[FFmpeg-user] How to convert a set of pgm files to an rtsp streamable mp4 file
arnstrb at yahoo.com
Tue May 3 22:06:18 CEST 2011
Did you run mp4box on a linux box or a windows box?
From: Mike Scheutzow <mike.scheutzow at alcatel-lucent.com>
To: FFmpeg user questions and RTFMs <ffmpeg-user at ffmpeg.org>
Sent: Tue, May 3, 2011 2:59:49 PM
Subject: Re: [FFmpeg-user] How to convert a set of pgm files to an rtsp
streamable mp4 file
Arnie Bearak wrote:
> I am hoping someone can help me with this issue as I have not been able to
>create an rtsp streamable mp4 file (streaming from darwin server on my linux box
>to quicktime or vlc on my windows box).
> I run the ffmpeg command
> ffmpeg -r 1 -i frame_%05d.pgm -b 18000 -vcodec libx264 -y -threads 0 -vpre
> and I can create an mp4 file that when copied to the my windows box can be
>played with VLC or quicktime.
> However, if I try to stream the file, I get an indication of unsupported
> Can anyone tell me the appropriate parameter to add to my command line to get
>the valid tags inserted into the file so that it can be rtsp streamed?
Darwin requires that additional metadata tracks be present in the .mp4 file;
they call this procedure "hinting". You can not do this with ffmpeg, you have to
obtain a separate utility.
I use mp4box to add hints for Darwin.
$ mp4box -hint Arn.mp4
ffmpeg-user mailing list
ffmpeg-user at ffmpeg.org
More information about the ffmpeg-user