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author | KUDr <kudr@openttd.org> | 2007-01-10 18:12:09 +0000 |
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committer | KUDr <kudr@openttd.org> | 2007-01-10 18:12:09 +0000 |
commit | e373ea7096c741a8189f7a480863fd21dd6f6be1 (patch) | |
tree | d9abc3d9810159441bed9f82a52bd1ee52d770dd /src/sound/cocoa_s.c | |
parent | 001d858b528d78743deaf7dcea46ea8f0736bad9 (diff) | |
download | openttd-e373ea7096c741a8189f7a480863fd21dd6f6be1.tar.xz |
(svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
Diffstat (limited to 'src/sound/cocoa_s.c')
-rw-r--r-- | src/sound/cocoa_s.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/src/sound/cocoa_s.c b/src/sound/cocoa_s.c deleted file mode 100644 index 3b758ad71..000000000 --- a/src/sound/cocoa_s.c +++ /dev/null @@ -1,149 +0,0 @@ -/* $Id$ */ - -/***************************************************************************** - * 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 - -#include <AudioUnit/AudioUnit.h> - -/* Name conflict */ -#define Rect OTTDRect -#define Point OTTDPoint -#define WindowClass OTTDWindowClass -/* Defined in stdbool.h */ -#ifndef __cplusplus -# ifndef __BEOS__ -# undef bool -# undef false -# undef true -# endif -#endif - -#include "../stdafx.h" -#include "../openttd.h" -#include "../debug.h" -#include "../driver.h" -#include "../mixer.h" -#include "../sdl.h" - -#include "cocoa_s.h" - -#undef WindowClass -#undef Point -#undef Rect - - -static AudioUnit _outputAudioUnit; - -/* The CoreAudio callback */ -static OSStatus audioCallback(void *inRefCon, AudioUnitRenderActionFlags inActionFlags, const AudioTimeStamp *inTimeStamp, UInt32 inBusNumber, AudioBuffer *ioData) -{ - MxMixSamples(ioData->mData, ioData->mDataByteSize / 4); - - return noErr; -} - - -static const char *CocoaSoundStart(const char * const *parm) -{ - Component comp; - ComponentDescription desc; - struct AudioUnitInputCallback 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 = kAudioUnitComponentType; - desc.componentSubType = kAudioUnitSubType_Output; - desc.componentManufacturer = kAudioUnitID_DefaultOutput; - 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_SetInputCallback, kAudioUnitScope_Input, 0, &callback, sizeof(callback)) != noErr) { - return "cocoa_s: Failed to start CoreAudio: AudioUnitSetProperty (kAudioUnitProperty_SetInputCallback)"; - } - - /* Finally, start processing of the audio unit */ - if (AudioOutputUnitStart(_outputAudioUnit) != noErr) { - return "cocoa_s: Failed to start CoreAudio: AudioOutputUnitStart"; - } - - /* We're running! */ - return NULL; -} - - -static void CocoaSoundStop(void) -{ - struct AudioUnitInputCallback 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_SetInputCallback, kAudioUnitScope_Input, 0, &callback, sizeof(callback)) != noErr) { - DEBUG(driver, 0, "cocoa_s: Core_CloseAudio: AudioUnitSetProperty (kAudioUnitProperty_SetInputCallback) failed"); - return; - } - - if (CloseComponent(_outputAudioUnit) != noErr) { - DEBUG(driver, 0, "cocoa_s: Core_CloseAudio: CloseComponent failed"); - return; - } -} - - -const HalSoundDriver _cocoa_sound_driver = { - CocoaSoundStart, - CocoaSoundStop, -}; - -#endif /* WITH_COCOA */ |