19682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 29682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL - Simple DirectMedia Layer 39682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Copyright (C) 1997-2012 Sam Lantinga 49682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 59682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is free software; you can redistribute it and/or 69682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall modify it under the terms of the GNU Library General Public 79682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License as published by the Free Software Foundation; either 89682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall version 2 of the License, or (at your option) any later version. 99682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is distributed in the hope that it will be useful, 119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall but WITHOUT ANY WARRANTY; without even the implied warranty of 129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Library General Public License for more details. 149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall You should have received a copy of the GNU Library General Public 169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License along with this library; if not, write to the Free 179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Sam Lantinga 209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall slouken@libsdl.org 219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This file based on Apple sample code. We haven't changed the file name, 239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall so if you want to see the original search for it on apple.com/developer 249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_config.h" 269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AudioFilePlayer.h 299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#ifndef __AudioFilePlayer_H__ 319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define __AudioFilePlayer_H__ 329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <CoreServices/CoreServices.h> 349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <AudioUnit/AudioUnit.h> 369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if MAC_OS_X_VERSION_MAX_ALLOWED <= 1050 379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <AudioUnit/AUNTComponent.h> 389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if (MAC_OS_X_VERSION_MAX_ALLOWED < 1050) 419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Halltypedef SInt16 FSIORefNum; 429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_error.h" 459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallconst char* AudioFilePlayerErrorStr (OSStatus error); 479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid ThrowResult (OSStatus result, const char *str); 509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define THROW_RESULT(str) \ 529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (result) { \ 539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ThrowResult (result, str); \ 549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Halltypedef void (*AudioFilePlayNotifier)(void *inRefCon, 589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall OSStatus inStatus); 599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallenum { 619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall kAudioFilePlayErr_FilePlayUnderrun = -10000, 629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall kAudioFilePlay_FileIsFinished = -10001, 639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall kAudioFilePlay_PlayerIsUninitialized = -10002 649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall}; 659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstruct S_AudioFileManager; 689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#pragma mark __________ AudioFilePlayer 709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Halltypedef struct S_AudioFilePlayer 719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/*public:*/ 739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int (*SetDestination)(struct S_AudioFilePlayer *afp, AudioUnit *inDestUnit); 749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void (*SetNotifier)(struct S_AudioFilePlayer *afp, AudioFilePlayNotifier inNotifier, void *inRefCon); 759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void (*SetStartFrame)(struct S_AudioFilePlayer *afp, int frame); /* seek in the file */ 769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int (*GetCurrentFrame)(struct S_AudioFilePlayer *afp); /* get the current frame position */ 779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void (*SetStopFrame)(struct S_AudioFilePlayer *afp, int frame); /* set limit in the file */ 789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int (*Connect)(struct S_AudioFilePlayer *afp); 799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void (*Disconnect)(struct S_AudioFilePlayer *afp); 809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void (*DoNotification)(struct S_AudioFilePlayer *afp, OSStatus inError); 819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int (*IsConnected)(struct S_AudioFilePlayer *afp); 829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AudioUnit (*GetDestUnit)(struct S_AudioFilePlayer *afp); 839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void (*Print)(struct S_AudioFilePlayer *afp); 849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/*private:*/ 869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AudioUnit mPlayUnit; 879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall FSIORefNum mForkRefNum; 889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AURenderCallbackStruct mInputCallback; 909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AudioStreamBasicDescription mFileDescription; 929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int mConnected; 949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall struct S_AudioFileManager* mAudioFileManager; 969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AudioFilePlayNotifier mNotifier; 989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void* mRefCon; 999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int mStartFrame; 1019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#pragma mark __________ Private_Methods 1039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int (*OpenFile)(struct S_AudioFilePlayer *afp, const FSRef *inRef, SInt64 *outFileSize); 1059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} AudioFilePlayer; 1069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallAudioFilePlayer *new_AudioFilePlayer(const FSRef *inFileRef); 1099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid delete_AudioFilePlayer(AudioFilePlayer *afp); 1109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#pragma mark __________ AudioFileManager 1149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Halltypedef struct S_AudioFileManager 1159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/*public:*/ 1179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* this method should NOT be called by an object of this class 1189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall as it is called by the parent's Disconnect() method */ 1199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void (*Disconnect)(struct S_AudioFileManager *afm); 1209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int (*DoConnect)(struct S_AudioFileManager *afm); 1219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall OSStatus (*Read)(struct S_AudioFileManager *afm, char *buffer, ByteCount *len); 1229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall const char* (*GetFileBuffer)(struct S_AudioFileManager *afm); 1239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall const AudioFilePlayer *(*GetParent)(struct S_AudioFileManager *afm); 1249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void (*SetPosition)(struct S_AudioFileManager *afm, SInt64 pos); /* seek/rewind in the file */ 1259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int (*GetByteCounter)(struct S_AudioFileManager *afm); /* return actual bytes streamed to audio hardware */ 1269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void (*SetEndOfFile)(struct S_AudioFileManager *afm, SInt64 pos); /* set the "EOF" (will behave just like it reached eof) */ 1279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/*protected:*/ 1299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AudioFilePlayer* mParent; 1309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SInt16 mForkRefNum; 1319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SInt64 mAudioDataOffset; 1329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char* mFileBuffer; 1349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int mByteCounter; 1369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int mReadFromFirstBuffer; 1389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int mLockUnsuccessful; 1399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int mIsEngaged; 1409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int mNumTimesAskedSinceFinished; 1429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void* mTmpBuffer; 1459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall UInt32 mBufferSize; 1469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall UInt32 mBufferOffset; 1479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/*public:*/ 1489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall UInt32 mChunkSize; 1499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SInt64 mFileLength; 1509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SInt64 mReadFilePosition; 1519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int mWriteToFirstBuffer; 1529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int mFinishedReadingData; 1539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/*protected:*/ 1559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall OSStatus (*Render)(struct S_AudioFileManager *afm, AudioBufferList *ioData); 1569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall OSStatus (*GetFileData)(struct S_AudioFileManager *afm, void** inOutData, UInt32 *inOutDataSize); 1579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void (*AfterRender)(struct S_AudioFileManager *afm); 1589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/*public:*/ 1609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /*static*/ 1619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall OSStatus (*FileInputProc)(void *inRefCon, 1629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AudioUnitRenderActionFlags *ioActionFlags, 1639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall const AudioTimeStamp *inTimeStamp, 1649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall UInt32 inBusNumber, 1659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall UInt32 inNumberFrames, 1669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AudioBufferList *ioData); 1679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} AudioFileManager; 1689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallAudioFileManager *new_AudioFileManager (AudioFilePlayer *inParent, 1719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SInt16 inForkRefNum, 1729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SInt64 inFileLength, 1739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall UInt32 inChunkSize); 1749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid delete_AudioFileManager(AudioFileManager *afm); 1769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 1789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 179