[FFmpeg-user] How to convert a set of pgm files to an rtsp streamable mp4 file
mike.scheutzow at alcatel-lucent.com
Tue May 3 20:59:49 CEST 2011
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 slow
> 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 media
> 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
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