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lavfi: implement avfilter_get_audio_buffer_ref_from_frame.

This commit is contained in:
Nicolas George 2012-04-28 13:05:09 +02:00
parent 9e6a1c8981
commit 32094285ad
2 changed files with 24 additions and 0 deletions
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14
libavfilter/avcodec.c
View File

@ -56,6 +56,20 @@ AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame
return picref;
}
AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_frame(const AVFrame *frame,
int perms)
{
AVFilterBufferRef *picref =
avfilter_get_audio_buffer_ref_from_arrays((uint8_t **)frame->data, (int *)frame->linesize, perms,
frame->nb_samples, frame->format,
av_frame_get_channel_layout(frame),
av_sample_fmt_is_planar(frame->format));
if (!picref)
return NULL;
avfilter_copy_frame_props(picref, frame);
return picref;
}
int avfilter_fill_frame_from_audio_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *samplesref)
{

10
libavfilter/avcodec.h
View File

@ -46,6 +46,16 @@ int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src);
*/
AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame, int perms);
/**
* Create and return a picref reference from the data and properties
* contained in frame.
*
* @param perms permissions to assign to the new buffer reference
*/
AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_frame(const AVFrame *frame,
int perms);
/**
* Fill an AVFrame with the information stored in samplesref.
*