Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
SoundConverter.h
////////// |
// |
// File: SoundConverter.h |
// |
// Contains: Sound format conversion sample code. |
// |
// Written by: Bob Aron |
// Revised by: Tim Monroe |
// |
// Copyright: © 1999 by Apple Computer, Inc., all rights reserved. |
// |
// Change History (most recent first): |
// |
// <1> 07/01/99 rtm first file from Bob Aron; conversion to personal coding style; updated to latest headers |
// |
////////// |
////////// |
// |
// header files |
// |
////////// |
#ifndef __MACERRORS__ |
#include <MacErrors.h> |
#endif |
#ifndef __COMPONENTS__ |
#include <Components.h> |
#endif |
#ifndef __FIXMATH__ |
#include <FixMath.h> |
#endif |
#ifndef __MOVIES__ |
#include <Movies.h> |
#endif |
#ifndef __MOVIESFORMAT__ |
#include <MoviesFormat.h> |
#endif |
#ifndef __QUICKTIMECOMPONENTS__ |
#include <QuickTimeComponents.h> |
#endif |
#ifndef __SOUND__ |
#include <Sound.h> |
#endif |
#ifndef __STRINGS__ |
#include <Strings.h> |
#endif |
#ifndef _STRING_H |
#include <string.h> |
#endif |
#ifndef __QTUtilities__ |
#include "QTUtilities.h" |
#endif |
#if TARGET_OS_MAC |
#include "MacFramework.h" |
#endif |
#if TARGET_OS_WIN32 |
#include "WinFramework.h" |
#endif |
#if TARGET_OS_WIN32 |
#include <math.h> |
#define double_t double |
#endif |
#if TARGET_OS_MAC |
#ifndef __FP__ |
#include <fp.h> |
#endif |
#endif |
////////// |
// |
// compiler macros |
// |
////////// |
#define FailIf(cond, handler) \ |
if (cond) { \ |
goto handler; \ |
} |
#define FailWithAction(cond, action, handler) \ |
if (cond) { \ |
{ action; } \ |
goto handler; \ |
} |
////////// |
// |
// constants |
// |
////////// |
#define kMaxBufferSize (20*1024) // the upper limit for the in and out conversion buffers |
#define kSaveSoundPrompt "Save sound movie file as:" |
#define kSaveSoundFileName "Sound.mov" |
#define kConcertA 440 |
////////// |
// |
// function prototypes |
// |
////////// |
void SndConv_DriveAudioConversion (void); |
OSErr SndConv_ConvertSomeUncompressedAudio ( |
Handle theSourceHandle, |
SoundComponentData theSourceInfo, |
unsigned long theSourceTotalFrames, |
Handle theDestHandle, |
SoundComponentData theDestInfo, |
unsigned long *theDestFramesMoved, |
CompressionInfo *theDestCompInfo, |
Handle *theDestCompParams); |
OSErr SndConv_CreateSoundMovie ( |
Handle theDestAudioData, |
short theMovieRefNum, |
Movie theMovie, |
SoundComponentData theDestInfo, |
Handle *theDestCompParams, |
CompressionInfo theDestCompInfo, |
unsigned long theDestFrameCount); |
OSErr SndConv_UncompressedSineWaveToHandle ( |
Handle theData, |
SoundComponentData *theCompInfo, |
unsigned long *theTotalFrames); |
Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-01-14