forked from MoonsideGames/FAudioGMS
change streaming to use OnBufferEnded callback
parent
9983fa3275
commit
23eab952c1
149
src/FAudioGMS.c
149
src/FAudioGMS.c
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@ -142,52 +142,6 @@ static inline uint32_t IdStack_Pop(IdStack* stack)
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return stack->array[stack->count];
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}
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typedef struct BufferQueue
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{
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uint32_t head;
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uint32_t tail;
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uint32_t size; /* DO NOT MUTATE */
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uint32_t count; /* number of currently enqueued elements */
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uint8_t** buffers;
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} BufferQueue;
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static inline void BufferQueue_Init(BufferQueue* queue, uint32_t size)
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{
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queue->head = 0;
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queue->tail = 0;
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queue->size = size;
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queue->count = 0;
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queue->buffers = SDL_malloc(size * sizeof(uint8_t*));
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}
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static inline uint8_t* BufferQueue_Dequeue(BufferQueue *queue)
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{
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if (queue->tail == queue->head)
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{
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return NULL;
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}
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uint8_t* buffer = queue->buffers[queue->tail];
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queue->buffers[queue->tail] = NULL;
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queue->tail = (queue->tail + 1) % queue->size;
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queue->count -= 1;
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return buffer;
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}
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static inline void BufferQueue_Enqueue(BufferQueue *queue, uint8_t* buffer)
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{
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if (((queue->head + 1) % queue->size) == queue->tail)
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{
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return;
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}
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queue->buffers[queue->head] = buffer;
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queue->head = (queue->head + 1) % queue->size;
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queue->count += 1;
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}
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typedef enum FAudioGMS_SoundState
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{
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SoundState_Playing,
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@ -210,7 +164,6 @@ typedef struct FAudioGMS_StreamingSound
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{
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stb_vorbis* fileHandle;
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stb_vorbis_info info;
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BufferQueue bufferQueue;
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} FAudioGMS_StreamingSound;
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typedef struct FAudioGMS_SoundInstance
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@ -272,10 +225,8 @@ typedef struct FAudioGMS_EffectChain
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static const float SPEED_OF_SOUND = 343.5f;
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static const float DOPPLER_SCALE = 1.0f;
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static const uint32_t MINIMUM_BUFFER_CHECK = 3;
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#define MAX_BUFFER_QUEUE_COUNT 16
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#define STREAMING_BUFFER_SIZE 1024 * 8 * sizeof(float) /* FIXME: what should this value be? */
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#define STREAMING_BUFFER_SIZE 1024 * 16 * sizeof(float) /* FIXME: what should this value be? */
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typedef struct FAudioGMS_Device
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{
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@ -288,6 +239,8 @@ typedef struct FAudioGMS_Device
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F3DAUDIO_LISTENER listener;
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float spatialDistanceScale;
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FAudioVoiceCallback voiceCallbacks;
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FAudioGMS_StaticSound **staticSounds;
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uint32_t staticSoundCount;
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IdStack staticSoundIndexStack;
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@ -348,6 +301,17 @@ static inline FAudioGMS_EffectChain* FAudioGMS_INTERNAL_LookupEffectChain(uint32
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}
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}
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/* Forward declare this to avoid annoying BS */
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static void FAudioGMS_INTERNAL_SoundInstance_AddBuffer(FAudioGMS_SoundInstance* instance);
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static void FAudioGMS_INTERNAL_StreamingBufferEndCallback(FAudioVoiceCallback* callback, FAudioGMS_SoundInstance *instance)
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{
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if (instance->soundState == SoundState_Playing)
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{
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FAudioGMS_INTERNAL_SoundInstance_AddBuffer(instance);
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}
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}
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void FAudioGMS_Init(double spatialDistanceScale, double timestep)
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{
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device = SDL_malloc(sizeof(FAudioGMS_Device));
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@ -443,6 +407,14 @@ void FAudioGMS_Init(double spatialDistanceScale, double timestep)
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device->listener.Velocity.z = 0;
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device->listener.pCone = NULL;
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device->voiceCallbacks.OnBufferEnd = FAudioGMS_INTERNAL_StreamingBufferEndCallback;
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device->voiceCallbacks.OnBufferStart = NULL;
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device->voiceCallbacks.OnLoopEnd = NULL;
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device->voiceCallbacks.OnStreamEnd = NULL;
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device->voiceCallbacks.OnVoiceError = NULL;
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device->voiceCallbacks.OnVoiceProcessingPassEnd = NULL;
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device->voiceCallbacks.OnVoiceProcessingPassStart = NULL;
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device->staticSounds = NULL;
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device->staticSoundCount = 0;
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IdStack_Init(&device->staticSoundIndexStack);
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@ -458,7 +430,7 @@ void FAudioGMS_Init(double spatialDistanceScale, double timestep)
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device->timestep = timestep;
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Log("FAudio initialized successfully!");
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printf("Device: %ls", device->deviceDetails.DisplayName);
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printf("Device: %ls\n", device->deviceDetails.DisplayName);
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fflush(stdout);
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}
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@ -716,12 +688,14 @@ static void FAudioGMS_INTERNAL_Apply3D(FAudioGMS_SoundInstance* instance)
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static FAudioGMS_SoundInstance* FAudioGMS_INTERNAL_SoundInstance_Init(
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uint32_t channelCount,
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uint32_t samplesPerSecond
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uint32_t samplesPerSecond,
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uint8_t isStatic
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) {
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FAudioGMS_SoundInstance* instance = SDL_malloc(sizeof(FAudioGMS_SoundInstance));
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instance->handle = NULL;
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instance->isStatic = isStatic;
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instance->loop = 0;
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instance->destroyOnFinish = 0;
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@ -738,7 +712,7 @@ static FAudioGMS_SoundInstance* FAudioGMS_INTERNAL_SoundInstance_Init(
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&instance->format,
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FAUDIO_VOICE_USEFILTER,
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FAUDIO_DEFAULT_FREQ_RATIO,
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NULL,
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isStatic ? NULL : &device->voiceCallbacks,
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NULL,
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NULL);
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@ -802,7 +776,8 @@ static FAudioGMS_SoundInstance* FAudioGMS_INTERNAL_SoundInstance_CreateFromStati
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) {
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FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_SoundInstance_Init(
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staticSound->channels,
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staticSound->samplesPerSecond
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staticSound->samplesPerSecond,
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1
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);
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instance->isStatic = 1;
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@ -827,8 +802,6 @@ static void FAudioGMS_INTERNAL_SoundInstance_AddBuffer(FAudioGMS_SoundInstance*
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uint8_t* nextBuffer = SDL_malloc(bufferLength);
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SDL_memcpy(nextBuffer, device->streamStagingBuffer, bufferLength);
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BufferQueue_Enqueue(&instance->soundData.streamingSound.bufferQueue, nextBuffer);
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FAudioBuffer buffer;
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buffer.AudioBytes = bufferLength;
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buffer.pAudioData = nextBuffer;
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@ -842,7 +815,7 @@ static void FAudioGMS_INTERNAL_SoundInstance_AddBuffer(FAudioGMS_SoundInstance*
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buffer.LoopBegin = 0;
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buffer.LoopCount = 0;
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buffer.LoopLength = 0;
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buffer.pContext = NULL;
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buffer.pContext = instance; /* context for OnBufferEnd callback */
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FAudioSourceVoice_SubmitSourceBuffer(instance->handle, &buffer, NULL);
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@ -860,31 +833,6 @@ static void FAudioGMS_INTERNAL_SoundInstance_AddBuffer(FAudioGMS_SoundInstance*
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}
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}
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static void FAudioGMS_INTERNAL_SoundInstance_StreamingUpdate(FAudioGMS_SoundInstance* instance)
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{
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uint32_t i;
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FAudioVoiceState voiceState;
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if (instance->isStatic) { return; }
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FAudioSourceVoice_GetState(
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instance->handle,
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&voiceState,
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FAUDIO_VOICE_NOSAMPLESPLAYED
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);
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while (instance->soundData.streamingSound.bufferQueue.count > voiceState.BuffersQueued)
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{
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uint8_t* buffer = BufferQueue_Dequeue(&instance->soundData.streamingSound.bufferQueue);
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SDL_free(buffer);
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}
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for (i = MINIMUM_BUFFER_CHECK - instance->soundData.streamingSound.bufferQueue.count; i > 0; i -= 1)
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{
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FAudioGMS_INTERNAL_SoundInstance_AddBuffer(instance);
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}
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}
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double FAudioGMS_StreamingSound_LoadOGG(char* filePath)
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{
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RETURN_ON_NULL_DEVICE(-1.0)
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@ -902,15 +850,14 @@ double FAudioGMS_StreamingSound_LoadOGG(char* filePath)
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FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_SoundInstance_Init(
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info.channels,
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info.sample_rate
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info.sample_rate,
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0
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);
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instance->isStatic = 0;
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instance->soundData.streamingSound.fileHandle = fileHandle;
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instance->soundData.streamingSound.info = info;
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BufferQueue_Init(&instance->soundData.streamingSound.bufferQueue, MAX_BUFFER_QUEUE_COUNT);
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FAudioGMS_INTERNAL_SoundInstance_StreamingUpdate(instance);
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FAudioGMS_INTERNAL_SoundInstance_AddBuffer(instance);
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return instance->id;
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}
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@ -956,18 +903,6 @@ static void FAudioGMS_INTERNAL_StaticSound_AddEmitter(FAudioGMS_SoundInstance* i
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FAudioGMS_INTERNAL_Apply3D(instance);
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}
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static void FAudioGMS_INTERNAL_SoundInstance_ClearBuffers(FAudioGMS_SoundInstance* instance)
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{
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uint32_t i;
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uint32_t bufferCount = instance->soundData.streamingSound.bufferQueue.count;
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for (i = 0; i < bufferCount; i += 1)
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{
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uint8_t* buffer = BufferQueue_Dequeue(&instance->soundData.streamingSound.bufferQueue);
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SDL_free(buffer);
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}
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}
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static void FAudioGMS_INTERNAL_SoundInstance_Play(FAudioGMS_SoundInstance* instance)
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{
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if (instance->soundState == SoundState_Playing)
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@ -992,10 +927,6 @@ static void FAudioGMS_INTERNAL_SoundInstance_Play(FAudioGMS_SoundInstance* insta
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FAudioSourceVoice_SubmitSourceBuffer(instance->handle, &instance->soundData.staticSound->buffer, NULL);
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}
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else
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{
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FAudioGMS_INTERNAL_SoundInstance_StreamingUpdate(instance);
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}
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FAudioSourceVoice_Start(instance->handle, 0, 0);
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instance->soundState = SoundState_Playing;
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@ -1114,17 +1045,16 @@ static void FAudioGMS_INTERNAL_SoundInstance_Stop(FAudioGMS_SoundInstance* insta
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{
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if (instance != NULL)
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{
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instance->soundState = SoundState_Stopped; /* set this before so flush buffers doesn't trigger buffer add callback */
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FAudioSourceVoice_Stop(instance->handle, 0, 0);
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FAudioSourceVoice_FlushSourceBuffers(instance->handle);
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if (!instance->isStatic)
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{
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FAudioGMS_INTERNAL_SoundInstance_ClearBuffers(instance);
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stb_vorbis_seek_start(instance->soundData.streamingSound.fileHandle); /* back to the start */
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FAudioGMS_INTERNAL_SoundInstance_StreamingUpdate(instance); /* preload so we dont stutter on play */
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FAudioGMS_INTERNAL_SoundInstance_AddBuffer(instance); /* preload so we dont stutter on play */
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}
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instance->soundState = SoundState_Stopped;
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}
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else
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{
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@ -1317,7 +1247,6 @@ static void FAudioGMS_INTERNAL_SoundInstance_Destroy(FAudioGMS_SoundInstance* in
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FAudioVoice_DestroyVoice(instance->handle);
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if (!instance->isStatic)
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{
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SDL_free(instance->soundData.streamingSound.bufferQueue.buffers);
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stb_vorbis_close(instance->soundData.streamingSound.fileHandle);
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}
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if (instance->is3D)
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@ -1667,12 +1596,6 @@ void FAudioGMS_Update()
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FAudioGMS_INTERNAL_SoundInstance_SetVolume(instance, volume);
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}
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/* Update streaming instance */
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if (!instance->isStatic && instance->soundState == SoundState_Playing)
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{
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FAudioGMS_INTERNAL_SoundInstance_StreamingUpdate(instance);
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}
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if (instance->destroyOnFinish)
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{
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FAudioVoiceState state;
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