From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Arve Knudsen" Subject: Re: Problem writing to PCM plugin Date: Wed, 11 Aug 2004 15:53:46 +0200 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; format=flowed; delsp=yes; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Jaroslav Kysela Cc: "alsa-devel@lists.sourceforge.net" List-Id: alsa-devel@alsa-project.org The plugin: pcm.9636SPDIF { type plug slave.pcm "hw:1" ttable.0.16 1 ttable.1.17 1 } The dump: Plug PCM: Linear Integer <-> Linear Float conversion PCM (S32_LE) Its setup is: stream : PLAYBACK access : MMAP_INTERLEAVED format : FLOAT_LE subformat : STD channels : 2 rate : 44100 exact rate : 44100 (44100/1) msbits : 32 buffer_size : 2048 period_size : 1024 period_time : 23219 tick_time : 1000 tstamp_mode : MMAP period_step : 1 sleep_min : 0 avail_min : 1024 xfer_align : 1 start_threshold : 1024 stop_threshold : 2048 silence_threshold: 0 silence_size : 2147483647 boundary : 1073741824 Slave: Route conversion PCM (sformat=3DS32_LE) Transformation table: 0 <- none 1 <- none Its setup is: stream : PLAYBACK access : MMAP_INTERLEAVED format : S32_LE subformat : STD channels : 2 rate : 44100 exact rate : 44100 (44100/1) msbits : 32 buffer_size : 2048 period_size : 1024 period_time : 23219 tick_time : 1000 tstamp_mode : MMAP period_step : 1 sleep_min : 0 avail_min : 1024 xfer_align : 1 start_threshold : 1024 stop_threshold : 2048 silence_threshold: 0 silence_size : 2147483647 boundary : 1073741824 Slave: Route conversion PCM (sformat=3DS32_LE) Transformation table: 0 <- none 1 <- none 2 <- none 3 <- none 4 <- none 5 <- none 6 <- none 7 <- none 8 <- none 9 <- none 10 <- none 11 <- none 12 <- none 13 <- none 14 <- none 15 <- none 16 <- 0 17 <- 1 Its setup is: stream : PLAYBACK access : MMAP_INTERLEAVED format : S32_LE subformat : STD channels : 2 rate : 44100 exact rate : 44100 (44100/1) msbits : 32 buffer_size : 2048 period_size : 1024 period_time : 23219 tick_time : 1000 tstamp_mode : MMAP period_step : 1 sleep_min : 0 avail_min : 1024 xfer_align : 1 start_threshold : 1024 stop_threshold : 2048 silence_threshold: 0 silence_size : 2147483647 boundary : 1073741824 Slave: Hardware PCM card 1 'RME Digi9636 (Rev 1.5)' device 0 subdevice 0 Its setup is: stream : PLAYBACK access : MMAP_NONINTERLEAVED format : S32_LE subformat : STD channels : 18 rate : 44100 exact rate : 44100 (44100/1) msbits : 24 buffer_size : 2048 period_size : 1024 period_time : 23219 tick_time : 1000 tstamp_mode : MMAP period_step : 1 sleep_min : 0 avail_min : 1024 xfer_align : 1 start_threshold : 1024 stop_threshold : 2048 silence_threshold: 0 silence_size : 2147483647 boundary : 1073741824 On Wed, 11 Aug 2004 15:36:24 +0200 (CEST), Jaroslav Kysela =20 wrote: > On Wed, 11 Aug 2004, Arve Knudsen wrote: > >> point format in the PortAudio tests, so there is an intermediate >> conversion before the audio gets to the routing plugin. Could this be = =20 >> the >> cause of the problem? If you wish I can provide output from =20 >> snd_pcm_dump. > > Yes, send the dump, please. > > Jaroslav > > ----- > Jaroslav Kysela > Linux Kernel Sound Maintainer > ALSA Project, SUSE Labs ------------------------------------------------------- SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285