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Code Issues Releases Activity

lavfi: add a function for copying properties from AVFilterBufferRef->AVFrame

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Based on a commit by Stefano Sabatini <stefano.sabatini-lala@poste.it>
This commit is contained in:
Anton Khirnov 2012-04-27 17:27:40 +02:00
parent 5699884c2e
commit ab165047a6
2 changed files with 38 additions and 0 deletions
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30
libavfilter/avfilter.c
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@ -708,6 +708,36 @@ int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src)
return 0;
}
int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src)
{
memcpy(dst->data, src->data, sizeof(dst->data));
memcpy(dst->linesize, src->linesize, sizeof(dst->linesize));
dst->pts = src->pts;
dst->format = src->format;
switch (src->type) {
case AVMEDIA_TYPE_VIDEO:
dst->width = src->video->w;
dst->height = src->video->h;
dst->sample_aspect_ratio = src->video->pixel_aspect;
dst->interlaced_frame = src->video->interlaced;
dst->top_field_first = src->video->top_field_first;
dst->key_frame = src->video->key_frame;
dst->pict_type = src->video->pict_type;
break;
case AVMEDIA_TYPE_AUDIO:
dst->sample_rate = src->audio->sample_rate;
dst->channel_layout = src->audio->channel_layout;
dst->nb_samples = src->audio->nb_samples;
break;
default:
return AVERROR(EINVAL);
}
return 0;
}
void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
{
// copy common properties

8
libavfilter/avfilter.h
View File

@ -848,4 +848,12 @@ static inline void avfilter_insert_outpad(AVFilterContext *f, unsigned index,
*/
int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src);
/**
* Copy the frame properties and data pointers of src to dst, without copying
* the actual data.
*
* @return 0 on success, a negative number on error.
*/
int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src);
#endif /* AVFILTER_AVFILTER_H */