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$ ossinfo -v3
Version info: OSS 4.2 (b 2002/200912111801) (0x00040100) BSD
Platform: FreeBSD/i386 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:48:17 UTC 2009 root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC ()
Number of audio devices: 9
Number of audio engines: 13
Number of MIDI devices: 0
Number of mixer devices: 1
Device objects
0: oss_hdaudio0 Intel HD Audio interrupts=1705520 (1705521)
HD Audio controller Intel HD Audio
Vendor ID 0x808627d8
Subvendor ID 0x104d81e7
Codec 0: CXD9872RD (0x83847661/0x104d0800)
MIDI devices (/dev/midi*)
Mixer devices
0: High Definition Audio CXD9872RD (Mixer 0 of device object 0)
Device file /dev/oss/oss_hdaudio0/mix0, Legacy device /dev/mixer0
Priority: 10
Caps:
Device handle: OSS-PCI-mx01
Device priority: 10
Audio devices
HD Audio play pcm3 /dev/oss/oss_hdaudio0/pcm0 (device index 0)
Legacy device /dev/dsp0
Caps: DUPLEX TRIGGER MMAP
Modes: IN/OUT
Out engine 1: 0/HD Audio play pcm3
Available for use
Engine 2: 9/HD Audio play pcm3 (vmix)
Available for use
Engine 3: 10/HD Audio play pcm3 (vmix)
Available for use
Engine 4: 11/HD Audio play pcm3 (vmix)
Available for use
Engine 5: 12/HD Audio play pcm3 (vmix)
Available for use
Input formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Output formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Device handle: OSS-PCI-au01
Related mixer dev: 0
Sample rate source: 0
Preferred channel configuration: Not indicated
Supported number of channels (min - max): 2 - 8
Native sample rates (min - max): 44100 - 192000 (44100,48000,88200,96000,176400,192000)
HW Type: Not indicated.
Minimum latency: Not indicated
HD Audio play pcm2 /dev/oss/oss_hdaudio0/pcm1 (device index 1)
Legacy device /dev/dsp1
Caps: TRIGGER MMAP
Modes: OUTPUT
Out engine 1: 1/HD Audio play pcm2
Available for use
Input formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Output formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Device handle: OSS-PCI-au02
Related mixer dev: 0
Sample rate source: 0
Preferred channel configuration: Not indicated
Supported number of channels (min - max): 2 - 2
Native sample rates (min - max): 44100 - 192000 (44100,48000,88200,96000,176400,192000)
HW Type: Not indicated.
Minimum latency: Not indicated
HD Audio play pcm1 /dev/oss/oss_hdaudio0/pcm2 (device index 2)
Legacy device /dev/dsp2
Caps: TRIGGER MMAP
Modes: OUTPUT
Out engine 1: 2/HD Audio play pcm1
Available for use
Input formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Output formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Device handle: OSS-PCI-au03
Related mixer dev: 0
Sample rate source: 0
Preferred channel configuration: Not indicated
Supported number of channels (min - max): 2 - 2
Native sample rates (min - max): 44100 - 192000 (44100,48000,88200,96000,176400,192000)
HW Type: Not indicated.
Minimum latency: Not indicated
HD Audio play pcm4 /dev/oss/oss_hdaudio0/pcm3 (device index 3)
Legacy device /dev/dsp3
Caps: TRIGGER MMAP
Modes: OUTPUT
Out engine 1: 3/HD Audio play pcm4
Available for use
Input formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Output formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Device handle: OSS-PCI-au04
Related mixer dev: 0
Sample rate source: 0
Preferred channel configuration: Not indicated
Supported number of channels (min - max): 2 - 2
Native sample rates (min - max): 44100 - 192000 (44100,48000,88200,96000,176400,192000)
HW Type: Not indicated.
Minimum latency: Not indicated
HD Audio play spdifout1 /dev/oss/oss_hdaudio0/spdout0 (device index 4)
Legacy device /dev/dsp4
Caps: TRIGGER MMAP
Modes: OUTPUT
Out engine 1: 4/HD Audio play spdifout1
Available for use
Input formats (0x00001410):
AFMT_S16_LE - 16 bit signed little endian
AFMT_AC3 - AC3 (Dolby Digital) encoded audio
AFMT_S32_LE - 32 bit signed little endian
Output formats (0x00001410):
AFMT_S16_LE - 16 bit signed little endian
AFMT_AC3 - AC3 (Dolby Digital) encoded audio
AFMT_S32_LE - 32 bit signed little endian
Device handle: OSS-PCI-au05
Related mixer dev: 0
Sample rate source: 0
Preferred channel configuration: Not indicated
Supported number of channels (min - max): 2 - 2
Native sample rates (min - max): 44100 - 176400 (44100,48000,88200,96000,176400)
HW Type: Not indicated.
Minimum latency: Not indicated
HD Audio play spdifout3 /dev/oss/oss_hdaudio0/spdout1 (device index 5)
Legacy device /dev/dsp7
Caps: TRIGGER MMAP
Modes: OUTPUT
Out engine 1: 5/HD Audio play spdifout3
Available for use
Input formats (0x00001410):
AFMT_S16_LE - 16 bit signed little endian
AFMT_AC3 - AC3 (Dolby Digital) encoded audio
AFMT_S32_LE - 32 bit signed little endian
Output formats (0x00001410):
AFMT_S16_LE - 16 bit signed little endian
AFMT_AC3 - AC3 (Dolby Digital) encoded audio
AFMT_S32_LE - 32 bit signed little endian
Device handle: OSS-PCI-au06
Related mixer dev: 0
Sample rate source: 0
Preferred channel configuration: Not indicated
Supported number of channels (min - max): 2 - 2
Native sample rates (min - max): 44100 - 192000 (44100,48000,88200,96000,176400,192000)
HW Type: Not indicated.
Minimum latency: Not indicated
HD Audio rec linein /dev/oss/oss_hdaudio0/pcmin0 (device index 6)
Legacy device /dev/dsp5
Caps: DUPLEX TRIGGER MMAP
Modes: IN/OUT
In engine 1: 6/HD Audio rec linein
Available for use
Engine 2: 9/HD Audio play pcm3 (vmix)
Available for use
Engine 3: 10/HD Audio play pcm3 (vmix)
Available for use
Engine 4: 11/HD Audio play pcm3 (vmix)
Available for use
Engine 5: 12/HD Audio play pcm3 (vmix)
Available for use
Input formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Output formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Device handle: OSS-PCI-au07
Related mixer dev: 0
Sample rate source: 0
Preferred channel configuration: Not indicated
Supported number of channels (min - max): 2 - 2
Native sample rates (min - max): 44100 - 192000 (44100,48000,88200,96000,176400,192000)
HW Type: Not indicated.
Minimum latency: Not indicated
HD Audio rec select3 /dev/oss/oss_hdaudio0/pcmin1 (device index 7)
Legacy device /dev/dsp6
Caps: TRIGGER MMAP
Modes: INPUT
In engine 1: 7/HD Audio rec select3
Available for use
Input formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Output formats (0x00001010):
AFMT_S16_LE - 16 bit signed little endian
AFMT_S32_LE - 32 bit signed little endian
Device handle: OSS-PCI-au08
Related mixer dev: 0
Sample rate source: 0
Preferred channel configuration: Not indicated
Supported number of channels (min - max): 2 - 2
Native sample rates (min - max): 44100 - 192000 (44100,48000,88200,96000,176400,192000)
HW Type: Not indicated.
Minimum latency: Not indicated
HD Audio rec spdifout3 /dev/oss/oss_hdaudio0/spdin0 (device index 8)
Legacy device /dev/dsp8
Caps: TRIGGER MMAP
Modes: INPUT
In engine 1: 8/HD Audio rec spdifout3
Available for use
Input formats (0x00001410):
AFMT_S16_LE - 16 bit signed little endian
AFMT_AC3 - AC3 (Dolby Digital) encoded audio
AFMT_S32_LE - 32 bit signed little endian
Output formats (0x00001410):
AFMT_S16_LE - 16 bit signed little endian
AFMT_AC3 - AC3 (Dolby Digital) encoded audio
AFMT_S32_LE - 32 bit signed little endian
Device handle: OSS-PCI-au09
Related mixer dev: 0
Sample rate source: 0
Preferred channel configuration: Not indicated
Supported number of channels (min - max): 2 - 2
Native sample rates (min - max): 44100 - 96000 (44100,48000,96000)
HW Type: Not indicated.
Minimum latency: Not indicated
Nodes
/dev/dsp -> /dev/oss/oss_hdaudio0/pcm0
/dev/dsp_in -> /dev/oss/oss_hdaudio0/pcm0
/dev/dsp_out -> /dev/oss/oss_hdaudio0/pcm0
/dev/dsp_ac3 -> /dev/oss/oss_hdaudio0/spdout0
/dev/dsp_mmap -> /dev/oss/oss_hdaudio0/pcm0
/dev/dsp_multich -> /dev/oss/oss_hdaudio0/pcm0
$ uname -a
FreeBSD 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:48:17 UTC 2009 root@almeida.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
osstest plays the following:
Center: /dev/oss/oss_hdaudio0/pcm0 (audio engine 0): HD Audio play pcm3
Sub: /dev/oss/oss_hdaudio0/pcm0 (audio engine 0): HD Audio play pcm3
Front R: /dev/oss/oss_hdaudio0/pcm3 (audio engine 3): HD Audio play pcm4
Front L: /dev/oss/oss_hdaudio0/pcm3 (audio engine 3): HD Audio play pcm4
Rear R: /dev/oss/oss_hdaudio0/pcm1 (audio engine 1): HD Audio play pcm2
Rear L: /dev/oss/oss_hdaudio0/pcm1 (audio engine 1): HD Audio play pcm2
No sound:
/dev/oss/oss_hdaudio0/pcm2 (audio engine 2): HD Audio play pcm1
