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

[amir.rouhi at rmit.edu.au]

For playback i use ffplay or SMplayer, both shows the same, a faster
playing video.
The encoding command is as bellow:
ffmpeg -i C:\r.mp4 -an -vcodec libx264 -threads 0  -f h264 -g 0 C:\r.264

On 21 June 2012 20:22, Alex Cohn <alexcohn at netvision.net.il> wrote:

> 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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>


-- 
Amir H. Rouhi
PhD Student/ CSIT RMIT University
Room: 14-09-04
http://raws.adc.rmit.edu.au/~s3288736/blog2/
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