[mythtv-users] ffmpeg Errors Transcoding mpg Radio Recordings.

Ian Barton lists at wilkesley.net
Thu Sep 13 09:03:15 UTC 2012

On 12/09/12 12:40, Tim Phipps wrote:
> On 12/09/12 09:28, Ian Barton wrote:
>> For several years I have been transcoding radio programs recorded from
>> from FreeView (UK) to mp3 using ffmpeg:
>> nice -n19 ffmpeg -i "1708_20120910122900.mpg" -y -ab 64k -ac 2 -acodec
>> libmp3lame -f mp3
>> "/media/recordings/mythtv/radio/BBC_Radio_7_Steptoe_and_Son_Homes Fit
>> for Heroes_20120910122900.mp3"
> I don't bother transcoding since the audio is low rate enough so I just
> get ffmpeg to dump it out:
> ffmpeg -i <input file> -f mp3 -acodec copy <output file>
> Very fast too, hope this helps,
> Tim.

Thanks, that works and as you say it's much faster. However, it's a bit 
puzzling why ffmpeg can just copy the audio stream without errors, when 
it complains that there is a fault with it when it tries to transcode it.


More information about the mythtv-users mailing list