/*****************************************************************************
* aout.m: CoreAudio output plugin
*****************************************************************************
- * Copyright (C) 2002 VideoLAN
- * $Id: aout.m,v 1.8 2002/08/30 23:27:06 massiot Exp $
+ * Copyright (C) 2002-2003 VideoLAN
+ * $Id: aout.m,v 1.25 2003/03/14 00:06:02 massiot Exp $
*
* Authors: Colin Delacroix <colin@zoy.org>
* Jon Lech Johansen <jon-vl@nanocrew.net>
* Christophe Massiot <massiot@via.ecp.fr>
+ * Heiko Panther <heiko.panther@web.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <vlc/vlc.h>
#include <vlc/aout.h>
+
#include "aout_internal.h"
#include <Carbon/Carbon.h>
-#include <CoreAudio/AudioHardware.h>
#include <CoreAudio/HostTime.h>
-#include <AudioToolbox/AudioConverter.h>
+#include <CoreAudio/AudioHardware.h>
+
+#define A52_FRAME_NB 1536
+
+#define STREAM_FORMAT_MSG( pre, sfm ) \
+ pre ": [%ld][%4.4s][%ld][%ld][%ld][%ld][%ld][%ld]", \
+ (UInt32)sfm.mSampleRate, (char *)&sfm.mFormatID, \
+ sfm.mFormatFlags, sfm.mBytesPerPacket, \
+ sfm.mFramesPerPacket, sfm.mBytesPerFrame, \
+ sfm.mChannelsPerFrame, sfm.mBitsPerChannel
+
+/*****************************************************************************
+ * aout_class_t
+ ****************************************************************************/
+enum AudioDeviceClass
+{
+ AudioDeviceClassA52 = 1 << 0,
+ AudioDeviceClassPCM2 = 1 << 1,
+ AudioDeviceClassPCM4 = 1 << 2,
+ AudioDeviceClassPCM6 = 1 << 3,
+ AudioDeviceClassPCM8 = 1 << 4
+};
+
+static struct aout_class_t
+{
+ UInt32 mFormatID;
+ UInt32 mChannelsPerFrame;
+ enum AudioDeviceClass class;
+ const char * psz_class;
+}
+aout_classes[] =
+{
+ { /* old A/52 format type */
+ 'IAC3',
+ 2,
+ AudioDeviceClassA52,
+ "Digital A/52"
+ },
+
+ { /* new A/52 format type */
+ kAudioFormat60958AC3,
+ 2,
+ AudioDeviceClassA52,
+ "Digital A/52"
+ },
+
+ {
+ kAudioFormatLinearPCM,
+ 2,
+ AudioDeviceClassPCM2,
+ "Stereo PCM"
+ },
+
+ {
+ kAudioFormatLinearPCM,
+ 4,
+ AudioDeviceClassPCM4,
+ "4 Channel PCM"
+ },
+
+ {
+ kAudioFormatLinearPCM,
+ 6,
+ AudioDeviceClassPCM6,
+ "6 Channel PCM"
+ },
+
+ {
+ kAudioFormatLinearPCM,
+ 8,
+ AudioDeviceClassPCM8,
+ "8 Channel PCM"
+ }
+};
+
+#define N_AOUT_CLASSES (sizeof(aout_classes)/sizeof(aout_classes[0]))
+
+/*****************************************************************************
+ * aout_option_t
+ ****************************************************************************/
+struct aout_option_t
+{
+ char sz_option[64];
+ UInt32 i_dev, i_idx;
+ UInt32 i_sdx, i_cdx;
+ AudioStreamID i_sid;
+};
+
+/*****************************************************************************
+ * aout_dev_t
+ ****************************************************************************/
+struct aout_dev_t
+{
+ AudioDeviceID devid;
+ char * psz_device_name;
+ UInt32 i_streams;
+ UInt32 * pi_streams;
+ AudioStreamBasicDescription ** pp_streams;
+};
/*****************************************************************************
* aout_sys_t: private audio output method descriptor
*****************************************************************************/
struct aout_sys_t
{
- AudioDeviceID device; // the audio device
+ vlc_mutex_t lock;
+ vlc_bool_t b_hwinfo;
+ UInt32 i_def_dev;
+ UInt32 i_devices;
+ struct aout_dev_t * p_devices;
+ UInt32 i_sel_opt;
+ UInt32 i_options;
+ struct aout_option_t * p_options;
+ AudioDeviceID devid;
AudioStreamBasicDescription stream_format;
+ UInt32 b_dev_alive;
- UInt32 i_buffer_size; // audio device buffer size
- mtime_t clock_diff;
+ UInt32 i_buffer_size;
+ mtime_t clock_diff;
};
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
-static void Play ( aout_instance_t *p_aout );
+static int InitHardwareInfo ( aout_instance_t * p_aout );
+static int InitDeviceInfo ( UInt32 i_dev, aout_instance_t * p_aout );
+static void FreeDeviceInfo ( UInt32 i_dev, aout_instance_t * p_aout );
+static void FreeHardwareInfo ( aout_instance_t * p_aout );
+static int InitDevice ( aout_instance_t * p_aout );
+static void FreeDevice ( aout_instance_t * p_aout );
+static int GetStreamID ( AudioDeviceID devid, UInt32 i_idx,
+ AudioStreamID * p_sid );
+static int InitStreamInfo ( UInt32 i_dev, aout_instance_t * p_aout,
+ UInt32 i_idx );
+static void FreeStreamInfo ( UInt32 i_dev, aout_instance_t * p_aout,
+ UInt32 i_idx );
+static void InitDeviceVar ( aout_instance_t * p_aout, int i_option,
+ vlc_bool_t b_change );
+
+static void Play ( aout_instance_t * p_aout );
-static OSStatus IOCallback ( AudioDeviceID inDevice,
- const AudioTimeStamp *inNow,
- const void *inInputData,
- const AudioTimeStamp *inInputTime,
- AudioBufferList *outOutputData,
- const AudioTimeStamp *inOutputTime,
- void *threadGlobals );
+static OSStatus IOCallback ( AudioDeviceID inDevice,
+ const AudioTimeStamp * inNow,
+ const void * inInputData,
+ const AudioTimeStamp * inInputTime,
+ AudioBufferList * outOutputData,
+ const AudioTimeStamp * inOutputTime,
+ void * threadGlobals );
+
+static OSStatus HardwareListener ( AudioHardwarePropertyID inPropertyID,
+ void * inClientData );
+
+static OSStatus DeviceListener ( AudioDeviceID inDevice,
+ UInt32 inChannel,
+ Boolean isInput,
+ AudioDevicePropertyID inPropertyID,
+ void * inClientData );
+
+static OSStatus StreamListener ( AudioStreamID inStream,
+ UInt32 inChannel,
+ AudioDevicePropertyID inPropertyID,
+ void * inClientData );
/*****************************************************************************
* Open: open a CoreAudio HAL device
{
OSStatus err;
UInt32 i_param_size;
- aout_instance_t * p_aout = (aout_instance_t *)p_this;
struct aout_sys_t * p_sys;
+ aout_instance_t * p_aout = (aout_instance_t *)p_this;
- /* Allocate instance */
- p_sys = p_aout->output.p_sys = malloc( sizeof( struct aout_sys_t ) );
- memset( p_sys, 0, sizeof( struct aout_sys_t ) );
- if( p_aout->output.p_sys == NULL )
+ /* Allocate structure */
+ p_sys = (struct aout_sys_t *)malloc( sizeof( struct aout_sys_t ) );
+ if( p_sys == NULL )
{
msg_Err( p_aout, "out of memory" );
- return( 1 );
+ return( VLC_ENOMEM );
}
- /* Get the default output device */
- /* FIXME : be more clever in choosing from several devices */
- i_param_size = sizeof( p_sys->device );
- err = AudioHardwareGetProperty( kAudioHardwarePropertyDefaultOutputDevice,
- &i_param_size,
- (void *)&p_sys->device );
- if( err != noErr )
- {
- msg_Err( p_aout, "failed to get the device: %d", err );
- return( -1 );
- }
+ memset( p_sys, 0, sizeof( struct aout_sys_t ) );
+ p_aout->output.p_sys = p_sys;
p_aout->output.pf_play = Play;
- /* Get a description of the data format used by the device */
- i_param_size = sizeof( p_sys->stream_format );
- err = AudioDeviceGetProperty( p_sys->device, 0, false,
- kAudioDevicePropertyStreamFormat,
- &i_param_size,
- &p_sys->stream_format );
- if( err != noErr )
+ vlc_mutex_init( p_aout, &p_sys->lock );
+
+ if( InitHardwareInfo( p_aout ) )
{
- msg_Err( p_aout, "failed to get stream format: %d", err );
- return -1 ;
- }
+ msg_Err( p_aout, "InitHardwareInfo failed" );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( (void *)p_sys );
+ return( VLC_EGENERIC );
+ }
- if( p_sys->stream_format.mFormatID != kAudioFormatLinearPCM )
+ if( var_Type( p_aout, "audio-device" ) == 0 )
{
- msg_Err( p_aout, "kAudioFormatLinearPCM required" );
- return -1 ;
+ InitDeviceVar( p_aout, config_GetInt( p_aout, "macosx-adev" ),
+ VLC_FALSE );
}
- /* We only deal with floats */
- if ( p_aout->output.output.i_format != AOUT_FMT_FLOAT32 )
+ if( InitDevice( p_aout ) )
{
- msg_Err( p_aout, "cannot set format 0x%x",
- p_aout->output.output.i_format );
- return -1;
+ msg_Err( p_aout, "InitDevice failed" );
+ FreeHardwareInfo( p_aout );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( (void *)p_sys );
+ return( VLC_EGENERIC );
+ }
+
+ /* Get a description of the stream format */
+ i_param_size = sizeof( AudioStreamBasicDescription );
+ err = AudioDeviceGetProperty( p_sys->devid, 0, FALSE,
+ kAudioDevicePropertyStreamFormat,
+ &i_param_size, &p_sys->stream_format );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "failed to get stream format: [%4.4s]",
+ (char *)&err );
+ FreeDevice( p_aout );
+ FreeHardwareInfo( p_aout );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( (void *)p_sys );
+ return( VLC_EGENERIC );
}
- /* Set sample rate and channels per frame */
- p_aout->output.output.i_rate = p_sys->stream_format.mSampleRate;
- p_aout->output.output.i_channels = p_sys->stream_format.mChannelsPerFrame;
+ /* Set the output sample rate */
+ p_aout->output.output.i_rate =
+ (unsigned int)p_sys->stream_format.mSampleRate;
- /* Get the buffer size that the device uses for IO */
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "using format",
+ p_sys->stream_format ) );
+
+ /* Get the buffer size */
i_param_size = sizeof( p_sys->i_buffer_size );
-#if 0
- err = AudioDeviceGetProperty( p_sys->device, 0, false,
+ err = AudioDeviceGetProperty( p_sys->devid, 0, FALSE,
kAudioDevicePropertyBufferSize,
&i_param_size, &p_sys->i_buffer_size );
-msg_Dbg( p_aout, "toto : %d", p_sys->i_buffer_size );
-#else
- p_sys->i_buffer_size = sizeof(float) * p_aout->output.output.i_channels
- * 4096;
- err = AudioDeviceSetProperty( p_sys->device, 0, 0, false,
- kAudioDevicePropertyBufferSize,
- i_param_size, &p_sys->i_buffer_size );
-#endif
if( err != noErr )
{
- msg_Err( p_aout, "failed to set device buffer size: %d", err );
- return( -1 );
+ msg_Err( p_aout, "failed to get buffer size: [%4.4s]",
+ (char *)&err );
+ FreeDevice( p_aout );
+ FreeHardwareInfo( p_aout );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( (void *)p_sys );
+ return( VLC_EGENERIC );
+ }
+
+ msg_Dbg( p_aout, "device buffer size: [%ld]", p_sys->i_buffer_size );
+
+ /* If we do AC3 over SPDIF, set buffer size to one AC3 frame */
+ if( ( p_sys->stream_format.mFormatID == kAudioFormat60958AC3 ||
+ p_sys->stream_format.mFormatID == 'IAC3' ) &&
+ p_sys->i_buffer_size != AOUT_SPDIF_SIZE )
+ {
+ p_sys->i_buffer_size = AOUT_SPDIF_SIZE;
+ i_param_size = sizeof( p_sys->i_buffer_size );
+ err = AudioDeviceSetProperty( p_sys->devid, 0, 0, FALSE,
+ kAudioDevicePropertyBufferSize,
+ i_param_size, &p_sys->i_buffer_size );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "failed to set buffer size: [%4.4s]",
+ (char *)&err );
+ FreeDevice( p_aout );
+ FreeHardwareInfo( p_aout );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( (void *)p_sys );
+ return( VLC_EGENERIC );
+ }
+
+ msg_Dbg( p_aout, "device buffer size set to: [%ld]",
+ p_sys->i_buffer_size );
+ }
+
+ switch( p_sys->stream_format.mFormatID )
+ {
+ case kAudioFormatLinearPCM:
+ p_aout->output.output.i_format = VLC_FOURCC('f','l','3','2');
+
+ switch( p_sys->stream_format.mChannelsPerFrame )
+ {
+ case 1:
+ p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER;
+ break;
+
+ case 2:
+ p_aout->output.output.i_physical_channels =
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
+ break;
+
+ case 4:
+ p_aout->output.output.i_physical_channels =
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT |
+ AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
+ break;
+
+ case 6:
+ p_aout->output.output.i_physical_channels =
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT |
+ AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT |
+ AOUT_CHAN_CENTER | AOUT_CHAN_LFE;
+ break;
+
+ case 8:
+ p_aout->output.output.i_physical_channels =
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT |
+ AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT |
+ AOUT_CHAN_CENTER | AOUT_CHAN_LFE |
+ AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT;
+ break;
+
+ default:
+ msg_Err( p_aout, "unknown channel count: [%ld]",
+ p_sys->stream_format.mChannelsPerFrame );
+ FreeDevice( p_aout );
+ FreeHardwareInfo( p_aout );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( (void *)p_sys );
+ return( VLC_EGENERIC );
+ }
+
+ p_aout->output.i_nb_samples = (int)( p_sys->i_buffer_size /
+ p_sys->stream_format.mBytesPerFrame );
+
+ aout_VolumeSoftInit( p_aout );
+ break;
+
+ case 'IAC3':
+ case kAudioFormat60958AC3:
+ 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;
+
+ aout_VolumeNoneInit( p_aout );
+ break;
+
+ default:
+ msg_Err( p_aout, "unknown hardware format: [%4.4s]",
+ (char *)&p_sys->stream_format.mFormatID );
+ FreeDevice( p_aout );
+ FreeHardwareInfo( p_aout );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( (void *)p_sys );
+ return( VLC_EGENERIC );
+ }
+
+ /* Set buffer frame size */
+ i_param_size = sizeof( p_aout->output.i_nb_samples );
+ err = AudioDeviceSetProperty( p_sys->devid, 0, 0, FALSE,
+ kAudioDevicePropertyBufferFrameSize,
+ i_param_size,
+ &p_aout->output.i_nb_samples );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "failed to set buffer frame size: [%4.4s]",
+ (char *)&err );
+ FreeDevice( p_aout );
+ FreeHardwareInfo( p_aout );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( (void *)p_sys );
+ return( VLC_EGENERIC );
}
- p_aout->output.i_nb_samples = p_sys->i_buffer_size / sizeof(float)
- / p_aout->output.output.i_channels;
+ msg_Dbg( p_aout, "device buffer frame size set to: [%d]",
+ p_aout->output.i_nb_samples );
/* Add callback */
- err = AudioDeviceAddIOProc( p_sys->device,
+ err = AudioDeviceAddIOProc( p_sys->devid,
(AudioDeviceIOProc)IOCallback,
(void *)p_aout );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceAddIOProc failed: [%4.4s]",
+ (char *)&err );
+ FreeDevice( p_aout );
+ FreeHardwareInfo( p_aout );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( (void *)p_sys );
+ return( VLC_EGENERIC );
+ }
+
+ /* Start device */
+ err = AudioDeviceStart( p_sys->devid, (AudioDeviceIOProc)IOCallback );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceStart failed: [%4.4s]",
+ (char *)&err );
- /* Open the output with callback IOCallback */
- err = AudioDeviceStart( p_sys->device,
- (AudioDeviceIOProc)IOCallback );
+ err = AudioDeviceRemoveIOProc( p_sys->devid,
+ (AudioDeviceIOProc)IOCallback );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceRemoveIOProc failed: [%4.4s]",
+ (char *)&err );
+ }
+
+ FreeDevice( p_aout );
+ FreeHardwareInfo( p_aout );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( (void *)p_sys );
+
+ return( VLC_EGENERIC );
+ }
+
+ err = AudioHardwareAddPropertyListener( kAudioHardwarePropertyDevices,
+ HardwareListener,
+ (void *)p_aout );
if( err != noErr )
{
- msg_Err( p_aout, "AudioDeviceStart failed: %d", err );
- return -1;
+ msg_Err( p_aout, "AudioHardwareAddPropertyListener failed: %4.4s",
+ (char *)&err );
+
+ /* Stop device */
+ err = AudioDeviceStop( p_sys->devid,
+ (AudioDeviceIOProc)IOCallback );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceStop failed: [%4.4s]",
+ (char *)&err );
+ }
+
+ /* Remove callback */
+ err = AudioDeviceRemoveIOProc( p_sys->devid,
+ (AudioDeviceIOProc)IOCallback );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceRemoveIOProc failed: [%4.4s]",
+ (char *)&err );
+ }
+
+ FreeDevice( p_aout );
+ FreeHardwareInfo( p_aout );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( (void *)p_sys );
+
+ return( VLC_EGENERIC );
}
/* Let's pray for the following operation to be atomic... */
- p_sys->clock_diff = - (mtime_t)AudioConvertHostTimeToNanos(
- AudioGetCurrentHostTime()) / 1000;
+ p_sys->clock_diff = - (mtime_t)
+ AudioConvertHostTimeToNanos( AudioGetCurrentHostTime() ) / 1000;
p_sys->clock_diff += mdate();
- return 0;
+ return( VLC_SUCCESS );
}
/*****************************************************************************
*****************************************************************************/
void E_(CloseAudio)( aout_instance_t * p_aout )
{
- struct aout_sys_t * p_sys = p_aout->output.p_sys;
OSStatus err;
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+
+ if( p_sys->b_dev_alive )
+ {
+ /* Stop device */
+ err = AudioDeviceStop( p_sys->devid,
+ (AudioDeviceIOProc)IOCallback );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceStop failed: [%4.4s]",
+ (char *)&err );
+ }
+
+ /* Remove callback */
+ err = AudioDeviceRemoveIOProc( p_sys->devid,
+ (AudioDeviceIOProc)IOCallback );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceRemoveIOProc failed: [%4.4s]",
+ (char *)&err );
+ }
- /* Stop playing sound through the device */
- err = AudioDeviceStop( p_sys->device,
- (AudioDeviceIOProc)IOCallback );
+ FreeDevice( p_aout );
+ }
+
+ err = AudioHardwareRemovePropertyListener( kAudioHardwarePropertyDevices,
+ HardwareListener );
if( err != noErr )
{
- msg_Err( p_aout, "AudioDeviceStop failed: %d", err );
+ msg_Err( p_aout, "AudioHardwareRemovePropertyListener failed: [%4.4s]",
+ (char *)&err );
}
+ FreeHardwareInfo( p_aout );
+
+ vlc_mutex_destroy( &p_sys->lock );
+
free( p_sys );
}
}
/*****************************************************************************
- * IOCallback : callback for audio output
+ * IOCallback: callback for audio output
*****************************************************************************/
static OSStatus IOCallback( AudioDeviceID inDevice,
- const AudioTimeStamp *inNow,
- const void *inInputData,
- const AudioTimeStamp *inInputTime,
- AudioBufferList *outOutputData,
- const AudioTimeStamp *inOutputTime,
- void *threadGlobals )
+ const AudioTimeStamp * inNow,
+ const void * inInputData,
+ const AudioTimeStamp * inInputTime,
+ AudioBufferList * outOutputData,
+ const AudioTimeStamp * inOutputTime,
+ void * threadGlobals )
{
+ aout_buffer_t * p_buffer;
+ AudioTimeStamp host_time;
+ mtime_t current_date;
+
aout_instance_t * p_aout = (aout_instance_t *)threadGlobals;
struct aout_sys_t * p_sys = p_aout->output.p_sys;
- mtime_t current_date;
- AudioTimeStamp host_time;
- aout_buffer_t * p_buffer;
host_time.mFlags = kAudioTimeStampHostTimeValid;
AudioDeviceTranslateTime( inDevice, inOutputTime, &host_time );
- current_date = p_sys->clock_diff
- + AudioConvertHostTimeToNanos(host_time.mHostTime) / 1000;
+ current_date = p_sys->clock_diff +
+ AudioConvertHostTimeToNanos( host_time.mHostTime ) / 1000;
- p_buffer = aout_OutputNextBuffer( p_aout, current_date, VLC_FALSE );
+#define B_SPDI (p_aout->output.output.i_format == VLC_FOURCC('s','p','d','i'))
+ p_buffer = aout_OutputNextBuffer( p_aout, current_date, B_SPDI );
+#undef B_SPDI
- /* move data into output data buffer */
- if ( p_buffer != NULL )
+ if( p_buffer != NULL )
{
- BlockMoveData( p_buffer->p_buffer,
+ /* move data into output data buffer */
+ BlockMoveData( p_buffer->p_buffer,
outOutputData->mBuffers[ 0 ].mData,
p_sys->i_buffer_size );
+
aout_BufferFree( p_buffer );
}
else
{
- memset(outOutputData->mBuffers[ 0 ].mData, 0, p_sys->i_buffer_size);
+ if( p_aout->output.output.i_format == VLC_FOURCC('f','l','3','2') )
+ {
+ UInt32 i, i_size = p_sys->i_buffer_size / sizeof(float);
+ float * p = (float *)outOutputData->mBuffers[ 0 ].mData;
+
+ for( i = 0; i < i_size; i++ )
+ {
+ *p++ = 0.0;
+ }
+ }
+ else
+ {
+ memset( outOutputData->mBuffers[ 0 ].mData,
+ 0, p_sys->i_buffer_size );
+ }
+ }
+
+ return( noErr );
+}
+
+/*****************************************************************************
+ * InitHardwareInfo
+ *****************************************************************************/
+static int InitHardwareInfo( aout_instance_t * p_aout )
+{
+ OSStatus err;
+ UInt32 i, i_param_size;
+ AudioDeviceID devid_def;
+ AudioDeviceID * p_devices;
+
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+
+ vlc_mutex_lock( &p_sys->lock );
+
+ /* Get number of devices */
+ err = AudioHardwareGetPropertyInfo( kAudioHardwarePropertyDevices,
+ &i_param_size, NULL );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioHardwareGetPropertyInfo failed: [%4.4s]",
+ (char *)&err );
+ vlc_mutex_unlock( &p_sys->lock );
+ return( VLC_EGENERIC );
+ }
+
+ p_sys->i_devices = i_param_size / sizeof( AudioDeviceID );
+
+ if( p_sys->i_devices < 1 )
+ {
+ msg_Err( p_aout, "no devices found" );
+ vlc_mutex_unlock( &p_sys->lock );
+ return( VLC_EGENERIC );
+ }
+
+ msg_Dbg( p_aout, "system has [%ld] device(s)", p_sys->i_devices );
+
+ /* Allocate DeviceID array */
+ p_devices = (AudioDeviceID *)malloc( i_param_size );
+ if( p_devices == NULL )
+ {
+ msg_Err( p_aout, "out of memory" );
+ vlc_mutex_unlock( &p_sys->lock );
+ return( VLC_ENOMEM );
+ }
+
+ /* Populate DeviceID array */
+ err = AudioHardwareGetProperty( kAudioHardwarePropertyDevices,
+ &i_param_size, (void *)p_devices );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioHardwareGetProperty failed: [%4.4s]",
+ (char *)&err );
+ free( (void *)p_devices );
+ vlc_mutex_unlock( &p_sys->lock );
+ return( VLC_EGENERIC );
+ }
+
+ i_param_size = sizeof( AudioDeviceID );
+ err = AudioHardwareGetProperty( kAudioHardwarePropertyDefaultOutputDevice,
+ &i_param_size, (void *)&devid_def );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioHardwareGetProperty failed: [%4.4s]",
+ (char *)&err );
+ free( (void *)p_devices );
+ vlc_mutex_unlock( &p_sys->lock );
+ return( VLC_EGENERIC );
+ }
+
+ p_sys->p_devices = (struct aout_dev_t *)
+ malloc( sizeof( struct aout_dev_t ) * p_sys->i_devices );
+ if( p_sys->p_devices == NULL )
+ {
+ msg_Err( p_aout, "out of memory" );
+ free( (void *)p_devices );
+ vlc_mutex_unlock( &p_sys->lock );
+ return( VLC_ENOMEM );
+ }
+
+ p_sys->i_options = 0;
+ p_sys->p_options = NULL;
+
+ for( i = 0; i < p_sys->i_devices; i++ )
+ {
+ p_sys->p_devices[i].devid = p_devices[i];
+
+ if( p_devices[i] == devid_def )
+ {
+ p_sys->i_def_dev = i;
+ }
+
+ if( InitDeviceInfo( i, p_aout ) )
+ {
+ UInt32 j;
+
+ msg_Err( p_aout, "InitDeviceInfo(%ld) failed", i );
+
+ for( j = 0; j < i; j++ )
+ {
+ FreeDeviceInfo( j, p_aout );
+ }
+
+ free( (void *)p_sys->p_devices );
+ free( (void *)p_devices );
+
+ vlc_mutex_unlock( &p_sys->lock );
+
+ return( VLC_EGENERIC );
+ }
+ }
+
+ free( (void *)p_devices );
+
+ p_sys->b_hwinfo = VLC_TRUE;
+
+ vlc_mutex_unlock( &p_sys->lock );
+
+ return( VLC_SUCCESS );
+}
+
+/*****************************************************************************
+ * InitDeviceInfo
+ *****************************************************************************/
+static int InitDeviceInfo( UInt32 i_dev, aout_instance_t * p_aout )
+{
+ OSStatus err;
+ UInt32 i, i_param_size;
+ AudioBufferList * p_buffer_list;
+
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+ struct aout_dev_t * p_dev = &p_sys->p_devices[i_dev];
+
+ /* Get length of device name */
+ err = AudioDeviceGetPropertyInfo( p_dev->devid, 0, FALSE,
+ kAudioDevicePropertyDeviceName,
+ &i_param_size, NULL );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceGetPropertyInfo failed: [%4.4s]",
+ (char *)&err );
+ return( VLC_EGENERIC );
+ }
+
+ /* Allocate memory for device name */
+ p_dev->psz_device_name = (char *)malloc( i_param_size );
+ if( p_dev->psz_device_name == NULL )
+ {
+ msg_Err( p_aout, "out of memory" );
+ return( VLC_ENOMEM );
+ }
+
+ /* Get device name */
+ err = AudioDeviceGetProperty( p_dev->devid, 0, FALSE,
+ kAudioDevicePropertyDeviceName,
+ &i_param_size, p_dev->psz_device_name );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceGetProperty failed: [%4.4s]",
+ (char *)&err );
+ free( (void *)p_dev->psz_device_name );
+ return( VLC_EGENERIC );
+ }
+
+ msg_Dbg( p_aout, "device [%ld] has name [%s]",
+ i_dev, p_dev->psz_device_name );
+
+ err = AudioDeviceGetPropertyInfo( p_dev->devid, 0, FALSE,
+ kAudioDevicePropertyStreamConfiguration,
+ &i_param_size, NULL );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceGetPropertyInfo failed: [%4.4s]",
+ (char *)&err );
+ free( (void *)p_dev->psz_device_name );
+ return( VLC_EGENERIC );
+ }
+
+ p_buffer_list = (AudioBufferList *)malloc( i_param_size );
+ if( p_buffer_list == NULL )
+ {
+ msg_Err( p_aout, "out of memory" );
+ free( (void *)p_dev->psz_device_name );
+ return( VLC_ENOMEM );
+ }
+
+ err = AudioDeviceGetProperty( p_dev->devid, 0, FALSE,
+ kAudioDevicePropertyStreamConfiguration,
+ &i_param_size, p_buffer_list );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceGetProperty failed: [%4.4s]",
+ (char *)&err );
+ free( (void *)p_dev->psz_device_name );
+ free( (void *)p_buffer_list );
+ return( VLC_EGENERIC );
+ }
+
+ p_dev->i_streams = p_buffer_list->mNumberBuffers;
+ free( (void *)p_buffer_list );
+
+ msg_Dbg( p_aout, "device [%ld] has [%ld] streams",
+ i_dev, p_dev->i_streams );
+
+ p_dev->pi_streams = (UInt32 *)malloc( p_dev->i_streams *
+ sizeof( *p_dev->pi_streams ) );
+ if( p_dev->pi_streams == NULL )
+ {
+ msg_Err( p_aout, "out of memory" );
+ free( (void *)p_dev->psz_device_name );
+ return( VLC_ENOMEM );
+ }
+
+ p_dev->pp_streams = (AudioStreamBasicDescription **)
+ malloc( p_dev->i_streams *
+ sizeof( *p_dev->pp_streams ) );
+ if( p_dev->pp_streams == NULL )
+ {
+ msg_Err( p_aout, "out of memory" );
+ free( (void *)p_dev->psz_device_name );
+ free( (void *)p_dev->pi_streams );
+ return( VLC_ENOMEM );
+ }
+
+ for( i = 0; i < p_dev->i_streams; i++ )
+ {
+ if( InitStreamInfo( i_dev, p_aout, i ) )
+ {
+ UInt32 j;
+
+ msg_Err( p_aout, "InitStreamInfo(%ld, %ld) failed", i_dev, i );
+
+ for( j = 0; j < i; j++ )
+ {
+ FreeStreamInfo( i_dev, p_aout, j );
+ }
+
+ free( (void *)p_dev->psz_device_name );
+ free( (void *)p_dev->pi_streams );
+ free( (void *)p_dev->pp_streams );
+
+ return( VLC_EGENERIC );
+ }
+ }
+
+ return( VLC_SUCCESS );
+}
+
+/*****************************************************************************
+ * FreeDeviceInfo
+ *****************************************************************************/
+static void FreeDeviceInfo( UInt32 i_dev, aout_instance_t * p_aout )
+{
+ UInt32 i;
+
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+ struct aout_dev_t * p_dev = &p_sys->p_devices[i_dev];
+
+ for( i = 0; i < p_dev->i_streams; i++ )
+ {
+ FreeStreamInfo( i_dev, p_aout, i );
+ }
+
+ free( (void *)p_dev->pp_streams );
+ free( (void *)p_dev->pi_streams );
+ free( (void *)p_dev->psz_device_name );
+}
+
+/*****************************************************************************
+ * FreeHardwareInfo
+ *****************************************************************************/
+static void FreeHardwareInfo( aout_instance_t * p_aout )
+{
+ UInt32 i;
+
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+
+ vlc_mutex_lock( &p_sys->lock );
+
+ if( !p_sys->b_hwinfo )
+ {
+ vlc_mutex_unlock( &p_sys->lock );
+ return;
+ }
+
+ for( i = 0; i < p_sys->i_devices; i++ )
+ {
+ FreeDeviceInfo( i, p_aout );
+ }
+
+ free( (void *)p_sys->p_options );
+ free( (void *)p_sys->p_devices );
+
+ p_sys->b_hwinfo = VLC_FALSE;
+
+ vlc_mutex_unlock( &p_sys->lock );
+}
+
+/*****************************************************************************
+ * GetStreamID
+ *****************************************************************************/
+static int GetStreamID( AudioDeviceID devid, UInt32 i_idx,
+ AudioStreamID * p_sid )
+{
+ OSStatus err;
+ UInt32 i_param_size;
+ AudioStreamID * p_stream_list;
+
+ err = AudioDeviceGetPropertyInfo( devid, 0, FALSE,
+ kAudioDevicePropertyStreams,
+ &i_param_size, NULL );
+ if( err != noErr )
+ {
+ return( VLC_EGENERIC );
+ }
+
+ p_stream_list = (AudioStreamID *)malloc( i_param_size );
+ if( p_stream_list == NULL )
+ {
+ return( VLC_ENOMEM );
+ }
+
+ err = AudioDeviceGetProperty( devid, 0, FALSE,
+ kAudioDevicePropertyStreams,
+ &i_param_size, p_stream_list );
+ if( err != noErr )
+ {
+ free( (void *)p_stream_list );
+ return( VLC_EGENERIC );
+ }
+
+ *p_sid = p_stream_list[i_idx - 1];
+
+ free( (void *)p_stream_list );
+
+ return( VLC_SUCCESS );
+}
+
+/*****************************************************************************
+ * InitStreamInfo
+ *****************************************************************************/
+static int InitStreamInfo( UInt32 i_dev, aout_instance_t * p_aout,
+ UInt32 i_idx )
+{
+ OSStatus err;
+ AudioStreamID i_sid;
+ UInt32 i, j, i_param_size;
+
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+ struct aout_dev_t * p_dev = &p_sys->p_devices[i_dev];
+
+ if( GetStreamID( p_dev->devid, i_idx + 1, &i_sid ) )
+ {
+ msg_Err( p_aout, "GetStreamID(%ld, %ld) failed", i_dev, i_idx );
+ return( VLC_EGENERIC );
+ }
+
+ err = AudioStreamGetPropertyInfo( i_sid, 0,
+ kAudioStreamPropertyPhysicalFormats,
+ &i_param_size, NULL );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioStreamGetPropertyInfo failed: [%4.4s]",
+ (char *)&err );
+ return( VLC_EGENERIC );
+ }
+
+#define P_STREAMS p_dev->pp_streams[i_idx]
+#define I_STREAMS p_dev->pi_streams[i_idx]
+
+ I_STREAMS = i_param_size / sizeof( AudioStreamBasicDescription );
+
+ P_STREAMS = (AudioStreamBasicDescription *)malloc( i_param_size );
+ if( P_STREAMS == NULL )
+ {
+ msg_Err( p_aout, "out of memory" );
+ return( VLC_ENOMEM );
+ }
+
+ memset( P_STREAMS, 0, i_param_size );
+
+ err = AudioStreamGetProperty( i_sid, 0,
+ kAudioStreamPropertyPhysicalFormats,
+ &i_param_size, P_STREAMS );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioStreamGetProperty failed: [%4.4s]",
+ (char *)&err );
+ free( (void *)P_STREAMS );
+ return( VLC_EGENERIC );
+ }
+
+ for( j = 0; j < N_AOUT_CLASSES; j++ )
+ {
+ vlc_bool_t b_found = 0;
+
+ for( i = 0; i < I_STREAMS; i++ )
+ {
+ if( j == 0 )
+ {
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "supported format",
+ P_STREAMS[i] ) );
+ }
+
+ if( ( P_STREAMS[i].mFormatID == 'IAC3' ||
+ P_STREAMS[i].mFormatID == kAudioFormat60958AC3 ) &&
+ !AOUT_FMT_NON_LINEAR( &p_aout->output.output ) )
+ {
+ continue;
+ }
+
+ if( ( P_STREAMS[i].mFormatID != aout_classes[j].mFormatID ) ||
+ ( P_STREAMS[i].mChannelsPerFrame !=
+ aout_classes[j].mChannelsPerFrame ) )
+ {
+ continue;
+ }
+
+ b_found = 1;
+ break;
+ }
+
+ if( b_found )
+ {
+ p_sys->p_options = (struct aout_option_t *)
+ realloc( p_sys->p_options,
+ ( p_sys->i_options + 1 ) *
+ sizeof( struct aout_option_t ) );
+ if( p_sys->p_options == NULL )
+ {
+ msg_Err( p_aout, "out of memory" );
+ free( (void *)P_STREAMS );
+ return( VLC_ENOMEM );
+ }
+
+#define AOUT_OPTION p_sys->p_options[p_sys->i_options]
+
+ snprintf( AOUT_OPTION.sz_option,
+ sizeof( AOUT_OPTION.sz_option ) /
+ sizeof( AOUT_OPTION.sz_option[0] ) - 1,
+ "%ld: %s (%s)",
+ p_sys->i_options,
+ p_dev->psz_device_name,
+ aout_classes[j].psz_class );
+
+ AOUT_OPTION.i_sid = i_sid;
+ AOUT_OPTION.i_dev = i_dev;
+ AOUT_OPTION.i_idx = i_idx;
+ AOUT_OPTION.i_sdx = i;
+ AOUT_OPTION.i_cdx = j;
+
+#undef AOUT_OPTION
+
+ p_sys->i_options++;
+ }
+ }
+
+#undef I_STREAMS
+#undef P_STREAMS
+
+ return( VLC_SUCCESS );
+}
+
+/*****************************************************************************
+ * FreeStreamInfo
+ *****************************************************************************/
+static void FreeStreamInfo( UInt32 i_dev, aout_instance_t * p_aout,
+ UInt32 i_idx )
+{
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+ struct aout_dev_t * p_dev = &p_sys->p_devices[i_dev];
+
+ free( (void *)p_dev->pp_streams[i_idx] );
+}
+
+/*****************************************************************************
+ * InitDevice
+ *****************************************************************************/
+static int InitDevice( aout_instance_t * p_aout )
+{
+ OSStatus err;
+ vlc_value_t val;
+ unsigned int i_option;
+ vlc_bool_t b_found = VLC_FALSE;
+ UInt32 i, i_stream, i_param_size;
+ AudioStreamBasicDescription desc;
+
+ struct aout_dev_t * p_dev;
+ struct aout_option_t * p_option;
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+
+ if( var_Get( p_aout, "audio-device", &val ) < 0 )
+ {
+ msg_Err( p_aout, "audio-device var does not exist" );
+ return( VLC_ENOVAR );
+ }
+
+ if( !sscanf( val.psz_string, "%d:", &i_option ) ||
+ p_sys->i_options <= i_option )
+ {
+ i_option = 0;
+ }
+
+ free( (void *)val.psz_string );
+
+ p_option = &p_sys->p_options[i_option];
+ p_dev = &p_sys->p_devices[p_option->i_dev];
+
+ msg_Dbg( p_aout, "getting device [%ld]", p_option->i_dev );
+
+ i_param_size = sizeof( p_sys->b_dev_alive );
+ err = AudioDeviceGetProperty( p_dev->devid, 0, FALSE,
+ kAudioDevicePropertyDeviceIsAlive,
+ &i_param_size, &p_sys->b_dev_alive );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceGetProperty failed: %4.4s",
+ (char *)&err );
+ return( VLC_EGENERIC );
+ }
+
+#define P_STREAMS p_dev->pp_streams[p_option->i_idx]
+#define I_STREAMS p_dev->pi_streams[p_option->i_idx]
+
+ for( i = 0; i < I_STREAMS; i++ )
+ {
+ if( P_STREAMS[i].mFormatID ==
+ aout_classes[p_option->i_cdx].mFormatID &&
+ P_STREAMS[i].mSampleRate == p_aout->output.output.i_rate )
+ {
+ b_found = VLC_TRUE;
+ break;
+ }
+ }
+
+ i_stream = b_found ? i : p_option->i_sdx;
+
+ i_param_size = sizeof( desc );
+ memset( &desc, 0, i_param_size );
+ err = AudioStreamGetProperty( p_option->i_sid, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ &i_param_size, (void *)&desc );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioStreamGetPropertyInfo failed: [%4.4s]",
+ (char *)&err );
+ return( VLC_EGENERIC );
+ }
+
+ if( memcmp( &P_STREAMS[i_stream], &desc, sizeof( desc ) ) != 0 )
+ {
+ struct { vlc_mutex_t lock; vlc_cond_t cond; } w;
+
+ vlc_cond_init( p_aout, &w.cond );
+ vlc_mutex_init( p_aout, &w.lock );
+
+ err = AudioStreamAddPropertyListener( p_option->i_sid, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ StreamListener, (void *)&w );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioStreamAddPropertyListener failed: [%4.4s]",
+ (char *)&err );
+ vlc_mutex_destroy( &w.lock );
+ vlc_cond_destroy( &w.cond );
+ return( VLC_EGENERIC );
+ }
+
+ vlc_mutex_lock( &w.lock );
+
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "setting format",
+ P_STREAMS[i_stream] ) );
+
+ err = AudioStreamSetProperty( p_option->i_sid, 0, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ sizeof( P_STREAMS[i_stream] ),
+ &P_STREAMS[i_stream] );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioStreamSetProperty failed: [%4.4s]",
+ (char *)&err );
+ vlc_mutex_unlock( &w.lock );
+ vlc_mutex_destroy( &w.lock );
+ vlc_cond_destroy( &w.cond );
+ return( VLC_EGENERIC );
+ }
+
+ vlc_cond_wait( &w.cond, &w.lock );
+ vlc_mutex_unlock( &w.lock );
+
+ vlc_mutex_destroy( &w.lock );
+ vlc_cond_destroy( &w.cond );
+
+ if( GetStreamID( p_dev->devid, p_option->i_idx + 1,
+ &p_option->i_sid ) )
+ {
+ msg_Err( p_aout, "GetStreamID(%ld, %ld) failed",
+ p_option->i_dev, p_option->i_idx );
+ return( VLC_EGENERIC );
+ }
+
+ err = AudioStreamRemovePropertyListener( p_option->i_sid, 0,
+ kAudioStreamPropertyPhysicalFormat, StreamListener );
+ if( err != noErr )
+ {
+ msg_Err( p_aout,
+ "AudioStreamRemovePropertyListener failed: [%4.4s]",
+ (char *)&err );
+
+ return( VLC_EGENERIC );
+ }
+ }
+
+#undef I_STREAMS
+#undef P_STREAMS
+
+ err = AudioDeviceAddPropertyListener( p_dev->devid, 0, FALSE,
+ kAudioDevicePropertyDeviceIsAlive,
+ DeviceListener, (void *)p_aout );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceAddPropertyListener failed: [%4.4s]",
+ (char *)&err );
+ return( VLC_EGENERIC );
+ }
+
+ config_PutInt( p_aout, "macosx-adev", i_option );
+
+ p_sys->i_sel_opt = i_option;
+ p_sys->devid = p_dev->devid;
+
+ return( VLC_SUCCESS );
+}
+
+/*****************************************************************************
+ * FreeDevice
+ *****************************************************************************/
+static void FreeDevice( aout_instance_t * p_aout )
+{
+ OSStatus err;
+
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+
+ err = AudioDeviceRemovePropertyListener( p_sys->devid, 0, FALSE,
+ kAudioDevicePropertyDeviceIsAlive,
+ DeviceListener );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceRemovePropertyListener failed: [%4.4s]",
+ (char *)&err );
+ }
+}
+
+/*****************************************************************************
+ * HardwareListener
+ *****************************************************************************/
+static OSStatus HardwareListener( AudioHardwarePropertyID inPropertyID,
+ void * inClientData )
+{
+ OSStatus err = noErr;
+
+ aout_instance_t * p_aout = (aout_instance_t *)inClientData;
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+
+ switch( inPropertyID )
+ {
+ case kAudioHardwarePropertyDevices:
+ {
+ UInt32 i_idx = 0;
+ UInt32 i_sdx = 0;
+ int i_option = -1;
+
+ if( p_sys->b_dev_alive )
+ {
+ i_idx = p_sys->p_options[p_sys->i_sel_opt].i_idx;
+ i_sdx = p_sys->p_options[p_sys->i_sel_opt].i_sdx;
+ }
+
+ FreeHardwareInfo( p_aout );
+
+ if( InitHardwareInfo( p_aout ) )
+ {
+ msg_Err( p_aout, "InitHardwareInfo failed" );
+ break;
+ }
+
+ if( p_sys->b_dev_alive )
+ {
+ UInt32 i;
+
+ for( i = 0; i < p_sys->i_options; i++ )
+ {
+ if( p_sys->p_devices[p_sys->p_options[i].i_dev].devid ==
+ p_sys->devid && p_sys->p_options[i].i_idx == i_idx &&
+ p_sys->p_options[i].i_sdx == i_sdx )
+ {
+ i_option = i;
+ break;
+ }
+ }
+ }
+
+ var_Destroy( p_aout, "audio-device" );
+ InitDeviceVar( p_aout, i_option, !p_sys->b_dev_alive );
+ }
+ break;
+ }
+
+ return( err );
+}
+
+/*****************************************************************************
+ * DeviceListener
+ *****************************************************************************/
+static OSStatus DeviceListener( AudioDeviceID inDevice,
+ UInt32 inChannel,
+ Boolean isInput,
+ AudioDevicePropertyID inPropertyID,
+ void *inClientData )
+{
+ UInt32 i_param_size;
+ OSStatus err = noErr;
+
+ aout_instance_t * p_aout = (aout_instance_t *)inClientData;
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+
+ switch( inPropertyID )
+ {
+ case kAudioDevicePropertyDeviceIsAlive:
+ {
+ i_param_size = sizeof( p_sys->b_dev_alive );
+ err = AudioDeviceGetProperty( p_sys->devid, 0, FALSE,
+ kAudioDevicePropertyDeviceIsAlive,
+ &i_param_size, &p_sys->b_dev_alive );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceGetProperty failed: %4.4s",
+ (char *)&err );
+ }
+ }
+ 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 noErr;
+ return( err );
}
+/*****************************************************************************
+ * InitDeviceVar
+ *****************************************************************************/
+static void InitDeviceVar( aout_instance_t * p_aout, int i_option,
+ vlc_bool_t b_change )
+{
+ UInt32 i;
+ vlc_value_t val;
+
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+
+ if( i_option == -1 || i_option >= (int)p_sys->i_options )
+ {
+ for( i = 0; i < p_sys->i_options; i++ )
+ {
+ if( p_sys->p_options[i].i_dev == p_sys->i_def_dev )
+ {
+ i_option = i;
+ break;
+ }
+ }
+ }
+
+ var_Create( p_aout, "audio-device", VLC_VAR_STRING |
+ VLC_VAR_HASCHOICE );
+
+ for( i = 0; i < p_sys->i_options; i++ )
+ {
+ val.psz_string = p_sys->p_options[i].sz_option;
+ var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val );
+
+ if( !b_change && i == (UInt32)i_option )
+ {
+ p_sys->i_sel_opt = i;
+ var_Set( p_aout, "audio-device", val );
+ config_PutInt( p_aout, "macosx-adev", i_option );
+ }
+ }
+
+ var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart,
+ NULL );
+
+ if( b_change )
+ {
+ val.psz_string = p_sys->p_options[i_option].sz_option;
+ var_Set( p_aout, "audio-device", val );
+ }
+
+ val.b_bool = VLC_TRUE;
+ var_Set( p_aout, "intf-change", val );
+}