}
err = OpenAComponent( p_sys->au_component, &p_sys->au_unit );
- if( err )
+ if( err != noErr )
{
msg_Warn( p_aout, "we cannot open our HAL component" );
return VLC_FALSE;
}
/* Set the device we will use for this output unit */
- verify_noerr( AudioUnitSetProperty( p_sys->au_unit,
+ err = AudioUnitSetProperty( p_sys->au_unit,
kAudioOutputUnitProperty_CurrentDevice,
kAudioUnitScope_Global,
0,
&p_sys->i_selected_dev,
- sizeof( AudioDeviceID )));
+ sizeof( AudioDeviceID ));
+
+ if( err != noErr )
+ {
+ msg_Warn( p_aout, "we cannot select the audio device" );
+ return VLC_FALSE;
+ }
/* Get the current format */
i_param_size = sizeof(AudioStreamBasicDescription);
- verify_noerr( AudioUnitGetProperty( p_sys->au_unit,
+ err = AudioUnitGetProperty( p_sys->au_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input,
0,
&DeviceFormat,
- &i_param_size ));
+ &i_param_size );
- msg_Dbg( p_aout, STREAM_FORMAT_MSG( "current format is: ", DeviceFormat ) );
+ if( err != noErr ) return VLC_FALSE;
+ else msg_Dbg( p_aout, STREAM_FORMAT_MSG( "current format is: ", DeviceFormat ) );
/* Get the channel layout of the device side of the unit (vlc -> unit -> device) */
- verify_noerr( AudioUnitGetPropertyInfo( p_sys->au_unit,
+ err = AudioUnitGetPropertyInfo( p_sys->au_unit,
kAudioDevicePropertyPreferredChannelLayout,
kAudioUnitScope_Output,
0,
&i_param_size,
- NULL ));
-
- layout = (AudioChannelLayout *)malloc( i_param_size);
-
- verify_noerr( AudioUnitGetProperty( p_sys->au_unit,
- kAudioDevicePropertyPreferredChannelLayout,
- kAudioUnitScope_Output,
- 0,
- layout,
- &i_param_size ));
-
- /* We need to "fill out" the ChannelLayout, because there are multiple ways that it can be set */
- if( layout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelBitmap)
- {
- /* bitmap defined channellayout */
- verify_noerr( AudioFormatGetProperty( kAudioFormatProperty_ChannelLayoutForBitmap,
- sizeof( UInt32), &layout->mChannelBitmap,
- &i_param_size,
- layout ));
- }
- else if( layout->mChannelLayoutTag != kAudioChannelLayoutTag_UseChannelDescriptions )
- {
- /* layouttags defined channellayout */
- verify_noerr( AudioFormatGetProperty( kAudioFormatProperty_ChannelLayoutForTag,
- sizeof( AudioChannelLayoutTag ), &layout->mChannelLayoutTag,
- &i_param_size,
- layout ));
- }
+ NULL );
- msg_Dbg( p_aout, "layout of AUHAL has %d channels" , (int)layout->mNumberChannelDescriptions );
-
- /* Initialize the VLC core channel count */
- p_aout->output.output.i_physical_channels = 0;
- i_original = p_aout->output.output.i_original_channels & AOUT_CHAN_PHYSMASK;
-
- if( i_original == AOUT_CHAN_CENTER || layout->mNumberChannelDescriptions < 2 )
+ if( err == noErr )
{
- /* We only need Mono or cannot output more than 1 channel */
- p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER;
- }
- else if( i_original == (AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT) || layout->mNumberChannelDescriptions < 3 )
- {
- /* We only need Stereo or cannot output more than 2 channels */
- p_aout->output.output.i_physical_channels = AOUT_CHAN_RIGHT | AOUT_CHAN_LEFT;
- }
- else
- {
- /* We want more than stereo and we can do that */
- for( i = 0; i < layout->mNumberChannelDescriptions; i++ )
+ layout = (AudioChannelLayout *)malloc( i_param_size);
+
+ verify_noerr( AudioUnitGetProperty( p_sys->au_unit,
+ kAudioDevicePropertyPreferredChannelLayout,
+ kAudioUnitScope_Output,
+ 0,
+ layout,
+ &i_param_size ));
+
+ /* We need to "fill out" the ChannelLayout, because there are multiple ways that it can be set */
+ if( layout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelBitmap)
+ {
+ /* bitmap defined channellayout */
+ verify_noerr( AudioFormatGetProperty( kAudioFormatProperty_ChannelLayoutForBitmap,
+ sizeof( UInt32), &layout->mChannelBitmap,
+ &i_param_size,
+ layout ));
+ }
+ else if( layout->mChannelLayoutTag != kAudioChannelLayoutTag_UseChannelDescriptions )
+ {
+ /* layouttags defined channellayout */
+ verify_noerr( AudioFormatGetProperty( kAudioFormatProperty_ChannelLayoutForTag,
+ sizeof( AudioChannelLayoutTag ), &layout->mChannelLayoutTag,
+ &i_param_size,
+ layout ));
+ }
+
+ msg_Dbg( p_aout, "layout of AUHAL has %d channels" , (int)layout->mNumberChannelDescriptions );
+
+ /* Initialize the VLC core channel count */
+ p_aout->output.output.i_physical_channels = 0;
+ i_original = p_aout->output.output.i_original_channels & AOUT_CHAN_PHYSMASK;
+
+ if( i_original == AOUT_CHAN_CENTER || layout->mNumberChannelDescriptions < 2 )
+ {
+ /* We only need Mono or cannot output more than 1 channel */
+ p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER;
+ }
+ else if( i_original == (AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT) || layout->mNumberChannelDescriptions < 3 )
{
- msg_Dbg( p_aout, "this is channel: %d", (int)layout->mChannelDescriptions[i].mChannelLabel );
+ /* We only need Stereo or cannot output more than 2 channels */
+ p_aout->output.output.i_physical_channels = AOUT_CHAN_RIGHT | AOUT_CHAN_LEFT;
+ }
+ else
+ {
+ /* We want more than stereo and we can do that */
+ for( i = 0; i < layout->mNumberChannelDescriptions; i++ )
+ {
+ msg_Dbg( p_aout, "this is channel: %d", (int)layout->mChannelDescriptions[i].mChannelLabel );
- switch( layout->mChannelDescriptions[i].mChannelLabel )
+ switch( layout->mChannelDescriptions[i].mChannelLabel )
+ {
+ case kAudioChannelLabel_Left:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_LEFT;
+ continue;
+ case kAudioChannelLabel_Right:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_RIGHT;
+ continue;
+ case kAudioChannelLabel_Center:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_CENTER;
+ continue;
+ case kAudioChannelLabel_LFEScreen:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_LFE;
+ continue;
+ case kAudioChannelLabel_LeftSurround:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARLEFT;
+ continue;
+ case kAudioChannelLabel_RightSurround:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARRIGHT;
+ continue;
+ case kAudioChannelLabel_RearSurroundLeft:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_MIDDLELEFT;
+ continue;
+ case kAudioChannelLabel_RearSurroundRight:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_MIDDLERIGHT;
+ continue;
+ case kAudioChannelLabel_CenterSurround:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARCENTER;
+ continue;
+ default:
+ msg_Warn( p_aout, "Unrecognized channel form provided by driver: %d", (int)layout->mChannelDescriptions[i].mChannelLabel );
+ }
+ }
+ if( p_aout->output.output.i_physical_channels == 0 )
{
- case kAudioChannelLabel_Left:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_LEFT;
- continue;
- case kAudioChannelLabel_Right:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_RIGHT;
- continue;
- case kAudioChannelLabel_Center:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_CENTER;
- continue;
- case kAudioChannelLabel_LFEScreen:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_LFE;
- continue;
- case kAudioChannelLabel_LeftSurround:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARLEFT;
- continue;
- case kAudioChannelLabel_RightSurround:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARRIGHT;
- continue;
- case kAudioChannelLabel_RearSurroundLeft:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_MIDDLELEFT;
- continue;
- case kAudioChannelLabel_RearSurroundRight:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_MIDDLERIGHT;
- continue;
- case kAudioChannelLabel_CenterSurround:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARCENTER;
- continue;
- default:
- msg_Warn( p_aout, "Unrecognized channel form provided by driver: %d", (int)layout->mChannelDescriptions[i].mChannelLabel );
+ p_aout->output.output.i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
+ msg_Err( p_aout, "You should configure your speaker layout with Audio Midi Setup Utility in /Applications/Utilities. Now using Stereo mode." );
}
}
- if( p_aout->output.output.i_physical_channels == 0 )
- {
- p_aout->output.output.i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
- msg_Err( p_aout, "You should configure your speaker layout with Audio Midi Setup Utility in /Applications/Utilities. Now using Stereo mode." );
- }
+ if( layout ) free( layout );
+ }
+ else
+ {
+ msg_Warn( p_aout, "this driver does not support kAudioDevicePropertyPreferredChannelLayout. BAD DRIVER AUTHOR !!!" );
+ p_aout->output.output.i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
}
- if( layout ) free( layout );
msg_Dbg( p_aout, "selected %d physical channels for device output", aout_FormatNbChannels( &p_aout->output.output ) );
msg_Dbg( p_aout, "VLC will output: %s", aout_FormatPrintChannels( &p_aout->output.output ));
projects / vlc / commitdiff