On Fri Apr 15 bat guano wrote: >> Simon wrote: >> >> I think ffmpeg is the right place to handle this. When ffmpeg runs >> (using -acodec copy), it displays a status line of the form >> size= 33270kB time=821.71 bitrate= 331.7kbits/s >> where these values are updated every second or so. So ffmpeg does >> know the average bit rate, but it doesn't store it in the m4a file.
> > I also don't think it's a problem caused by streamed files from > RTMPDump. > > And it's not just '-acodec copy' that gives no avgBitrate. > FFmpeg doesn't seem to set the avgBitrate when converting other files > to m4a. > Using commands like this:- > ffmpeg -i foo -acodec libfaac foo.m4a > > Other encoders, such as faac and neroAacEnc, seem to set the > avgBitrate OK though. Success at last! Posted this problem to the ffmpeg mailing list: http://ffmpeg.org/pipermail/ffmpeg-user/2011-April/000374.html and it has now been fixed in the latest git: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=0ba8485666f532f2dbab716f74e1be1189102c89 The tests I've done so far are positive. I can now play m4a files in the Marantz without the script to fix up the average bit rate. Thanks to all who have helped with this. _______________________________________________ get_iplayer mailing list [email protected] http://lists.infradead.org/mailman/listinfo/get_iplayer
