I did a 'repo init ...' and 'repo sync' but neither alsa-lib nor
libaudio-alsa code is downloaded but they are showed in gitweb interface of
android code. Why arent they downloaded with default manifest? Did you add
entries for those projects in manifest file?
-Misa
2008/12/5 mvniekerk <[EMAIL PROTECTED]>
>
> I've sorted the problem.
> If you go to line 2962 of alsa-lib/src/conf.c, I've changed it to the
> following:
> {
> if (!configs) {
> configs = ALSA_CONFIG_PATH_DEFAULT;
> if (!configs)
> configs = getenv(ALSA_CONFIG_PATH_VAR);
> }
> }
>
> What happens is when the config is read, strace throws out EISDIR.
> Thus the system wanted to get a file but instead found a directory.
> Now I've changed it to the default config file path. Everything is
> picked up nicely.
> I know this is probably not the necessarily correct way of doing
> things, but if it gets my sound working then I'll use it!
>
> On Dec 2, 4:25 am, Sean McNeil <[EMAIL PROTECTED]> wrote:
> > asound.conf should go in /system/etc/asound.conf, not /etc. Most of the
> > time /etc is a symlink, so it doesn't matter.
> >
> > You will probably have to go through your complete asound.conf to see if
> > it is correct for your hardware and kernel. The best suggestion I have
> > is to use something like "alsactl -f /tmp/xxx save" (sorry, I'm going by
> > memory here and it might not be accurate) to save the alsa control state
> > and then compare your switches.
> >
> > mvniekerk wrote:
> > > I'm on the way of pulling my hair out.
> >
> > > 1) iMX Alsa Kernel driver loads
> > > i) PROCFS entries in /proc/asound are made
> > > ii) /proc/asound/version says 1.0.15
> > > iii) /proc/asound/card0 has all the right entries
> > > iv) Special device files are made in /dev/snd/ (pcmC0D0p/c
> > > mixer0 timer etc) with (forced by me) write permissions as 0777.
> > > 2) Alsa lib compiles in Android environment, identified as 1.0.16
> > > 3) AlsaAudioHardware code from Wind River compiles
> > > 4) Alsa utils compiled, identified as 1.0.16
> > > 5) /ets/asound.conf set up
> >
> > > aplayer cannot find any devices, nor does amixer (`aplayer -l`).
> > > libaudio crashes the repeatedly, without even the Android interface
> > > showing up, complaining of "Invalid CTL AndroidPlayback".
> >
> > > On Nov 27, 3:37 pm, "Sangsu Park" <[EMAIL PROTECTED]> wrote:
> >
> > >> Hi.
> >
> > >> did you check if alsa-lib is working well?
> > >> I checked it using aplay.
> > >> It's very simple to compile into Android.
> > >> I refered to below site.
> >
> > >>http://letsgoustc.spaces.live.com/Blog/cns!89AD27DFB5E249BA!404.entry
> >
> > >> On 11/27/08, mvniekerk <[EMAIL PROTECTED]> wrote:
> >
> > >>> I'm sorry to dump this on a mailing list, but here goes:
> >
> > >>> cd /proc/asound
> >
> > >>> # ls -l
> >
> > >>> lrwxrwxrwx root root 1970-01-01 00:00 PMICaudio ->
> > >>> card0
> >
> > >>> dr-xr-xr-x root root 1970-01-01 00:00 card0
> >
> > >>> -r--r--r-- root root 0 1970-01-01 00:00 pcm
> >
> > >>> -r--r--r-- root root 0 1970-01-01 00:00 timers
> >
> > >>> -r--r--r-- root root 0 1970-01-01 00:00 cards
> >
> > >>> -r--r--r-- root root 0 1970-01-01 00:00 devices
> >
> > >>> -r--r--r-- root root 0 1970-01-01 00:00 version
> >
> > >>> dr-xr-xr-x root root 1970-01-01 00:00 oss
> >
> > >>> # cd card0
> >
> > >>> # ls -l
> >
> > >>> -rw-r--r-- root root 0 1970-01-01 00:00 oss_mixer
> >
> > >>> -r--r--r-- root root 0 1970-01-01 00:00 id
> >
> > >>> dr-xr-xr-x root root 1970-01-01 00:00 pcm2p
> >
> > >>> dr-xr-xr-x root root 1970-01-01 00:00 pcm1p
> >
> > >>> dr-xr-xr-x root root 1970-01-01 00:00 pcm0c
> >
> > >>> dr-xr-xr-x root root 1970-01-01 00:00 pcm0p
> >
> > >>> # cd ../
> >
> > >>> # ls -l
> >
> > >>> lrwxrwxrwx root root 1970-01-01 00:01 PMICaudio ->
> > >>> card0
> >
> > >>> dr-xr-xr-x root root 1970-01-01 00:01 card0
> >
> > >>> -r--r--r-- root root 0 1970-01-01 00:01 pcm
> >
> > >>> -r--r--r-- root root 0 1970-01-01 00:01 timers
> >
> > >>> -r--r--r-- root root 0 1970-01-01 00:01 cards
> >
> > >>> -r--r--r-- root root 0 1970-01-01 00:01 devices
> >
> > >>> -r--r--r-- root root 0 1970-01-01 00:01 version
> >
> > >>> dr-xr-xr-x root root 1970-01-01 00:01 oss
> >
> > >>> # cat devices
> >
> > >>> 0: [ 0] : control
> >
> > >>> 16: [ 0- 0]: digital audio playback
> >
> > >>> 17: [ 0- 1]: digital audio playback
> >
> > >>> 18: [ 0- 2]: digital audio playback
> >
> > >>> 24: [ 0- 0]: digital audio capture
> >
> > >>> 33: : timer
> >
> > >>> # cd /dev/snd
> >
> > >>> # ls -l
> >
> > >>> crw-rw-r-- system audio 14, 0 1970-01-01 00:00 mixer
> >
> > >>> crw-rw-r-- system audio 116, 0 1970-01-01 00:00 controlC0
> >
> > >>> crw-rw-r-- system audio 14, 4 1970-01-01 00:00 audio
> >
> > >>> crw-rw-r-- system audio 14, 3 1970-01-01 00:00 dsp
> >
> > >>> crw-rw-r-- system audio 116, 24 1970-01-01 00:00 pcmC0D0c
> >
> > >>> crw-rw-r-- system audio 116, 16 1970-01-01 00:00 pcmC0D0p
> >
> > >>> crw-rw-r-- system audio 14, 12 1970-01-01 00:00 adsp
> >
> > >>> crw-rw-r-- system audio 116, 17 1970-01-01 00:00 pcmC0D1p
> >
> > >>> crw-rw-r-- system audio 116, 18 1970-01-01 00:00 pcmC0D2p
> >
> > >>> crw-rw-r-- system audio 116, 33 1970-01-01 00:00 timer
> >
> > >>> Here is the asound.conf file:
> > >>> # cat /etc/asound.conf
> >
> > >>> # Android ALSA configuration file for OMAP2430SDP using the MXC
> audio.
> >
> > >>> ##
> >
> > >>> ## Mixer Devices
> >
> > >>> ##
> >
> > >>> ctl.AndroidPlayback {
> >
> > >>> type hw
> >
> > >>> card 0
> >
> > >>> }
> >
> > >>> ctl.AndroidRecord {
> >
> > >>> type hw
> >
> > >>> card 0
> >
> > >>> }
> >
> > >>> ##
> >
> > >>> ## Playback Devices
> >
> > >>> ##
> >
> > >>> pcm.AndroidPlayback_Speaker {
> >
> > >>> type hooks
> >
> > >>> slave.pcm {
> >
> > >>> type hw
> >
> > >>> card 0
> >
> > >>> device 0 # Must be of type "digital audio
> playback"
> >
> > >>> }
> >
> > >>> hooks.0 {
> >
> > >>> type ctl_elems
> >
> > >>> hook_args [
> >
> > >>> # Enable audio output from the DSP
> >
> > >>> {
> >
> > >>> name "T2 Master codec configure
> Switch"
> >
> > >>> lock false
> >
> > >>> preserve true
> >
> > >>> optional false
> >
> > >>> value true
> >
> > >>> }
> >
> > >>> {
> >
> > >>> name "T2 Master codec Sample Rate"
> >
> > >>> lock false
> >
> > >>> preserve true
> >
> > >>> optional true
> >
> > >>> value 48000
> >
> > >>> }
> >
> > >>> {
> >
> > >>> name "Playback Source"
> >
> > >>> lock false
> >
> > >>> preserve true
> >
> > >>> optional false
> >
> > >>> # Values are:
> >
> > >>> # 0 - 'Stereo Headset'
> >
> > >>> # 1 - 'Hands-free (Speakers)'
> >
> > >>> # 2 - 'Mono Handset'
> >
> > >>> # 3 'USB CarKit'
> >
> > >>> value 'Hands-free (Speakers)'
> >
> > >>> }
> >
> > >>> ]
> >
> > >>> }
> >
> > >>> }
> >
> > >>> pcm.AndroidPlayback_Headset {
> >
> > >>> type hooks
> >
> > >>> slave.pcm {
> >
> > >>> type hw
> >
> > >>> card 0
> >
> > >>> device 0 # Must be of type "digital audio
> playback"
> >
> > >>> }
> >
> > >>> hooks.0 {
> >
> > >>> type ctl_elems
> >
> > >>> hook_args [
> >
> > >>> # Enable audio output from the DSP
> >
> > >>> {
> >
> > >>> name "T2 Master codec configure
> Switch"
> >
> > >>> value true
> >
> > >>> }
> >
> > >>> {
> >
> > >>> name "T2 Master codec Sample Rate"
> >
> > >>> value 48000
> >
> > >>> }
> >
> > >>> {
> >
> > >>> name "Playback Source"
> >
> > >>> value 'Stereo Headset'
> >
> > >>> }
> >
> > >>> ]
> >
> > >>> }
> >
> > >>> }
> >
> > >>> pcm.AndroidPlayback_Earpiece {
> >
> > >>> type hooks
> >
> > >>> slave.pcm {
> >
> > >>> type hw
> >
> > >>> card 0
> >
> > >>> device 0 # Must be of type "digital audio
> playback"
> >
> > >>> }
> >
> > >>> hooks.0 {
> >
> > >>> type ctl_elems
> >
> > >>> hook_args [
> >
> > >>> # Enable audio output from the DSP
> >
> > >>> {
> >
> > >>> name "T2 Master codec configure
> Switch"
> >
> > >>> value true
> >
> > >>> }
> >
> > >>> {
> >
> > >>> name "T2 Master codec Sample Rate"
> >
> > >>> value 48000
> >
> > >>> }
> >
> > >>> {
> >
> > >>> name "Playback Source"
> >
> > >>> value 'Mono Handset'
> >
> > >>> }
> >
> > ...
> >
> > read more ยป
> >
>
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