[FFmpeg-devel] h264 and opus in .mp4 container

Lou Logan lou at lrcd.com
Fri Feb 23 22:04:43 EET 2018

On Thu, Feb 22, 2018, at 9:00 PM, Vittalprasad wrote:
> Hi All,
> From below link i saw that mp4 container can have h264 as video codec and
> opus as audio codec. so i tried  both codecs in to mp4 using ffmpeg, but
> external player like mplayer, vlc and kmp are failing to decode voice . i.e
> while playing mp4 file there is only video no voice.
> https://en.wikipedia.org/wiki/Comparison_of_video_container_formats
> Procedure followed using ffmpeg:
> 1. From sample mp4 file, i have separated audio(aac codec) and video(h264)
> in to different files .
> 2. aac trans-coded to opus
> 3. tried to merge video and audio(opus) in to single mp4
> please let me know
> 1. whether ffmpeg support above codecs in single mp4 file or issue with
> external player .
> If anyone has  mp4 file with h264 and opus codecs please provide me along
> with procedure to convert.
> Thanks & Regards
> Vittal Prasad B R

Wrong mailing list. ffmpeg-devel is only for patch submissions and discussions related to the development of FFmpeg. Usage questions involving the FFmpeg cli tools should be asked at the ffmpeg-user mailing list.

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