*size= min_size;
}
+void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
+{
+ void **p = ptr;
+ if (min_size > SIZE_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
+ av_freep(p);
+ *size = 0;
+ return;
+ }
+ av_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (*size)
+ memset((uint8_t *)*p + min_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+}
+
/* encoder management */
static AVCodec *first_avcodec = NULL;
return;
initialized = 1;
- dsputil_static_init();
+ ff_dsputil_static_init();
}
static av_always_inline int codec_is_encoder(AVCodec *codec)
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) {
- for (i = 0; i < 4; i++)
- linesize_align[i] = 16;
- }
-#endif
}
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
if (avcodec_is_open(avctx))
return 0;
+ if ((!codec && !avctx->codec)) {
+ av_log(avctx, AV_LOG_ERROR, "No codec provided to avcodec_open2().\n");
+ return AVERROR(EINVAL);
+ }
+ if ((codec && avctx->codec && codec != avctx->codec)) {
+ av_log(avctx, AV_LOG_ERROR, "This AVCodecContext was allocated for %s, "
+ "but %s passed to avcodec_open2().\n", avctx->codec->name, codec->name);
+ return AVERROR(EINVAL);
+ }
+ if (!codec)
+ codec = avctx->codec;
+
if (avctx->extradata_size < 0 || avctx->extradata_size >= FF_MAX_EXTRADATA_SIZE)
return AVERROR(EINVAL);
goto end;
}
- if(avctx->codec || !codec) {
- ret = AVERROR(EINVAL);
- goto end;
- }
-
avctx->internal = av_mallocz(sizeof(AVCodecInternal));
if (!avctx->internal) {
ret = AVERROR(ENOMEM);
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 (avpkt->data) {
uint8_t *pkt_data;
- int pkt_size;
if (avpkt->size < size)
return AVERROR(EINVAL);
pkt_data = avpkt->data;
- pkt_size = avpkt->size;
av_init_packet(avpkt);
avpkt->data = pkt_data;
- avpkt->size = pkt_size;
+ avpkt->size = size;
return 0;
} else {
return av_new_packet(avpkt, size);
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)) {
+ avpkt->pts = frame->pts;
+ avpkt->duration = av_rescale_q(frame->nb_samples,
+ (AVRational){ 1, avctx->sample_rate },
+ avctx->time_base);
+ }
+ avpkt->dts = avpkt->pts;
+ } else {
+ avpkt->size = 0;
}
} else {
/* for compatibility with encoders not supporting encode2(), we need to
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() */
}
#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
+
+#define MAX_CODED_FRAME_SIZE(width, height)\
+ (8*(width)*(height) + FF_MIN_BUFFER_SIZE)
+
+int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
+ AVPacket *avpkt,
+ const AVFrame *frame,
+ int *got_packet_ptr)
+{
+ int ret;
+ int user_packet = !!avpkt->data;
+
+ if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
+ av_init_packet(avpkt);
+ avpkt->size = 0;
+ *got_packet_ptr = 0;
return 0;
+ }
+
+ if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
+ return AVERROR(EINVAL);
+
+ if (avctx->codec->encode2) {
+ *got_packet_ptr = 0;
+ ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
+ if (!ret) {
+ if (!*got_packet_ptr)
+ avpkt->size = 0;
+ else if (!(avctx->codec->capabilities & CODEC_CAP_DELAY))
+ avpkt->pts = avpkt->dts = frame->pts;
+ }
+ } else {
+ /* for compatibility with encoders not supporting encode2(), we need to
+ allocate a packet buffer if the user has not provided one or check
+ the size otherwise */
+ int buf_size = avpkt->size;
+
+ if (!user_packet)
+ buf_size = MAX_CODED_FRAME_SIZE(avctx->width, avctx->height);
+
+ if ((ret = ff_alloc_packet(avpkt, buf_size)))
+ return ret;
+
+ /* encode the frame */
+ ret = avctx->codec->encode(avctx, avpkt->data, avpkt->size, frame);
+ if (ret >= 0) {
+ if (!ret) {
+ /* no output. if the packet data was allocated by libavcodec,
+ free it */
+ if (!user_packet)
+ av_freep(&avpkt->data);
+ } else if (avctx->coded_frame) {
+ avpkt->pts = avctx->coded_frame->pts;
+ avpkt->flags |= AV_PKT_FLAG_KEY*avctx->coded_frame->key_frame;
+ }
+
+ avpkt->size = ret;
+ *got_packet_ptr = (ret > 0);
+ ret = 0;
+ }
+ }
+
+ if (!ret)
+ avctx->frame_number++;
+
+ emms_c();
+ return ret;
}
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
return -1;
}
- if (HAVE_THREADS && avctx->thread_opaque)
- ff_thread_free(avctx);
- if (avctx->codec && avctx->codec->close)
- avctx->codec->close(avctx);
- avcodec_default_free_buffers(avctx);
- avctx->coded_frame = NULL;
- av_freep(&avctx->internal);
- if (avctx->codec && avctx->codec->priv_class)
+ if (avcodec_is_open(avctx)) {
+ if (HAVE_THREADS && avctx->thread_opaque)
+ ff_thread_free(avctx);
+ if (avctx->codec && avctx->codec->close)
+ avctx->codec->close(avctx);
+ avcodec_default_free_buffers(avctx);
+ avctx->coded_frame = NULL;
+ av_freep(&avctx->internal);
+ }
+
+ if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
av_opt_free(avctx->priv_data);
av_opt_free(avctx);
av_freep(&avctx->priv_data);
projects / ffmpeg / blobdiff