diff options
Diffstat (limited to 'src/audio/oal')
-rw-r--r-- | src/audio/oal/channel.cpp | 134 | ||||
-rw-r--r-- | src/audio/oal/channel.h | 18 | ||||
-rw-r--r-- | src/audio/oal/stream.cpp | 20 |
3 files changed, 93 insertions, 79 deletions
diff --git a/src/audio/oal/channel.cpp b/src/audio/oal/channel.cpp index 731e3581..673a4aed 100644 --- a/src/audio/oal/channel.cpp +++ b/src/audio/oal/channel.cpp @@ -10,17 +10,49 @@ extern bool IsFXSupported(); +ALuint alSources[MAXCHANNELS+MAX2DCHANNELS]; +ALuint alFilters[MAXCHANNELS+MAX2DCHANNELS]; +ALuint alBuffers[MAXCHANNELS+MAX2DCHANNELS]; +bool bChannelsCreated = false; + +void +CChannel::InitChannels() +{ + alGenSources(MAXCHANNELS+MAX2DCHANNELS, alSources); + alGenBuffers(MAXCHANNELS+MAX2DCHANNELS, alBuffers); + if (IsFXSupported()) + alGenFilters(MAXCHANNELS + MAX2DCHANNELS, alFilters); + bChannelsCreated = true; +} + +void +CChannel::DestroyChannels() +{ + if (bChannelsCreated) + { + alDeleteSources(MAXCHANNELS + MAX2DCHANNELS, alSources); + memset(alSources, 0, sizeof(alSources)); + alDeleteBuffers(MAXCHANNELS + MAX2DCHANNELS, alBuffers); + memset(alBuffers, 0, sizeof(alBuffers)); + if (IsFXSupported()) + { + alDeleteFilters(MAXCHANNELS + MAX2DCHANNELS, alFilters); + memset(alFilters, 0, sizeof(alFilters)); + } + bChannelsCreated = false; + } +} + + CChannel::CChannel() { - alSource = AL_NONE; - alFilter = AL_FILTER_NULL; + Data = nil; + DataSize = 0; SetDefault(); } void CChannel::SetDefault() { - alBuffer = AL_NONE; - Pitch = 1.0f; Gain = 1.0f; Mix = 0.0f; @@ -39,25 +71,19 @@ void CChannel::Reset() SetDefault(); } -void CChannel::Init(bool Is2D) +void CChannel::Init(uint32 _id, bool Is2D) { - ASSERT(!HasSource()); - alGenSources(1, &alSource); + id = _id; if ( HasSource() ) { - alSourcei(alSource, AL_SOURCE_RELATIVE, AL_TRUE); + alSourcei(alSources[id], AL_SOURCE_RELATIVE, AL_TRUE); if ( IsFXSupported() ) - alSource3i(alSource, AL_AUXILIARY_SEND_FILTER, AL_EFFECTSLOT_NULL, 0, AL_FILTER_NULL); + alSource3i(alSources[id], AL_AUXILIARY_SEND_FILTER, AL_EFFECTSLOT_NULL, 0, AL_FILTER_NULL); if ( Is2D ) { - alSource3f(alSource, AL_POSITION, 0.0f, 0.0f, 0.0f); - alSourcef (alSource, AL_GAIN, 1.0f); - } - else - { - if ( IsFXSupported() ) - alGenFilters(1,&alFilter); + alSource3f(alSources[id], AL_POSITION, 0.0f, 0.0f, 0.0f); + alSourcef(alSources[id], AL_GAIN, 1.0f); } } } @@ -69,39 +95,34 @@ void CChannel::Term() { if ( IsFXSupported() ) { - alSource3i(alSource, AL_AUXILIARY_SEND_FILTER, AL_EFFECTSLOT_NULL, 0, AL_FILTER_NULL); - - if(alFilter != AL_FILTER_NULL) - alDeleteFilters(1,&alFilter); + alSource3i(alSources[id], AL_AUXILIARY_SEND_FILTER, AL_EFFECTSLOT_NULL, 0, AL_FILTER_NULL); } - - alDeleteSources(1, &alSource); } - alSource = AL_NONE; - alFilter = AL_FILTER_NULL; } void CChannel::Start() { if ( !HasSource() ) return; - + if ( !Data ) return; + + alBufferData(alBuffers[id], AL_FORMAT_MONO16, Data, DataSize, Frequency); if ( LoopPoints[0] != 0 && LoopPoints[0] != -1 ) - alBufferiv(alBuffer, AL_LOOP_POINTS_SOFT, LoopPoints); - alSourcei (alSource, AL_BUFFER, alBuffer); - alSourcePlay(alSource); + alBufferiv(alBuffers[id], AL_LOOP_POINTS_SOFT, LoopPoints); + alSourcei(alSources[id], AL_BUFFER, alBuffers[id]); + alSourcePlay(alSources[id]); } void CChannel::Stop() { if ( HasSource() ) - alSourceStop(alSource); + alSourceStop(alSources[id]); Reset(); } bool CChannel::HasSource() { - return alSource != AL_NONE; + return alSources[id] != AL_NONE; } bool CChannel::IsUsed() @@ -109,7 +130,7 @@ bool CChannel::IsUsed() if ( HasSource() ) { ALint sourceState; - alGetSourcei(alSource, AL_SOURCE_STATE, &sourceState); + alGetSourcei(alSources[id], AL_SOURCE_STATE, &sourceState); return sourceState == AL_PLAYING; } return false; @@ -118,27 +139,24 @@ bool CChannel::IsUsed() void CChannel::SetPitch(float pitch) { if ( !HasSource() ) return; - alSourcef(alSource, AL_PITCH, pitch); + alSourcef(alSources[id], AL_PITCH, pitch); } void CChannel::SetGain(float gain) { if ( !HasSource() ) return; - alSourcef(alSource, AL_GAIN, gain); + alSourcef(alSources[id], AL_GAIN, gain); } void CChannel::SetVolume(int32 vol) { SetGain(ALfloat(vol) / MAX_VOLUME); } - -void CChannel::SetSampleID(uint32 nSfx) -{ - Sample = nSfx; -} - -void CChannel::SetFreq(int32 freq) + +void CChannel::SetSampleData(void *_data, size_t _DataSize, int32 freq) { + Data = _data; + DataSize = _DataSize; Frequency = freq; } @@ -150,7 +168,7 @@ void CChannel::SetCurrentFreq(uint32 freq) void CChannel::SetLoopCount(int32 loopCount) // fake. TODO: { if ( !HasSource() ) return; - alSourcei(alSource, AL_LOOPING, loopCount == 1 ? AL_FALSE : AL_TRUE); + alSourcei(alSources[id], AL_LOOPING, loopCount == 1 ? AL_FALSE : AL_TRUE); } void CChannel::SetLoopPoints(ALint start, ALint end) @@ -162,53 +180,49 @@ void CChannel::SetLoopPoints(ALint start, ALint end) void CChannel::SetPosition(float x, float y, float z) { if ( !HasSource() ) return; - alSource3f(alSource, AL_POSITION, x, y, z); + alSource3f(alSources[id], AL_POSITION, x, y, z); } void CChannel::SetDistances(float max, float min) { if ( !HasSource() ) return; - alSourcef (alSource, AL_MAX_DISTANCE, max); - alSourcef (alSource, AL_REFERENCE_DISTANCE, min); - alSourcef (alSource, AL_MAX_GAIN, 1.0f); - alSourcef (alSource, AL_ROLLOFF_FACTOR, 1.0f); + alSourcef (alSources[id], AL_MAX_DISTANCE, max); + alSourcef (alSources[id], AL_REFERENCE_DISTANCE, min); + alSourcef (alSources[id], AL_MAX_GAIN, 1.0f); + alSourcef (alSources[id], AL_ROLLOFF_FACTOR, 1.0f); } -void CChannel::SetPan(uint32 pan) +void CChannel::SetPan(int32 pan) { SetPosition((pan-63)/64.0f, 0.0f, Sqrt(1.0f-SQR((pan-63)/64.0f))); } -void CChannel::SetBuffer(ALuint buffer) -{ - alBuffer = buffer; -} - void CChannel::ClearBuffer() { if ( !HasSource() ) return; - SetBuffer(AL_NONE); - alSourcei(alSource, AL_BUFFER, AL_NONE); + alSourcei(alSources[id], AL_BUFFER, AL_NONE); + Data = nil; + DataSize = 0; } void CChannel::SetReverbMix(ALuint slot, float mix) { if ( !IsFXSupported() ) return; if ( !HasSource() ) return; - if ( alFilter == AL_FILTER_NULL ) return; + if ( alFilters[id] == AL_FILTER_NULL ) return; Mix = mix; - EAX3_SetReverbMix(alFilter, mix); - alSource3i(alSource, AL_AUXILIARY_SEND_FILTER, slot, 0, alFilter); + EAX3_SetReverbMix(alFilters[id], mix); + alSource3i(alSources[id], AL_AUXILIARY_SEND_FILTER, slot, 0, alFilters[id]); } void CChannel::UpdateReverb(ALuint slot) { if ( !IsFXSupported() ) return; if ( !HasSource() ) return; - if ( alFilter == AL_FILTER_NULL ) return; - EAX3_SetReverbMix(alFilter, Mix); - alSource3i(alSource, AL_AUXILIARY_SEND_FILTER, slot, 0, alFilter); + if ( alFilters[id] == AL_FILTER_NULL ) return; + EAX3_SetReverbMix(alFilters[id], Mix); + alSource3i(alSources[id], AL_AUXILIARY_SEND_FILTER, slot, 0, alFilters[id]); } #endif diff --git a/src/audio/oal/channel.h b/src/audio/oal/channel.h index 0c86bdc6..81817a32 100644 --- a/src/audio/oal/channel.h +++ b/src/audio/oal/channel.h @@ -9,22 +9,24 @@ class CChannel { - ALuint alSource; - ALuint alFilter; - ALuint alBuffer; + uint32 id; float Pitch, Gain; float Mix; + void *Data; + size_t DataSize; int32 Frequency; float Position[3]; float Distances[2]; int32 LoopCount; ALint LoopPoints[2]; - uint32 Sample; public: + static void InitChannels(); + static void DestroyChannels(); + CChannel(); void SetDefault(); void Reset(); - void Init(bool Is2D = false); + void Init(uint32 _id, bool Is2D = false); void Term(); void Start(); void Stop(); @@ -33,15 +35,13 @@ public: void SetPitch(float pitch); void SetGain(float gain); void SetVolume(int32 vol); - void SetSampleID(uint32 nSfx); - void SetFreq(int32 freq); + void SetSampleData(void *_data, size_t _DataSize, int32 freq); void SetCurrentFreq(uint32 freq); void SetLoopCount(int32 loopCount); // fake void SetLoopPoints(ALint start, ALint end); void SetPosition(float x, float y, float z); void SetDistances(float max, float min); - void SetPan(uint32 pan); - void SetBuffer(ALuint buffer); + void SetPan(int32 pan); void ClearBuffer(); void SetReverbMix(ALuint slot, float mix); void UpdateReverb(ALuint slot); diff --git a/src/audio/oal/stream.cpp b/src/audio/oal/stream.cpp index c4f1b67c..3adb702a 100644 --- a/src/audio/oal/stream.cpp +++ b/src/audio/oal/stream.cpp @@ -195,7 +195,7 @@ public: if (m_FileH) { m_nChannels = op_head(m_FileH, 0)->channel_count; - m_nRate = op_head(m_FileH, 0)->input_sample_rate; + m_nRate = 48000; const OpusTags *tags = op_tags(m_FileH, 0); for (int i = 0; i < tags->comments; i++) { if (strncmp(tags->user_comments[i], "SAMPLERATE", sizeof("SAMPLERATE")-1) == 0) @@ -323,8 +323,8 @@ CStream::CStream(char *filename, ALuint &source, ALuint (&buffers)[NUM_STREAMBUF #endif else m_pSoundFile = nil; - ASSERT(m_pSoundFile != nil); - if (m_pSoundFile && m_pSoundFile->IsOpened() ) + + if ( IsOpened() ) { m_pBuffer = malloc(m_pSoundFile->GetBufferSize()); ASSERT(m_pBuffer!=nil); @@ -371,14 +371,14 @@ bool CStream::HasSource() bool CStream::IsOpened() { - return m_pSoundFile->IsOpened(); + return m_pSoundFile && m_pSoundFile->IsOpened(); } bool CStream::IsPlaying() { if ( !HasSource() || !IsOpened() ) return false; - if ( m_pSoundFile->IsOpened() && !m_bPaused ) + if ( !m_bPaused ) { ALint sourceState; alGetSourcei(m_alSource, AL_SOURCE_STATE, &sourceState); @@ -446,7 +446,7 @@ void CStream::SetPan(uint8 nPan) void CStream::SetPosMS(uint32 nPos) { - if ( !m_pSoundFile->IsOpened() ) return; + if ( !IsOpened() ) return; m_pSoundFile->Seek(nPos); ClearBuffers(); } @@ -454,7 +454,7 @@ void CStream::SetPosMS(uint32 nPos) uint32 CStream::GetPosMS() { if ( !HasSource() ) return 0; - if ( !m_pSoundFile->IsOpened() ) return 0; + if ( !IsOpened() ) return 0; ALint offset; //alGetSourcei(m_alSource, AL_SAMPLE_OFFSET, &offset); @@ -467,7 +467,7 @@ uint32 CStream::GetPosMS() uint32 CStream::GetLengthMS() { - if ( !m_pSoundFile->IsOpened() ) return 0; + if ( !IsOpened() ) return 0; return m_pSoundFile->GetLength(); } @@ -475,7 +475,7 @@ bool CStream::FillBuffer(ALuint alBuffer) { if ( !HasSource() ) return false; - if ( !m_pSoundFile->IsOpened() ) + if ( !IsOpened() ) return false; if ( !(alBuffer != AL_NONE && alIsBuffer(alBuffer)) ) return false; @@ -517,7 +517,7 @@ void CStream::ClearBuffers() bool CStream::Setup() { - if ( m_pSoundFile->IsOpened() ) + if ( IsOpened() ) { m_pSoundFile->Seek(0); alSourcei(m_alSource, AL_SOURCE_RELATIVE, AL_TRUE); |