本文整理汇总了C++中dsputil_init函数的典型用法代码示例。如果您正苦于以下问题：C++ dsputil_init函数的具体用法？C++ dsputil_init怎么用？C++ dsputil_init使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了dsputil_init函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: aac_encode_init
static av_cold int aac_encode_init(AVCodecContext *avctx)
{
AACEncContext *s = avctx->priv_data;
int i;
const uint8_t *sizes[2];
int lengths[2];
avctx->frame_size = 1024;
for (i = 0; i < 16; i++)
if (avctx->sample_rate == ff_mpeg4audio_sample_rates[i])
break;
if (i == 16) {
av_log(avctx, AV_LOG_ERROR, "Unsupported sample rate %d\n", avctx->sample_rate);
return -1;
}
if (avctx->channels > AAC_MAX_CHANNELS) {
av_log(avctx, AV_LOG_ERROR, "Unsupported number of channels: %d\n", avctx->channels);
return -1;
}
if (avctx->profile != FF_PROFILE_UNKNOWN && avctx->profile != FF_PROFILE_AAC_LOW) {
av_log(avctx, AV_LOG_ERROR, "Unsupported profile %d\n", avctx->profile);
return -1;
}
if (1024.0 * avctx->bit_rate / avctx->sample_rate > 6144 * avctx->channels) {
av_log(avctx, AV_LOG_ERROR, "Too many bits per frame requested\n");
return -1;
}
s->samplerate_index = i;
dsputil_init(&s->dsp, avctx);
ff_mdct_init(&s->mdct1024, 11, 0, 1.0);
ff_mdct_init(&s->mdct128, 8, 0, 1.0);
// window init
ff_kbd_window_init(ff_aac_kbd_long_1024, 4.0, 1024);
ff_kbd_window_init(ff_aac_kbd_short_128, 6.0, 128);
ff_init_ff_sine_windows(10);
ff_init_ff_sine_windows(7);
s->chan_map = aac_chan_configs[avctx->channels-1];
s->samples = av_malloc(2 * 1024 * avctx->channels * sizeof(s->samples[0]));
s->cpe = av_mallocz(sizeof(ChannelElement) * s->chan_map[0]);
avctx->extradata = av_mallocz(5 + FF_INPUT_BUFFER_PADDING_SIZE);
avctx->extradata_size = 5;
put_audio_specific_config(avctx);
sizes[0] = swb_size_1024[i];
sizes[1] = swb_size_128[i];
lengths[0] = ff_aac_num_swb_1024[i];
lengths[1] = ff_aac_num_swb_128[i];
ff_psy_init(&s->psy, avctx, 2, sizes, lengths, s->chan_map[0], &s->chan_map[1]);
s->psypp = ff_psy_preprocess_init(avctx);
s->coder = &ff_aac_coders[2];
s->lambda = avctx->global_quality ? avctx->global_quality : 120;
ff_aac_tableinit();
return 0;
}
开发者ID:aguion，项目名称:FFmpeg，代码行数:60，代码来源:aacenc.c
示例2: decode_init
static av_cold int decode_init(AVCodecContext * avctx) {
NellyMoserDecodeContext *s = avctx->priv_data;
int i;
s->avctx = avctx;
av_init_random(0, &s->random_state);
ff_mdct_init(&s->imdct_ctx, 8, 1);
dsputil_init(&s->dsp, avctx);
if(s->dsp.float_to_int16 == ff_float_to_int16_c) {
s->add_bias = 385;
s->scale_bias = 1.0/(8*32768);
} else {
s->add_bias = 0;
s->scale_bias = 1.0/(1*8);
}
/* Generate overlap window */
if (!sine_window[0])
for (i=0 ; i<128; i++) {
sine_window[i] = sin((i + 0.5) / 256.0 * M_PI);
}
return 0;
}
开发者ID:apeliom，项目名称:tikitv，代码行数:26，代码来源:nellymoserdec.c
示例3: decode_init
static av_cold int decode_init(AVCodecContext * avctx) {
NellyMoserDecodeContext *s = avctx->priv_data;
s->avctx = avctx;
av_lfg_init(&s->random_state, ff_random_get_seed());
ff_mdct_init(&s->imdct_ctx, 8, 1, 1.0);
dsputil_init(&s->dsp, avctx);
if(s->dsp.float_to_int16 == ff_float_to_int16_c) {
s->add_bias = 385;
s->scale_bias = 1.0/(8*32768);
} else {
s->add_bias = 0;
s->scale_bias = 1.0/(1*8);
}
/* Generate overlap window */
if (!ff_sine_128[127])
ff_sine_window_init(ff_sine_128, 128);
avctx->sample_fmt = SAMPLE_FMT_S16;
avctx->channel_layout = CH_LAYOUT_MONO;
return 0;
}
开发者ID:Acidburn0zzz，项目名称:ffmpeg-concat，代码行数:25，代码来源:nellymoserdec.c
示例4: decode_init
static av_cold int decode_init(AVCodecContext * avctx) {
NellyMoserDecodeContext *s = avctx->priv_data;
s->avctx = avctx;
av_lfg_init(&s->random_state, 0);
ff_mdct_init(&s->imdct_ctx, 8, 1, 1.0);
dsputil_init(&s->dsp, avctx);
if (avctx->request_sample_fmt == AV_SAMPLE_FMT_FLT) {
s->scale_bias = 1.0/(32768*8);
avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
} else {
s->scale_bias = 1.0/(1*8);
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
ff_fmt_convert_init(&s->fmt_conv, avctx);
s->float_buf = av_mallocz(NELLY_SAMPLES * sizeof(*s->float_buf));
if (!s->float_buf) {
av_log(avctx, AV_LOG_ERROR, "error allocating float buffer\n");
return AVERROR(ENOMEM);
}
}
/* Generate overlap window */
if (!ff_sine_128[127])
ff_init_ff_sine_windows(7);
avctx->channel_layout = AV_CH_LAYOUT_MONO;
avcodec_get_frame_defaults(&s->frame);
avctx->coded_frame = &s->frame;
return 0;
}
开发者ID:baoping，项目名称:FFmpeg，代码行数:34，代码来源:nellymoserdec.c
示例5: idcin_decode_init
static int idcin_decode_init(AVCodecContext *avctx)
{
IdcinContext *s = (IdcinContext *)avctx->priv_data;
int i, j, histogram_index = 0;
unsigned char *histograms;
s->avctx = avctx;
avctx->pix_fmt = PIX_FMT_PAL8;
avctx->has_b_frames = 0;
dsputil_init(&s->dsp, avctx);
/* make sure the Huffman tables make it */
if (s->avctx->extradata_size != HUFFMAN_TABLE_SIZE) {
av_log(s->avctx, AV_LOG_ERROR, " Id CIN video: expected extradata size of %d\n", HUFFMAN_TABLE_SIZE);
return -1;
}
/* build the 256 Huffman decode trees */
histograms = (unsigned char *)s->avctx->extradata;
for (i = 0; i < 256; i++) {
for(j = 0; j < HUF_TOKENS; j++)
s->huff_nodes[i][j].count = histograms[histogram_index++];
huff_build_tree(s, i);
}
s->frame.data[0] = NULL;
return 0;
}
开发者ID:OpenSageTV，项目名称:mplayer-sage9orig，代码行数:29，代码来源:idcinvideo.c
示例6: avcodec_init
int H264DecWrapper::Initialize()
{
codec = &h264_decoder;
avcodec_init();
c = avcodec_alloc_context();
picture = avcodec_alloc_frame();
if(codec->capabilities&CODEC_CAP_TRUNCATED)
{
c->flags |= CODEC_FLAG_TRUNCATED;
}
if (avcodec_open(c, codec) < 0) {
fprintf(stderr, "could not open codec\n");
return -1;
}
h = (H264Context*)c->priv_data;
s = &h->s;
s->dsp.idct_permutation_type = 1;
dsputil_init(&s->dsp, c);
return 0;
}
开发者ID:eeharold，项目名称:livevideoserver，代码行数:25，代码来源:H264DecWrapper.cpp
示例7: MPV_common_init
int MPV_common_init(MpegEncContext *s)
{
int y_size, c_size, yc_size, mb_array_size, mv_table_size;
dsputil_init(&s->dsp, s->avctx);
s->mb_width = (s->width + 15) / 16;
s->mb_height = (s->height + 15) / 16;
s->mb_stride = s->mb_width + 1;
s->b8_stride = s->mb_width*2 + 1;
s->b4_stride = s->mb_width*4 + 1;
mb_array_size= s->mb_height * s->mb_stride;
mv_table_size= (s->mb_height+2) * s->mb_stride + 1;
/* set default edge pos, will be overriden in decode_header if needed */
s->h_edge_pos= s->mb_width*16;
s->v_edge_pos= s->mb_height*16;
s->mb_num = s->mb_width * s->mb_height;
y_size = s->b8_stride * (2 * s->mb_height + 1);
c_size = s->mb_stride * (s->mb_height + 1);
yc_size = y_size + 2 * c_size;
s->avctx->coded_frame= (AVFrame*)&s->current_picture;
s->picture= av_mallocz( MAX_PICTURE_COUNT * sizeof(Picture));
s->context_initialized = 1;
return 0;
}
开发者ID:90robin，项目名称:MyGit，代码行数:32，代码来源:mpegvideo.c
示例8: dvvideo_decode_init
static int dvvideo_decode_init(AVCodecContext *avctx)
{
DVVideoDecodeContext *s = avctx->priv_data;
MpegEncContext s2;
static int done=0;
if (!done) {
int i;
done = 1;
/* NOTE: as a trick, we use the fact the no codes are unused
to accelerate the parsing of partial codes */
init_vlc(&dv_vlc, TEX_VLC_BITS, NB_DV_VLC,
dv_vlc_len, 1, 1, dv_vlc_bits, 2, 2);
dv_rl_vlc[0] = av_malloc(dv_vlc.table_size * sizeof(RL_VLC_ELEM));
for(i = 0; i < dv_vlc.table_size; i++){
int code= dv_vlc.table[i][0];
int len = dv_vlc.table[i][1];
int level, run;
if(len<0){ //more bits needed
run= 0;
level= code;
} else if (code == (NB_DV_VLC - 1)) {
/* EOB */
run = 0;
level = 256;
} else {
run= dv_vlc_run[code] + 1;
level= dv_vlc_level[code];
}
dv_rl_vlc[0][i].len = len;
dv_rl_vlc[0][i].level = level;
dv_rl_vlc[0][i].run = run;
}
}
/* ugly way to get the idct & scantable */
/* XXX: fix it */
memset(&s2, 0, sizeof(MpegEncContext));
s2.avctx = avctx;
dsputil_init(&s2.dsp, avctx);
if (DCT_common_init(&s2) < 0)
return -1;
s->idct_put[0] = s2.dsp.idct_put;
memcpy(s->idct_permutation, s2.dsp.idct_permutation, 64);
memcpy(s->dv_zigzag[0], s2.intra_scantable.permutated, 64);
/* XXX: use MMX also for idct248 */
s->idct_put[1] = simple_idct248_put;
memcpy(s->dv_zigzag[1], dv_248_zigzag, 64);
/* XXX: do it only for constant case */
dv_build_unquantize_tables(s);
return 0;
}
开发者ID:OS2World，项目名称:MM-SOUND-xine，代码行数:60，代码来源:dv.c
示例9: dca_decode_init
static av_cold int dca_decode_init(AVCodecContext * avctx)
{
DCAContext *s = avctx->priv_data;
int i;
s->avctx = avctx;
dca_init_vlcs();
dsputil_init(&s->dsp, avctx);
ff_mdct_init(&s->imdct, 6, 1, 1.0);
for(i = 0; i < 6; i++)
s->samples_chanptr[i] = s->samples + i * 256;
avctx->sample_fmt = SAMPLE_FMT_S16;
if(s->dsp.float_to_int16_interleave == ff_float_to_int16_interleave_c) {
s->add_bias = 385.0f;
s->scale_bias = 1.0 / 32768.0;
} else {
s->add_bias = 0.0f;
s->scale_bias = 1.0;
/* allow downmixing to stereo */
if (avctx->channels > 0 && avctx->request_channels < avctx->channels &&
avctx->request_channels == 2) {
avctx->channels = avctx->request_channels;
}
}
return 0;
}
开发者ID:BigBadOwl，项目名称:iPhone-Ffmpeg，代码行数:32，代码来源:dca.c
示例10: config_input
static int config_input(AVFilterLink *inlink)
{
SelectContext *select = inlink->dst->priv;
select->var_values[VAR_N] = 0.0;
select->var_values[VAR_SELECTED_N] = 0.0;
select->var_values[VAR_TB] = av_q2d(inlink->time_base);
select->var_values[VAR_PREV_PTS] = NAN;
select->var_values[VAR_PREV_SELECTED_PTS] = NAN;
select->var_values[VAR_PREV_SELECTED_T] = NAN;
select->var_values[VAR_START_PTS] = NAN;
select->var_values[VAR_START_T] = NAN;
select->var_values[VAR_PICT_TYPE_I] = AV_PICTURE_TYPE_I;
select->var_values[VAR_PICT_TYPE_P] = AV_PICTURE_TYPE_P;
select->var_values[VAR_PICT_TYPE_B] = AV_PICTURE_TYPE_B;
select->var_values[VAR_PICT_TYPE_SI] = AV_PICTURE_TYPE_SI;
select->var_values[VAR_PICT_TYPE_SP] = AV_PICTURE_TYPE_SP;
select->var_values[VAR_INTERLACE_TYPE_P] = INTERLACE_TYPE_P;
select->var_values[VAR_INTERLACE_TYPE_T] = INTERLACE_TYPE_T;
select->var_values[VAR_INTERLACE_TYPE_B] = INTERLACE_TYPE_B;
if (select->do_scene_detect) {
select->avctx = avcodec_alloc_context3(NULL);
if (!select->avctx)
return AVERROR(ENOMEM);
dsputil_init(&select->c, select->avctx);
}
return 0;
}
开发者ID:TheRock1987，项目名称:FFmpeg，代码行数:33，代码来源:vf_select.c
示例11: imc_decode_init
static av_cold int imc_decode_init(AVCodecContext * avctx)
{
int i, j;
IMCContext *q = avctx->priv_data;
double r1, r2;
q->decoder_reset = 1;
for(i = 0; i < BANDS; i++)
q->old_floor[i] = 1.0;
/* Build mdct window, a simple sine window normalized with sqrt(2) */
ff_sine_window_init(q->mdct_sine_window, COEFFS);
for(i = 0; i < COEFFS; i++)
q->mdct_sine_window[i] *= sqrt(2.0);
for(i = 0; i < COEFFS/2; i++){
q->post_cos[i] = cos(i / 256.0 * M_PI);
q->post_sin[i] = sin(i / 256.0 * M_PI);
r1 = sin((i * 4.0 + 1.0) / 1024.0 * M_PI);
r2 = cos((i * 4.0 + 1.0) / 1024.0 * M_PI);
if (i & 0x1)
{
q->pre_coef1[i] = (r1 + r2) * sqrt(2.0);
q->pre_coef2[i] = -(r1 - r2) * sqrt(2.0);
}
else
{
q->pre_coef1[i] = -(r1 + r2) * sqrt(2.0);
q->pre_coef2[i] = (r1 - r2) * sqrt(2.0);
}
q->last_fft_im[i] = 0;
}
/* Generate a square root table */
for(i = 0; i < 30; i++) {
q->sqrt_tab[i] = sqrt(i);
}
/* initialize the VLC tables */
for(i = 0; i < 4 ; i++) {
for(j = 0; j < 4; j++) {
huffman_vlc[i][j].table = vlc_tables[vlc_offsets[i * 4 + j]];
huffman_vlc[i][j].table_allocated = vlc_offsets[i * 4 + j + 1] - vlc_offsets[i * 4 + j];
init_vlc(&huffman_vlc[i][j], 9, imc_huffman_sizes[i],
imc_huffman_lens[i][j], 1, 1,
imc_huffman_bits[i][j], 2, 2, INIT_VLC_USE_NEW_STATIC);
}
}
q->one_div_log2 = 1/log(2);
ff_fft_init(&q->fft, 7, 1);
dsputil_init(&q->dsp, avctx);
avctx->sample_fmt = SAMPLE_FMT_S16;
return 0;
}
开发者ID:Yelinson，项目名称:OpenVideoHub，代码行数:59，代码来源:imc.c
示例12: main
int main(int argc, char **argv)
{
AVCodecContext *ctx;
int c;
DSPContext cctx, mmxctx;
int flags[2] = { AV_CPU_FLAG_MMX, AV_CPU_FLAG_MMX2 };
int flags_size = HAVE_MMX2 ? 2 : 1;
for(;;)
{
c = getopt(argc, argv, "h");
if (c == -1)
break;
switch(c)
{
case 'h':
help();
break;
}
}
printf("ffmpeg motion test\n");
ctx = avcodec_alloc_context();
ctx->dsp_mask = AV_CPU_FLAG_FORCE;
dsputil_init(&cctx, ctx);
for (c = 0; c < flags_size; c++)
{
int x;
ctx->dsp_mask = AV_CPU_FLAG_FORCE | flags[c];
dsputil_init(&mmxctx, ctx);
for (x = 0; x < 2; x++)
{
printf("%s for %dx%d pixels\n", c ? "mmx2" : "mmx",
x ? 8 : 16, x ? 8 : 16);
test_motion("mmx", mmxctx.pix_abs[x][0], cctx.pix_abs[x][0]);
test_motion("mmx_x2", mmxctx.pix_abs[x][1], cctx.pix_abs[x][1]);
test_motion("mmx_y2", mmxctx.pix_abs[x][2], cctx.pix_abs[x][2]);
test_motion("mmx_xy2", mmxctx.pix_abs[x][3], cctx.pix_abs[x][3]);
}
}
av_free(ctx);
return 0;
}
开发者ID:hicks0074，项目名称:freescale_omx_framework，代码行数:46，代码来源:motion-test.c
示例13: aac_encode_init
static av_cold int aac_encode_init(AVCodecContext *avctx)
{
AACEncContext *s = avctx->priv_data;
int i;
const uint8_t *sizes[2];
int lengths[2];
avctx->frame_size = 1024;
for(i = 0; i < 16; i++)
if(avctx->sample_rate == ff_mpeg4audio_sample_rates[i])
break;
if(i == 16){
av_log(avctx, AV_LOG_ERROR, "Unsupported sample rate %d\n", avctx->sample_rate);
return -1;
}
if(avctx->channels > 6){
av_log(avctx, AV_LOG_ERROR, "Unsupported number of channels: %d\n", avctx->channels);
return -1;
}
s->samplerate_index = i;
dsputil_init(&s->dsp, avctx);
ff_mdct_init(&s->mdct1024, 11, 0, 1.0);
ff_mdct_init(&s->mdct128, 8, 0, 1.0);
// window init
ff_kbd_window_init(ff_aac_kbd_long_1024, 4.0, 1024);
ff_kbd_window_init(ff_aac_kbd_short_128, 6.0, 128);
ff_sine_window_init(ff_sine_1024, 1024);
ff_sine_window_init(ff_sine_128, 128);
s->samples = av_malloc(2 * 1024 * avctx->channels * sizeof(s->samples[0]));
s->cpe = av_mallocz(sizeof(ChannelElement) * aac_chan_configs[avctx->channels-1][0]);
avctx->extradata = av_malloc(2);
avctx->extradata_size = 2;
put_audio_specific_config(avctx);
sizes[0] = swb_size_1024[i];
sizes[1] = swb_size_128[i];
lengths[0] = ff_aac_num_swb_1024[i];
lengths[1] = ff_aac_num_swb_128[i];
ff_psy_init(&s->psy, avctx, 2, sizes, lengths);
s->psypp = ff_psy_preprocess_init(avctx);
s->coder = &ff_aac_coders[0];
s->lambda = avctx->global_quality ? avctx->global_quality : 120;
#if !CONFIG_HARDCODED_TABLES
for (i = 0; i < 428; i++)
ff_aac_pow2sf_tab[i] = pow(2, (i - 200)/4.);
#endif /* CONFIG_HARDCODED_TABLES */
if (avctx->channels > 5)
av_log(avctx, AV_LOG_ERROR, "This encoder does not yet enforce the restrictions on LFEs. "
"The output will most likely be an illegal bitstream.\n");
return 0;
}
开发者ID:Akuaksh，项目名称:soc，代码行数:57，代码来源:aacenc.c
示例14: dnxhd_decode_init
static av_cold int dnxhd_decode_init(AVCodecContext *avctx)
{
DNXHDContext *ctx = avctx->priv_data;
ctx->avctx = avctx;
dsputil_init(&ctx->dsp, avctx);
avctx->coded_frame = &ctx->picture;
ctx->picture.type = FF_I_TYPE;
return 0;
}
开发者ID:AnthonyNystrom，项目名称:MobiVU，代码行数:10，代码来源:dnxhddec.c
示例15: imc_decode_init
static int imc_decode_init(AVCodecContext * avctx)
{
int i, j;
IMCContext *q = avctx->priv_data;
double r1, r2;
q->decoder_reset = 1;
for(i = 0; i < BANDS; i++)
q->old_floor[i] = 1.0;
/* Build mdct window, a simple sine window normalized with sqrt(2) */
for(i = 0; i < COEFFS; i++)
q->mdct_sine_window[i] = sin((i + 0.5) / 512.0 * M_PI) * sqrt(2.0);
for(i = 0; i < COEFFS/2; i++){
q->post_cos[i] = cos(i / 256.0 * M_PI);
q->post_sin[i] = sin(i / 256.0 * M_PI);
r1 = sin((i * 4.0 + 1.0) / 1024.0 * M_PI);
r2 = cos((i * 4.0 + 1.0) / 1024.0 * M_PI);
if (i & 0x1)
{
q->pre_coef1[i] = (r1 + r2) * sqrt(2.0);
q->pre_coef2[i] = -(r1 - r2) * sqrt(2.0);
}
else
{
q->pre_coef1[i] = -(r1 + r2) * sqrt(2.0);
q->pre_coef2[i] = (r1 - r2) * sqrt(2.0);
}
q->last_fft_im[i] = 0;
}
/* Generate a square root table */
for(i = 0; i < 30; i++) {
q->sqrt_tab[i] = sqrt(i);
}
/* initialize the VLC tables */
for(i = 0; i < 4 ; i++) {
for(j = 0; j < 4; j++) {
init_vlc (&q->huffman_vlc[i][j], 9, imc_huffman_sizes[i],
imc_huffman_lens[i][j], 1, 1,
imc_huffman_bits[i][j], 2, 2, 1);
}
}
q->one_div_log2 = 1/log(2);
ff_fft_init(&q->fft, 7, 1);
dsputil_init(&q->dsp, avctx);
return 0;
}
开发者ID:andryblack，项目名称:ketlaer，代码行数:55，代码来源:imc.c
示例16: tgq_decode_init
static av_cold int tgq_decode_init(AVCodecContext *avctx){
TgqContext *s = avctx->priv_data;
s->avctx = avctx;
if(avctx->idct_algo==FF_IDCT_AUTO)
avctx->idct_algo=FF_IDCT_EA;
dsputil_init(&s->dsp, avctx);
ff_init_scantable(s->dsp.idct_permutation, &s->scantable, ff_zigzag_direct);
avctx->time_base = (AVRational){1, 15};
avctx->pix_fmt = PIX_FMT_YUV420P;
return 0;
}
开发者ID:Arcen，项目名称:FFmpeg，代码行数:11，代码来源:eatgq.c
示例17: decode_init
static av_cold int decode_init(AVCodecContext *avctx)
{
MadContext *t = avctx->priv_data;
MpegEncContext *s = &t->s;
s->avctx = avctx;
avctx->pix_fmt = PIX_FMT_YUV420P;
if (avctx->idct_algo == FF_IDCT_AUTO)
avctx->idct_algo = FF_IDCT_EA;
dsputil_init(&s->dsp, avctx);
ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable, ff_zigzag_direct);
ff_mpeg12_init_vlcs();
return 0;
}
开发者ID:arthurrauter，项目名称:mconf-mobile，代码行数:13，代码来源:eamad.c
示例18: common_init
static void common_init(AVCodecContext *avctx){
ASV1Context * const a = avctx->priv_data;
dsputil_init(&a->dsp, avctx);
a->mb_width = (avctx->width + 15) / 16;
a->mb_height = (avctx->height + 15) / 16;
a->mb_width2 = (avctx->width + 0) / 16;
a->mb_height2 = (avctx->height + 0) / 16;
avctx->coded_frame= (AVFrame*)&a->picture;
a->avctx= avctx;
}
开发者ID:pcercuei，项目名称:dcplaya，代码行数:13，代码来源:asv1.c
示例19: common_init
static av_cold int common_init(AVCodecContext *avctx){
HYuvContext *s = avctx->priv_data;
s->avctx= avctx;
s->flags= avctx->flags;
dsputil_init(&s->dsp, avctx);
s->width= avctx->width;
s->height= avctx->height;
assert(s->width>0 && s->height>0);
return 0;
}
开发者ID:beizhong2501，项目名称:ffmpeg_tutorial_modify，代码行数:14，代码来源:huffyuv.c
示例20: mp_decode_init
static av_cold int mp_decode_init(AVCodecContext *avctx)
{
MotionPixelsContext *mp = avctx->priv_data;
motionpixels_tableinit();
mp->avctx = avctx;
dsputil_init(&mp->dsp, avctx);
mp->changes_map = av_mallocz(avctx->width * avctx->height);
mp->offset_bits_len = av_log2(avctx->width * avctx->height) + 1;
mp->vpt = av_mallocz(avctx->height * sizeof(YuvPixel));
mp->hpt = av_mallocz(avctx->height * avctx->width / 16 * sizeof(YuvPixel));
avctx->pix_fmt = PIX_FMT_RGB555;
return 0;
}
开发者ID:CodeAsm，项目名称:ffplay360，代码行数:14，代码来源:motionpixels.c
注：本文中的dsputil_init函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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