diff options
Diffstat (limited to 'src/audio/openal/samp_oal.cpp')
| -rw-r--r-- | src/audio/openal/samp_oal.cpp | 1404 |
1 files changed, 0 insertions, 1404 deletions
diff --git a/src/audio/openal/samp_oal.cpp b/src/audio/openal/samp_oal.cpp deleted file mode 100644 index e8213cd9..00000000 --- a/src/audio/openal/samp_oal.cpp +++ /dev/null @@ -1,1404 +0,0 @@ -#include <al.h> -#include <alc.h> -#include <mpg123_pre.h> -//#include <mpg123.h> -#include <time.h> -#include <io.h> -#include "samp_oal.h" -#include "AudioManager.h" -#include "MusicManager.h" -#include "Frontend.h" -#include "Timer.h" - -#pragma comment( lib, "libmpg123.lib" ) -#pragma comment( lib, "OpenAL32.lib" ) - -cSampleManager SampleManager; -int32 BankStartOffset[MAX_SAMPLEBANKS]; - - -/////////////////////////////////////////////////////////////// -class MP3Stream -{ -public: - mpg123_handle *m_pMPG; - FILE *m_fpFile; - unsigned char *m_pBuf; - char m_aFilename[128]; - size_t m_nBufSize; - size_t m_nLengthInBytes; - long m_nRate; - int m_nBitRate; - int m_nChannels; - int m_nEncoding; - int m_nLength; - int m_nBlockSize; - int m_nNumBlocks; - ALuint m_alSource; - ALuint m_alBuffers[5]; - unsigned char *m_pBlocks; - bool m_bIsFree; - bool m_bIsOpened; - bool m_bIsPaused; - int m_nVolume; - - void Initialize(void); - bool FillBuffer(ALuint alBuffer); - void Update(void); - void SetPos(uint32 nPos); - int32 FillBuffers(); - MP3Stream(char *filename, ALuint source, ALuint *buffers); - ~MP3Stream() { Delete(); } - void Delete(); - -}; -/////////////////////////////////////////////////////////////// - -char SampleBankDescFilename[] = "AUDIO\\SFX.SDT"; -char SampleBankDataFilename[] = "AUDIO\\SFX.RAW"; - -FILE *fpSampleDescHandle; -FILE *fpSampleDataHandle; -bool bSampleBankLoaded [MAX_SAMPLEBANKS]; -int32 nSampleBankDiscStartOffset [MAX_SAMPLEBANKS]; -int32 nSampleBankSize [MAX_SAMPLEBANKS]; -int32 nSampleBankMemoryStartAddress[MAX_SAMPLEBANKS]; -int32 _nSampleDataEndOffset; - -int32 nPedSlotSfx [MAX_PEDSFX]; -int32 nPedSlotSfxAddr[MAX_PEDSFX]; -uint8 nCurrentPedSlot; - - - -uint32 nStreamLength[TOTAL_STREAMED_SOUNDS]; - -/////////////////////////////////////////////////////////////// -ALuint alChannel[MAXCHANNELS+MAX2DCHANNELS]; -ALuint ALStreamSources[MAX_STREAMS]; -ALuint ALStreamBuffers[MAX_STREAMS][5]; -struct -{ - ALuint buffer; - ALuint timer; -}ALBuffers[SAMPLEBANK_MAX]; - -ALuint pedBuffers[MAX_PEDSFX]; -//bank0Buffers - -uint32 nNumMP3s; - -MP3Stream *mp3Stream[MAX_STREAMS]; -int8 nStreamPan [MAX_STREAMS]; -int8 nStreamVolume[MAX_STREAMS]; - -float ChannelPitch[MAXCHANNELS+MAX2DCHANNELS]; -uint8 nChannelVolume[MAXCHANNELS+MAX2DCHANNELS]; -uint32 ChannelSample[MAXCHANNELS+MAX2DCHANNELS]; -int32 currentChannelMaxFrontDistance[MAXCHANNELS+MAX2DCHANNELS]; -int32 currentChannelFrequency[MAXCHANNELS+MAX2DCHANNELS]; -int32 currentChannelVolume[MAXCHANNELS+MAX2DCHANNELS]; - - -cSampleManager::cSampleManager(void) -{ - ; -} - -cSampleManager::~cSampleManager(void) -{ - ASSERT((void *)nSampleBankMemoryStartAddress[SAMPLEBANK_PED] == NULL); - free((void *)nSampleBankMemoryStartAddress[SAMPLEBANK_PED]); - - if ( fpSampleDescHandle != NULL ) - { - fclose(fpSampleDescHandle); - fpSampleDescHandle = NULL; - } - - if ( fpSampleDataHandle != NULL ) - { - fclose(fpSampleDataHandle); - fpSampleDataHandle = NULL; - } -} - -void cSampleManager::SetSpeakerConfig(int32 nConfig) -{ - -} - -uint32 cSampleManager::GetMaximumSupportedChannels(void) -{ - return 20; -} - -uint32 cSampleManager::GetNum3DProvidersAvailable() -{ - return 1; -} - -void cSampleManager::SetNum3DProvidersAvailable(uint32 num) -{ - ; -} - -char *cSampleManager::Get3DProviderName(uint8 id) -{ - static char PROVIDER[256] = "OpenAL"; - return PROVIDER; -} - -void cSampleManager::Set3DProviderName(uint8 id, char *name) -{ - ; -} - -int8 cSampleManager::GetCurrent3DProviderIndex(void) -{ - return 0; -} - -int8 cSampleManager::SetCurrent3DProvider(uint8 which) -{ - return 0; -} - -bool -cSampleManager::IsMP3RadioChannelAvailable(void) -{ - return nNumMP3s != 0; -} - - -void cSampleManager::ReleaseDigitalHandle(void) -{ - -} - -void cSampleManager::ReacquireDigitalHandle(void) -{ - -} - -bool -cSampleManager::Initialise(void) -{ - ALCint attr[] = {ALC_FREQUENCY,MAX_FREQ,0}; - - m_pDevice = alcOpenDevice(NULL); - ASSERT(m_pDevice != NULL); - - m_pContext = alcCreateContext(m_pDevice, attr); - ASSERT(m_pContext != NULL); - - alcMakeContextCurrent(m_pContext); - - mpg123_init(); - - - - for ( int32 i = 0; i < TOTAL_AUDIO_SAMPLES; i++ ) - { - m_aSamples[i].nOffset = 0; - m_aSamples[i].nSize = 0; - m_aSamples[i].nFrequency = MAX_FREQ; - m_aSamples[i].nLoopStart = 0; - m_aSamples[i].nLoopEnd = -1; - } - - for ( int32 i = 0; i < TOTAL_STREAMED_SOUNDS; i++ ) - nStreamLength[i] = 3600000; - - for ( int32 i = 0; i < MAX_STREAMS; i++ ) - { - mp3Stream[i] = NULL; - nStreamVolume[i] = 100; - nStreamPan[i] = 63; - } - - alGenSources(MAX_STREAMS, (ALuint *)ALStreamSources); - alGenBuffers(MAX_STREAMS*5, (ALuint *)ALStreamBuffers); - - m_nMonoMode = 0; - - m_nEffectsVolume = MAX_VOLUME; - m_nMusicVolume = MAX_VOLUME; - m_nEffectsFadeVolume = MAX_VOLUME; - m_nMusicFadeVolume = MAX_VOLUME; - - - memset(alChannel, 0, sizeof(alChannel)); - memset(nChannelVolume, 0, sizeof(nChannelVolume)); - memset(ChannelSample, 0, sizeof(ChannelSample)); - - for ( int32 i = 0; i < ARRAY_SIZE(ChannelPitch); i++ ) - ChannelPitch[i] = 1.0f; - - - fpSampleDescHandle = NULL; - fpSampleDataHandle = NULL; - - for ( int32 i = 0; i < MAX_SAMPLEBANKS; i++ ) - { - bSampleBankLoaded[i] = false; - nSampleBankDiscStartOffset[i] = 0; - nSampleBankSize[i] = 0; - nSampleBankMemoryStartAddress[i] = 0; - } - - alGenBuffers(MAX_PEDSFX, pedBuffers); - - for ( int32 i = 0; i < MAX_PEDSFX; i++ ) - { - nPedSlotSfx[i] = NO_SAMPLE; - nPedSlotSfxAddr[i] = 0; - } - - nCurrentPedSlot = 0; - - for ( int32 i = 0; i < SAMPLEBANK_MAX; i++ ) - { - ALBuffers[i].buffer = 0; - ALBuffers[i].timer = 0; - } - - alListenerf (AL_GAIN, 1.0f); - alListener3f(AL_POSITION, 0.0f, 0.0f, 0.0f); - alListener3f(AL_VELOCITY, 0.0f, 0.0f, 0.0f); - ALfloat orientation[6] = { 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 1.0f }; - alListenerfv(AL_ORIENTATION, orientation); - - if ( !InitialiseSampleBanks() ) - { - Terminate(); - return false; - } - - nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] = (int32)malloc(nSampleBankSize[SAMPLEBANK_MAIN]); - ASSERT(nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] != NULL); - - if ( nSampleBankMemoryStartAddress[SAMPLEBANK_MAIN] == NULL ) - { - Terminate(); - return false; - } - - nSampleBankMemoryStartAddress[SAMPLEBANK_PED] = (int32)malloc(PED_BLOCKSIZE*MAX_PEDSFX); - ASSERT(nSampleBankMemoryStartAddress[SAMPLEBANK_PED] != NULL); - - alGenSources(MAXCHANNELS, alChannel); - for ( int32 i = 0; i < MAXCHANNELS; i++ ) - { - if ( alChannel[i] ) - alSourcei(alChannel[i], AL_SOURCE_RELATIVE, AL_TRUE); - } - - alGenSources(MAX2DCHANNELS, &alChannel[CHANNEL2D]); - if ( alChannel[CHANNEL2D] ) - { - alSourcei (alChannel[CHANNEL2D], AL_SOURCE_RELATIVE, AL_TRUE); - alSource3f(alChannel[CHANNEL2D], AL_POSITION, 0.0f, 0.0f, 0.0f); - alSourcef (alChannel[CHANNEL2D], AL_GAIN, 1.0f); - } - - LoadSampleBank(SAMPLEBANK_MAIN); - - return true; -} - -void -cSampleManager::Terminate(void) -{ - mpg123_exit(); - alcMakeContextCurrent(NULL); - alcDestroyContext(m_pContext); - alcCloseDevice(m_pDevice); -} - -void -cSampleManager::UpdateSoundBuffers(void) -{ - for ( int32 i = 0; i < SAMPLEBANK_MAX; i++ ) - { - if ( ALBuffers[i].timer > 0 ) - { - ALBuffers[i].timer -= ALuint(CTimer::GetTimeStep() * 20.0f); - - if ( ALBuffers[i].timer <= 0 ) - { - if ( ALBuffers[i].buffer != 0 && alIsBuffer(ALBuffers[i].buffer) ) - { - alDeleteBuffers(1, &ALBuffers[i].buffer); - - if ( alGetError() == AL_NO_ERROR ) - ALBuffers[i].buffer = 0; - else - ALBuffers[i].buffer = 120000; - } - } - } - } -} - -bool cSampleManager::CheckForAnAudioFileOnCD(void) -{ - return true; -} - -char cSampleManager::GetCDAudioDriveLetter(void) -{ - return '\0'; -} - -void -cSampleManager::SetEffectsMasterVolume(uint8 nVolume) -{ - m_nEffectsVolume = nVolume; -} - -void -cSampleManager::SetMusicMasterVolume(uint8 nVolume) -{ - m_nMusicVolume = nVolume; -} - -void -cSampleManager::SetEffectsFadeVolume(uint8 nVolume) -{ - m_nEffectsFadeVolume = nVolume; -} - -void -cSampleManager::SetMusicFadeVolume(uint8 nVolume) -{ - m_nMusicFadeVolume = nVolume; -} - -void -cSampleManager::SetMonoMode(uint8 nMode) -{ - m_nMonoMode = nMode; -} - -bool -cSampleManager::LoadSampleBank(uint8 nBank) -{ - ASSERT( nBank < MAX_SAMPLEBANKS ); - - if ( CTimer::GetIsCodePaused() ) - return false; - - if ( MusicManager.IsInitialised() - && MusicManager.GetMusicMode() == MUSICMODE_CUTSCENE - && nBank != SAMPLEBANK_MAIN ) - { - return false; - } - - if ( fseek(fpSampleDataHandle, nSampleBankDiscStartOffset[nBank], SEEK_SET) != 0 ) - return false; - - if ( fread((void *)nSampleBankMemoryStartAddress[nBank], 1, nSampleBankSize[nBank], fpSampleDataHandle) != nSampleBankSize[nBank] ) - return false; - - bSampleBankLoaded[nBank] = true; - - return true; -} - -void -cSampleManager::UnloadSampleBank(uint8 nBank) -{ - ASSERT( nBank < MAX_SAMPLEBANKS ); - - ; // NOIMP -} - -bool -cSampleManager::IsSampleBankLoaded(uint8 nBank) -{ - ASSERT( nBank < MAX_SAMPLEBANKS ); - return true; -} - -bool -cSampleManager::IsPedCommentLoaded(uint32 nComment) -{ - ASSERT( nComment < TOTAL_AUDIO_SAMPLES ); - - uint8 slot; - - for ( int32 i = 0; i < _TODOCONST(3); i++ ) - { - slot = nCurrentPedSlot - i - 1; - if ( nComment == nPedSlotSfx[slot] ) - return true; - } - - return false; -} - - -int32 -cSampleManager::_GetPedCommentSlot(uint32 nComment) -{ - uint8 slot; - - for (int32 i = 0; i < _TODOCONST(3); i++) - { - slot = nCurrentPedSlot - i - 1; - if (nComment == nPedSlotSfx[slot]) - return slot; - } - - return -1; -} - -bool -cSampleManager::LoadPedComment(uint32 nComment) -{ - ASSERT( nComment < TOTAL_AUDIO_SAMPLES ); - - if ( CTimer::GetIsCodePaused() ) - return false; - - // no talking peds during cutsenes or the game end - if ( MusicManager.IsInitialised() ) - { - switch ( MusicManager.GetMusicMode() ) - { - case MUSICMODE_CUTSCENE: - { - return false; - - break; - } - - case MUSICMODE_FRONTEND: - { - if ( MusicManager.GetCurrentTrack() == STREAMED_SOUND_GAME_COMPLETED ) - return false; - - break; - } - } - } - - if ( fseek(fpSampleDataHandle, m_aSamples[nComment].nOffset, SEEK_SET) != 0 ) - return false; - - if ( fread((void *)(nSampleBankMemoryStartAddress[SAMPLEBANK_PED] + PED_BLOCKSIZE*nCurrentPedSlot), 1, m_aSamples[nComment].nSize, fpSampleDataHandle) != m_aSamples[nComment].nSize ) - return false; - - nPedSlotSfx[nCurrentPedSlot] = nComment; - - alBufferData(pedBuffers[nCurrentPedSlot], - AL_FORMAT_MONO16, - (void *)(nSampleBankMemoryStartAddress[SAMPLEBANK_PED] + PED_BLOCKSIZE*nCurrentPedSlot), - m_aSamples[nComment].nSize, - MAX_FREQ); - - if ( ++nCurrentPedSlot >= MAX_PEDSFX ) - nCurrentPedSlot = 0; - - return true; -} - -int32 -cSampleManager::GetBankContainingSound(uint32 offset) -{ - if ( offset >= BankStartOffset[SAMPLEBANK_PED] ) - return SAMPLEBANK_PED; - - if ( offset >= BankStartOffset[SAMPLEBANK_MAIN] ) - return SAMPLEBANK_MAIN; - - return SAMPLEBANK_INVALID; -} - -int32 -cSampleManager::GetSampleBaseFrequency(uint32 nSample) -{ - ASSERT( nSample < TOTAL_AUDIO_SAMPLES ); - return m_aSamples[nSample].nFrequency; -} - -int32 -cSampleManager::GetSampleLoopStartOffset(uint32 nSample) -{ - ASSERT( nSample < TOTAL_AUDIO_SAMPLES ); - return m_aSamples[nSample].nLoopStart; -} - -int32 -cSampleManager::GetSampleLoopEndOffset(uint32 nSample) -{ - ASSERT( nSample < TOTAL_AUDIO_SAMPLES ); - return m_aSamples[nSample].nLoopEnd; -} - -uint32 -cSampleManager::GetSampleLength(uint32 nSample) -{ - ASSERT( nSample < TOTAL_AUDIO_SAMPLES ); - return m_aSamples[nSample].nSize >> 1; -} - -bool cSampleManager::UpdateReverb(void) -{ - return false; -} - -void -cSampleManager::SetChannelReverbFlag(uint32 nChannel, uint8 nReverbFlag) -{ - ; // NOIMP -} - -bool -cSampleManager::InitialiseChannel(uint32 nChannel, uint32 nSfx, uint8 nBank) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - - ALuint buffer; - - if ( nSfx < SAMPLEBANK_MAX ) - { - int32 offset = (m_aSamples[nSfx].nLoopStart > 0) ? (m_aSamples[nSfx].nOffset - m_aSamples[nSfx].nLoopStart) : m_aSamples[nSfx].nOffset; - int32 size = (m_aSamples[nSfx].nLoopStart > 0) ? (m_aSamples[nSfx].nLoopEnd - m_aSamples[nSfx].nLoopStart) : m_aSamples[nSfx].nSize; - - void *data = malloc(size); - ASSERT(data != NULL); - - if ( fseek(fpSampleDataHandle, offset + nSampleBankDiscStartOffset[nBank], SEEK_SET) != 0 ) - { - free(data); - return false; - } - - if ( fread(data, 1, size, fpSampleDataHandle) != size ) - { - free(data); - return false; - } - - ALuint buf; - alGenBuffers(1, &buf); - alBufferData(buf, AL_FORMAT_MONO16, data, size, MAX_FREQ); - free(data); - - if ( !IsSampleBankLoaded(nBank) ) - return false; - - ALBuffers[nSfx].buffer = buf; - ALBuffers[nSfx].timer = 120000; - - buffer = ALBuffers[nSfx].buffer; - - ChannelSample[nChannel] = nSfx; - } - else - { - if ( !IsPedCommentLoaded(nSfx) ) - return false; - - int32 slot = _GetPedCommentSlot(nSfx); - - buffer = pedBuffers[slot]; - } - - if ( buffer == 0 ) - { - TRACE("No buffer to play id %d", nSfx); - return false; - } - - if ( GetChannelUsedFlag(nChannel) ) - { - TRACE("Stopping channel %d - really!!!", nChannel); - StopChannel(nChannel); - } - - alSourcei(alChannel[nChannel], AL_BUFFER, 0); - currentChannelVolume [nChannel] = -1; - currentChannelFrequency [nChannel] = -1; - currentChannelMaxFrontDistance[nChannel] = -1; - - if ( alChannel[nChannel] ) - { - alSourcei(alChannel[nChannel], AL_BUFFER, buffer); - alSourcef(alChannel[nChannel], AL_PITCH, 1.0f); - ChannelPitch[nChannel] = 1.0f; - return true; - } - - return false; -} - -void -cSampleManager::SetChannelEmittingVolume(uint32 nChannel, uint32 nVolume) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - - uint32 vol = nVolume; - if ( vol > MAX_VOLUME ) vol = MAX_VOLUME; - - nChannelVolume[nChannel] = vol; - - // reduce the volume for JB.MP3 and S4_BDBD.MP3 - if ( MusicManager.GetMusicMode() == MUSICMODE_CUTSCENE - && MusicManager.GetCurrentTrack() != STREAMED_SOUND_NEWS_INTRO - && MusicManager.GetCurrentTrack() != STREAMED_SOUND_CUTSCENE_SAL4_BDBD ) - { - nChannelVolume[nChannel] >>= 2; - } - - uint32 channelVol = m_nEffectsFadeVolume*nChannelVolume[nChannel]*m_nEffectsVolume >> 14; - if ( ChannelSample[nChannel] >= SFX_CAR_REV_1 && SFX_CAR_REV_10 >= ChannelSample[nChannel] ) // nice hack - channelVol >>= 1; - - if ( alChannel[nChannel] ) - { - if ( currentChannelVolume[nChannel] != channelVol ) - { - ALfloat gain = ALfloat(channelVol) / MAX_VOLUME; - alSourcef(alChannel[nChannel], AL_GAIN, gain); - currentChannelVolume[nChannel] = channelVol; - } - } -} - -void -cSampleManager::SetChannel3DPosition(uint32 nChannel, float fX, float fY, float fZ) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - - if ( alChannel[nChannel] ) - { - alSource3f(alChannel[nChannel], AL_POSITION, -fX, fY, fZ); - } -} - -void -cSampleManager::SetChannel3DDistances(uint32 nChannel, float fMax, float fMin) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - - if ( alChannel[nChannel] ) - { - if ( float(currentChannelMaxFrontDistance[nChannel]) != fMax ) - { - alSourcef(alChannel[nChannel], AL_MAX_DISTANCE, fMax); - alSourcef(alChannel[nChannel], AL_REFERENCE_DISTANCE, 5.0f); - alSourcef(alChannel[nChannel], AL_MAX_GAIN, 1.0f); - currentChannelMaxFrontDistance[nChannel] = int32(fMax); - } - } -} - -void -cSampleManager::SetChannelVolume(uint32 nChannel, uint32 nVolume) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - - if ( nChannel == CHANNEL2D ) - { - uint32 vol = nVolume; - if ( vol > MAX_VOLUME ) vol = MAX_VOLUME; - - nChannelVolume[nChannel] = vol; - - // increase the volume for JB.MP3 and S4_BDBD.MP3 - if ( MusicManager.GetMusicMode() == MUSICMODE_CUTSCENE - && MusicManager.GetCurrentTrack() != STREAMED_SOUND_NEWS_INTRO - && MusicManager.GetCurrentTrack() != STREAMED_SOUND_CUTSCENE_SAL4_BDBD ) - { - nChannelVolume[nChannel] >>= 2; - } - - uint32 channelVol = m_nEffectsFadeVolume*nChannelVolume[nChannel]*m_nEffectsVolume >> 14; - if ( ChannelSample[nChannel] >= SFX_CAR_REV_1 && SFX_CAR_IDLE_10 >= ChannelSample[nChannel] ) // nice hack - channelVol >>= 1; - - if ( alChannel[nChannel] ) - { - if ( currentChannelVolume[nChannel] != channelVol ) - { - ALfloat gain = ALfloat(channelVol) / MAX_VOLUME; - alSourcef(alChannel[nChannel], AL_GAIN, gain); - currentChannelVolume[nChannel] = channelVol; - } - } - } -} - -void -cSampleManager::SetChannelPan(uint32 nChannel, uint32 nPan) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - ; // NOIMP -} - -void -cSampleManager::SetChannelFrequency(uint32 nChannel, uint32 nFreq) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - - if ( alChannel[nChannel] ) - { - if ( currentChannelFrequency[nChannel] != nFreq ) - { - ALfloat pitch = ALfloat(nFreq) / MAX_FREQ; - alSourcef(alChannel[nChannel], AL_PITCH, pitch); - currentChannelFrequency[nChannel] = nFreq; - - if ( Abs(1.0f - pitch) < 0.01f ) - ChannelPitch[nChannel] = 1.0f; - else - ChannelPitch[nChannel] = pitch; - } - } -} - -void -cSampleManager::SetChannelLoopPoints(uint32 nChannel, uint32 nLoopStart, int32 nLoopEnd) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - - ; // NOIMP -} - -void -cSampleManager::SetChannelLoopCount(uint32 nChannel, uint32 nLoopCount) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - - if ( nLoopCount != 0 ) - alSourcei(alChannel[nChannel], AL_LOOPING, AL_FALSE); - else - alSourcei(alChannel[nChannel], AL_LOOPING, AL_TRUE); -} - -bool -cSampleManager::GetChannelUsedFlag(uint32 nChannel) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - - if ( alChannel[nChannel] ) - { - ALint sourceState; - alGetSourcei(alChannel[nChannel], AL_SOURCE_STATE, &sourceState); - return sourceState == AL_PLAYING; - } - - return false; -} - -void -cSampleManager::StartChannel(uint32 nChannel) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - - if ( alChannel[nChannel] ) - { - if ( ChannelSample[nChannel] > SAMPLEBANK_END ) // PED's Bank - { - if ( ChannelPitch[nChannel] != 1.0f ) - ChannelPitch[nChannel] = 1.0f; - } - - alSourcef (alChannel[nChannel], AL_PITCH, ChannelPitch[nChannel]); - alSourcePlay(alChannel[nChannel]); - } -} - -void -cSampleManager::StopChannel(uint32 nChannel) -{ - ASSERT( nChannel < MAXCHANNELS+MAX2DCHANNELS ); - - if ( alChannel[nChannel] ) - { - alSourceStop(alChannel[nChannel]); - - currentChannelVolume [nChannel] = -1; - currentChannelFrequency [nChannel] = -1; - currentChannelMaxFrontDistance[nChannel] = -1; - ChannelPitch [nChannel] = 1.0f; - } -} - -void -cSampleManager::PreloadStreamedFile(uint8 nFile, uint8 nStream) -{ - char filename[256]; - - ASSERT( nStream < MAX_STREAMS ); - - if ( nFile < TOTAL_STREAMED_SOUNDS ) - { - if ( mp3Stream[nStream] ) - { - delete mp3Stream[nStream]; - mp3Stream[nStream] = NULL; - } - - strcpy(filename, StreamedNameTable[nFile]); - - MP3Stream *stream = new MP3Stream(filename, ALStreamSources[nStream], ALStreamBuffers[nStream]); - ASSERT(stream != NULL); - - mp3Stream[nStream] = stream; - - if ( stream->m_bIsOpened ) - { - ; - } - else - { - delete stream; - mp3Stream[nStream] = NULL; - } - } -} - -void -cSampleManager::PauseStream(uint8 nPauseFlag, uint8 nStream) -{ - ASSERT( nStream < MAX_STREAMS ); - - MP3Stream *stream = mp3Stream[nStream]; - - if ( stream ) - { - if ( nPauseFlag != 0 ) - { - if ( !stream->m_bIsPaused ) - { - alSourcePause(stream->m_alSource); - stream->m_bIsPaused = true; - } - } - else - { - if ( stream->m_bIsPaused ) - { - alSourcef(stream->m_alSource, AL_PITCH, 1.0f); - alSourcePlay(stream->m_alSource); - stream->m_bIsPaused = false; - } - } - } -} - -void -cSampleManager::StartPreloadedStreamedFile(uint8 nStream) -{ - ASSERT( nStream < MAX_STREAMS ); - - MP3Stream *stream = mp3Stream[nStream]; - - if ( stream ) - { - stream->Initialize(); - if ( stream->m_bIsOpened ) - { - //NOTE: set pos here on mobile - - if ( stream->FillBuffers() != 0 ) - { - alSourcef(stream->m_alSource, AL_PITCH, 1.0f); - alSourcePlay(stream->m_alSource); - stream->m_bIsFree = false; - } - } - } -} - -bool -cSampleManager::StartStreamedFile(uint8 nFile, uint32 nPos, uint8 nStream) -{ - char filename[256]; - - ASSERT( nStream < MAX_STREAMS ); - - if ( nFile < TOTAL_STREAMED_SOUNDS ) - { - if ( mp3Stream[nStream] ) - { - delete mp3Stream[nStream]; - mp3Stream[nStream] = NULL; - } - - strcpy(filename, StreamedNameTable[nFile]); - - MP3Stream *stream = new MP3Stream(filename, ALStreamSources[nStream], ALStreamBuffers[nStream]); - ASSERT(stream != NULL); - - mp3Stream[nStream] = stream; - - if ( stream->m_bIsOpened ) - { - stream->Initialize(); - nStreamLength[nFile] = stream->m_nLength; - //MusicManager.SetTrackInfoLength(nFile, stream->m_nLength); - - if ( stream->m_bIsOpened ) - { - if ( nPos != 0 ) - { - stream->SetPos(nPos); - } - - if ( stream->FillBuffers() != 0 ) - { - alSourcef(stream->m_alSource, AL_PITCH, 1.0f); - alSourcePlay(stream->m_alSource); - stream->m_bIsFree = false; - } - } - - return true; - } - else - { - delete stream; - mp3Stream[nStream] = NULL; - } - } - - return false; -} - -void -cSampleManager::StopStreamedFile(uint8 nStream) -{ - ASSERT( nStream < MAX_STREAMS ); - - MP3Stream *stream = mp3Stream[nStream]; - - if ( stream ) - { - delete stream; - mp3Stream[nStream] = NULL; - } -} - -int32 -cSampleManager::GetStreamedFilePosition(uint8 nStream) -{ - ASSERT( nStream < MAX_STREAMS ); - - MP3Stream *stream = mp3Stream[nStream]; - - if ( stream ) - { - return (ftell(stream->m_fpFile) * 8) / stream->m_nBitRate; - } - - return 0; -} - -void -cSampleManager::SetStreamedVolumeAndPan(uint8 nVolume, uint8 nPan, uint8 nEffectFlag, uint8 nStream) -{ - ASSERT( nStream < MAX_STREAMS ); - - if ( nVolume > MAX_VOLUME ) - nVolume = MAX_VOLUME; - - if ( nPan > MAX_VOLUME ) - nPan = MAX_VOLUME; - - nStreamVolume[nStream] = m_nMusicFadeVolume * nVolume; - nStreamPan [nStream] = nPan; - - MP3Stream *stream = mp3Stream[nStream]; - - if ( stream ) - { - uint32 vol; - if ( nEffectFlag ) - vol = m_nEffectsFadeVolume*nVolume*m_nEffectsVolume >> 14; - else - vol = m_nMusicFadeVolume*nVolume*m_nMusicVolume >> 14; - - if ( stream->m_nVolume != vol ) - { - if ( stream->m_bIsOpened ) - { - ALuint source = stream->m_alSource; - if ( source ) - { - ALfloat gain = ALfloat(vol) / MAX_VOLUME; - alSourcef(source, AL_GAIN, gain); - stream = mp3Stream[nStream]; - } - } - - stream->m_nVolume = vol; - } - } -} - -int32 -cSampleManager::GetStreamedFileLength(uint8 nStream) -{ - ASSERT( nStream < TOTAL_STREAMED_SOUNDS ); - - return nStreamLength[nStream]; -} - -bool -cSampleManager::IsStreamPlaying(uint8 nStream) -{ - ASSERT( nStream < MAX_STREAMS ); - - MP3Stream *stream = mp3Stream[nStream]; - - if ( stream && stream->m_bIsOpened && !stream->m_bIsPaused ) - { - ALint sourceState; - alGetSourcei(stream->m_alSource, AL_SOURCE_STATE, &sourceState); - if ( !stream->m_bIsFree || sourceState == AL_PLAYING ) - return true; - } - - return false; -} - -void -cSampleManager::Service(void) -{ - for ( int32 i = 0; i < MAX_STREAMS; i++ ) - { - if ( mp3Stream[i] ) - mp3Stream[i]->Update(); - } - - UpdateSoundBuffers(); -} - -bool -cSampleManager::InitialiseSampleBanks(void) -{ - int32 nBank = SAMPLEBANK_MAIN; - - fpSampleDescHandle = fopen(SampleBankDescFilename, "rb"); - if ( fpSampleDescHandle == NULL ) - return false; - - fpSampleDataHandle = fopen(SampleBankDataFilename, "rb"); - if ( fpSampleDataHandle == NULL ) - { - fclose(fpSampleDescHandle); - fpSampleDescHandle = NULL; - - return false; - } - - fseek(fpSampleDataHandle, 0, SEEK_END); - int32 _nSampleDataEndOffset = ftell(fpSampleDataHandle); - rewind(fpSampleDataHandle); - - fread(m_aSamples, sizeof(tSample), TOTAL_AUDIO_SAMPLES, fpSampleDescHandle); - - fclose(fpSampleDescHandle); - fpSampleDescHandle = NULL; - - for ( int32 i = 0; i < TOTAL_AUDIO_SAMPLES; i++ ) - { - if ( BankStartOffset[nBank] == BankStartOffset[SAMPLEBANK_MAIN] + i ) - { - nSampleBankDiscStartOffset[nBank] = m_aSamples[i].nOffset; - nBank++; - } - } - - nSampleBankSize[SAMPLEBANK_MAIN] = nSampleBankDiscStartOffset[SAMPLEBANK_PED] - nSampleBankDiscStartOffset[SAMPLEBANK_MAIN]; - nSampleBankSize[SAMPLEBANK_PED] = _nSampleDataEndOffset - nSampleBankDiscStartOffset[SAMPLEBANK_PED]; - - return true; -} - -/* -sub_1D8D40 -PreloadSoundBank(tSample *,uchar) -CheckOpenALChannels(void) -*/ - -void MP3Stream::Initialize(void) -{ - if ( !m_bIsOpened ) - return; - - mpg123_format_none(m_pMPG); - - mpg123_format(m_pMPG, 11000, MPG123_MONO|MPG123_STEREO, MPG123_ENC_SIGNED_16); - mpg123_format(m_pMPG, 24000, MPG123_MONO|MPG123_STEREO, MPG123_ENC_SIGNED_16); - mpg123_format(m_pMPG, 32000, MPG123_MONO|MPG123_STEREO, MPG123_ENC_SIGNED_16); - mpg123_format(m_pMPG, 44100, MPG123_MONO|MPG123_STEREO, MPG123_ENC_SIGNED_16); - - if ( mpg123_open_feed(m_pMPG) != MPG123_OK ) - return; - - const uint32 CHUNK_SIZE = 1024*5; - - if ( fread(m_pBuf, 1, CHUNK_SIZE, m_fpFile) != CHUNK_SIZE ) - { - Delete(); - return; - } - - m_nBufSize -= CHUNK_SIZE; - - mpg123_feed(m_pMPG, m_pBuf, CHUNK_SIZE); - - if ( mpg123_getformat(m_pMPG, &m_nRate, &m_nChannels, &m_nEncoding) != MPG123_OK ) - { - Delete(); - return; - } - - mpg123_frameinfo info; - if ( mpg123_info(m_pMPG, &info) != MPG123_OK ) - { - Delete(); - return; - } - - m_nBitRate = info.bitrate; - m_nLength = 8 * m_nLengthInBytes / info.bitrate; - m_nBlockSize = mpg123_outblock(m_pMPG); - m_nNumBlocks = 5; - m_pBlocks = (unsigned char *)malloc(m_nNumBlocks * m_nBlockSize); -} - -bool MP3Stream::FillBuffer(ALuint alBuffer) -{ - size_t done; - - uint8 *pBlockBuff = (uint8 *)m_pBlocks; - - bool fail = !(m_nBufSize > 1); - - int err = mpg123_read(m_pMPG, m_pBlocks, m_nBlockSize, &done); - if ( alBuffer == 0 ) - { - if ( err == MPG123_OK ) - { - while ( mpg123_read(m_pMPG, pBlockBuff, m_nBlockSize, &done) == MPG123_OK ) - ; - } - - return true; - } - - int32 blocks = 0; - for ( blocks = 0; blocks < m_nNumBlocks; blocks++ ) - { - if ( err == MPG123_NEED_MORE ) - { - if ( fail ) - break; - - size_t readSize = m_nBufSize; - if ( readSize > 0x4000 ) - { - if ( fread(m_pBuf, 1, 0x4000, m_fpFile) != 0x4000 ) - { - fail = true; - TRACE("MP3 ************* : MP3 read unsuccessful mid file, stopping queuing"); - break; - } - - m_nBufSize -= 0x4000; - mpg123_feed(m_pMPG, m_pBuf, 0x4000); - } - else - { - if ( fread(m_pBuf, 1, readSize, m_fpFile) != readSize ) - { - fail = true; - break; - } - - m_nBufSize -= readSize; - mpg123_feed(m_pMPG, m_pBuf, readSize); - } - } - else if ( err == MPG123_OK ) - { - pBlockBuff += m_nBlockSize; - } - else - { - fail = true; - break; - } - - err = mpg123_read(m_pMPG, pBlockBuff, m_nBlockSize, &done); - } - - if ( blocks != 0 ) - { - if ( m_nChannels == 1 ) - alBufferData(alBuffer, AL_FORMAT_MONO16, m_pBlocks, m_nBlockSize*blocks, m_nRate); - else - alBufferData(alBuffer, AL_FORMAT_STEREO16, m_pBlocks, m_nBlockSize*blocks, m_nRate); - } - - if ( fail && blocks < m_nNumBlocks ) - m_bIsFree = true; - - return blocks != 0; -} - -void MP3Stream::Update(void) -{ - if ( !m_bIsOpened ) - return; - - if ( m_bIsFree ) - return; - - if ( !m_bIsPaused ) - { - ALint sourceState; - ALint buffersProcessed = 0; - - alGetSourcei(m_alSource, AL_SOURCE_STATE, &sourceState); - alGetSourcei(m_alSource, AL_BUFFERS_PROCESSED, &buffersProcessed); - - ALint looping = AL_FALSE; - alGetSourcei(m_alSource, AL_LOOPING, &looping); - - if ( looping == AL_TRUE ) - { - TRACE("stream set looping"); - alSourcei(m_alSource, AL_LOOPING, AL_TRUE); - } - - while( buffersProcessed-- ) - { - ALuint buffer; - - alSourceUnqueueBuffers(m_alSource, 1, &buffer); - - if ( !m_bIsFree && FillBuffer(buffer) ) - alSourceQueueBuffers(m_alSource, 1, &buffer); - } - - if ( sourceState != AL_PLAYING ) - { - alSourcef(m_alSource, AL_PITCH, 1.0f); - alSourcePlay(m_alSource); - } - } -} - -void MP3Stream::SetPos(uint32 nPos) -{ - uint32 pos = nPos; - if ( nPos > m_nLength ) - pos %= m_nLength; - - uint32 blockPos = m_nBitRate * pos / 8; - if ( blockPos > m_nLengthInBytes ) - blockPos %= m_nLengthInBytes; - - fseek(m_fpFile, blockPos, SEEK_SET); - - size_t done; - while ( mpg123_read(m_pMPG, m_pBlocks, m_nBlockSize, &done) == MPG123_OK ) - ; -} - -int32 MP3Stream::FillBuffers() -{ - int32 i = 0; - for ( i = 0; i < ARRAY_SIZE(m_alBuffers); i++ ) - { - if ( !FillBuffer(m_alBuffers[i]) ) - break; - alSourceQueueBuffers(m_alSource, 1, &m_alBuffers[i]); - } - - return i; -} - -MP3Stream::MP3Stream(char *filename, ALuint source, ALuint *buffers) -{ - strcpy(m_aFilename, filename); - memset(m_alBuffers, 0, sizeof(m_alBuffers)); - m_alSource = source; - memcpy(m_alBuffers, buffers, sizeof(m_alBuffers)); - m_nVolume = -1; - m_pBlocks = NULL; - m_pBuf = NULL; - m_pMPG = NULL; - m_bIsPaused = false; - m_bIsOpened = true; - m_bIsFree = true; - m_fpFile = fopen(m_aFilename, "rb"); - - if ( m_fpFile ) - { - m_nBufSize = filelength(fileno(m_fpFile)); - m_nLengthInBytes = m_nBufSize; - m_pMPG = mpg123_new(NULL, NULL); - m_pBuf = (unsigned char *)malloc(0x4000); - } - else - { - m_bIsOpened = false; - Delete(); - } -} - -void MP3Stream::Delete() -{ - if ( m_pMPG ) - { - mpg123_delete(m_pMPG); - m_pMPG = NULL; - } - - if ( m_fpFile ) - { - fclose(m_fpFile); - m_fpFile = NULL; - } - - if ( m_alSource ) - { - ALint sourceState = AL_STOPPED; - alGetSourcei(m_alSource, AL_SOURCE_STATE, &sourceState); - if (sourceState != AL_STOPPED ) - alSourceStop(m_alSource); - - ALint buffersQueued; - alGetSourcei(m_alSource, AL_BUFFERS_QUEUED, &buffersQueued); - - ALuint value; - while (buffersQueued--) - alSourceUnqueueBuffers(m_alSource, 1, &value); - - m_alSource = 0; - } - - if ( m_pBlocks ) - { - free(m_pBlocks); - m_pBlocks = NULL; - } - - if ( m_pBuf ) - { - free(m_pBuf); - m_pBuf = NULL; - } - - m_bIsOpened = false; -}
\ No newline at end of file |