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

Alex Cohn alexcohn at netvision.net.il
Thu Jun 21 12:22:15 CEST 2012


On Thu, Jun 21, 2012 at 4:32 AM, Rouhi Amirhossein <
s3288736 at student.rmit.edu.au> wrote:

>
> Hi
> 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 tbc
> 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.
> Regards
> --
> Amir
>

1. How do you play back? Which player do you use?

2. How did you convert? Please provide any console output from conversion,
too.

BR,
Alex
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