diff options
Diffstat (limited to 'src/sound')
-rw-r--r-- | src/sound/cocoa_s.c | 149 | ||||
-rw-r--r-- | src/sound/cocoa_s.h | 10 | ||||
-rw-r--r-- | src/sound/null_s.c | 13 | ||||
-rw-r--r-- | src/sound/null_s.h | 10 | ||||
-rw-r--r-- | src/sound/sdl_s.c | 47 | ||||
-rw-r--r-- | src/sound/sdl_s.h | 10 | ||||
-rw-r--r-- | src/sound/win32_s.c | 87 | ||||
-rw-r--r-- | src/sound/win32_s.h | 10 |
8 files changed, 336 insertions, 0 deletions
diff --git a/src/sound/cocoa_s.c b/src/sound/cocoa_s.c new file mode 100644 index 000000000..3b758ad71 --- /dev/null +++ b/src/sound/cocoa_s.c @@ -0,0 +1,149 @@ +/* $Id$ */ + +/***************************************************************************** + * 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 */ diff --git a/src/sound/cocoa_s.h b/src/sound/cocoa_s.h new file mode 100644 index 000000000..7db5f7023 --- /dev/null +++ b/src/sound/cocoa_s.h @@ -0,0 +1,10 @@ +/* $Id$ */ + +#ifndef SOUND_COCOA_H +#define SOUND_COCOA_H + +#include "../hal.h" + +extern const HalSoundDriver _cocoa_sound_driver; + +#endif diff --git a/src/sound/null_s.c b/src/sound/null_s.c new file mode 100644 index 000000000..f68c4b13a --- /dev/null +++ b/src/sound/null_s.c @@ -0,0 +1,13 @@ +/* $Id$ */ + +#include "../stdafx.h" +#include "../openttd.h" +#include "null_s.h" + +static const char *NullSoundStart(const char * const *parm) { return NULL; } +static void NullSoundStop(void) {} + +const HalSoundDriver _null_sound_driver = { + NullSoundStart, + NullSoundStop, +}; diff --git a/src/sound/null_s.h b/src/sound/null_s.h new file mode 100644 index 000000000..6ccd19aed --- /dev/null +++ b/src/sound/null_s.h @@ -0,0 +1,10 @@ +/* $Id$ */ + +#ifndef SOUND_NULL_H +#define SOUND_NULL_H + +#include "../hal.h" + +extern const HalSoundDriver _null_sound_driver; + +#endif diff --git a/src/sound/sdl_s.c b/src/sound/sdl_s.c new file mode 100644 index 000000000..4b1da52d6 --- /dev/null +++ b/src/sound/sdl_s.c @@ -0,0 +1,47 @@ +/* $Id$ */ + +#include "../stdafx.h" + +#ifdef WITH_SDL + +#include "../openttd.h" +#include "../driver.h" +#include "../mixer.h" +#include "../sdl.h" +#include "sdl_s.h" +#include <SDL.h> + +static void CDECL fill_sound_buffer(void *userdata, Uint8 *stream, int len) +{ + MxMixSamples(stream, len / 4); +} + +static const char *SdlSoundStart(const char * const *parm) +{ + SDL_AudioSpec spec; + + const char *s = SdlOpen(SDL_INIT_AUDIO); + if (s != NULL) return s; + + spec.freq = GetDriverParamInt(parm, "hz", 11025); + spec.format = AUDIO_S16SYS; + spec.channels = 2; + spec.samples = 512; + spec.callback = fill_sound_buffer; + SDL_CALL SDL_OpenAudio(&spec, &spec); + SDL_CALL SDL_PauseAudio(0); + return NULL; +} + +static void SdlSoundStop(void) +{ + SDL_CALL SDL_CloseAudio(); + SdlClose(SDL_INIT_AUDIO); +} + +const HalSoundDriver _sdl_sound_driver = { + SdlSoundStart, + SdlSoundStop, +}; + +#endif diff --git a/src/sound/sdl_s.h b/src/sound/sdl_s.h new file mode 100644 index 000000000..6fc2b6dc0 --- /dev/null +++ b/src/sound/sdl_s.h @@ -0,0 +1,10 @@ +/* $Id$ */ + +#ifndef SOUND_SDL_H +#define SOUND_SDL_H + +#include "../hal.h" + +extern const HalSoundDriver _sdl_sound_driver; + +#endif diff --git a/src/sound/win32_s.c b/src/sound/win32_s.c new file mode 100644 index 000000000..a39cee985 --- /dev/null +++ b/src/sound/win32_s.c @@ -0,0 +1,87 @@ +/* $Id$ */ + +#include "../stdafx.h" +#include "../openttd.h" +#include "../driver.h" +#include "../functions.h" +#include "../mixer.h" +#include "win32_s.h" +#include <windows.h> +#include <mmsystem.h> + +static HWAVEOUT _waveout; +static WAVEHDR _wave_hdr[2]; +static int _bufsize; + +static void PrepareHeader(WAVEHDR *hdr) +{ + hdr->dwBufferLength = _bufsize * 4; + hdr->dwFlags = 0; + hdr->lpData = malloc(_bufsize * 4); + if (hdr->lpData == NULL || + waveOutPrepareHeader(_waveout, hdr, sizeof(WAVEHDR)) != MMSYSERR_NOERROR) + error("waveOutPrepareHeader failed"); +} + +static void FillHeaders(void) +{ + WAVEHDR *hdr; + + for (hdr = _wave_hdr; hdr != endof(_wave_hdr); hdr++) { + if (!(hdr->dwFlags & WHDR_INQUEUE)) { + MxMixSamples(hdr->lpData, hdr->dwBufferLength / 4); + if (waveOutWrite(_waveout, hdr, sizeof(WAVEHDR)) != MMSYSERR_NOERROR) + error("waveOutWrite failed"); + } + } +} + +static void CALLBACK waveOutProc(HWAVEOUT hwo, UINT uMsg, DWORD_PTR dwInstance, + DWORD dwParam1, DWORD dwParam2) +{ + switch (uMsg) { + case WOM_DONE: + if (_waveout) FillHeaders(); + break; + + default: + break; + } +} + +static const char *Win32SoundStart(const char* const* parm) +{ + WAVEFORMATEX wfex; + int hz; + + _bufsize = GetDriverParamInt(parm, "bufsize", 1024); + hz = GetDriverParamInt(parm, "hz", 11025); + wfex.wFormatTag = WAVE_FORMAT_PCM; + wfex.nChannels = 2; + wfex.nSamplesPerSec = hz; + wfex.nAvgBytesPerSec = hz * 2 * 2; + wfex.nBlockAlign = 4; + wfex.wBitsPerSample = 16; + if (waveOutOpen(&_waveout, WAVE_MAPPER, &wfex, (DWORD_PTR)&waveOutProc, 0, CALLBACK_FUNCTION) != MMSYSERR_NOERROR) + return "waveOutOpen failed"; + PrepareHeader(&_wave_hdr[0]); + PrepareHeader(&_wave_hdr[1]); + FillHeaders(); + return NULL; +} + +static void Win32SoundStop(void) +{ + HWAVEOUT waveout = _waveout; + + _waveout = NULL; + waveOutReset(waveout); + waveOutUnprepareHeader(waveout, &_wave_hdr[0], sizeof(WAVEHDR)); + waveOutUnprepareHeader(waveout, &_wave_hdr[1], sizeof(WAVEHDR)); + waveOutClose(waveout); +} + +const HalSoundDriver _win32_sound_driver = { + Win32SoundStart, + Win32SoundStop, +}; diff --git a/src/sound/win32_s.h b/src/sound/win32_s.h new file mode 100644 index 000000000..65c6a957d --- /dev/null +++ b/src/sound/win32_s.h @@ -0,0 +1,10 @@ +/* $Id$ */ + +#ifndef SOUND_WIN32_H +#define SOUND_WIN32_H + +#include "../hal.h" + +extern const HalSoundDriver _win32_sound_driver; + +#endif |