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Functions | Variables
coreaudio.c File Reference
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "alMain.h"
#include "alu.h"
#include <CoreServices/CoreServices.h>
#include <unistd.h>
#include <AudioUnit/AudioUnit.h>
#include <AudioToolbox/AudioToolbox.h>

Go to the source code of this file.

Functions

void alc_ca_deinit (void)
 
ALCboolean alc_ca_init (BackendFuncs *func_list)
 
void alc_ca_probe (enum DevProbe type)
 
static AudioBufferList * allocate_buffer_list (UInt32 channelCount, UInt32 byteSize)
 
static ALCuint ca_available_samples (ALCdevice *device)
 
static OSStatus ca_callback (void *inRefCon, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList *ioData)
 
static OSStatus ca_capture_callback (void *inRefCon, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList *ioData)
 
static OSStatus ca_capture_conversion_callback (AudioConverterRef inAudioConverter, UInt32 *ioNumberDataPackets, AudioBufferList *ioData, AudioStreamPacketDescription **outDataPacketDescription, void *inUserData)
 
static ALCenum ca_capture_samples (ALCdevice *device, ALCvoid *buffer, ALCuint samples)
 
static void ca_close_capture (ALCdevice *device)
 
static void ca_close_playback (ALCdevice *device)
 
static ALCenum ca_open_capture (ALCdevice *device, const ALCchar *deviceName)
 
static ALCenum ca_open_playback (ALCdevice *device, const ALCchar *deviceName)
 
static ALCboolean ca_reset_playback (ALCdevice *device)
 
static void ca_start_capture (ALCdevice *device)
 
static ALCboolean ca_start_playback (ALCdevice *device)
 
static void ca_stop_capture (ALCdevice *device)
 
static void ca_stop_playback (ALCdevice *device)
 
static void destroy_buffer_list (AudioBufferList *list)
 

Variables

static const ALCchar ca_device [] = "CoreAudio Default"
 
static const BackendFuncs ca_funcs
 

Function Documentation

void alc_ca_deinit ( void  )

Definition at line 691 of file coreaudio.c.

ALCboolean alc_ca_init ( BackendFuncs *  func_list)

Definition at line 685 of file coreaudio.c.

References ALC_TRUE, and ca_funcs.

void alc_ca_probe ( enum DevProbe  type)

Definition at line 695 of file coreaudio.c.

References ALL_DEVICE_PROBE, AppendAllDevicesList(), AppendCaptureDeviceList(), ca_device, and CAPTURE_DEVICE_PROBE.

static AudioBufferList* allocate_buffer_list ( UInt32  channelCount,
UInt32  byteSize 
)
static

Definition at line 64 of file coreaudio.c.

References calloc, free, malloc, and NULL.

Referenced by ca_open_capture().

static ALCuint ca_available_samples ( ALCdevice *  device)
static

Definition at line 661 of file coreaudio.c.

References ALCdevice_struct::ExtraData, and RingBufferSize().

static OSStatus ca_callback ( void *  inRefCon,
AudioUnitRenderActionFlags *  ioActionFlags,
const AudioTimeStamp *  inTimeStamp,
UInt32  inBusNumber,
UInt32  inNumberFrames,
AudioBufferList *  ioData 
)
static

Definition at line 85 of file coreaudio.c.

References aluMixData(), and ALCdevice_struct::ExtraData.

Referenced by ca_reset_playback().

static OSStatus ca_capture_callback ( void *  inRefCon,
AudioUnitRenderActionFlags *  ioActionFlags,
const AudioTimeStamp *  inTimeStamp,
UInt32  inBusNumber,
UInt32  inNumberFrames,
AudioBufferList *  ioData 
)
static

Definition at line 115 of file coreaudio.c.

References ERR, ALCdevice_struct::ExtraData, and WriteRingBuffer().

Referenced by ca_open_capture().

static OSStatus ca_capture_conversion_callback ( AudioConverterRef  inAudioConverter,
UInt32 *  ioNumberDataPackets,
AudioBufferList *  ioData,
AudioStreamPacketDescription **  outDataPacketDescription,
void *  inUserData 
)
static

Definition at line 97 of file coreaudio.c.

References ALCdevice_struct::ExtraData, and ReadRingBuffer().

Referenced by ca_capture_samples().

static ALCenum ca_capture_samples ( ALCdevice *  device,
ALCvoid *  buffer,
ALCuint  samples 
)
static

Definition at line 629 of file coreaudio.c.

References ALC_INVALID_VALUE, ALC_NO_ERROR, ca_capture_conversion_callback(), ERR, ALCdevice_struct::ExtraData, and NULL.

static void ca_close_capture ( ALCdevice *  device)
static

Definition at line 598 of file coreaudio.c.

References destroy_buffer_list(), DestroyRingBuffer(), ALCdevice_struct::ExtraData, free, and NULL.

static void ca_close_playback ( ALCdevice *  device)
static

Definition at line 188 of file coreaudio.c.

References ALCdevice_struct::ExtraData, free, and NULL.

static ALCenum ca_open_capture ( ALCdevice *  device,
const ALCchar *  deviceName 
)
static

Definition at line 370 of file coreaudio.c.

References ALC_INVALID_VALUE, ALC_NO_ERROR, allocate_buffer_list(), ca_capture_callback(), calloc, comp(), CreateRingBuffer(), destroy_buffer_list(), DestroyRingBuffer(), DevFmtByte, DevFmtChannelsString(), DevFmtFloat, DevFmtInt, DevFmtMono, DevFmtQuad, DevFmtShort, DevFmtStereo, DevFmtTypeString(), DevFmtUByte, DevFmtUInt, DevFmtUShort, DevFmtX51, DevFmtX51Side, DevFmtX61, DevFmtX71, ERR, error, ALCdevice_struct::ExtraData, ALCdevice_struct::FmtChans, ALCdevice_struct::FmtType, FrameSizeFromDevFmt(), free, ALCdevice_struct::Frequency, malloc, NULL, ALCdevice_struct::NumUpdates, and ALCdevice_struct::UpdateSize.

static ALCenum ca_open_playback ( ALCdevice *  device,
const ALCchar *  deviceName 
)
static

Definition at line 137 of file coreaudio.c.

References ALC_INVALID_VALUE, ALC_NO_ERROR, ca_device, calloc, comp(), ALCdevice_struct::DeviceName, ERR, ALCdevice_struct::ExtraData, free, NULL, and strdup().

static ALCboolean ca_reset_playback ( ALCdevice *  device)
static

Definition at line 199 of file coreaudio.c.

References ALC_FALSE, ALC_TRUE, ca_callback(), DevFmtByte, DevFmtFloat, DevFmtInt, DevFmtMono, DevFmtQuad, DevFmtShort, DevFmtStereo, DevFmtUByte, DevFmtUInt, DevFmtUShort, DevFmtX51, DevFmtX61, DevFmtX71, ERR, ALCdevice_struct::ExtraData, ALCdevice_struct::FmtChans, ALCdevice_struct::FmtType, FrameSizeFromDevFmt(), ALCdevice_struct::Frequency, SetDefaultWFXChannelOrder(), TRACE, and ALCdevice_struct::UpdateSize.

static void ca_start_capture ( ALCdevice *  device)
static

Definition at line 613 of file coreaudio.c.

References ERR, and ALCdevice_struct::ExtraData.

static ALCboolean ca_start_playback ( ALCdevice *  device)
static

Definition at line 345 of file coreaudio.c.

References ALC_FALSE, ALC_TRUE, ERR, and ALCdevice_struct::ExtraData.

static void ca_stop_capture ( ALCdevice *  device)
static

Definition at line 621 of file coreaudio.c.

References ERR, and ALCdevice_struct::ExtraData.

static void ca_stop_playback ( ALCdevice *  device)
static

Definition at line 360 of file coreaudio.c.

References ERR, and ALCdevice_struct::ExtraData.

static void destroy_buffer_list ( AudioBufferList *  list)
static

Definition at line 53 of file coreaudio.c.

References free, and i.

Referenced by ca_close_capture(), and ca_open_capture().

Variable Documentation

const ALCchar ca_device[] = "CoreAudio Default"
static

Definition at line 50 of file coreaudio.c.

Referenced by alc_ca_probe(), and ca_open_playback().

const BackendFuncs ca_funcs
static
Initial value:
= {
ca_open_playback,
ca_close_playback,
ca_reset_playback,
ca_start_playback,
ca_stop_playback,
ca_open_capture,
ca_close_capture,
ca_start_capture,
ca_stop_capture,
ca_capture_samples,
ca_available_samples,
ALCdevice_LockDefault,
ALCdevice_UnlockDefault,
ALCdevice_GetLatencyDefault
}
ca_open_capture
static ALCenum ca_open_capture(ALCdevice *device, const ALCchar *deviceName)
Definition: coreaudio.c:370
ca_available_samples
static ALCuint ca_available_samples(ALCdevice *device)
Definition: coreaudio.c:661
ca_close_capture
static void ca_close_capture(ALCdevice *device)
Definition: coreaudio.c:598
ALCdevice_GetLatencyDefault
ALint64 ALCdevice_GetLatencyDefault(ALCdevice *device)
Definition: ALc.c:1285
ca_reset_playback
static ALCboolean ca_reset_playback(ALCdevice *device)
Definition: coreaudio.c:199
ca_stop_playback
static void ca_stop_playback(ALCdevice *device)
Definition: coreaudio.c:360
ca_start_capture
static void ca_start_capture(ALCdevice *device)
Definition: coreaudio.c:613
ca_stop_capture
static void ca_stop_capture(ALCdevice *device)
Definition: coreaudio.c:621
ca_open_playback
static ALCenum ca_open_playback(ALCdevice *device, const ALCchar *deviceName)
Definition: coreaudio.c:137
ALCdevice_LockDefault
void ALCdevice_LockDefault(ALCdevice *device)
Definition: ALc.c:1277
ca_start_playback
static ALCboolean ca_start_playback(ALCdevice *device)
Definition: coreaudio.c:345
ca_close_playback
static void ca_close_playback(ALCdevice *device)
Definition: coreaudio.c:188
ca_capture_samples
static ALCenum ca_capture_samples(ALCdevice *device, ALCvoid *buffer, ALCuint samples)
Definition: coreaudio.c:629
ALCdevice_UnlockDefault
void ALCdevice_UnlockDefault(ALCdevice *device)
Definition: ALc.c:1281

Definition at line 668 of file coreaudio.c.

Referenced by alc_ca_init().