audio_coreaudio_out.c File Reference

#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <math.h>
#include <unistd.h>
#include <inttypes.h>
#include <xine/xine_internal.h>
#include <xine/xineutils.h>
#include <xine/audio_out.h>
#include <CoreAudio/CoreAudio.h>
#include <CoreAudio/CoreAudioTypes.h>
#include <AudioUnit/AUComponent.h>
#include <AudioUnit/AudioUnitProperties.h>
#include <AudioUnit/AudioUnitParameters.h>
#include <AudioUnit/AudioOutputUnit.h>
#include <CoreServices/CoreServices.h>

Data Structures
struct	coreaudio_driver_s
struct	coreaudio_class_t

Macros
#define	AO_OUT_COREAUDIO_IFACE_VERSION   9
#define	GAP_TOLERANCE   AO_MAX_GAP
#define	BUFSIZE   30720
#define	BUFFER_TIMEOUT   1

Typedefs
typedef struct coreaudio_driver_s	coreaudio_driver_t

Functions
void	set_to_future (struct timespec *spec)
static OSStatus	ao_coreaudio_render_proc (coreaudio_driver_t *this, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, unsigned int inBusNumber, unsigned int inNumberFrames, AudioBufferList *ioData)
static int	ao_coreaudio_open (ao_driver_t *this_gen, uint32_t bits, uint32_t rate, int mode)
static int	ao_coreaudio_num_channels (ao_driver_t *this_gen)
static int	ao_coreaudio_bytes_per_frame (ao_driver_t *this_gen)
static int	ao_coreaudio_get_gap_tolerance (ao_driver_t *this_gen)
static int	ao_coreaudio_write (ao_driver_t *this_gen, int16_t *data, uint32_t num_frames)
static int	ao_coreaudio_delay (ao_driver_t *this_gen)
static void	ao_coreaudio_close (ao_driver_t *this_gen)
static uint32_t	ao_coreaudio_get_capabilities (ao_driver_t *this_gen)
static void	ao_coreaudio_exit (ao_driver_t *this_gen)
static int	ao_coreaudio_get_property (ao_driver_t *this_gen, int property)
static int	ao_coreaudio_set_property (ao_driver_t *this_gen, int property, int value)
static int	ao_coreaudio_ctrl (ao_driver_t *this_gen, int cmd,...)
static ao_driver_t *	open_plugin (audio_driver_class_t *class_gen, const void *data)
static void *	init_class (xine_t *xine, const void *data)

Variables
static const ao_info_t	ao_info_coreaudio
const plugin_info_t xine_plugin_info[]	EXPORTED

Macro Definition Documentation

AO_OUT_COREAUDIO_IFACE_VERSION

#define AO_OUT_COREAUDIO_IFACE_VERSION   9

BUFFER_TIMEOUT

#define BUFFER_TIMEOUT   1

BUFSIZE

#define BUFSIZE   30720

GAP_TOLERANCE

#define GAP_TOLERANCE   AO_MAX_GAP

Typedef Documentation

coreaudio_driver_t

typedef struct coreaudio_driver_s coreaudio_driver_t

Function Documentation

ao_coreaudio_bytes_per_frame()

static int ao_coreaudio_bytes_per_frame ( ao_driver_t *  this_gen )

static

Referenced by open_plugin().

ao_coreaudio_close()

static void ao_coreaudio_close ( ao_driver_t *  this_gen )

static

References NULL.

Referenced by ao_coreaudio_exit(), and open_plugin().

ao_coreaudio_ctrl()

static int ao_coreaudio_ctrl ( ao_driver_t *  this_gen, int  cmd,   ...  )

static

References AO_CTRL_FLUSH_BUFFERS, AO_CTRL_PLAY_PAUSE, and AO_CTRL_PLAY_RESUME.

Referenced by open_plugin().

ao_coreaudio_delay()

static int ao_coreaudio_delay ( ao_driver_t *  this_gen )

static

Referenced by open_plugin().

ao_coreaudio_exit()

static void ao_coreaudio_exit ( ao_driver_t *  this_gen )

static

References ao_coreaudio_close().

Referenced by open_plugin().

ao_coreaudio_get_capabilities()

static uint32_t ao_coreaudio_get_capabilities ( ao_driver_t *  this_gen )

static

Referenced by open_plugin().

ao_coreaudio_get_gap_tolerance()

static int ao_coreaudio_get_gap_tolerance ( ao_driver_t *  this_gen )

static

References GAP_TOLERANCE.

Referenced by open_plugin().

ao_coreaudio_get_property()

static int ao_coreaudio_get_property ( ao_driver_t *  this_gen, int  property  )

static

References AO_PROP_MIXER_VOL, AO_PROP_MUTE_VOL, and AO_PROP_PCM_VOL.

Referenced by open_plugin().

ao_coreaudio_num_channels()

static int ao_coreaudio_num_channels ( ao_driver_t *  this_gen )

static

Referenced by open_plugin().

ao_coreaudio_open()

static int ao_coreaudio_open ( ao_driver_t *  this_gen, uint32_t  bits, uint32_t  rate, int  mode  )

static

References AO_CAP_16BITS, AO_CAP_MIXER_VOL, AO_CAP_MODE_MONO, AO_CAP_MODE_STEREO, ao_coreaudio_render_proc(), bits, input(), mode(), NULL, XINE_VERBOSITY_DEBUG, and xprintf.

Referenced by open_plugin().

ao_coreaudio_render_proc()

static OSStatus ao_coreaudio_render_proc ( coreaudio_driver_t *  this, AudioUnitRenderActionFlags *  ioActionFlags, const AudioTimeStamp *  inTimeStamp, unsigned int  inBusNumber, unsigned int  inNumberFrames, AudioBufferList *  ioData  )

static

References BUFSIZE, set_to_future(), and xine_fast_memcpy.

Referenced by ao_coreaudio_open().

ao_coreaudio_set_property()

static int ao_coreaudio_set_property ( ao_driver_t *  this_gen, int  property, int  value  )

static

References AO_PROP_MIXER_VOL, AO_PROP_MUTE_VOL, and AO_PROP_PCM_VOL.

Referenced by open_plugin().

ao_coreaudio_write()

static int ao_coreaudio_write ( ao_driver_t *  this_gen, int16_t *  data, uint32_t  num_frames  )

static

References BUFSIZE, set_to_future(), and xine_fast_memcpy.

Referenced by open_plugin().

init_class()

static void* init_class ( xine_t *  xine, const void *  data  )

static

References default_audio_driver_class_dispose, audio_driver_class_s::description, audio_driver_class_s::dispose, coreaudio_class_t::driver_class, audio_driver_class_s::identifier, lprintf, N_, NULL, audio_driver_class_s::open_plugin, open_plugin(), and coreaudio_class_t::xine.

open_plugin()

static ao_driver_t* open_plugin ( audio_driver_class_t *  class_gen, const void *  data  )

static

References AO_CAP_MODE_MONO, AO_CAP_MODE_STEREO, ao_coreaudio_bytes_per_frame(), ao_coreaudio_close(), ao_coreaudio_ctrl(), ao_coreaudio_delay(), ao_coreaudio_exit(), ao_coreaudio_get_capabilities(), ao_coreaudio_get_gap_tolerance(), ao_coreaudio_get_property(), ao_coreaudio_num_channels(), ao_coreaudio_open(), ao_coreaudio_set_property(), ao_coreaudio_write(), lprintf, NULL, and coreaudio_class_t::xine.

Referenced by init_class().

set_to_future()

void set_to_future ( struct timespec *  spec )

inline

References BUFFER_TIMEOUT, and NULL.

Referenced by ao_coreaudio_render_proc(), and ao_coreaudio_write().

Variable Documentation

ao_info_coreaudio

const ao_info_t ao_info_coreaudio

static

Initial value:

= {
  .priority = 1,
}

EXPORTED

const plugin_info_t xine_plugin_info [] EXPORTED

Initial value:

= {
  
  { PLUGIN_AUDIO_OUT,  9 , "coreaudio", XINE_VERSION_CODE, &ao_info_coreaudio, init_class },
  { PLUGIN_NONE, 0, NULL, 0, NULL, NULL }
}