RString RageSoundDriver_OSS::Init()
{
fd = open("/dev/dsp", O_WRONLY|O_NONBLOCK);
if( fd == -1 )
return ssprintf( "RageSoundDriver_OSS: Couldn't open /dev/dsp: %s", strerror(errno) );
RString sError = CheckOSSVersion( fd );
if( sError != "" )
return sError;
int i = AFMT_S16_LE;
if(ioctl(fd, SNDCTL_DSP_SETFMT, &i) == -1)
return ssprintf( "RageSoundDriver_OSS: ioctl(SNDCTL_DSP_SETFMT, %i): %s", i, strerror(errno) );
if(i != AFMT_S16_LE)
return ssprintf( "RageSoundDriver_OSS: Wanted format %i, got %i instead", AFMT_S16_LE, i );
i = channels;
if(ioctl(fd, SNDCTL_DSP_CHANNELS, &i) == -1)
return ssprintf( "RageSoundDriver_OSS: ioctl(SNDCTL_DSP_CHANNELS, %i): %s", i, strerror(errno) );
if(i != channels)
return ssprintf( "RageSoundDriver_OSS: Wanted %i channels, got %i instead", channels, i );
i = 44100;
if(ioctl(fd, SNDCTL_DSP_SPEED, &i) == -1 )
return ssprintf( "RageSoundDriver_OSS: ioctl(SNDCTL_DSP_SPEED, %i): %s", i, strerror(errno) );
samplerate = i;
LOG->Trace("RageSoundDriver_OSS: sample rate %i", samplerate);
i = (num_chunks << 16) + chunk_order;
if(ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &i) == -1)
return ssprintf( "RageSoundDriver_OSS: ioctl(SNDCTL_DSP_SETFRAGMENT, %i): %s", i, strerror(errno) );
StartDecodeThread();
MixingThread.SetName( "RageSoundDriver_OSS" );
MixingThread.Create( MixerThread_start, this );
return "";
}
RageSound_OSS::RageSound_OSS()
{
fd = open("/dev/dsp", O_WRONLY|O_NONBLOCK);
if(fd == -1)
RageException::ThrowNonfatal("RageSound_OSS: Couldn't open /dev/dsp: %s", strerror(errno));
CheckOSSVersion( fd );
shutdown = false;
last_cursor_pos = 0;
int i = AFMT_S16_LE;
if(ioctl(fd, SNDCTL_DSP_SETFMT, &i) == -1)
RageException::ThrowNonfatal("RageSound_OSS: ioctl(SNDCTL_DSP_SETFMT, %i): %s", i, strerror(errno));
if(i != AFMT_S16_LE)
RageException::ThrowNonfatal("RageSound_OSS: Wanted format %i, got %i instead", AFMT_S16_LE, i);
i = channels;
if(ioctl(fd, SNDCTL_DSP_CHANNELS, &i) == -1)
RageException::ThrowNonfatal("RageSound_OSS: ioctl(SNDCTL_DSP_CHANNELS, %i): %s", i, strerror(errno));
if(i != channels)
RageException::ThrowNonfatal("RageSound_OSS: Wanted %i channels, got %i instead", channels, i);
i = 44100;
if(ioctl(fd, SOUND_PCM_WRITE_RATE, &i) == -1 )
RageException::ThrowNonfatal("RageSound_OSS: ioctl(SOUND_PCM_WRITE_RATE, %i): %s", i, strerror(errno));
samplerate = i;
LOG->Trace("RageSound_OSS: sample rate %i", samplerate);
i = (num_chunks << 16) + chunk_order;
if(ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &i) == -1)
RageException::ThrowNonfatal("RageSound_OSS: ioctl(SNDCTL_DSP_SETFRAGMENT, %i): %s", i, strerror(errno));
StartDecodeThread();
MixingThread.SetName( "RageSound_OSS" );
MixingThread.Create( MixerThread_start, this );
}