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libavfilter: implement avfilter_fill_frame_from_video_buffer_ref()

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This commit is contained in:
Stefano Sabatini 2011-06-11 18:21:53 +02:00
parent c535494268
commit 3fe6bbd5dc
4 changed files with 34 additions and 1 deletions
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4
doc/APIchanges
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@ -13,6 +13,10 @@ libavutil: 2011-04-18
API changes, most recent first: API changes, most recent first:
2011-06-12 - xxxxxxx - lavfi 2.18.0 - avcodec.h
Add avfilter_get_video_buffer_ref_from_frame() function in
libavfilter/avcodec.h.
2011-06-12 - xxxxxxx - lavfi 2.17.0 - avfiltergraph.h 2011-06-12 - xxxxxxx - lavfi 2.17.0 - avfiltergraph.h
Add avfilter_inout_alloc() and avfilter_inout_free() functions. Add avfilter_inout_alloc() and avfilter_inout_free() functions.

18
libavfilter/avcodec.c
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@ -53,3 +53,21 @@ AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame
avfilter_copy_frame_props(picref, frame); avfilter_copy_frame_props(picref, frame);
return picref; return picref;
} }
int avfilter_fill_frame_from_video_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *picref)
{
if (!picref || !picref->video || !frame)
return AVERROR(EINVAL);
memcpy(frame->data, picref->data, sizeof(frame->data));
memcpy(frame->linesize, picref->linesize, sizeof(frame->linesize));
frame->pkt_pos = picref->pos;
frame->interlaced_frame = picref->video->interlaced;
frame->top_field_first = picref->video->top_field_first;
frame->key_frame = picref->video->key_frame;
frame->pict_type = picref->video->pict_type;
frame->sample_aspect_ratio = picref->video->sample_aspect_ratio;
return 0;
}

11
libavfilter/avcodec.h
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@ -46,6 +46,17 @@ void avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src);
*/ */
AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame, int perms); AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame, int perms);
/**
* Fill an AVFrame with the information stored in picref.
*
* @param frame an already allocated AVFrame
* @param picref a video buffer reference
* @return 0 in case of success, a negative AVERROR code in case of
* failure
*/
int avfilter_fill_frame_from_video_buffer_ref(AVFrame *frame,
const AVFilterBufferRef *picref);
/** /**
* Add frame data to buffer_src. * Add frame data to buffer_src.
* *

2
libavfilter/avfilter.h
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@ -26,7 +26,7 @@
#include "libavutil/samplefmt.h" #include "libavutil/samplefmt.h"
#define LIBAVFILTER_VERSION_MAJOR 2 #define LIBAVFILTER_VERSION_MAJOR 2
#define LIBAVFILTER_VERSION_MINOR 17 #define LIBAVFILTER_VERSION_MINOR 18
#define LIBAVFILTER_VERSION_MICRO 0 #define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \ #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \