[FFmpeg-user] converting to h.264 using ffmpeg

[sudan landge]

Hello Carl,

Thanks for your reply.
I used the command that you sent:
ffmpeg -i infile.mp4 -an -vcodec libx264 -crf 23 outfile.h264

and it worked perfectly fine.

Thanks and regards,
Sudan

On 5/23/12, Mike Scheutzow <mike.scheutzow at alcatel-lucent.com> wrote:
> sudan landge wrote:
>> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'sample_mpeg4.mp4':
>>   ...
>>     Stream #0:1(eng): Video: mpeg4 (Advanced Simple Profile) (mp4v /
>> 0x7634706D), yuv420p, 190x240 [SAR 1:1 DAR 19:24], 341 kb/s, 30 fps,
>> 30 tbr, 30 tbn, 1k tbc
>
> Adding to what Carl already told you:
>
> Your input file does not contain h264 video, it contains 'mpeg4 part 2'
> video. So you can't just *copy* the video stream out of this file and
> expect to have a valid h264 file.
>
>  >     Stream #0:1(eng): Video: mpeg4 (Advanced Simple Profile) (mp4v /
>
> This line will say 'Video: h264' if your input file actually has an h264
> video stream. In that case, your original command line should work.
>
> If your ffmpeg was compiled to support libx264, you can transcode from
> mp4v to h264:
>
> ffmpeg -i infile.mp4 -an -vcodec libx264 -crf 23 outfile.h264
>
>
> Mike Scheutzow
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