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qtdemux: Don't pass zero to denominator for framerate

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Need to respect return of gst_video_guess_framerate() to ensure
non-zero denominator.

This patch is to fix below error with an abnormal (but has valid frame) file.
(gst-play-1.0:17940): GStreamer-CRITICAL **: passed '0' as denominator for `GstFraction'
This commit is contained in:
Seungha Yang 2019-03-19 12:31:35 +09:00
parent 75f26bc954
commit 63bb1e3a4d
1 changed files with 3 additions and 2 deletions
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5
gst/isomp4/qtdemux.c
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@ -8522,8 +8522,9 @@ gst_qtdemux_guess_framerate (GstQTDemux * qtdemux, QtDemuxStream * stream)
GST_TIME_FORMAT, duration, first_duration,
n_samples - 1, GST_TIME_ARGS (avg_duration));
gst_video_guess_framerate (avg_duration, &CUR_STREAM (stream)->fps_n,
&CUR_STREAM (stream)->fps_d);
fps_available =
gst_video_guess_framerate (avg_duration,
&CUR_STREAM (stream)->fps_n, &CUR_STREAM (stream)->fps_d);
GST_DEBUG_OBJECT (qtdemux,
"Calculating framerate, timescale %u gave fps_n %d fps_d %d",