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vf_settb: simplify start_frame().

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Avoid pointless filter ref/unref. Just use the reference passed to
start_frame().
This commit is contained in:
Anton Khirnov 2012-07-11 11:00:48 +02:00
parent 9203fa0b32
commit 0393af4f0b
1 changed files with 6 additions and 7 deletions
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13
libavfilter/vf_settb.c
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@ -108,18 +108,17 @@ static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
{
AVFilterContext *ctx = inlink->dst;
AVFilterLink *outlink = ctx->outputs[0];
AVFilterBufferRef *picref2 = picref;
if (av_cmp_q(inlink->time_base, outlink->time_base)) {
picref2 = avfilter_ref_buffer(picref, ~0);
picref2->pts = av_rescale_q(picref->pts, inlink->time_base, outlink->time_base);
int64_t orig_pts = picref->pts;
picref->pts = av_rescale_q(picref->pts, inlink->time_base, outlink->time_base);
av_log(ctx, AV_LOG_DEBUG, "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
inlink ->time_base.num, inlink ->time_base.den, picref ->pts,
outlink->time_base.num, outlink->time_base.den, picref2->pts);
avfilter_unref_buffer(picref);
inlink ->time_base.num, inlink ->time_base.den, orig_pts,
outlink->time_base.num, outlink->time_base.den, picref->pts);
}
inlink->cur_buf = NULL;
ff_start_frame(outlink, picref2);
ff_start_frame(outlink, picref);
}
AVFilter avfilter_vf_settb = {