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Add metadata injection to blackdetect

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Billy Shambrook 2014-05-22 21:48:41 +01:00 committed by Michael Niedermayer
parent 9722a6a3f3
commit 308188be34
1 changed files with 5 additions and 0 deletions
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5
libavfilter/vf_blackdetect.c
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@ -134,6 +134,7 @@ static int request_frame(AVFilterLink *outlink)
return ret;
}
// TODO: document metadata
static int filter_frame(AVFilterLink *inlink, AVFrame *picref)
{
AVFilterContext *ctx = inlink->dst;
@ -161,12 +162,16 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *picref)
/* black starts here */
blackdetect->black_started = 1;
blackdetect->black_start = picref->pts;
av_dict_set(avpriv_frame_get_metadatap(picref), "lavfi.black_start",
av_ts2timestr(blackdetect->black_start, &inlink->time_base), 0);
}
} else if (blackdetect->black_started) {
/* black ends here */
blackdetect->black_started = 0;
blackdetect->black_end = picref->pts;
check_black_end(ctx);
av_dict_set(avpriv_frame_get_metadatap(picref), "lavfi.black_end",
av_ts2timestr(blackdetect->black_end, &inlink->time_base), 0);
}
blackdetect->last_picref_pts = picref->pts;