[FFmpeg-devel] [PATCH 2/5] avformat/mxfdec: use int math for sample count calculation

Marton Balint cus at passwd.hu
Sun May 27 22:21:51 EEST 2018


This also changes the rounding to nearest.

Signed-off-by: Marton Balint <cus at passwd.hu>
---
 libavformat/mxfdec.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 40c9e0c3a9..78a2aa7289 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -3167,8 +3167,7 @@ static int mxf_compute_sample_count(MXFContext *mxf, int stream_index,
     if (!spf) {
         int remainder = (sample_rate.num * time_base.num) %
                         (time_base.den * sample_rate.den);
-        *sample_count = av_q2d(av_mul_q((AVRational){mxf->current_edit_unit, 1},
-                                        av_mul_q(sample_rate, time_base)));
+        *sample_count = av_rescale_q(mxf->current_edit_unit, sample_rate, track->edit_rate);
         if (remainder)
             av_log(mxf->fc, AV_LOG_WARNING,
                    "seeking detected on stream #%d with time base (%d/%d) and "
-- 
2.16.3



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