[FFmpeg-devel] [PATCH 0/2] Fix gapless encoding/remuxing for MP3

Andreas Cadhalpun andreas.cadhalpun at googlemail.com
Tue Oct 18 21:26:22 EEST 2016


On 17.10.2016 23:55, Jon Toohill wrote:
> Round trip wav->mp3->wav now preserves the correct number of samples.
> Remuxing mp3->mp3 with -c:a copy also preserves any existing gapless
> metadata in the Info tag.
> 
> The code in libmp3lame.c to set AV_PKT_DATA_SKIP_SAMPLES was mostly
> copied from libopusenc.c.
> 
> Jon Toohill (2):
>   lavc/libmp3lame: send encoder delay/padding in packet side data
>   lavf/mp3enc: write encoder delay/padding upon closing
> 
>  libavcodec/libmp3lame.c | 27 ++++++++++++++++++++++++++-
>  libavformat/mp3enc.c    | 34 ++++++++++++++++++++++++++++------
>  2 files changed, 54 insertions(+), 7 deletions(-)
> 

I've applied both patches. Thanks for fixing this!

Best regards,
Andreas


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