audiooutputca.cpp File Reference

#include <array>
#include <cmath>
#include <thread>
#include <vector>
#include <CoreServices/CoreServices.h>
#include <CoreAudio/CoreAudio.h>
#include <AudioUnit/AudioUnit.h>
#include <AudioToolbox/AudioFormat.h>
#include <AvailabilityMacros.h>
#include "libmythbase/mythcorecontext.h"
#include "libmythbase/mythlogging.h"
#include "audiooutputca.h"

Include dependency graph for audiooutputca.cpp:

Go to the source code of this file.

Classes
class	CoreAudioData
	This holds Core Audio member variables and low-level audio IO methods The name is now a misnomer, it should be CoreAudioPrivate, or CoreAudioMgr. More...

Macros
#define	LOC   QString("CoreAudio: ")
#define	OSS_STATUS(x)   UInt32ToFourCC((UInt32*)&(x))

Typedefs
using	AudioStreamIDVec = std::vector< AudioStreamID >
using	AudioStreamRangedVec = std::vector< AudioStreamRangedDescription >
using	AudioValueRangeVec = std::vector< AudioValueRange >
using	RatesVec = std::vector< int >
using	ChannelsArr = std::array< bool, CHANNELS_MAX >

Functions
char *	UInt32ToFourCC (const UInt32 *pVal)
QString	StreamDescriptionToString (AudioStreamBasicDescription desc)
static OSStatus	RenderCallbackAnalog (void *inRefCon, AudioUnitRenderActionFlags *ioActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList *ioData)
static OSStatus	RenderCallbackSPDIF (AudioDeviceID inDevice, const AudioTimeStamp *inNow, const void *inInputData, const AudioTimeStamp *inInputTime, AudioBufferList *outOutputData, const AudioTimeStamp *inOutputTime, void *inRefCon)
template<class AudioDataType >
static void	ReorderSmpteToCA (AudioDataType *buf, uint frames)
static void	ReorderSmpteToCA (void *buf, uint frames, AudioFormat format)
static bool	IsRateCommon (Float64 inRate)

Variables
static constexpr int8_t	kMythAudioObjectPropertyElementMain { 0 }
static constexpr int	CHANNELS_MIN { 1 }
static constexpr int	CHANNELS_MAX { 8 }
static constexpr UInt32	sNumberCommonSampleRates = 15
static std::array< Float64, sNumberCommonSampleRates >	sCommonSampleRates

Macro Definition Documentation

LOC

#define LOC   QString("CoreAudio: ")

Definition at line 34 of file audiooutputca.cpp.

OSS_STATUS

#define OSS_STATUS

(

x

)

UInt32ToFourCC((UInt32*)&(x))

Definition at line 45 of file audiooutputca.cpp.

Typedef Documentation

AudioStreamIDVec

using AudioStreamIDVec = std::vector<AudioStreamID>

Definition at line 39 of file audiooutputca.cpp.

AudioStreamRangedVec

using AudioStreamRangedVec = std::vector<AudioStreamRangedDescription>

Definition at line 40 of file audiooutputca.cpp.

AudioValueRangeVec

using AudioValueRangeVec = std::vector<AudioValueRange>

Definition at line 41 of file audiooutputca.cpp.

ChannelsArr

using ChannelsArr = std::array<bool,CHANNELS_MAX>

Definition at line 43 of file audiooutputca.cpp.

RatesVec

using RatesVec = std::vector<int>

Definition at line 42 of file audiooutputca.cpp.

Function Documentation

IsRateCommon()

static bool IsRateCommon ( Float64  inRate )

static

Definition at line 947 of file audiooutputca.cpp.

Referenced by CoreAudioData::RatesList().

RenderCallbackAnalog()

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

static

Definition at line 418 of file audiooutputca.cpp.

Referenced by CoreAudioData::OpenAnalog().

RenderCallbackSPDIF()

static OSStatus RenderCallbackSPDIF ( AudioDeviceID  inDevice, const AudioTimeStamp *  inNow, const void *  inInputData, const AudioTimeStamp *  inInputTime, AudioBufferList *  outOutputData, const AudioTimeStamp *  inOutputTime, void *  inRefCon  )

static

Definition at line 459 of file audiooutputca.cpp.

Referenced by CoreAudioData::OpenSPDIF().

ReorderSmpteToCA() [1/2]

template<class AudioDataType >

static void ReorderSmpteToCA ( AudioDataType *  buf, uint  frames  )

inlinestatic

Definition at line 317 of file audiooutputca.cpp.

Referenced by AudioOutputCA::RenderAudio(), and ReorderSmpteToCA().

ReorderSmpteToCA() [2/2]

static void ReorderSmpteToCA ( void *  buf, uint  frames, AudioFormat  format  )

inlinestatic

Definition at line 339 of file audiooutputca.cpp.

StreamDescriptionToString()

QString StreamDescriptionToString

(

AudioStreamBasicDescription

desc

)

Definition at line 59 of file audiooutputca.cpp.

Referenced by CoreAudioData::AudioStreamChangeFormat(), CoreAudioData::ChannelsList(), CoreAudioData::OpenAnalog(), CoreAudioData::OpenSPDIF(), and CoreAudioData::ResetStream().

UInt32ToFourCC()

char * UInt32ToFourCC

(

const UInt32 *

pVal

)

Definition at line 46 of file audiooutputca.cpp.

Referenced by StreamDescriptionToString().

Variable Documentation

CHANNELS_MAX

constexpr int CHANNELS_MAX { 8 }

staticconstexpr

Definition at line 37 of file audiooutputca.cpp.

Referenced by CoreAudioData::ChannelsList(), and AudioOutputCA::GetOutputSettings().

CHANNELS_MIN

constexpr int CHANNELS_MIN { 1 }

staticconstexpr

Definition at line 36 of file audiooutputca.cpp.

Referenced by AudioOutputCA::GetOutputSettings().

kMythAudioObjectPropertyElementMain

constexpr int8_t kMythAudioObjectPropertyElementMain { 0 }

staticconstexpr

Definition at line 32 of file audiooutputca.cpp.

Referenced by CoreAudioData::AudioStreamChangeFormat(), CoreAudioData::FormatsList(), CoreAudioData::GetAutoHogMode(), CoreAudioData::GetDefaultOutputDevice(), AudioOutputCA::GetDevices(), CoreAudioData::GetDeviceWithName(), CoreAudioData::GetHogStatus(), CoreAudioData::GetMixingSupport(), CoreAudioData::GetName(), CoreAudioData::GetTotalOutputChannels(), CoreAudioData::OpenAnalog(), CoreAudioData::OpenSPDIF(), CoreAudioData::RatesList(), CoreAudioData::ResetAudioDevices(), CoreAudioData::ResetStream(), CoreAudioData::SetAutoHogMode(), CoreAudioData::SetHogStatus(), CoreAudioData::SetMixingSupport(), and CoreAudioData::StreamsList().

sCommonSampleRates

std::array<Float64,sNumberCommonSampleRates> sCommonSampleRates

static

Initial value:

= {
    8000.0,   11025.0,  12000.0,
    16000.0,  22050.0,  24000.0,
    32000.0,  44100.0,  48000.0,
    64000.0,  88200.0,  96000.0,
    128000.0, 176400.0, 192000.0 }

Definition at line 940 of file audiooutputca.cpp.

Referenced by IsRateCommon(), and CoreAudioData::RatesList().

sNumberCommonSampleRates

constexpr UInt32 sNumberCommonSampleRates = 15

staticconstexpr

Definition at line 939 of file audiooutputca.cpp.

Referenced by IsRateCommon(), and CoreAudioData::RatesList().