Hi Luca . Thanks your help. I have made "make clean" and "make" again. The libraries seems to link correctly. Because I got the some log information about alsa before I have never seen. The log message is showing below.
...... I/ServiceManager( 2106): service 'media.audio_flinger' died I/ServiceManager( 2106): service 'media.player' died I/ServiceManager( 2106): service 'media.camera' died W/AudioSystem( 2119): AudioFlinger server died! W/MediaPlayer( 2300): MediaPlayer server died! E/MediaPlayer( 2300): error (100, 0) E/MediaPlayer( 2300): Error (100,0) D/VideoView( 2300): Error: 100,0 I/ ( 2459): ServiceManager: 0x804ac38 D/AudioHardwareALSA( 2459): Mixer: element name: 'Master' D/AudioHardwareALSA( 2459): Mixer: master 'Master' found. D/AudioHardwareALSA( 2459): Mixer: route 'Master' found. D/AudioHardwareALSA( 2459): Mixer: route 'Master' found. D/AudioHardwareALSA( 2459): Mixer: route 'Bluetooth' not found. D/AudioHardwareALSA( 2459): Mixer: route 'Master' found. D/AudioHardwareALSA( 2459): Mixer: route 'Bluetooth A2DP' not found. D/AudioHardwareALSA( 2459): Mixer: element name: 'Front Mic Boost' D/AudioHardwareALSA( 2459): Mixer: element name: 'Mic Boost' D/AudioHardwareALSA( 2459): Mixer: element name: 'Capture' D/AudioHardwareALSA( 2459): Mixer: master 'Capture' found. D/AudioHardwareALSA( 2459): Mixer: route 'Capture' found. D/AudioHardwareALSA( 2459): Mixer: route '' not found. D/AudioHardwareALSA( 2459): Mixer: route 'Bluetooth Capture' not found. D/AudioHardwareALSA( 2459): Mixer: route 'Capture' found. D/AudioHardwareALSA( 2459): Mixer: route 'Bluetooth A2DP Capture' not found. D/AudioHardwareALSA( 2459): mixer initialized. E/ALSALib ( 2459): external/alsa-lib/src/control/setup.c:555: (add_elem) Cannot obtain info for CTL elem (MIXER,'Line-Out Playback Volume',0,0,0): No such file or directory E/ALSALib ( 2459): external/alsa-lib/src/pcm/pcm_hw.c:1445: (_snd_pcm_hw_open) Invalid type for subdevice E/ALSALib ( 2459): external/alsa-lib/src/pcm/pcm.c:2201: (snd_pcm_open_noupdate) Unknown PCM NULL_Device I/AudioHardwareALSA( 2459): Initialized ALSA PLAYBACK device NULL_Device W/AudioHardwareALSA( 2459): AudioMixer expects two channels, but only -1 found! W/AudioHardwareALSA( 2459): AudioMixer expects two channels, but only -1 found! E/ALSALib ( 2459): external/alsa-lib/src/control/setup.c:555: (add_elem) Cannot obtain info for CTL elem (MIXER,'Line-Out Playback Volume',0,0,0): No such file or directory E/ALSALib ( 2459): external/alsa-lib/src/control/setup.c:555: (add_elem) Cannot obtain info for CTL elem (MIXER,'Line-Out Playback Volume',0,0,0): No such file or directory I/AudioFlinger( 2459): AudioFlinger's thread ready to run for output 0 E/ALSALib ( 2459): external/alsa-lib/src/control/setup.c:555: (add_elem) Cannot obtain info for CTL elem (MIXER,'Line-Out Playback Volume',0,0,0): No such file or directory E/ALSALib ( 2459): external/alsa-lib/src/pcm/pcm_hw.c:1445: (_snd_pcm_hw_open) Invalid type for subdevice E/ALSALib ( 2459): external/alsa-lib/src/pcm/pcm.c:2201: (snd_pcm_open_noupdate) Unknown PCM NULL_Device I/AudioHardwareALSA( 2459): Initialized ALSA PLAYBACK device NULL_Device I/CameraService( 2459): CameraService started: pid=2459 E/AudioService( 2119): Media server died. E/AudioService( 2119): Media server started. ..... I got the some error. Could you give me some suggestion about that? Sorry to trouble you again. Thanks in advance. Best Regards, ehung On 16 Giu, 18:11, Luca Belluccini <[email protected]> wrote: > Alsa amixer will not work correcly. > Never worked. > > Remember that if you built before without ALSA support, do a > > $ make clean > > There's something wrong in build phase: without clean libraries are > not linked correctly. > > On 16 Giu, 10:52, ehung <[email protected]> wrote: > > > > > Hi Androidphan. > > > I can launch alsa_aplay -l and audio card is listed. > > > Launching alsa_aplay file.mp3 and it tells me "unable to install hw > > params". > > > Launching alsa_amixer -c 0, it has show some information below. > > Simple mixer control 'Master' ,0 > > Capabilities: pvolume pvolume-joined pswitch pswitch-joined > > Playback channels: Mono > > Limits: Playback 0 - 13 > > [1] Segmentation fault alsa_mixer -c 0 > > > When I set the Audible selection on settings of UI, the logcat message > > will show > > E/MediaPlayer: Unable to to create media player. > > > That's all for my test that I can do it what I know. > > Could you give me some suggestion? > > > Thanks in advance again. > > Best Regards, > > ehung > > > On 16 Giu, 15:56, Androidphan <[email protected]> wrote: > > > > If you give some more information on your soundcard, errors, logcat > > > etc. > > > We can't do anything with more information. > > > > On Jun 16, 9:22 am, ehung <[email protected]> wrote: > > > > > Hi Luca. > > > > I have follow your tips on wiki to implment alsa function. > > > > I have built the libaudio.so, alsa_ctl, alsa_amixer and alsa_aplay on > > > > android system. > > > > I use a aplayer application to test the alsa function, but the audio > > > > still not work. > > > > Could you give me some suggestion? > > > > Thank in advance. > > > > > Best Regards, > > > > ehung > > > > > On 12 Giu, 17:03, Luca Belluccini <[email protected]> wrote: > > > > > >http://code.google.com/p/patch-hosting-for-android-x86-support/wiki/A...testo > > > > > citato > > > > - Mostra testo citato -- Nascondi testo citato > > - Mostra testo citato - --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [email protected] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
