why do you specify ,DEV=0 ?
APLAY
**** List of PLAYBACK Hardware Devices ****
card 0: MID [HDA Intel MID], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: MID [HDA Intel MID], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 0: ALC887-VD Analog [ALC887-VD Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 1: ALC887-VD Digital [ALC887-VD Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
do your card have spdif out at rear and internal spdif out header ?
Node 0x06 [Audio Output] wcaps 0x611: Stereo Digital
Converter: stream=8, channel=0
Digital: Enabled Non-Audio GenLevel
Digital category: 0x2
IEC Coding Type: 0x0
PCM:
rates [0x5f0]: 32000 44100 48000 88200 96000 192000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x10 [Audio Output] wcaps 0x611: Stereo Digital
Control: name="IEC958 Playback Con Mask", index=0, device=0
Control: name="IEC958 Playback Pro Mask", index=0, device=0
Control: name="IEC958 Playback Default", index=0, device=0
Control: name="IEC958 Playback Switch", index=0, device=0
Control: name="IEC958 Default PCM Playback Switch", index=0, device=0
Device: name="ALC887-VD Digital", type="SPDIF", device=1
Converter: stream=8, channel=0
Digital: Enabled Non-Audio GenLevel
Digital category: 0x2
IEC Coding Type: 0x0
PCM:
rates [0x5f0]: 32000 44100 48000 88200 96000 192000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x11 [Pin Complex] wcaps 0x400781: Stereo Digital
Control: name="SPDIF Phantom Jack", index=0, device=0
Pincap 0x00000010: OUT
Pin Default 0x90460130: [Fixed] SPDIF Out at Int N/A
Conn = Digital, Color = Unknown
DefAssociation = 0x3, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x40: OUT
Unsolicited: tag=00, enabled=0
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 1
0x10
Node 0x1e [Pin Complex] wcaps 0x400781: Stereo Digital
Control: name="SPDIF Phantom Jack", index=1, device=0
Pincap 0x00000010: OUT
Pin Default 0x01456140: [Jack] SPDIF Out at Ext Rear
Conn = Optical, Color = Orange
DefAssociation = 0x4, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x40: OUT
Unsolicited: tag=00, enabled=0
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 1
0x06
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1264609
Title:
No AC3 paththrough with hda intel ALC887-VD Saucy
Status in “alsa-driver” package in Ubuntu:
New
Bug description:
Ubuntu 13.10
linux-image-extra-3.11.0-14-generic: 3.11.0-14.21
The original problem is that I have not managed to play AC3 sound bit perfect
from a DVD to the AMP.
I think I have tracked down the problem to an Alsa issue:
I expect:
aplay -vv -D iec958:CARD=PCH,DEV=0 Norrlanda.wav
to play the file with all 6 channels via fiber optic to my amplifier like
outlined at
http://alsa.opensrc.org/DigitalOut
Instead, there is only silence.
This is the output:
$ pasuspender -- aplay -v -v -D iec958:CARD=PCH,DEV=0
/home/daniel/workspace/Testsounds/Norrlanda.wav
Wiedergabe: WAVE '/home/daniel/workspace/Testsounds/Norrlanda.wav' : Signed
16 bit Little Endian, Rate: 44100 Hz, stereo
Hooks PCM
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 44100
exact rate : 44100 (44100/1)
msbits : 16
buffer_size : 16384
period_size : 4096
period_time : 92879
tstamp_mode : NONE
period_step : 1
avail_min : 4096
period_event : 0
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 4611686018427387904
Slave: Hardware PCM card 1 'HDA Intel PCH' device 1 subdevice 0
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 44100
exact rate : 44100 (44100/1)
msbits : 16
buffer_size : 16384
period_size : 4096
period_time : 92879
tstamp_mode : NONE
period_step : 1
avail_min : 4096
period_event : 0
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 4611686018427387904
appl_ptr : 0
hw_ptr : 0
#############+ | 25%
Here some additional observations:
* The Norlanda.wav file is played with 6 channels too pulseaudio (6 sliders
at the pavucontrol input pane) but only PCM Stereo is transmitted to the amp.
* I can play stereo wave files fine with the aplay command from above
* If I switch to non-audio (ac3) mode, I cannot play stereo files any more,
but the ac3 file produces still silence.
$ iecset -D hw:1 audio 0
Mode: consumer
Data: non-audio
Rate: 48000 Hz
Copyright: permitted
Emphasis: none
Category: PCM coder
Original: original
Clock: 1000 ppm
I have already setup a build environment for the hda modules, but I got lost
inside the code. Any ideas how to nail down the problem?
Thank you!
Daniel
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