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-rw-r--r--code/macosx/macosx_sndcore.m325
1 files changed, 0 insertions, 325 deletions
diff --git a/code/macosx/macosx_sndcore.m b/code/macosx/macosx_sndcore.m
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index 669af1d..0000000
--- a/code/macosx/macosx_sndcore.m
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@@ -1,325 +0,0 @@
-/*
-===========================================================================
-Copyright (C) 1999-2005 Id Software, Inc.
-
-This file is part of Quake III Arena source code.
-
-Quake III Arena source code is free software; you can redistribute it
-and/or modify it under the terms of the GNU General Public License as
-published by the Free Software Foundation; either version 2 of the License,
-or (at your option) any later version.
-
-Quake III Arena source code is distributed in the hope that it will be
-useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with Quake III Arena source code; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-===========================================================================
-*/
-
-// mac_snddma.c
-// all other sound mixing is portable
-
-#include "../client/snd_local.h"
-
-#include <CoreServices/CoreServices.h>
-#include <CoreAudio/AudioHardware.h>
-#include <QuickTime/QuickTime.h>
-
-// For 'ri'
-#include "../renderer/tr_local.h"
-
-#import <Foundation/NSData.h>
-#import <Foundation/NSString.h>
-
-static unsigned int submissionChunk;
-static unsigned int maxMixedSamples;
-static short *s_mixedSamples;
-static int s_chunkCount; // number of chunks submitted
-static qboolean s_isRunning;
-
-static AudioDeviceID outputDeviceID;
-static AudioStreamBasicDescription outputStreamBasicDescription;
-
-/*
-===============
-audioDeviceIOProc
-===============
-*/
-
-OSStatus audioDeviceIOProc(AudioDeviceID inDevice,
- const AudioTimeStamp *inNow,
- const AudioBufferList *inInputData,
- const AudioTimeStamp *inInputTime,
- AudioBufferList *outOutputData,
- const AudioTimeStamp *inOutputTime,
- void *inClientData)
-{
- int offset;
- short *samples;
- unsigned int sampleIndex;
- float *outBuffer;
- float scale, temp;
-
- offset = ( s_chunkCount * submissionChunk ) % maxMixedSamples;
- samples = s_mixedSamples + offset;
-
- assert(outOutputData->mNumberBuffers == 1);
- assert(outOutputData->mBuffers[0].mNumberChannels == 2);
- //assert(outOutputData->mBuffers[0].mDataByteSize == (dma.submission_chunk * sizeof(float)));
-
- outBuffer = (float *)outOutputData->mBuffers[0].mData;
-
- // If we have run out of samples, return silence
- if (s_chunkCount * submissionChunk > dma.channels * s_paintedtime) {
- memset(outBuffer, 0, sizeof(*outBuffer) * dma.submission_chunk);
- } else {
- scale = (1.0f / SHRT_MAX);
- if (outputStreamBasicDescription.mSampleRate == 44100 && dma.speed == 22050) {
- for (sampleIndex = 0; sampleIndex < dma.submission_chunk; sampleIndex+=2) {
- // Convert the samples from shorts to floats. Scale the floats to be [-1..1].
- temp = samples[sampleIndex + 0] * scale;
- outBuffer[(sampleIndex<<1)+0] = temp;
- outBuffer[(sampleIndex<<1)+2] = temp;
-
- temp = samples[sampleIndex + 1] * scale;
- outBuffer[(sampleIndex<<1)+1] = temp;
- outBuffer[(sampleIndex<<1)+3] = temp;
- }
- } else if (outputStreamBasicDescription.mSampleRate == 44100 && dma.speed == 11025) {
- for (sampleIndex = 0; sampleIndex < dma.submission_chunk; sampleIndex+=4) {
- // Convert the samples from shorts to floats. Scale the floats to be [-1..1].
- temp = samples[sampleIndex + 0] * scale;
- outBuffer[(sampleIndex<<1)+0] = temp;
- outBuffer[(sampleIndex<<1)+2] = temp;
- outBuffer[(sampleIndex<<1)+4] = temp;
- outBuffer[(sampleIndex<<1)+6] = temp;
-
- temp = samples[sampleIndex + 1] * scale;
- outBuffer[(sampleIndex<<1)+1] = temp;
- outBuffer[(sampleIndex<<1)+3] = temp;
- outBuffer[(sampleIndex<<1)+5] = temp;
- outBuffer[(sampleIndex<<1)+7] = temp;
- }
- } else {
- for (sampleIndex = 0; sampleIndex < dma.submission_chunk; sampleIndex++) {
- // Convert the samples from shorts to floats. Scale the floats to be [-1..1].
- outBuffer[sampleIndex] = samples[sampleIndex] * scale;
- }
- }
- }
-
- s_chunkCount++; // this is the next buffer we will submit
- return 0;
-}
-
-
-/*
-===============
-S_MakeTestPattern
-===============
-*/
-void S_MakeTestPattern( void ) {
- int i;
- float v;
- int sample;
-
- for ( i = 0 ; i < dma.samples / 2 ; i ++ ) {
- v = sin( M_PI * 2 * i / 64 );
- sample = v * 0x4000;
- ((short *)dma.buffer)[i*2] = sample;
- ((short *)dma.buffer)[i*2+1] = sample;
- }
-}
-
-/*
-===============
-SNDDMA_Init
-===============
-*/
-qboolean SNDDMA_Init(void)
-{
- cvar_t *bufferSize;
- cvar_t *chunkSize;
- OSStatus status;
- UInt32 propertySize, bufferByteCount;
-
- if (s_isRunning)
- return qtrue;
-
- chunkSize = ri.Cvar_Get( "s_chunksize", "2048", CVAR_ARCHIVE );
- bufferSize = ri.Cvar_Get( "s_buffersize", "16384", CVAR_ARCHIVE );
- Com_Printf(" Chunk size = %d\n", chunkSize->integer);
- Com_Printf("Buffer size = %d\n", bufferSize->integer);
-
- if (!chunkSize->integer)
- ri.Error(ERR_FATAL, "s_chunksize must be non-zero\n");
- if (!bufferSize->integer)
- ri.Error(ERR_FATAL, "s_buffersize must be non-zero\n");
- if (chunkSize->integer >= bufferSize->integer)
- ri.Error(ERR_FATAL, "s_chunksize must be less than s_buffersize\n");
- if (bufferSize->integer % chunkSize->integer)
- ri.Error(ERR_FATAL, "s_buffersize must be an even multiple of s_chunksize\n");
-
- // Get the output device
- propertySize = sizeof(outputDeviceID);
- status = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &propertySize, &outputDeviceID);
- if (status) {
- Com_Printf("AudioHardwareGetProperty returned %d\n", status);
- return qfalse;
- }
-
- if (outputDeviceID == kAudioDeviceUnknown) {
- Com_Printf("AudioHardwareGetProperty: outputDeviceID is kAudioDeviceUnknown\n");
- return qfalse;
- }
-
- // Configure the output device
- propertySize = sizeof(bufferByteCount);
- bufferByteCount = chunkSize->integer * sizeof(float);
- status = AudioDeviceSetProperty(outputDeviceID, NULL, 0, NO, kAudioDevicePropertyBufferSize, propertySize, &bufferByteCount);
- if (status) {
- Com_Printf("AudioDeviceSetProperty: returned %d when setting kAudioDevicePropertyBufferSize to %d\n", status, chunkSize->integer);
- return qfalse;
- }
-
- propertySize = sizeof(bufferByteCount);
- status = AudioDeviceGetProperty(outputDeviceID, 0, NO, kAudioDevicePropertyBufferSize, &propertySize, &bufferByteCount);
- if (status) {
- Com_Printf("AudioDeviceGetProperty: returned %d when setting kAudioDevicePropertyBufferSize\n", status);
- return qfalse;
- }
-
- // Print out the device status
- propertySize = sizeof(outputStreamBasicDescription);
- status = AudioDeviceGetProperty(outputDeviceID, 0, NO, kAudioDevicePropertyStreamFormat, &propertySize, &outputStreamBasicDescription);
- if (status) {
- Com_Printf("AudioDeviceGetProperty: returned %d when getting kAudioDevicePropertyStreamFormat\n", status);
- return qfalse;
- }
-
- Com_Printf("Hardware format:\n");
- Com_Printf(" %f mSampleRate\n", outputStreamBasicDescription.mSampleRate);
- Com_Printf(" %c%c%c%c mFormatID\n",
- (outputStreamBasicDescription.mFormatID & 0xff000000) >> 24,
- (outputStreamBasicDescription.mFormatID & 0x00ff0000) >> 16,
- (outputStreamBasicDescription.mFormatID & 0x0000ff00) >> 8,
- (outputStreamBasicDescription.mFormatID & 0x000000ff) >> 0);
- Com_Printf(" %5d mBytesPerPacket\n", outputStreamBasicDescription.mBytesPerPacket);
- Com_Printf(" %5d mFramesPerPacket\n", outputStreamBasicDescription.mFramesPerPacket);
- Com_Printf(" %5d mBytesPerFrame\n", outputStreamBasicDescription.mBytesPerFrame);
- Com_Printf(" %5d mChannelsPerFrame\n", outputStreamBasicDescription.mChannelsPerFrame);
- Com_Printf(" %5d mBitsPerChannel\n", outputStreamBasicDescription.mBitsPerChannel);
-
- if(outputStreamBasicDescription.mFormatID != kAudioFormatLinearPCM) {
- Com_Printf("Default Audio Device doesn't support Linear PCM!");
- return qfalse;
- }
-
- // Start sound running
- status = AudioDeviceAddIOProc(outputDeviceID, audioDeviceIOProc, NULL);
- if (status) {
- Com_Printf("AudioDeviceAddIOProc: returned %d\n", status);
- return qfalse;
- }
-
- submissionChunk = chunkSize->integer;
- if (outputStreamBasicDescription.mSampleRate == 44100) {
- submissionChunk = chunkSize->integer/2;
- }
- maxMixedSamples = bufferSize->integer;
- s_mixedSamples = calloc(1, sizeof(*s_mixedSamples) * maxMixedSamples);
- Com_Printf("Chunk Count = %d\n", (maxMixedSamples / submissionChunk));
-
- // Tell the main app what we expect from it
- dma.samples = maxMixedSamples;
- dma.submission_chunk = submissionChunk;
- dma.samplebits = 16;
- dma.buffer = (byte *)s_mixedSamples;
- dma.channels = outputStreamBasicDescription.mChannelsPerFrame;
- dma.speed = 22050; //(unsigned long)outputStreamBasicDescription.mSampleRate;
-
- // We haven't enqueued anything yet
- s_chunkCount = 0;
-
- status = AudioDeviceStart(outputDeviceID, audioDeviceIOProc);
- if (status) {
- Com_Printf("AudioDeviceStart: returned %d\n", status);
- return qfalse;
- }
-
- s_isRunning = qtrue;
-
- return qtrue;
-}
-
-/*
-===============
-SNDDMA_GetBufferDuration
-===============
-*/
-float SNDDMA_GetBufferDuration(void)
-{
- return (float)dma.samples / (float)(dma.channels * dma.speed);
-}
-
-/*
-===============
-SNDDMA_GetDMAPos
-===============
-*/
-int SNDDMA_GetDMAPos(void)
-{
- return s_chunkCount * dma.submission_chunk;
-}
-
-/*
-===============
-SNDDMA_Shutdown
-===============
-*/
-void SNDDMA_Shutdown(void)
-{
- OSStatus status;
-
- if (!s_isRunning)
- return;
-
- status = AudioDeviceStop(outputDeviceID, audioDeviceIOProc);
- if (status) {
- Com_Printf("AudioDeviceStop: returned %d\n", status);
- return;
- }
-
- s_isRunning = qfalse;
-
- status = AudioDeviceRemoveIOProc(outputDeviceID, audioDeviceIOProc);
- if (status) {
- Com_Printf("AudioDeviceRemoveIOProc: returned %d\n", status);
- return;
- }
-
- free(s_mixedSamples);
- s_mixedSamples = NULL;
- dma.samples = NULL;
-}
-
-/*
-===============
-SNDDMA_BeginPainting
-===============
-*/
-void SNDDMA_BeginPainting(void) {
-}
-
-/*
-===============
-SNDDMA_Submit
-===============
-*/
-void SNDDMA_Submit(void) {
-}
-
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