sfm.mChannelsPerFrame, sfm.mBitsPerChannel
#define BUFSIZE 0xffffff
-#define AOUT_VAR_SPDIF_FLAG 0xf0000000
+#define AOUT_VAR_SPDIF_FLAG 0xf00000
/*****************************************************************************
* aout_sys_t: private audio output method descriptor
UInt32 i_devices; /* Number of CoreAudio Devices */
vlc_bool_t b_supports_digital;/* Does the currently selected device support digital mode? */
vlc_bool_t b_digital; /* Are we running in digital mode? */
+ mtime_t clock_diff; /* Difference between VLC clock and Device clock */
+ /* AUHAL specific */
Component au_component; /* The Audiocomponent we use */
AudioUnit au_unit; /* The AudioUnit we use */
- mtime_t clock_diff;
uint8_t p_remainder_buffer[BUFSIZE];
uint32_t i_read_bytes;
uint32_t i_total_bytes;
+ /* CoreAudio SPDIF mode specific */
+ pid_t i_hog_pid; /* The keep the pid of our hog status */
+ AudioStreamID i_stream_id; /* The StreamID that has a cac3 streamformat */
+ int i_stream_index; /* The index of i_stream_id in an AudioBufferList */
+ AudioStreamBasicDescription stream_format; /* The format we changed the to */
+ AudioStreamBasicDescription sfmt_revert; /* The original format of the stream */
+ vlc_bool_t b_revert; /* Wether we need to revert the stream format */
+ vlc_bool_t b_changed_mixing;/* Wether we need to set the mixing mode back */
};
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
static int Open ( vlc_object_t * );
-int OpenAnalog ( aout_instance_t * );
-int OpenSPDIF ( aout_instance_t * );
+static int OpenAnalog ( aout_instance_t * );
+static int OpenSPDIF ( aout_instance_t * );
static void Close ( vlc_object_t * );
static void Play ( aout_instance_t * );
static void Probe ( aout_instance_t * );
-int AudioDeviceSupportsDigital( aout_instance_t *, AudioDeviceID );
-int AudioDeviceHasOutput ( AudioDeviceID );
+static int AudioDeviceHasOutput ( AudioDeviceID );
+static int AudioDeviceSupportsDigital( aout_instance_t *, AudioDeviceID );
+static int AudioStreamSupportsDigital( aout_instance_t *, AudioStreamID );
static OSStatus RenderCallbackAnalog ( vlc_object_t *, AudioUnitRenderActionFlags *, const AudioTimeStamp *,
unsigned int, unsigned int, AudioBufferList *);
+static OSStatus RenderCallbackSPDIF ( AudioDeviceID, const AudioTimeStamp *, const void *, const AudioTimeStamp *,
+ AudioBufferList *, const AudioTimeStamp *, void * );
static OSStatus HardwareListener ( AudioHardwarePropertyID, void *);
+static OSStatus StreamListener ( AudioStreamID, UInt32,
+ AudioDevicePropertyID, void * );
+static int AudioDeviceCallback ( vlc_object_t *, const char *,
+ vlc_value_t, vlc_value_t, void * );
+
/*****************************************************************************
* Module descriptor
set_category( CAT_AUDIO );
set_subcategory( SUBCAT_AUDIO_AOUT );
set_callbacks( Open, Close );
- //add_integer( "macosx-audio-device", -1, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE );
+ add_integer( "macosx-audio-device", 0, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE );
vlc_module_end();
/*****************************************************************************
- * Open: open a HAL AudioUnit
+ * Open: open macosx audio output
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
OSStatus err = noErr;
- UInt32 i_param_size = 0, i_hog = 0;
+ UInt32 i_param_size = 0;
struct aout_sys_t *p_sys = NULL;
vlc_bool_t b_alive = VLC_FALSE;
vlc_value_t val;
p_sys->clock_diff = (mtime_t) 0;
p_sys->i_read_bytes = 0;
p_sys->i_total_bytes = 0;
+ p_sys->i_hog_pid = -1;
+ p_sys->i_stream_id = 0;
+ p_sys->i_stream_index = 0;
+ p_sys->b_revert = VLC_FALSE;
+ p_sys->b_changed_mixing = VLC_FALSE;
memset( p_sys->p_remainder_buffer, 0, sizeof(uint8_t) * BUFSIZE );
p_aout->output.pf_play = Play;
- aout_FormatPrint( p_aout, "VLC is looking for:\n", (audio_sample_format_t *)&p_aout->output.output );
+ aout_FormatPrint( p_aout, "VLC is looking for:", (audio_sample_format_t *)&p_aout->output.output );
+ /* Persistent device variable */
+ if( var_Type( p_aout->p_vlc, "macosx-audio-device" ) == 0 )
+ {
+ msg_Dbg( p_aout, "create macosx-audio-device" );
+ var_Create( p_aout->p_vlc, "macosx-audio-device", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ }
+
/* Build a list of devices */
if( var_Type( p_aout, "audio-device" ) == 0 )
{
if( b_alive == VLC_FALSE )
{
- msg_Err( p_aout, "Selected audio device is not alive" );
- var_Destroy( p_aout, "audio-device" );
- free( p_sys );
- return VLC_EGENERIC;
+ msg_Err( p_aout, "Selected audio device is not alive switching to default device" );
+ p_sys->i_selected_dev = p_sys->i_default_dev;
}
- i_param_size = sizeof( i_hog );
+ i_param_size = sizeof( p_sys->i_hog_pid );
err = AudioDeviceGetProperty( p_sys->i_selected_dev, 0, FALSE,
kAudioDevicePropertyHogMode,
- &i_param_size, &i_hog );
+ &i_param_size, &p_sys->i_hog_pid );
if( err != noErr )
{
return VLC_EGENERIC;
}
- if( i_hog != -1 )
+ if( p_sys->i_hog_pid != -1 && p_sys->i_hog_pid != getpid() )
{
msg_Err( p_aout, "Selected audio device is exclusively in use by another program" );
var_Destroy( p_aout, "audio-device" );
return VLC_EGENERIC;
}
-int OpenAnalog( aout_instance_t *p_aout )
+/*****************************************************************************
+ * Open: open and setup a HAL AudioUnit
+ *****************************************************************************/
+static int OpenAnalog( aout_instance_t *p_aout )
{
struct aout_sys_t *p_sys = p_aout->output.p_sys;
OSStatus err = noErr;
}
/* Enable IO for the component */
+ msg_Dbg( p_aout, "Device: %#x", (int)p_sys->i_selected_dev );
/* Set the device */
verify_noerr( AudioUnitSetProperty( p_sys->au_unit,
kAudioUnitScope_Global,
0,
&p_sys->i_selected_dev,
- sizeof(p_sys->i_selected_dev)));
+ sizeof( AudioDeviceID )));
/* Get the current format */
AudioStreamBasicDescription DeviceFormat;
p_aout->output.i_nb_samples = 2048;
aout_VolumeSoftInit( p_aout );
- /* Let's pray for the following operation to be atomic... */
+ /* Find the difference between device clock and mdate clock */
p_sys->clock_diff = - (mtime_t)
AudioConvertHostTimeToNanos( AudioGetCurrentHostTime() ) / 1000;
p_sys->clock_diff += mdate();
-
- p_sys->i_read_bytes = 0;
- p_sys->i_total_bytes = 0;
/* set the IOproc callback */
AURenderCallbackStruct input;
/*****************************************************************************
* Setup a encoded digital stream (SPDIF)
*****************************************************************************/
-int OpenSPDIF( aout_instance_t * p_aout )
+static int OpenSPDIF( aout_instance_t * p_aout )
{
- OSStatus err = noErr;
- UInt32 i, i_param_size;
- AudioDeviceID devid_def;
- AudioDeviceID *p_devices = NULL;
- vlc_value_t val, text;
+ struct aout_sys_t *p_sys = p_aout->output.p_sys;
+ OSStatus err = noErr;
+ UInt32 i_param_size = 0, b_mix = 0;
+ Boolean b_writeable = VLC_FALSE;
+ AudioStreamID *p_streams = NULL;
+ int i = 0, i_streams = 0;
- struct aout_sys_t *p_sys = p_aout->output.p_sys;
+ struct timeval now;
+ struct timespec timeout;
+ struct { vlc_mutex_t lock; vlc_cond_t cond; } w;
/* Start doing the SPDIF setup proces */
p_sys->b_digital = VLC_TRUE;
- p_aout->output.output.i_format = VLC_FOURCC('s','p','d','i');
- msg_Dbg( p_aout, "we found a digital stream, and we WANT a digital stream" );
+ msg_Dbg( p_aout, "opening in SPDIF mode" );
+
+ /* Hog the device */
+ i_param_size = sizeof( p_sys->i_hog_pid );
+ p_sys->i_hog_pid = getpid() ;
+
+ err = AudioDeviceSetProperty( p_sys->i_selected_dev, 0, 0, FALSE,
+ kAudioDevicePropertyHogMode, i_param_size, &p_sys->i_hog_pid );
- return VLC_FALSE;
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "failed to set hogmode: : [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
-error:
- return VLC_FALSE;
+ /* Set mixable to false if we are allowed to */
+ err = AudioDeviceGetPropertyInfo( p_sys->i_selected_dev, 0, FALSE, kAudioDevicePropertySupportsMixing,
+ &i_param_size, &b_writeable );
+
+ err = AudioDeviceGetProperty( p_sys->i_selected_dev, 0, FALSE, kAudioDevicePropertySupportsMixing,
+ &i_param_size, &b_mix );
+
+ if( !err && b_writeable )
+ {
+ b_mix = 0;
+ err = AudioDeviceSetProperty( p_sys->i_selected_dev, 0, 0, FALSE,
+ kAudioDevicePropertySupportsMixing, i_param_size, &b_mix );
+ p_sys->b_changed_mixing = VLC_TRUE;
+ }
+
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "failed to set mixmode: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ // Find stream_id of selected device with a cac3 stream
+ err = AudioDeviceGetPropertyInfo( p_sys->i_selected_dev, 0, FALSE,
+ kAudioDevicePropertyStreams,
+ &i_param_size, NULL );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get number of streams: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ i_streams = i_param_size / sizeof( AudioStreamID );
+ p_streams = (AudioStreamID *)malloc( i_param_size );
+ if( p_streams == NULL )
+ {
+ msg_Err( p_aout, "Out of memory" );
+ return VLC_FALSE;
+ }
+
+ err = AudioDeviceGetProperty( p_sys->i_selected_dev, 0, FALSE,
+ kAudioDevicePropertyStreams,
+ &i_param_size, p_streams );
+
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get number of streams: [%4.4s]", (char *)&err );
+ if( p_streams ) free( p_streams );
+ return VLC_FALSE;
+ }
+
+ for( i = 0; i < i_streams; i++ )
+ {
+ // Find a stream with a cac3 stream
+ AudioStreamBasicDescription *p_format_list = NULL;
+ int i_formats = 0, j = 0;
+
+ /* Retrieve all the stream formats supported by each output stream */
+ err = AudioStreamGetPropertyInfo( p_streams[i], 0,
+ kAudioStreamPropertyPhysicalFormats,
+ &i_param_size, NULL );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get number of streamformats: [%4.4s]", (char *)&err );
+ continue;
+ }
+
+ i_formats = i_param_size / sizeof( AudioStreamBasicDescription );
+ p_format_list = (AudioStreamBasicDescription *)malloc( i_param_size );
+ if( p_format_list == NULL )
+ {
+ msg_Err( p_aout, "Could not malloc the memory" );
+ continue;
+ }
+
+ err = AudioStreamGetProperty( p_streams[i], 0,
+ kAudioStreamPropertyPhysicalFormats,
+ &i_param_size, p_format_list );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get the list of streamformats: [%4.4s]", (char *)&err );
+ if( p_format_list) free( p_format_list);
+ continue;
+ }
+
+ for( j = 0; j < i_formats; j++ )
+ {
+ if( p_format_list[j].mFormatID == 'IAC3' ||
+ p_format_list[j].mFormatID == kAudioFormat60958AC3 )
+ {
+ // found a cac3 format
+ p_sys->i_stream_id = p_streams[i];
+ p_sys->i_stream_index = i;
+
+ if( p_sys->b_revert == VLC_FALSE )
+ {
+ i_param_size = sizeof( p_sys->sfmt_revert );
+ err = AudioStreamGetProperty( p_sys->i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ &i_param_size,
+ &p_sys->sfmt_revert );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not retrieve the original streamformat: [%4.4s]", (char *)&err );
+ continue;
+ }
+ p_sys->b_revert = VLC_TRUE;
+ }
+ if( p_format_list[j].mSampleRate == p_sys->sfmt_revert.mSampleRate )
+ {
+ p_sys->stream_format = p_format_list[j];
+ }
+ }
+ }
+ if( p_format_list ) free( p_format_list );
+ }
+
+ if( p_streams ) free( p_streams );
+
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "original stream format: ", p_sys->sfmt_revert ) );
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "setting stream format: ", p_sys->stream_format ) );
+
+ /* Install the callback */
+ err = AudioStreamAddPropertyListener( p_sys->i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ StreamListener, (void *)&w );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioStreamAddPropertyListener failed: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ /* Condition because SetProperty is asynchronious */
+ vlc_cond_init( p_aout, &w.cond );
+ vlc_mutex_init( p_aout, &w.lock );
+ vlc_mutex_lock( &w.lock );
+
+ /* change the format */
+ err = AudioStreamSetProperty( p_sys->i_stream_id, 0, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ sizeof( AudioStreamBasicDescription ),
+ &p_sys->stream_format );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not set the stream format: [%4.4s]", (char *)&err );
+ vlc_mutex_unlock( &w.lock );
+ vlc_mutex_destroy( &w.lock );
+ vlc_cond_destroy( &w.cond );
+ return VLC_FALSE;
+ }
+
+ gettimeofday( &now, NULL );
+ timeout.tv_sec = now.tv_sec;
+ timeout.tv_nsec = (now.tv_usec + 900000) * 1000;
+
+ pthread_cond_timedwait( &w.cond.cond, &w.lock.mutex, &timeout );
+ vlc_mutex_unlock( &w.lock );
+
+ err = AudioStreamRemovePropertyListener( p_sys->i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ StreamListener );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioStreamRemovePropertyListener failed: [%4.4s]", (char *)&err );
+ vlc_mutex_destroy( &w.lock );
+ vlc_cond_destroy( &w.cond );
+ return VLC_FALSE;
+ }
+
+ vlc_mutex_destroy( &w.lock );
+ vlc_cond_destroy( &w.cond );
+
+ i_param_size = sizeof( AudioStreamBasicDescription );
+ err = AudioStreamGetProperty( p_sys->i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ &i_param_size,
+ &p_sys->stream_format );
+
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "actual format in use: ", p_sys->stream_format ) );
+
+ /* set the format flags */
+ if( p_sys->stream_format.mFormatFlags & kAudioFormatFlagIsBigEndian )
+ p_aout->output.output.i_format = VLC_FOURCC('s','p','d','b');
+ else
+ p_aout->output.output.i_format = VLC_FOURCC('s','p','d','i');
+ p_aout->output.output.i_bytes_per_frame = AOUT_SPDIF_SIZE;
+ p_aout->output.output.i_frame_length = A52_FRAME_NB;
+ p_aout->output.i_nb_samples = p_aout->output.output.i_frame_length;
+ p_aout->output.output.i_rate = (unsigned int)p_sys->stream_format.mSampleRate;
+
+ aout_VolumeNoneInit( p_aout );
+
+ /* Add IOProc callback */
+ err = AudioDeviceAddIOProc( p_sys->i_selected_dev,
+ (AudioDeviceIOProc)RenderCallbackSPDIF,
+ (void *)p_aout );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceAddIOProc failed: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ /* Check for the difference between the Device clock and mdate */
+ p_sys->clock_diff = - (mtime_t)
+ AudioConvertHostTimeToNanos( AudioGetCurrentHostTime() ) / 1000;
+ p_sys->clock_diff += mdate();
+
+ /* Start device */
+ err = AudioDeviceStart( p_sys->i_selected_dev, (AudioDeviceIOProc)RenderCallbackSPDIF );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceStart failed: [%4.4s]", (char *)&err );
+
+ err = AudioDeviceRemoveIOProc( p_sys->i_selected_dev,
+ (AudioDeviceIOProc)RenderCallbackSPDIF );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceRemoveIOProc failed: [%4.4s]", (char *)&err );
+ }
+ return VLC_FALSE;
+ }
+
+ return VLC_TRUE;
}
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
struct aout_sys_t *p_sys = p_aout->output.p_sys;
+ OSStatus err = noErr;
+ UInt32 i_param_size = 0;
if( p_sys->au_unit )
{
verify_noerr( AudioUnitUninitialize( p_sys->au_unit ) );
verify_noerr( CloseComponent( p_sys->au_unit ) );
}
- free( p_sys );
+
+ if( p_sys->b_digital )
+ {
+ /* Stop device */
+ err = AudioDeviceStop( p_sys->i_selected_dev,
+ (AudioDeviceIOProc)RenderCallbackSPDIF );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceStop failed: [%4.4s]", (char *)&err );
+ }
+
+ /* Remove callback */
+ err = AudioDeviceRemoveIOProc( p_sys->i_selected_dev,
+ (AudioDeviceIOProc)RenderCallbackSPDIF );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceRemoveIOProc failed: [%4.4s]", (char *)&err );
+ }
+
+ if( p_sys->b_revert )
+ {
+ struct timeval now;
+ struct timespec timeout;
+ struct { vlc_mutex_t lock; vlc_cond_t cond; } w;
+
+ /* Install the callback */
+ err = AudioStreamAddPropertyListener( p_sys->i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ StreamListener, (void *)&w );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioStreamAddPropertyListener failed: [%4.4s]", (char *)&err );
+ }
+
+ /* Condition because SetProperty is asynchronious */
+ vlc_cond_init( p_aout, &w.cond );
+ vlc_mutex_init( p_aout, &w.lock );
+ vlc_mutex_lock( &w.lock );
+
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "setting stream format: ", p_sys->sfmt_revert ) );
+
+ err = AudioStreamSetProperty( p_sys->i_stream_id, NULL, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ sizeof( AudioStreamBasicDescription ),
+ &p_sys->sfmt_revert );
+
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "Streamformat reverse failed: [%4.4s]", (char *)&err );
+ }
+
+ gettimeofday( &now, NULL );
+ timeout.tv_sec = now.tv_sec;
+ timeout.tv_nsec = (now.tv_usec + 900000) * 1000;
+
+ pthread_cond_timedwait( &w.cond.cond, &w.lock.mutex, &timeout );
+ vlc_mutex_unlock( &w.lock );
+
+ err = AudioStreamRemovePropertyListener( p_sys->i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ StreamListener );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioStreamRemovePropertyListener failed: [%4.4s]", (char *)&err );
+ }
+
+ vlc_mutex_destroy( &w.lock );
+ vlc_cond_destroy( &w.cond );
+
+ i_param_size = sizeof( AudioStreamBasicDescription );
+ err = AudioStreamGetProperty( p_sys->i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ &i_param_size,
+ &p_sys->stream_format );
+
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "actual format in use: ", p_sys->stream_format ) );
+ }
+ if( p_sys->b_changed_mixing && p_sys->sfmt_revert.mFormatID != kAudioFormat60958AC3 )
+ {
+ int b_mix;
+ Boolean b_writeable;
+ /* Revert mixable to true if we are allowed to */
+ err = AudioDeviceGetPropertyInfo( p_sys->i_selected_dev, 0, FALSE, kAudioDevicePropertySupportsMixing,
+ &i_param_size, &b_writeable );
+
+ err = AudioDeviceGetProperty( p_sys->i_selected_dev, 0, FALSE, kAudioDevicePropertySupportsMixing,
+ &i_param_size, &b_mix );
+
+ if( !err && b_writeable )
+ {
+ msg_Dbg( p_aout, "mixable is: %d", b_mix );
+ b_mix = 1;
+ err = AudioDeviceSetProperty( p_sys->i_selected_dev, 0, 0, FALSE,
+ kAudioDevicePropertySupportsMixing, i_param_size, &b_mix );
+ }
+
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "failed to set mixmode: [%4.4s]", (char *)&err );
+ }
+ }
+ }
+
+ err = AudioHardwareRemovePropertyListener( kAudioHardwarePropertyDevices,
+ HardwareListener );
+
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioHardwareRemovePropertyListener failed: [%4.4s]", (char *)&err );
+ }
+
+ if( p_sys->i_hog_pid == getpid() )
+ {
+ p_sys->i_hog_pid = -1;
+ i_param_size = sizeof( p_sys->i_hog_pid );
+ err = AudioDeviceSetProperty( p_sys->i_selected_dev, 0, 0, FALSE,
+ kAudioDevicePropertyHogMode, i_param_size, &p_sys->i_hog_pid );
+ if( err != noErr ) msg_Err( p_aout, "Could not release hogmode: [%4.4s]", (char *)&err );
+ }
+
+ if( p_sys ) free( p_sys );
}
/*****************************************************************************
var_Set( p_aout, "audio-device", val );
}
- if( AudioDeviceSupportsDigital( p_aout, p_devices[i]) )
+ if( AudioDeviceSupportsDigital( p_aout, p_devices[i] ) )
{
val.i_int = (int)p_devices[i] | AOUT_VAR_SPDIF_FLAG;
asprintf( &text.psz_string, "%s (Encoded Output)", psz_name );
free( psz_name);
}
- var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
+ var_Get( p_aout->p_vlc, "macosx-audio-device", &val );
+ msg_Dbg( p_aout, "device value override1: %#x", val.i_int );
+ if( val.i_int > 0 )
+ {
+ msg_Dbg( p_aout, "device value override2: %#x", val.i_int );
+ var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL );
+ var_Set( p_aout, "audio-device", val );
+ }
+
+ var_AddCallback( p_aout, "audio-device", AudioDeviceCallback, NULL );
+
/* attach a Listener so that we are notified of a change in the Device setup */
err = AudioHardwareAddPropertyListener( kAudioHardwarePropertyDevices,
HardwareListener,
return;
}
+/*****************************************************************************
+ * AudioDeviceHasOutput: Checks if the Device actually provides any outputs at all
+ *****************************************************************************/
+static int AudioDeviceHasOutput( AudioDeviceID i_dev_id )
+{
+ UInt32 dataSize;
+ Boolean isWritable;
+
+ verify_noerr( AudioDeviceGetPropertyInfo( i_dev_id, 0, FALSE, kAudioDevicePropertyStreams, &dataSize, &isWritable) );
+ if (dataSize == 0) return FALSE;
+
+ return TRUE;
+}
+
/*****************************************************************************
* AudioDeviceSupportsDigital: Check i_dev_id for digital stream support.
*****************************************************************************/
-int AudioDeviceSupportsDigital( aout_instance_t *p_aout, AudioDeviceID i_dev_id )
+static int AudioDeviceSupportsDigital( aout_instance_t *p_aout, AudioDeviceID i_dev_id )
{
OSStatus err = noErr;
UInt32 i_param_size = 0;
- AudioStreamBasicDescription *p_format_list = NULL;
AudioStreamID *p_streams = NULL;
- int i = 0, j = 0;
- int i_formats = 0, i_streams = 0;
+ int i = 0, i_streams = 0;
vlc_bool_t b_return = VLC_FALSE;
/* Retrieve all the output streams */
for( i = 0; i < i_streams; i++ )
{
+ if( AudioStreamSupportsDigital( p_aout, p_streams[i] ) )
+ b_return = VLC_TRUE;
+ }
+
+ if( p_streams ) free( p_streams );
+ return b_return;
+}
+
+/*****************************************************************************
+ * AudioStreamSupportsDigital: Check i_stream_id for digital stream support.
+ *****************************************************************************/
+static int AudioStreamSupportsDigital( aout_instance_t *p_aout, AudioStreamID i_stream_id )
+{
+ OSStatus err = noErr;
+ UInt32 i_param_size = 0;
+ AudioStreamBasicDescription *p_format_list = NULL;
+ int i = 0, i_formats = 0;
+ vlc_bool_t b_return = VLC_FALSE;
+
+ /* Retrieve all the stream formats supported by each output stream */
+ err = AudioStreamGetPropertyInfo( i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormats,
+ &i_param_size, NULL );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get number of streamformats: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ i_formats = i_param_size / sizeof( AudioStreamBasicDescription );
+ msg_Dbg( p_aout, "number of formats: %d", i_formats );
+ p_format_list = (AudioStreamBasicDescription *)malloc( i_param_size );
+ if( p_format_list == NULL )
+ {
+ msg_Err( p_aout, "Could not malloc the memory" );
+ return VLC_FALSE;
+ }
+
+ err = AudioStreamGetProperty( i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormats,
+ &i_param_size, p_format_list );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get the list of streamformats: [%4.4s]", (char *)&err );
+ free( p_format_list);
p_format_list = NULL;
- i_formats = 0;
- msg_Dbg( p_aout, "retrieving formats for stream: %#lx", p_streams[i] );
+ return VLC_FALSE;
+ }
- /* Retrieve all the stream formats supported by each output stream */
- err = AudioStreamGetPropertyInfo( p_streams[i], 0,
- kAudioDevicePropertyStreamFormats,
- &i_param_size, NULL );
- if( err != noErr )
- {
- msg_Err( p_aout, "could not get number of streamformats: [%4.4s]", (char *)&err );
- break;
- }
-
- i_formats = i_param_size / sizeof( AudioStreamBasicDescription );
- p_format_list = (AudioStreamBasicDescription *)malloc( i_param_size );
- if( p_format_list == NULL )
- {
- break;
- }
+ for( i = 0; i < i_formats; i++ )
+ {
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "supported format", p_format_list[i] ) );
- err = AudioStreamGetProperty( p_streams[i], 0,
- kAudioDevicePropertyStreamFormats,
- &i_param_size, p_format_list );
- if( err != noErr )
- {
- msg_Err( p_aout, "could not get the list of streamformats: [%4.4s]", (char *)&err );
- free( p_format_list);
- break;
- }
-
- for( j = 0; j < i_formats; j++ )
+ if( p_format_list[i].mFormatID == 'IAC3' ||
+ p_format_list[i].mFormatID == kAudioFormat60958AC3 )
{
- msg_Dbg( p_aout, STREAM_FORMAT_MSG( "supported format", p_format_list[j] ) );
-
- if( p_format_list[j].mFormatID == 'IAC3' ||
- p_format_list[j].mFormatID == kAudioFormat60958AC3 )
- {
- b_return = VLC_TRUE;
- msg_Dbg( p_aout, "this device supports a digital stream" );
- break;
- }
+ b_return = VLC_TRUE;
}
-
- if( p_format_list ) free( p_format_list );
}
- if( p_streams ) free( p_streams );
+ if( p_format_list ) free( p_format_list );
return b_return;
}
host_time.mFlags = kAudioTimeStampHostTimeValid;
AudioDeviceTranslateTime( p_sys->i_selected_dev, inTimeStamp, &host_time );
+ /* Check for the difference between the Device clock and mdate */
p_sys->clock_diff = - (mtime_t)
AudioConvertHostTimeToNanos( AudioGetCurrentHostTime() ) / 1000;
p_sys->clock_diff += mdate();
return( noErr );
}
-int AudioDeviceHasOutput( AudioDeviceID i_dev_id )
+/*****************************************************************************
+ * RenderCallbackSPDIF: callback for SPDIF audio output
+ *****************************************************************************/
+static OSStatus RenderCallbackSPDIF( AudioDeviceID inDevice,
+ const AudioTimeStamp * inNow,
+ const void * inInputData,
+ const AudioTimeStamp * inInputTime,
+ AudioBufferList * outOutputData,
+ const AudioTimeStamp * inOutputTime,
+ void * threadGlobals )
{
- UInt32 dataSize;
- Boolean isWritable;
-
- verify_noerr( AudioDeviceGetPropertyInfo( i_dev_id, 0, FALSE, kAudioDevicePropertyStreams, &dataSize, &isWritable) );
- if (dataSize == 0) return FALSE;
-
- return TRUE;
+ aout_buffer_t * p_buffer;
+ mtime_t current_date;
+
+ aout_instance_t * p_aout = (aout_instance_t *)threadGlobals;
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+
+ /* Check for the difference between the Device clock and mdate */
+ p_sys->clock_diff = - (mtime_t)
+ AudioConvertHostTimeToNanos( inNow->mHostTime ) / 1000;
+ p_sys->clock_diff += mdate();
+
+ current_date = p_sys->clock_diff +
+ AudioConvertHostTimeToNanos( inOutputTime->mHostTime ) / 1000;
+ //- ((mtime_t) 1000000 / p_aout->output.output.i_rate * 31 ); // 31 = Latency in Frames. retrieve somewhere
+
+ p_buffer = aout_OutputNextBuffer( p_aout, current_date, VLC_TRUE );
+
+#define BUFFER outOutputData->mBuffers[p_sys->i_stream_index]
+ if( p_buffer != NULL )
+ {
+ if( (int)BUFFER.mDataByteSize != (int)p_buffer->i_nb_bytes)
+ msg_Warn( p_aout, "bytesize: %d nb_bytes: %d", (int)BUFFER.mDataByteSize, (int)p_buffer->i_nb_bytes );
+
+ /* move data into output data buffer */
+ p_aout->p_vlc->pf_memcpy( BUFFER.mData,
+ p_buffer->p_buffer, p_buffer->i_nb_bytes );
+ aout_BufferFree( p_buffer );
+ }
+ else
+ {
+ p_aout->p_vlc->pf_memset( BUFFER.mData, 0, BUFFER.mDataByteSize );
+ }
+#undef BUFFER
+
+ return( noErr );
}
/*****************************************************************************
/* something changed in the list of devices */
/* We trigger the audio-device's aout_ChannelsRestart callback */
var_Change( p_aout, "audio-device", VLC_VAR_TRIGGER_CALLBACKS, NULL, NULL );
+ var_Destroy( p_aout, "audio-device" );
}
break;
}
return( err );
}
+
+/*****************************************************************************
+ * StreamListener
+ *****************************************************************************/
+static OSStatus StreamListener( AudioStreamID inStream,
+ UInt32 inChannel,
+ AudioDevicePropertyID inPropertyID,
+ void * inClientData )
+{
+ OSStatus err = noErr;
+ struct { vlc_mutex_t lock; vlc_cond_t cond; } * w = inClientData;
+
+ switch( inPropertyID )
+ {
+ case kAudioStreamPropertyPhysicalFormat:
+ vlc_mutex_lock( &w->lock );
+ vlc_cond_signal( &w->cond );
+ vlc_mutex_unlock( &w->lock );
+ break;
+
+ default:
+ break;
+ }
+ return( err );
+}
+
+/*****************************************************************************
+ * AudioDeviceCallback: Callback triggered when the audio-device variable is changed
+ *****************************************************************************/
+static int AudioDeviceCallback( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t old_val, vlc_value_t new_val, void *param )
+{
+ aout_instance_t *p_aout = (aout_instance_t *)p_this;
+ var_Set( p_aout->p_vlc, "macosx-audio-device", new_val );
+ msg_Dbg( p_aout, "Set Device: %#x", new_val.i_int );
+ return aout_ChannelsRestart( p_this, psz_variable, old_val, new_val, param );
+}
+