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Adjust the default start_frame() and end_frame() implementations to simplify
the implementation of simple filters. Commited in SoC by Bobby Bingham on 2007-07-08 16:48:15 Originally committed as revision 11982 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -64,13 +64,28 @@ AVFilterPicRef *avfilter_default_get_video_buffer(AVFilterLink *link, int perms)
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void avfilter_default_start_frame(AVFilterLink *link, AVFilterPicRef *picref)
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{
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AVFilterLink *out = link->dst->outputs[0];
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link->cur_pic = picref;
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if(out) {
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out->outpic = avfilter_get_video_buffer(out, AV_PERM_WRITE);
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avfilter_start_frame(out, avfilter_ref_pic(out->outpic, ~0));
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}
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}
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void avfilter_default_end_frame(AVFilterLink *link)
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{
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AVFilterLink *out = link->dst->outputs[0];
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avfilter_unref_pic(link->cur_pic);
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link->cur_pic = NULL;
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if(out) {
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avfilter_unref_pic(out->outpic);
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out->outpic = NULL;
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avfilter_end_frame(out);
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}
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}
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AVFilterPicRef *avfilter_ref_pic(AVFilterPicRef *ref, int pmask)
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