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lavfi/hue: add an optimized direct path.

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This commit is contained in:
Clément Bœsch 2013-03-09 05:17:01 +01:00
parent 4a62f477ea
commit 3da54858d3
1 changed files with 8 additions and 0 deletions
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8
libavfilter/vf_hue.c
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@ -281,13 +281,19 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpic)
HueContext *hue = inlink->dst->priv;
AVFilterLink *outlink = inlink->dst->outputs[0];
AVFrame *outpic;
int direct = 0;
if (av_frame_is_writable(inpic)) {
direct = 1;
outpic = inpic;
} else {
outpic = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!outpic) {
av_frame_free(&inpic);
return AVERROR(ENOMEM);
}
av_frame_copy_props(outpic, inpic);
}
if (!hue->flat_syntax) {
hue->var_values[VAR_T] = TS2T(inpic->pts, inlink->time_base);
@ -321,6 +327,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpic)
hue->var_values[VAR_N] += 1;
if (!direct)
av_image_copy_plane(outpic->data[0], outpic->linesize[0],
inpic->data[0], inpic->linesize[0],
inlink->w, inlink->h);
@ -330,6 +337,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpic)
inlink->w >> hue->hsub, inlink->h >> hue->vsub,
hue->hue_cos, hue->hue_sin);
if (!direct)
av_frame_free(&inpic);
return ff_filter_frame(outlink, outpic);
}