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| author | Clément Bœsch <ubitux@gmail.com> | 2013-04-10 02:38:07 +0200 |
|---|---|---|
| committer | Clément Bœsch <ubitux@gmail.com> | 2013-04-10 02:38:54 +0200 |
| commit | d2e051e30c0ffc1e80a7e7e76ccdfbeb2956daa6 (patch) | |
| tree | 5113084c029a8ad6e49f61b8872772bf707a3c40 | |
| parent | 685617ac29d7ca5fa0d83929b2b24988a2261ef9 (diff) | |
| download | ffmpeg-d2e051e30c0ffc1e80a7e7e76ccdfbeb2956daa6.tar.gz | |
lavfi/separatefields: adjust tb to avoid rounding errors.
Since the PTS need double accuracy, the timebase denominator is doubled
as well, and this new time base is used for the timestamp unit.
| -rw-r--r-- | libavfilter/vf_separatefields.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavfilter/vf_separatefields.c b/libavfilter/vf_separatefields.c index 81f37cf7c5..5849b62b77 100644 --- a/libavfilter/vf_separatefields.c +++ b/libavfilter/vf_separatefields.c @@ -41,11 +41,13 @@ static int config_props_output(AVFilterLink *outlink) return AVERROR_INVALIDDATA; } + outlink->time_base.num = inlink->time_base.num; + outlink->time_base.den = inlink->time_base.den * 2; outlink->frame_rate.num = inlink->frame_rate.num * 2; outlink->frame_rate.den = inlink->frame_rate.den; outlink->w = inlink->w; outlink->h = inlink->h / 2; - sf->ts_unit = av_q2d(av_inv_q(av_mul_q(outlink->frame_rate, inlink->time_base))); + sf->ts_unit = av_q2d(av_inv_q(av_mul_q(outlink->frame_rate, outlink->time_base))); return 0; } |