mirror of https://git.ffmpeg.org/ffmpeg.git
The vflip filter does not need to keep ownership of a picture reference.
Avoid creating and releasing useless extra picture references in the start_frame and end_frame callbacks. Originally committed as revision 22596 to svn://svn.ffmpeg.org/ffmpeg/trunk
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d313e17ab1
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@ -63,19 +63,18 @@ static AVFilterPicRef *get_video_buffer(AVFilterLink *link, int perms,
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static void start_frame(AVFilterLink *link, AVFilterPicRef *picref)
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static void start_frame(AVFilterLink *link, AVFilterPicRef *picref)
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{
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{
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FlipContext *flip = link->dst->priv;
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FlipContext *flip = link->dst->priv;
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AVFilterPicRef *ref2 = avfilter_ref_pic(picref, ~0);
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int i;
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int i;
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for (i = 0; i < 4; i ++) {
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for (i = 0; i < 4; i ++) {
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int vsub = i == 1 || i == 2 ? flip->vsub : 0;
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int vsub = i == 1 || i == 2 ? flip->vsub : 0;
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if (ref2->data[i]) {
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if (picref->data[i]) {
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ref2->data[i] += ((link->h >> vsub)-1) * ref2->linesize[i];
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picref->data[i] += ((link->h >> vsub)-1) * picref->linesize[i];
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ref2->linesize[i] = -ref2->linesize[i];
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picref->linesize[i] = -picref->linesize[i];
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}
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}
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}
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}
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avfilter_start_frame(link->dst->outputs[0], ref2);
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avfilter_start_frame(link->dst->outputs[0], picref);
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}
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}
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static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
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static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
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@ -96,6 +95,7 @@ AVFilter avfilter_vf_vflip = {
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.get_video_buffer = get_video_buffer,
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.get_video_buffer = get_video_buffer,
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.start_frame = start_frame,
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.start_frame = start_frame,
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.draw_slice = draw_slice,
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.draw_slice = draw_slice,
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.end_frame = avfilter_null_end_frame,
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.config_props = config_input, },
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.config_props = config_input, },
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{ .name = NULL}},
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{ .name = NULL}},
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.outputs = (AVFilterPad[]) {{ .name = "default",
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.outputs = (AVFilterPad[]) {{ .name = "default",
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