[FFmpeg-user] remux AVI (H.264+MP3) to MP3 causes problems in browser; Missing PTS timestamps

[Carl Eugen Hoyos]

2019-01-03 21:14 GMT+01:00, Ben <bxstover-at-yahoo.co.uk at ffmpeg.org>:
> I have videos in AVI format which contain MP3 and H.264 encoded videos.
>
> I can play them successfully on my local Windows computer with videoplayers
> tools like VLC
>
> Now I remux (without new encoding) them with the following ffmpeg command to
> MP4 container :
>
> Fmpeg.exe  -i test.avi -acodec copy -vcodec copy -map 0 test_out.mp4
>
> I still can play the successfully  on my local Windows computer with
> videoplayers tools like VLC
>
>
> Afterwards I uploaded them to a remote server and launched them in browser.
>
> Unfortuntely when I call these videos now in browser then
>
> - Firefox v64.0 plays no audio (only video)

Does Firefox support mp3-in-isom?

> - Chrome plays audio but video is stuttering.

Does it work if you use MP4Box to remux?

Carl Eugen