X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-osx%2Ftrunk%2Flauncher%2Fquartz-audio.c;fp=synfig-osx%2Ftrunk%2Flauncher%2Fquartz-audio.c;h=0000000000000000000000000000000000000000;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=4ea7746bb1c6228035bcfc3cca8c32209e917f73;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git diff --git a/synfig-osx/trunk/launcher/quartz-audio.c b/synfig-osx/trunk/launcher/quartz-audio.c deleted file mode 100644 index 4ea7746..0000000 --- a/synfig-osx/trunk/launcher/quartz-audio.c +++ /dev/null @@ -1,342 +0,0 @@ -// -// 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. - */ -/* $XFree86: xc/programs/Xserver/hw/darwin/quartz/quartzAudio.c,v 1.1 2002/03/28 02:21:18 torrey Exp $ */ - -#include "quartz.h" -#include "quartz-audio.h" - -#include -#include - -#include "inputstr.h" -#include "extensions/XI.h" - -void NSBeep(); - -typedef struct QuartzAudioRec { - double frequency; - double amplitude; - - UInt32 curFrame; - UInt32 remainingFrames; - UInt32 totalFrames; - UInt32 bytesPerFrame; - 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 / data->bytesPerFrame; - - 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 - buffer += 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); - } - pthread_mutex_unlock(&data->lock); - return 0; -} - - -/* - * QuartzCoreAudioBell - * Play a tone using the CoreAudio API - */ -static void QuartzCoreAudioBell( - int volume, // volume is % of max - int pitch, // pitch is Hz - int duration ) // duration is milliseconds -{ - 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("QuartzAudioBell: AudioDeviceStart returned %d\n", status); - } else { - data.playing = TRUE; - } - } - pthread_mutex_unlock(&data.lock); -} - - -/* - * QuartzBell - * Ring the bell - */ -void QuartzBell( - int volume, // volume in percent of max - DeviceIntPtr pDevice, - pointer ctrl, - int class ) -{ - int pitch; // pitch in Hz - int duration; // duration in milliseconds - - if (class == BellFeedbackClass) { - pitch = ((BellCtrl*)ctrl)->pitch; - duration = ((BellCtrl*)ctrl)->duration; - } else if (class == KbdFeedbackClass) { - pitch = ((KeybdCtrl*)ctrl)->bell_pitch; - duration = ((KeybdCtrl*)ctrl)->bell_duration; - } else { - ErrorF("QuartzBell: bad bell class %d\n", class); - return; - } - - if (quartzUseSysBeep) { - if (volume) - NSBeep(); - } else { - QuartzCoreAudioBell(volume, pitch, duration); - } -} - - -/* - * QuartzAudioInit - * Prepare to play the bell with the CoreAudio API - */ -void QuartzAudioInit(void) -{ - UInt32 propertySize; - OSStatus status; - AudioDeviceID outputDevice; - AudioStreamBasicDescription outputStreamDescription; - double sampleRate; - - // Get the default output device - propertySize = sizeof(outputDevice); - status = AudioHardwareGetProperty( - kAudioHardwarePropertyDefaultOutputDevice, - &propertySize, &outputDevice); - if (status) { - ErrorF("QuartzAudioInit: AudioHardwareGetProperty returned %d\n", - status); - return; - } - if (outputDevice == kAudioDeviceUnknown) { - ErrorF("QuartzAudioInit: No audio output devices available.\n"); - return; - } - - // Get the basic device description - propertySize = sizeof(outputStreamDescription); - status = AudioDeviceGetProperty(outputDevice, 0, FALSE, - kAudioDevicePropertyStreamFormat, - &propertySize, &outputStreamDescription); - if (status) { - ErrorF("QuartzAudioInit: GetProperty(stream format) returned %d\n", - status); - return; - } - sampleRate = outputStreamDescription.mSampleRate; - - // Fill in the playback data - data.frequency = 0; - data.amplitude = 0; - data.curFrame = 0; - data.remainingFrames = 0; - data.bytesPerFrame = outputStreamDescription.mBytesPerFrame; - 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