sizeof(magic), &header, sizeof(header));
if (ret < 0) {
error_setg_errno(errp, -ret,
"Could not read header from file '%s'",
file->filename);
return ret;
}
ret = vmdk_add_extent(bs, file, false,
le32_to_cpu(header.disk_sectors),
le32_to_cpu(header.l1dir_offset) << 9,
0,
le32_to_cpu(header.l1dir_size),
4096,
le32_to_cpu(header.granularity),
&extent,
errp);
if (ret < 0) {
return ret;
}
ret = vmdk_init_tables(bs, extent, errp);
if (ret) {
/* free extent allocated by vmdk_add_extent */
vmdk_free_last_extent(bs);
}
return ret;
}
| 24,174 |
FFmpeg | 0dcfccaa691bf533b0f144b6d98b49eb59f1f3ab | 1 | static int au_write_header(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
AVCodecContext *enc = s->streams[0]->codec;
if (!enc->codec_tag)
return AVERROR(EINVAL);
ffio_wfourcc(pb, ".snd"); /* magic number */
avio_wb32(pb, AU_HEADER_SIZE); /* header size */
avio_wb32(pb, AU_UNKNOWN_SIZE); /* data size */
avio_wb32(pb, enc->codec_tag); /* codec ID */
avio_wb32(pb, enc->sample_rate);
avio_wb32(pb, enc->channels);
avio_wb64(pb, 0); /* annotation field */
avio_flush(pb);
return 0;
}
| 24,175 |
qemu | fc19f8a02e45c4d8ad24dd7eb374330b03dfc28e | 0 | static ssize_t nbd_co_receive_request(NBDRequest *req, struct nbd_request *request)
{
NBDClient *client = req->client;
int csock = client->sock;
ssize_t rc;
client->recv_coroutine = qemu_coroutine_self();
if (nbd_receive_request(csock, request) == -1) {
rc = -EIO;
goto out;
}
if (request->len > NBD_BUFFER_SIZE) {
LOG("len (%u) is larger than max len (%u)",
request->len, NBD_BUFFER_SIZE);
rc = -EINVAL;
goto out;
}
if ((request->from + request->len) < request->from) {
LOG("integer overflow detected! "
"you're probably being attacked");
rc = -EINVAL;
goto out;
}
TRACE("Decoding type");
if ((request->type & NBD_CMD_MASK_COMMAND) == NBD_CMD_WRITE) {
TRACE("Reading %u byte(s)", request->len);
if (qemu_co_recv(csock, req->data, request->len) != request->len) {
LOG("reading from socket failed");
rc = -EIO;
goto out;
}
}
rc = 0;
out:
client->recv_coroutine = NULL;
return rc;
}
| 24,176 |
qemu | 32902772833dbe424f754d5b841d996b90be87b2 | 0 | static int pci_vga_initfn(PCIDevice *dev)
{
PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev);
VGACommonState *s = &d->vga;
uint8_t *pci_conf = d->dev.config;
// vga + console init
vga_common_init(s, VGA_RAM_SIZE);
vga_init(s);
s->ds = graphic_console_init(s->update, s->invalidate,
s->screen_dump, s->text_update, s);
// dummy VGA (same as Bochs ID)
pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_QEMU);
pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_QEMU_VGA);
pci_config_set_class(pci_conf, PCI_CLASS_DISPLAY_VGA);
/* XXX: VGA_RAM_SIZE must be a power of two */
pci_register_bar(&d->dev, 0, VGA_RAM_SIZE,
PCI_BASE_ADDRESS_MEM_PREFETCH, vga_map);
if (!dev->rom_bar) {
/* compatibility with pc-0.13 and older */
vga_init_vbe(s);
}
return 0;
}
| 24,177 |
qemu | 4080a13c11398d684668d286da27b6f8ee668e44 | 0 | void portio_list_add(PortioList *piolist,
MemoryRegion *address_space,
uint32_t start)
{
const MemoryRegionPortio *pio, *pio_start = piolist->ports;
unsigned int off_low, off_high, off_last, count;
piolist->address_space = address_space;
/* Handle the first entry specially. */
off_last = off_low = pio_start->offset;
off_high = off_low + pio_start->len;
count = 1;
for (pio = pio_start + 1; pio->size != 0; pio++, count++) {
/* All entries must be sorted by offset. */
assert(pio->offset >= off_last);
off_last = pio->offset;
/* If we see a hole, break the region. */
if (off_last > off_high) {
portio_list_add_1(piolist, pio_start, count, start, off_low,
off_high);
/* ... and start collecting anew. */
pio_start = pio;
off_low = off_last;
off_high = off_low + pio->len;
count = 0;
} else if (off_last + pio->len > off_high) {
off_high = off_last + pio->len;
}
}
/* There will always be an open sub-list. */
portio_list_add_1(piolist, pio_start, count, start, off_low, off_high);
}
| 24,178 |
qemu | 3bba22de7cb9631452dad492c907affce6a69a3b | 0 | void qemu_console_resize(QEMUConsole *console, int width, int height)
{
if (console->g_width != width || console->g_height != height) {
console->g_width = width;
console->g_height = height;
if (active_console == console) {
dpy_resize(console->ds, width, height);
}
}
}
| 24,180 |
qemu | 61007b316cd71ee7333ff7a0a749a8949527575f | 0 | static void coroutine_fn bdrv_get_block_status_co_entry(void *opaque)
{
BdrvCoGetBlockStatusData *data = opaque;
BlockDriverState *bs = data->bs;
data->ret = bdrv_co_get_block_status(bs, data->sector_num, data->nb_sectors,
data->pnum);
data->done = true;
}
| 24,181 |
FFmpeg | 229843aa359ae0c9519977d7fa952688db63f559 | 0 | static int process_cc608(CCaptionSubContext *ctx, int64_t pts, uint8_t hi, uint8_t lo)
{
int ret = 0;
#define COR3(var, with1, with2, with3) ( (var) == (with1) || (var) == (with2) || (var) == (with3) )
if ( hi == ctx->prev_cmd[0] && lo == ctx->prev_cmd[1]) {
/* ignore redundant command */
} else if ( (hi == 0x10 && (lo >= 0x40 || lo <= 0x5f)) ||
( (hi >= 0x11 && hi <= 0x17) && (lo >= 0x40 && lo <= 0x7f) ) ) {
handle_pac(ctx, hi, lo);
} else if ( ( hi == 0x11 && lo >= 0x20 && lo <= 0x2f ) ||
( hi == 0x17 && lo >= 0x2e && lo <= 0x2f) ) {
handle_textattr(ctx, hi, lo);
} else if ( COR3(hi, 0x14, 0x15, 0x1C) && lo == 0x20 ) {
/* resume caption loading */
ctx->mode = CCMODE_POPON;
} else if ( COR3(hi, 0x14, 0x15, 0x1C) && lo == 0x24 ) {
handle_delete_end_of_row(ctx, hi, lo);
} else if ( COR3(hi, 0x14, 0x15, 0x1C) && lo == 0x25 ) {
ctx->rollup = 2;
ctx->mode = CCMODE_ROLLUP_2;
} else if ( COR3(hi, 0x14, 0x15, 0x1C) && lo == 0x26 ) {
ctx->rollup = 3;
ctx->mode = CCMODE_ROLLUP_3;
} else if ( COR3(hi, 0x14, 0x15, 0x1C) && lo == 0x27 ) {
ctx->rollup = 4;
ctx->mode = CCMODE_ROLLUP_4;
} else if ( COR3(hi, 0x14, 0x15, 0x1C) && lo == 0x29 ) {
/* resume direct captioning */
ctx->mode = CCMODE_PAINTON;
} else if ( COR3(hi, 0x14, 0x15, 0x1C) && lo == 0x2B ) {
/* resume text display */
ctx->mode = CCMODE_TEXT;
} else if ( COR3(hi, 0x14, 0x15, 0x1C) && lo == 0x2C ) {
/* erase display memory */
ret = handle_edm(ctx, pts);
} else if ( COR3(hi, 0x14, 0x15, 0x1C) && lo == 0x2D ) {
/* carriage return */
av_dlog(ctx, "carriage return\n");
reap_screen(ctx, pts);
roll_up(ctx);
ctx->screen_changed = 1;
ctx->cursor_column = 0;
} else if ( COR3(hi, 0x14, 0x15, 0x1C) && lo == 0x2F ) {
/* end of caption */
av_dlog(ctx, "handle_eoc\n");
ret = handle_eoc(ctx, pts);
} else if (hi>=0x20) {
/* Standard characters (always in pairs) */
handle_char(ctx, hi, lo, pts);
} else {
/* Ignoring all other non data code */
av_dlog(ctx, "Unknown command 0x%hhx 0x%hhx\n", hi, lo);
}
/* set prev command */
ctx->prev_cmd[0] = hi;
ctx->prev_cmd[1] = lo;
#undef COR3
return ret;
}
| 24,182 |
qemu | 0d7937974cd0504f30ad483c3368b21da426ddf9 | 0 | static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
{
uint32_t caps;
struct vmsvga_state_s *s = opaque;
switch (s->index) {
case SVGA_REG_ID:
return s->svgaid;
case SVGA_REG_ENABLE:
return s->enable;
case SVGA_REG_WIDTH:
return s->width;
case SVGA_REG_HEIGHT:
return s->height;
case SVGA_REG_MAX_WIDTH:
return SVGA_MAX_WIDTH;
case SVGA_REG_MAX_HEIGHT:
return SVGA_MAX_HEIGHT;
case SVGA_REG_DEPTH:
return s->depth;
case SVGA_REG_BITS_PER_PIXEL:
return (s->depth + 7) & ~7;
case SVGA_REG_PSEUDOCOLOR:
return 0x0;
case SVGA_REG_RED_MASK:
return s->wred;
case SVGA_REG_GREEN_MASK:
return s->wgreen;
case SVGA_REG_BLUE_MASK:
return s->wblue;
case SVGA_REG_BYTES_PER_LINE:
return ((s->depth + 7) >> 3) * s->new_width;
case SVGA_REG_FB_START: {
struct pci_vmsvga_state_s *pci_vmsvga
= container_of(s, struct pci_vmsvga_state_s, chip);
return pci_get_bar_addr(&pci_vmsvga->card, 1);
}
case SVGA_REG_FB_OFFSET:
return 0x0;
case SVGA_REG_VRAM_SIZE:
return s->vga.vram_size;
case SVGA_REG_FB_SIZE:
return s->fb_size;
case SVGA_REG_CAPABILITIES:
caps = SVGA_CAP_NONE;
#ifdef HW_RECT_ACCEL
caps |= SVGA_CAP_RECT_COPY;
#endif
#ifdef HW_FILL_ACCEL
caps |= SVGA_CAP_RECT_FILL;
#endif
#ifdef HW_MOUSE_ACCEL
if (dpy_cursor_define_supported(s->vga.ds)) {
caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 |
SVGA_CAP_CURSOR_BYPASS;
}
#endif
return caps;
case SVGA_REG_MEM_START: {
struct pci_vmsvga_state_s *pci_vmsvga
= container_of(s, struct pci_vmsvga_state_s, chip);
return pci_get_bar_addr(&pci_vmsvga->card, 2);
}
case SVGA_REG_MEM_SIZE:
return s->fifo_size;
case SVGA_REG_CONFIG_DONE:
return s->config;
case SVGA_REG_SYNC:
case SVGA_REG_BUSY:
return s->syncing;
case SVGA_REG_GUEST_ID:
return s->guest;
case SVGA_REG_CURSOR_ID:
return s->cursor.id;
case SVGA_REG_CURSOR_X:
return s->cursor.x;
case SVGA_REG_CURSOR_Y:
return s->cursor.x;
case SVGA_REG_CURSOR_ON:
return s->cursor.on;
case SVGA_REG_HOST_BITS_PER_PIXEL:
return (s->depth + 7) & ~7;
case SVGA_REG_SCRATCH_SIZE:
return s->scratch_size;
case SVGA_REG_MEM_REGS:
case SVGA_REG_NUM_DISPLAYS:
case SVGA_REG_PITCHLOCK:
case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
return 0;
default:
if (s->index >= SVGA_SCRATCH_BASE &&
s->index < SVGA_SCRATCH_BASE + s->scratch_size)
return s->scratch[s->index - SVGA_SCRATCH_BASE];
printf("%s: Bad register %02x\n", __FUNCTION__, s->index);
}
return 0;
}
| 24,183 |
qemu | 32bafa8fdd098d52fbf1102d5a5e48d29398c0aa | 0 | static void qemu_chr_parse_file_out(QemuOpts *opts, ChardevBackend *backend,
Error **errp)
{
const char *path = qemu_opt_get(opts, "path");
ChardevFile *file;
if (path == NULL) {
error_setg(errp, "chardev: file: no filename given");
return;
}
file = backend->u.file = g_new0(ChardevFile, 1);
qemu_chr_parse_common(opts, qapi_ChardevFile_base(file));
file->out = g_strdup(path);
file->has_append = true;
file->append = qemu_opt_get_bool(opts, "append", false);
}
| 24,184 |
qemu | c2fa30757a2ba1bb5b053883773a9a61fbdd7082 | 0 | nvdimm_dsm_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
{
AcpiNVDIMMState *state = opaque;
NvdimmDsmIn *in;
hwaddr dsm_mem_addr = val;
nvdimm_debug("dsm memory address %#" HWADDR_PRIx ".\n", dsm_mem_addr);
/*
* The DSM memory is mapped to guest address space so an evil guest
* can change its content while we are doing DSM emulation. Avoid
* this by copying DSM memory to QEMU local memory.
*/
in = g_new(NvdimmDsmIn, 1);
cpu_physical_memory_read(dsm_mem_addr, in, sizeof(*in));
le32_to_cpus(&in->revision);
le32_to_cpus(&in->function);
le32_to_cpus(&in->handle);
nvdimm_debug("Revision %#x Handler %#x Function %#x.\n", in->revision,
in->handle, in->function);
if (in->revision != 0x1 /* Currently we only support DSM Spec Rev1. */) {
nvdimm_debug("Revision %#x is not supported, expect %#x.\n",
in->revision, 0x1);
nvdimm_dsm_no_payload(1 /* Not Supported */, dsm_mem_addr);
goto exit;
}
if (in->handle == NVDIMM_QEMU_RSVD_HANDLE_ROOT) {
nvdimm_dsm_reserved_root(state, in, dsm_mem_addr);
goto exit;
}
/* Handle 0 is reserved for NVDIMM Root Device. */
if (!in->handle) {
nvdimm_dsm_root(in, dsm_mem_addr);
goto exit;
}
nvdimm_dsm_device(in, dsm_mem_addr);
exit:
g_free(in);
}
| 24,185 |
qemu | c208e8c2d88eea2bbafc2850d8856525637e495d | 0 | static BlockDriverAIOCB *hdev_aio_ioctl(BlockDriverState *bs,
unsigned long int req, void *buf,
BlockDriverCompletionFunc *cb, void *opaque)
{
BDRVRawState *s = bs->opaque;
if (fd_open(bs) < 0)
return NULL;
return paio_ioctl(bs, s->fd, req, buf, cb, opaque);
}
| 24,186 |
qemu | de1b9b85eff3dca42fe2cabe6e026cd2a2d5c769 | 0 | static void qxl_init_ramsize(PCIQXLDevice *qxl)
{
/* vga mode framebuffer / primary surface (bar 0, first part) */
if (qxl->vgamem_size_mb < 8) {
qxl->vgamem_size_mb = 8;
}
/* XXX: we round vgamem_size_mb up to a nearest power of two and it must be
* less than vga_common_init()'s maximum on qxl->vga.vram_size (512 now).
*/
if (qxl->vgamem_size_mb > 256) {
qxl->vgamem_size_mb = 256;
}
qxl->vgamem_size = qxl->vgamem_size_mb * 1024 * 1024;
/* vga ram (bar 0, total) */
if (qxl->ram_size_mb != -1) {
qxl->vga.vram_size = qxl->ram_size_mb * 1024 * 1024;
}
if (qxl->vga.vram_size < qxl->vgamem_size * 2) {
qxl->vga.vram_size = qxl->vgamem_size * 2;
}
/* vram32 (surfaces, 32bit, bar 1) */
if (qxl->vram32_size_mb != -1) {
qxl->vram32_size = qxl->vram32_size_mb * 1024 * 1024;
}
if (qxl->vram32_size < 4096) {
qxl->vram32_size = 4096;
}
/* vram (surfaces, 64bit, bar 4+5) */
if (qxl->vram_size_mb != -1) {
qxl->vram_size = qxl->vram_size_mb * 1024 * 1024;
}
if (qxl->vram_size < qxl->vram32_size) {
qxl->vram_size = qxl->vram32_size;
}
if (qxl->revision == 1) {
qxl->vram32_size = 4096;
qxl->vram_size = 4096;
}
qxl->vgamem_size = pow2ceil(qxl->vgamem_size);
qxl->vga.vram_size = pow2ceil(qxl->vga.vram_size);
qxl->vram32_size = pow2ceil(qxl->vram32_size);
qxl->vram_size = pow2ceil(qxl->vram_size);
}
| 24,187 |
qemu | eb46c5eda7d8b38c1407dd55f67cf4a6aa3b7b23 | 0 | static int rtl8139_config_writable(RTL8139State *s)
{
if (s->Cfg9346 & Cfg9346_Unlock)
{
return 1;
}
DPRINTF("Configuration registers are write-protected\n");
return 0;
}
| 24,188 |
qemu | 3356128cd13d7ec7689b7cddd3efbfbc5339a262 | 0 | static int vfio_container_do_ioctl(AddressSpace *as, int32_t groupid,
int req, void *param)
{
VFIOGroup *group;
VFIOContainer *container;
int ret = -1;
group = vfio_get_group(groupid, as);
if (!group) {
error_report("vfio: group %d not registered", groupid);
return ret;
}
container = group->container;
if (group->container) {
ret = ioctl(container->fd, req, param);
if (ret < 0) {
error_report("vfio: failed to ioctl %d to container: ret=%d, %s",
_IOC_NR(req) - VFIO_BASE, ret, strerror(errno));
}
}
vfio_put_group(group);
return ret;
}
| 24,189 |
qemu | 8e9b0d24fb986d4241ae3b77752eca5dab4cb486 | 0 | void vnc_flush(VncState *vs)
{
vnc_lock_output(vs);
if (vs->csock != -1 && (vs->output.offset
#ifdef CONFIG_VNC_WS
|| vs->ws_output.offset
#endif
)) {
vnc_client_write_locked(vs);
}
vnc_unlock_output(vs);
}
| 24,190 |
qemu | f090c9d4ad5812fb92843d6470a1111c15190c4c | 0 | static float32 roundAndPackFloat32( flag zSign, int16 zExp, bits32 zSig STATUS_PARAM)
{
int8 roundingMode;
flag roundNearestEven;
int8 roundIncrement, roundBits;
flag isTiny;
roundingMode = STATUS(float_rounding_mode);
roundNearestEven = ( roundingMode == float_round_nearest_even );
roundIncrement = 0x40;
if ( ! roundNearestEven ) {
if ( roundingMode == float_round_to_zero ) {
roundIncrement = 0;
}
else {
roundIncrement = 0x7F;
if ( zSign ) {
if ( roundingMode == float_round_up ) roundIncrement = 0;
}
else {
if ( roundingMode == float_round_down ) roundIncrement = 0;
}
}
}
roundBits = zSig & 0x7F;
if ( 0xFD <= (bits16) zExp ) {
if ( ( 0xFD < zExp )
|| ( ( zExp == 0xFD )
&& ( (sbits32) ( zSig + roundIncrement ) < 0 ) )
) {
float_raise( float_flag_overflow | float_flag_inexact STATUS_VAR);
return packFloat32( zSign, 0xFF, 0 ) - ( roundIncrement == 0 );
}
if ( zExp < 0 ) {
isTiny =
( STATUS(float_detect_tininess) == float_tininess_before_rounding )
|| ( zExp < -1 )
|| ( zSig + roundIncrement < 0x80000000 );
shift32RightJamming( zSig, - zExp, &zSig );
zExp = 0;
roundBits = zSig & 0x7F;
if ( isTiny && roundBits ) float_raise( float_flag_underflow STATUS_VAR);
}
}
if ( roundBits ) STATUS(float_exception_flags) |= float_flag_inexact;
zSig = ( zSig + roundIncrement )>>7;
zSig &= ~ ( ( ( roundBits ^ 0x40 ) == 0 ) & roundNearestEven );
if ( zSig == 0 ) zExp = 0;
return packFloat32( zSign, zExp, zSig );
}
| 24,191 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void omap_lpg_write(void *opaque, target_phys_addr_t addr,
uint64_t value, unsigned size)
{
struct omap_lpg_s *s = (struct omap_lpg_s *) opaque;
int offset = addr & OMAP_MPUI_REG_MASK;
if (size != 1) {
return omap_badwidth_write8(opaque, addr, value);
}
switch (offset) {
case 0x00: /* LCR */
if (~value & (1 << 6)) /* LPGRES */
omap_lpg_reset(s);
s->control = value & 0xff;
omap_lpg_update(s);
return;
case 0x04: /* PMR */
s->power = value & 0x01;
omap_lpg_update(s);
return;
default:
OMAP_BAD_REG(addr);
return;
}
}
| 24,192 |
FFmpeg | 5c2fb561d94fc51d76ab21d6f7cc5b6cc3aa599c | 0 | static int h264_find_frame_end(H264ParseContext *p, const uint8_t *buf,
int buf_size)
{
int i;
uint32_t state;
ParseContext *pc = &p->pc;
// mb_addr= pc->mb_addr - 1;
state = pc->state;
if (state > 13)
state = 7;
for (i = 0; i < buf_size; i++) {
if (state == 7) {
i += p->h264dsp.startcode_find_candidate(buf + i, buf_size - i);
if (i < buf_size)
state = 2;
} else if (state <= 2) {
if (buf[i] == 1)
state ^= 5; // 2->7, 1->4, 0->5
else if (buf[i])
state = 7;
else
state >>= 1; // 2->1, 1->0, 0->0
} else if (state <= 5) {
int nalu_type = buf[i] & 0x1F;
if (nalu_type == NAL_SEI || nalu_type == NAL_SPS ||
nalu_type == NAL_PPS || nalu_type == NAL_AUD) {
if (pc->frame_start_found) {
i++;
goto found;
}
} else if (nalu_type == NAL_SLICE || nalu_type == NAL_DPA ||
nalu_type == NAL_IDR_SLICE) {
if (pc->frame_start_found) {
state += 8;
continue;
} else
pc->frame_start_found = 1;
}
state = 7;
} else {
// first_mb_in_slice is 0, probably the first nal of a new slice
if (buf[i] & 0x80)
goto found;
state = 7;
}
}
pc->state = state;
return END_NOT_FOUND;
found:
pc->state = 7;
pc->frame_start_found = 0;
return i - (state & 5);
}
| 24,193 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static uint64_t omap_mpu_timer_read(void *opaque, target_phys_addr_t addr,
unsigned size)
{
struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque;
if (size != 4) {
return omap_badwidth_read32(opaque, addr);
}
switch (addr) {
case 0x00: /* CNTL_TIMER */
return (s->enable << 5) | (s->ptv << 2) | (s->ar << 1) | s->st;
case 0x04: /* LOAD_TIM */
break;
case 0x08: /* READ_TIM */
return omap_timer_read(s);
}
OMAP_BAD_REG(addr);
return 0;
}
| 24,194 |
qemu | b4d02820d95e025e57d82144f7b2ccd677ac2418 | 0 | void bdrv_close(BlockDriverState *bs)
{
BdrvAioNotifier *ban, *ban_next;
if (bs->job) {
block_job_cancel_sync(bs->job);
}
/* Disable I/O limits and drain all pending throttled requests */
if (bs->io_limits_enabled) {
bdrv_io_limits_disable(bs);
}
bdrv_drain(bs); /* complete I/O */
bdrv_flush(bs);
bdrv_drain(bs); /* in case flush left pending I/O */
notifier_list_notify(&bs->close_notifiers, bs);
if (bs->drv) {
BdrvChild *child, *next;
bs->drv->bdrv_close(bs);
bs->drv = NULL;
bdrv_set_backing_hd(bs, NULL);
if (bs->file != NULL) {
bdrv_unref_child(bs, bs->file);
bs->file = NULL;
}
QLIST_FOREACH_SAFE(child, &bs->children, next, next) {
/* TODO Remove bdrv_unref() from drivers' close function and use
* bdrv_unref_child() here */
if (child->bs->inherits_from == bs) {
child->bs->inherits_from = NULL;
}
bdrv_detach_child(child);
}
g_free(bs->opaque);
bs->opaque = NULL;
bs->copy_on_read = 0;
bs->backing_file[0] = '\0';
bs->backing_format[0] = '\0';
bs->total_sectors = 0;
bs->encrypted = 0;
bs->valid_key = 0;
bs->sg = 0;
bs->zero_beyond_eof = false;
QDECREF(bs->options);
bs->options = NULL;
QDECREF(bs->full_open_options);
bs->full_open_options = NULL;
}
if (bs->blk) {
blk_dev_change_media_cb(bs->blk, false);
}
QLIST_FOREACH_SAFE(ban, &bs->aio_notifiers, list, ban_next) {
g_free(ban);
}
QLIST_INIT(&bs->aio_notifiers);
}
| 24,195 |
qemu | 8917c3bdba37d6fe4393db0fad3fabbde9530d6b | 0 | void slirp_select_poll(fd_set *readfds, fd_set *writefds,
fd_set *xfds, int select_error)
{
}
| 24,196 |
qemu | 0919ac787641db11024912651f3bc5764d4f1286 | 0 | struct omap_mcbsp_s *omap_mcbsp_init(MemoryRegion *system_memory,
target_phys_addr_t base,
qemu_irq *irq, qemu_irq *dma, omap_clk clk)
{
struct omap_mcbsp_s *s = (struct omap_mcbsp_s *)
g_malloc0(sizeof(struct omap_mcbsp_s));
s->txirq = irq[0];
s->rxirq = irq[1];
s->txdrq = dma[0];
s->rxdrq = dma[1];
s->sink_timer = qemu_new_timer_ns(vm_clock, omap_mcbsp_sink_tick, s);
s->source_timer = qemu_new_timer_ns(vm_clock, omap_mcbsp_source_tick, s);
omap_mcbsp_reset(s);
memory_region_init_io(&s->iomem, &omap_mcbsp_ops, s, "omap-mcbsp", 0x800);
memory_region_add_subregion(system_memory, base, &s->iomem);
return s;
}
| 24,197 |
qemu | 210b580b106fa798149e28aa13c66b325a43204e | 0 | static target_ulong h_rtas(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong opcode, target_ulong *args)
{
target_ulong rtas_r3 = args[0];
uint32_t token = ldl_be_phys(rtas_r3);
uint32_t nargs = ldl_be_phys(rtas_r3 + 4);
uint32_t nret = ldl_be_phys(rtas_r3 + 8);
return spapr_rtas_call(spapr, token, nargs, rtas_r3 + 12,
nret, rtas_r3 + 12 + 4*nargs);
}
| 24,198 |
qemu | cfdf2c40577ed99bb19cdc05d0537e2808d77a78 | 0 | static void do_info_balloon(Monitor *mon, QObject **ret_data)
{
ram_addr_t actual;
actual = qemu_balloon_status();
if (kvm_enabled() && !kvm_has_sync_mmu())
qemu_error_new(QERR_KVM_MISSING_CAP, "synchronous MMU", "balloon");
else if (actual == 0)
qemu_error_new(QERR_DEVICE_NOT_ACTIVE, "balloon");
else
*ret_data = qobject_from_jsonf("{ 'balloon': %" PRId64 "}",
(int64_t) actual);
}
| 24,202 |
qemu | cd41a671b370a3dd603963432d2b02f1e5990fb7 | 0 | static void virtio_scsi_hotplug(SCSIBus *bus, SCSIDevice *dev)
{
VirtIOSCSI *s = container_of(bus, VirtIOSCSI, bus);
if (((s->vdev.guest_features >> VIRTIO_SCSI_F_HOTPLUG) & 1) &&
(s->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK)) {
virtio_scsi_push_event(s, dev, VIRTIO_SCSI_T_TRANSPORT_RESET,
VIRTIO_SCSI_EVT_RESET_RESCAN);
}
}
| 24,203 |
qemu | bd269ebc82fbaa5fe7ce5bc7c1770ac8acecd884 | 0 | void qio_channel_socket_listen_async(QIOChannelSocket *ioc,
SocketAddressLegacy *addr,
QIOTaskFunc callback,
gpointer opaque,
GDestroyNotify destroy)
{
QIOTask *task = qio_task_new(
OBJECT(ioc), callback, opaque, destroy);
SocketAddressLegacy *addrCopy;
addrCopy = QAPI_CLONE(SocketAddressLegacy, addr);
/* socket_listen() blocks in DNS lookups, so we must use a thread */
trace_qio_channel_socket_listen_async(ioc, addr);
qio_task_run_in_thread(task,
qio_channel_socket_listen_worker,
addrCopy,
(GDestroyNotify)qapi_free_SocketAddressLegacy);
}
| 24,204 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static void bmdma_write(void *opaque, target_phys_addr_t addr,
uint64_t val, unsigned size)
{
BMDMAState *bm = opaque;
if (size != 1) {
return;
}
#ifdef DEBUG_IDE
printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val);
#endif
switch (addr & 3) {
case 0:
bmdma_cmd_writeb(bm, val);
break;
case 2:
bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06);
break;
default:;
}
}
| 24,207 |
qemu | 84a12e6648444f517055138a7d7f25a22d7e1029 | 0 | int bdrv_open(BlockDriverState *bs, const char *filename, int flags,
BlockDriver *drv)
{
int ret, open_flags;
char tmp_filename[PATH_MAX];
char backing_filename[PATH_MAX];
bs->is_temporary = 0;
bs->encrypted = 0;
bs->valid_key = 0;
bs->open_flags = flags;
/* buffer_alignment defaulted to 512, drivers can change this value */
bs->buffer_alignment = 512;
if (flags & BDRV_O_SNAPSHOT) {
BlockDriverState *bs1;
int64_t total_size;
int is_protocol = 0;
BlockDriver *bdrv_qcow2;
QEMUOptionParameter *options;
/* if snapshot, we create a temporary backing file and open it
instead of opening 'filename' directly */
/* if there is a backing file, use it */
bs1 = bdrv_new("");
ret = bdrv_open(bs1, filename, 0, drv);
if (ret < 0) {
bdrv_delete(bs1);
return ret;
}
total_size = bdrv_getlength(bs1) >> BDRV_SECTOR_BITS;
if (bs1->drv && bs1->drv->protocol_name)
is_protocol = 1;
bdrv_delete(bs1);
get_tmp_filename(tmp_filename, sizeof(tmp_filename));
/* Real path is meaningless for protocols */
if (is_protocol)
snprintf(backing_filename, sizeof(backing_filename),
"%s", filename);
else if (!realpath(filename, backing_filename))
return -errno;
bdrv_qcow2 = bdrv_find_format("qcow2");
options = parse_option_parameters("", bdrv_qcow2->create_options, NULL);
set_option_parameter_int(options, BLOCK_OPT_SIZE, total_size * 512);
set_option_parameter(options, BLOCK_OPT_BACKING_FILE, backing_filename);
if (drv) {
set_option_parameter(options, BLOCK_OPT_BACKING_FMT,
drv->format_name);
}
ret = bdrv_create(bdrv_qcow2, tmp_filename, options);
if (ret < 0) {
return ret;
}
filename = tmp_filename;
drv = bdrv_qcow2;
bs->is_temporary = 1;
}
pstrcpy(bs->filename, sizeof(bs->filename), filename);
if (!drv) {
drv = find_hdev_driver(filename);
if (!drv) {
drv = find_image_format(filename);
}
}
if (!drv) {
ret = -ENOENT;
goto unlink_and_fail;
}
if (use_bdrv_whitelist && !bdrv_is_whitelisted(drv)) {
ret = -ENOTSUP;
goto unlink_and_fail;
}
bs->drv = drv;
bs->opaque = qemu_mallocz(drv->instance_size);
/*
* Yes, BDRV_O_NOCACHE aka O_DIRECT means we have to present a
* write cache to the guest. We do need the fdatasync to flush
* out transactions for block allocations, and we maybe have a
* volatile write cache in our backing device to deal with.
*/
if (flags & (BDRV_O_CACHE_WB|BDRV_O_NOCACHE))
bs->enable_write_cache = 1;
/*
* Clear flags that are internal to the block layer before opening the
* image.
*/
open_flags = flags & ~(BDRV_O_SNAPSHOT | BDRV_O_NO_BACKING);
/*
* Snapshots should be writeable.
*/
if (bs->is_temporary) {
open_flags |= BDRV_O_RDWR;
}
ret = drv->bdrv_open(bs, filename, open_flags);
if (ret < 0) {
goto free_and_fail;
}
bs->keep_read_only = bs->read_only = !(open_flags & BDRV_O_RDWR);
if (drv->bdrv_getlength) {
bs->total_sectors = bdrv_getlength(bs) >> BDRV_SECTOR_BITS;
}
#ifndef _WIN32
if (bs->is_temporary) {
unlink(filename);
}
#endif
if ((flags & BDRV_O_NO_BACKING) == 0 && bs->backing_file[0] != '\0') {
/* if there is a backing file, use it */
BlockDriver *back_drv = NULL;
bs->backing_hd = bdrv_new("");
path_combine(backing_filename, sizeof(backing_filename),
filename, bs->backing_file);
if (bs->backing_format[0] != '\0')
back_drv = bdrv_find_format(bs->backing_format);
/* backing files always opened read-only */
open_flags &= ~BDRV_O_RDWR;
ret = bdrv_open(bs->backing_hd, backing_filename, open_flags, back_drv);
if (ret < 0) {
bdrv_close(bs);
return ret;
}
if (bs->is_temporary) {
bs->backing_hd->keep_read_only = !(flags & BDRV_O_RDWR);
} else {
/* base image inherits from "parent" */
bs->backing_hd->keep_read_only = bs->keep_read_only;
}
}
if (!bdrv_key_required(bs)) {
/* call the change callback */
bs->media_changed = 1;
if (bs->change_cb)
bs->change_cb(bs->change_opaque);
}
return 0;
free_and_fail:
qemu_free(bs->opaque);
bs->opaque = NULL;
bs->drv = NULL;
unlink_and_fail:
if (bs->is_temporary)
unlink(filename);
return ret;
}
| 24,208 |
qemu | 92c0bba9a95739c92e959fe478cb1acb92fa5446 | 0 | static uint32_t omap_l4_io_readw(void *opaque, target_phys_addr_t addr)
{
unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
return omap_l4_io_readw_fn[i](omap_l4_io_opaque[i], addr);
}
| 24,209 |
qemu | 3661049fec64ffd7ab008e57e396881c6a4b53a4 | 0 | PCIBus *typhoon_init(ram_addr_t ram_size, ISABus **isa_bus,
qemu_irq *p_rtc_irq,
AlphaCPU *cpus[4], pci_map_irq_fn sys_map_irq)
{
const uint64_t MB = 1024 * 1024;
const uint64_t GB = 1024 * MB;
MemoryRegion *addr_space = get_system_memory();
DeviceState *dev;
TyphoonState *s;
PCIHostState *phb;
PCIBus *b;
int i;
dev = qdev_create(NULL, TYPE_TYPHOON_PCI_HOST_BRIDGE);
qdev_init_nofail(dev);
s = TYPHOON_PCI_HOST_BRIDGE(dev);
phb = PCI_HOST_BRIDGE(dev);
/* Remember the CPUs so that we can deliver interrupts to them. */
for (i = 0; i < 4; i++) {
AlphaCPU *cpu = cpus[i];
s->cchip.cpu[i] = cpu;
if (cpu != NULL) {
cpu->alarm_timer = qemu_new_timer_ns(rtc_clock,
typhoon_alarm_timer,
(void *)((uintptr_t)s + i));
}
}
*p_rtc_irq = *qemu_allocate_irqs(typhoon_set_timer_irq, s, 1);
/* Main memory region, 0x00.0000.0000. Real hardware supports 32GB,
but the address space hole reserved at this point is 8TB. */
memory_region_init_ram(&s->ram_region, OBJECT(s), "ram", ram_size);
vmstate_register_ram_global(&s->ram_region);
memory_region_add_subregion(addr_space, 0, &s->ram_region);
/* TIGbus, 0x801.0000.0000, 1GB. */
/* ??? The TIGbus is used for delivering interrupts, and access to
the flash ROM. I'm not sure that we need to implement it at all. */
/* Pchip0 CSRs, 0x801.8000.0000, 256MB. */
memory_region_init_io(&s->pchip.region, OBJECT(s), &pchip_ops, s, "pchip0",
256*MB);
memory_region_add_subregion(addr_space, 0x80180000000ULL,
&s->pchip.region);
/* Cchip CSRs, 0x801.A000.0000, 256MB. */
memory_region_init_io(&s->cchip.region, OBJECT(s), &cchip_ops, s, "cchip0",
256*MB);
memory_region_add_subregion(addr_space, 0x801a0000000ULL,
&s->cchip.region);
/* Dchip CSRs, 0x801.B000.0000, 256MB. */
memory_region_init_io(&s->dchip_region, OBJECT(s), &dchip_ops, s, "dchip0",
256*MB);
memory_region_add_subregion(addr_space, 0x801b0000000ULL,
&s->dchip_region);
/* Pchip0 PCI memory, 0x800.0000.0000, 4GB. */
memory_region_init(&s->pchip.reg_mem, OBJECT(s), "pci0-mem", 4*GB);
memory_region_add_subregion(addr_space, 0x80000000000ULL,
&s->pchip.reg_mem);
/* Pchip0 PCI I/O, 0x801.FC00.0000, 32MB. */
memory_region_init(&s->pchip.reg_io, OBJECT(s), "pci0-io", 32*MB);
memory_region_add_subregion(addr_space, 0x801fc000000ULL,
&s->pchip.reg_io);
b = pci_register_bus(dev, "pci",
typhoon_set_irq, sys_map_irq, s,
&s->pchip.reg_mem, &s->pchip.reg_io,
0, 64, TYPE_PCI_BUS);
phb->bus = b;
/* Pchip0 PCI special/interrupt acknowledge, 0x801.F800.0000, 64MB. */
memory_region_init_io(&s->pchip.reg_iack, OBJECT(s), &alpha_pci_iack_ops,
b, "pci0-iack", 64*MB);
memory_region_add_subregion(addr_space, 0x801f8000000ULL,
&s->pchip.reg_iack);
/* Pchip0 PCI configuration, 0x801.FE00.0000, 16MB. */
memory_region_init_io(&s->pchip.reg_conf, OBJECT(s), &alpha_pci_conf1_ops,
b, "pci0-conf", 16*MB);
memory_region_add_subregion(addr_space, 0x801fe000000ULL,
&s->pchip.reg_conf);
/* For the record, these are the mappings for the second PCI bus.
We can get away with not implementing them because we indicate
via the Cchip.CSC<PIP> bit that Pchip1 is not present. */
/* Pchip1 PCI memory, 0x802.0000.0000, 4GB. */
/* Pchip1 CSRs, 0x802.8000.0000, 256MB. */
/* Pchip1 PCI special/interrupt acknowledge, 0x802.F800.0000, 64MB. */
/* Pchip1 PCI I/O, 0x802.FC00.0000, 32MB. */
/* Pchip1 PCI configuration, 0x802.FE00.0000, 16MB. */
/* Init the ISA bus. */
/* ??? Technically there should be a cy82c693ub pci-isa bridge. */
{
qemu_irq isa_pci_irq, *isa_irqs;
*isa_bus = isa_bus_new(NULL, &s->pchip.reg_io);
isa_pci_irq = *qemu_allocate_irqs(typhoon_set_isa_irq, s, 1);
isa_irqs = i8259_init(*isa_bus, isa_pci_irq);
isa_bus_irqs(*isa_bus, isa_irqs);
}
return b;
}
| 24,210 |
qemu | 7d5e199ade76c53ec316ab6779800581bb47c50a | 0 | static void qmp_output_end_struct(Visitor *v, void **obj)
{
QmpOutputVisitor *qov = to_qov(v);
QObject *value = qmp_output_pop(qov, obj);
assert(qobject_type(value) == QTYPE_QDICT);
}
| 24,211 |
qemu | 6ecd0b6ba0591ef280ed984103924d4bdca5ac32 | 0 | static void pmuserenr_write(CPUARMState *env, const ARMCPRegInfo *ri,
uint64_t value)
{
env->cp15.c9_pmuserenr = value & 1;
}
| 24,214 |
qemu | f8b6cc0070aab8b75bd082582c829be1353f395f | 0 | static int parse_drive(DeviceState *dev, Property *prop, const char *str)
{
DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
*ptr = drive_get_by_id(str);
if (*ptr == NULL)
return -ENOENT;
return 0;
}
| 24,215 |
FFmpeg | e45a2872fafe631c14aee9f79d0963d68c4fc1fd | 0 | void put_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
POWERPC_TBL_DECLARE(altivec_put_pixels8_xy2_num, 1);
#ifdef ALTIVEC_USE_REFERENCE_C_CODE
int j;
POWERPC_TBL_START_COUNT(altivec_put_pixels8_xy2_num, 1);
for (j = 0; j < 2; j++) {
int i;
const uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
const uint32_t b =
(((const struct unaligned_32 *) (pixels + 1))->l);
uint32_t l0 =
(a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
uint32_t h0 =
((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
uint32_t l1, h1;
pixels += line_size;
for (i = 0; i < h; i += 2) {
uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
uint32_t b = (((const struct unaligned_32 *) (pixels + 1))->l);
l1 = (a & 0x03030303UL) + (b & 0x03030303UL);
h1 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
*((uint32_t *) block) =
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
pixels += line_size;
block += line_size;
a = (((const struct unaligned_32 *) (pixels))->l);
b = (((const struct unaligned_32 *) (pixels + 1))->l);
l0 = (a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
h0 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
*((uint32_t *) block) =
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
pixels += line_size;
block += line_size;
} pixels += 4 - line_size * (h + 1);
block += 4 - line_size * h;
}
POWERPC_TBL_STOP_COUNT(altivec_put_pixels8_xy2_num, 1);
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
register int i;
register vector unsigned char
pixelsv1, pixelsv2,
pixelsavg;
register vector unsigned char
blockv, temp1, temp2;
register vector unsigned short
pixelssum1, pixelssum2, temp3;
register const vector unsigned char vczero = (const vector unsigned char)vec_splat_u8(0);
register const vector unsigned short vctwo = (const vector unsigned short)vec_splat_u16(2);
temp1 = vec_ld(0, pixels);
temp2 = vec_ld(16, pixels);
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F)
{
pixelsv2 = temp2;
}
else
{
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels));
}
pixelsv1 = vec_mergeh(vczero, pixelsv1);
pixelsv2 = vec_mergeh(vczero, pixelsv2);
pixelssum1 = vec_add((vector unsigned short)pixelsv1,
(vector unsigned short)pixelsv2);
pixelssum1 = vec_add(pixelssum1, vctwo);
POWERPC_TBL_START_COUNT(altivec_put_pixels8_xy2_num, 1);
for (i = 0; i < h ; i++) {
int rightside = ((unsigned long)block & 0x0000000F);
blockv = vec_ld(0, block);
temp1 = vec_ld(line_size, pixels);
temp2 = vec_ld(line_size + 16, pixels);
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels));
if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F)
{
pixelsv2 = temp2;
}
else
{
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels));
}
pixelsv1 = vec_mergeh(vczero, pixelsv1);
pixelsv2 = vec_mergeh(vczero, pixelsv2);
pixelssum2 = vec_add((vector unsigned short)pixelsv1,
(vector unsigned short)pixelsv2);
temp3 = vec_add(pixelssum1, pixelssum2);
temp3 = vec_sra(temp3, vctwo);
pixelssum1 = vec_add(pixelssum2, vctwo);
pixelsavg = vec_packsu(temp3, (vector unsigned short) vczero);
if (rightside)
{
blockv = vec_perm(blockv, pixelsavg, vcprm(0, 1, s0, s1));
}
else
{
blockv = vec_perm(blockv, pixelsavg, vcprm(s0, s1, 2, 3));
}
vec_st(blockv, 0, block);
block += line_size;
pixels += line_size;
}
POWERPC_TBL_STOP_COUNT(altivec_put_pixels8_xy2_num, 1);
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
}
| 24,216 |
qemu | e4533c7a8cdcc79ccdf695f0aaa2e23a5b926ed0 | 0 | void cpu_x86_interrupt(CPUX86State *s)
{
s->interrupt_request = 1;
}
| 24,217 |
qemu | c83c66c3b58893a4dc056e272822beb88fe9ec7f | 0 | void hmp_block_stream(Monitor *mon, const QDict *qdict)
{
Error *error = NULL;
const char *device = qdict_get_str(qdict, "device");
const char *base = qdict_get_try_str(qdict, "base");
qmp_block_stream(device, base != NULL, base, &error);
hmp_handle_error(mon, &error);
}
| 24,220 |
FFmpeg | 0ecca7a49f8e254c12a3a1de048d738bfbb614c6 | 1 | static int flic_read_packet(AVFormatContext *s,
AVPacket *pkt)
{
FlicDemuxContext *flic = (FlicDemuxContext *)s->priv_data;
ByteIOContext *pb = &s->pb;
int packet_read = 0;
unsigned int size;
int magic;
int ret = 0;
unsigned char preamble[FLIC_PREAMBLE_SIZE];
while (!packet_read) {
if ((ret = get_buffer(pb, preamble, FLIC_PREAMBLE_SIZE)) !=
FLIC_PREAMBLE_SIZE) {
ret = AVERROR_IO;
break;
}
size = LE_32(&preamble[0]);
magic = LE_16(&preamble[4]);
if ((magic == FLIC_CHUNK_MAGIC_1) || (magic == FLIC_CHUNK_MAGIC_2)) {
if (av_new_packet(pkt, size)) {
ret = AVERROR_IO;
break;
}
pkt->stream_index = flic->video_stream_index;
pkt->pts = flic->pts;
memcpy(pkt->data, preamble, FLIC_PREAMBLE_SIZE);
ret = get_buffer(pb, pkt->data + FLIC_PREAMBLE_SIZE,
size - FLIC_PREAMBLE_SIZE);
if (ret != size - FLIC_PREAMBLE_SIZE) {
av_free_packet(pkt);
ret = AVERROR_IO;
}
flic->pts += flic->frame_pts_inc;
packet_read = 1;
} else {
/* not interested in this chunk */
url_fseek(pb, size - 6, SEEK_CUR);
}
}
return ret;
}
| 24,223 |
FFmpeg | 4c7b023d56e09a78a587d036db1b64bf7c493b3d | 0 | static int get_ref_idx(AVFrame *frame)
{
FrameDecodeData *fdd;
NVDECFrame *cf;
if (!frame || !frame->private_ref)
return -1;
fdd = (FrameDecodeData*)frame->private_ref->data;
cf = (NVDECFrame*)fdd->hwaccel_priv;
return cf->idx;
}
| 24,225 |
FFmpeg | a26e1d4c1f7c93d24250dd9c0786241f92fcdea4 | 0 | static int put_packetheader(NUTContext *nut, ByteIOContext *bc, int max_size, int calculate_checksum)
{
put_flush_packet(bc);
nut->packet_start[2]= url_ftell(bc) - 8;
nut->written_packet_size = max_size;
if(calculate_checksum)
init_checksum(bc, update_adler32, 0);
/* packet header */
put_v(bc, nut->written_packet_size); /* forward ptr */
return 0;
}
| 24,228 |
FFmpeg | 4bb9adcff1be7ccbb6b8fab40cd68b3808544edc | 0 | inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth, uint8_t *src1, uint8_t *src2,
int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter,
int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode,
int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
int32_t *mmx2FilterPos, uint8_t *pal)
{
if (srcFormat==PIX_FMT_YUYV422)
{
RENAME(yuy2ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (srcFormat==PIX_FMT_UYVY422)
{
RENAME(uyvyToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (srcFormat==PIX_FMT_RGB32)
{
if(c->chrSrcHSubSample)
RENAME(bgr32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
else
RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (srcFormat==PIX_FMT_RGB32_1)
{
if(c->chrSrcHSubSample)
RENAME(bgr32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
else
RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (srcFormat==PIX_FMT_BGR24)
{
if(c->chrSrcHSubSample)
RENAME(bgr24ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
else
RENAME(bgr24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (srcFormat==PIX_FMT_BGR565)
{
if(c->chrSrcHSubSample)
RENAME(bgr16ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
else
RENAME(bgr16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (srcFormat==PIX_FMT_BGR555)
{
if(c->chrSrcHSubSample)
RENAME(bgr15ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
else
RENAME(bgr15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (srcFormat==PIX_FMT_BGR32)
{
if(c->chrSrcHSubSample)
RENAME(rgb32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
else
RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (srcFormat==PIX_FMT_BGR32_1)
{
if(c->chrSrcHSubSample)
RENAME(rgb32ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
else
RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (srcFormat==PIX_FMT_RGB24)
{
if(c->chrSrcHSubSample)
RENAME(rgb24ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
else
RENAME(rgb24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (srcFormat==PIX_FMT_RGB565)
{
if(c->chrSrcHSubSample)
RENAME(rgb16ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
else
RENAME(rgb16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (srcFormat==PIX_FMT_RGB555)
{
if(c->chrSrcHSubSample)
RENAME(rgb15ToUV_half)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
else
RENAME(rgb15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
else if (isGray(srcFormat) || srcFormat==PIX_FMT_MONOBLACK || PIX_FMT_MONOWHITE)
{
return;
}
else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE || srcFormat==PIX_FMT_RGB4_BYTE)
{
RENAME(palToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, (uint32_t*)pal);
src1= formatConvBuffer;
src2= formatConvBuffer+VOFW;
}
#ifdef HAVE_MMX
// Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
#else
if (!(flags&SWS_FAST_BILINEAR))
#endif
{
RENAME(hScale)(dst , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
RENAME(hScale)(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
}
else // fast bilinear upscale / crap downscale
{
#if defined(ARCH_X86)
#ifdef HAVE_MMX2
int i;
#if defined(PIC)
uint64_t ebxsave __attribute__((aligned(8)));
#endif
if (canMMX2BeUsed)
{
asm volatile(
#if defined(PIC)
"mov %%"REG_b", %6 \n\t"
#endif
"pxor %%mm7, %%mm7 \n\t"
"mov %0, %%"REG_c" \n\t"
"mov %1, %%"REG_D" \n\t"
"mov %2, %%"REG_d" \n\t"
"mov %3, %%"REG_b" \n\t"
"xor %%"REG_a", %%"REG_a" \n\t" // i
PREFETCH" (%%"REG_c") \n\t"
PREFETCH" 32(%%"REG_c") \n\t"
PREFETCH" 64(%%"REG_c") \n\t"
#ifdef ARCH_X86_64
#define FUNNY_UV_CODE \
"movl (%%"REG_b"), %%esi \n\t"\
"call *%4 \n\t"\
"movl (%%"REG_b", %%"REG_a"), %%esi \n\t"\
"add %%"REG_S", %%"REG_c" \n\t"\
"add %%"REG_a", %%"REG_D" \n\t"\
"xor %%"REG_a", %%"REG_a" \n\t"\
#else
#define FUNNY_UV_CODE \
"movl (%%"REG_b"), %%esi \n\t"\
"call *%4 \n\t"\
"addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
"add %%"REG_a", %%"REG_D" \n\t"\
"xor %%"REG_a", %%"REG_a" \n\t"\
#endif /* ARCH_X86_64 */
FUNNY_UV_CODE
FUNNY_UV_CODE
FUNNY_UV_CODE
FUNNY_UV_CODE
"xor %%"REG_a", %%"REG_a" \n\t" // i
"mov %5, %%"REG_c" \n\t" // src
"mov %1, %%"REG_D" \n\t" // buf1
"add $"AV_STRINGIFY(VOF)", %%"REG_D" \n\t"
PREFETCH" (%%"REG_c") \n\t"
PREFETCH" 32(%%"REG_c") \n\t"
PREFETCH" 64(%%"REG_c") \n\t"
FUNNY_UV_CODE
FUNNY_UV_CODE
FUNNY_UV_CODE
FUNNY_UV_CODE
#if defined(PIC)
"mov %6, %%"REG_b" \n\t"
#endif
:: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
"m" (funnyUVCode), "m" (src2)
#if defined(PIC)
,"m" (ebxsave)
#endif
: "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
#if !defined(PIC)
,"%"REG_b
#endif
);
for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
{
//printf("%d %d %d\n", dstWidth, i, srcW);
dst[i] = src1[srcW-1]*128;
dst[i+VOFW] = src2[srcW-1]*128;
}
}
else
{
#endif /* HAVE_MMX2 */
long xInc_shr16 = (long) (xInc >> 16);
uint16_t xInc_mask = xInc & 0xffff;
asm volatile(
"xor %%"REG_a", %%"REG_a" \n\t" // i
"xor %%"REG_d", %%"REG_d" \n\t" // xx
"xorl %%ecx, %%ecx \n\t" // 2*xalpha
ASMALIGN(4)
"1: \n\t"
"mov %0, %%"REG_S" \n\t"
"movzbl (%%"REG_S", %%"REG_d"), %%edi \n\t" //src[xx]
"movzbl 1(%%"REG_S", %%"REG_d"), %%esi \n\t" //src[xx+1]
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"mov %1, %%"REG_D" \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, (%%"REG_D", %%"REG_a", 2) \n\t"
"movzbl (%5, %%"REG_d"), %%edi \n\t" //src[xx]
"movzbl 1(%5, %%"REG_d"), %%esi \n\t" //src[xx+1]
"subl %%edi, %%esi \n\t" //src[xx+1] - src[xx]
"imull %%ecx, %%esi \n\t" //(src[xx+1] - src[xx])*2*xalpha
"shll $16, %%edi \n\t"
"addl %%edi, %%esi \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
"mov %1, %%"REG_D" \n\t"
"shrl $9, %%esi \n\t"
"movw %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2) \n\t"
"addw %4, %%cx \n\t" //2*xalpha += xInc&0xFF
"adc %3, %%"REG_d" \n\t" //xx+= xInc>>8 + carry
"add $1, %%"REG_a" \n\t"
"cmp %2, %%"REG_a" \n\t"
" jb 1b \n\t"
/* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,
which is needed to support GCC 4.0. */
#if defined(ARCH_X86_64) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
:: "m" (src1), "m" (dst), "g" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
#else
:: "m" (src1), "m" (dst), "m" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
#endif
"r" (src2)
: "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
);
#ifdef HAVE_MMX2
} //if MMX2 can't be used
#endif
#else
int i;
unsigned int xpos=0;
for (i=0;i<dstWidth;i++)
{
register unsigned int xx=xpos>>16;
register unsigned int xalpha=(xpos&0xFFFF)>>9;
dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
dst[i+VOFW]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
/* slower
dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;
dst[i+VOFW]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;
*/
xpos+=xInc;
}
#endif /* defined(ARCH_X86) */
}
if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
int i;
//FIXME all pal and rgb srcFormats could do this convertion as well
//FIXME all scalers more complex than bilinear could do half of this transform
if(c->srcRange){
for (i=0; i<dstWidth; i++){
dst[i ]= (dst[i ]*1799 + 4081085)>>11; //1469
dst[i+VOFW]= (dst[i+VOFW]*1799 + 4081085)>>11; //1469
}
}else{
for (i=0; i<dstWidth; i++){
dst[i ]= (FFMIN(dst[i ],30775)*4663 - 9289992)>>12; //-264
dst[i+VOFW]= (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264
}
}
}
}
| 24,229 |
FFmpeg | a04c2c707de2ce850f79870e84ac9d7ec7aa9143 | 1 | int avpriv_unlock_avformat(void)
{
if (lockmgr_cb) {
if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE))
return -1;
}
return 0;
}
| 24,232 |
qemu | e318a60b94b152c1e80125861a8917ae177d845e | 1 | static int disas_neon_ls_insn(CPUState * env, DisasContext *s, uint32_t insn)
{
int rd, rn, rm;
int op;
int nregs;
int interleave;
int spacing;
int stride;
int size;
int reg;
int pass;
int load;
int shift;
int n;
TCGv addr;
TCGv tmp;
TCGv tmp2;
TCGv_i64 tmp64;
if (!s->vfp_enabled)
return 1;
VFP_DREG_D(rd, insn);
rn = (insn >> 16) & 0xf;
rm = insn & 0xf;
load = (insn & (1 << 21)) != 0;
addr = tcg_temp_new_i32();
if ((insn & (1 << 23)) == 0) {
/* Load store all elements. */
op = (insn >> 8) & 0xf;
size = (insn >> 6) & 3;
if (op > 10)
return 1;
nregs = neon_ls_element_type[op].nregs;
interleave = neon_ls_element_type[op].interleave;
spacing = neon_ls_element_type[op].spacing;
if (size == 3 && (interleave | spacing) != 1)
return 1;
load_reg_var(s, addr, rn);
stride = (1 << size) * interleave;
for (reg = 0; reg < nregs; reg++) {
if (interleave > 2 || (interleave == 2 && nregs == 2)) {
load_reg_var(s, addr, rn);
tcg_gen_addi_i32(addr, addr, (1 << size) * reg);
} else if (interleave == 2 && nregs == 4 && reg == 2) {
load_reg_var(s, addr, rn);
tcg_gen_addi_i32(addr, addr, 1 << size);
}
if (size == 3) {
if (load) {
tmp64 = gen_ld64(addr, IS_USER(s));
neon_store_reg64(tmp64, rd);
tcg_temp_free_i64(tmp64);
} else {
tmp64 = tcg_temp_new_i64();
neon_load_reg64(tmp64, rd);
gen_st64(tmp64, addr, IS_USER(s));
}
tcg_gen_addi_i32(addr, addr, stride);
} else {
for (pass = 0; pass < 2; pass++) {
if (size == 2) {
if (load) {
tmp = gen_ld32(addr, IS_USER(s));
neon_store_reg(rd, pass, tmp);
} else {
tmp = neon_load_reg(rd, pass);
gen_st32(tmp, addr, IS_USER(s));
}
tcg_gen_addi_i32(addr, addr, stride);
} else if (size == 1) {
if (load) {
tmp = gen_ld16u(addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
tmp2 = gen_ld16u(addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
tcg_gen_shli_i32(tmp2, tmp2, 16);
tcg_gen_or_i32(tmp, tmp, tmp2);
tcg_temp_free_i32(tmp2);
neon_store_reg(rd, pass, tmp);
} else {
tmp = neon_load_reg(rd, pass);
tmp2 = tcg_temp_new_i32();
tcg_gen_shri_i32(tmp2, tmp, 16);
gen_st16(tmp, addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
gen_st16(tmp2, addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
}
} else /* size == 0 */ {
if (load) {
TCGV_UNUSED(tmp2);
for (n = 0; n < 4; n++) {
tmp = gen_ld8u(addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
if (n == 0) {
tmp2 = tmp;
} else {
tcg_gen_shli_i32(tmp, tmp, n * 8);
tcg_gen_or_i32(tmp2, tmp2, tmp);
tcg_temp_free_i32(tmp);
}
}
neon_store_reg(rd, pass, tmp2);
} else {
tmp2 = neon_load_reg(rd, pass);
for (n = 0; n < 4; n++) {
tmp = tcg_temp_new_i32();
if (n == 0) {
tcg_gen_mov_i32(tmp, tmp2);
} else {
tcg_gen_shri_i32(tmp, tmp2, n * 8);
}
gen_st8(tmp, addr, IS_USER(s));
tcg_gen_addi_i32(addr, addr, stride);
}
tcg_temp_free_i32(tmp2);
}
}
}
}
rd += spacing;
}
stride = nregs * 8;
} else {
size = (insn >> 10) & 3;
if (size == 3) {
/* Load single element to all lanes. */
int a = (insn >> 4) & 1;
if (!load) {
return 1;
}
size = (insn >> 6) & 3;
nregs = ((insn >> 8) & 3) + 1;
if (size == 3) {
if (nregs != 4 || a == 0) {
return 1;
}
/* For VLD4 size==3 a == 1 means 32 bits at 16 byte alignment */
size = 2;
}
if (nregs == 1 && a == 1 && size == 0) {
return 1;
}
if (nregs == 3 && a == 1) {
return 1;
}
load_reg_var(s, addr, rn);
if (nregs == 1) {
/* VLD1 to all lanes: bit 5 indicates how many Dregs to write */
tmp = gen_load_and_replicate(s, addr, size);
tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 0));
tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 1));
if (insn & (1 << 5)) {
tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd + 1, 0));
tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd + 1, 1));
}
tcg_temp_free_i32(tmp);
} else {
/* VLD2/3/4 to all lanes: bit 5 indicates register stride */
stride = (insn & (1 << 5)) ? 2 : 1;
for (reg = 0; reg < nregs; reg++) {
tmp = gen_load_and_replicate(s, addr, size);
tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 0));
tcg_gen_st_i32(tmp, cpu_env, neon_reg_offset(rd, 1));
tcg_temp_free_i32(tmp);
tcg_gen_addi_i32(addr, addr, 1 << size);
rd += stride;
}
}
stride = (1 << size) * nregs;
} else {
/* Single element. */
pass = (insn >> 7) & 1;
switch (size) {
case 0:
shift = ((insn >> 5) & 3) * 8;
stride = 1;
break;
case 1:
shift = ((insn >> 6) & 1) * 16;
stride = (insn & (1 << 5)) ? 2 : 1;
break;
case 2:
shift = 0;
stride = (insn & (1 << 6)) ? 2 : 1;
break;
default:
abort();
}
nregs = ((insn >> 8) & 3) + 1;
load_reg_var(s, addr, rn);
for (reg = 0; reg < nregs; reg++) {
if (load) {
switch (size) {
case 0:
tmp = gen_ld8u(addr, IS_USER(s));
break;
case 1:
tmp = gen_ld16u(addr, IS_USER(s));
break;
case 2:
tmp = gen_ld32(addr, IS_USER(s));
break;
default: /* Avoid compiler warnings. */
abort();
}
if (size != 2) {
tmp2 = neon_load_reg(rd, pass);
gen_bfi(tmp, tmp2, tmp, shift, size ? 0xffff : 0xff);
tcg_temp_free_i32(tmp2);
}
neon_store_reg(rd, pass, tmp);
} else { /* Store */
tmp = neon_load_reg(rd, pass);
if (shift)
tcg_gen_shri_i32(tmp, tmp, shift);
switch (size) {
case 0:
gen_st8(tmp, addr, IS_USER(s));
break;
case 1:
gen_st16(tmp, addr, IS_USER(s));
break;
case 2:
gen_st32(tmp, addr, IS_USER(s));
break;
}
}
rd += stride;
tcg_gen_addi_i32(addr, addr, 1 << size);
}
stride = nregs * (1 << size);
}
}
tcg_temp_free_i32(addr);
if (rm != 15) {
TCGv base;
base = load_reg(s, rn);
if (rm == 13) {
tcg_gen_addi_i32(base, base, stride);
} else {
TCGv index;
index = load_reg(s, rm);
tcg_gen_add_i32(base, base, index);
tcg_temp_free_i32(index);
}
store_reg(s, rn, base);
}
return 0;
}
| 24,233 |
qemu | 640601c7cb1b6b41d3e1a435b986266c2b71e9bc | 1 | vu_queue_empty(VuDev *dev, VuVirtq *vq)
{
if (vq->shadow_avail_idx != vq->last_avail_idx) {
return 0;
}
return vring_avail_idx(vq) == vq->last_avail_idx;
}
| 24,234 |
qemu | 3ce6a729b5d78b13283ddc6c529811f67519a62d | 1 | static CURLState *curl_init_state(BlockDriverState *bs, BDRVCURLState *s)
{
CURLState *state = NULL;
int i, j;
do {
for (i=0; i<CURL_NUM_STATES; i++) {
for (j=0; j<CURL_NUM_ACB; j++)
if (s->states[i].acb[j])
continue;
if (s->states[i].in_use)
continue;
state = &s->states[i];
state->in_use = 1;
break;
}
if (!state) {
qemu_mutex_unlock(&s->mutex);
aio_poll(bdrv_get_aio_context(bs), true);
qemu_mutex_lock(&s->mutex);
}
} while(!state);
if (!state->curl) {
state->curl = curl_easy_init();
if (!state->curl) {
return NULL;
}
curl_easy_setopt(state->curl, CURLOPT_URL, s->url);
curl_easy_setopt(state->curl, CURLOPT_SSL_VERIFYPEER,
(long) s->sslverify);
if (s->cookie) {
curl_easy_setopt(state->curl, CURLOPT_COOKIE, s->cookie);
}
curl_easy_setopt(state->curl, CURLOPT_TIMEOUT, (long)s->timeout);
curl_easy_setopt(state->curl, CURLOPT_WRITEFUNCTION,
(void *)curl_read_cb);
curl_easy_setopt(state->curl, CURLOPT_WRITEDATA, (void *)state);
curl_easy_setopt(state->curl, CURLOPT_PRIVATE, (void *)state);
curl_easy_setopt(state->curl, CURLOPT_AUTOREFERER, 1);
curl_easy_setopt(state->curl, CURLOPT_FOLLOWLOCATION, 1);
curl_easy_setopt(state->curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(state->curl, CURLOPT_ERRORBUFFER, state->errmsg);
curl_easy_setopt(state->curl, CURLOPT_FAILONERROR, 1);
if (s->username) {
curl_easy_setopt(state->curl, CURLOPT_USERNAME, s->username);
}
if (s->password) {
curl_easy_setopt(state->curl, CURLOPT_PASSWORD, s->password);
}
if (s->proxyusername) {
curl_easy_setopt(state->curl,
CURLOPT_PROXYUSERNAME, s->proxyusername);
}
if (s->proxypassword) {
curl_easy_setopt(state->curl,
CURLOPT_PROXYPASSWORD, s->proxypassword);
}
/* Restrict supported protocols to avoid security issues in the more
* obscure protocols. For example, do not allow POP3/SMTP/IMAP see
* CVE-2013-0249.
*
* Restricting protocols is only supported from 7.19.4 upwards.
*/
#if LIBCURL_VERSION_NUM >= 0x071304
curl_easy_setopt(state->curl, CURLOPT_PROTOCOLS, PROTOCOLS);
curl_easy_setopt(state->curl, CURLOPT_REDIR_PROTOCOLS, PROTOCOLS);
#endif
#ifdef DEBUG_VERBOSE
curl_easy_setopt(state->curl, CURLOPT_VERBOSE, 1);
#endif
}
QLIST_INIT(&state->sockets);
state->s = s;
return state;
}
| 24,236 |
qemu | a9c380db3b8c6af19546a68145c8d1438a09c92b | 1 | static int ssi_sd_load(QEMUFile *f, void *opaque, int version_id)
{
SSISlave *ss = SSI_SLAVE(opaque);
ssi_sd_state *s = (ssi_sd_state *)opaque;
int i;
if (version_id != 1)
s->mode = qemu_get_be32(f);
s->cmd = qemu_get_be32(f);
for (i = 0; i < 4; i++)
s->cmdarg[i] = qemu_get_be32(f);
for (i = 0; i < 5; i++)
s->response[i] = qemu_get_be32(f);
s->arglen = qemu_get_be32(f);
s->response_pos = qemu_get_be32(f);
s->stopping = qemu_get_be32(f);
ss->cs = qemu_get_be32(f);
return 0;
| 24,237 |
qemu | 60fe637bf0e4d7989e21e50f52526444765c63b4 | 1 | static inline uint8_t *ram_chunk_end(const RDMALocalBlock *rdma_ram_block,
uint64_t i)
{
uint8_t *result = ram_chunk_start(rdma_ram_block, i) +
(1UL << RDMA_REG_CHUNK_SHIFT);
if (result > (rdma_ram_block->local_host_addr + rdma_ram_block->length)) {
result = rdma_ram_block->local_host_addr + rdma_ram_block->length;
}
return result;
}
| 24,238 |
FFmpeg | 073c2593c9f0aa4445a6fc1b9b24e6e52a8cc2c1 | 1 | static int build_vlc(VLC *vlc, const uint8_t *bits_table, const uint8_t *val_table,
int nb_codes)
{
uint8_t huff_size[256];
uint16_t huff_code[256];
memset(huff_size, 0, sizeof(huff_size));
build_huffman_codes(huff_size, huff_code, bits_table, val_table);
return init_vlc(vlc, 9, nb_codes, huff_size, 1, 1, huff_code, 2, 2);
}
| 24,239 |
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