[Libav-user] Why video plays faster after conversion in spite of same FPS?

Rouhi Amirhossein s3288736 at student.rmit.edu.au
Thu Jun 21 03:32:20 CEST 2012

I convert a video from mp4 to elementary stream h264 . but after conversion
in spite of same fps but the video looks playing faster . the information
of main and converted videos are:
main video:            Stream #0:0(und): Video: h264 (Constrained Baseline)
(avc1 / 0x31637661), yuv420p, 320x240, 513 kb/s, 25 fps, 25 tbr, 25 tbn, 50
converted video:     Stream #0:0: Video: h264 (High), yuv420p, 320x240, 25
fps, 25 tbr, 1200k tbn, 50 tbc
tbn shows a big change and fps and tbr are same in the both videos.
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