1 files changed, 329 insertions, 329 deletions
diff --git a/xorg-server/hw/xquartz/quartzAudio.c b/xorg-server/hw/xquartz/quartzAudio.c
index 708202b5b..d17d65808 100644
--- a/xorg-server/hw/xquartz/quartzAudio.c
+++ b/xorg-server/hw/xquartz/quartzAudio.c
@@ -1,329 +1,329 @@
-//
-// QuartzAudio.m
-//
-// X Window bell support using CoreAudio or AppKit.
-// Greg Parker  gparker@cs.stanford.edu  19 Feb 2001
-//
-// Info about sine wave sound playback:
-// CoreAudio code derived from macosx-dev posting by Tim Wood
-//  http://www.omnigroup.com/mailman/archive/macosx-dev/2000-May/002004.html
-// Smoothing transitions between sounds
-//  http://www.wam.umd.edu/~mphoenix/dss/dss.html
-//
-/*
- * Copyright (c) 2001 Greg Parker. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name(s) of the above copyright
- * holders shall not be used in advertising or otherwise to promote the sale,
- * use or other dealings in this Software without prior written authorization.
- */
-
-#include "sanitizedCarbon.h"
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "quartzCommon.h"
-#include "quartzAudio.h"
-
-#include <CoreAudio/CoreAudio.h>
-#include <pthread.h>
-#include <AvailabilityMacros.h>
-
-#include "inputstr.h"
-#include <X11/extensions/XI.h>
-#include <assert.h>
-
-void NSBeep(void);
-
-typedef struct QuartzAudioRec {
-    double frequency;
-    double amplitude;
-
-    UInt32 curFrame;
-    UInt32 remainingFrames;
-    UInt32 totalFrames;
-    double sampleRate;
-    UInt32 fadeLength;
-
-    UInt32 bufferByteCount;
-    Boolean playing;
-    pthread_mutex_t lock;
-
-    // used to fade out interrupted sound and avoid 'pop'
-    double prevFrequency;
-    double prevAmplitude;
-    UInt32 prevFrame; 
-} QuartzAudioRec;
-
-static AudioDeviceID quartzAudioDevice = kAudioDeviceUnknown;
-static QuartzAudioRec data;
-
-
-/*
- * QuartzAudioEnvelope
- *  Fade sound in and out to avoid pop.
- *  Sounds with shorter duration will never reach full amplitude. Deal.
- */
-static double QuartzAudioEnvelope(
-    UInt32 curFrame,
-    UInt32 totalFrames,
-    UInt32 fadeLength )
-{
-    double fadeFrames = min(fadeLength, totalFrames / 2);
-    if (fadeFrames < 1) return 0;
-
-    if (curFrame < fadeFrames) {
-        return curFrame / fadeFrames;
-    } else if (curFrame > totalFrames - fadeFrames) {
-        return (totalFrames-curFrame) / fadeFrames;
-    } else {
-        return 1.0;
-    }
-}
-
-
-/*
- * QuartzFillBuffer
- *  Fill this buffer with data and update the data position.
- *  FIXME: this is ugly
- */
-static void QuartzFillBuffer(
-    AudioBuffer *audiobuffer,
-    QuartzAudioRec *data )
-{
-    float *buffer, *b;
-    unsigned int frame, frameCount;
-    unsigned int bufferFrameCount;
-    float multiplier, v;
-    int i;
-    
-    buffer = (float *)audiobuffer->mData;
-    bufferFrameCount = audiobuffer->mDataByteSize / (sizeof(float) * audiobuffer->mNumberChannels);
-
-    frameCount = min(bufferFrameCount, data->remainingFrames);
-
-    // Fade out previous sine wave, if any.
-    b = buffer;
-    if (data->prevFrame) {
-        multiplier = 2*M_PI*(data->prevFrequency/data->sampleRate);
-        for (frame = 0; frame < data->fadeLength; frame++) {
-            v = data->prevAmplitude *
-                QuartzAudioEnvelope(frame+data->fadeLength,
-                                    2*data->fadeLength,
-                                    data->fadeLength) *
-                sin(multiplier * (data->prevFrame+frame));
-            for (i = 0; i < audiobuffer->mNumberChannels; i++) {
-                *b++ = v;
-            }
-        }
-        // no more prev fade
-        data->prevFrame = 0;
-
-        // adjust for space eaten by prev fade
-        b += audiobuffer->mNumberChannels*frame;
-        bufferFrameCount -= frame;
-        frameCount = min(bufferFrameCount, data->remainingFrames);
-    }
-
-    // Write a sine wave with the specified frequency and amplitude
-    multiplier = 2*M_PI*(data->frequency/data->sampleRate);
-    for (frame = 0; frame < frameCount; frame++) {
-        v = data->amplitude * 
-            QuartzAudioEnvelope(data->curFrame+frame, data->totalFrames,
-                                data->fadeLength) *
-            sin(multiplier * (data->curFrame+frame));
-        for (i = 0; i < audiobuffer->mNumberChannels; i++) {
-            *b++ = v;
-        }
-    }
-
-    // Zero out the rest of the buffer, if any
-    memset(b, 0, sizeof(float) * audiobuffer->mNumberChannels *
-           (bufferFrameCount-frame));
-
-    data->curFrame += frameCount;
-    data->remainingFrames -= frameCount;
-    if (data->remainingFrames == 0) {
-        data->playing = FALSE;
-        data->curFrame = 0;
-    }
-}
-
-
-/*
- * QuartzAudioIOProc
- *  Callback function for audio playback.
- *  FIXME: use inOutputTime to correct for skipping
- */
-static OSStatus 
-QuartzAudioIOProc(
-    AudioDeviceID inDevice, 
-    const AudioTimeStamp *inNow, 
-    const AudioBufferList *inInputData, 
-    const AudioTimeStamp *inInputTime, 
-    AudioBufferList *outOutputData, 
-    const AudioTimeStamp *inOutputTime, 
-    void *inClientData )
-{
-    QuartzAudioRec *data = (QuartzAudioRec *)inClientData;
-    int i;
-    Boolean wasPlaying;
-
-    pthread_mutex_lock(&data->lock);
-    wasPlaying = data->playing;
-    for (i = 0; i < outOutputData->mNumberBuffers; i++) {
-        if (data->playing) {
-            QuartzFillBuffer(outOutputData->mBuffers+i, data); 
-        }
-        else {
-            memset(outOutputData->mBuffers[i].mData, 0, 
-                   outOutputData->mBuffers[i].mDataByteSize);
-        }
-    }
-    if (wasPlaying  &&  !data->playing) {
-        OSStatus err;
-        err = AudioDeviceStop(inDevice, QuartzAudioIOProc);
-        if(err != noErr)
-            fprintf(stderr, "Error stopping audio device: %ld\n", (long int)err);
-    }
-    pthread_mutex_unlock(&data->lock);
-    return 0;
-}
-
-
-/*
- * DDXRingBell
- * Play a tone using the CoreAudio API
- */
-void DDXRingBell(
-    int volume,         // volume is % of max
-    int pitch,          // pitch is Hz
-    int duration )      // duration is milliseconds
-{
-    if (quartzUseSysBeep) {
-        if (volume)
-            NSBeep();
-        return;
-    }
-        
-    if (quartzAudioDevice == kAudioDeviceUnknown) return;
-
-    pthread_mutex_lock(&data.lock);
-
-    // fade previous sound, if any
-    data.prevFrequency = data.frequency;
-    data.prevAmplitude = data.amplitude;
-    data.prevFrame = data.curFrame;
-
-    // set new sound
-    data.frequency = pitch;
-    data.amplitude = volume / 100.0;
-    data.curFrame = 0;
-    data.totalFrames = (int)(data.sampleRate * duration / 1000.0);
-    data.remainingFrames = data.totalFrames;
-
-    if (! data.playing) {
-        OSStatus status;
-        status = AudioDeviceStart(quartzAudioDevice, QuartzAudioIOProc);
-        if (status) {
-            ErrorF("DDXRingBell: AudioDeviceStart returned %ld\n", (long)status);
-        } else {
-            data.playing = TRUE;
-        }
-    }
-    pthread_mutex_unlock(&data.lock);
-}
-
-/*
- * QuartzAudioInit
- *  Prepare to play the bell with the CoreAudio API
- */
-void QuartzAudioInit(void) 
-{
-    UInt32 propertySize;
-    OSStatus status;
-    AudioDeviceID outputDevice;
-    double sampleRate;
-    AudioObjectPropertyAddress devicePropertyAddress = { kAudioHardwarePropertyDefaultOutputDevice, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
-    AudioObjectPropertyAddress sampleRatePropertyAddress = { kAudioDevicePropertyNominalSampleRate, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
-    
-    // Get the default output device
-    propertySize = sizeof(outputDevice);
-    status = AudioObjectGetPropertyData(kAudioObjectSystemObject, &devicePropertyAddress,
-                                        0, NULL,
-                                        &propertySize, &outputDevice);
-    if (status) {
-        ErrorF("QuartzAudioInit: AudioObjectGetPropertyData(output device) returned %ld\n",
-               (long)status);
-        return;
-    }
-    if (outputDevice == kAudioDeviceUnknown) {
-        ErrorF("QuartzAudioInit: No audio output devices available.\n");
-        return;
-    }
-
-    // Get the basic device description
-    sampleRate = 0.;
-    propertySize = sizeof(sampleRate);
-    status = AudioObjectGetPropertyData(outputDevice, &sampleRatePropertyAddress,
-                                        0, NULL,
-                                        &propertySize, &sampleRate);
-    if (status) {
-        ErrorF("QuartzAudioInit: AudioObjectGetPropertyData(sample rate) returned %ld\n",
-               (long)status);
-        return;
-    }
-
-    // Fill in the playback data
-    data.frequency = 0;
-    data.amplitude = 0;
-    data.curFrame = 0;
-    data.remainingFrames = 0; 
-    data.sampleRate = sampleRate;
-    // data.bufferByteCount = bufferByteCount;
-    data.playing = FALSE;
-    data.prevAmplitude = 0;
-    data.prevFrame = 0;
-    data.prevFrequency = 0;
-    data.fadeLength = data.sampleRate / 200;
-    pthread_mutex_init(&data.lock, NULL); // fixme error check
-
-    // fixme assert fadeLength<framesPerBuffer
-
-    // Prepare for playback
-#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
-    {
-    AudioDeviceIOProcID sInputIOProcID = NULL;
-    status = AudioDeviceCreateIOProcID( outputDevice, QuartzAudioIOProc, &data, &sInputIOProcID );
-    }
-#else
-    status = AudioDeviceAddIOProc(outputDevice, QuartzAudioIOProc, &data);
-#endif
-    if (status) {
-        ErrorF("QuartzAudioInit: AddIOProc returned %ld\n", (long)status);
-        return;
-    }
-
-    // success!
-    quartzAudioDevice = outputDevice;
-}
+//
+// QuartzAudio.m
+//
+// X Window bell support using CoreAudio or AppKit.
+// Greg Parker  gparker@cs.stanford.edu  19 Feb 2001
+//
+// Info about sine wave sound playback:
+// CoreAudio code derived from macosx-dev posting by Tim Wood
+//  http://www.omnigroup.com/mailman/archive/macosx-dev/2000-May/002004.html
+// Smoothing transitions between sounds
+//  http://www.wam.umd.edu/~mphoenix/dss/dss.html
+//
+/*
+ * Copyright (c) 2001 Greg Parker. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name(s) of the above copyright
+ * holders shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written authorization.
+ */
+
+#include "sanitizedCarbon.h"
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "quartz.h"
+#include "quartzAudio.h"
+
+#include <CoreAudio/CoreAudio.h>
+#include <pthread.h>
+#include <AvailabilityMacros.h>
+
+#include "inputstr.h"
+#include <X11/extensions/XI.h>
+#include <assert.h>
+
+void NSBeep(void);
+
+typedef struct QuartzAudioRec {
+    double frequency;
+    double amplitude;
+
+    UInt32 curFrame;
+    UInt32 remainingFrames;
+    UInt32 totalFrames;
+    double sampleRate;
+    UInt32 fadeLength;
+
+    UInt32 bufferByteCount;
+    Boolean playing;
+    pthread_mutex_t lock;
+
+    // used to fade out interrupted sound and avoid 'pop'
+    double prevFrequency;
+    double prevAmplitude;
+    UInt32 prevFrame; 
+} QuartzAudioRec;
+
+static AudioDeviceID quartzAudioDevice = kAudioDeviceUnknown;
+static QuartzAudioRec data;
+
+
+/*
+ * QuartzAudioEnvelope
+ *  Fade sound in and out to avoid pop.
+ *  Sounds with shorter duration will never reach full amplitude. Deal.
+ */
+static double QuartzAudioEnvelope(
+    UInt32 curFrame,
+    UInt32 totalFrames,
+    UInt32 fadeLength )
+{
+    double fadeFrames = min(fadeLength, totalFrames / 2);
+    if (fadeFrames < 1) return 0;
+
+    if (curFrame < fadeFrames) {
+        return curFrame / fadeFrames;
+    } else if (curFrame > totalFrames - fadeFrames) {
+        return (totalFrames-curFrame) / fadeFrames;
+    } else {
+        return 1.0;
+    }
+}
+
+
+/*
+ * QuartzFillBuffer
+ *  Fill this buffer with data and update the data position.
+ *  FIXME: this is ugly
+ */
+static void QuartzFillBuffer(
+    AudioBuffer *audiobuffer,
+    QuartzAudioRec *data )
+{
+    float *buffer, *b;
+    unsigned int frame, frameCount;
+    unsigned int bufferFrameCount;
+    float multiplier, v;
+    int i;
+    
+    buffer = (float *)audiobuffer->mData;
+    bufferFrameCount = audiobuffer->mDataByteSize / (sizeof(float) * audiobuffer->mNumberChannels);
+
+    frameCount = min(bufferFrameCount, data->remainingFrames);
+
+    // Fade out previous sine wave, if any.
+    b = buffer;
+    if (data->prevFrame) {
+        multiplier = 2*M_PI*(data->prevFrequency/data->sampleRate);
+        for (frame = 0; frame < data->fadeLength; frame++) {
+            v = data->prevAmplitude *
+                QuartzAudioEnvelope(frame+data->fadeLength,
+                                    2*data->fadeLength,
+                                    data->fadeLength) *
+                sin(multiplier * (data->prevFrame+frame));
+            for (i = 0; i < audiobuffer->mNumberChannels; i++) {
+                *b++ = v;
+            }
+        }
+        // no more prev fade
+        data->prevFrame = 0;
+
+        // adjust for space eaten by prev fade
+        b += audiobuffer->mNumberChannels*frame;
+        bufferFrameCount -= frame;
+        frameCount = min(bufferFrameCount, data->remainingFrames);
+    }
+
+    // Write a sine wave with the specified frequency and amplitude
+    multiplier = 2*M_PI*(data->frequency/data->sampleRate);
+    for (frame = 0; frame < frameCount; frame++) {
+        v = data->amplitude * 
+            QuartzAudioEnvelope(data->curFrame+frame, data->totalFrames,
+                                data->fadeLength) *
+            sin(multiplier * (data->curFrame+frame));
+        for (i = 0; i < audiobuffer->mNumberChannels; i++) {
+            *b++ = v;
+        }
+    }
+
+    // Zero out the rest of the buffer, if any
+    memset(b, 0, sizeof(float) * audiobuffer->mNumberChannels *
+           (bufferFrameCount-frame));
+
+    data->curFrame += frameCount;
+    data->remainingFrames -= frameCount;
+    if (data->remainingFrames == 0) {
+        data->playing = FALSE;
+        data->curFrame = 0;
+    }
+}
+
+
+/*
+ * QuartzAudioIOProc
+ *  Callback function for audio playback.
+ *  FIXME: use inOutputTime to correct for skipping
+ */
+static OSStatus 
+QuartzAudioIOProc(
+    AudioDeviceID inDevice, 
+    const AudioTimeStamp *inNow, 
+    const AudioBufferList *inInputData, 
+    const AudioTimeStamp *inInputTime, 
+    AudioBufferList *outOutputData, 
+    const AudioTimeStamp *inOutputTime, 
+    void *inClientData )
+{
+    QuartzAudioRec *data = (QuartzAudioRec *)inClientData;
+    int i;
+    Boolean wasPlaying;
+
+    pthread_mutex_lock(&data->lock);
+    wasPlaying = data->playing;
+    for (i = 0; i < outOutputData->mNumberBuffers; i++) {
+        if (data->playing) {
+            QuartzFillBuffer(outOutputData->mBuffers+i, data); 
+        }
+        else {
+            memset(outOutputData->mBuffers[i].mData, 0, 
+                   outOutputData->mBuffers[i].mDataByteSize);
+        }
+    }
+    if (wasPlaying  &&  !data->playing) {
+        OSStatus err;
+        err = AudioDeviceStop(inDevice, QuartzAudioIOProc);
+        if(err != noErr)
+            fprintf(stderr, "Error stopping audio device: %ld\n", (long int)err);
+    }
+    pthread_mutex_unlock(&data->lock);
+    return 0;
+}
+
+
+/*
+ * DDXRingBell
+ * Play a tone using the CoreAudio API
+ */
+void DDXRingBell(
+    int volume,         // volume is % of max
+    int pitch,          // pitch is Hz
+    int duration )      // duration is milliseconds
+{
+    if (XQuartzUseSysBeep) {
+        if (volume)
+            NSBeep();
+        return;
+    }
+        
+    if (quartzAudioDevice == kAudioDeviceUnknown) return;
+
+    pthread_mutex_lock(&data.lock);
+
+    // fade previous sound, if any
+    data.prevFrequency = data.frequency;
+    data.prevAmplitude = data.amplitude;
+    data.prevFrame = data.curFrame;
+
+    // set new sound
+    data.frequency = pitch;
+    data.amplitude = volume / 100.0;
+    data.curFrame = 0;
+    data.totalFrames = (int)(data.sampleRate * duration / 1000.0);
+    data.remainingFrames = data.totalFrames;
+
+    if (! data.playing) {
+        OSStatus status;
+        status = AudioDeviceStart(quartzAudioDevice, QuartzAudioIOProc);
+        if (status) {
+            ErrorF("DDXRingBell: AudioDeviceStart returned %ld\n", (long)status);
+        } else {
+            data.playing = TRUE;
+        }
+    }
+    pthread_mutex_unlock(&data.lock);
+}
+
+/*
+ * QuartzAudioInit
+ *  Prepare to play the bell with the CoreAudio API
+ */
+void QuartzAudioInit(void) 
+{
+    UInt32 propertySize;
+    OSStatus status;
+    AudioDeviceID outputDevice;
+    double sampleRate;
+    AudioObjectPropertyAddress devicePropertyAddress = { kAudioHardwarePropertyDefaultOutputDevice, kAudioObjectPropertyScopeGlobal, kAudioObjectPropertyElementMaster };
+    AudioObjectPropertyAddress sampleRatePropertyAddress = { kAudioDevicePropertyNominalSampleRate, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
+    
+    // Get the default output device
+    propertySize = sizeof(outputDevice);
+    status = AudioObjectGetPropertyData(kAudioObjectSystemObject, &devicePropertyAddress,
+                                        0, NULL,
+                                        &propertySize, &outputDevice);
+    if (status) {
+        ErrorF("QuartzAudioInit: AudioObjectGetPropertyData(output device) returned %ld\n",
+               (long)status);
+        return;
+    }
+    if (outputDevice == kAudioDeviceUnknown) {
+        ErrorF("QuartzAudioInit: No audio output devices available.\n");
+        return;
+    }
+
+    // Get the basic device description
+    sampleRate = 0.;
+    propertySize = sizeof(sampleRate);
+    status = AudioObjectGetPropertyData(outputDevice, &sampleRatePropertyAddress,
+                                        0, NULL,
+                                        &propertySize, &sampleRate);
+    if (status) {
+        ErrorF("QuartzAudioInit: AudioObjectGetPropertyData(sample rate) returned %ld\n",
+               (long)status);
+        return;
+    }
+
+    // Fill in the playback data
+    data.frequency = 0;
+    data.amplitude = 0;
+    data.curFrame = 0;
+    data.remainingFrames = 0; 
+    data.sampleRate = sampleRate;
+    // data.bufferByteCount = bufferByteCount;
+    data.playing = FALSE;
+    data.prevAmplitude = 0;
+    data.prevFrame = 0;
+    data.prevFrequency = 0;
+    data.fadeLength = data.sampleRate / 200;
+    pthread_mutex_init(&data.lock, NULL); // fixme error check
+
+    // fixme assert fadeLength<framesPerBuffer
+
+    // Prepare for playback
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1050
+    {
+    AudioDeviceIOProcID sInputIOProcID = NULL;
+    status = AudioDeviceCreateIOProcID( outputDevice, QuartzAudioIOProc, &data, &sInputIOProcID );
+    }
+#else
+    status = AudioDeviceAddIOProc(outputDevice, QuartzAudioIOProc, &data);
+#endif
+    if (status) {
+        ErrorF("QuartzAudioInit: AddIOProc returned %ld\n", (long)status);
+        return;
+    }
+
+    // success!
+    quartzAudioDevice = outputDevice;
+}