[Bug 44131] Re: no audio playback from the blender sequencer.

Sat May 2 08:56:48 UTC 2009

I have just upgraded from Ubuntu 8.10 to 9.04 and the audio from Blender
2.48a Sequencer is only a bunch of noise using the package from the
repository.  Instead using the version downloaded from
http://www.blender.org still function very well, even using pulseaudio.

Here I can show you the messages in the terminal displayed by the "blender.org" (the functioning one) version when I play an mp3 file:

################ BLENDER.ORG #########################################
nicola at nicola-laptop:~$ export SDL_AUDIODRIVER=pulse && /home/nicola/Pubblici/blender-2.48/blender
Compiled with Python version 2.5.4.
Checking for installed Python... got it!
X Display: :0.0
Magellan App Window: 0x4800002
Command Event Atom=0
Motion Event Atom=0
Btn Press Event Atom=0
Btn Release Event Atom=0
No 3Dconnexion driver is running.
Input #0, mp3, from '/home/nicola/Musica/Non_classificata/Festivalbar_2008_Rossa/05-duffy-mercy.mp3':
  Duration: 00:03:34.2, bitrate: 192 kb/s
  Stream #0.0: Audio: mp3, 44100 Hz, stereo, 192 kb/s
mdb:68, lastbuf:0 skipping granule 0
mdb:68, lastbuf:0 skipping granule 0
mdb:68, lastbuf:0 skipping granule 1
mdb:68, lastbuf:0 skipping granule 1
mdb:136, lastbuf:68 skipping granule 0
mdb:136, lastbuf:68 skipping granule 0
mdb:136, lastbuf:68 skipping granule 1
mdb:136, lastbuf:68 skipping granule 1
mdb:204, lastbuf:136 skipping granule 0
mdb:204, lastbuf:136 skipping granule 0
mdb:204, lastbuf:136 skipping granule 1
mdb:204, lastbuf:136 skipping granule 1
mdb:272, lastbuf:204 skipping granule 0
mdb:272, lastbuf:204 skipping granule 0
mdb:272, lastbuf:204 skipping granule 1
mdb:272, lastbuf:204 skipping granule 1
mdb:340, lastbuf:272 skipping granule 0
mdb:340, lastbuf:272 skipping granule 0
mdb:340, lastbuf:272 skipping granule 1
mdb:340, lastbuf:272 skipping granule 1
mdb:408, lastbuf:340 skipping granule 0
mdb:408, lastbuf:340 skipping granule 0
mdb:408, lastbuf:340 skipping granule 1
mdb:408, lastbuf:340 skipping granule 1
mdb:476, lastbuf:408 skipping granule 0
mdb:476, lastbuf:408 skipping granule 0
mdb:476, lastbuf:408 skipping granule 1
mdb:476, lastbuf:408 skipping granule 1
mdb:511, lastbuf:476 skipping granule 0
mdb:511, lastbuf:476 skipping granule 0
mdb:511, lastbuf:476 skipping granule 1
mdb:511, lastbuf:476 skipping granule 1
mdb:30, lastbuf:0 skipping granule 0
Saved session recovery to /tmp/quit.blend

Blender quit
nicola at nicola-laptop:~$ 
################ BLENDER.ORG #########################################

Here I can show you the messages in the terminal displayed by the "Ubuntu blender package" version when I play an mp3 file:

################ UBUNTU BLENDER PACKAGE  ################################
nicola at nicola-laptop:~$ export SDL_AUDIODRIVER=pulse && blender
Compiled with Python version 2.6.2.
Checking for installed Python... got it!
X Display: :0.0
Magellan App Window: 0x4600002
Command Event Atom=0
Motion Event Atom=0
Btn Press Event Atom=0
Btn Release Event Atom=0
No 3Dconnexion driver is running.
Input #0, mp3, from '/home/nicola/Musica/Non_classificata/Festivalbar_2008_Rossa/05-duffy-mercy.mp3':
  Duration: 00:03:41.77, start: 0.000000, bitrate: 185 kb/s
    Stream #0.0: Audio: mp3, 44100 Hz, stereo, s16, 112 kb/s
[mp3 @ 0x932b5a0]mdb:15, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 16733 times
[mp3 @ 0x932b5a0]mdb:29, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 8360 times
[mp3 @ 0x932b5a0]mdb:45, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 8356 times
[mp3 @ 0x932b5a0]mdb:41, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 16702 times
[mp3 @ 0x932b5a0]mdb:35, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 8341 times
[mp3 @ 0x932b5a0]mdb:39, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 16672 times
[mp3 @ 0x932b5a0]mdb:38, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 8329 times
[mp3 @ 0x932b5a0]mdb:52, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 41596 times
[mp3 @ 0x932b5a0]mdb:23, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 8306 times
[mp3 @ 0x932b5a0]mdb:19, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 8302 times
[mp3 @ 0x932b5a0]mdb:36, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 33177 times
[mp3 @ 0x932b5a0]mdb:36, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 8283 times
[mp3 @ 0x932b5a0]mdb:46, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 8279 times
[mp3 @ 0x932b5a0]mdb:27, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 8276 times
[mp3 @ 0x932b5a0]mdb:52, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
    Last message repeated 8325 times
[mp3 @ 0x932b5a0]mdb:43, lastbuf:0 skipping granule 0
[mp3 @ 0x932b5a0]buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE
Saved session recovery to /home/nicola/.blender/quit.blend

Blender quit
nicola at nicola-laptop:~$ 
################ UBUNTU BLENDER PACKAGE  ################################

I hope this can help. Blender is a very useful and powerful video editor
for Linux.

-- 
no audio playback from the blender sequencer.
https://bugs.launchpad.net/bugs/44131
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