/*****************************************************************************
- * auhal.c: AUHAL output plugin
+ * auhal.c: AUHAL and Coreaudio output plugin
*****************************************************************************
* Copyright (C) 2005 the VideoLAN team
* $Id$
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <string.h>
-#include <stdlib.h>
+#include <unistd.h>
#include <vlc/vlc.h>
-#include <vlc/aout.h>
-
-#include "aout_internal.h"
+#include <vlc_interface.h>
+#include <vlc_aout.h>
#include <CoreAudio/CoreAudio.h>
-#include <CoreAudio/CoreAudioTypes.h>
#include <AudioUnit/AudioUnitProperties.h>
#include <AudioUnit/AudioUnitParameters.h>
#include <AudioUnit/AudioOutputUnit.h>
sfm.mChannelsPerFrame, sfm.mBitsPerChannel
#define BUFSIZE 0xffffff
-#define AOUT_VAR_SPDIF_FLAG 0xf0000000
+#define AOUT_VAR_SPDIF_FLAG 0xf00000
+
+/*
+ * TODO:
+ * - clean up the debug info
+ * - clean up C99'isms
+ * - be better at changing stream setup or devices setup changes while playing.
+ * - fix 6.1 and 7.1
+ */
/*****************************************************************************
* aout_sys_t: private audio output method descriptor
UInt32 i_devices; /* Number of CoreAudio Devices */
vlc_bool_t b_supports_digital;/* Does the currently selected device support digital mode? */
vlc_bool_t b_digital; /* Are we running in digital mode? */
+ mtime_t clock_diff; /* Difference between VLC clock and Device clock */
+
+ /* AUHAL specific */
Component au_component; /* The Audiocomponent we use */
AudioUnit au_unit; /* The AudioUnit we use */
- mtime_t clock_diff;
uint8_t p_remainder_buffer[BUFSIZE];
uint32_t i_read_bytes;
uint32_t i_total_bytes;
+
+ /* CoreAudio SPDIF mode specific */
+ pid_t i_hog_pid; /* The keep the pid of our hog status */
+ AudioStreamID i_stream_id; /* The StreamID that has a cac3 streamformat */
+ int i_stream_index; /* The index of i_stream_id in an AudioBufferList */
+ AudioStreamBasicDescription stream_format; /* The format we changed the stream to */
+ AudioStreamBasicDescription sfmt_revert; /* The original format of the stream */
+ vlc_bool_t b_revert; /* Wether we need to revert the stream format */
+ vlc_bool_t b_changed_mixing;/* Wether we need to set the mixing mode back */
};
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
static int Open ( vlc_object_t * );
-int OpenAnalog ( aout_instance_t * );
-int OpenSPDIF ( aout_instance_t * );
+static int OpenAnalog ( aout_instance_t * );
+static int OpenSPDIF ( aout_instance_t * );
static void Close ( vlc_object_t * );
static void Play ( aout_instance_t * );
static void Probe ( aout_instance_t * );
-int AudioDeviceSupportsDigital( aout_instance_t *, AudioDeviceID );
-int AudioDeviceHasOutput ( AudioDeviceID );
+static int AudioDeviceHasOutput ( AudioDeviceID );
+static int AudioDeviceSupportsDigital( aout_instance_t *, AudioDeviceID );
+static int AudioStreamSupportsDigital( aout_instance_t *, AudioStreamID );
+static int AudioStreamChangeFormat ( aout_instance_t *, AudioStreamID, AudioStreamBasicDescription );
static OSStatus RenderCallbackAnalog ( vlc_object_t *, AudioUnitRenderActionFlags *, const AudioTimeStamp *,
unsigned int, unsigned int, AudioBufferList *);
+static OSStatus RenderCallbackSPDIF ( AudioDeviceID, const AudioTimeStamp *, const void *, const AudioTimeStamp *,
+ AudioBufferList *, const AudioTimeStamp *, void * );
static OSStatus HardwareListener ( AudioHardwarePropertyID, void *);
+static OSStatus StreamListener ( AudioStreamID, UInt32,
+ AudioDevicePropertyID, void * );
+static int AudioDeviceCallback ( vlc_object_t *, const char *,
+ vlc_value_t, vlc_value_t, void * );
+
/*****************************************************************************
* Module descriptor
set_category( CAT_AUDIO );
set_subcategory( SUBCAT_AUDIO_AOUT );
set_callbacks( Open, Close );
- //add_integer( "macosx-audio-device", -1, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE );
+ add_integer( "macosx-audio-device", 0, NULL, ADEV_TEXT, ADEV_LONGTEXT, VLC_FALSE );
vlc_module_end();
/*****************************************************************************
- * Open: open a HAL AudioUnit
+ * Open: open macosx audio output
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
OSStatus err = noErr;
- UInt32 i_param_size = 0, i_hog = 0;
+ UInt32 i_param_size = 0;
struct aout_sys_t *p_sys = NULL;
vlc_bool_t b_alive = VLC_FALSE;
vlc_value_t val;
p_sys->clock_diff = (mtime_t) 0;
p_sys->i_read_bytes = 0;
p_sys->i_total_bytes = 0;
+ p_sys->i_hog_pid = -1;
+ p_sys->i_stream_id = 0;
+ p_sys->i_stream_index = -1;
+ p_sys->b_revert = VLC_FALSE;
+ p_sys->b_changed_mixing = VLC_FALSE;
memset( p_sys->p_remainder_buffer, 0, sizeof(uint8_t) * BUFSIZE );
p_aout->output.pf_play = Play;
-
- aout_FormatPrint( p_aout, "VLC is looking for:\n", (audio_sample_format_t *)&p_aout->output.output );
-
+
+ aout_FormatPrint( p_aout, "VLC is looking for:", (audio_sample_format_t *)&p_aout->output.output );
+
+ /* Persistent device variable */
+ if( var_Type( p_aout->p_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 )
{
if( var_Get( p_aout, "audio-device", &val ) < 0 )
{
msg_Err( p_aout, "audio-device var does not exist. device probe failed." );
- free( p_sys );
- return( VLC_ENOVAR );
+ goto error;
}
- p_sys->i_selected_dev = val.i_int & ~AOUT_VAR_SPDIF_FLAG;
+ p_sys->i_selected_dev = val.i_int & ~AOUT_VAR_SPDIF_FLAG; /* remove SPDIF flag to get the true DeviceID */
p_sys->b_supports_digital = ( val.i_int & AOUT_VAR_SPDIF_FLAG ) ? VLC_TRUE : VLC_FALSE;
/* 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 );
err = AudioDeviceGetProperty( p_sys->i_selected_dev, 0, FALSE,
kAudioDevicePropertyDeviceIsAlive,
if( err != noErr )
{
- msg_Err( p_aout, "could not check whether device is alive: %4.4s",
- (char *)&err );
- return VLC_EGENERIC;
+ msg_Err( p_aout, "could not check whether device is alive: %4.4s", (char *)&err );
+ goto error;
}
if( b_alive == VLC_FALSE )
{
- msg_Err( p_aout, "Selected audio device is not alive" );
- var_Destroy( p_aout, "audio-device" );
- free( p_sys );
- return VLC_EGENERIC;
+ msg_Warn( p_aout, "selected audio device is not alive, switching to default device" );
+ p_sys->i_selected_dev = p_sys->i_default_dev;
}
- i_param_size = sizeof( i_hog );
+ i_param_size = sizeof( p_sys->i_hog_pid );
err = AudioDeviceGetProperty( p_sys->i_selected_dev, 0, FALSE,
kAudioDevicePropertyHogMode,
- &i_param_size, &i_hog );
+ &i_param_size, &p_sys->i_hog_pid );
if( err != noErr )
{
- msg_Err( p_aout, "could not check whether device is hogged: %4.4s",
+ /* 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 );
- return VLC_EGENERIC;
+ p_sys->i_hog_pid = -1;
}
- if( i_hog != -1 )
+ if( p_sys->i_hog_pid != -1 && p_sys->i_hog_pid != getpid() )
{
- msg_Err( p_aout, "Selected audio device is exclusively in use by another program" );
- var_Destroy( p_aout, "audio-device" );
- free( p_sys );
- return VLC_EGENERIC;
+ msg_Err( p_aout, "Selected audio device is exclusively in use by another program." );
+ intf_UserFatal( p_aout, VLC_FALSE, _("Audio output failed"),
+ _("The selected audio output device is exclusively in "
+ "use by another program.") );
+ goto error;
}
/* Check for Digital mode or Analog output mode */
if( OpenAnalog( p_aout ) )
return VLC_SUCCESS;
}
-
- /* If we reach this, the Open* failed */
+
+error:
+ /* If we reach this, this aout has failed */
var_Destroy( p_aout, "audio-device" );
- free( p_sys );
+ if( p_sys ) free( p_sys );
return VLC_EGENERIC;
}
-int OpenAnalog( aout_instance_t *p_aout )
+/*****************************************************************************
+ * Open: open and setup a HAL AudioUnit to do analog (multichannel) audio output
+ *****************************************************************************/
+static int OpenAnalog( aout_instance_t *p_aout )
{
- struct aout_sys_t *p_sys = p_aout->output.p_sys;
- OSStatus err = noErr;
- UInt32 i_param_size = 0, i = 0;
- ComponentDescription desc;
-
- if( AOUT_FMT_NON_LINEAR( &p_aout->output.output ) && !p_sys->b_supports_digital )
- {
- msg_Dbg( p_aout, "we had requested a digital stream, but it's not possible for this device" );
- }
+ struct aout_sys_t *p_sys = p_aout->output.p_sys;
+ OSStatus err = noErr;
+ UInt32 i_param_size = 0, i = 0;
+ int i_original;
+ ComponentDescription desc;
+ AudioStreamBasicDescription DeviceFormat;
+ AudioChannelLayout *layout;
+ AudioChannelLayout new_layout;
+ AURenderCallbackStruct input;
- /* If analog only start setting up AUHAL */
/* Lets go find our Component */
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = kAudioUnitSubType_HALOutput;
p_sys->au_component = FindNextComponent( NULL, &desc );
if( p_sys->au_component == NULL )
{
- msg_Err( p_aout, "we cannot find our HAL component" );
+ msg_Warn( p_aout, "we cannot find our HAL component" );
return VLC_FALSE;
}
err = OpenAComponent( p_sys->au_component, &p_sys->au_unit );
- if( err )
+ if( err != noErr )
{
- msg_Err( p_aout, "we cannot find our HAL component" );
+ msg_Warn( p_aout, "we cannot open our HAL component" );
return VLC_FALSE;
}
-
- /* Enable IO for the component */
-
- /* Set the device */
- verify_noerr( AudioUnitSetProperty( p_sys->au_unit,
+
+ /* Set the device we will use for this output unit */
+ err = AudioUnitSetProperty( p_sys->au_unit,
kAudioOutputUnitProperty_CurrentDevice,
kAudioUnitScope_Global,
0,
&p_sys->i_selected_dev,
- sizeof(p_sys->i_selected_dev)));
-
+ sizeof( AudioDeviceID ));
+
+ if( err != noErr )
+ {
+ msg_Warn( p_aout, "we cannot select the audio device" );
+ return VLC_FALSE;
+ }
+
/* Get the current format */
- AudioStreamBasicDescription DeviceFormat;
-
i_param_size = sizeof(AudioStreamBasicDescription);
- verify_noerr( AudioUnitGetProperty( p_sys->au_unit,
+ err = AudioUnitGetProperty( p_sys->au_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input,
0,
&DeviceFormat,
- &i_param_size ));
-
- msg_Dbg( p_aout, STREAM_FORMAT_MSG( "current format is: " , DeviceFormat ) );
+ &i_param_size );
+
+ if( err != noErr ) return VLC_FALSE;
+ else msg_Dbg( p_aout, STREAM_FORMAT_MSG( "current format is: ", DeviceFormat ) );
- /* Get the channel layout */
- AudioChannelLayout *layout;
- verify_noerr( AudioUnitGetPropertyInfo( p_sys->au_unit,
+ /* Get the channel layout of the device side of the unit (vlc -> unit -> device) */
+ err = AudioUnitGetPropertyInfo( p_sys->au_unit,
kAudioDevicePropertyPreferredChannelLayout,
kAudioUnitScope_Output,
0,
&i_param_size,
- NULL ));
-
- layout = (AudioChannelLayout *)malloc( i_param_size);
-
- verify_noerr( AudioUnitGetProperty( p_sys->au_unit,
- kAudioDevicePropertyPreferredChannelLayout,
- kAudioUnitScope_Output,
- 0,
- layout,
- &i_param_size ));
-
- /* Lets fill out the ChannelLayout */
- if( layout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelBitmap)
- {
- msg_Dbg( p_aout, "bitmap defined channellayout" );
- verify_noerr( AudioFormatGetProperty( kAudioFormatProperty_ChannelLayoutForBitmap,
- sizeof( UInt32), &layout->mChannelBitmap,
- &i_param_size,
- layout ));
- }
- else if( layout->mChannelLayoutTag != kAudioChannelLayoutTag_UseChannelDescriptions )
- {
- msg_Dbg( p_aout, "layouttags defined channellayout" );
- verify_noerr( AudioFormatGetProperty( kAudioFormatProperty_ChannelLayoutForTag,
- sizeof( AudioChannelLayoutTag ), &layout->mChannelLayoutTag,
- &i_param_size,
- layout ));
- }
+ NULL );
- msg_Dbg( p_aout, "Layout of AUHAL has %d channels" , (int)layout->mNumberChannelDescriptions );
-
- p_aout->output.output.i_physical_channels = 0;
- for( i = 0; i < layout->mNumberChannelDescriptions; i++ )
+ if( err == noErr )
{
- msg_Dbg( p_aout, "This is channel: %d", (int)layout->mChannelDescriptions[i].mChannelLabel );
+ layout = (AudioChannelLayout *)malloc( i_param_size);
+
+ verify_noerr( AudioUnitGetProperty( p_sys->au_unit,
+ kAudioDevicePropertyPreferredChannelLayout,
+ kAudioUnitScope_Output,
+ 0,
+ layout,
+ &i_param_size ));
+
+ /* We need to "fill out" the ChannelLayout, because there are multiple ways that it can be set */
+ if( layout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelBitmap)
+ {
+ /* bitmap defined channellayout */
+ verify_noerr( AudioFormatGetProperty( kAudioFormatProperty_ChannelLayoutForBitmap,
+ sizeof( UInt32), &layout->mChannelBitmap,
+ &i_param_size,
+ layout ));
+ }
+ else if( layout->mChannelLayoutTag != kAudioChannelLayoutTag_UseChannelDescriptions )
+ {
+ /* layouttags defined channellayout */
+ verify_noerr( AudioFormatGetProperty( kAudioFormatProperty_ChannelLayoutForTag,
+ sizeof( AudioChannelLayoutTag ), &layout->mChannelLayoutTag,
+ &i_param_size,
+ layout ));
+ }
- switch( layout->mChannelDescriptions[i].mChannelLabel )
+ msg_Dbg( p_aout, "layout of AUHAL has %d channels" , (int)layout->mNumberChannelDescriptions );
+
+ /* Initialize the VLC core channel count */
+ p_aout->output.output.i_physical_channels = 0;
+ i_original = p_aout->output.output.i_original_channels & AOUT_CHAN_PHYSMASK;
+
+ if( i_original == AOUT_CHAN_CENTER || layout->mNumberChannelDescriptions < 2 )
{
- case kAudioChannelLabel_Left:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_LEFT;
- continue;
- case kAudioChannelLabel_Right:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_RIGHT;
- continue;
- case kAudioChannelLabel_Center:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_CENTER;
- continue;
- case kAudioChannelLabel_LFEScreen:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_LFE;
- continue;
- case kAudioChannelLabel_LeftSurround:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARLEFT;
- continue;
- case kAudioChannelLabel_RightSurround:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARRIGHT;
- continue;
- case kAudioChannelLabel_RearSurroundLeft:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_MIDDLELEFT;
- continue;
- case kAudioChannelLabel_RearSurroundRight:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_MIDDLERIGHT;
- continue;
- case kAudioChannelLabel_CenterSurround:
- p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARCENTER;
- continue;
- default:
- msg_Warn( p_aout, "Unrecognized channel form provided by driver: %d", (int)layout->mChannelDescriptions[i].mChannelLabel );
- if( i == 0 )
+ /* We only need Mono or cannot output more than 1 channel */
+ p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER;
+ }
+ else if( i_original == (AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT) || layout->mNumberChannelDescriptions < 3 )
+ {
+ /* We only need Stereo or cannot output more than 2 channels */
+ p_aout->output.output.i_physical_channels = AOUT_CHAN_RIGHT | AOUT_CHAN_LEFT;
+ }
+ else
+ {
+ /* We want more than stereo and we can do that */
+ for( i = 0; i < layout->mNumberChannelDescriptions; i++ )
+ {
+ msg_Dbg( p_aout, "this is channel: %d", (int)layout->mChannelDescriptions[i].mChannelLabel );
+
+ switch( layout->mChannelDescriptions[i].mChannelLabel )
{
- msg_Warn( p_aout, "Probably no channellayout is set. force based on channelcount" );
- switch( layout->mNumberChannelDescriptions )
- {
- /* We make assumptions based on number of channels here.
- * Unfortunatly Apple has provided no 100% method to retrieve the speaker configuration */
- case 1:
- p_aout->output.output.i_physical_channels = AOUT_CHAN_CENTER;
- 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_CENTER | AOUT_CHAN_LFE |
- AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
- break;
- case 7:
- p_aout->output.output.i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT |
- AOUT_CHAN_CENTER | AOUT_CHAN_LFE |
- AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_REARCENTER;
- break;
- case 8:
- p_aout->output.output.i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT |
- AOUT_CHAN_CENTER | AOUT_CHAN_LFE |
- AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT |
- AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
- break;
- case 2:
- default:
- p_aout->output.output.i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
- }
+ case kAudioChannelLabel_Left:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_LEFT;
+ continue;
+ case kAudioChannelLabel_Right:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_RIGHT;
+ continue;
+ case kAudioChannelLabel_Center:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_CENTER;
+ continue;
+ case kAudioChannelLabel_LFEScreen:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_LFE;
+ continue;
+ case kAudioChannelLabel_LeftSurround:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARLEFT;
+ continue;
+ case kAudioChannelLabel_RightSurround:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARRIGHT;
+ continue;
+ case kAudioChannelLabel_RearSurroundLeft:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_MIDDLELEFT;
+ continue;
+ case kAudioChannelLabel_RearSurroundRight:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_MIDDLERIGHT;
+ continue;
+ case kAudioChannelLabel_CenterSurround:
+ p_aout->output.output.i_physical_channels |= AOUT_CHAN_REARCENTER;
+ continue;
+ default:
+ msg_Warn( p_aout, "unrecognized channel form provided by driver: %d", (int)layout->mChannelDescriptions[i].mChannelLabel );
}
- break;
+ }
+ if( p_aout->output.output.i_physical_channels == 0 )
+ {
+ p_aout->output.output.i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
+ msg_Err( p_aout, "You should configure your speaker layout with Audio Midi Setup Utility in /Applications/Utilities. Now using Stereo mode." );
+ intf_UserFatal( p_aout, VLC_FALSE, _("Audio device is not configured"),
+ _("You should configure your speaker layout with "
+ "the \"Audio Midi Setup Utility\" in /Applications/"
+ "Utilities. Stereo mode is being used now.") );
+ }
}
+ if( layout ) free( layout );
+ }
+ else
+ {
+ msg_Warn( p_aout, "this driver does not support kAudioDevicePropertyPreferredChannelLayout. BAD DRIVER AUTHOR !!!" );
+ p_aout->output.output.i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
}
- free( layout );
- msg_Dbg( p_aout, "defined %d physical channels for vlc core", aout_FormatNbChannels( &p_aout->output.output ) );
- msg_Dbg( p_aout, "%s", aout_FormatPrintChannels( &p_aout->output.output ));
-
- AudioChannelLayout new_layout;
+ msg_Dbg( p_aout, "selected %d physical channels for device output", aout_FormatNbChannels( &p_aout->output.output ) );
+ msg_Dbg( p_aout, "VLC will output: %s", aout_FormatPrintChannels( &p_aout->output.output ));
+
memset (&new_layout, 0, sizeof(new_layout));
switch( aout_FormatNbChannels( &p_aout->output.output ) )
{
}
break;
case 6:
- new_layout.mChannelLayoutTag = kAudioChannelLayoutTag_DVD_20; // L R Ls Rs C LFE
+ if( p_aout->output.output.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 */
DeviceFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked;
DeviceFormat.mBitsPerChannel = 32;
DeviceFormat.mChannelsPerFrame = aout_FormatNbChannels( &p_aout->output.output );
-
+
/* Calculate framesizes and stuff */
- aout_FormatPrepare( &p_aout->output.output );
DeviceFormat.mFramesPerPacket = 1;
DeviceFormat.mBytesPerFrame = DeviceFormat.mBitsPerChannel * DeviceFormat.mChannelsPerFrame / 8;
DeviceFormat.mBytesPerPacket = DeviceFormat.mBytesPerFrame * DeviceFormat.mFramesPerPacket;
+ /* Set the desired format */
i_param_size = sizeof(AudioStreamBasicDescription);
- /* Set desired format (Use CAStreamBasicDescription )*/
verify_noerr( AudioUnitSetProperty( p_sys->au_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input,
0,
&DeviceFormat,
i_param_size ));
-
+
msg_Dbg( p_aout, STREAM_FORMAT_MSG( "we set the AU format: " , DeviceFormat ) );
-
- /* Retrieve actual format??? */
+
+ /* Retrieve actual format */
verify_noerr( AudioUnitGetProperty( p_sys->au_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input,
0,
&DeviceFormat,
&i_param_size ));
-
+
msg_Dbg( p_aout, STREAM_FORMAT_MSG( "the actual set AU format is " , DeviceFormat ) );
+ /* Do the last VLC aout setups */
+ aout_FormatPrepare( &p_aout->output.output );
p_aout->output.i_nb_samples = 2048;
aout_VolumeSoftInit( p_aout );
- /* Let's pray for the following operation to be atomic... */
- p_sys->clock_diff = - (mtime_t)
- AudioConvertHostTimeToNanos( AudioGetCurrentHostTime() ) / 1000;
- p_sys->clock_diff += mdate();
-
- p_sys->i_read_bytes = 0;
- p_sys->i_total_bytes = 0;
-
/* set the IOproc callback */
- AURenderCallbackStruct input;
input.inputProc = (AURenderCallback) RenderCallbackAnalog;
input.inputProcRefCon = p_aout;
-
+
verify_noerr( AudioUnitSetProperty( p_sys->au_unit,
kAudioUnitProperty_SetRenderCallback,
kAudioUnitScope_Input,
input.inputProc = (AURenderCallback) RenderCallbackAnalog;
input.inputProcRefCon = p_aout;
-
- /* Set the new_layout as the layout VLC feeds to the AU unit */
+
+ /* Set the new_layout as the layout VLC will use to feed the AU unit */
verify_noerr( AudioUnitSetProperty( p_sys->au_unit,
kAudioUnitProperty_AudioChannelLayout,
kAudioUnitScope_Input,
0, &new_layout, sizeof(new_layout) ) );
-
+
+ if( new_layout.mNumberChannelDescriptions > 0 )
+ free( new_layout.mChannelDescriptions );
+
/* AU initiliaze */
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;
+ p_sys->clock_diff += mdate();
+
+ /* Start the AU */
verify_noerr( AudioOutputUnitStart(p_sys->au_unit) );
-
+
return VLC_TRUE;
}
/*****************************************************************************
* Setup a encoded digital stream (SPDIF)
*****************************************************************************/
-int OpenSPDIF( aout_instance_t * p_aout )
+static int OpenSPDIF( aout_instance_t * p_aout )
{
- OSStatus err = noErr;
- UInt32 i, i_param_size;
- AudioDeviceID devid_def;
- AudioDeviceID *p_devices = NULL;
- vlc_value_t val, text;
-
- struct aout_sys_t *p_sys = p_aout->output.p_sys;
+ struct aout_sys_t *p_sys = p_aout->output.p_sys;
+ OSStatus err = noErr;
+ UInt32 i_param_size = 0, b_mix = 0;
+ Boolean b_writeable = VLC_FALSE;
+ AudioStreamID *p_streams = NULL;
+ int i = 0, i_streams = 0;
/* Start doing the SPDIF setup proces */
p_sys->b_digital = VLC_TRUE;
- p_aout->output.output.i_format = VLC_FOURCC('s','p','d','i');
- msg_Dbg( p_aout, "we found a digital stream, and we WANT a digital stream" );
-
- return VLC_FALSE;
-error:
- return VLC_FALSE;
+ /* Hog the device */
+ i_param_size = sizeof( p_sys->i_hog_pid );
+ p_sys->i_hog_pid = getpid() ;
+
+ err = AudioDeviceSetProperty( p_sys->i_selected_dev, 0, 0, FALSE,
+ kAudioDevicePropertyHogMode, i_param_size, &p_sys->i_hog_pid );
+
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "failed to set hogmode: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ /* Set mixable to false if we are allowed to */
+ err = AudioDeviceGetPropertyInfo( p_sys->i_selected_dev, 0, FALSE, kAudioDevicePropertySupportsMixing,
+ &i_param_size, &b_writeable );
+
+ err = AudioDeviceGetProperty( p_sys->i_selected_dev, 0, FALSE, kAudioDevicePropertySupportsMixing,
+ &i_param_size, &b_mix );
+
+ if( !err && b_writeable )
+ {
+ b_mix = 0;
+ err = AudioDeviceSetProperty( p_sys->i_selected_dev, 0, 0, FALSE,
+ kAudioDevicePropertySupportsMixing, i_param_size, &b_mix );
+ p_sys->b_changed_mixing = VLC_TRUE;
+ }
+
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "failed to set mixmode: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ /* Get a list of all the streams on this device */
+ err = AudioDeviceGetPropertyInfo( p_sys->i_selected_dev, 0, FALSE,
+ kAudioDevicePropertyStreams,
+ &i_param_size, NULL );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get number of streams: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ i_streams = i_param_size / sizeof( AudioStreamID );
+ p_streams = (AudioStreamID *)malloc( i_param_size );
+ if( p_streams == NULL )
+ {
+ msg_Err( p_aout, "out of memory" );
+ return VLC_FALSE;
+ }
+
+ err = AudioDeviceGetProperty( p_sys->i_selected_dev, 0, FALSE,
+ kAudioDevicePropertyStreams,
+ &i_param_size, p_streams );
+
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get number of streams: [%4.4s]", (char *)&err );
+ if( p_streams ) free( p_streams );
+ return VLC_FALSE;
+ }
+
+ for( i = 0; i < i_streams && p_sys->i_stream_index < 0 ; i++ )
+ {
+ /* Find a stream with a cac3 stream */
+ AudioStreamBasicDescription *p_format_list = NULL;
+ int i_formats = 0, j = 0;
+ vlc_bool_t b_digital = VLC_FALSE;
+
+ /* Retrieve all the stream formats supported by each output stream */
+ err = AudioStreamGetPropertyInfo( p_streams[i], 0,
+ kAudioStreamPropertyPhysicalFormats,
+ &i_param_size, NULL );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get number of streamformats: [%4.4s]", (char *)&err );
+ continue;
+ }
+
+ i_formats = i_param_size / sizeof( AudioStreamBasicDescription );
+ p_format_list = (AudioStreamBasicDescription *)malloc( i_param_size );
+ if( p_format_list == NULL )
+ {
+ msg_Err( p_aout, "could not malloc the memory" );
+ continue;
+ }
+
+ err = AudioStreamGetProperty( p_streams[i], 0,
+ kAudioStreamPropertyPhysicalFormats,
+ &i_param_size, p_format_list );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get the list of streamformats: [%4.4s]", (char *)&err );
+ if( p_format_list) free( p_format_list);
+ continue;
+ }
+
+ /* Check if one of the supported formats is a digital format */
+ for( j = 0; j < i_formats; j++ )
+ {
+ if( p_format_list[j].mFormatID == 'IAC3' ||
+ p_format_list[j].mFormatID == kAudioFormat60958AC3 )
+ {
+ b_digital = VLC_TRUE;
+ break;
+ }
+ }
+
+ 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;
+ int i_backup_rate_format = -1;
+
+ p_sys->i_stream_id = p_streams[i];
+ p_sys->i_stream_index = i;
+
+ if( p_sys->b_revert == VLC_FALSE )
+ {
+ /* Retrieve the original format of this stream first if not done so already */
+ i_param_size = sizeof( p_sys->sfmt_revert );
+ err = AudioStreamGetProperty( p_sys->i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ &i_param_size,
+ &p_sys->sfmt_revert );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not retrieve the original streamformat: [%4.4s]", (char *)&err );
+ continue;
+ }
+ p_sys->b_revert = VLC_TRUE;
+ }
+
+ for( j = 0; j < i_formats; j++ )
+ {
+ if( p_format_list[j].mFormatID == 'IAC3' ||
+ p_format_list[j].mFormatID == kAudioFormat60958AC3 )
+ {
+ if( p_format_list[j].mSampleRate == p_aout->output.output.i_rate )
+ {
+ i_requested_rate_format = j;
+ break;
+ }
+ else if( p_format_list[j].mSampleRate == p_sys->sfmt_revert.mSampleRate )
+ {
+ i_current_rate_format = j;
+ }
+ else
+ {
+ if( i_backup_rate_format < 0 || p_format_list[j].mSampleRate > p_format_list[i_backup_rate_format].mSampleRate )
+ i_backup_rate_format = j;
+ }
+ }
+
+ }
+
+ 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];
+ 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];
+ else p_sys->stream_format = p_format_list[i_backup_rate_format]; /* And if we have to, any digital format will be just fine (highest rate possible) */
+ }
+ if( p_format_list ) free( p_format_list );
+ }
+ if( p_streams ) free( p_streams );
+
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "original stream format: ", p_sys->sfmt_revert ) );
+
+ if( !AudioStreamChangeFormat( p_aout, p_sys->i_stream_id, p_sys->stream_format ) )
+ return VLC_FALSE;
+
+ /* Set the format flags */
+ if( p_sys->stream_format.mFormatFlags & kAudioFormatFlagIsBigEndian )
+ p_aout->output.output.i_format = VLC_FOURCC('s','p','d','b');
+ else
+ p_aout->output.output.i_format = VLC_FOURCC('s','p','d','i');
+ p_aout->output.output.i_bytes_per_frame = AOUT_SPDIF_SIZE;
+ p_aout->output.output.i_frame_length = A52_FRAME_NB;
+ p_aout->output.i_nb_samples = p_aout->output.output.i_frame_length;
+ p_aout->output.output.i_rate = (unsigned int)p_sys->stream_format.mSampleRate;
+ aout_FormatPrepare( &p_aout->output.output );
+ aout_VolumeNoneInit( p_aout );
+
+ /* Add IOProc callback */
+ err = AudioDeviceAddIOProc( p_sys->i_selected_dev,
+ (AudioDeviceIOProc)RenderCallbackSPDIF,
+ (void *)p_aout );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceAddIOProc failed: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ /* Check for the difference between the Device clock and mdate */
+ p_sys->clock_diff = - (mtime_t)
+ AudioConvertHostTimeToNanos( AudioGetCurrentHostTime() ) / 1000;
+ p_sys->clock_diff += mdate();
+
+ /* Start device */
+ err = AudioDeviceStart( p_sys->i_selected_dev, (AudioDeviceIOProc)RenderCallbackSPDIF );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceStart failed: [%4.4s]", (char *)&err );
+
+ err = AudioDeviceRemoveIOProc( p_sys->i_selected_dev,
+ (AudioDeviceIOProc)RenderCallbackSPDIF );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceRemoveIOProc failed: [%4.4s]", (char *)&err );
+ }
+ return VLC_FALSE;
+ }
+
+ return VLC_TRUE;
}
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
struct aout_sys_t *p_sys = p_aout->output.p_sys;
-
+ OSStatus err = noErr;
+ UInt32 i_param_size = 0;
+
if( p_sys->au_unit )
{
verify_noerr( AudioOutputUnitStop( p_sys->au_unit ) );
verify_noerr( AudioUnitUninitialize( p_sys->au_unit ) );
verify_noerr( CloseComponent( p_sys->au_unit ) );
}
- free( p_sys );
+
+ if( p_sys->b_digital )
+ {
+ /* Stop device */
+ err = AudioDeviceStop( p_sys->i_selected_dev,
+ (AudioDeviceIOProc)RenderCallbackSPDIF );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceStop failed: [%4.4s]", (char *)&err );
+ }
+
+ /* Remove IOProc callback */
+ err = AudioDeviceRemoveIOProc( p_sys->i_selected_dev,
+ (AudioDeviceIOProc)RenderCallbackSPDIF );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioDeviceRemoveIOProc failed: [%4.4s]", (char *)&err );
+ }
+
+ if( p_sys->b_revert )
+ {
+ AudioStreamChangeFormat( p_aout, p_sys->i_stream_id, p_sys->sfmt_revert );
+ }
+
+ if( p_sys->b_changed_mixing && p_sys->sfmt_revert.mFormatID != kAudioFormat60958AC3 )
+ {
+ int b_mix;
+ Boolean b_writeable;
+ /* Revert mixable to true if we are allowed to */
+ err = AudioDeviceGetPropertyInfo( p_sys->i_selected_dev, 0, FALSE, kAudioDevicePropertySupportsMixing,
+ &i_param_size, &b_writeable );
+
+ err = AudioDeviceGetProperty( p_sys->i_selected_dev, 0, FALSE, kAudioDevicePropertySupportsMixing,
+ &i_param_size, &b_mix );
+
+ if( !err && b_writeable )
+ {
+ msg_Dbg( p_aout, "mixable is: %d", b_mix );
+ b_mix = 1;
+ err = AudioDeviceSetProperty( p_sys->i_selected_dev, 0, 0, FALSE,
+ kAudioDevicePropertySupportsMixing, i_param_size, &b_mix );
+ }
+
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "failed to set mixmode: [%4.4s]", (char *)&err );
+ }
+ }
+ }
+
+ err = AudioHardwareRemovePropertyListener( kAudioHardwarePropertyDevices,
+ HardwareListener );
+
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioHardwareRemovePropertyListener failed: [%4.4s]", (char *)&err );
+ }
+
+ if( p_sys->i_hog_pid == getpid() )
+ {
+ p_sys->i_hog_pid = -1;
+ i_param_size = sizeof( p_sys->i_hog_pid );
+ err = AudioDeviceSetProperty( p_sys->i_selected_dev, 0, 0, FALSE,
+ kAudioDevicePropertyHogMode, i_param_size, &p_sys->i_hog_pid );
+ if( err != noErr ) msg_Err( p_aout, "Could not release hogmode: [%4.4s]", (char *)&err );
+ }
+
+ if( p_sys ) free( p_sys );
}
/*****************************************************************************
/*****************************************************************************
- * Probe
+ * Probe: Check which devices the OS has, and add them to our audio-device menu
*****************************************************************************/
static void Probe( aout_instance_t * p_aout )
{
&i_param_size, NULL );
if( err != noErr )
{
- msg_Err( p_aout, "could not get number of devices: [%4.4s]", (char *)&err );
+ msg_Err( p_aout, "Could not get number of devices: [%4.4s]", (char *)&err );
goto error;
}
if( p_sys->i_devices < 1 )
{
- msg_Err( p_aout, "no devices found" );
+ msg_Err( p_aout, "No audio output devices were found." );
goto error;
}
&i_param_size, p_devices );
if( err != noErr )
{
- msg_Err( p_aout, "could not get the device ID's: [%4.4s]", (char *)&err );
+ msg_Err( p_aout, "could not get the device IDs: [%4.4s]", (char *)&err );
goto error;
}
goto error;
}
p_sys->i_default_dev = devid_def;
-
+
var_Create( p_aout, "audio-device", VLC_VAR_INTEGER|VLC_VAR_HASCHOICE );
text.psz_string = _("Audio Device");
var_Change( p_aout, "audio-device", VLC_VAR_SETTEXT, &text, NULL );
-
+
for( i = 0; i < p_sys->i_devices; i++ )
{
char *psz_name;
&i_param_size, psz_name);
if( err ) goto error;
- msg_Dbg( p_aout, "DevID: %lu DevName: %s", p_devices[i], psz_name );
+ msg_Dbg( p_aout, "DevID: %#lx DevName: %s", p_devices[i], psz_name );
if( !AudioDeviceHasOutput( p_devices[i]) )
{
continue;
}
+ /* Add the menu entries */
val.i_int = (int)p_devices[i];
text.psz_string = strdup( psz_name );
var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
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 );
}
- if( AudioDeviceSupportsDigital( p_aout, p_devices[i]) )
+ if( AudioDeviceSupportsDigital( p_aout, p_devices[i] ) )
{
val.i_int = (int)p_devices[i] | AOUT_VAR_SPDIF_FLAG;
- asprintf( &text.psz_string, "%s (Encoded Output)", psz_name );
+ asprintf( &text.psz_string, _("%s (Encoded Output)"), psz_name );
var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
if( p_sys->i_default_dev == p_devices[i] && config_GetInt( 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 );
}
}
-
+
free( psz_name);
}
- var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
-
- /* attach a Listener so that we are notified of a change in the Device setup */
+
+ /* 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 );
+ }
+
+ /* 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 = AudioHardwareAddPropertyListener( kAudioHardwarePropertyDevices,
- HardwareListener,
+ HardwareListener,
(void *)p_aout );
if( err )
goto error;
- msg_Dbg( p_aout, "succesful finish of deviceslist" );
if( p_devices ) free( p_devices );
return;
return;
}
+/*****************************************************************************
+ * AudioDeviceHasOutput: Checks if the Device actually provides any outputs at all
+ *****************************************************************************/
+static int AudioDeviceHasOutput( AudioDeviceID i_dev_id )
+{
+ UInt32 dataSize;
+ Boolean isWritable;
+
+ verify_noerr( AudioDeviceGetPropertyInfo( i_dev_id, 0, FALSE, kAudioDevicePropertyStreams, &dataSize, &isWritable) );
+ if (dataSize == 0) return FALSE;
+
+ return TRUE;
+}
+
/*****************************************************************************
* AudioDeviceSupportsDigital: Check i_dev_id for digital stream support.
*****************************************************************************/
-int AudioDeviceSupportsDigital( aout_instance_t *p_aout, AudioDeviceID i_dev_id )
+static int AudioDeviceSupportsDigital( aout_instance_t *p_aout, AudioDeviceID i_dev_id )
{
OSStatus err = noErr;
UInt32 i_param_size = 0;
- AudioStreamBasicDescription *p_format_list = NULL;
AudioStreamID *p_streams = NULL;
- int i = 0, j = 0;
- int i_formats = 0, i_streams = 0;
+ int i = 0, i_streams = 0;
vlc_bool_t b_return = VLC_FALSE;
-
+
/* Retrieve all the output streams */
err = AudioDeviceGetPropertyInfo( i_dev_id, 0, FALSE,
kAudioDevicePropertyStreams,
msg_Err( p_aout, "could not get number of streams: [%4.4s]", (char *)&err );
return VLC_FALSE;
}
-
+
i_streams = i_param_size / sizeof( AudioStreamID );
p_streams = (AudioStreamID *)malloc( i_param_size );
if( p_streams == NULL )
{
- msg_Err( p_aout, "Out of memory" );
+ msg_Err( p_aout, "out of memory" );
return VLC_ENOMEM;
}
-
+
err = AudioDeviceGetProperty( i_dev_id, 0, FALSE,
kAudioDevicePropertyStreams,
&i_param_size, p_streams );
-
+
if( err != noErr )
{
msg_Err( p_aout, "could not get number of streams: [%4.4s]", (char *)&err );
for( i = 0; i < i_streams; i++ )
{
+ if( AudioStreamSupportsDigital( p_aout, p_streams[i] ) )
+ b_return = VLC_TRUE;
+ }
+
+ if( p_streams ) free( p_streams );
+ return b_return;
+}
+
+/*****************************************************************************
+ * AudioStreamSupportsDigital: Check i_stream_id for digital stream support.
+ *****************************************************************************/
+static int AudioStreamSupportsDigital( aout_instance_t *p_aout, AudioStreamID i_stream_id )
+{
+ OSStatus err = noErr;
+ UInt32 i_param_size = 0;
+ AudioStreamBasicDescription *p_format_list = NULL;
+ int i = 0, i_formats = 0;
+ vlc_bool_t b_return = VLC_FALSE;
+
+ /* Retrieve all the stream formats supported by each output stream */
+ err = AudioStreamGetPropertyInfo( i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormats,
+ &i_param_size, NULL );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get number of streamformats: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ i_formats = i_param_size / sizeof( AudioStreamBasicDescription );
+ p_format_list = (AudioStreamBasicDescription *)malloc( i_param_size );
+ if( p_format_list == NULL )
+ {
+ msg_Err( p_aout, "could not malloc the memory" );
+ return VLC_FALSE;
+ }
+
+ err = AudioStreamGetProperty( i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormats,
+ &i_param_size, p_format_list );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not get the list of streamformats: [%4.4s]", (char *)&err );
+ free( p_format_list);
p_format_list = NULL;
- i_formats = 0;
- msg_Dbg( p_aout, "retrieving formats for stream: %#lx", p_streams[i] );
+ return VLC_FALSE;
+ }
- /* Retrieve all the stream formats supported by each output stream */
- err = AudioStreamGetPropertyInfo( p_streams[i], 0,
- kAudioDevicePropertyStreamFormats,
- &i_param_size, NULL );
- if( err != noErr )
- {
- msg_Err( p_aout, "could not get number of streamformats: [%4.4s]", (char *)&err );
- break;
- }
-
- i_formats = i_param_size / sizeof( AudioStreamBasicDescription );
- p_format_list = (AudioStreamBasicDescription *)malloc( i_param_size );
- if( p_format_list == NULL )
+ for( i = 0; i < i_formats; i++ )
+ {
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "supported format: ", p_format_list[i] ) );
+
+ if( p_format_list[i].mFormatID == 'IAC3' ||
+ p_format_list[i].mFormatID == kAudioFormat60958AC3 )
{
- break;
+ b_return = VLC_TRUE;
}
-
- err = AudioStreamGetProperty( p_streams[i], 0,
- kAudioDevicePropertyStreamFormats,
- &i_param_size, p_format_list );
- if( err != noErr )
+ }
+
+ if( p_format_list ) free( p_format_list );
+ return b_return;
+}
+
+/*****************************************************************************
+ * AudioStreamChangeFormat: Change i_stream_id to change_format
+ *****************************************************************************/
+static int AudioStreamChangeFormat( aout_instance_t *p_aout, AudioStreamID i_stream_id, AudioStreamBasicDescription change_format )
+{
+ OSStatus err = noErr;
+ UInt32 i_param_size = 0;
+ int i;
+
+ struct timeval now;
+ struct timespec timeout;
+ struct { vlc_mutex_t lock; vlc_cond_t cond; } w;
+
+ msg_Dbg( p_aout, STREAM_FORMAT_MSG( "setting stream format: ", change_format ) );
+
+ /* Condition because SetProperty is asynchronious */
+ vlc_cond_init( p_aout, &w.cond );
+ vlc_mutex_init( p_aout, &w.lock );
+ vlc_mutex_lock( &w.lock );
+
+ /* Install the callback */
+ err = AudioStreamAddPropertyListener( i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ StreamListener, (void *)&w );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioStreamAddPropertyListener failed: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ /* change the format */
+ err = AudioStreamSetProperty( i_stream_id, 0, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ sizeof( AudioStreamBasicDescription ),
+ &change_format );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "could not set the stream format: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ /* The AudioStreamSetProperty is not only asynchronious (requiring the locks)
+ * 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( i = 0; i < 5; i++ )
+ {
+ AudioStreamBasicDescription actual_format;
+
+ gettimeofday( &now, NULL );
+ timeout.tv_sec = now.tv_sec;
+ timeout.tv_nsec = (now.tv_usec + 500000) * 1000;
+
+ if( pthread_cond_timedwait( &w.cond.cond, &w.lock.mutex, &timeout ) )
{
- msg_Err( p_aout, "could not get the list of streamformats: [%4.4s]", (char *)&err );
- free( p_format_list);
- break;
+ msg_Dbg( p_aout, "reached timeout" );
}
- for( j = 0; j < i_formats; j++ )
+ i_param_size = sizeof( AudioStreamBasicDescription );
+ err = AudioStreamGetProperty( i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ &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 &&
+ actual_format.mFormatID == change_format.mFormatID &&
+ actual_format.mFramesPerPacket == change_format.mFramesPerPacket )
{
- msg_Dbg( p_aout, STREAM_FORMAT_MSG( "supported format", p_format_list[j] ) );
-
- if( p_format_list[j].mFormatID == 'IAC3' ||
- p_format_list[j].mFormatID == kAudioFormat60958AC3 )
- {
- b_return = VLC_TRUE;
- msg_Dbg( p_aout, "this device supports a digital stream" );
- break;
- }
+ /* The right format is now active */
+ break;
}
-
- if( p_format_list ) free( p_format_list );
+ /* We need to check again */
}
-
- if( p_streams ) free( p_streams );
- return b_return;
+
+ /* Removing the property listener */
+ err = AudioStreamRemovePropertyListener( i_stream_id, 0,
+ kAudioStreamPropertyPhysicalFormat,
+ StreamListener );
+ if( err != noErr )
+ {
+ msg_Err( p_aout, "AudioStreamRemovePropertyListener failed: [%4.4s]", (char *)&err );
+ return VLC_FALSE;
+ }
+
+ /* Destroy the lock and condition */
+ vlc_mutex_unlock( &w.lock );
+ vlc_mutex_destroy( &w.lock );
+ vlc_cond_destroy( &w.cond );
+
+ return VLC_TRUE;
}
/*****************************************************************************
{
AudioTimeStamp host_time;
mtime_t current_date = 0;
- uint32_t i_mData_bytes = 0;
+ uint32_t i_mData_bytes = 0;
aout_instance_t * p_aout = (aout_instance_t *)_p_aout;
struct aout_sys_t * p_sys = p_aout->output.p_sys;
host_time.mFlags = kAudioTimeStampHostTimeValid;
AudioDeviceTranslateTime( p_sys->i_selected_dev, inTimeStamp, &host_time );
+ /* Check for the difference between the Device clock and mdate */
p_sys->clock_diff = - (mtime_t)
- AudioConvertHostTimeToNanos( AudioGetCurrentHostTime() ) / 1000;
+ AudioConvertHostTimeToNanos( AudioGetCurrentHostTime() ) / 1000;
p_sys->clock_diff += mdate();
current_date = p_sys->clock_diff +
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 );
- p_aout->p_vlc->pf_memcpy( ioData->mBuffers[0].mData, &p_sys->p_remainder_buffer[p_sys->i_read_bytes], i_mData_bytes );
+ p_aout->p_libvlc->pf_memcpy( ioData->mBuffers[0].mData, &p_sys->p_remainder_buffer[p_sys->i_read_bytes], i_mData_bytes );
p_sys->i_read_bytes += i_mData_bytes;
current_date += (mtime_t) ( (mtime_t) 1000000 / p_aout->output.output.i_rate ) *
( i_mData_bytes / 4 / aout_FormatNbChannels( &p_aout->output.output ) ); // 4 is fl32 specific
-
+
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 )
{
/* We don't have enough data yet */
aout_buffer_t * p_buffer;
p_buffer = aout_OutputNextBuffer( p_aout, current_date , VLC_FALSE );
-
+
if( p_buffer != NULL )
{
uint32_t i_second_mData_bytes = __MIN( p_buffer->i_nb_bytes, ioData->mBuffers[0].mDataByteSize - i_mData_bytes );
-
- p_aout->p_vlc->pf_memcpy( (uint8_t *)ioData->mBuffers[0].mData + i_mData_bytes, p_buffer->p_buffer, i_second_mData_bytes );
+
+ p_aout->p_libvlc->pf_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 )
{
p_sys->i_total_bytes = p_buffer->i_nb_bytes - i_second_mData_bytes;
- p_aout->p_vlc->pf_memcpy( p_sys->p_remainder_buffer, &p_buffer->p_buffer[i_second_mData_bytes], p_sys->i_total_bytes );
+ p_aout->p_libvlc->pf_memcpy( p_sys->p_remainder_buffer, &p_buffer->p_buffer[i_second_mData_bytes], p_sys->i_total_bytes );
}
else
{
- // update current_date
+ /* update current_date */
current_date += (mtime_t) ( (mtime_t) 1000000 / p_aout->output.output.i_rate ) *
( i_second_mData_bytes / 4 / aout_FormatNbChannels( &p_aout->output.output ) ); // 4 is fl32 specific
}
}
else
{
- p_aout->p_vlc->pf_memset( (uint8_t *)ioData->mBuffers[0].mData +i_mData_bytes, 0, ioData->mBuffers[0].mDataByteSize - i_mData_bytes );
+ p_aout->p_libvlc->pf_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 );
}
-int AudioDeviceHasOutput( AudioDeviceID i_dev_id )
+/*****************************************************************************
+ * RenderCallbackSPDIF: callback for SPDIF audio output
+ *****************************************************************************/
+static OSStatus RenderCallbackSPDIF( AudioDeviceID inDevice,
+ const AudioTimeStamp * inNow,
+ const void * inInputData,
+ const AudioTimeStamp * inInputTime,
+ AudioBufferList * outOutputData,
+ const AudioTimeStamp * inOutputTime,
+ void * threadGlobals )
{
- UInt32 dataSize;
- Boolean isWritable;
-
- verify_noerr( AudioDeviceGetPropertyInfo( i_dev_id, 0, FALSE, kAudioDevicePropertyStreams, &dataSize, &isWritable) );
- if (dataSize == 0) return FALSE;
-
- return TRUE;
+ aout_buffer_t * p_buffer;
+ mtime_t current_date;
+
+ aout_instance_t * p_aout = (aout_instance_t *)threadGlobals;
+ struct aout_sys_t * p_sys = p_aout->output.p_sys;
+
+ /* Check for the difference between the Device clock and mdate */
+ p_sys->clock_diff = - (mtime_t)
+ AudioConvertHostTimeToNanos( inNow->mHostTime ) / 1000;
+ p_sys->clock_diff += mdate();
+
+ current_date = p_sys->clock_diff +
+ AudioConvertHostTimeToNanos( inOutputTime->mHostTime ) / 1000;
+ //- ((mtime_t) 1000000 / p_aout->output.output.i_rate * 31 ); // 31 = Latency in Frames. retrieve somewhere
+
+ p_buffer = aout_OutputNextBuffer( p_aout, current_date, VLC_TRUE );
+
+#define BUFFER outOutputData->mBuffers[p_sys->i_stream_index]
+ if( p_buffer != NULL )
+ {
+ if( (int)BUFFER.mDataByteSize != (int)p_buffer->i_nb_bytes)
+ msg_Warn( p_aout, "bytesize: %d nb_bytes: %d", (int)BUFFER.mDataByteSize, (int)p_buffer->i_nb_bytes );
+
+ /* move data into output data buffer */
+ p_aout->p_libvlc->pf_memcpy( BUFFER.mData,
+ p_buffer->p_buffer, p_buffer->i_nb_bytes );
+ aout_BufferFree( p_buffer );
+ }
+ else
+ {
+ p_aout->p_libvlc->pf_memset( BUFFER.mData, 0, BUFFER.mDataByteSize );
+ }
+#undef BUFFER
+
+ return( noErr );
}
/*****************************************************************************
/* something changed in the list of devices */
/* We trigger the audio-device's aout_ChannelsRestart callback */
var_Change( p_aout, "audio-device", VLC_VAR_TRIGGER_CALLBACKS, NULL, NULL );
+ var_Destroy( p_aout, "audio-device" );
}
break;
}
return( err );
}
+
+/*****************************************************************************
+ * StreamListener
+ *****************************************************************************/
+static OSStatus StreamListener( AudioStreamID inStream,
+ UInt32 inChannel,
+ AudioDevicePropertyID inPropertyID,
+ void * inClientData )
+{
+ OSStatus err = noErr;
+ struct { vlc_mutex_t lock; vlc_cond_t cond; } * w = inClientData;
+
+ switch( inPropertyID )
+ {
+ case kAudioStreamPropertyPhysicalFormat:
+ vlc_mutex_lock( &w->lock );
+ vlc_cond_signal( &w->cond );
+ vlc_mutex_unlock( &w->lock );
+ break;
+
+ default:
+ break;
+ }
+ return( err );
+}
+
+/*****************************************************************************
+ * AudioDeviceCallback: Callback triggered when the audio-device variable is changed
+ *****************************************************************************/
+static int AudioDeviceCallback( vlc_object_t *p_this, const char *psz_variable,
+ vlc_value_t old_val, vlc_value_t new_val, void *param )
+{
+ aout_instance_t *p_aout = (aout_instance_t *)p_this;
+ var_Set( p_aout->p_libvlc, "macosx-audio-device", new_val );
+ msg_Dbg( p_aout, "Set Device: %#x", new_val.i_int );
+ return aout_ChannelsRestart( p_this, psz_variable, old_val, new_val, param );
+}
+
projects / vlc / blobdiff