Main issue (i found out) is the first one I posted above, i.e. HAL doesn't set mixer controls as expected. And that I can't play the .mp3 I uploaded (I will try with a few other ones soon...).
D/MediaPlaybackService( 632): Opening for playback: 'content://media/external/audio/media/27' V/MediaPlayerService( 75): Client(42) constructor V/MediaPlayerService( 75): Create new client(42) from pid 632, uid 10013, V/MediaPlayerService( 75): setDataSource fd=14, offset=0, length=576460752303423487 V/MediaPlayerService( 75): st_dev = 45831 V/MediaPlayerService( 75): st_mode = 32829 V/MediaPlayerService( 75): st_uid = 1000 V/MediaPlayerService( 75): st_gid = 1015 V/MediaPlayerService( 75): st_size = 3538496 V/MediaPlayerService( 75): calculated length = 3538496 V/MediaPlayerService( 75): player type = 3 V/MediaPlayerService( 75): create StagefrightPlayer V/AudioSink( 75): AudioOutput(4) E/WVMExtractor( 75): Failed to open libwvm.so V/MediaPlayerService( 75): setDataSource V/MediaPlayerService( 75): [42] setVideoSurfaceTexture(0x0) V/MediaPlayerService( 75): [42] setAudioStreamType(3) V/MediaPlayerService( 75): [42] prepareAsync *V/MediaPlayerService( 75): [42] notify (0x2a020480, 100, 1, -2147483648) E/MediaPlayer( 632): error (1, -2147483648)* I can play .wav files, but to hear something I need to set the mixer controls manually using tinymix: D/MediaPlaybackService( 632): Opening for playback: 'content://media/external/audio/media/37' V/MediaPlayerService( 75): [42] reset V/MediaPlayerService( 75): Client(42) destructor pid = 632 V/MediaPlayerService( 75): disconnect(42) from pid 632 V/AudioSink( 75): close V/MediaPlayerService( 75): Client(43) constructor V/MediaPlayerService( 75): Create new client(43) from pid 632, uid 10013, V/MediaPlayerService( 75): setDataSource fd=13, offset=0, length=576460752303423487 V/MediaPlayerService( 75): st_dev = 45831 V/MediaPlayerService( 75): st_mode = 32829 V/MediaPlayerService( 75): st_uid = 1000 V/MediaPlayerService( 75): st_gid = 1015 V/MediaPlayerService( 75): st_size = 1006528 V/MediaPlayerService( 75): calculated length = 1006528 V/MediaPlayerService( 75): player type = 3 V/MediaPlayerService( 75): create StagefrightPlayer V/AudioSink( 75): AudioOutput(4) E/WVMExtractor( 75): Failed to open libwvm.so V/MediaPlayerService( 75): setDataSource V/MediaPlayerService( 75): [43] setVideoSurfaceTexture(0x0) V/MediaPlayerService( 75): [43] setAudioStreamType(3) V/MediaPlayerService( 75): [43] prepareAsync D/dalvikvm( 489): GC_CONCURRENT freed 397K, 9% free 6208K/6791K, paused 3ms+4ms, total 54ms V/MediaPlayerService( 75): [43] notify (0x2a020480, 5, 0, 0) V/MediaPlayerService( 75): [43] notify (0x2a020480, 1, 0, 0) V/MediaPlayerService( 75): setNextPlayer ... [ playing song ] Note the different "notify" messages for mp3, with respect to .wav Will look into what they mean. If someone has a clue... On Thursday, 14 February 2013 19:49:59 UTC+1, Glenn Kasten wrote: > > > I'd like to understand what PCM output is produced by the Android > MediaPlayer. Does it depend on the origin file being decoded (e.g. an > .mp3)? > > If it's not producing exactly what the PCM expects, I may get an error > from the player. > > Stagefright media framework decodes formats such as .mp3 to PCM, which is > passed to AudioFilnger via AudioTrack for sample rate conversion, > attenuation, and mixing. > AudioFlinger then calls the HAL with mixed PCM. > Due to AudioFlinger's involvement, the PCM seen by the HAL is not in > general exactly the same as the PCM that was decoded by Stagefright. > However, it's still PCM, and is typically 44.1 or 48 kHz 16-bit signed > interleaved stereo for hardwired speakers/headphone out. > > On Thursday, November 8, 2012 5:42:21 AM UTC-8, ffxx68 wrote: >> >> Hi >> >> I'm trying to port a ICS implementation of ALSA audio to JB, or a tablet >> device, under this project: >> >> Mainly, I have the following to integrate (which I have the patch for >> ICS): >> >> external/alsa-lib >> hardware/alsa_sound >> >> plus some other smaller fix around, but I want to understand first of all >> what to do with these two first. >> >> For example, I have the some files with the same names in both >> hardware/alsa_sound and hardware/libhardware_legacy/ >> audio (from AOSP), but their content is very different in the two >> locations. >> >> If I keep the ones from hardware/alsa_sound, build fails. >> If I copy them from hardware/libhardware_legacy/audio to >> hardware/alsa_sound, I can build but I get a crash during boot. >> >> Which one should I keep and compile? >> Once compiled, which libraries should I use from alsa_sound or >> libhardware_legacy/audio? >> >> Basically, I don't know the approach to follow, with the ALSA >> integration. I couldn't find any guide, or tutorial, so any help in that >> sense is welcome too. >> >> Thanks in advance >> Fabio >> > -- -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting --- You received this message because you are subscribed to the Google Groups "android-porting" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-porting+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
