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@ -227,7 +227,8 @@ void TraceLog(int msgType, const char *text, ...); // Show trace lo |
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typedef enum { AUDIO_BUFFER_USAGE_STATIC = 0, AUDIO_BUFFER_USAGE_STREAM } AudioBufferUsage; |
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// Audio buffer structure |
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typedef struct AudioBuffer { |
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typedef struct AudioBuffer AudioBuffer; |
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struct AudioBuffer { |
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mal_dsp dsp; // For format conversion. |
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float volume; |
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float pitch; |
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@ -238,10 +239,10 @@ typedef struct AudioBuffer { |
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bool isSubBufferProcessed[2]; |
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unsigned int frameCursorPos; |
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unsigned int bufferSizeInFrames; |
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AudioBuffer* next; |
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AudioBuffer* prev; |
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AudioBuffer *next; |
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AudioBuffer *prev; |
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unsigned char buffer[1]; |
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} AudioBuffer; |
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}; |
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void StopAudioBuffer(AudioBuffer *audioBuffer); |
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@ -250,48 +251,46 @@ static mal_device device; |
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static mal_bool32 isAudioInitialized = MAL_FALSE; |
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static float masterVolume = 1; |
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static mal_mutex audioLock; |
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static AudioBuffer* firstAudioBuffer = NULL; // Audio buffers are tracked in a linked list. |
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static AudioBuffer* lastAudioBuffer = NULL; |
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static AudioBuffer *firstAudioBuffer = NULL; // Audio buffers are tracked in a linked list. |
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static AudioBuffer *lastAudioBuffer = NULL; |
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static void TrackAudioBuffer(AudioBuffer* audioBuffer) |
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{ |
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mal_mutex_lock(&audioLock); |
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{ |
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if (firstAudioBuffer == NULL) p">{ |
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firstAudioBuffer = audioBuffer; |
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} else { |
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if (firstAudioBuffer == NULL) n">firstAudioBuffer = audioBuffer; |
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else |
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{ |
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lastAudioBuffer->next = audioBuffer; |
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audioBuffer->prev = lastAudioBuffer; |
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} |
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lastAudioBuffer = audioBuffer; |
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} |
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mal_mutex_unlock(&audioLock); |
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} |
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static void UntrackAudioBuffer(AudioBuffer* audioBuffer) |
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{ |
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mal_mutex_lock(&audioLock); |
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{ |
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if (audioBuffer->prev == NULL) { |
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firstAudioBuffer = audioBuffer->next; |
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} else { |
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audioBuffer->prev->next = audioBuffer->next; |
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} |
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if (audioBuffer->prev == NULL) firstAudioBuffer = audioBuffer->next; |
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else audioBuffer->prev->next = audioBuffer->next; |
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if (audioBuffer->next == NULL) { |
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lastAudioBuffer = audioBuffer->prev; |
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} else { |
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audioBuffer->next->prev = audioBuffer->prev; |
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} |
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if (audioBuffer->next == NULL) lastAudioBuffer = audioBuffer->prev; |
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else audioBuffer->next->prev = audioBuffer->prev; |
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audioBuffer->prev = NULL; |
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audioBuffer->next = NULL; |
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} |
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mal_mutex_unlock(&audioLock); |
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} |
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static void OnLog_MAL(mal_context* pContext, mal_device* pDevice, const char* message) |
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static void OnLog_MAL(mal_context *pContext, mal_device *pDevice, const char *message) |
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{ |
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(void)pContext; |
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(void)pDevice; |
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@ -303,17 +302,19 @@ static void OnLog_MAL(mal_context* pContext, mal_device* pDevice, const char* me |
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// framesOut is both an input and an output. It will be initially filled with zeros outside of this function. |
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static void MixFrames(float* framesOut, const float* framesIn, mal_uint32 frameCount, float localVolume) |
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{ |
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for (mal_uint32 iFrame = 0; iFrame < frameCount; ++iFrame) { |
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for (mal_uint32 iChannel = 0; iChannel < device.channels; ++iChannel) { |
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float* frameOut = framesOut + (iFrame * device.channels); |
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const float* frameIn = framesIn + (iFrame * device.channels); |
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for (mal_uint32 iFrame = 0; iFrame < frameCount; ++iFrame) |
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{ |
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for (mal_uint32 iChannel = 0; iChannel < device.channels; ++iChannel) |
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{ |
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float *frameOut = framesOut + (iFrame*device.channels); |
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const float *frameIn = framesIn + (iFrame*device.channels); |
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frameOut[iChannel] += frameIn[iChannel] * masterVolume * localVolume; |
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frameOut[iChannel] += frameIn[iChannel]*masterVolume*localVolume; |
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} |
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} |
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} |
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static mal_uint32 OnSendAudioDataToDevice(mal_device* pDevice, mal_uint32 frameCount, void* pFramesOut) |
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static mal_uint32 OnSendAudioDataToDevice(mal_device *pDevice, mal_uint32 frameCount, void *pFramesOut) |
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{ |
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// This is where all of the mixing takes place. |
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(void)pDevice; |
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@ -328,27 +329,28 @@ static mal_uint32 OnSendAudioDataToDevice(mal_device* pDevice, mal_uint32 frameC |
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for (AudioBuffer* audioBuffer = firstAudioBuffer; audioBuffer != NULL; audioBuffer = audioBuffer->next) |
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{ |
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// Ignore stopped or paused sounds. |
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if (!audioBuffer->playing || audioBuffer->paused) { |
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continue; |
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} |
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if (!audioBuffer->playing || audioBuffer->paused) continue; |
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mal_uint32 framesRead = 0; |
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for (;;) { |
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if (framesRead > frameCount) { |
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for (;;) |
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{ |
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if (framesRead > frameCount) |
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{ |
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TraceLog(LOG_DEBUG, "Mixed too many frames from audio buffer"); |
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break; |
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} |
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if (framesRead == frameCount) { |
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break; |
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} |
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if (framesRead == frameCount) break; |
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// Just read as much data as we can from the stream. |
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mal_uint32 framesToRead = (frameCount - framesRead); |
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while (framesToRead > 0) { |
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while (framesToRead > 0) |
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{ |
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float tempBuffer[1024]; // 512 frames for stereo. |
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mal_uint32 framesToReadRightNow = framesToRead; |
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if (framesToReadRightNow > sizeof(tempBuffer)/sizeof(tempBuffer[0])/DEVICE_CHANNELS) { |
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if (framesToReadRightNow > sizeof(tempBuffer)/sizeof(tempBuffer[0])/DEVICE_CHANNELS) |
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{ |
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framesToReadRightNow = sizeof(tempBuffer)/sizeof(tempBuffer[0])/DEVICE_CHANNELS; |
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} |
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@ -357,9 +359,10 @@ static mal_uint32 OnSendAudioDataToDevice(mal_device* pDevice, mal_uint32 frameC |
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mal_bool32 flushDSP = !audioBuffer->looping; |
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mal_uint32 framesJustRead = mal_dsp_read_frames_ex(&audioBuffer->dsp, framesToReadRightNow, tempBuffer, flushDSP); |
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if (framesJustRead > 0) { |
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float* framesOut = (float*)pFramesOut + (framesRead * device.channels); |
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float* framesIn = tempBuffer; |
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if (framesJustRead > 0) |
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{ |
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float *framesOut = (float *)pFramesOut + (framesRead*device.channels); |
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float *framesIn = tempBuffer; |
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MixFrames(framesOut, framesIn, framesJustRead, audioBuffer->volume); |
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framesToRead -= framesJustRead; |
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@ -367,11 +370,15 @@ static mal_uint32 OnSendAudioDataToDevice(mal_device* pDevice, mal_uint32 frameC |
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} |
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// If we weren't able to read all the frames we requested, break. |
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if (framesJustRead < framesToReadRightNow) { |
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if (!audioBuffer->looping) { |
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if (framesJustRead < framesToReadRightNow) |
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{ |
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if (!audioBuffer->looping) |
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{ |
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StopAudioBuffer(audioBuffer); |
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break; |
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} else { |
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} |
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else |
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{ |
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// Should never get here, but just for safety, move the cursor position back to the start and continue the loop. |
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audioBuffer->frameCursorPos = 0; |
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continue; |
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@ -381,12 +388,11 @@ static mal_uint32 OnSendAudioDataToDevice(mal_device* pDevice, mal_uint32 frameC |
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// If for some reason we weren't able to read every frame we'll need to break from the loop. Not doing this could |
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// theoretically put us into an infinite loop. |
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if (framesToRead > 0) { |
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break; |
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} |
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if (framesToRead > 0) break; |
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} |
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} |
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} |
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mal_mutex_unlock(&audioLock); |
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return frameCount; // We always output the same number of frames that were originally requested. |
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@ -488,7 +494,8 @@ void InitAudioDevice(void) |
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void CloseAudioDevice(void) |
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{ |
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#if USE_MINI_AL |
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if (!isAudioInitialized) { |
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if (!isAudioInitialized) |
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{ |
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TraceLog(LOG_WARNING, "Could not close audio device because it is not currently initialized"); |
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return; |
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} |
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@ -551,11 +558,13 @@ void SetMasterVolume(float volume) |
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#if USE_MINI_AL |
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static mal_uint32 AudioBuffer_OnDSPRead(mal_dsp* pDSP, mal_uint32 frameCount, void* pFramesOut, void* pUserData) |
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{ |
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AudioBuffer* audioBuffer = (AudioBuffer*)pUserData; |
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AudioBuffer *audioBuffer = (AudioBuffer *)pUserData; |
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mal_uint32 subBufferSizeInFrames = audioBuffer->bufferSizeInFrames / 2; |
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mal_uint32 currentSubBufferIndex = audioBuffer->frameCursorPos / subBufferSizeInFrames; |
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if (currentSubBufferIndex > 1) { |
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mal_uint32 subBufferSizeInFrames = audioBuffer->bufferSizeInFrames/2; |
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mal_uint32 currentSubBufferIndex = audioBuffer->frameCursorPos/subBufferSizeInFrames; |
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if (currentSubBufferIndex > 1) |
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{ |
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TraceLog(LOG_DEBUG, "Frame cursor position moved too far forward in audio stream"); |
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return 0; |
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} |
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@ -565,7 +574,7 @@ static mal_uint32 AudioBuffer_OnDSPRead(mal_dsp* pDSP, mal_uint32 frameCount, vo |
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isSubBufferProcessed[0] = audioBuffer->isSubBufferProcessed[0]; |
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isSubBufferProcessed[1] = audioBuffer->isSubBufferProcessed[1]; |
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mal_uint32 frameSizeInBytes = mal_get_sample_size_in_bytes(audioBuffer->dsp.config.formatIn) * audioBuffer->dsp.config.channelsIn; |
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mal_uint32 frameSizeInBytes = mal_get_sample_size_in_bytes(audioBuffer->dsp.config.formatIn)*audioBuffer->dsp.config.channelsIn; |
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// Fill out every frame until we find a buffer that's marked as processed. Then fill the remainder with 0. |
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mal_uint32 framesRead = 0; |
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@ -573,49 +582,47 @@ static mal_uint32 AudioBuffer_OnDSPRead(mal_dsp* pDSP, mal_uint32 frameCount, vo |
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{ |
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// We break from this loop differently depending on the buffer's usage. For static buffers, we simply fill as much data as we can. For |
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// streaming buffers we only fill the halves of the buffer that are processed. Unprocessed halves must keep their audio data in-tact. |
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if (audioBuffer->usage == AUDIO_BUFFER_USAGE_STATIC) { |
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if (framesRead >= frameCount) { |
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break; |
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} |
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} else { |
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if (isSubBufferProcessed[currentSubBufferIndex]) { |
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break; |
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} |
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if (audioBuffer->usage == AUDIO_BUFFER_USAGE_STATIC) |
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{ |
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if (framesRead >= frameCount) break; |
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} |
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else |
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{ |
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if (isSubBufferProcessed[currentSubBufferIndex]) break; |
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} |
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mal_uint32 totalFramesRemaining = (frameCount - framesRead); |
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if (totalFramesRemaining == 0) { |
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break; |
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} |
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if (totalFramesRemaining == 0) break; |
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mal_uint32 framesRemainingInOutputBuffer; |
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if (audioBuffer->usage == AUDIO_BUFFER_USAGE_STATIC) { |
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if (audioBuffer->usage == AUDIO_BUFFER_USAGE_STATIC) |
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{ |
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framesRemainingInOutputBuffer = audioBuffer->bufferSizeInFrames - audioBuffer->frameCursorPos; |
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} else { |
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} |
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else |
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{ |
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mal_uint32 firstFrameIndexOfThisSubBuffer = subBufferSizeInFrames * currentSubBufferIndex; |
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framesRemainingInOutputBuffer = subBufferSizeInFrames - (audioBuffer->frameCursorPos - firstFrameIndexOfThisSubBuffer); |
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} |
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mal_uint32 framesToRead = totalFramesRemaining; |
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if (framesToRead > framesRemainingInOutputBuffer) { |
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framesToRead = framesRemainingInOutputBuffer; |
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} |
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if (framesToRead > framesRemainingInOutputBuffer) framesToRead = framesRemainingInOutputBuffer; |
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memcpy((unsigned char*)pFramesOut + (framesRead*frameSizeInBytes), audioBuffer->buffer + (audioBuffer->frameCursorPos*frameSizeInBytes), framesToRead*frameSizeInBytes); |
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memcpy((unsigned char *)pFramesOut + (framesRead*frameSizeInBytes), audioBuffer->buffer + (audioBuffer->frameCursorPos*frameSizeInBytes), framesToRead*frameSizeInBytes); |
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audioBuffer->frameCursorPos = (audioBuffer->frameCursorPos + framesToRead) % audioBuffer->bufferSizeInFrames; |
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framesRead += framesToRead; |
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// If we've read to the end of the buffer, mark it as processed. |
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if (framesToRead == framesRemainingInOutputBuffer) { |
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if (framesToRead == framesRemainingInOutputBuffer) |
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{ |
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audioBuffer->isSubBufferProcessed[currentSubBufferIndex] = true; |
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isSubBufferProcessed[currentSubBufferIndex] = true; |
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currentSubBufferIndex = (currentSubBufferIndex + 1) % 2; |
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// We need to break from this loop if we're not looping. |
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if (!audioBuffer->looping) { |
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if (!audioBuffer->looping) |
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{ |
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StopAudioBuffer(audioBuffer); |
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break; |
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} |
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@ -624,24 +631,23 @@ static mal_uint32 AudioBuffer_OnDSPRead(mal_dsp* pDSP, mal_uint32 frameCount, vo |
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// Zero-fill excess. |
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mal_uint32 totalFramesRemaining = (frameCount - framesRead); |
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if (totalFramesRemaining > 0) { |
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if (totalFramesRemaining > 0) |
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{ |
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memset((unsigned char*)pFramesOut + (framesRead*frameSizeInBytes), 0, totalFramesRemaining*frameSizeInBytes); |
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// For static buffers we can fill the remaining frames with silence for safety, but we don't want |
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// to report those frames as "read". The reason for this is that the caller uses the return value |
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// to know whether or not a non-looping sound has finished playback. |
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if (audioBuffer->usage != AUDIO_BUFFER_USAGE_STATIC) { |
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framesRead += totalFramesRemaining; |
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} |
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if (audioBuffer->usage != AUDIO_BUFFER_USAGE_STATIC) framesRead += totalFramesRemaining; |
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} |
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return framesRead; |
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} |
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// Create a new audio buffer. Initially filled with silence. |
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AudioBuffer* CreateAudioBuffer(mal_format format, mal_uint32 channels, mal_uint32 sampleRate, mal_uint32 bufferSizeInFrames, AudioBufferUsage usage) |
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AudioBuffer *CreateAudioBuffer(mal_format format, mal_uint32 channels, mal_uint32 sampleRate, mal_uint32 bufferSizeInFrames, AudioBufferUsage usage) |
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{ |
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AudioBuffer* audioBuffer = (AudioBuffer*)calloc(sizeof(*audioBuffer) + (bufferSizeInFrames*channels*mal_get_sample_size_in_bytes(format)), 1); |
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AudioBuffer *audioBuffer = (AudioBuffer *)calloc(sizeof(*audioBuffer) + (bufferSizeInFrames*channels*mal_get_sample_size_in_bytes(format)), 1); |
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if (audioBuffer == NULL) |
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{ |
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TraceLog(LOG_ERROR, "CreateAudioBuffer() : Failed to allocate memory for audio buffer"); |
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@ -658,7 +664,8 @@ AudioBuffer* CreateAudioBuffer(mal_format format, mal_uint32 channels, mal_uint3 |
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dspConfig.sampleRateIn = sampleRate; |
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dspConfig.sampleRateOut = DEVICE_SAMPLE_RATE; |
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mal_result resultMAL = mal_dsp_init(&dspConfig, AudioBuffer_OnDSPRead, audioBuffer, &audioBuffer->dsp); |
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if (resultMAL != MAL_SUCCESS) { |
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if (resultMAL != MAL_SUCCESS) |
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{ |
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TraceLog(LOG_ERROR, "LoadSoundFromWave() : Failed to create data conversion pipeline"); |
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free(audioBuffer); |
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return NULL; |
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@ -683,7 +690,7 @@ AudioBuffer* CreateAudioBuffer(mal_format format, mal_uint32 channels, mal_uint3 |
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} |
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// Delete an audio buffer. |
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void DeleteAudioBuffer(AudioBuffer* audioBuffer) |
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void DeleteAudioBuffer(AudioBuffer *audioBuffer) |
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{ |
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if (audioBuffer == NULL) |
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{ |
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@ -696,7 +703,7 @@ void DeleteAudioBuffer(AudioBuffer* audioBuffer) |
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} |
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// Check if an audio buffer is playing. |
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bool IsAudioBufferPlaying(AudioBuffer* audioBuffer) |
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bool IsAudioBufferPlaying(AudioBuffer *audioBuffer) |
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{ |
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if (audioBuffer == NULL) |
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{ |
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@ -711,7 +718,7 @@ bool IsAudioBufferPlaying(AudioBuffer* audioBuffer) |
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// |
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// This will restart the buffer from the start. Use PauseAudioBuffer() and ResumeAudioBuffer() if the playback position |
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// should be maintained. |
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void PlayAudioBuffer(AudioBuffer* audioBuffer) |
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void PlayAudioBuffer(AudioBuffer *audioBuffer) |
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{ |
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if (audioBuffer == NULL) |
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|
{ |
|
|
@ -725,7 +732,7 @@ void PlayAudioBuffer(AudioBuffer* audioBuffer) |
|
|
|
} |
|
|
|
|
|
|
|
// Stop an audio buffer. |
|
|
|
void StopAudioBuffer(AudioBuffer* audioBuffer) |
|
|
|
void StopAudioBuffer(AudioBuffer *audioBuffer) |
|
|
|
{ |
|
|
|
if (audioBuffer == NULL) |
|
|
|
{ |
|
|
@ -734,10 +741,7 @@ void StopAudioBuffer(AudioBuffer* audioBuffer) |
|
|
|
} |
|
|
|
|
|
|
|
// Don't do anything if the audio buffer is already stopped. |
|
|
|
if (!IsAudioBufferPlaying(audioBuffer)) |
|
|
|
{ |
|
|
|
return; |
|
|
|
} |
|
|
|
if (!IsAudioBufferPlaying(audioBuffer)) return; |
|
|
|
|
|
|
|
audioBuffer->playing = false; |
|
|
|
audioBuffer->paused = false; |
|
|
@ -747,7 +751,7 @@ void StopAudioBuffer(AudioBuffer* audioBuffer) |
|
|
|
} |
|
|
|
|
|
|
|
// Pause an audio buffer. |
|
|
|
void PauseAudioBuffer(AudioBuffer* audioBuffer) |
|
|
|
void PauseAudioBuffer(AudioBuffer *audioBuffer) |
|
|
|
{ |
|
|
|
if (audioBuffer == NULL) |
|
|
|
{ |
|
|
@ -759,7 +763,7 @@ void PauseAudioBuffer(AudioBuffer* audioBuffer) |
|
|
|
} |
|
|
|
|
|
|
|
// Resume an audio buffer. |
|
|
|
void ResumeAudioBuffer(AudioBuffer* audioBuffer) |
|
|
|
void ResumeAudioBuffer(AudioBuffer *audioBuffer) |
|
|
|
{ |
|
|
|
if (audioBuffer == NULL) |
|
|
|
{ |
|
|
@ -771,7 +775,7 @@ void ResumeAudioBuffer(AudioBuffer* audioBuffer) |
|
|
|
} |
|
|
|
|
|
|
|
// Set volume for an audio buffer. |
|
|
|
void SetAudioBufferVolume(AudioBuffer* audioBuffer, float volume) |
|
|
|
void SetAudioBufferVolume(AudioBuffer *audioBuffer, float volume) |
|
|
|
{ |
|
|
|
if (audioBuffer == NULL) |
|
|
|
{ |
|
|
@ -783,7 +787,7 @@ void SetAudioBufferVolume(AudioBuffer* audioBuffer, float volume) |
|
|
|
} |
|
|
|
|
|
|
|
// Set pitch for an audio buffer. |
|
|
|
void SetAudioBufferPitch(AudioBuffer* audioBuffer, float pitch) |
|
|
|
void SetAudioBufferPitch(AudioBuffer *audioBuffer, float pitch) |
|
|
|
{ |
|
|
|
if (audioBuffer == NULL) |
|
|
|
{ |
|
|
@ -874,23 +878,13 @@ Sound LoadSoundFromWave(Wave wave) |
|
|
|
mal_uint32 frameCountIn = wave.sampleCount; // Is wave->sampleCount actually the frame count? That terminology needs to change, if so. |
|
|
|
|
|
|
|
mal_uint32 frameCount = mal_convert_frames(NULL, DEVICE_FORMAT, DEVICE_CHANNELS, DEVICE_SAMPLE_RATE, NULL, formatIn, wave.channels, wave.sampleRate, frameCountIn); |
|
|
|
if (frameCount == 0) { |
|
|
|
TraceLog(LOG_ERROR, "LoadSoundFromWave() : Failed to get frame count for format conversion"); |
|
|
|
} |
|
|
|
|
|
|
|
if (frameCount == 0) TraceLog(LOG_ERROR, "LoadSoundFromWave() : Failed to get frame count for format conversion"); |
|
|
|
|
|
|
|
AudioBuffer* audioBuffer = CreateAudioBuffer(DEVICE_FORMAT, DEVICE_CHANNELS, DEVICE_SAMPLE_RATE, frameCount, AUDIO_BUFFER_USAGE_STATIC); |
|
|
|
if (audioBuffer == NULL) |
|
|
|
{ |
|
|
|
TraceLog(LOG_ERROR, "LoadSoundFromWave() : Failed to create audio buffer"); |
|
|
|
} |
|
|
|
|
|
|
|
if (audioBuffer == NULL) TraceLog(LOG_ERROR, "LoadSoundFromWave() : Failed to create audio buffer"); |
|
|
|
|
|
|
|
frameCount = mal_convert_frames(audioBuffer->buffer, audioBuffer->dsp.config.formatIn, audioBuffer->dsp.config.channelsIn, audioBuffer->dsp.config.sampleRateIn, wave.data, formatIn, wave.channels, wave.sampleRate, frameCountIn); |
|
|
|
if (frameCount == 0) |
|
|
|
{ |
|
|
|
TraceLog(LOG_ERROR, "LoadSoundFromWave() : Format conversion failed"); |
|
|
|
} |
|
|
|
if (frameCount == 0) TraceLog(LOG_ERROR, "LoadSoundFromWave() : Format conversion failed"); |
|
|
|
|
|
|
|
sound.audioBuffer = audioBuffer; |
|
|
|
#else |
|
|
@ -965,7 +959,7 @@ void UnloadWave(Wave wave) |
|
|
|
void UnloadSound(Sound sound) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
DeleteAudioBuffer((AudioBuffer*)sound.audioBuffer); |
|
|
|
DeleteAudioBuffer((AudioBuffer *)sound.audioBuffer); |
|
|
|
#else |
|
|
|
alSourceStop(sound.source); |
|
|
|
|
|
|
@ -981,7 +975,7 @@ void UnloadSound(Sound sound) |
|
|
|
void UpdateSound(Sound sound, const void *data, int samplesCount) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
AudioBuffer* audioBuffer = (AudioBuffer*)sound.audioBuffer; |
|
|
|
AudioBuffer *audioBuffer = (AudioBuffer *)sound.audioBuffer; |
|
|
|
if (audioBuffer == NULL) |
|
|
|
{ |
|
|
|
TraceLog(LOG_ERROR, "UpdateSound() : Invalid sound - no audio buffer"); |
|
|
@ -1021,7 +1015,7 @@ void UpdateSound(Sound sound, const void *data, int samplesCount) |
|
|
|
void PlaySound(Sound sound) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
PlayAudioBuffer((AudioBuffer*)sound.audioBuffer); |
|
|
|
PlayAudioBuffer((AudioBuffer *)sound.audioBuffer); |
|
|
|
#else |
|
|
|
alSourcePlay(sound.source); // Play the sound |
|
|
|
#endif |
|
|
@ -1046,7 +1040,7 @@ void PlaySound(Sound sound) |
|
|
|
void PauseSound(Sound sound) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
PauseAudioBuffer((AudioBuffer*)sound.audioBuffer); |
|
|
|
PauseAudioBuffer((AudioBuffer *)sound.audioBuffer); |
|
|
|
#else |
|
|
|
alSourcePause(sound.source); |
|
|
|
#endif |
|
|
@ -1056,7 +1050,7 @@ void PauseSound(Sound sound) |
|
|
|
void ResumeSound(Sound sound) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
ResumeAudioBuffer((AudioBuffer*)sound.audioBuffer); |
|
|
|
ResumeAudioBuffer((AudioBuffer *)sound.audioBuffer); |
|
|
|
#else |
|
|
|
ALenum state; |
|
|
|
|
|
|
@ -1070,7 +1064,7 @@ void ResumeSound(Sound sound) |
|
|
|
void StopSound(Sound sound) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
StopAudioBuffer((AudioBuffer*)sound.audioBuffer); |
|
|
|
StopAudioBuffer((AudioBuffer *)sound.audioBuffer); |
|
|
|
#else |
|
|
|
alSourceStop(sound.source); |
|
|
|
#endif |
|
|
@ -1080,7 +1074,7 @@ void StopSound(Sound sound) |
|
|
|
bool IsSoundPlaying(Sound sound) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
return IsAudioBufferPlaying((AudioBuffer*)sound.audioBuffer); |
|
|
|
return IsAudioBufferPlaying((AudioBuffer *)sound.audioBuffer); |
|
|
|
#else |
|
|
|
bool playing = false; |
|
|
|
ALint state; |
|
|
@ -1096,7 +1090,7 @@ bool IsSoundPlaying(Sound sound) |
|
|
|
void SetSoundVolume(Sound sound, float volume) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
SetAudioBufferVolume((AudioBuffer*)sound.audioBuffer, volume); |
|
|
|
SetAudioBufferVolume((AudioBuffer *)sound.audioBuffer, volume); |
|
|
|
#else |
|
|
|
alSourcef(sound.source, AL_GAIN, volume); |
|
|
|
#endif |
|
|
@ -1106,7 +1100,7 @@ void SetSoundVolume(Sound sound, float volume) |
|
|
|
void SetSoundPitch(Sound sound, float pitch) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
SetAudioBufferPitch((AudioBuffer*)sound.audioBuffer, pitch); |
|
|
|
SetAudioBufferPitch((AudioBuffer *)sound.audioBuffer, pitch); |
|
|
|
#else |
|
|
|
alSourcef(sound.source, AL_PITCH, pitch); |
|
|
|
#endif |
|
|
@ -1121,15 +1115,17 @@ void WaveFormat(Wave *wave, int sampleRate, int sampleSize, int channels) |
|
|
|
mal_uint32 frameCountIn = wave->sampleCount; // Is wave->sampleCount actually the frame count? That terminology needs to change, if so. |
|
|
|
|
|
|
|
mal_uint32 frameCount = mal_convert_frames(NULL, formatOut, channels, sampleRate, NULL, formatIn, wave->channels, wave->sampleRate, frameCountIn); |
|
|
|
if (frameCount == 0) { |
|
|
|
if (frameCount == 0) |
|
|
|
{ |
|
|
|
TraceLog(LOG_ERROR, "WaveFormat() : Failed to get frame count for format conversion."); |
|
|
|
return; |
|
|
|
} |
|
|
|
|
|
|
|
void* data = malloc(frameCount * channels * (sampleSize/8)); |
|
|
|
void *data = malloc(frameCount*channels*(sampleSize/8)); |
|
|
|
|
|
|
|
frameCount = mal_convert_frames(data, formatOut, channels, sampleRate, wave->data, formatIn, wave->channels, wave->sampleRate, frameCountIn); |
|
|
|
if (frameCount == 0) { |
|
|
|
if (frameCount == 0) |
|
|
|
{ |
|
|
|
TraceLog(LOG_ERROR, "WaveFormat() : Format conversion failed."); |
|
|
|
return; |
|
|
|
} |
|
|
@ -1404,7 +1400,7 @@ void UnloadMusicStream(Music music) |
|
|
|
void PlayMusicStream(Music music) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
AudioBuffer* audioBuffer = (AudioBuffer*)music->stream.audioBuffer; |
|
|
|
AudioBuffer *audioBuffer = (AudioBuffer *)music->stream.audioBuffer; |
|
|
|
if (audioBuffer == NULL) |
|
|
|
{ |
|
|
|
TraceLog(LOG_ERROR, "PlayMusicStream() : No audio buffer"); |
|
|
@ -1416,9 +1412,9 @@ void PlayMusicStream(Music music) |
|
|
|
// // just make sure to play again on window restore |
|
|
|
// if (IsMusicPlaying(music)) PlayMusicStream(music); |
|
|
|
mal_uint32 frameCursorPos = audioBuffer->frameCursorPos; |
|
|
|
{ |
|
|
|
PlayAudioStream(music->stream); // <-- This resets the cursor position. |
|
|
|
} |
|
|
|
|
|
|
|
PlayAudioStream(music->stream); // <-- This resets the cursor position. |
|
|
|
|
|
|
|
audioBuffer->frameCursorPos = frameCursorPos; |
|
|
|
#else |
|
|
|
alSourcePlay(music->stream.source); |
|
|
@ -1502,7 +1498,7 @@ void UpdateMusicStream(Music music) |
|
|
|
#if USE_MINI_AL |
|
|
|
bool streamEnding = false; |
|
|
|
|
|
|
|
unsigned int subBufferSizeInFrames = ((AudioBuffer*)music->stream.audioBuffer)->bufferSizeInFrames / 2; |
|
|
|
unsigned int subBufferSizeInFrames = ((AudioBuffer *)music->stream.audioBuffer)->bufferSizeInFrames/2; |
|
|
|
|
|
|
|
// NOTE: Using dynamic allocation because it could require more than 16KB |
|
|
|
void *pcm = calloc(subBufferSizeInFrames*music->stream.sampleSize/8*music->stream.channels, 1); |
|
|
@ -1566,10 +1562,7 @@ void UpdateMusicStream(Music music) |
|
|
|
} |
|
|
|
else |
|
|
|
{ |
|
|
|
if (music->loopCount == -1) |
|
|
|
{ |
|
|
|
PlayMusicStream(music); |
|
|
|
} |
|
|
|
if (music->loopCount == -1) PlayMusicStream(music); |
|
|
|
} |
|
|
|
} |
|
|
|
else |
|
|
@ -1756,11 +1749,9 @@ AudioStream InitAudioStream(unsigned int sampleRate, unsigned int sampleSize, un |
|
|
|
// The size of a streaming buffer must be at least double the size of a period. |
|
|
|
unsigned int periodSize = device.bufferSizeInFrames / device.periods; |
|
|
|
unsigned int subBufferSize = AUDIO_BUFFER_SIZE; |
|
|
|
if (subBufferSize < periodSize) { |
|
|
|
subBufferSize = periodSize; |
|
|
|
} |
|
|
|
if (subBufferSize < periodSize) subBufferSize = periodSize; |
|
|
|
|
|
|
|
AudioBuffer* audioBuffer = CreateAudioBuffer(formatIn, stream.channels, stream.sampleRate, subBufferSize*2, AUDIO_BUFFER_USAGE_STREAM); |
|
|
|
AudioBuffer *audioBuffer = CreateAudioBuffer(formatIn, stream.channels, stream.sampleRate, subBufferSize*2, AUDIO_BUFFER_USAGE_STREAM); |
|
|
|
if (audioBuffer == NULL) |
|
|
|
{ |
|
|
|
TraceLog(LOG_ERROR, "InitAudioStream() : Failed to create audio buffer"); |
|
|
@ -1825,7 +1816,7 @@ AudioStream InitAudioStream(unsigned int sampleRate, unsigned int sampleSize, un |
|
|
|
void CloseAudioStream(AudioStream stream) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
DeleteAudioBuffer((AudioBuffer*)stream.audioBuffer); |
|
|
|
DeleteAudioBuffer((AudioBuffer *)stream.audioBuffer); |
|
|
|
#else |
|
|
|
// Stop playing channel |
|
|
|
alSourceStop(stream.source); |
|
|
@ -1879,23 +1870,22 @@ void UpdateAudioStream(AudioStream stream, const void *data, int samplesCount) |
|
|
|
} |
|
|
|
|
|
|
|
mal_uint32 subBufferSizeInFrames = audioBuffer->bufferSizeInFrames/2; |
|
|
|
unsigned char *subBuffer = audioBuffer->buffer + ((subBufferSizeInFrames * stream.channels * (stream.sampleSize/8)) * subBufferToUpdate); |
|
|
|
unsigned char *subBuffer = audioBuffer->buffer + ((subBufferSizeInFrames*stream.channels*(stream.sampleSize/8))*subBufferToUpdate); |
|
|
|
|
|
|
|
// Does this API expect a whole buffer to be updated in one go? Assuming so, but if not will need to change this logic. |
|
|
|
if (subBufferSizeInFrames >= (mal_uint32)samplesCount) |
|
|
|
{ |
|
|
|
mal_uint32 framesToWrite = subBufferSizeInFrames; |
|
|
|
if (framesToWrite > (mal_uint32)samplesCount) { |
|
|
|
framesToWrite = (mal_uint32)samplesCount; |
|
|
|
} |
|
|
|
if (framesToWrite > (mal_uint32)samplesCount) framesToWrite = (mal_uint32)samplesCount; |
|
|
|
|
|
|
|
mal_uint32 bytesToWrite = framesToWrite * stream.channels * (stream.sampleSize/8); |
|
|
|
mal_uint32 bytesToWrite = framesToWrite*stream.channels*(stream.sampleSize/8); |
|
|
|
memcpy(subBuffer, data, bytesToWrite); |
|
|
|
|
|
|
|
// Any leftover frames should be filled with zeros. |
|
|
|
mal_uint32 leftoverFrameCount = subBufferSizeInFrames - framesToWrite; |
|
|
|
if (leftoverFrameCount > 0) { |
|
|
|
memset(subBuffer + bytesToWrite, 0, leftoverFrameCount * stream.channels * (stream.sampleSize/8)); |
|
|
|
if (leftoverFrameCount > 0) |
|
|
|
{ |
|
|
|
memset(subBuffer + bytesToWrite, 0, leftoverFrameCount*stream.channels*(stream.sampleSize/8)); |
|
|
|
} |
|
|
|
|
|
|
|
audioBuffer->isSubBufferProcessed[subBufferToUpdate] = false; |
|
|
@ -1929,7 +1919,7 @@ void UpdateAudioStream(AudioStream stream, const void *data, int samplesCount) |
|
|
|
bool IsAudioBufferProcessed(AudioStream stream) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
AudioBuffer* audioBuffer = (AudioBuffer*)stream.audioBuffer; |
|
|
|
AudioBuffer *audioBuffer = (AudioBuffer *)stream.audioBuffer; |
|
|
|
if (audioBuffer == NULL) |
|
|
|
{ |
|
|
|
TraceLog(LOG_ERROR, "IsAudioBufferProcessed() : No audio buffer"); |
|
|
@ -1951,7 +1941,7 @@ bool IsAudioBufferProcessed(AudioStream stream) |
|
|
|
void PlayAudioStream(AudioStream stream) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
PlayAudioBuffer((AudioBuffer*)stream.audioBuffer); |
|
|
|
PlayAudioBuffer((AudioBuffer *)stream.audioBuffer); |
|
|
|
#else |
|
|
|
alSourcePlay(stream.source); |
|
|
|
#endif |
|
|
@ -1961,7 +1951,7 @@ void PlayAudioStream(AudioStream stream) |
|
|
|
void PauseAudioStream(AudioStream stream) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
PauseAudioBuffer((AudioBuffer*)stream.audioBuffer); |
|
|
|
PauseAudioBuffer((AudioBuffer *)stream.audioBuffer); |
|
|
|
#else |
|
|
|
alSourcePause(stream.source); |
|
|
|
#endif |
|
|
@ -1971,7 +1961,7 @@ void PauseAudioStream(AudioStream stream) |
|
|
|
void ResumeAudioStream(AudioStream stream) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
ResumeAudioBuffer((AudioBuffer*)stream.audioBuffer); |
|
|
|
ResumeAudioBuffer((AudioBuffer *)stream.audioBuffer); |
|
|
|
#else |
|
|
|
ALenum state; |
|
|
|
alGetSourcei(stream.source, AL_SOURCE_STATE, &state); |
|
|
@ -1984,7 +1974,7 @@ void ResumeAudioStream(AudioStream stream) |
|
|
|
bool IsAudioStreamPlaying(AudioStream stream) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
return IsAudioBufferPlaying((AudioBuffer*)stream.audioBuffer); |
|
|
|
return IsAudioBufferPlaying((AudioBuffer *)stream.audioBuffer); |
|
|
|
#else |
|
|
|
bool playing = false; |
|
|
|
ALint state; |
|
|
@ -2001,7 +1991,7 @@ bool IsAudioStreamPlaying(AudioStream stream) |
|
|
|
void StopAudioStream(AudioStream stream) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
StopAudioBuffer((AudioBuffer*)stream.audioBuffer); |
|
|
|
StopAudioBuffer((AudioBuffer *)stream.audioBuffer); |
|
|
|
#else |
|
|
|
alSourceStop(stream.source); |
|
|
|
#endif |
|
|
@ -2010,7 +2000,7 @@ void StopAudioStream(AudioStream stream) |
|
|
|
void SetAudioStreamVolume(AudioStream stream, float volume) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
SetAudioBufferVolume((AudioBuffer*)stream.audioBuffer, volume); |
|
|
|
SetAudioBufferVolume((AudioBuffer *)stream.audioBuffer, volume); |
|
|
|
#else |
|
|
|
alSourcef(stream.source, AL_GAIN, volume); |
|
|
|
#endif |
|
|
@ -2019,7 +2009,7 @@ void SetAudioStreamVolume(AudioStream stream, float volume) |
|
|
|
void SetAudioStreamPitch(AudioStream stream, float pitch) |
|
|
|
{ |
|
|
|
#if USE_MINI_AL |
|
|
|
SetAudioBufferPitch((AudioBuffer*)stream.audioBuffer, pitch); |
|
|
|
SetAudioBufferPitch((AudioBuffer *)stream.audioBuffer, pitch); |
|
|
|
#else |
|
|
|
alSourcef(stream.source, AL_PITCH, pitch); |
|
|
|
#endif |
|
|
|