===========================================================================
*/
+#include "quakedef.h"
+
#include <limits.h>
#include <pthread.h>
#include <CoreAudio/AudioHardware.h>
-#include "quakedef.h"
#include "snd_main.h"
static qboolean s_isRunning = false;
static pthread_mutex_t coreaudio_mutex;
static AudioDeviceID outputDeviceID = kAudioDeviceUnknown;
+static short *mixbuffer = NULL;
/*
void *inClientData)
{
float *outBuffer;
- unsigned int frameCount, factor;
+ unsigned int frameCount, factor, sampleIndex;
+ float scale = 1.0f / SHRT_MAX;
outBuffer = (float*)outOutputData->mBuffers[0].mData;
factor = snd_renderbuffer->format.channels * snd_renderbuffer->format.width;
frameCount = 0;
+ if (snd_blocked)
+ scale = 0;
// Lock the snd_renderbuffer
if (SndSys_LockRenderBuffer())
{
- unsigned int maxFrames, sampleIndex, sampleCount;
+ unsigned int maxFrames, sampleCount;
unsigned int startOffset, endOffset;
const short *samples;
- const float scale = 1.0f / SHRT_MAX;
+
+ if (snd_usethreadedmixing)
+ {
+ S_MixToBuffer(mixbuffer, submissionChunk);
+ sampleCount = submissionChunk * snd_renderbuffer->format.channels;
+ for (sampleIndex = 0; sampleIndex < sampleCount; sampleIndex++)
+ outBuffer[sampleIndex] = mixbuffer[sampleIndex] * scale;
+ // unlock the mutex now
+ SndSys_UnlockRenderBuffer();
+ return 0;
+ }
// Transfert up to a chunk of sample frames from snd_renderbuffer to outBuffer
maxFrames = snd_renderbuffer->endframe - snd_renderbuffer->startframe;
snd_renderbuffer->startframe += frameCount;
- // Unlock the snd_renderbuffer
+ // unlock the mutex now
SndSys_UnlockRenderBuffer();
}
unsigned int missingFrames;
missingFrames = submissionChunk - frameCount;
- if (developer.integer >= 1000)
+ if (developer.integer >= 1000 && vid_activewindow)
Con_Printf("audioDeviceIOProc: %u sample frames missing\n", missingFrames);
memset(&outBuffer[frameCount * snd_renderbuffer->format.channels], 0, missingFrames * sizeof(outBuffer[0]));
}
return true;
Con_Printf("Initializing CoreAudio...\n");
+ snd_threaded = false;
- // We only accept 16-bit samples for the moment
- if (requested->width != 2)
+ if(requested->width != 2)
{
- // Suggest a 16-bit format instead
- if (suggested != NULL)
+ // we can only do 16bit per sample for now
+ if(suggested != NULL)
{
- memcpy (suggested, requested, sizeof (suggested));
+ memcpy (suggested, requested, sizeof (*suggested));
suggested->width = 2;
}
-
return false;
}
status = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &propertySize, &outputDeviceID);
if (status)
{
- Con_Printf("CoreAudio: AudioDeviceGetProperty() returned %d when getting kAudioHardwarePropertyDefaultOutputDevice\n", status);
+ Con_Printf("CoreAudio: AudioDeviceGetProperty() returned %d when getting kAudioHardwarePropertyDefaultOutputDevice\n", (int)status);
return false;
}
if (outputDeviceID == kAudioDeviceUnknown)
status = AudioDeviceSetProperty(outputDeviceID, NULL, 0, false, kAudioDevicePropertyBufferSize, propertySize, &bufferByteCount);
if (status)
{
- Con_Printf("CoreAudio: AudioDeviceSetProperty() returned %d when setting kAudioDevicePropertyBufferSize to %d\n", status, CHUNK_SIZE);
+ Con_Printf("CoreAudio: AudioDeviceSetProperty() returned %d when setting kAudioDevicePropertyBufferSize to %d\n", (int)status, CHUNK_SIZE);
return false;
}
status = AudioDeviceGetProperty(outputDeviceID, 0, false, kAudioDevicePropertyBufferSize, &propertySize, &bufferByteCount);
if (status)
{
- Con_Printf("CoreAudio: AudioDeviceGetProperty() returned %d when setting kAudioDevicePropertyBufferSize\n", status);
+ Con_Printf("CoreAudio: AudioDeviceGetProperty() returned %d when setting kAudioDevicePropertyBufferSize\n", (int)status);
return false;
}
return false;
}
submissionChunk /= requested->channels;
- Con_DPrintf(" Chunk size = %d sample frames\n", submissionChunk);
+ Con_Printf(" Chunk size = %d sample frames\n", submissionChunk);
// Print out the device status
propertySize = sizeof(streamDesc);
status = AudioDeviceGetProperty(outputDeviceID, 0, false, kAudioDevicePropertyStreamFormat, &propertySize, &streamDesc);
if (status)
{
- Con_Printf("CoreAudio: AudioDeviceGetProperty() returned %d when getting kAudioDevicePropertyStreamFormat\n", status);
- return false;
- }
- Con_DPrint (" Hardware format:\n");
- Con_DPrintf(" %5d mSampleRate\n", (unsigned int)streamDesc.mSampleRate);
- Con_DPrintf(" %c%c%c%c mFormatID\n",
- (streamDesc.mFormatID & 0xff000000) >> 24,
- (streamDesc.mFormatID & 0x00ff0000) >> 16,
- (streamDesc.mFormatID & 0x0000ff00) >> 8,
- (streamDesc.mFormatID & 0x000000ff) >> 0);
- Con_DPrintf(" %5d mBytesPerPacket\n", streamDesc.mBytesPerPacket);
- Con_DPrintf(" %5d mFramesPerPacket\n", streamDesc.mFramesPerPacket);
- Con_DPrintf(" %5d mBytesPerFrame\n", streamDesc.mBytesPerFrame);
- Con_DPrintf(" %5d mChannelsPerFrame\n", streamDesc.mChannelsPerFrame);
- Con_DPrintf(" %5d mBitsPerChannel\n", streamDesc.mBitsPerChannel);
-
- if(streamDesc.mFormatID != kAudioFormatLinearPCM)
- {
- Con_Print("CoreAudio: Default audio device doesn't support linear PCM!\n");
- return false;
- }
-
- // Add the callback function
- status = AudioDeviceAddIOProc(outputDeviceID, audioDeviceIOProc, NULL);
- if (status)
- {
- Con_Printf("CoreAudio: AudioDeviceAddIOProc() returned %d\n", status);
+ Con_Printf("CoreAudio: AudioDeviceGetProperty() returned %d when getting kAudioDevicePropertyStreamFormat\n", (int)status);
return false;
}
- // We haven't sent any sample frames yet
- coreaudiotime = 0;
-
- if (pthread_mutex_init(&coreaudio_mutex, NULL) != 0)
+ Con_Print (" Hardware format:\n");
+ Con_Printf(" %5d mSampleRate\n", (unsigned int)streamDesc.mSampleRate);
+ Con_Printf(" %c%c%c%c mFormatID\n",
+ (char)(streamDesc.mFormatID >> 24),
+ (char)(streamDesc.mFormatID >> 16),
+ (char)(streamDesc.mFormatID >> 8),
+ (char)(streamDesc.mFormatID >> 0));
+ Con_Printf(" %5u mBytesPerPacket\n", (unsigned int)streamDesc.mBytesPerPacket);
+ Con_Printf(" %5u mFramesPerPacket\n", (unsigned int)streamDesc.mFramesPerPacket);
+ Con_Printf(" %5u mBytesPerFrame\n", (unsigned int)streamDesc.mBytesPerFrame);
+ Con_Printf(" %5u mChannelsPerFrame\n", (unsigned int)streamDesc.mChannelsPerFrame);
+ Con_Printf(" %5u mBitsPerChannel\n", (unsigned int)streamDesc.mBitsPerChannel);
+
+ // Suggest proper settings if they differ
+ if (requested->channels != streamDesc.mChannelsPerFrame || requested->speed != streamDesc.mSampleRate)
{
- Con_Print("CoreAudio: can't create pthread mutex\n");
- AudioDeviceRemoveIOProc(outputDeviceID, audioDeviceIOProc);
+ if (suggested != NULL)
+ {
+ memcpy (suggested, requested, sizeof (*suggested));
+ suggested->channels = streamDesc.mChannelsPerFrame;
+ suggested->speed = streamDesc.mSampleRate;
+ }
return false;
}
- snd_renderbuffer = Snd_CreateRingBuffer(requested, 0, NULL);
-
- // Start sound running
- status = AudioDeviceStart(outputDeviceID, audioDeviceIOProc);
- if (status)
+ if(streamDesc.mFormatID == kAudioFormatLinearPCM)
{
- Con_Printf("CoreAudio: AudioDeviceStart() returned %d\n", status);
- pthread_mutex_destroy(&coreaudio_mutex);
- AudioDeviceRemoveIOProc(outputDeviceID, audioDeviceIOProc);
- return false;
+ // Add the callback function
+ status = AudioDeviceAddIOProc(outputDeviceID, audioDeviceIOProc, NULL);
+ if (!status)
+ {
+ // We haven't sent any sample frames yet
+ coreaudiotime = 0;
+ if (pthread_mutex_init(&coreaudio_mutex, NULL) == 0)
+ {
+ if ((snd_renderbuffer = Snd_CreateRingBuffer(requested, 0, NULL)))
+ {
+ if ((mixbuffer = Mem_Alloc(snd_mempool, CHUNK_SIZE * sizeof(*mixbuffer) * requested->channels)))
+ {
+ // Start sound running
+ status = AudioDeviceStart(outputDeviceID, audioDeviceIOProc);
+ if (!status)
+ {
+ s_isRunning = true;
+ snd_threaded = true;
+ Con_Print(" Initialization successful\n");
+ return true;
+ }
+ else
+ Con_Printf("CoreAudio: AudioDeviceStart() returned %d\n", (int)status);
+ Mem_Free(mixbuffer);
+ mixbuffer = NULL;
+ }
+ else
+ Con_Print("CoreAudio: can't allocate memory for mixbuffer\n");
+ Mem_Free(snd_renderbuffer->ring);
+ Mem_Free(snd_renderbuffer);
+ snd_renderbuffer = NULL;
+ }
+ else
+ Con_Print("CoreAudio: can't allocate memory for ringbuffer\n");
+ pthread_mutex_destroy(&coreaudio_mutex);
+ }
+ else
+ Con_Print("CoreAudio: can't create pthread mutex\n");
+ AudioDeviceRemoveIOProc(outputDeviceID, audioDeviceIOProc);
+ }
+ else
+ Con_Printf("CoreAudio: AudioDeviceAddIOProc() returned %d\n", (int)status);
}
- s_isRunning = true;
-
- Con_Print(" Initialization successful\n");
- return true;
+ else
+ Con_Print("CoreAudio: Default audio device doesn't support linear PCM!\n");
+ return false;
}
status = AudioDeviceStop(outputDeviceID, audioDeviceIOProc);
if (status)
{
- Con_Printf("AudioDeviceStop: returned %d\n", status);
+ Con_Printf("AudioDeviceStop: returned %d\n", (int)status);
return;
}
s_isRunning = false;
status = AudioDeviceRemoveIOProc(outputDeviceID, audioDeviceIOProc);
if (status)
{
- Con_Printf("AudioDeviceRemoveIOProc: returned %d\n", status);
+ Con_Printf("AudioDeviceRemoveIOProc: returned %d\n", (int)status);
return;
}
Mem_Free(snd_renderbuffer);
snd_renderbuffer = NULL;
}
+
+ if (mixbuffer != NULL)
+ Mem_Free(mixbuffer);
+ mixbuffer = NULL;
}
*/
void SndSys_UnlockRenderBuffer (void)
{
- pthread_mutex_unlock(&coreaudio_mutex);
+ pthread_mutex_unlock(&coreaudio_mutex);
+}
+
+/*
+====================
+SndSys_SendKeyEvents
+
+Send keyboard events originating from the sound system (e.g. MIDI)
+====================
+*/
+void SndSys_SendKeyEvents(void)
+{
+ // not supported
}