Bug 67442 – alsa-lib-1.0.5-r3 with alsa-driver-1.6.0a no sound when play ac3 passthrough

• Status: RESOLVED FIXED
• Product: Gentoo Linux

[Description Kitae 2004-10-13 12:25:11 UTC]

There is no sound , when I try to play using ac3 passthrough,
if I using alsa-lib-1.0.5-r3 ebuild
My Card is sblive 

Erorr message is
alsa-init: soundcard set to iec958:AES0=0x2,AES1=0x82,AES2=0x0,AES3=0x2
ALSA lib pcm_hw.c:1155:(snd_pcm_hw_open) open /dev/snd/pcmC0D3p failed: No such file or directory

After edit /usr/share/alsa/cards/EMU10K1.conf
alsa-init: soundcard set to iec958:AES0=0x2,AES1=0x82,AES2=0x0,AES3=0x2
alsa: 48000 Hz/2 channels/4 bpf/65536 bytes buffer/Signed 16 bit Little Endian
AO: [alsa] 48000Hz 2ch AC3 (1 bps)

and sound  work again

Reproducible: Always
Steps to Reproduce:
1.I was used alsa-lib-1.6.0
2.I just emerge -u world, make alsa-lib downgrade.
3.There in no sound when play with ac3 passthrough.
4.edit file /usr/share/alsa/cards/EMU10K1.conf
From
    223         slave.pcm {
    224                 type hw
    225                 card $CARD
    226                 device 3
    227         }

To
    223         slave.pcm {
    224                 type hw
    225                 card $CARD
    226                 device 2
    227         }

5. That problem is gone. AC3 passthrogh sound work again.

[Comment 1 Kitae 2004-10-13 12:26:44 UTC]

Created attachment 41751 [details, diff]
Patch file

I just add that patch

[Comment 2 Jeremy Huddleston (RETIRED) 2004-10-29 18:47:03 UTC]

did it work with 1.0.6?

[Comment 3 Jeremy Huddleston (RETIRED) 2004-11-12 03:26:30 UTC]

this is fixed in later versions.