/*****************************************************************************
* auhal.c: AUHAL and Coreaudio output plugin
*****************************************************************************
- * Copyright (C) 2005, 2011 the VideoLAN team
+ * Copyright (C) 2005 - 2012 VLC authors and VideoLAN
* $Id$
*
* Authors: Derk-Jan Hartman <hartman at videolan dot org>
* Felix Paul Kühne <fkuehne at videolan dot org>
*
- * 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
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
+ * You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
*****************************************************************************/
#ifdef HAVE_CONFIG_H
-# include "config.h"
+# import "config.h"
#endif
-#include <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_dialog.h> // dialog_Fatal
-#include <vlc_aout.h> // aout_*
+#import <vlc_common.h>
+#import <vlc_plugin.h>
+#import <vlc_dialog.h> // dialog_Fatal
+#import <vlc_aout.h> // aout_*
-#include <AudioUnit/AudioUnit.h> // AudioDeviceID
-#include <AudioToolbox/AudioFormat.h> // AudioFormatGetProperty
+#import <AudioUnit/AudioUnit.h> // AudioUnit
+#import <CoreAudio/CoreAudio.h> // AudioDeviceID
+#import <AudioToolbox/AudioFormat.h> // AudioFormatGetProperty
+#import <CoreServices/CoreServices.h>
#ifndef verify_noerr
# define verify_noerr(a) assert((a) == noErr)
#endif
-#define STREAM_FORMAT_MSG( pre, sfm ) \
+#define STREAM_FORMAT_MSG(pre, sfm) \
pre "[%f][%4.4s][%u][%u][%u][%u][%u][%u]", \
sfm.mSampleRate, (char *)&sfm.mFormatID, \
(unsigned int)sfm.mFormatFlags, (unsigned int)sfm.mBytesPerPacket, \
(unsigned int)sfm.mFramesPerPacket, (unsigned int)sfm.mBytesPerFrame, \
(unsigned int)sfm.mChannelsPerFrame, (unsigned int)sfm.mBitsPerChannel
-#ifndef NDEBUG
-#define STREAM_FORMAT_MSG_FULL( pre, sfm ) \
- pre ":\nsamplerate: [%"PRIu32"]\nFormatID: [%4.4s]\nFormatFlags: [%"PRIu32"]\nBypesPerPacket: [%"PRIu32"]\nFramesPerPacket: [%"PRIu32"]\nBytesPerFrame: [%u]\nChannelsPerFrame: [%u]\nBitsPerChannel[%u]", \
- (UInt32)sfm.mSampleRate, (char *)&sfm.mFormatID, \
- sfm.mFormatFlags, sfm.mBytesPerPacket, \
- sfm.mFramesPerPacket, sfm.mBytesPerFrame, \
- sfm.mChannelsPerFrame, sfm.mBitsPerChannel
-#endif
-
#define FRAMESIZE 2048
#define BUFSIZE (FRAMESIZE * 8) * 8
#define AOUT_VAR_SPDIF_FLAG 0xf00000
-/*
- * TODO:
- * - clean up the debug info
- * - be better at changing stream setup or devices setup changes while playing.
- * - fix 6.1 and 7.1
- */
+#define AOUT_VOLUME_DEFAULT 256
+#define AOUT_VOLUME_MAX 512
+
/*****************************************************************************
* aout_sys_t: private audio output method descriptor
bool b_digital; /* Are we running in digital mode? */
mtime_t clock_diff; /* Difference between VLC clock and Device clock */
+ uint8_t chans_to_reorder; /* do we need channel reordering */
+ uint8_t chan_table[AOUT_CHAN_MAX];
+
/* AUHAL specific */
Component au_component; /* The Audiocomponent we use */
AudioUnit au_unit; /* The AudioUnit we use */
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
-static int Open ( vlc_object_t * );
-static int OpenAnalog ( audio_output_t * );
-static int OpenSPDIF ( audio_output_t * );
-static void Close ( vlc_object_t * );
+static int Open (vlc_object_t *);
+static int OpenAnalog (audio_output_t *, audio_sample_format_t *);
+static int OpenSPDIF (audio_output_t *, audio_sample_format_t *);
+static void Close (vlc_object_t *);
-static void Probe ( audio_output_t * );
+static void Probe (audio_output_t *);
-static int AudioDeviceHasOutput ( AudioDeviceID );
-static int AudioDeviceSupportsDigital( audio_output_t *, AudioDeviceID );
-static int AudioStreamSupportsDigital( audio_output_t *, AudioStreamID );
-static int AudioStreamChangeFormat ( audio_output_t *, AudioStreamID, AudioStreamBasicDescription );
+static int AudioDeviceHasOutput (AudioDeviceID);
+static int AudioDeviceSupportsDigital(audio_output_t *, AudioDeviceID);
+static int AudioStreamSupportsDigital(audio_output_t *, AudioStreamID);
+static int AudioStreamChangeFormat (audio_output_t *, AudioStreamID, AudioStreamBasicDescription);
-static OSStatus RenderCallbackAnalog ( vlc_object_t *, AudioUnitRenderActionFlags *, const AudioTimeStamp *,
+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 ( AudioObjectID, UInt32, const AudioObjectPropertyAddress *, void * );
-static OSStatus StreamListener ( AudioObjectID, UInt32, const AudioObjectPropertyAddress *, void * );
-static int AudioDeviceCallback ( vlc_object_t *, const char *,
- vlc_value_t, vlc_value_t, void * );
+static OSStatus RenderCallbackSPDIF (AudioDeviceID, const AudioTimeStamp *, const void *, const AudioTimeStamp *,
+ AudioBufferList *, const AudioTimeStamp *, void *);
+static OSStatus HardwareListener (AudioObjectID, UInt32, const AudioObjectPropertyAddress *, void *);
+static OSStatus StreamListener (AudioObjectID, UInt32, const AudioObjectPropertyAddress *, void *);
+static int AudioDeviceCallback (vlc_object_t *, const char *,
+ vlc_value_t, vlc_value_t, void *);
+
+static int VolumeSet (audio_output_t *, float);
+static int MuteSet (audio_output_t *, bool);
/*****************************************************************************
"audio device, as listed in your 'Audio Device' menu. This device will " \
"then be used by default for audio playback.")
+#define VOLUME_TEXT N_("Audio volume")
+#define VOLUME_LONGTEXT VOLUME_TEXT
+
vlc_module_begin ()
- set_shortname( "auhal" )
- set_description( N_("HAL AudioUnit output") )
- set_capability( "audio output", 101 )
- set_category( CAT_AUDIO )
- set_subcategory( SUBCAT_AUDIO_AOUT )
- set_callbacks( Open, Close )
- add_integer( "macosx-audio-device", 0, ADEV_TEXT, ADEV_LONGTEXT, false )
+ set_shortname("auhal")
+ set_description(N_("HAL AudioUnit output"))
+ set_capability("audio output", 101)
+ set_category(CAT_AUDIO)
+ set_subcategory(SUBCAT_AUDIO_AOUT)
+ set_callbacks(Open, Close)
+ add_integer("macosx-audio-device", 0, ADEV_TEXT, ADEV_LONGTEXT, false)
+ add_integer( "auhal-volume", AOUT_VOLUME_DEFAULT,
+ VOLUME_TEXT, VOLUME_LONGTEXT, true )
+ change_integer_range( 0, AOUT_VOLUME_MAX )
vlc_module_end ()
/*****************************************************************************
* Open: open macosx audio output
*****************************************************************************/
-static int Open( vlc_object_t * p_this )
+static int Start(audio_output_t *p_aout, audio_sample_format_t *restrict fmt)
{
OSStatus err = noErr;
UInt32 i_param_size = 0;
struct aout_sys_t *p_sys = NULL;
vlc_value_t val;
- audio_output_t *p_aout = (audio_output_t *)p_this;
/* Use int here, to match kAudioDevicePropertyDeviceIsAlive
* property size */
int b_alive = false;
- /* Allocate structure */
- p_aout->sys = malloc( sizeof( aout_sys_t ) );
- if( p_aout->sys == NULL )
- return VLC_ENOMEM;
-
p_sys = p_aout->sys;
p_sys->i_default_dev = 0;
p_sys->i_selected_dev = 0;
p_sys->i_stream_index = -1;
p_sys->b_revert = false;
p_sys->b_changed_mixing = false;
- memset( p_sys->p_remainder_buffer, 0, sizeof(uint8_t) * BUFSIZE );
+ memset(p_sys->p_remainder_buffer, 0, sizeof(uint8_t) * BUFSIZE);
- p_aout->pf_play = aout_PacketPlay;
- p_aout->pf_pause = aout_PacketPause;
- p_aout->pf_flush = aout_PacketFlush;
+ p_aout->time_get = aout_PacketTimeGet;
+ p_aout->play = aout_PacketPlay;
+ p_aout->pause = NULL;
+ p_aout->flush = aout_PacketFlush;
- aout_FormatPrint( p_aout, "VLC is looking for:", &p_aout->format );
+ aout_FormatPrint(p_aout, "VLC is looking for:", fmt);
/* Persistent device variable */
- if( var_Type( p_aout->p_libvlc, "macosx-audio-device" ) == 0 )
- {
- var_CreateGetInteger( p_aout->p_libvlc, "macosx-audio-device" );
- }
+ if (var_Type(p_aout->p_libvlc, "macosx-audio-device") == 0)
+ var_Create(p_aout->p_libvlc, "macosx-audio-device", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
/* Build a list of devices */
- if( var_Type( p_aout, "audio-device" ) == 0 )
- {
- Probe( p_aout );
- }
+ if (var_Type(p_aout, "audio-device") == 0)
+ Probe(p_aout);
/* What device do we want? */
- if( var_Get( p_aout, "audio-device", &val ) < 0 )
- {
- msg_Err( p_aout, "audio-device var does not exist. device probe failed." );
+ if (var_Get(p_aout, "audio-device", &val) < 0) {
+ msg_Err(p_aout, "audio-device var does not exist. device probe failed.");
goto error;
}
p_sys->i_selected_dev = val.i_int & ~AOUT_VAR_SPDIF_FLAG; /* remove SPDIF flag to get the true DeviceID */
- bool b_supports_digital = ( val.i_int & AOUT_VAR_SPDIF_FLAG );
- if( b_supports_digital )
- msg_Dbg( p_aout, "audio device supports digital output" );
+ bool b_supports_digital = (val.i_int & AOUT_VAR_SPDIF_FLAG);
+ if (b_supports_digital)
+ msg_Dbg(p_aout, "audio device supports digital output");
/* Check if the desired device is alive and usable */
- /* TODO: add a callback to the device to alert us if the device dies */
- i_param_size = sizeof( b_alive );
+ i_param_size = sizeof(b_alive);
AudioObjectPropertyAddress audioDeviceAliveAddress = { kAudioDevicePropertyDeviceIsAlive,
- kAudioDevicePropertyScopeOutput,
+ kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster };
- err = AudioObjectGetPropertyData( p_sys->i_selected_dev, &audioDeviceAliveAddress, 0, NULL, &i_param_size, &b_alive );
+ err = AudioObjectGetPropertyData(p_sys->i_selected_dev, &audioDeviceAliveAddress, 0, NULL, &i_param_size, &b_alive);
- if( err != noErr )
- {
+ if (err != noErr) {
/* Be tolerant, only give a warning here */
- msg_Warn( p_aout, "could not check whether device [0x%x] is alive: %4.4s",
- (unsigned int)p_sys->i_selected_dev, (char *)&err );
+ msg_Warn(p_aout, "could not check whether device [0x%x] is alive: %4.4s",
+ (unsigned int)p_sys->i_selected_dev, (char *)&err);
b_alive = false;
}
- if( !b_alive )
- {
- msg_Warn( p_aout, "selected audio device is not alive, switching to default device" );
+ if (!b_alive) {
+ msg_Warn(p_aout, "selected audio device is not alive, switching to default device");
p_sys->i_selected_dev = p_sys->i_default_dev;
}
+ /* add a callback to see if the device dies later on */
+ err = AudioObjectAddPropertyListener(p_sys->i_selected_dev, &audioDeviceAliveAddress, HardwareListener, (void *)p_aout);
+ if (err != noErr) {
+ /* Be tolerant, only give a warning here */
+ msg_Warn(p_aout, "could not set alive check callback on device [0x%x]: %4.4s",
+ (unsigned int)p_sys->i_selected_dev, (char *)&err);
+ }
+
AudioObjectPropertyAddress audioDeviceHogModeAddress = { kAudioDevicePropertyHogMode,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster };
- i_param_size = sizeof( p_sys->i_hog_pid );
- err = AudioObjectGetPropertyData( p_sys->i_selected_dev, &audioDeviceHogModeAddress, 0, NULL, &i_param_size, &p_sys->i_hog_pid );
- if( err != noErr )
- {
+ i_param_size = sizeof(p_sys->i_hog_pid);
+ err = AudioObjectGetPropertyData(p_sys->i_selected_dev, &audioDeviceHogModeAddress, 0, NULL, &i_param_size, &p_sys->i_hog_pid);
+ if (err != noErr) {
/* This is not a fatal error. Some drivers simply don't support this property */
- msg_Warn( p_aout, "could not check whether device is hogged: %4.4s",
- (char *)&err );
+ msg_Warn(p_aout, "could not check whether device is hogged: %4.4s",
+ (char *)&err);
p_sys->i_hog_pid = -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." );
- dialog_Fatal( p_aout, _("Audio output failed"), "%s",
+ 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.");
+ dialog_Fatal(p_aout, _("Audio output failed"), "%s",
_("The selected audio output device is exclusively in "
- "use by another program.") );
+ "use by another program."));
goto error;
}
+ /* If we change the device we want to use, we should renegotiate the audio chain */
+ var_AddCallback(p_aout, "audio-device", AudioDeviceCallback, NULL);
+
/* Check for Digital mode or Analog output mode */
- if( AOUT_FMT_SPDIF( &p_aout->format ) && b_supports_digital )
- {
- if( OpenSPDIF( p_aout ) )
- {
- msg_Dbg( p_aout, "digital output successfully opened" );
+ if (AOUT_FMT_SPDIF (fmt) && b_supports_digital) {
+ if (OpenSPDIF (p_aout, fmt)) {
+ msg_Dbg(p_aout, "digital output successfully opened");
return VLC_SUCCESS;
}
- }
- else
- {
- if( OpenAnalog( p_aout ) )
- {
- msg_Dbg( p_aout, "analog output successfully opened" );
+ } else {
+ if (OpenAnalog(p_aout, fmt)) {
+ msg_Dbg(p_aout, "analog output successfully opened");
return VLC_SUCCESS;
}
}
error:
/* If we reach this, this aout has failed */
- msg_Err( p_aout, "opening the auhal output failed" );
- var_Destroy( p_aout, "audio-device" );
- free( p_sys );
+ msg_Err(p_aout, "opening the auhal output failed");
+ var_Destroy(p_aout, "audio-device");
return VLC_EGENERIC;
}
/*****************************************************************************
* Open: open and setup a HAL AudioUnit to do analog (multichannel) audio output
*****************************************************************************/
-static int OpenAnalog( audio_output_t *p_aout )
+static int OpenAnalog(audio_output_t *p_aout, audio_sample_format_t *fmt)
{
struct aout_sys_t *p_sys = p_aout->sys;
OSStatus err = noErr;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
- p_sys->au_component = FindNextComponent( NULL, &desc );
- if( p_sys->au_component == NULL )
- {
- msg_Warn( p_aout, "we cannot find our HAL component" );
+ p_sys->au_component = FindNextComponent(NULL, &desc);
+ if (p_sys->au_component == NULL) {
+ msg_Warn(p_aout, "we cannot find our HAL component");
return false;
}
- err = OpenAComponent( p_sys->au_component, &p_sys->au_unit );
- if( err != noErr )
- {
- msg_Warn( p_aout, "we cannot open our HAL component" );
+ err = OpenAComponent(p_sys->au_component, &p_sys->au_unit);
+ if (err != noErr) {
+ msg_Warn(p_aout, "we cannot open our HAL component");
return false;
}
/* Set the device we will use for this output unit */
- err = 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" );
+ if (err != noErr) {
+ msg_Warn(p_aout, "we cannot select the audio device");
return false;
}
/* Get the current format */
i_param_size = sizeof(AudioStreamBasicDescription);
- err = AudioUnitGetProperty( p_sys->au_unit,
+ err = AudioUnitGetProperty(p_sys->au_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input,
0,
&DeviceFormat,
- &i_param_size );
+ &i_param_size);
- if( err != noErr ) return false;
- else msg_Dbg( p_aout, STREAM_FORMAT_MSG( "current format is: ", DeviceFormat ) );
+ if (err != noErr)
+ return 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) */
- err = AudioUnitGetPropertyInfo( p_sys->au_unit,
+ err = AudioUnitGetPropertyInfo(p_sys->au_unit,
kAudioDevicePropertyPreferredChannelLayout,
kAudioUnitScope_Output,
0,
&i_param_size,
- NULL );
+ NULL);
- if( err == noErr )
- {
- layout = (AudioChannelLayout *)malloc( i_param_size);
+ if (err == noErr) {
+ layout = (AudioChannelLayout *)malloc(i_param_size);
- verify_noerr( AudioUnitGetProperty( p_sys->au_unit,
+ verify_noerr(AudioUnitGetProperty(p_sys->au_unit,
kAudioDevicePropertyPreferredChannelLayout,
kAudioUnitScope_Output,
0,
layout,
- &i_param_size ));
+ &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)
- {
+ if (layout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelBitmap) {
/* bitmap defined channellayout */
- verify_noerr( AudioFormatGetProperty( kAudioFormatProperty_ChannelLayoutForBitmap,
- sizeof( UInt32), &layout->mChannelBitmap,
+ verify_noerr(AudioFormatGetProperty(kAudioFormatProperty_ChannelLayoutForBitmap,
+ sizeof(UInt32), &layout->mChannelBitmap,
&i_param_size,
- layout ));
- }
- else if( layout->mChannelLayoutTag != kAudioChannelLayoutTag_UseChannelDescriptions )
+ layout));
+ } else if (layout->mChannelLayoutTag != kAudioChannelLayoutTag_UseChannelDescriptions)
{
/* layouttags defined channellayout */
- verify_noerr( AudioFormatGetProperty( kAudioFormatProperty_ChannelLayoutForTag,
- sizeof( AudioChannelLayoutTag ), &layout->mChannelLayoutTag,
+ verify_noerr(AudioFormatGetProperty(kAudioFormatProperty_ChannelLayoutForTag,
+ sizeof(AudioChannelLayoutTag), &layout->mChannelLayoutTag,
&i_param_size,
- layout ));
+ layout));
}
- msg_Dbg( p_aout, "layout of AUHAL has %d channels" , (int)layout->mNumberChannelDescriptions );
+ msg_Dbg(p_aout, "layout of AUHAL has %d channels" , (int)layout->mNumberChannelDescriptions);
/* Initialize the VLC core channel count */
- p_aout->format.i_physical_channels = 0;
- i_original = p_aout->format.i_original_channels & AOUT_CHAN_PHYSMASK;
+ fmt->i_physical_channels = 0;
+ i_original = fmt->i_original_channels & AOUT_CHAN_PHYSMASK;
- if( i_original == AOUT_CHAN_CENTER || layout->mNumberChannelDescriptions < 2 )
- {
+ if (i_original == AOUT_CHAN_CENTER || layout->mNumberChannelDescriptions < 2) {
/* We only need Mono or cannot output more than 1 channel */
- p_aout->format.i_physical_channels = AOUT_CHAN_CENTER;
- }
- else if( i_original == (AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT) || layout->mNumberChannelDescriptions < 3 )
- {
+ fmt->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->format.i_physical_channels = AOUT_CHAN_RIGHT | AOUT_CHAN_LEFT;
- }
- else
- {
+ fmt->i_physical_channels = AOUT_CHANS_STEREO;
+ } else {
/* We want more than stereo and we can do that */
- for( unsigned int i = 0; i < layout->mNumberChannelDescriptions; i++ )
- {
- msg_Dbg( p_aout, "this is channel: %d", (int)layout->mChannelDescriptions[i].mChannelLabel );
+ for (unsigned int i = 0; i < layout->mNumberChannelDescriptions; i++) {
+#ifndef NDEBUG
+ msg_Dbg(p_aout, "this is channel: %d", (int)layout->mChannelDescriptions[i].mChannelLabel);
+#endif
- switch( layout->mChannelDescriptions[i].mChannelLabel )
- {
+ switch(layout->mChannelDescriptions[i].mChannelLabel) {
case kAudioChannelLabel_Left:
- p_aout->format.i_physical_channels |= AOUT_CHAN_LEFT;
+ fmt->i_physical_channels |= AOUT_CHAN_LEFT;
continue;
case kAudioChannelLabel_Right:
- p_aout->format.i_physical_channels |= AOUT_CHAN_RIGHT;
+ fmt->i_physical_channels |= AOUT_CHAN_RIGHT;
continue;
case kAudioChannelLabel_Center:
- p_aout->format.i_physical_channels |= AOUT_CHAN_CENTER;
+ fmt->i_physical_channels |= AOUT_CHAN_CENTER;
continue;
case kAudioChannelLabel_LFEScreen:
- p_aout->format.i_physical_channels |= AOUT_CHAN_LFE;
+ fmt->i_physical_channels |= AOUT_CHAN_LFE;
continue;
case kAudioChannelLabel_LeftSurround:
- p_aout->format.i_physical_channels |= AOUT_CHAN_REARLEFT;
+ fmt->i_physical_channels |= AOUT_CHAN_REARLEFT;
continue;
case kAudioChannelLabel_RightSurround:
- p_aout->format.i_physical_channels |= AOUT_CHAN_REARRIGHT;
+ fmt->i_physical_channels |= AOUT_CHAN_REARRIGHT;
continue;
case kAudioChannelLabel_RearSurroundLeft:
- p_aout->format.i_physical_channels |= AOUT_CHAN_MIDDLELEFT;
+ fmt->i_physical_channels |= AOUT_CHAN_MIDDLELEFT;
continue;
case kAudioChannelLabel_RearSurroundRight:
- p_aout->format.i_physical_channels |= AOUT_CHAN_MIDDLERIGHT;
+ fmt->i_physical_channels |= AOUT_CHAN_MIDDLERIGHT;
continue;
case kAudioChannelLabel_CenterSurround:
- p_aout->format.i_physical_channels |= AOUT_CHAN_REARCENTER;
+ fmt->i_physical_channels |= AOUT_CHAN_REARCENTER;
continue;
default:
- msg_Warn( p_aout, "unrecognized channel form provided by driver: %d", (int)layout->mChannelDescriptions[i].mChannelLabel );
+ msg_Warn(p_aout, "unrecognized channel form provided by driver: %d", (int)layout->mChannelDescriptions[i].mChannelLabel);
}
}
- if( p_aout->format.i_physical_channels == 0 )
- {
- p_aout->format.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." );
- dialog_Fatal( p_aout, _("Audio device is not configured"), "%s",
+ if (fmt->i_physical_channels == 0) {
+ fmt->i_physical_channels = AOUT_CHANS_STEREO;
+ msg_Err(p_aout, "You should configure your speaker layout with Audio Midi Setup Utility in /Applications/Utilities. Now using Stereo mode.");
+ dialog_Fatal(p_aout, _("Audio device is not configured"), "%s",
_("You should configure your speaker layout with "
"the \"Audio Midi Setup\" utility in /Applications/"
- "Utilities. Stereo mode is being used now.") );
+ "Utilities. Stereo mode is being used now."));
}
}
- free( layout );
- }
- else
- {
- msg_Warn( p_aout, "this driver does not support kAudioDevicePropertyPreferredChannelLayout. BAD DRIVER AUTHOR !!!" );
- p_aout->format.i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
+ free(layout);
+ } else {
+ msg_Warn(p_aout, "this driver does not support kAudioDevicePropertyPreferredChannelLayout. BAD DRIVER AUTHOR !!!");
+ fmt->i_physical_channels = AOUT_CHANS_STEREO;
}
- msg_Dbg( p_aout, "selected %d physical channels for device output", aout_FormatNbChannels( &p_aout->format ) );
- msg_Dbg( p_aout, "VLC will output: %s", aout_FormatPrintChannels( &p_aout->format ));
+ msg_Dbg(p_aout, "selected %d physical channels for device output", aout_FormatNbChannels(fmt));
+ msg_Dbg(p_aout, "VLC will output: %s", aout_FormatPrintChannels(fmt));
memset (&new_layout, 0, sizeof(new_layout));
- switch( aout_FormatNbChannels( &p_aout->format ) )
- {
+ uint32_t chans_out[AOUT_CHAN_MAX];
+
+ switch(aout_FormatNbChannels(fmt)) {
case 1:
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_Mono;
break;
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_Stereo;
break;
case 3:
- if( p_aout->format.i_physical_channels & AOUT_CHAN_CENTER )
- {
+ if (fmt->i_physical_channels & AOUT_CHAN_CENTER)
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_7; // L R C
- }
- else if( p_aout->format.i_physical_channels & AOUT_CHAN_LFE )
- {
+ else if (fmt->i_physical_channels & AOUT_CHAN_LFE)
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_4; // L R LFE
- }
break;
case 4:
- if( p_aout->format.i_physical_channels & ( AOUT_CHAN_CENTER | AOUT_CHAN_LFE ) )
- {
+ if (fmt->i_physical_channels & (AOUT_CHAN_CENTER | AOUT_CHAN_LFE))
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_10; // L R C LFE
- }
- else if( p_aout->format.i_physical_channels & ( AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT ) )
- {
+ else if (fmt->i_physical_channels & (AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT))
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_3; // L R Ls Rs
- }
- else if( p_aout->format.i_physical_channels & ( AOUT_CHAN_CENTER | AOUT_CHAN_REARCENTER ) )
- {
+ else if (fmt->i_physical_channels & (AOUT_CHAN_CENTER | AOUT_CHAN_REARCENTER))
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_3; // L R C Cs
- }
break;
case 5:
- if( p_aout->format.i_physical_channels & ( AOUT_CHAN_CENTER ) )
- {
+ if (fmt->i_physical_channels & (AOUT_CHAN_CENTER))
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_19; // L R Ls Rs C
- }
- else if( p_aout->format.i_physical_channels & ( AOUT_CHAN_LFE ) )
- {
+ else if (fmt->i_physical_channels & (AOUT_CHAN_LFE))
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_18; // L R Ls Rs LFE
- }
break;
case 6:
- if( p_aout->format.i_physical_channels & ( AOUT_CHAN_LFE ) )
- {
+ if (fmt->i_physical_channels & (AOUT_CHAN_LFE))
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_20; // L R Ls Rs C LFE
- }
else
- {
new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_AudioUnit_6_0; // L R Ls Rs C Cs
- }
break;
case 7:
- /* FIXME: This is incorrect. VLC uses the internal ordering: L R Lm Rm Lr Rr C LFE but this is wrong */
- new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_MPEG_6_1_A; // L R C LFE Ls Rs Cs
+ new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_MPEG_6_1_A;
+
+ chans_out[0] = AOUT_CHAN_LEFT;
+ chans_out[1] = AOUT_CHAN_RIGHT;
+ chans_out[2] = AOUT_CHAN_CENTER;
+ chans_out[3] = AOUT_CHAN_LFE;
+ chans_out[4] = AOUT_CHAN_REARLEFT;
+ chans_out[5] = AOUT_CHAN_REARRIGHT;
+ chans_out[6] = AOUT_CHAN_REARCENTER;
+
+ p_aout->sys->chans_to_reorder = aout_CheckChannelReorder( NULL, chans_out, fmt->i_physical_channels, p_aout->sys->chan_table );
+ if (p_aout->sys->chans_to_reorder)
+ msg_Dbg( p_aout, "channel reordering needed" );
+
break;
case 8:
- /* FIXME: This is incorrect. VLC uses the internal ordering: L R Lm Rm Lr Rr C LFE but this is wrong */
- new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_MPEG_7_1_A; // L R C LFE Ls Rs Lc Rc
+ new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_MPEG_7_1_A;
+
+ chans_out[0] = AOUT_CHAN_LEFT;
+ chans_out[1] = AOUT_CHAN_RIGHT;
+ chans_out[2] = AOUT_CHAN_CENTER;
+ chans_out[3] = AOUT_CHAN_LFE;
+ chans_out[4] = AOUT_CHAN_MIDDLELEFT;
+ chans_out[5] = AOUT_CHAN_MIDDLERIGHT;
+ chans_out[6] = AOUT_CHAN_REARLEFT;
+ chans_out[7] = AOUT_CHAN_REARRIGHT;
+
+ p_aout->sys->chans_to_reorder = aout_CheckChannelReorder( NULL, chans_out, fmt->i_physical_channels, p_aout->sys->chan_table );
+ if (p_aout->sys->chans_to_reorder)
+ msg_Dbg( p_aout, "channel reordering needed" );
+
break;
}
/* Set up the format to be used */
- DeviceFormat.mSampleRate = p_aout->format.i_rate;
+ DeviceFormat.mSampleRate = fmt->i_rate;
DeviceFormat.mFormatID = kAudioFormatLinearPCM;
/* We use float 32. It's the best supported format by both VLC and Coreaudio */
- p_aout->format.i_format = VLC_CODEC_FL32;
+ fmt->i_format = VLC_CODEC_FL32;
DeviceFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked;
DeviceFormat.mBitsPerChannel = 32;
- DeviceFormat.mChannelsPerFrame = aout_FormatNbChannels( &p_aout->format );
+ DeviceFormat.mChannelsPerFrame = aout_FormatNbChannels(fmt);
/* Calculate framesizes and stuff */
DeviceFormat.mFramesPerPacket = 1;
/* Set the desired format */
i_param_size = sizeof(AudioStreamBasicDescription);
- verify_noerr( AudioUnitSetProperty( p_sys->au_unit,
+ verify_noerr(AudioUnitSetProperty(p_sys->au_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input,
0,
&DeviceFormat,
- i_param_size ));
+ i_param_size));
- msg_Dbg( p_aout, STREAM_FORMAT_MSG( "we set the AU format: " , DeviceFormat ) );
+ msg_Dbg(p_aout, STREAM_FORMAT_MSG("we set the AU format: " , DeviceFormat));
/* Retrieve actual format */
- verify_noerr( AudioUnitGetProperty( p_sys->au_unit,
+ verify_noerr(AudioUnitGetProperty(p_sys->au_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input,
0,
&DeviceFormat,
- &i_param_size ));
+ &i_param_size));
- msg_Dbg( p_aout, STREAM_FORMAT_MSG( "the actual set AU format is " , DeviceFormat ) );
+ msg_Dbg(p_aout, STREAM_FORMAT_MSG("the actual set AU format is " , DeviceFormat));
/* Do the last VLC aout setups */
- aout_FormatPrepare( &p_aout->format );
- aout_PacketInit( p_aout, &p_sys->packet, FRAMESIZE );
- aout_VolumeSoftInit( p_aout );
+ aout_FormatPrepare(fmt);
+ aout_PacketInit(p_aout, &p_sys->packet, FRAMESIZE, fmt);
/* set the IOproc callback */
input.inputProc = (AURenderCallback) RenderCallbackAnalog;
input.inputProcRefCon = p_aout;
- verify_noerr( AudioUnitSetProperty( p_sys->au_unit,
+ verify_noerr(AudioUnitSetProperty(p_sys->au_unit,
kAudioUnitProperty_SetRenderCallback,
kAudioUnitScope_Input,
- 0, &input, sizeof( input ) ) );
-
- input.inputProc = (AURenderCallback) RenderCallbackAnalog;
- input.inputProcRefCon = p_aout;
+ 0, &input, sizeof(input)));
/* Set the new_layout as the layout VLC will use to feed the AU unit */
- verify_noerr( AudioUnitSetProperty( p_sys->au_unit,
+ verify_noerr(AudioUnitSetProperty(p_sys->au_unit,
kAudioUnitProperty_AudioChannelLayout,
- kAudioUnitScope_Input,
- 0, &new_layout, sizeof(new_layout) ) );
+ kAudioUnitScope_Output,
+ 0, &new_layout, sizeof(new_layout)));
- if( new_layout.mNumberChannelDescriptions > 0 )
- free( new_layout.mChannelDescriptions );
+ if (new_layout.mNumberChannelDescriptions > 0)
+ free(new_layout.mChannelDescriptions);
/* AU initiliaze */
- verify_noerr( AudioUnitInitialize(p_sys->au_unit) );
+ verify_noerr(AudioUnitInitialize(p_sys->au_unit));
/* Find the difference between device clock and mdate clock */
p_sys->clock_diff = - (mtime_t)
- AudioConvertHostTimeToNanos( AudioGetCurrentHostTime() ) / 1000;
+ AudioConvertHostTimeToNanos(AudioGetCurrentHostTime()) / 1000;
p_sys->clock_diff += mdate();
/* Start the AU */
- verify_noerr( AudioOutputUnitStart(p_sys->au_unit) );
+ verify_noerr(AudioOutputUnitStart(p_sys->au_unit));
+
+ /* Set volume for output unit */
+ float volume = var_InheritInteger(p_aout, "auhal-volume") / (float)AOUT_VOLUME_DEFAULT;
+ verify_noerr(AudioUnitSetParameter(p_sys->au_unit,
+ kHALOutputParam_Volume,
+ kAudioUnitScope_Global,
+ 0,
+ volume * volume * volume,
+ 0));
return true;
}
/*****************************************************************************
* Setup a encoded digital stream (SPDIF)
*****************************************************************************/
-static int OpenSPDIF( audio_output_t * p_aout )
+static int OpenSPDIF (audio_output_t * p_aout, audio_sample_format_t *fmt)
{
struct aout_sys_t *p_sys = p_aout->sys;
OSStatus err = noErr;
UInt32 i_param_size = 0, b_mix = 0;
Boolean b_writeable = false;
AudioStreamID *p_streams = NULL;
+ unsigned i_streams = 0;
/* Start doing the SPDIF setup proces */
p_sys->b_digital = true;
/* Hog the device */
AudioObjectPropertyAddress audioDeviceHogModeAddress = { kAudioDevicePropertyHogMode, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
- i_param_size = sizeof( p_sys->i_hog_pid );
+ i_param_size = sizeof(p_sys->i_hog_pid);
p_sys->i_hog_pid = getpid() ;
- err = AudioObjectSetPropertyData( p_sys->i_selected_dev, &audioDeviceHogModeAddress, 0, NULL, i_param_size, &p_sys->i_hog_pid );
+ err = AudioObjectSetPropertyData(p_sys->i_selected_dev, &audioDeviceHogModeAddress, 0, NULL, i_param_size, &p_sys->i_hog_pid);
- if( err != noErr )
- {
- msg_Err( p_aout, "failed to set hogmode: [%4.4s]", (char *)&err );
+ if (err != noErr) {
+ msg_Err(p_aout, "failed to set hogmode: [%4.4s]", (char *)&err);
return false;
}
- /* Set mixable to false if we are allowed to */
- AudioObjectPropertyAddress audioDeviceSupportsMixingAddress = { kAudioDevicePropertySupportsMixing , kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
- err = AudioObjectIsPropertySettable( p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, &b_writeable );
- err = AudioObjectGetPropertyDataSize( p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, 0, NULL, &i_param_size );
- err = AudioObjectGetPropertyData( p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, 0, NULL, &i_param_size, &b_mix );
-
- if( !err && b_writeable )
- {
- b_mix = 0;
- err = AudioObjectSetPropertyData( p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, 0, NULL, i_param_size, &b_mix );
- p_sys->b_changed_mixing = true;
- }
+ AudioObjectPropertyAddress audioDeviceSupportsMixingAddress = { kAudioDevicePropertySupportsMixing , kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
- if( err != noErr )
- {
- msg_Err( p_aout, "failed to set mixmode: [%4.4s]", (char *)&err );
- return false;
+ if (AudioObjectHasProperty(p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress)) {
+ /* Set mixable to false if we are allowed to */
+ err = AudioObjectIsPropertySettable(p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, &b_writeable);
+ err = AudioObjectGetPropertyDataSize(p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, 0, NULL, &i_param_size);
+ err = AudioObjectGetPropertyData(p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, 0, NULL, &i_param_size, &b_mix);
+
+ if (err == noErr && b_writeable) {
+ b_mix = 0;
+ err = AudioObjectSetPropertyData(p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, 0, NULL, i_param_size, &b_mix);
+ p_sys->b_changed_mixing = true;
+ }
+
+ if (err != noErr) {
+ msg_Err(p_aout, "failed to set mixmode: [%4.4s]", (char *)&err);
+ return false;
+ }
}
/* Get a list of all the streams on this device */
AudioObjectPropertyAddress streamsAddress = { kAudioDevicePropertyStreams, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
- err = AudioObjectGetPropertyDataSize( p_sys->i_selected_dev, &streamsAddress, 0, NULL, &i_param_size );
- if( err != noErr )
- {
- msg_Err( p_aout, "could not get number of streams: [%4.4s]", (char *)&err );
+ err = AudioObjectGetPropertyDataSize(p_sys->i_selected_dev, &streamsAddress, 0, NULL, &i_param_size);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not get number of streams: [%4.4s]", (char *)&err);
return false;
}
- p_streams = (AudioStreamID *)malloc( i_param_size );
- if( p_streams == NULL )
+ i_streams = i_param_size / sizeof(AudioStreamID);
+ p_streams = (AudioStreamID *)malloc(i_param_size);
+ if (p_streams == NULL)
return false;
- err = AudioObjectGetPropertyData( p_sys->i_selected_dev, &streamsAddress, 0, NULL, &i_param_size, p_streams );
+ err = AudioObjectGetPropertyData(p_sys->i_selected_dev, &streamsAddress, 0, NULL, &i_param_size, p_streams);
- if( err != noErr )
- {
- msg_Err( p_aout, "could not get number of streams: [%4.4s]", (char *)&err );
- free( p_streams );
+ if (err != noErr) {
+ msg_Err(p_aout, "could not get number of streams: [%4.4s]", (char *)&err);
+ free(p_streams);
return false;
}
AudioObjectPropertyAddress physicalFormatsAddress = { kAudioStreamPropertyAvailablePhysicalFormats, kAudioObjectPropertyScopeGlobal, 0 };
- for( unsigned i = 0; i < i_param_size / sizeof( AudioStreamID ) && p_sys->i_stream_index < 0 ; i++ )
- {
+ for (unsigned i = 0; i < i_streams && p_sys->i_stream_index < 0 ; i++) {
/* Find a stream with a cac3 stream */
AudioStreamRangedDescription *p_format_list = NULL;
int i_formats = 0;
bool b_digital = false;
/* Retrieve all the stream formats supported by each output stream */
- err = AudioObjectGetPropertyDataSize( p_streams[i], &physicalFormatsAddress, 0, NULL, &i_param_size );
- if( err != noErr )
- {
- msg_Err( p_aout, "OpenSPDIF: could not get number of streamformats: [%s] (%i)", (char *)&err, (int32_t)err );
+ err = AudioObjectGetPropertyDataSize(p_streams[i], &physicalFormatsAddress, 0, NULL, &i_param_size);
+ if (err != noErr) {
+ msg_Err(p_aout, "OpenSPDIF: could not get number of streamformats: [%s] (%i)", (char *)&err, (int32_t)err);
continue;
}
- i_formats = i_param_size / sizeof( AudioStreamRangedDescription );
- p_format_list = (AudioStreamRangedDescription *)malloc( i_param_size );
- if( p_format_list == NULL )
+ i_formats = i_param_size / sizeof(AudioStreamRangedDescription);
+ p_format_list = (AudioStreamRangedDescription *)malloc(i_param_size);
+ if (p_format_list == NULL)
continue;
- err = AudioObjectGetPropertyData( p_streams[i], &physicalFormatsAddress, 0, NULL, &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 );
+ err = AudioObjectGetPropertyData(p_streams[i], &physicalFormatsAddress, 0, NULL, &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);
continue;
}
/* Check if one of the supported formats is a digital format */
- for( int j = 0; j < i_formats; j++ )
- {
- if( p_format_list[j].mFormat.mFormatID == 'IAC3' ||
- p_format_list[j].mFormat.mFormatID == kAudioFormat60958AC3 )
- {
+ for (int j = 0; j < i_formats; j++) {
+ if (p_format_list[j].mFormat.mFormatID == 'IAC3' ||
+ p_format_list[j].mFormat.mFormatID == 'iac3' ||
+ p_format_list[j].mFormat.mFormatID == kAudioFormat60958AC3 ||
+ p_format_list[j].mFormat.mFormatID == kAudioFormatAC3) {
b_digital = true;
break;
}
}
- if( b_digital )
- {
+ if (b_digital) {
/* if this stream supports a digital (cac3) format, then go set it. */
int i_requested_rate_format = -1;
int i_current_rate_format = -1;
p_sys->i_stream_id = p_streams[i];
p_sys->i_stream_index = i;
- if( !p_sys->b_revert )
- {
+ if (!p_sys->b_revert) {
+ AudioObjectPropertyAddress currentPhysicalFormatAddress = { kAudioStreamPropertyPhysicalFormat, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
/* Retrieve the original format of this stream first if not done so already */
- i_param_size = sizeof( p_sys->sfmt_revert );
- err = AudioObjectGetPropertyData( p_sys->i_stream_id, &physicalFormatsAddress, 0, NULL, &i_param_size, &p_sys->sfmt_revert );
- if( err != noErr )
- {
- msg_Err( p_aout, "could not retrieve the original streamformat: [%4.4s]", (char *)&err );
+ i_param_size = sizeof(p_sys->sfmt_revert);
+ err = AudioObjectGetPropertyData(p_sys->i_stream_id, ¤tPhysicalFormatAddress, 0, NULL, &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 = true;
}
- for( int j = 0; j < i_formats; j++ )
- {
- if( p_format_list[j].mFormat.mFormatID == 'IAC3' ||
- p_format_list[j].mFormat.mFormatID == kAudioFormat60958AC3 )
- {
- if( p_format_list[j].mFormat.mSampleRate == p_aout->format.i_rate )
- {
+ for (int j = 0; j < i_formats; j++) {
+ if (p_format_list[j].mFormat.mFormatID == 'IAC3' ||
+ p_format_list[j].mFormat.mFormatID == 'iac3' ||
+ p_format_list[j].mFormat.mFormatID == kAudioFormat60958AC3 ||
+ p_format_list[j].mFormat.mFormatID == kAudioFormatAC3) {
+ if (p_format_list[j].mFormat.mSampleRate == fmt->i_rate) {
i_requested_rate_format = j;
break;
- }
- else if( p_format_list[j].mFormat.mSampleRate == p_sys->sfmt_revert.mSampleRate )
- {
+ } else if (p_format_list[j].mFormat.mSampleRate == p_sys->sfmt_revert.mSampleRate)
i_current_rate_format = j;
- }
- else
- {
- if( i_backup_rate_format < 0 || p_format_list[j].mFormat.mSampleRate > p_format_list[i_backup_rate_format].mFormat.mSampleRate )
+ else {
+ if (i_backup_rate_format < 0 || p_format_list[j].mFormat.mSampleRate > p_format_list[i_backup_rate_format].mFormat.mSampleRate)
i_backup_rate_format = j;
}
}
}
- if( i_requested_rate_format >= 0 ) /* We prefer to output at the samplerate of the original audio */
+ if (i_requested_rate_format >= 0) /* We prefer to output at the samplerate of the original audio */
p_sys->stream_format = p_format_list[i_requested_rate_format].mFormat;
- else if( i_current_rate_format >= 0 ) /* If not possible, we will try to use the current samplerate of the device */
+ else if (i_current_rate_format >= 0) /* If not possible, we will try to use the current samplerate of the device */
p_sys->stream_format = p_format_list[i_current_rate_format].mFormat;
- else p_sys->stream_format = p_format_list[i_backup_rate_format].mFormat; /* And if we have to, any digital format will be just fine (highest rate possible) */
+ else
+ p_sys->stream_format = p_format_list[i_backup_rate_format].mFormat; /* And if we have to, any digital format will be just fine (highest rate possible) */
}
- free( p_format_list );
+ free(p_format_list);
}
- free( p_streams );
+ free(p_streams);
- msg_Dbg( p_aout, STREAM_FORMAT_MSG( "original stream format: ", p_sys->sfmt_revert ) );
+ /* get notified when we don't have spdif-output anymore */
+ err = AudioObjectAddPropertyListener(p_sys->i_stream_id, &physicalFormatsAddress, HardwareListener, (void *)p_aout);
+ if (err != noErr) {
+ msg_Warn(p_aout, "could not set audio device property streams callback on device: %4.4s",
+ (char *)&err);
+ }
- if( !AudioStreamChangeFormat( p_aout, p_sys->i_stream_id, p_sys->stream_format ) )
+ msg_Dbg(p_aout, STREAM_FORMAT_MSG("original stream format: ", p_sys->sfmt_revert));
+
+ if (!AudioStreamChangeFormat(p_aout, p_sys->i_stream_id, p_sys->stream_format))
return false;
/* Set the format flags */
- if( p_sys->stream_format.mFormatFlags & kAudioFormatFlagIsBigEndian )
- p_aout->format.i_format = VLC_CODEC_SPDIFB;
+ if (p_sys->stream_format.mFormatFlags & kAudioFormatFlagIsBigEndian)
+ fmt->i_format = VLC_CODEC_SPDIFB;
else
- p_aout->format.i_format = VLC_CODEC_SPDIFL;
- p_aout->format.i_bytes_per_frame = AOUT_SPDIF_SIZE;
- p_aout->format.i_frame_length = A52_FRAME_NB;
- p_aout->format.i_rate = (unsigned int)p_sys->stream_format.mSampleRate;
- aout_FormatPrepare( &p_aout->format );
- aout_PacketInit( p_aout, &p_sys->packet, A52_FRAME_NB );
- aout_VolumeNoneInit( p_aout );
+ fmt->i_format = VLC_CODEC_SPDIFL;
+ fmt->i_bytes_per_frame = AOUT_SPDIF_SIZE;
+ fmt->i_frame_length = A52_FRAME_NB;
+ fmt->i_rate = (unsigned int)p_sys->stream_format.mSampleRate;
+ aout_FormatPrepare(fmt);
+ aout_PacketInit(p_aout, &p_sys->packet, A52_FRAME_NB, fmt);
/* Add IOProc callback */
- err = AudioDeviceCreateIOProcID( p_sys->i_selected_dev,
+ err = AudioDeviceCreateIOProcID(p_sys->i_selected_dev,
(AudioDeviceIOProc)RenderCallbackSPDIF,
(void *)p_aout,
- &p_sys->i_procID );
- if( err != noErr )
- {
- msg_Err( p_aout, "AudioDeviceCreateIOProcID failed: [%4.4s]", (char *)&err );
+ &p_sys->i_procID);
+ if (err != noErr) {
+ msg_Err(p_aout, "AudioDeviceCreateIOProcID failed: [%4.4s]", (char *)&err);
aout_PacketDestroy (p_aout);
return false;
}
/* Check for the difference between the Device clock and mdate */
p_sys->clock_diff = - (mtime_t)
- AudioConvertHostTimeToNanos( AudioGetCurrentHostTime() ) / 1000;
+ AudioConvertHostTimeToNanos(AudioGetCurrentHostTime()) / 1000;
p_sys->clock_diff += mdate();
/* Start device */
- err = AudioDeviceStart( p_sys->i_selected_dev, p_sys->i_procID );
- if( err != noErr )
- {
- msg_Err( p_aout, "AudioDeviceStart failed: [%4.4s]", (char *)&err );
-
- err = AudioDeviceDestroyIOProcID( p_sys->i_selected_dev,
- p_sys->i_procID );
- if( err != noErr )
- {
- msg_Err( p_aout, "AudioDeviceDestroyIOProcID failed: [%4.4s]", (char *)&err );
- }
+ err = AudioDeviceStart(p_sys->i_selected_dev, p_sys->i_procID);
+ if (err != noErr) {
+ msg_Err(p_aout, "AudioDeviceStart failed: [%4.4s]", (char *)&err);
+
+ err = AudioDeviceDestroyIOProcID(p_sys->i_selected_dev, p_sys->i_procID);
+ if (err != noErr)
+ msg_Err(p_aout, "AudioDeviceDestroyIOProcID failed: [%4.4s]", (char *)&err);
+
aout_PacketDestroy (p_aout);
return false;
}
/*****************************************************************************
* Close: Close HAL AudioUnit
*****************************************************************************/
-static void Close( vlc_object_t * p_this )
+static void Stop(audio_output_t *p_aout)
{
- audio_output_t *p_aout = (audio_output_t *)p_this;
struct aout_sys_t *p_sys = p_aout->sys;
OSStatus err = noErr;
UInt32 i_param_size = 0;
- if( p_sys->au_unit )
- {
- verify_noerr( AudioOutputUnitStop( p_sys->au_unit ) );
- verify_noerr( AudioUnitUninitialize( p_sys->au_unit ) );
- verify_noerr( CloseComponent( p_sys->au_unit ) );
+ AudioObjectPropertyAddress deviceAliveAddress = { kAudioDevicePropertyDeviceIsAlive, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
+ err = AudioObjectRemovePropertyListener(p_sys->i_selected_dev, &deviceAliveAddress, HardwareListener, NULL);
+ if (err != noErr)
+ msg_Err(p_aout, "failed to remove audio device life checker: [%4.4s]", (char *)&err);
+
+ if (p_sys->b_digital) {
+ AudioObjectPropertyAddress physicalFormatsAddress = { kAudioStreamPropertyAvailablePhysicalFormats, kAudioObjectPropertyScopeGlobal, 0 };
+ err = AudioObjectRemovePropertyListener(p_sys->i_stream_id, &physicalFormatsAddress, HardwareListener, NULL);
+ if (err != noErr)
+ msg_Err(p_aout, "failed to remove audio device property streams callback: [%4.4s]", (char *)&err);
+ }
+
+ if (p_sys->au_unit) {
+ verify_noerr(AudioOutputUnitStop(p_sys->au_unit));
+ verify_noerr(AudioUnitUninitialize(p_sys->au_unit));
+ verify_noerr(CloseComponent(p_sys->au_unit));
}
- if( p_sys->b_digital )
- {
+ if (p_sys->b_digital) {
/* Stop device */
- err = AudioDeviceStop( p_sys->i_selected_dev,
- p_sys->i_procID );
- if( err != noErr )
- {
- msg_Err( p_aout, "AudioDeviceStop failed: [%4.4s]", (char *)&err );
- }
+ err = AudioDeviceStop(p_sys->i_selected_dev,
+ p_sys->i_procID);
+ if (err != noErr)
+ msg_Err(p_aout, "AudioDeviceStop failed: [%4.4s]", (char *)&err);
/* Remove IOProc callback */
- err = AudioDeviceDestroyIOProcID( p_sys->i_selected_dev,
- p_sys->i_procID );
- if( err != noErr )
- {
- msg_Err( p_aout, "AudioDeviceDestroyIOProcID failed: [%4.4s]", (char *)&err );
- }
+ err = AudioDeviceDestroyIOProcID(p_sys->i_selected_dev,
+ p_sys->i_procID);
+ if (err != noErr)
+ msg_Err(p_aout, "AudioDeviceDestroyIOProcID failed: [%4.4s]", (char *)&err);
- if( p_sys->b_revert )
- {
- AudioStreamChangeFormat( p_aout, p_sys->i_stream_id, p_sys->sfmt_revert );
- }
+ if (p_sys->b_revert)
+ AudioStreamChangeFormat(p_aout, p_sys->i_stream_id, p_sys->sfmt_revert);
- if( p_sys->b_changed_mixing && p_sys->sfmt_revert.mFormatID != kAudioFormat60958AC3 )
- {
+ if (p_sys->b_changed_mixing && p_sys->sfmt_revert.mFormatID != kAudioFormat60958AC3) {
int b_mix;
- Boolean b_writeable;
+ Boolean b_writeable = false;
/* Revert mixable to true if we are allowed to */
AudioObjectPropertyAddress audioDeviceSupportsMixingAddress = { kAudioDevicePropertySupportsMixing , kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
- err = AudioObjectIsPropertySettable( p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, &b_writeable );
- err = AudioObjectGetPropertyData( p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, 0, NULL, &i_param_size, &b_mix );
+ err = AudioObjectIsPropertySettable(p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, &b_writeable);
+ err = AudioObjectGetPropertyData(p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, 0, NULL, &i_param_size, &b_mix);
- if( !err && b_writeable )
- {
- msg_Dbg( p_aout, "mixable is: %d", b_mix );
+ if (err == noErr && b_writeable) {
+ msg_Dbg(p_aout, "mixable is: %d", b_mix);
b_mix = 1;
- err = AudioObjectSetPropertyData( p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, 0, NULL, i_param_size, &b_mix );
+ err = AudioObjectSetPropertyData(p_sys->i_selected_dev, &audioDeviceSupportsMixingAddress, 0, NULL, i_param_size, &b_mix);
}
- if( err != noErr )
- {
- msg_Err( p_aout, "failed to set mixmode: [%4.4s]", (char *)&err );
- }
+ if (err != noErr)
+ msg_Err(p_aout, "failed to set mixmode: [%4.4s]", (char *)&err);
}
}
- AudioObjectPropertyAddress audioDevicesAddress = { kAudioHardwarePropertyDevices, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
- err = AudioObjectRemovePropertyListener( kAudioObjectSystemObject, &audioDevicesAddress, HardwareListener, NULL );
+ AudioObjectPropertyAddress audioDevicesAddress = { kAudioHardwarePropertyDevices, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
+ err = AudioObjectRemovePropertyListener(kAudioObjectSystemObject, &audioDevicesAddress, HardwareListener, NULL);
- if( err != noErr )
- {
- msg_Err( p_aout, "AudioHardwareRemovePropertyListener failed: [%4.4s]", (char *)&err );
- }
+ if (err != noErr)
+ msg_Err(p_aout, "AudioHardwareRemovePropertyListener failed: [%4.4s]", (char *)&err);
- if( p_sys->i_hog_pid == getpid() )
- {
+ if (p_sys->i_hog_pid == getpid()) {
p_sys->i_hog_pid = -1;
- i_param_size = sizeof( p_sys->i_hog_pid );
+ i_param_size = sizeof(p_sys->i_hog_pid);
AudioObjectPropertyAddress audioDeviceHogModeAddress = { kAudioDevicePropertyHogMode,
kAudioDevicePropertyScopeOutput,
kAudioObjectPropertyElementMaster };
- err = AudioObjectSetPropertyData( p_sys->i_selected_dev, &audioDeviceHogModeAddress, 0, NULL, i_param_size, &p_sys->i_hog_pid );
- if( err != noErr ) msg_Err( p_aout, "Could not release hogmode: [%4.4s]", (char *)&err );
+ err = AudioObjectSetPropertyData(p_sys->i_selected_dev, &audioDeviceHogModeAddress, 0, NULL, i_param_size, &p_sys->i_hog_pid);
+ if (err != noErr)
+ msg_Err(p_aout, "Could not release hogmode: [%4.4s]", (char *)&err);
}
- aout_PacketDestroy( p_aout );
- free( p_sys );
+ var_DelCallback(p_aout, "audio-device", AudioDeviceCallback, NULL);
+
+ aout_PacketDestroy(p_aout);
}
/*****************************************************************************
* Probe: Check which devices the OS has, and add them to our audio-device menu
*****************************************************************************/
-static void Probe( audio_output_t * p_aout )
+static void Probe(audio_output_t * p_aout)
{
OSStatus err = noErr;
UInt32 i_param_size = 0;
struct aout_sys_t *p_sys = p_aout->sys;
/* Get number of devices */
- AudioObjectPropertyAddress audioDevicesAddress = { kAudioHardwarePropertyDevices, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
+ AudioObjectPropertyAddress audioDevicesAddress = { kAudioHardwarePropertyDevices, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
err = AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &audioDevicesAddress, 0, NULL, &i_param_size);
- if( err != noErr )
- {
- msg_Err( p_aout, "Could not get number of devices: [%s]", (char *)&err );
+ if (err != noErr) {
+ msg_Err(p_aout, "Could not get number of devices: [%s]", (char *)&err);
goto error;
}
- p_sys->i_devices = i_param_size / sizeof( AudioDeviceID );
+ p_sys->i_devices = i_param_size / sizeof(AudioDeviceID);
- if( p_sys->i_devices < 1 )
- {
- msg_Err( p_aout, "No audio output devices were found." );
+ if (p_sys->i_devices < 1) {
+ msg_Err(p_aout, "No audio output devices were found.");
goto error;
}
- msg_Dbg( p_aout, "found %u audio device(s)", (unsigned)p_sys->i_devices );
+ msg_Dbg(p_aout, "found %u audio device(s)", (unsigned)p_sys->i_devices);
/* Allocate DeviceID array */
- p_devices = (AudioDeviceID*)malloc( sizeof(AudioDeviceID) * p_sys->i_devices );
- if( p_devices == NULL )
+ p_devices = (AudioDeviceID*)malloc(sizeof(AudioDeviceID) * p_sys->i_devices);
+ if (p_devices == NULL)
goto error;
/* Populate DeviceID array */
- err = AudioObjectGetPropertyData( kAudioObjectSystemObject, &audioDevicesAddress, 0, NULL, &i_param_size, p_devices );
- if( err != noErr )
- {
- msg_Err( p_aout, "could not get the device IDs: [%s]", (char *)&err );
+ err = AudioObjectGetPropertyData(kAudioObjectSystemObject, &audioDevicesAddress, 0, NULL, &i_param_size, p_devices);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not get the device IDs: [%s]", (char *)&err);
goto error;
}
/* Find the ID of the default Device */
AudioObjectPropertyAddress defaultDeviceAddress = { kAudioHardwarePropertyDefaultOutputDevice, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
- i_param_size = sizeof( AudioDeviceID );
- err= AudioObjectGetPropertyData( kAudioObjectSystemObject, &defaultDeviceAddress, 0, NULL, &i_param_size, &devid_def );
- if( err != noErr )
- {
- msg_Err( p_aout, "could not get default audio device: [%s]", (char *)&err );
+ i_param_size = sizeof(AudioDeviceID);
+ err= AudioObjectGetPropertyData(kAudioObjectSystemObject, &defaultDeviceAddress, 0, NULL, &i_param_size, &devid_def);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not get default audio device: [%s]", (char *)&err);
goto error;
}
p_sys->i_default_dev = devid_def;
- var_Create( p_aout, "audio-device", VLC_VAR_INTEGER|VLC_VAR_HASCHOICE );
+ var_Create(p_aout, "audio-device", VLC_VAR_INTEGER|VLC_VAR_HASCHOICE);
text.psz_string = (char*)_("Audio Device");
- var_Change( p_aout, "audio-device", VLC_VAR_SETTEXT, &text, NULL );
+ var_Change(p_aout, "audio-device", VLC_VAR_SETTEXT, &text, NULL);
AudioObjectPropertyAddress deviceNameAddress = { kAudioDevicePropertyDeviceName, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
- for( unsigned int i = 0; i < p_sys->i_devices; i++ )
- {
+ for (unsigned int i = 0; i < p_sys->i_devices; i++) {
char *psz_name;
i_param_size = 0;
/* Retrieve the length of the device name */
- err = AudioObjectGetPropertyDataSize( p_devices[i], &deviceNameAddress, 0, NULL, &i_param_size );
- if( err ) goto error;
+ err = AudioObjectGetPropertyDataSize(p_devices[i], &deviceNameAddress, 0, NULL, &i_param_size);
+ if (err != noErr)
+ goto error;
/* Retrieve the name of the device */
- psz_name = (char *)malloc( i_param_size );
- err = AudioObjectGetPropertyData( p_devices[i], &deviceNameAddress, 0, NULL, &i_param_size, psz_name );
- if( err ) goto error;
+ psz_name = (char *)malloc(i_param_size);
+ err = AudioObjectGetPropertyData(p_devices[i], &deviceNameAddress, 0, NULL, &i_param_size, psz_name);
+ if (err != noErr)
+ goto error;
- msg_Dbg( p_aout, "DevID: %u DevName: %s", (unsigned)p_devices[i], psz_name );
+ msg_Dbg(p_aout, "DevID: %u DevName: %s", (unsigned)p_devices[i], psz_name);
- if( !AudioDeviceHasOutput( p_devices[i]) )
- {
- msg_Dbg( p_aout, "this device is INPUT only. skipping..." );
- free( psz_name );
+ if (!AudioDeviceHasOutput(p_devices[i])) {
+ msg_Dbg(p_aout, "this device is INPUT only. skipping...");
+ free(psz_name);
continue;
}
/* Add the menu entries */
val.i_int = (int)p_devices[i];
text.psz_string = psz_name;
- var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
+ var_Change(p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text);
text.psz_string = NULL;
- if( p_sys->i_default_dev == p_devices[i] )
- {
+ if (p_sys->i_default_dev == p_devices[i]) {
/* The default device is the selected device normally */
- var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL );
- var_Set( p_aout, "audio-device", val );
+ var_Change(p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL);
+ 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;
- if( asprintf( &text.psz_string, _("%s (Encoded Output)"), psz_name ) != -1 )
- {
- var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
- free( text.psz_string );
- if( p_sys->i_default_dev == p_devices[i]
- && var_InheritBool( p_aout, "spdif" ) )
- {
+ if (asprintf(&text.psz_string, _("%s (Encoded Output)"), psz_name) != -1) {
+ var_Change(p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text);
+ free(text.psz_string);
+ if (p_sys->i_default_dev == p_devices[i] && var_InheritBool(p_aout, "spdif")) {
/* We selected to prefer SPDIF output if available
* then this "dummy" entry should be selected */
- var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL );
- var_Set( p_aout, "audio-device", val );
+ var_Change(p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL);
+ var_Set(p_aout, "audio-device", val);
}
}
}
- free( psz_name);
+ free(psz_name);
}
/* If a device is already "preselected", then use this device */
- var_Get( p_aout->p_libvlc, "macosx-audio-device", &val );
- if( val.i_int > 0 )
- {
- var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL );
- var_Set( p_aout, "audio-device", val );
+ var_Get(p_aout->p_libvlc, "macosx-audio-device", &val);
+ if (val.i_int > 0) {
+ msg_Dbg(p_aout, "using preselected output device %#"PRIx64, val.i_int);
+ var_Change(p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL);
+ var_Set(p_aout, "audio-device", val);
}
- /* If we change the device we want to use, we should renegotiate the audio chain */
- var_AddCallback( p_aout, "audio-device", AudioDeviceCallback, NULL );
-
/* Attach a Listener so that we are notified of a change in the Device setup */
- err = AudioObjectAddPropertyListener( kAudioObjectSystemObject, &audioDevicesAddress, HardwareListener, (void *)p_aout );
- if( err )
+ err = AudioObjectAddPropertyListener(kAudioObjectSystemObject, &audioDevicesAddress, HardwareListener, (void *)p_aout);
+ if (err != noErr) {
+ msg_Warn(p_aout, "failed to add listener for audio device configuration (%i)", err);
goto error;
+ }
- free( p_devices );
+ free(p_devices);
return;
error:
- msg_Warn( p_aout, "audio device already in use" );
- free( p_devices );
+ msg_Warn(p_aout, "audio device already in use");
+ free(p_devices);
return;
}
/*****************************************************************************
* AudioDeviceHasOutput: Checks if the Device actually provides any outputs at all
*****************************************************************************/
-static int AudioDeviceHasOutput( AudioDeviceID i_dev_id )
+static int AudioDeviceHasOutput(AudioDeviceID i_dev_id)
{
UInt32 dataSize;
AudioObjectPropertyAddress streamsAddress = { kAudioDevicePropertyStreams, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
- verify_noerr( AudioObjectGetPropertyDataSize( i_dev_id, &streamsAddress, 0, NULL, &dataSize ) );
- if (dataSize == 0) return FALSE;
+ verify_noerr(AudioObjectGetPropertyDataSize(i_dev_id, &streamsAddress, 0, NULL, &dataSize));
+ if (dataSize == 0)
+ return FALSE;
return TRUE;
}
/*****************************************************************************
* AudioDeviceSupportsDigital: Check i_dev_id for digital stream support.
*****************************************************************************/
-static int AudioDeviceSupportsDigital( audio_output_t *p_aout, AudioDeviceID i_dev_id )
+static int AudioDeviceSupportsDigital(audio_output_t *p_aout, AudioDeviceID i_dev_id)
{
OSStatus err = noErr;
UInt32 i_param_size = 0;
AudioStreamID *p_streams = NULL;
+ int i_streams = 0;
bool b_return = false;
/* Retrieve all the output streams */
AudioObjectPropertyAddress streamsAddress = { kAudioDevicePropertyStreams, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
- err = AudioObjectGetPropertyDataSize( i_dev_id, &streamsAddress, 0, NULL, &i_param_size );
- if( err != noErr )
- {
- msg_Err( p_aout, "could not get number of streams: [%s] (%i)", (char *)&err, (int32_t)err );
+ err = AudioObjectGetPropertyDataSize(i_dev_id, &streamsAddress, 0, NULL, &i_param_size);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not get number of streams: [%s] (%i)", (char *)&err, (int32_t)err);
return false;
}
- p_streams = (AudioStreamID *)malloc( i_param_size );
- if( p_streams == NULL )
+ i_streams = i_param_size / sizeof(AudioStreamID);
+ p_streams = (AudioStreamID *)malloc(i_param_size);
+ if (p_streams == NULL)
return VLC_ENOMEM;
- err = AudioObjectGetPropertyData( i_dev_id, &streamsAddress, 0, NULL, &i_param_size, p_streams );
- if( err != noErr )
- {
- msg_Err( p_aout, "could not get list of streams: [%s]", (char *)&err );
+ err = AudioObjectGetPropertyData(i_dev_id, &streamsAddress, 0, NULL, &i_param_size, p_streams);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not get list of streams: [%s]", (char *)&err);
return false;
}
- for( unsigned i = 0; i < i_param_size / sizeof( AudioStreamID ); i++ )
- {
- if( AudioStreamSupportsDigital( p_aout, p_streams[i] ) )
+ for (int i = 0; i < i_streams; i++) {
+ if (AudioStreamSupportsDigital(p_aout, p_streams[i]))
b_return = true;
}
- free( p_streams );
+ free(p_streams);
return b_return;
}
/*****************************************************************************
* AudioStreamSupportsDigital: Check i_stream_id for digital stream support.
*****************************************************************************/
-static int AudioStreamSupportsDigital( audio_output_t *p_aout, AudioStreamID i_stream_id )
+static int AudioStreamSupportsDigital(audio_output_t *p_aout, AudioStreamID i_stream_id)
{
OSStatus err = noErr;
UInt32 i_param_size = 0;
/* Retrieve all the stream formats supported by each output stream */
AudioObjectPropertyAddress physicalFormatsAddress = { kAudioStreamPropertyAvailablePhysicalFormats, kAudioObjectPropertyScopeGlobal, 0 };
- err = AudioObjectGetPropertyDataSize( i_stream_id, &physicalFormatsAddress, 0, NULL, &i_param_size );
- if( err != noErr )
- {
- msg_Err( p_aout, "could not get number of streamformats: [%s] (%i)", (char *)&err, (int32_t)err );
+ err = AudioObjectGetPropertyDataSize(i_stream_id, &physicalFormatsAddress, 0, NULL, &i_param_size);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not get number of streamformats: [%s] (%i)", (char *)&err, (int32_t)err);
return false;
}
- i_formats = i_param_size / sizeof( AudioStreamRangedDescription );
- msg_Dbg( p_aout, "found %i stream formats", i_formats );
+ i_formats = i_param_size / sizeof(AudioStreamRangedDescription);
+ msg_Dbg(p_aout, "found %i stream formats", i_formats);
- p_format_list = (AudioStreamRangedDescription *)malloc( i_param_size );
- if( p_format_list == NULL )
+ p_format_list = (AudioStreamRangedDescription *)malloc(i_param_size);
+ if (p_format_list == NULL)
return false;
- err = AudioObjectGetPropertyData( i_stream_id, &physicalFormatsAddress, 0, NULL, &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);
+ err = AudioObjectGetPropertyData(i_stream_id, &physicalFormatsAddress, 0, NULL, &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;
return false;
}
- for( int i = 0; i < i_formats; i++ )
- {
- msg_Dbg( p_aout, STREAM_FORMAT_MSG( "supported format: ", p_format_list[i].mFormat ) );
+ for (int i = 0; i < i_formats; i++) {
+#ifndef NDEBUG
+ msg_Dbg(p_aout, STREAM_FORMAT_MSG("supported format: ", p_format_list[i].mFormat));
+#endif
- if( p_format_list[i].mFormat.mFormatID == 'IAC3' ||
- p_format_list[i].mFormat.mFormatID == kAudioFormat60958AC3 )
- {
+ if (p_format_list[i].mFormat.mFormatID == 'IAC3' ||
+ p_format_list[i].mFormat.mFormatID == 'iac3' ||
+ p_format_list[i].mFormat.mFormatID == kAudioFormat60958AC3 ||
+ p_format_list[i].mFormat.mFormatID == kAudioFormatAC3)
b_return = true;
- }
}
- free( p_format_list );
+ free(p_format_list);
return b_return;
}
/*****************************************************************************
* AudioStreamChangeFormat: Change i_stream_id to change_format
*****************************************************************************/
-static int AudioStreamChangeFormat( audio_output_t *p_aout, AudioStreamID i_stream_id, AudioStreamBasicDescription change_format )
+static int AudioStreamChangeFormat(audio_output_t *p_aout, AudioStreamID i_stream_id, AudioStreamBasicDescription change_format)
{
OSStatus err = noErr;
UInt32 i_param_size = 0;
- AudioObjectPropertyAddress physicalFormatAddress = { kAudioStreamPropertyPhysicalFormat, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
+ AudioObjectPropertyAddress physicalFormatAddress = { kAudioStreamPropertyPhysicalFormat, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
struct { vlc_mutex_t lock; vlc_cond_t cond; } w;
- msg_Dbg( p_aout, STREAM_FORMAT_MSG( "setting stream format: ", change_format ) );
+ msg_Dbg(p_aout, STREAM_FORMAT_MSG("setting stream format: ", change_format));
/* Condition because SetProperty is asynchronious */
- vlc_cond_init( &w.cond );
- vlc_mutex_init( &w.lock );
- vlc_mutex_lock( &w.lock );
+ vlc_cond_init(&w.cond);
+ vlc_mutex_init(&w.lock);
+ vlc_mutex_lock(&w.lock);
/* Install the callback */
- err = AudioObjectAddPropertyListener( i_stream_id, &physicalFormatAddress, StreamListener, (void *)&w );
- if( err != noErr )
- {
- msg_Err( p_aout, "AudioObjectAddPropertyListener for kAudioStreamPropertyPhysicalFormat failed: [%4.4s]", (char *)&err );
+ err = AudioObjectAddPropertyListener(i_stream_id, &physicalFormatAddress, StreamListener, (void *)&w);
+ if (err != noErr) {
+ msg_Err(p_aout, "AudioObjectAddPropertyListener for kAudioStreamPropertyPhysicalFormat failed: [%4.4s]", (char *)&err);
return false;
}
/* change the format */
- err = AudioObjectSetPropertyData( i_stream_id, &physicalFormatAddress, 0, NULL, sizeof( AudioStreamBasicDescription ),
- &change_format );
- if( err != noErr )
- {
- msg_Err( p_aout, "could not set the stream format: [%4.4s]", (char *)&err );
+ err = AudioObjectSetPropertyData(i_stream_id, &physicalFormatAddress, 0, NULL, sizeof(AudioStreamBasicDescription),
+ &change_format);
+ if (err != noErr) {
+ msg_Err(p_aout, "could not set the stream format: [%4.4s]", (char *)&err);
return false;
}
* it is also not atomic in its behaviour.
* Therefore we check 5 times before we really give up.
* FIXME: failing isn't actually implemented yet. */
- for( int i = 0; i < 5; i++ )
- {
+ for (int i = 0; i < 5; i++) {
AudioStreamBasicDescription actual_format;
mtime_t timeout = mdate() + 500000;
- if( vlc_cond_timedwait( &w.cond, &w.lock, timeout ) )
- {
- msg_Dbg( p_aout, "reached timeout" );
- }
+ if (vlc_cond_timedwait(&w.cond, &w.lock, timeout))
+ msg_Dbg(p_aout, "reached timeout");
- i_param_size = sizeof( AudioStreamBasicDescription );
- err = AudioObjectGetPropertyData( i_stream_id, &physicalFormatAddress, 0, NULL, &i_param_size, &actual_format );
+ i_param_size = sizeof(AudioStreamBasicDescription);
+ err = AudioObjectGetPropertyData(i_stream_id, &physicalFormatAddress, 0, NULL, &i_param_size, &actual_format);
- msg_Dbg( p_aout, STREAM_FORMAT_MSG( "actual format in use: ", actual_format ) );
- if( actual_format.mSampleRate == change_format.mSampleRate &&
+ msg_Dbg(p_aout, STREAM_FORMAT_MSG("actual format in use: ", actual_format));
+ if (actual_format.mSampleRate == change_format.mSampleRate &&
actual_format.mFormatID == change_format.mFormatID &&
- actual_format.mFramesPerPacket == change_format.mFramesPerPacket )
- {
+ actual_format.mFramesPerPacket == change_format.mFramesPerPacket) {
/* The right format is now active */
break;
}
}
/* Removing the property listener */
- err = AudioObjectRemovePropertyListener( i_stream_id, &physicalFormatAddress, StreamListener, NULL );
- if( err != noErr )
- {
- msg_Err( p_aout, "AudioStreamRemovePropertyListener failed: [%4.4s]", (char *)&err );
+ err = AudioObjectRemovePropertyListener(i_stream_id, &physicalFormatAddress, StreamListener, (void *)&w);
+ if (err != noErr) {
+ msg_Err(p_aout, "AudioStreamRemovePropertyListener failed: [%4.4s]", (char *)&err);
return false;
}
/* Destroy the lock and condition */
- vlc_mutex_unlock( &w.lock );
- vlc_mutex_destroy( &w.lock );
- vlc_cond_destroy( &w.cond );
+ vlc_mutex_unlock(&w.lock);
+ vlc_mutex_destroy(&w.lock);
+ vlc_cond_destroy(&w.cond);
return true;
}
* Don't print anything during normal playback, calling blocking function from
* this callback is not allowed.
*****************************************************************************/
-static OSStatus RenderCallbackAnalog( vlc_object_t *_p_aout,
+static OSStatus RenderCallbackAnalog(vlc_object_t *_p_aout,
AudioUnitRenderActionFlags *ioActionFlags,
const AudioTimeStamp *inTimeStamp,
unsigned int inBusNumber,
unsigned int inNumberFrames,
- AudioBufferList *ioData )
+ AudioBufferList *ioData)
{
AudioTimeStamp host_time;
mtime_t current_date = 0;
VLC_UNUSED(inNumberFrames);
host_time.mFlags = kAudioTimeStampHostTimeValid;
- AudioDeviceTranslateTime( p_sys->i_selected_dev, inTimeStamp, &host_time );
+ 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;
+ AudioConvertHostTimeToNanos(AudioGetCurrentHostTime()) / 1000;
p_sys->clock_diff += mdate();
current_date = p_sys->clock_diff +
- AudioConvertHostTimeToNanos( host_time.mHostTime ) / 1000;
- //- ((mtime_t) 1000000 / p_aout->format.i_rate * 31 ); // 31 = Latency in Frames. retrieve somewhere
+ AudioConvertHostTimeToNanos(host_time.mHostTime) / 1000;
+ //- ((mtime_t) 1000000 / p_aout->format.i_rate * 31); // 31 = Latency in Frames. retrieve somewhere
- if( ioData == NULL && ioData->mNumberBuffers < 1 )
- {
- msg_Err( p_aout, "no iodata or buffers");
+ if (ioData == NULL || ioData->mNumberBuffers < 1) {
+ msg_Err(p_aout, "no iodata or buffers");
return 0;
}
- if( ioData->mNumberBuffers > 1 )
- msg_Err( p_aout, "well this is weird. seems like there is more than one buffer..." );
-
+ if (ioData->mNumberBuffers > 1)
+ msg_Err(p_aout, "well this is weird. seems like there is more than one buffer...");
- if( p_sys->i_total_bytes > 0 )
- {
- i_mData_bytes = __MIN( p_sys->i_total_bytes - p_sys->i_read_bytes, ioData->mBuffers[0].mDataByteSize );
- vlc_memcpy( ioData->mBuffers[0].mData,
+ if (p_sys->i_total_bytes > 0) {
+ i_mData_bytes = __MIN(p_sys->i_total_bytes - p_sys->i_read_bytes, ioData->mBuffers[0].mDataByteSize);
+ memcpy(ioData->mBuffers[0].mData,
&p_sys->p_remainder_buffer[p_sys->i_read_bytes],
- i_mData_bytes );
+ i_mData_bytes);
p_sys->i_read_bytes += i_mData_bytes;
- current_date += (mtime_t) ( (mtime_t) 1000000 / p_aout->format.i_rate ) *
- ( i_mData_bytes / 4 / aout_FormatNbChannels( &p_aout->format ) ); // 4 is fl32 specific
+ current_date += (mtime_t) ((mtime_t) 1000000 / p_sys->packet.format.i_rate) *
+ (i_mData_bytes / 4 / aout_FormatNbChannels(&p_sys->packet.format)); // 4 is fl32 specific
- if( p_sys->i_read_bytes >= p_sys->i_total_bytes )
+ if (p_sys->i_read_bytes >= p_sys->i_total_bytes)
p_sys->i_read_bytes = p_sys->i_total_bytes = 0;
}
- while( i_mData_bytes < ioData->mBuffers[0].mDataByteSize )
- {
+ while(i_mData_bytes < ioData->mBuffers[0].mDataByteSize) {
/* We don't have enough data yet */
- aout_buffer_t * p_buffer;
- p_buffer = aout_PacketNext( p_aout, current_date );
+ block_t * p_buffer;
+ p_buffer = aout_PacketNext(p_aout, current_date);
- if( p_buffer != NULL )
+ if (p_buffer != NULL)
{
- uint32_t i_second_mData_bytes = __MIN( p_buffer->i_buffer, ioData->mBuffers[0].mDataByteSize - i_mData_bytes );
+ /* Do the channel reordering */
+ if (p_buffer && p_sys->chans_to_reorder)
+ {
+ aout_ChannelReorder(p_buffer->p_buffer,
+ p_buffer->i_buffer,
+ p_sys->chans_to_reorder,
+ p_sys->chan_table,
+ 32);
+ }
- vlc_memcpy( (uint8_t *)ioData->mBuffers[0].mData + i_mData_bytes,
- p_buffer->p_buffer, i_second_mData_bytes );
+ uint32_t i_second_mData_bytes = __MIN(p_buffer->i_buffer, ioData->mBuffers[0].mDataByteSize - i_mData_bytes);
+
+ memcpy((uint8_t *)ioData->mBuffers[0].mData + i_mData_bytes,
+ p_buffer->p_buffer, i_second_mData_bytes);
i_mData_bytes += i_second_mData_bytes;
- if( i_mData_bytes >= ioData->mBuffers[0].mDataByteSize )
+ if (i_mData_bytes >= ioData->mBuffers[0].mDataByteSize)
{
p_sys->i_total_bytes = p_buffer->i_buffer - i_second_mData_bytes;
- vlc_memcpy( p_sys->p_remainder_buffer,
+ memcpy(p_sys->p_remainder_buffer,
&p_buffer->p_buffer[i_second_mData_bytes],
- p_sys->i_total_bytes );
- aout_BufferFree( p_buffer );
+ p_sys->i_total_bytes);
+ block_Release(p_buffer);
break;
- }
- else
- {
+ } else
/* update current_date */
- current_date += (mtime_t) ( (mtime_t) 1000000 / p_aout->format.i_rate ) *
- ( i_second_mData_bytes / 4 / aout_FormatNbChannels( &p_aout->format ) ); // 4 is fl32 specific
- }
- aout_BufferFree( p_buffer );
- }
- else
- {
- vlc_memset( (uint8_t *)ioData->mBuffers[0].mData +i_mData_bytes,
- 0,ioData->mBuffers[0].mDataByteSize - i_mData_bytes );
- i_mData_bytes += ioData->mBuffers[0].mDataByteSize - i_mData_bytes;
+ current_date += (mtime_t) ((mtime_t) 1000000 / p_sys->packet.format.i_rate) *
+ (i_second_mData_bytes / 4 / aout_FormatNbChannels(&p_sys->packet.format)); // 4 is fl32 specific
+ block_Release(p_buffer);
+ } else {
+ memset((uint8_t *)ioData->mBuffers[0].mData +i_mData_bytes,
+ 0,ioData->mBuffers[0].mDataByteSize - i_mData_bytes);
+ i_mData_bytes += ioData->mBuffers[0].mDataByteSize - i_mData_bytes;
}
}
- return( noErr );
+ return noErr;
}
/*****************************************************************************
* RenderCallbackSPDIF: callback for SPDIF audio output
*****************************************************************************/
-static OSStatus RenderCallbackSPDIF( AudioDeviceID inDevice,
+static OSStatus RenderCallbackSPDIF (AudioDeviceID inDevice,
const AudioTimeStamp * inNow,
const void * inInputData,
const AudioTimeStamp * inInputTime,
AudioBufferList * outOutputData,
const AudioTimeStamp * inOutputTime,
- void * threadGlobals )
+ void * threadGlobals)
{
- aout_buffer_t * p_buffer;
+ block_t * p_buffer;
mtime_t current_date;
audio_output_t * p_aout = (audio_output_t *)threadGlobals;
/* Check for the difference between the Device clock and mdate */
p_sys->clock_diff = - (mtime_t)
- AudioConvertHostTimeToNanos( inNow->mHostTime ) / 1000;
+ AudioConvertHostTimeToNanos(inNow->mHostTime) / 1000;
p_sys->clock_diff += mdate();
current_date = p_sys->clock_diff +
- AudioConvertHostTimeToNanos( inOutputTime->mHostTime ) / 1000;
- //- ((mtime_t) 1000000 / p_aout->format.i_rate * 31 ); // 31 = Latency in Frames. retrieve somewhere
+ AudioConvertHostTimeToNanos(inOutputTime->mHostTime) / 1000;
+ //- ((mtime_t) 1000000 / p_aout->format.i_rate * 31); // 31 = Latency in Frames. retrieve somewhere
- p_buffer = aout_PacketNext( p_aout, current_date );
+ p_buffer = aout_PacketNext(p_aout, current_date);
#define BUFFER outOutputData->mBuffers[p_sys->i_stream_index]
- if( p_buffer != NULL )
- {
- if( (int)BUFFER.mDataByteSize != (int)p_buffer->i_buffer)
- msg_Warn( p_aout, "bytesize: %d nb_bytes: %d", (int)BUFFER.mDataByteSize, (int)p_buffer->i_buffer );
+ if (p_buffer != NULL) {
+ if ((int)BUFFER.mDataByteSize != (int)p_buffer->i_buffer)
+ msg_Warn(p_aout, "bytesize: %d nb_bytes: %d", (int)BUFFER.mDataByteSize, (int)p_buffer->i_buffer);
/* move data into output data buffer */
- vlc_memcpy( BUFFER.mData, p_buffer->p_buffer, p_buffer->i_buffer );
- aout_BufferFree( p_buffer );
+ memcpy(BUFFER.mData, p_buffer->p_buffer, p_buffer->i_buffer);
+ block_Release(p_buffer);
}
else
- {
- vlc_memset( BUFFER.mData, 0, BUFFER.mDataByteSize );
- }
+ memset(BUFFER.mData, 0, BUFFER.mDataByteSize);
#undef BUFFER
- return( noErr );
+ return noErr;
}
/*****************************************************************************
* HardwareListener: Warns us of changes in the list of registered devices
*****************************************************************************/
-static OSStatus HardwareListener( AudioObjectID inObjectID, UInt32 inNumberAddresses, const AudioObjectPropertyAddress inAddresses[], void*inClientData)
+static OSStatus HardwareListener(AudioObjectID inObjectID, UInt32 inNumberAddresses, const AudioObjectPropertyAddress inAddresses[], void*inClientData)
{
OSStatus err = noErr;
audio_output_t *p_aout = (audio_output_t *)inClientData;
VLC_UNUSED(inObjectID);
- for ( unsigned int i = 0; i < inNumberAddresses; i++ )
- {
- if( inAddresses[i].mSelector == kAudioHardwarePropertyDevices )
- {
+ for (unsigned int i = 0; i < inNumberAddresses; i++) {
+ if (inAddresses[i].mSelector == kAudioHardwarePropertyDevices) {
/* something changed in the list of devices */
/* We trigger the audio-device's aout_ChannelsRestart callback */
- var_TriggerCallback( p_aout, "audio-device" );
- var_Destroy( p_aout, "audio-device" );
+ msg_Warn(p_aout, "audio device configuration changed, resetting cache");
+ var_TriggerCallback(p_aout, "audio-device");
+ var_Destroy(p_aout, "audio-device");
+ } else if (inAddresses[i].mSelector == kAudioDevicePropertyDeviceIsAlive) {
+ msg_Warn(p_aout, "audio device died, resetting aout");
+ var_TriggerCallback(p_aout, "audio-device");
+ var_Destroy(p_aout, "audio-device");
+ } else if (inAddresses[i].mSelector == kAudioStreamPropertyAvailablePhysicalFormats) {
+ msg_Warn(p_aout, "available physical formats for audio device changed, resetting aout");
+ var_TriggerCallback(p_aout, "audio-device");
+ var_Destroy(p_aout, "audio-device");
}
}
- return( err );
+ return err;
}
/*****************************************************************************
* StreamListener
*****************************************************************************/
-static OSStatus StreamListener( AudioObjectID inObjectID, UInt32 inNumberAddresses, const AudioObjectPropertyAddress inAddresses[], void*inClientData)
+static OSStatus StreamListener(AudioObjectID inObjectID, UInt32 inNumberAddresses, const AudioObjectPropertyAddress inAddresses[], void*inClientData)
{
OSStatus err = noErr;
struct { vlc_mutex_t lock; vlc_cond_t cond; } * w = inClientData;
VLC_UNUSED(inObjectID);
- for( unsigned int i = 0; i < inNumberAddresses; i++ )
- {
- if( inAddresses[i].mSelector == kAudioStreamPropertyPhysicalFormat )
- {
- vlc_mutex_lock( &w->lock );
- vlc_cond_signal( &w->cond );
- vlc_mutex_unlock( &w->lock );
+ for (unsigned int i = 0; i < inNumberAddresses; i++) {
+ if (inAddresses[i].mSelector == kAudioStreamPropertyPhysicalFormat) {
+ vlc_mutex_lock(&w->lock);
+ vlc_cond_signal(&w->cond);
+ vlc_mutex_unlock(&w->lock);
+ break;
}
}
- return( err );
+ 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 )
+static int AudioDeviceCallback(vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t old_val, vlc_value_t new_val, void *param)
{
audio_output_t *p_aout = (audio_output_t *)p_this;
- var_Set( p_aout->p_libvlc, "macosx-audio-device", new_val );
- msg_Dbg( p_aout, "Set Device: %#"PRIx64, new_val.i_int );
- return aout_ChannelsRestart( p_this, psz_variable, old_val, new_val, param );
+ var_Set(p_aout->p_libvlc, "macosx-audio-device", new_val);
+ msg_Dbg(p_aout, "Set Device: %#"PRIx64, new_val.i_int);
+ return aout_ChannelsRestart(p_this, psz_variable, old_val, new_val, param);
}
+
+/*****************************************************************************
+ * VolumeSet: Implements volume_set(). Update the CoreAudio AU volume immediately.
+ *****************************************************************************/
+static int VolumeSet(audio_output_t * p_aout, float volume)
+{
+ struct aout_sys_t *p_sys = p_aout->sys;
+ OSStatus ostatus;
+
+ aout_VolumeReport(p_aout, volume);
+
+ /* Set volume for output unit */
+ ostatus = AudioUnitSetParameter(p_sys->au_unit,
+ kHALOutputParam_Volume,
+ kAudioUnitScope_Global,
+ 0,
+ volume * volume * volume,
+ 0);
+
+ if (var_InheritBool(p_aout, "volume-save"))
+ config_PutInt(p_aout, "auhal-volume", lroundf(volume * AOUT_VOLUME_DEFAULT));
+
+ return ostatus;
+}
+
+static int MuteSet(audio_output_t * p_aout, bool mute)
+{
+ struct aout_sys_t *p_sys = p_aout->sys;
+ OSStatus ostatus;
+
+ aout_MuteReport(p_aout, mute);
+
+ float volume = .0;
+
+ if (!mute)
+ volume = var_InheritInteger(p_aout, "auhal-volume") / (float)AOUT_VOLUME_DEFAULT;
+
+ ostatus = AudioUnitSetParameter(p_sys->au_unit,
+ kHALOutputParam_Volume,
+ kAudioUnitScope_Global,
+ 0,
+ volume * volume * volume,
+ 0);
+
+ return ostatus;
+}
+
+static int Open(vlc_object_t *obj)
+{
+ audio_output_t *aout = (audio_output_t *)obj;
+ aout_sys_t *sys = malloc(sizeof (*sys));
+
+ if (unlikely(sys == NULL))
+ return VLC_ENOMEM;
+ aout->sys = sys;
+ aout->start = Start;
+ aout->stop = Stop;
+ aout->volume_set = VolumeSet;
+ aout->mute_set = MuteSet;
+
+ /* remember the volume */
+ aout_VolumeReport(aout, var_InheritInteger(aout, "auhal-volume") / (float)AOUT_VOLUME_DEFAULT);
+ MuteSet(aout, var_InheritBool(aout, "mute"));
+
+ return VLC_SUCCESS;
+}
+
+static void Close(vlc_object_t *obj)
+{
+ audio_output_t *aout = (audio_output_t *)obj;
+ aout_sys_t *sys = aout->sys;
+
+ free(sys);
+}