Files
@ r8793:779ed14d9cc0
Branch filter:
Location: cpp/openttd-patchpack/source/src/sound/cocoa_s.cpp - annotation
r8793:779ed14d9cc0
4.5 KiB
text/x-c
(svn r12531) -Codechange: Rename some variables for consistency.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r7965:724a81116ee2 r7965:724a81116ee2 r7965:724a81116ee2 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r8132:f5cfeb0d46c0 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r7170:38b143754b40 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r7839:e456d3331541 r5584:545d748cc681 r7839:e456d3331541 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r7170:38b143754b40 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r7839:e456d3331541 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r7839:e456d3331541 r7839:e456d3331541 r7839:e456d3331541 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r7839:e456d3331541 r7839:e456d3331541 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r7170:38b143754b40 r5584:545d748cc681 r7839:e456d3331541 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r7839:e456d3331541 r7839:e456d3331541 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 | /* $Id$ */
/*****************************************************************************
* Cocoa sound driver *
* Known things left to do: *
* - Might need to do endian checking for it to work on both ppc and x86 *
*****************************************************************************/
#ifdef WITH_COCOA
#define MAC_OS_X_VERSION_MIN_REQUIRED MAC_OS_X_VERSION_10_3
#include <AvailabilityMacros.h>
#include <AudioUnit/AudioUnit.h>
/* Name conflict */
#define Rect OTTDRect
#define Point OTTDPoint
#define WindowClass OTTDWindowClass
#include "../stdafx.h"
#include "../debug.h"
#include "../driver.h"
#include "../mixer.h"
#include "../core/endian_func.hpp"
#include "cocoa_s.h"
#undef WindowClass
#undef Point
#undef Rect
static FSoundDriver_Cocoa iFSoundDriver_Cocoa;
static AudioUnit _outputAudioUnit;
/* The CoreAudio callback */
static OSStatus audioCallback(void *inRefCon, AudioUnitRenderActionFlags *inActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList * ioData)
{
MxMixSamples(ioData->mBuffers[0].mData, ioData->mBuffers[0].mDataByteSize / 4);
return noErr;
}
const char *SoundDriver_Cocoa::Start(const char * const *parm)
{
Component comp;
ComponentDescription desc;
struct AURenderCallbackStruct callback;
AudioStreamBasicDescription requestedDesc;
/* Setup a AudioStreamBasicDescription with the requested format */
requestedDesc.mFormatID = kAudioFormatLinearPCM;
requestedDesc.mFormatFlags = kLinearPCMFormatFlagIsPacked;
requestedDesc.mChannelsPerFrame = 2;
requestedDesc.mSampleRate = GetDriverParamInt(parm, "hz", 11025);
requestedDesc.mBitsPerChannel = 16;
requestedDesc.mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
#ifdef TTD_BIG_ENDIAN
requestedDesc.mFormatFlags |= kLinearPCMFormatFlagIsBigEndian;
#endif
requestedDesc.mFramesPerPacket = 1;
requestedDesc.mBytesPerFrame = requestedDesc.mBitsPerChannel * requestedDesc.mChannelsPerFrame / 8;
requestedDesc.mBytesPerPacket = requestedDesc.mBytesPerFrame * requestedDesc.mFramesPerPacket;
/* Locate the default output audio unit */
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = kAudioUnitSubType_HALOutput;
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
comp = FindNextComponent (NULL, &desc);
if (comp == NULL) {
return "cocoa_s: Failed to start CoreAudio: FindNextComponent returned NULL";
}
/* Open & initialize the default output audio unit */
if (OpenAComponent(comp, &_outputAudioUnit) != noErr) {
return "cocoa_s: Failed to start CoreAudio: OpenAComponent";
}
if (AudioUnitInitialize(_outputAudioUnit) != noErr) {
return "cocoa_s: Failed to start CoreAudio: AudioUnitInitialize";
}
/* Set the input format of the audio unit. */
if (AudioUnitSetProperty(_outputAudioUnit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &requestedDesc, sizeof(requestedDesc)) != noErr) {
return "cocoa_s: Failed to start CoreAudio: AudioUnitSetProperty (kAudioUnitProperty_StreamFormat)";
}
/* Set the audio callback */
callback.inputProc = audioCallback;
callback.inputProcRefCon = NULL;
if (AudioUnitSetProperty(_outputAudioUnit, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0, &callback, sizeof(callback)) != noErr) {
return "cocoa_s: Failed to start CoreAudio: AudioUnitSetProperty (kAudioUnitProperty_SetRenderCallback)";
}
/* Finally, start processing of the audio unit */
if (AudioOutputUnitStart(_outputAudioUnit) != noErr) {
return "cocoa_s: Failed to start CoreAudio: AudioOutputUnitStart";
}
/* We're running! */
return NULL;
}
void SoundDriver_Cocoa::Stop()
{
struct AURenderCallbackStruct callback;
/* stop processing the audio unit */
if (AudioOutputUnitStop(_outputAudioUnit) != noErr) {
DEBUG(driver, 0, "cocoa_s: Core_CloseAudio: AudioOutputUnitStop failed");
return;
}
/* Remove the input callback */
callback.inputProc = 0;
callback.inputProcRefCon = 0;
if (AudioUnitSetProperty(_outputAudioUnit, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0, &callback, sizeof(callback)) != noErr) {
DEBUG(driver, 0, "cocoa_s: Core_CloseAudio: AudioUnitSetProperty (kAudioUnitProperty_SetRenderCallback) failed");
return;
}
if (CloseComponent(_outputAudioUnit) != noErr) {
DEBUG(driver, 0, "cocoa_s: Core_CloseAudio: CloseComponent failed");
return;
}
}
#endif /* WITH_COCOA */
|