https://www.alsa-project.org/main/api.php?action=feedcontributions&feedformat=atom&user=Ojciec 2026-04-09T13:12:03Z User contributions MediaWiki 1.39.0 https://www.alsa-project.org/main/index.php?title=User_talk:ClemensLadisch&diff=1257 2007-12-08T13:18:45Z

<p>Ojciec: </p> <hr /> <div>&lt;pre&gt;<br /> Hello Clemens,<br /> First of all, many thanks for your great job with the DD for CMI8788.<br /> I performed some tests with your last bete-version of it and would like to send you a short report:<br /> <br /> Test environment:<br /> <br /> CMI8788 card: Bgears b-Enspirer connected over a TOS-link on DD 5.1 receiver.<br /> OS: Debian Leny (testing)<br /> Kernel: self built on base of 2.6.23 (from distribution), configured without ALSA<br /> <br /> ALSA (user land) from Debian distribution:<br /> alsa-base 1.0.15-2<br /> alsa-utils 1.0.15-1<br /> <br /> ALSA driver: your beta code &quot;alsa-driver-20071129.tar&quot; (./configure (no params), make, make install)<br /> I took also your CMI8788.conf and aliases.conf into /usr/share/alsa/cards<br /> <br /> In all tests, NO surround, but only stereo sound was working, i.e only &quot;Front Left&quot; and &quot;Front Right&quot; were working ;-(<br /> Test with (plug:)surround51 and 6 channels failed. <br /> Please have a look at printouts below.<br /> <br /> I am not really an ALSA-expert, so sorry if the half-successful results came through any missing configurations.<br /> <br /> Please let me know if you need more information or have any suggestions.<br /> I would perform additional tests with pleasure, thus please let me know if any additional tests would be useful.<br /> <br /> Best regards,<br /> Tomasz<br /> <br /> 1. Test<br /> debHTPC:~# speaker-test -Dplug:iec958 -c6 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is plug:iec958<br /> Stream parameters are 48000Hz, S16_LE, 6 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 64 to 32768<br /> Period size range from 32 to 16384<br /> Using max buffer size 32768<br /> Periods = 4<br /> was set period_size = 8192<br /> was set buffer_size = 32768<br /> 0 - Front Left<br /> 4 - Center<br /> 1 - Front Right<br /> 3 - Rear Right<br /> 2 - Rear Left<br /> 5 - LFE<br /> <br /> 2. Test (failed)<br /> debHTPC:~# speaker-test -Dsurround51 -c6 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is surround51<br /> Stream parameters are 48000Hz, S16_LE, 6 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 32 to 43688<br /> Period size range from 16 to 21840<br /> Using max buffer size 43688<br /> Periods = 4<br /> was set period_size = 0<br /> was set buffer_size = 43688<br /> Unable to set sw params for playback: Invalid argument<br /> Setting of swparams failed: Invalid argument<br /> <br /> 3. Test (failed)<br /> debHTPC:~# speaker-test -Dplug:surround51 -c6 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is plug:surround51<br /> Stream parameters are 48000Hz, S16_LE, 6 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 32 to 43688<br /> Period size range from 16 to 21840<br /> Using max buffer size 43688<br /> Periods = 4<br /> was set period_size = 0<br /> was set buffer_size = 43688<br /> Unable to set sw params for playback: Invalid argument<br /> Setting of swparams failed: Invalid argument<br /> <br /> 4. Test<br /> debHTPC:~# speaker-test -Dplug:iec958 -c6 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is plug:iec958<br /> Stream parameters are 48000Hz, S16_LE, 6 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 64 to 32768<br /> Period size range from 32 to 16384<br /> Using max buffer size 32768<br /> Periods = 4<br /> was set period_size = 8192<br /> was set buffer_size = 32768<br /> 0 - Front Left<br /> 4 - Center<br /> 1 - Front Right<br /> 3 - Rear Right<br /> 2 - Rear Left<br /> 5 - LFE<br /> <br /> 5. Test<br /> debHTPC:~# speaker-test -Dplug:surround71 -c8 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is plug:surround71<br /> Stream parameters are 48000Hz, S16_LE, 8 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 16 to 32768<br /> Period size range from 8 to 16384<br /> Using max buffer size 32768<br /> Periods = 4<br /> was set period_size = 8192<br /> was set buffer_size = 32768<br /> 0 - Front Left<br /> 4 - Center<br /> 1 - Front Right<br /> 7 - Side Right<br /> 3 - Rear Right<br /> 2 - Rear Left<br /> 6 - Side Left<br /> 5 - LFE<br /> <br /> 6. Test<br /> debHTPC:~# speaker-test -Dplug:iec958 -c8 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is plug:iec958<br /> Stream parameters are 48000Hz, S16_LE, 8 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 64 to 32768<br /> Period size range from 32 to 16384<br /> Using max buffer size 32768<br /> Periods = 4<br /> was set period_size = 8192<br /> was set buffer_size = 32768<br /> 0 - Front Left<br /> 4 - Center<br /> 1 - Front Right<br /> 7 - Side Right<br /> 3 - Rear Right<br /> 2 - Rear Left<br /> 6 - Side Left<br /> <br /> &lt;/pre&gt;</div>

Ojciec https://www.alsa-project.org/main/index.php?title=User_talk:ClemensLadisch&diff=1256 2007-12-08T13:14:41Z

<p>Ojciec: CMI8788 - Bgears b-Enspirer: test report, No surround over Tos-Link</p> <hr /> <div>&lt;pre&gt;<br /> Hello Clemens,<br /> First of all, many thanks for your great job with the DD for CMI8788.<br /> I performed some tests with your last bete-version of it and would like to send you a short report:<br /> <br /> Test environment:<br /> <br /> CMI8788 card: Bgears b-Enspirer connected over a TOS-link on DD 5.1 receiver.<br /> OS: Debian Leny (testing)<br /> Kernel: self built on base of 2.6.23 (from distribution), configured without ALSA<br /> <br /> ALSA (user land) from Debian distribution:<br /> alsa-base 1.0.15-2<br /> alsa-utils 1.0.15-1<br /> <br /> ALSA driver: your beta code (./configure (no params), make, make install)<br /> I took also your CMI8788.conf and aliases.conf into /usr/share/alsa/cards<br /> <br /> In all tests, NO surround, but only stereo sound was working, i.e only &quot;Front Left&quot; and &quot;Front Right&quot; were working ;-(<br /> Test with (plug:)surround51 and 6 channels failed. <br /> Please have a look at printouts below.<br /> <br /> I am not really an ALSA-expert, so sorry if the half-successful results came through any missing configurations.<br /> <br /> Please let me know if you need more information or have any suggestions.<br /> I would perform additional tests with pleasure, thus please let me know if any additional tests would be useful.<br /> <br /> Best regards,<br /> Tomasz<br /> <br /> 1. Test<br /> debHTPC:~# speaker-test -Dplug:iec958 -c6 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is plug:iec958<br /> Stream parameters are 48000Hz, S16_LE, 6 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 64 to 32768<br /> Period size range from 32 to 16384<br /> Using max buffer size 32768<br /> Periods = 4<br /> was set period_size = 8192<br /> was set buffer_size = 32768<br /> 0 - Front Left<br /> 4 - Center<br /> 1 - Front Right<br /> 3 - Rear Right<br /> 2 - Rear Left<br /> 5 - LFE<br /> <br /> 2. Test (failed)<br /> debHTPC:~# speaker-test -Dsurround51 -c6 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is surround51<br /> Stream parameters are 48000Hz, S16_LE, 6 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 32 to 43688<br /> Period size range from 16 to 21840<br /> Using max buffer size 43688<br /> Periods = 4<br /> was set period_size = 0<br /> was set buffer_size = 43688<br /> Unable to set sw params for playback: Invalid argument<br /> Setting of swparams failed: Invalid argument<br /> <br /> 3. Test (failed)<br /> debHTPC:~# speaker-test -Dplug:surround51 -c6 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is plug:surround51<br /> Stream parameters are 48000Hz, S16_LE, 6 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 32 to 43688<br /> Period size range from 16 to 21840<br /> Using max buffer size 43688<br /> Periods = 4<br /> was set period_size = 0<br /> was set buffer_size = 43688<br /> Unable to set sw params for playback: Invalid argument<br /> Setting of swparams failed: Invalid argument<br /> <br /> 4. Test<br /> debHTPC:~# speaker-test -Dplug:iec958 -c6 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is plug:iec958<br /> Stream parameters are 48000Hz, S16_LE, 6 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 64 to 32768<br /> Period size range from 32 to 16384<br /> Using max buffer size 32768<br /> Periods = 4<br /> was set period_size = 8192<br /> was set buffer_size = 32768<br /> 0 - Front Left<br /> 4 - Center<br /> 1 - Front Right<br /> 3 - Rear Right<br /> 2 - Rear Left<br /> 5 - LFE<br /> <br /> 5. Test<br /> debHTPC:~# speaker-test -Dplug:surround71 -c8 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is plug:surround71<br /> Stream parameters are 48000Hz, S16_LE, 8 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 16 to 32768<br /> Period size range from 8 to 16384<br /> Using max buffer size 32768<br /> Periods = 4<br /> was set period_size = 8192<br /> was set buffer_size = 32768<br /> 0 - Front Left<br /> 4 - Center<br /> 1 - Front Right<br /> 7 - Side Right<br /> 3 - Rear Right<br /> 2 - Rear Left<br /> 6 - Side Left<br /> 5 - LFE<br /> <br /> 6. Test<br /> debHTPC:~# speaker-test -Dplug:iec958 -c8 -tpink<br /> <br /> speaker-test 1.0.15<br /> <br /> Playback device is plug:iec958<br /> Stream parameters are 48000Hz, S16_LE, 8 channels<br /> Using 16 octaves of pink noise<br /> Rate set to 48000Hz (requested 48000Hz)<br /> Buffer size range from 64 to 32768<br /> Period size range from 32 to 16384<br /> Using max buffer size 32768<br /> Periods = 4<br /> was set period_size = 8192<br /> was set buffer_size = 32768<br /> 0 - Front Left<br /> 4 - Center<br /> 1 - Front Right<br /> 7 - Side Right<br /> 3 - Rear Right<br /> 2 - Rear Left<br /> 6 - Side Left<br /> <br /> &lt;/pre&gt;</div>

Ojciec