From 21fa010bb66f56ed9b83e840d25c10c313b99e05 Mon Sep 17 00:00:00 2001
From: Michael Maltese <mchtly@gmail.com>
Date: Sun, 25 Jun 2017 23:56:11 -0700
Subject: Remove CoreAudio audio backend

Cubeb handles everything the CoreAudio backend can, plus supports DPL2.
---
 Source/Core/AudioCommon/CoreAudioSoundStream.cpp | 123 -----------------------
 1 file changed, 123 deletions(-)
 delete mode 100644 Source/Core/AudioCommon/CoreAudioSoundStream.cpp

(limited to 'Source/Core/AudioCommon/CoreAudioSoundStream.cpp')

diff --git a/Source/Core/AudioCommon/CoreAudioSoundStream.cpp b/Source/Core/AudioCommon/CoreAudioSoundStream.cpp
deleted file mode 100644
index 54ba660129..0000000000
--- a/Source/Core/AudioCommon/CoreAudioSoundStream.cpp
+++ /dev/null
@@ -1,123 +0,0 @@
-// Copyright 2009 Dolphin Emulator Project
-// Licensed under GPLv2+
-// Refer to the license.txt file included.
-
-#include <AudioUnit/AudioUnit.h>
-
-#include "AudioCommon/CoreAudioSoundStream.h"
-#include "Common/Logging/Log.h"
-
-OSStatus CoreAudioSound::callback(void* inRefCon, AudioUnitRenderActionFlags* ioActionFlags,
-                                  const AudioTimeStamp* inTimeStamp, UInt32 inBusNumber,
-                                  UInt32 inNumberFrames, AudioBufferList* ioData)
-{
-  for (UInt32 i = 0; i < ioData->mNumberBuffers; i++)
-    ((CoreAudioSound*)inRefCon)
-        ->m_mixer->Mix((short*)ioData->mBuffers[i].mData, ioData->mBuffers[i].mDataByteSize / 4);
-
-  return noErr;
-}
-
-bool CoreAudioSound::Start()
-{
-  OSStatus err;
-  AURenderCallbackStruct callback_struct;
-  AudioStreamBasicDescription format;
-  AudioComponentDescription desc;
-  AudioComponent component;
-
-  desc.componentType = kAudioUnitType_Output;
-  desc.componentSubType = kAudioUnitSubType_DefaultOutput;
-  desc.componentFlags = 0;
-  desc.componentFlagsMask = 0;
-  desc.componentManufacturer = kAudioUnitManufacturer_Apple;
-  component = AudioComponentFindNext(nullptr, &desc);
-  if (component == nullptr)
-  {
-    ERROR_LOG(AUDIO, "error finding audio component");
-    return false;
-  }
-
-  err = AudioComponentInstanceNew(component, &audioUnit);
-  if (err != noErr)
-  {
-    ERROR_LOG(AUDIO, "error opening audio component");
-    return false;
-  }
-
-  FillOutASBDForLPCM(format, m_mixer->GetSampleRate(), 2, 16, 16, false, false, false);
-  err = AudioUnitSetProperty(audioUnit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0,
-                             &format, sizeof(AudioStreamBasicDescription));
-  if (err != noErr)
-  {
-    ERROR_LOG(AUDIO, "error setting audio format");
-    return false;
-  }
-
-  callback_struct.inputProc = callback;
-  callback_struct.inputProcRefCon = this;
-  err = AudioUnitSetProperty(audioUnit, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input,
-                             0, &callback_struct, sizeof callback_struct);
-  if (err != noErr)
-  {
-    ERROR_LOG(AUDIO, "error setting audio callback");
-    return false;
-  }
-
-  err = AudioUnitSetParameter(audioUnit, kHALOutputParam_Volume, kAudioUnitScope_Output, 0,
-                              m_volume / 100., 0);
-  if (err != noErr)
-    ERROR_LOG(AUDIO, "error setting volume");
-
-  err = AudioUnitInitialize(audioUnit);
-  if (err != noErr)
-  {
-    ERROR_LOG(AUDIO, "error initializing audiounit");
-    return false;
-  }
-
-  err = AudioOutputUnitStart(audioUnit);
-  if (err != noErr)
-  {
-    ERROR_LOG(AUDIO, "error starting audiounit");
-    return false;
-  }
-
-  return true;
-}
-
-void CoreAudioSound::SetVolume(int volume)
-{
-  OSStatus err;
-  m_volume = volume;
-
-  err = AudioUnitSetParameter(audioUnit, kHALOutputParam_Volume, kAudioUnitScope_Output, 0,
-                              volume / 100., 0);
-  if (err != noErr)
-    ERROR_LOG(AUDIO, "error setting volume");
-}
-
-void CoreAudioSound::SoundLoop()
-{
-}
-
-void CoreAudioSound::Stop()
-{
-  OSStatus err;
-
-  err = AudioOutputUnitStop(audioUnit);
-  if (err != noErr)
-    ERROR_LOG(AUDIO, "error stopping audiounit");
-
-  err = AudioUnitUninitialize(audioUnit);
-  if (err != noErr)
-    ERROR_LOG(AUDIO, "error uninitializing audiounit");
-
-  err = AudioComponentInstanceDispose(audioUnit);
-  if (err != noErr)
-    ERROR_LOG(AUDIO, "error closing audio component");
-}
-
-void CoreAudioSound::Update()
-{
-}
-- 
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