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Message #01190
[Bug 901711] Re: No audio when exporting to MOV with AC3 codec
@Cenwen Thanks for the comment. I'm happy to go with the workaround for
now and just wait for a new version of MLT. Will the new version of MLT
be included in the OpenShot PPA, or shall we basically have to wait
until the release of Ubuntu 12.04?
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https://bugs.launchpad.net/bugs/901711
Title:
No audio when exporting to MOV with AC3 codec
Status in OpenShot Video Editor:
New
Bug description:
OpenShot 1.4.0
Installed from OpenShot PPA
Ubuntu 11.10 (completely up to date)
FFmpeg compiled from source, version 5:201112071053-git-1
SUMMARY:
An MP3 that was originally encoded with pcm_s16le in FFmpeg plays in
the preview of the OpenShot project, but when OpenShot exports a video
using the ac3 audio codec, the audio from the pcm_s16le encoded MP3
fails to carry over into the newly exported video.
However, when exporting to MOV using pcm_s16le, the audio is re-
encoded without a problem.
WHAT HAPPENED:
I exported a .mov with the following settings:
Video Format: mov
Video Codec: libx264
Bit Rate: 5Mb/s
Audio Codec: ac3
Sample Rate: 44100
No. of Channels: 2
Bit Rate : 128 kb/s
And the video came out fine, but there was NO AUDIO.
WHAT HAPPENED NEXT:
I exported exactly the same project as .mov with these settings:
Video Format: mov
Video Codec: libx264
Bit Rate: 5Mb/s
Audio Codec: pcm_s16le
Sample Rate: 44100
No. of Channels: 2
Bit Rate : 128 kb/s
And the AUDIO WAS OK.
POSSIBLY RELEVANT:
When I recorded the original webcam + audio MKV in ffmpeg, the audio
codec used was pcm_s16le.
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References