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Implement avfilter_get_video_buffer_ref_from_arrays().

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Originally committed as revision 25827 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini
2010-11-25 20:50:28 +00:00
parent 4723bc2868
commit d38c340fdc
4 changed files with 74 additions and 35 deletions
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40
libavfilter/avfilter.c
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@@ -267,6 +267,46 @@ AVFilterBufferRef *avfilter_get_video_buffer(AVFilterLink *link, int perms, int
return ret;
}
AVFilterBufferRef *
avfilter_get_video_buffer_ref_from_arrays(uint8_t *data[4], int linesize[4], int perms,
int w, int h, enum PixelFormat format)
{
AVFilterBuffer *pic = av_mallocz(sizeof(AVFilterBuffer));
AVFilterBufferRef *picref = av_mallocz(sizeof(AVFilterBufferRef));
if (!pic || !picref)
goto fail;
picref->buf = pic;
picref->buf->free = ff_avfilter_default_free_buffer;
if (!(picref->video = av_mallocz(sizeof(AVFilterBufferRefVideoProps))))
goto fail;
picref->video->w = w;
picref->video->h = h;
/* make sure the buffer gets read permission or it's useless for output */
picref->perms = perms | AV_PERM_READ;
pic->refcount = 1;
picref->type = AVMEDIA_TYPE_VIDEO;
picref->format = format;
memcpy(pic->data, data, sizeof(pic->data));
memcpy(pic->linesize, linesize, sizeof(pic->linesize));
memcpy(picref->data, pic->data, sizeof(picref->data));
memcpy(picref->linesize, pic->linesize, sizeof(picref->linesize));
return picref;
fail:
if (picref && picref->video)
av_free(picref->video);
av_free(picref);
av_free(pic);
return NULL;
}
AVFilterBufferRef *avfilter_get_audio_buffer(AVFilterLink *link, int perms,
enum AVSampleFormat sample_fmt, int size,
int64_t channel_layout, int planar)