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author | marha <marha@users.sourceforge.net> | 2010-09-30 15:43:57 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2010-09-30 15:43:57 +0000 |
commit | 54fffe7283b49dcaae81e826eb0dff213552c4ec (patch) | |
tree | c3a8c65ebffb5841251bd16edec93f0576f77418 /xorg-server/hw/xquartz/quartzAudio.c | |
parent | d718b0dd8ed27c6f8497077b8d4b088d9b7f7bd3 (diff) | |
parent | f952d0d771de6d9b8ecc3cbbe3624203723bbb25 (diff) | |
download | vcxsrv-54fffe7283b49dcaae81e826eb0dff213552c4ec.tar.gz vcxsrv-54fffe7283b49dcaae81e826eb0dff213552c4ec.tar.bz2 vcxsrv-54fffe7283b49dcaae81e826eb0dff213552c4ec.zip |
svn merge ^/branches/released .
Diffstat (limited to 'xorg-server/hw/xquartz/quartzAudio.c')
-rw-r--r-- | xorg-server/hw/xquartz/quartzAudio.c | 658 |
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;
+}
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