On Thu, 22 Nov 2018, 17:28 Harvey Pikelberger <[email protected] wrote:
> > > On Nov 22, 2018, at 8:50 AM, Carl Eugen Hoyos <[email protected]> > wrote: > > > > 2018-11-22 17:44 GMT+01:00, Harvey Pikelberger <[email protected]>: > > > >> ffmpeg -i ffmpeg -i SoundMappingTest-I-8Discreet.mov -map 0 -g 48 -c:v > >> libx264 -profile:v baseline -crf 16 -c:a aac -b:a 256k -vf > scale=1280:720 > >> -pix_fmt yuv420p SoundMappingTest-I-8Discreet.mp4 > > > > You (apparently) cannot copy the timecode track from mov to mp4 > > but this is what you request with "-map 0". > > > > Default behaviour would be to transcode one video and one audio > > track. > > > > Questions: > Does the timecode issue explain the 'Conversion Failed'? > Yes I think so. Did you try adding -dn to your command line so that it ignores data tracks? It seemed that the error that stopped the conversion was what appeared in > the subsequent notes, having to do with not recognizing the codec: > - Could not find tag for codec none in stream #2, codec not currently > supported in container > - Could not write header for output file #0 (incorrect codec parameters > ?): Invalid argument > - Error initializing output stream 0:1 -- > > Also, my understanding of -map 0 was that it maps not one video / one > audio but maintains the track map, matching all tracks from source to > destination file. > I think it just maps all tracks,I'm not sure about order though. That's, in fact, the behavior I'm seeing when I run the same command using > a DNx source file with the same 8 tracks of audio. > > Also note: The above CLI didn't fail to convert from ProRes / QT in FFmpeg > v4.0.1 > The conversion went through, only with LFE sound on track 4. Now in > FFmpeg v4.1 we're getting the error -- but only for the ProRes source, not > the DNx source. That works fine. > It sounds like maybe the default behaviour has changed alright. It now looks like you have to specify that you don't want the timecode track when using -dn. Best, Kieran _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
