>> >
>> >> Do you mean you still cannot force pulseaudio to use 24 bits for
>> your creative usb audio ?
>> >>
>> >> Seem try auto format did not include 24bits
>> >
>> > I have 24bit explicitly in pulseaudio config currently:
>> >>>
>> >>> default-sample-format = s24le
>> >
>> > But it still uses 16bit, didn't managed how to force it to use 24bit
>>
>> static const pa_sample_format_t try_order[] = {
>> PA_SAMPLE_FLOAT32NE,
>> PA_SAMPLE_FLOAT32RE,
>> PA_SAMPLE_S32NE,
>> PA_SAMPLE_S32RE,
>> PA_SAMPLE_S24_32NE,
>> PA_SAMPLE_S24_32RE,
>> PA_SAMPLE_S24NE,
>> PA_SAMPLE_S24RE,
>> + PA_SAMPLE_S24LE,
>> PA_SAMPLE_S16NE,
>> PA_SAMPLE_S16RE,
>> PA_SAMPLE_ALAW,
>> PA_SAMPLE_ULAW,
>> PA_SAMPLE_U8
>> };
>>
>> Seem missing PA_SAMPLE_S24LE in try_order, not sure any assembley code
>> need to be changed
>
>
> S24LE is the same as S24NE on little-endian archs, and the same as S24RE
on big-endian archs.
>
> LE = Little endian
> BE = Big endian
> NE = Native endian
> RE = Reverse endian (i e, the opposite to the native one)
>
>
Can you post the output
aplay -D hw:CARD=S51 --dump-hw-params stereo.wav
to find which alsa format supported by your usb 5.1 ?
Can you post pulseaudio log which contain
0.091| 0.000) D: [pulseaudio] alsa-util.c: Trying hw:1,1,0 with
SND_PCM_NO_AUTO_FORMAT ...
( 0.091| 0.000) D: [pulseaudio] alsa-util.c: Managed to open hw:1,1,0
( 0.091| 0.000) I: [pulseaudio] alsa-util.c: Disabling tsched mode
since BATCH flag is set
( 0.091| 0.000) D: [pulseaudio] alsa-util.c: Maximum hw buffer size is
3640 ms
( 0.091| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
( 0.091| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
( 0.092| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
( 0.092| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
( 0.092| 0.000) D: [pulseaudio] alsa-util.c: Set neither period nor
buffer size.
( 0.093| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
( 0.093| 0.000) I: [pulseaudio] alsa-util.c: snd_pcm_hw_params failed:
Input/output error
( 0.093| 0.000) D: [pulseaudio] alsa-util.c: Trying hw:1,1,0 without
SND_PCM_NO_AUTO_FORMAT ...
( 0.093| 0.000) D: [pulseaudio] alsa-util.c: Managed to open hw:1,1,0
( 0.093| 0.000) I: [pulseaudio] alsa-util.c: Disabling tsched mode
since BATCH flag is set
( 0.093| 0.000) D: [pulseaudio] alsa-util.c: Maximum hw buffer size is
3640 ms
( 0.093| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
( 0.094| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
( 0.094| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
( 0.094| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
( 0.094| 0.000) D: [pulseaudio] alsa-util.c: Set neither period nor
buffer size.
( 0.095| 0.000) I: [pulseaudio] (alsa-lib)pcm_hw.c:
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5)
( 0.095| 0.000) I: [pulseaudio] alsa-util.c: snd_pcm_hw_params failed:
Input/output error
since I cannot reproduce those
SNDRV_PCM_IOCTL_HW_PARAMS failed (-5) errors
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