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jiaaro avatar jiaaro commented on July 23, 2024 1

have you tried this?

segt.export("test.mp3", format="mp3", codec="libmp3lame")

The encoder is reported as libmp3lame in your codecs, I think that's what avconv expects you to use. Honestly, once you have to name the codec explicitly everything goes straight to hell ;) - I'm not sure it's not figuring it out on it's own from just the format

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jiaaro avatar jiaaro commented on July 23, 2024

Can you confirm that your install of ffmpeg/avlib includes lame?

Why do each of these commands return?

ffmpeg -version
ffmpeg -codecs
ffmpeg -formats

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hadware avatar hadware commented on July 23, 2024

I'm on ubuntu 14.04, so it's now called "avconv" 😛

Here is the output for avconv:

avconv --version

avconv version 9.16-6:9.16-0ubuntu0.14.04.1, Copyright (c) 2000-2014 the Libav developers
  built on Aug 10 2014 18:16:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
avconv 9.16-6:9.16-0ubuntu0.14.04.1
libavutil     52.  3. 0 / 52.  3. 0
libavcodec    54. 35. 0 / 54. 35. 0
libavformat   54. 20. 4 / 54. 20. 4
libavdevice   53.  2. 0 / 53.  2. 0
libavfilter    3.  3. 0 /  3.  3. 0
libavresample  1.  0. 1 /  1.  0. 1
libswscale     2.  1. 1 /  2.  1. 1

avconv -codecs | grep lame

avconv version 9.16-6:9.16-0ubuntu0.14.04.1, Copyright (c) 2000-2014 the Libav developers
  built on Aug 10 2014 18:16:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
DEA.L. mp3                  MP3 (MPEG audio layer 3) (decoders: mp3 mp3float ) (encoders: libmp3lame )

avconv -formats | grep mp3

avconv version 9.16-6:9.16-0ubuntu0.14.04.1, Copyright (c) 2000-2014 the Libav developers
  built on Aug 10 2014 18:16:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
 DE mp3             MP3 (MPEG audio layer 3)

Standing by in case you need more info!

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hadware avatar hadware commented on July 23, 2024

Hmm... sorry, but still making an empty file.
I threw both

segt.export("test1.mp3", format="mp3", codec="libmp3lame")

and

segt.export("test1.ogg", format="ogg", codec="libvorbis")

at it, to make sure. The ogg works fine, the mp3's just an empty file.

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jiaaro avatar jiaaro commented on July 23, 2024

@hadware would you mind sharing one of the files that is having this issue for you? I'm out of ideas :/

you can email me at [email protected]

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