return;
initialized = 1;
- dsputil_static_init();
+ ff_dsputil_static_init();
}
-static av_always_inline int codec_is_encoder(AVCodec *codec)
+int av_codec_is_encoder(AVCodec *codec)
{
return codec && (codec->encode || codec->encode2);
}
-static av_always_inline int codec_is_decoder(AVCodec *codec)
+int av_codec_is_decoder(AVCodec *codec)
{
return codec && codec->decode;
}
case PIX_FMT_YUVJ440P:
case PIX_FMT_YUVJ444P:
case PIX_FMT_YUVA420P:
+ case PIX_FMT_YUVA444P:
case PIX_FMT_YUV420P9LE:
case PIX_FMT_YUV420P9BE:
case PIX_FMT_YUV420P10LE:
for (i = 0; i < 4; i++)
linesize_align[i] = STRIDE_ALIGN;
-//STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes
-//we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the
-//picture size unneccessarily in some cases. The solution here is not
-//pretty and better ideas are welcome!
-#if HAVE_MMX
- if(s->codec_id == CODEC_ID_SVQ1 || s->codec_id == CODEC_ID_VP5 ||
- s->codec_id == CODEC_ID_VP6 || s->codec_id == CODEC_ID_VP6F ||
- s->codec_id == CODEC_ID_VP6A || s->codec_id == CODEC_ID_DIRAC) {
- for (i = 0; i < 4; i++)
- linesize_align[i] = 16;
- }
-#endif
}
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
}
if ((ret = av_samples_fill_arrays(frame->extended_data, &frame->linesize[0],
- buf, nb_channels, frame->nb_samples,
+ (uint8_t *)(intptr_t)buf, nb_channels, frame->nb_samples,
sample_fmt, align)) < 0) {
if (frame->extended_data != frame->data)
av_freep(&frame->extended_data);
return -1;
}
- if(av_image_check_size(w, h, 0, s))
+ if(av_image_check_size(w, h, 0, s) || s->pix_fmt<0)
return -1;
if (!avci->buffer) {
return s->get_buffer(s, pic);
}
+ assert(s->pix_fmt == pic->format);
+
/* If internal buffer type return the same buffer */
if(pic->type == FF_BUFFER_TYPE_INTERNAL) {
return 0;
sub->pts = AV_NOPTS_VALUE;
}
+static int get_bit_rate(AVCodecContext *ctx)
+{
+ int bit_rate;
+ int bits_per_sample;
+
+ switch(ctx->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ case AVMEDIA_TYPE_DATA:
+ case AVMEDIA_TYPE_SUBTITLE:
+ case AVMEDIA_TYPE_ATTACHMENT:
+ bit_rate = ctx->bit_rate;
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
+ bit_rate = bits_per_sample ? ctx->sample_rate * ctx->channels * bits_per_sample : ctx->bit_rate;
+ break;
+ default:
+ bit_rate = 0;
+ break;
+ }
+ return bit_rate;
+}
+
#if FF_API_AVCODEC_OPEN
int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
{
goto end;
}
if (codec->priv_class) {
- *(AVClass**)avctx->priv_data= codec->priv_class;
+ *(const AVClass**)avctx->priv_data= codec->priv_class;
av_opt_set_defaults(avctx->priv_data);
}
}
/* if the decoder init function was already called previously,
free the already allocated subtitle_header before overwriting it */
- if (codec_is_decoder(codec))
+ if (av_codec_is_decoder(codec))
av_freep(&avctx->subtitle_header);
#define SANE_NB_CHANNELS 128U
ret = AVERROR(EINVAL);
goto free_and_end;
}
- if (codec_is_encoder(avctx->codec)) {
+ if (av_codec_is_encoder(avctx->codec)) {
int i;
if (avctx->codec->sample_fmts) {
for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++)
goto free_and_end;
}
}
+ if (avctx->codec->pix_fmts) {
+ for (i = 0; avctx->codec->pix_fmts[i] != PIX_FMT_NONE; i++)
+ if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
+ break;
+ if (avctx->codec->pix_fmts[i] == PIX_FMT_NONE) {
+ av_log(avctx, AV_LOG_ERROR, "Specified pix_fmt is not supported\n");
+ ret = AVERROR(EINVAL);
+ goto free_and_end;
+ }
+ }
if (avctx->codec->supported_samplerates) {
for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
}
}
+ if (av_codec_is_decoder(avctx->codec) && !avctx->bit_rate)
+ avctx->bit_rate = get_bit_rate(avctx);
+
ret=0;
end:
entangled_thread_counter--;
goto end;
}
-int ff_alloc_packet(AVPacket *avpkt, int size)
+int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int size)
{
- if (size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE)
+ if (size < 0 || avpkt->size < 0 || size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
+ av_log(avctx, AV_LOG_ERROR, "Size %d invalid\n", size);
return AVERROR(EINVAL);
+ }
+
+ av_assert0(!avpkt->data || avpkt->data != avctx->internal->byte_buffer);
+ if (!avpkt->data || avpkt->size < size) {
+ av_fast_padded_malloc(&avctx->internal->byte_buffer, &avctx->internal->byte_buffer_size, size);
+ avpkt->data = avctx->internal->byte_buffer;
+ avpkt->size = avctx->internal->byte_buffer_size;
+ avpkt->destruct = NULL;
+ }
if (avpkt->data) {
- uint8_t *pkt_data;
+ void *destruct = avpkt->destruct;
- if (avpkt->size < size)
+ if (avpkt->size < size) {
+ av_log(avctx, AV_LOG_ERROR, "User packet is too small (%d < %d)\n", avpkt->size, size);
return AVERROR(EINVAL);
+ }
- pkt_data = avpkt->data;
av_init_packet(avpkt);
- avpkt->data = pkt_data;
+ avpkt->destruct = destruct;
avpkt->size = size;
return 0;
} else {
- return av_new_packet(avpkt, size);
+ int ret = av_new_packet(avpkt, size);
+ if (ret < 0)
+ av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %d\n", size);
+ return ret;
}
}
+int ff_alloc_packet(AVPacket *avpkt, int size)
+{
+ return ff_alloc_packet2(NULL, avpkt, size);
+}
+
int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
AVPacket *avpkt,
const AVFrame *frame,
int *got_packet_ptr)
{
int ret;
- int user_packet = !!avpkt->data;
+ AVPacket user_pkt = *avpkt;
int nb_samples;
+ int needs_realloc = !user_pkt.data;
+
+ *got_packet_ptr = 0;
if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
+ av_free_packet(avpkt);
av_init_packet(avpkt);
avpkt->size = 0;
return 0;
}
if (avctx->codec->encode2) {
- *got_packet_ptr = 0;
ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
- if (!ret && *got_packet_ptr &&
- !(avctx->codec->capabilities & CODEC_CAP_DELAY)) {
- avpkt->pts = frame->pts;
- avpkt->duration = av_rescale_q(frame->nb_samples,
- (AVRational){ 1, avctx->sample_rate },
- avctx->time_base);
+ if (!ret && *got_packet_ptr) {
+ if (!(avctx->codec->capabilities & CODEC_CAP_DELAY)) {
+ if (avpkt->pts == AV_NOPTS_VALUE)
+ avpkt->pts = frame->pts;
+ if (!avpkt->duration)
+ avpkt->duration = ff_samples_to_time_base(avctx,
+ frame->nb_samples);
+ }
+ avpkt->dts = avpkt->pts;
+ } else {
+ avpkt->size = 0;
}
} else {
/* for compatibility with encoders not supporting encode2(), we need to
the size otherwise */
int fs_tmp = 0;
int buf_size = avpkt->size;
- if (!user_packet) {
+ if (!user_pkt.data) {
if (avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE) {
av_assert0(av_get_bits_per_sample(avctx->codec_id) != 0);
if (!frame)
implement encode2() */
buf_size = 2 * avctx->frame_size * avctx->channels *
av_get_bytes_per_sample(avctx->sample_fmt);
- buf_size += FF_MIN_BUFFER_SIZE;
+ buf_size += 2*FF_MIN_BUFFER_SIZE;
}
}
- if ((ret = ff_alloc_packet(avpkt, buf_size)))
+ if ((ret = ff_alloc_packet2(avctx, avpkt, buf_size)))
return ret;
/* Encoders using AVCodec.encode() that support
if (!ret) {
/* no output. if the packet data was allocated by libavcodec,
free it */
- if (!user_packet)
+ if (!user_pkt.data && avpkt->data != avctx->internal->byte_buffer)
av_freep(&avpkt->data);
} else {
if (avctx->coded_frame)
- avpkt->pts = avctx->coded_frame->pts;
+ avpkt->pts = avpkt->dts = avctx->coded_frame->pts;
/* Set duration for final small packet. This can be removed
once all encoders supporting CODEC_CAP_SMALL_LAST_FRAME use
encode2() */
if (fs_tmp) {
- avpkt->duration = av_rescale_q(avctx->frame_size,
- (AVRational){ 1, avctx->sample_rate },
- avctx->time_base);
+ avpkt->duration = ff_samples_to_time_base(avctx,
+ avctx->frame_size);
}
}
avpkt->size = ret;
if (fs_tmp)
avctx->frame_size = fs_tmp;
}
- if (!ret)
+ if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
+ needs_realloc = 0;
+ if (user_pkt.data) {
+ if (user_pkt.size >= avpkt->size) {
+ memcpy(user_pkt.data, avpkt->data, avpkt->size);
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
+ avpkt->size = user_pkt.size;
+ ret = -1;
+ }
+ avpkt->data = user_pkt.data;
+ avpkt->destruct = user_pkt.destruct;
+ } else {
+ if (av_dup_packet(avpkt) < 0) {
+ ret = AVERROR(ENOMEM);
+ }
+ }
+ }
+
+ if (!ret) {
+ if (needs_realloc && avpkt->data) {
+ uint8_t *new_data = av_realloc(avpkt->data, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (new_data)
+ avpkt->data = new_data;
+ }
+
avctx->frame_number++;
+ }
+
+ if (ret < 0 || !*got_packet_ptr)
+ av_free_packet(avpkt);
/* NOTE: if we add any audio encoders which output non-keyframe packets,
this needs to be moved to the encoders, but for now we can do it
avctx->sample_fmt, 1);
if ((ret = avcodec_fill_audio_frame(frame, avctx->channels,
avctx->sample_fmt,
- samples, samples_size, 1)))
+ (const uint8_t *)samples, samples_size, 1)))
return ret;
/* fabricate frame pts from sample count.
this is needed because the avcodec_encode_audio() API does not have
a way for the user to provide pts */
if(avctx->sample_rate && avctx->time_base.num)
- frame->pts = av_rescale_q(avctx->internal->sample_count,
- (AVRational){ 1, avctx->sample_rate },
- avctx->time_base);
+ frame->pts = ff_samples_to_time_base(avctx,
+ avctx->internal->sample_count);
else
frame->pts = AV_NOPTS_VALUE;
avctx->internal->sample_count += frame->nb_samples;
}
#endif
+#if FF_API_OLD_ENCODE_VIDEO
int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const AVFrame *pict)
{
+ AVPacket pkt;
+ int ret, got_packet = 0;
+
if(buf_size < FF_MIN_BUFFER_SIZE){
av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n");
return -1;
}
- if(av_image_check_size(avctx->width, avctx->height, 0, avctx))
- return -1;
- if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){
- int ret = avctx->codec->encode(avctx, buf, buf_size, pict);
- avctx->frame_number++;
- emms_c(); //needed to avoid an emms_c() call before every return;
- return ret;
- }else
+ av_init_packet(&pkt);
+ pkt.data = buf;
+ pkt.size = buf_size;
+
+ ret = avcodec_encode_video2(avctx, &pkt, pict, &got_packet);
+ if (!ret && got_packet && avctx->coded_frame) {
+ avctx->coded_frame->pts = pkt.pts;
+ avctx->coded_frame->key_frame = !!(pkt.flags & AV_PKT_FLAG_KEY);
+ }
+
+ /* free any side data since we cannot return it */
+ if (pkt.side_data_elems > 0) {
+ int i;
+ for (i = 0; i < pkt.side_data_elems; i++)
+ av_free(pkt.side_data[i].data);
+ av_freep(&pkt.side_data);
+ pkt.side_data_elems = 0;
+ }
+
+ return ret ? ret : pkt.size;
+}
+#endif
+
+int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
+ AVPacket *avpkt,
+ const AVFrame *frame,
+ int *got_packet_ptr)
+{
+ int ret;
+ AVPacket user_pkt = *avpkt;
+ int needs_realloc = !user_pkt.data;
+
+ *got_packet_ptr = 0;
+
+ if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
+ av_free_packet(avpkt);
+ av_init_packet(avpkt);
+ avpkt->size = 0;
return 0;
+ }
+
+ if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
+ return AVERROR(EINVAL);
+
+ av_assert0(avctx->codec->encode2);
+
+ ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
+ av_assert0(ret <= 0);
+
+ if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
+ needs_realloc = 0;
+ if (user_pkt.data) {
+ if (user_pkt.size >= avpkt->size) {
+ memcpy(user_pkt.data, avpkt->data, avpkt->size);
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
+ avpkt->size = user_pkt.size;
+ ret = -1;
+ }
+ avpkt->data = user_pkt.data;
+ avpkt->destruct = user_pkt.destruct;
+ } else {
+ if (av_dup_packet(avpkt) < 0) {
+ ret = AVERROR(ENOMEM);
+ }
+ }
+ }
+
+ if (!ret) {
+ if (!*got_packet_ptr)
+ avpkt->size = 0;
+ else if (!(avctx->codec->capabilities & CODEC_CAP_DELAY))
+ avpkt->pts = avpkt->dts = frame->pts;
+
+ if (needs_realloc && avpkt->data &&
+ avpkt->destruct == av_destruct_packet) {
+ uint8_t *new_data = av_realloc(avpkt->data, avpkt->size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (new_data)
+ avpkt->data = new_data;
+ }
+
+ avctx->frame_number++;
+ }
+
+ if (ret < 0 || !*got_packet_ptr)
+ av_free_packet(avpkt);
+
+ emms_c();
+ return ret;
}
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
return -1;
}
- ret = avctx->codec->encode(avctx, buf, buf_size, sub);
+ ret = avctx->codec->encode(avctx, buf, buf_size, (void *)(intptr_t)sub);
avctx->frame_number++;
return ret;
}
avctx->codec->close(avctx);
avcodec_default_free_buffers(avctx);
avctx->coded_frame = NULL;
+ avctx->internal->byte_buffer_size = 0;
+ av_freep(&avctx->internal->byte_buffer);
av_freep(&avctx->internal);
}
av_opt_free(avctx->priv_data);
av_opt_free(avctx);
av_freep(&avctx->priv_data);
- if (codec_is_encoder(avctx->codec))
+ if (av_codec_is_encoder(avctx->codec))
av_freep(&avctx->extradata);
avctx->codec = NULL;
avctx->active_thread_type = 0;
p = first_avcodec;
id= remap_deprecated_codec_id(id);
while (p) {
- if (codec_is_encoder(p) && p->id == id) {
+ if (av_codec_is_encoder(p) && p->id == id) {
if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) {
experimental = p;
} else
return NULL;
p = first_avcodec;
while (p) {
- if (codec_is_encoder(p) && strcmp(name,p->name) == 0)
+ if (av_codec_is_encoder(p) && strcmp(name,p->name) == 0)
return p;
p = p->next;
}
p = first_avcodec;
id= remap_deprecated_codec_id(id);
while (p) {
- if (codec_is_decoder(p) && p->id == id) {
+ if (av_codec_is_decoder(p) && p->id == id) {
if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) {
experimental = p;
} else
return NULL;
p = first_avcodec;
while (p) {
- if (codec_is_decoder(p) && strcmp(name,p->name) == 0)
+ if (av_codec_is_decoder(p) && strcmp(name,p->name) == 0)
return p;
p = p->next;
}
return NULL;
}
-static int get_bit_rate(AVCodecContext *ctx)
-{
- int bit_rate;
- int bits_per_sample;
-
- switch(ctx->codec_type) {
- case AVMEDIA_TYPE_VIDEO:
- case AVMEDIA_TYPE_DATA:
- case AVMEDIA_TYPE_SUBTITLE:
- case AVMEDIA_TYPE_ATTACHMENT:
- bit_rate = ctx->bit_rate;
- break;
- case AVMEDIA_TYPE_AUDIO:
- bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
- bit_rate = bits_per_sample ? ctx->sample_rate * ctx->channels * bits_per_sample : ctx->bit_rate;
- break;
- default:
- bit_rate = 0;
- break;
- }
- return bit_rate;
-}
-
const char *avcodec_get_name(enum CodecID id)
{
AVCodec *codec;
}
}
-int av_get_bits_per_sample(enum CodecID codec_id){
+int av_get_exact_bits_per_sample(enum CodecID codec_id)
+{
switch(codec_id){
- case CODEC_ID_ADPCM_SBPRO_2:
- return 2;
- case CODEC_ID_ADPCM_SBPRO_3:
- return 3;
- case CODEC_ID_ADPCM_SBPRO_4:
case CODEC_ID_ADPCM_CT:
case CODEC_ID_ADPCM_IMA_APC:
- case CODEC_ID_ADPCM_IMA_WAV:
- case CODEC_ID_ADPCM_IMA_QT:
- case CODEC_ID_ADPCM_SWF:
- case CODEC_ID_ADPCM_MS:
- case CODEC_ID_ADPCM_YAMAHA:
+ case CODEC_ID_ADPCM_IMA_EA_SEAD:
+ case CODEC_ID_ADPCM_IMA_WS:
case CODEC_ID_ADPCM_G722:
+ case CODEC_ID_ADPCM_YAMAHA:
return 4;
case CODEC_ID_PCM_ALAW:
case CODEC_ID_PCM_MULAW:
}
}
+enum CodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be)
+{
+ static const enum CodecID map[AV_SAMPLE_FMT_NB][2] = {
+ [AV_SAMPLE_FMT_U8 ] = { CODEC_ID_PCM_U8, CODEC_ID_PCM_U8 },
+ [AV_SAMPLE_FMT_S16 ] = { CODEC_ID_PCM_S16LE, CODEC_ID_PCM_S16BE },
+ [AV_SAMPLE_FMT_S32 ] = { CODEC_ID_PCM_S32LE, CODEC_ID_PCM_S32BE },
+ [AV_SAMPLE_FMT_FLT ] = { CODEC_ID_PCM_F32LE, CODEC_ID_PCM_F32BE },
+ [AV_SAMPLE_FMT_DBL ] = { CODEC_ID_PCM_F64LE, CODEC_ID_PCM_F64BE },
+ [AV_SAMPLE_FMT_U8P ] = { CODEC_ID_PCM_U8, CODEC_ID_PCM_U8 },
+ [AV_SAMPLE_FMT_S16P] = { CODEC_ID_PCM_S16LE, CODEC_ID_PCM_S16BE },
+ [AV_SAMPLE_FMT_S32P] = { CODEC_ID_PCM_S32LE, CODEC_ID_PCM_S32BE },
+ [AV_SAMPLE_FMT_FLTP] = { CODEC_ID_PCM_F32LE, CODEC_ID_PCM_F32BE },
+ [AV_SAMPLE_FMT_DBLP] = { CODEC_ID_PCM_F64LE, CODEC_ID_PCM_F64BE },
+ };
+ if (fmt < 0 || fmt >= AV_SAMPLE_FMT_NB)
+ return CODEC_ID_NONE;
+ if (be < 0 || be > 1)
+ be = AV_NE(1, 0);
+ return map[fmt][be];
+}
+
+int av_get_bits_per_sample(enum CodecID codec_id)
+{
+ switch (codec_id) {
+ case CODEC_ID_ADPCM_SBPRO_2:
+ return 2;
+ case CODEC_ID_ADPCM_SBPRO_3:
+ return 3;
+ case CODEC_ID_ADPCM_SBPRO_4:
+ case CODEC_ID_ADPCM_IMA_WAV:
+ case CODEC_ID_ADPCM_IMA_QT:
+ case CODEC_ID_ADPCM_SWF:
+ case CODEC_ID_ADPCM_MS:
+ return 4;
+ default:
+ return av_get_exact_bits_per_sample(codec_id);
+ }
+}
+
+int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
+{
+ int id, sr, ch, ba, tag, bps;
+
+ id = avctx->codec_id;
+ sr = avctx->sample_rate;
+ ch = avctx->channels;
+ ba = avctx->block_align;
+ tag = avctx->codec_tag;
+ bps = av_get_exact_bits_per_sample(avctx->codec_id);
+
+ /* codecs with an exact constant bits per sample */
+ if (bps > 0 && ch > 0 && frame_bytes > 0)
+ return (frame_bytes * 8) / (bps * ch);
+ bps = avctx->bits_per_coded_sample;
+
+ /* codecs with a fixed packet duration */
+ switch (id) {
+ case CODEC_ID_ADPCM_ADX: return 32;
+ case CODEC_ID_ADPCM_IMA_QT: return 64;
+ case CODEC_ID_ADPCM_EA_XAS: return 128;
+ case CODEC_ID_AMR_NB:
+ case CODEC_ID_GSM:
+ case CODEC_ID_QCELP:
+ case CODEC_ID_RA_144:
+ case CODEC_ID_RA_288: return 160;
+ case CODEC_ID_IMC: return 256;
+ case CODEC_ID_AMR_WB:
+ case CODEC_ID_GSM_MS: return 320;
+ case CODEC_ID_MP1: return 384;
+ case CODEC_ID_ATRAC1: return 512;
+ case CODEC_ID_ATRAC3: return 1024;
+ case CODEC_ID_MP2:
+ case CODEC_ID_MUSEPACK7: return 1152;
+ case CODEC_ID_AC3: return 1536;
+ }
+
+ if (sr > 0) {
+ /* calc from sample rate */
+ if (id == CODEC_ID_TTA)
+ return 256 * sr / 245;
+
+ if (ch > 0) {
+ /* calc from sample rate and channels */
+ if (id == CODEC_ID_BINKAUDIO_DCT)
+ return (480 << (sr / 22050)) / ch;
+ }
+ }
+
+ if (ba > 0) {
+ /* calc from block_align */
+ if (id == CODEC_ID_SIPR) {
+ switch (ba) {
+ case 20: return 160;
+ case 19: return 144;
+ case 29: return 288;
+ case 37: return 480;
+ }
+ }
+ }
+
+ if (frame_bytes > 0) {
+ /* calc from frame_bytes only */
+ if (id == CODEC_ID_TRUESPEECH)
+ return 240 * (frame_bytes / 32);
+ if (id == CODEC_ID_NELLYMOSER)
+ return 256 * (frame_bytes / 64);
+
+ if (bps > 0) {
+ /* calc from frame_bytes and bits_per_coded_sample */
+ if (id == CODEC_ID_ADPCM_G726)
+ return frame_bytes * 8 / bps;
+ }
+
+ if (ch > 0) {
+ /* calc from frame_bytes and channels */
+ switch (id) {
+ case CODEC_ID_ADPCM_4XM:
+ case CODEC_ID_ADPCM_IMA_ISS:
+ return (frame_bytes - 4 * ch) * 2 / ch;
+ case CODEC_ID_ADPCM_IMA_SMJPEG:
+ return (frame_bytes - 4) * 2 / ch;
+ case CODEC_ID_ADPCM_IMA_AMV:
+ return (frame_bytes - 8) * 2 / ch;
+ case CODEC_ID_ADPCM_XA:
+ return (frame_bytes / 128) * 224 / ch;
+ case CODEC_ID_INTERPLAY_DPCM:
+ return (frame_bytes - 6 - ch) / ch;
+ case CODEC_ID_ROQ_DPCM:
+ return (frame_bytes - 8) / ch;
+ case CODEC_ID_XAN_DPCM:
+ return (frame_bytes - 2 * ch) / ch;
+ case CODEC_ID_MACE3:
+ return 3 * frame_bytes / ch;
+ case CODEC_ID_MACE6:
+ return 6 * frame_bytes / ch;
+ case CODEC_ID_PCM_LXF:
+ return 2 * (frame_bytes / (5 * ch));
+ }
+
+ if (tag) {
+ /* calc from frame_bytes, channels, and codec_tag */
+ if (id == CODEC_ID_SOL_DPCM) {
+ if (tag == 3)
+ return frame_bytes / ch;
+ else
+ return frame_bytes * 2 / ch;
+ }
+ }
+
+ if (ba > 0) {
+ /* calc from frame_bytes, channels, and block_align */
+ int blocks = frame_bytes / ba;
+ switch (avctx->codec_id) {
+ case CODEC_ID_ADPCM_IMA_WAV:
+ return blocks * (1 + (ba - 4 * ch) / (4 * ch) * 8);
+ case CODEC_ID_ADPCM_IMA_DK3:
+ return blocks * (((ba - 16) * 2 / 3 * 4) / ch);
+ case CODEC_ID_ADPCM_IMA_DK4:
+ return blocks * (1 + (ba - 4 * ch) * 2 / ch);
+ case CODEC_ID_ADPCM_MS:
+ return blocks * (2 + (ba - 7 * ch) * 2 / ch);
+ }
+ }
+
+ if (bps > 0) {
+ /* calc from frame_bytes, channels, and bits_per_coded_sample */
+ switch (avctx->codec_id) {
+ case CODEC_ID_PCM_DVD:
+ return 2 * (frame_bytes / ((bps * 2 / 8) * ch));
+ case CODEC_ID_PCM_BLURAY:
+ return frame_bytes / ((FFALIGN(ch, 2) * bps) / 8);
+ case CODEC_ID_S302M:
+ return 2 * (frame_bytes / ((bps + 4) / 4)) / ch;
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
#if !HAVE_THREADS
int ff_thread_init(AVCodecContext *s){
return -1;
projects / ffmpeg / blobdiff