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Diffstat (limited to 'distrib/sdl-1.2.15/src/cdrom/macosx/CDPlayer.c')
-rw-r--r--distrib/sdl-1.2.15/src/cdrom/macosx/CDPlayer.c636
1 files changed, 636 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/cdrom/macosx/CDPlayer.c b/distrib/sdl-1.2.15/src/cdrom/macosx/CDPlayer.c
new file mode 100644
index 0000000..beb87cd
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/cdrom/macosx/CDPlayer.c
@@ -0,0 +1,636 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2012 Sam Lantinga
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this library; if not, write to the Free
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "CDPlayer.h"
+#include "AudioFilePlayer.h"
+#include "SDLOSXCAGuard.h"
+
+/* we're exporting these functions into C land for SDL_syscdrom.c */
+/*extern "C" {*/
+
+/*///////////////////////////////////////////////////////////////////////////
+ Constants
+ //////////////////////////////////////////////////////////////////////////*/
+
+#define kAudioCDFilesystemID (UInt16)(('J' << 8) | 'H') /* 'JH'; this avoids compiler warning */
+
+/* XML PList keys */
+#define kRawTOCDataString "Format 0x02 TOC Data"
+#define kSessionsString "Sessions"
+#define kSessionTypeString "Session Type"
+#define kTrackArrayString "Track Array"
+#define kFirstTrackInSessionString "First Track"
+#define kLastTrackInSessionString "Last Track"
+#define kLeadoutBlockString "Leadout Block"
+#define kDataKeyString "Data"
+#define kPointKeyString "Point"
+#define kSessionNumberKeyString "Session Number"
+#define kStartBlockKeyString "Start Block"
+
+/*///////////////////////////////////////////////////////////////////////////
+ Globals
+ //////////////////////////////////////////////////////////////////////////*/
+
+#pragma mark -- Globals --
+
+static int playBackWasInit = 0;
+static AudioUnit theUnit;
+static AudioFilePlayer* thePlayer = NULL;
+static CDPlayerCompletionProc completionProc = NULL;
+static SDL_mutex *apiMutex = NULL;
+static SDL_sem *callbackSem;
+static SDL_CD* theCDROM;
+
+/*///////////////////////////////////////////////////////////////////////////
+ Prototypes
+ //////////////////////////////////////////////////////////////////////////*/
+
+#pragma mark -- Prototypes --
+
+static OSStatus CheckInit ();
+
+static void FilePlayNotificationHandler (void* inRefCon, OSStatus inStatus);
+
+static int RunCallBackThread (void* inRefCon);
+
+
+#pragma mark -- Public Functions --
+
+void Lock ()
+{
+ if (!apiMutex) {
+ apiMutex = SDL_CreateMutex();
+ }
+ SDL_mutexP(apiMutex);
+}
+
+void Unlock ()
+{
+ SDL_mutexV(apiMutex);
+}
+
+int DetectAudioCDVolumes(FSVolumeRefNum *volumes, int numVolumes)
+{
+ int volumeIndex;
+ int cdVolumeCount = 0;
+ OSStatus result = noErr;
+
+ for (volumeIndex = 1; result == noErr || result != nsvErr; volumeIndex++)
+ {
+ FSVolumeRefNum actualVolume;
+ FSVolumeInfo volumeInfo;
+
+ memset (&volumeInfo, 0, sizeof(volumeInfo));
+
+ result = FSGetVolumeInfo (kFSInvalidVolumeRefNum,
+ volumeIndex,
+ &actualVolume,
+ kFSVolInfoFSInfo,
+ &volumeInfo,
+ NULL,
+ NULL);
+
+ if (result == noErr)
+ {
+ if (volumeInfo.filesystemID == kAudioCDFilesystemID) /* It's an audio CD */
+ {
+ if (volumes != NULL && cdVolumeCount < numVolumes)
+ volumes[cdVolumeCount] = actualVolume;
+
+ cdVolumeCount++;
+ }
+ }
+ else
+ {
+ /* I'm commenting this out because it seems to be harmless */
+ /*SDL_SetError ("DetectAudioCDVolumes: FSGetVolumeInfo returned %d", result);*/
+ }
+ }
+
+ return cdVolumeCount;
+}
+
+int ReadTOCData (FSVolumeRefNum theVolume, SDL_CD *theCD)
+{
+ HFSUniStr255 dataForkName;
+ OSStatus theErr;
+ FSIORefNum forkRefNum;
+ SInt64 forkSize;
+ Ptr forkData = 0;
+ ByteCount actualRead;
+ CFDataRef dataRef = 0;
+ CFPropertyListRef propertyListRef = 0;
+ FSRefParam fsRefPB;
+ FSRef tocPlistFSRef;
+ FSRef rootRef;
+ const char* error = "Unspecified Error";
+ const UniChar uniName[] = { '.','T','O','C','.','p','l','i','s','t' };
+
+ theErr = FSGetVolumeInfo(theVolume, 0, 0, kFSVolInfoNone, 0, 0, &rootRef);
+ if(theErr != noErr) {
+ error = "FSGetVolumeInfo";
+ goto bail;
+ }
+
+ SDL_memset(&fsRefPB, '\0', sizeof (fsRefPB));
+
+ /* get stuff from .TOC.plist */
+ fsRefPB.ref = &rootRef;
+ fsRefPB.newRef = &tocPlistFSRef;
+ fsRefPB.nameLength = sizeof (uniName) / sizeof (uniName[0]);
+ fsRefPB.name = uniName;
+ fsRefPB.textEncodingHint = kTextEncodingUnknown;
+
+ theErr = PBMakeFSRefUnicodeSync (&fsRefPB);
+ if(theErr != noErr) {
+ error = "PBMakeFSRefUnicodeSync";
+ goto bail;
+ }
+
+ /* Load and parse the TOC XML data */
+
+ theErr = FSGetDataForkName (&dataForkName);
+ if (theErr != noErr) {
+ error = "FSGetDataForkName";
+ goto bail;
+ }
+
+ theErr = FSOpenFork (&tocPlistFSRef, dataForkName.length, dataForkName.unicode, fsRdPerm, &forkRefNum);
+ if (theErr != noErr) {
+ error = "FSOpenFork";
+ goto bail;
+ }
+
+ theErr = FSGetForkSize (forkRefNum, &forkSize);
+ if (theErr != noErr) {
+ error = "FSGetForkSize";
+ goto bail;
+ }
+
+ /* Allocate some memory for the XML data */
+ forkData = NewPtr (forkSize);
+ if(forkData == NULL) {
+ error = "NewPtr";
+ goto bail;
+ }
+
+ theErr = FSReadFork (forkRefNum, fsFromStart, 0 /* offset location */, forkSize, forkData, &actualRead);
+ if(theErr != noErr) {
+ error = "FSReadFork";
+ goto bail;
+ }
+
+ dataRef = CFDataCreate (kCFAllocatorDefault, (UInt8 *)forkData, forkSize);
+ if(dataRef == 0) {
+ error = "CFDataCreate";
+ goto bail;
+ }
+
+ propertyListRef = CFPropertyListCreateFromXMLData (kCFAllocatorDefault,
+ dataRef,
+ kCFPropertyListImmutable,
+ NULL);
+ if (propertyListRef == NULL) {
+ error = "CFPropertyListCreateFromXMLData";
+ goto bail;
+ }
+
+ /* Now we got the Property List in memory. Parse it. */
+
+ /* First, make sure the root item is a CFDictionary. If not, release and bail. */
+ if(CFGetTypeID(propertyListRef)== CFDictionaryGetTypeID())
+ {
+ CFDictionaryRef dictRef = (CFDictionaryRef)propertyListRef;
+
+ CFDataRef theRawTOCDataRef;
+ CFArrayRef theSessionArrayRef;
+ CFIndex numSessions;
+ CFIndex index;
+
+ /* This is how we get the Raw TOC Data */
+ theRawTOCDataRef = (CFDataRef)CFDictionaryGetValue (dictRef, CFSTR(kRawTOCDataString));
+
+ /* Get the session array info. */
+ theSessionArrayRef = (CFArrayRef)CFDictionaryGetValue (dictRef, CFSTR(kSessionsString));
+
+ /* Find out how many sessions there are. */
+ numSessions = CFArrayGetCount (theSessionArrayRef);
+
+ /* Initialize the total number of tracks to 0 */
+ theCD->numtracks = 0;
+
+ /* Iterate over all sessions, collecting the track data */
+ for(index = 0; index < numSessions; index++)
+ {
+ CFDictionaryRef theSessionDict;
+ CFNumberRef leadoutBlock;
+ CFArrayRef trackArray;
+ CFIndex numTracks;
+ CFIndex trackIndex;
+ UInt32 value = 0;
+
+ theSessionDict = (CFDictionaryRef) CFArrayGetValueAtIndex (theSessionArrayRef, index);
+ leadoutBlock = (CFNumberRef) CFDictionaryGetValue (theSessionDict, CFSTR(kLeadoutBlockString));
+
+ trackArray = (CFArrayRef)CFDictionaryGetValue (theSessionDict, CFSTR(kTrackArrayString));
+
+ numTracks = CFArrayGetCount (trackArray);
+
+ for(trackIndex = 0; trackIndex < numTracks; trackIndex++) {
+
+ CFDictionaryRef theTrackDict;
+ CFNumberRef trackNumber;
+ CFNumberRef sessionNumber;
+ CFNumberRef startBlock;
+ CFBooleanRef isDataTrack;
+ UInt32 value;
+
+ theTrackDict = (CFDictionaryRef) CFArrayGetValueAtIndex (trackArray, trackIndex);
+
+ trackNumber = (CFNumberRef) CFDictionaryGetValue (theTrackDict, CFSTR(kPointKeyString));
+ sessionNumber = (CFNumberRef) CFDictionaryGetValue (theTrackDict, CFSTR(kSessionNumberKeyString));
+ startBlock = (CFNumberRef) CFDictionaryGetValue (theTrackDict, CFSTR(kStartBlockKeyString));
+ isDataTrack = (CFBooleanRef) CFDictionaryGetValue (theTrackDict, CFSTR(kDataKeyString));
+
+ /* Fill in the SDL_CD struct */
+ int idx = theCD->numtracks++;
+
+ CFNumberGetValue (trackNumber, kCFNumberSInt32Type, &value);
+ theCD->track[idx].id = value;
+
+ CFNumberGetValue (startBlock, kCFNumberSInt32Type, &value);
+ theCD->track[idx].offset = value;
+
+ theCD->track[idx].type = (isDataTrack == kCFBooleanTrue) ? SDL_DATA_TRACK : SDL_AUDIO_TRACK;
+
+ /* Since the track lengths are not stored in .TOC.plist we compute them. */
+ if (trackIndex > 0) {
+ theCD->track[idx-1].length = theCD->track[idx].offset - theCD->track[idx-1].offset;
+ }
+ }
+
+ /* Compute the length of the last track */
+ CFNumberGetValue (leadoutBlock, kCFNumberSInt32Type, &value);
+
+ theCD->track[theCD->numtracks-1].length =
+ value - theCD->track[theCD->numtracks-1].offset;
+
+ /* Set offset to leadout track */
+ theCD->track[theCD->numtracks].offset = value;
+ }
+
+ }
+
+ theErr = 0;
+ goto cleanup;
+bail:
+ SDL_SetError ("ReadTOCData: %s returned %d", error, theErr);
+ theErr = -1;
+cleanup:
+
+ if (propertyListRef != NULL)
+ CFRelease(propertyListRef);
+ if (dataRef != NULL)
+ CFRelease(dataRef);
+ if (forkData != NULL)
+ DisposePtr(forkData);
+
+ FSCloseFork (forkRefNum);
+
+ return theErr;
+}
+
+int ListTrackFiles (FSVolumeRefNum theVolume, FSRef *trackFiles, int numTracks)
+{
+ OSStatus result = -1;
+ FSIterator iterator;
+ ItemCount actualObjects;
+ FSRef rootDirectory;
+ FSRef ref;
+ HFSUniStr255 nameStr;
+
+ result = FSGetVolumeInfo (theVolume,
+ 0,
+ NULL,
+ kFSVolInfoFSInfo,
+ NULL,
+ NULL,
+ &rootDirectory);
+
+ if (result != noErr) {
+ SDL_SetError ("ListTrackFiles: FSGetVolumeInfo returned %d", result);
+ return result;
+ }
+
+ result = FSOpenIterator (&rootDirectory, kFSIterateFlat, &iterator);
+ if (result == noErr) {
+ do
+ {
+ result = FSGetCatalogInfoBulk (iterator, 1, &actualObjects,
+ NULL, kFSCatInfoNone, NULL, &ref, NULL, &nameStr);
+ if (result == noErr) {
+
+ CFStringRef name;
+ name = CFStringCreateWithCharacters (NULL, nameStr.unicode, nameStr.length);
+
+ /* Look for .aiff extension */
+ if (CFStringHasSuffix (name, CFSTR(".aiff")) ||
+ CFStringHasSuffix (name, CFSTR(".cdda"))) {
+
+ /* Extract the track id from the filename */
+ int trackID = 0, i = 0;
+ while (i < nameStr.length && !isdigit(nameStr.unicode[i])) {
+ ++i;
+ }
+ while (i < nameStr.length && isdigit(nameStr.unicode[i])) {
+ trackID = 10 * trackID +(nameStr.unicode[i] - '0');
+ ++i;
+ }
+
+ #if DEBUG_CDROM
+ printf("Found AIFF for track %d: '%s'\n", trackID,
+ CFStringGetCStringPtr (name, CFStringGetSystemEncoding()));
+ #endif
+
+ /* Track ID's start at 1, but we want to start at 0 */
+ trackID--;
+
+ assert(0 <= trackID && trackID <= SDL_MAX_TRACKS);
+
+ if (trackID < numTracks)
+ memcpy (&trackFiles[trackID], &ref, sizeof(FSRef));
+ }
+ CFRelease (name);
+ }
+ } while(noErr == result);
+ FSCloseIterator (iterator);
+ }
+
+ return 0;
+}
+
+int LoadFile (const FSRef *ref, int startFrame, int stopFrame)
+{
+ int error = -1;
+
+ if (CheckInit () < 0)
+ goto bail;
+
+ /* release any currently playing file */
+ if (ReleaseFile () < 0)
+ goto bail;
+
+ #if DEBUG_CDROM
+ printf ("LoadFile: %d %d\n", startFrame, stopFrame);
+ #endif
+
+ /*try {*/
+
+ /* create a new player, and attach to the audio unit */
+
+ thePlayer = new_AudioFilePlayer(ref);
+ if (thePlayer == NULL) {
+ SDL_SetError ("LoadFile: Could not create player");
+ return -3; /*throw (-3);*/
+ }
+
+ if (!thePlayer->SetDestination(thePlayer, &theUnit))
+ goto bail;
+
+ if (startFrame >= 0)
+ thePlayer->SetStartFrame (thePlayer, startFrame);
+
+ if (stopFrame >= 0 && stopFrame > startFrame)
+ thePlayer->SetStopFrame (thePlayer, stopFrame);
+
+ /* we set the notifier later */
+ /*thePlayer->SetNotifier(thePlayer, FilePlayNotificationHandler, NULL);*/
+
+ if (!thePlayer->Connect(thePlayer))
+ goto bail;
+
+ #if DEBUG_CDROM
+ thePlayer->Print(thePlayer);
+ fflush (stdout);
+ #endif
+ /*}
+ catch (...)
+ {
+ goto bail;
+ }*/
+
+ error = 0;
+
+ bail:
+ return error;
+}
+
+int ReleaseFile ()
+{
+ int error = -1;
+
+ /* (Don't see any way that the original C++ code could throw here.) --ryan. */
+ /*try {*/
+ if (thePlayer != NULL) {
+
+ thePlayer->Disconnect(thePlayer);
+
+ delete_AudioFilePlayer(thePlayer);
+
+ thePlayer = NULL;
+ }
+ /*}
+ catch (...)
+ {
+ goto bail;
+ }*/
+
+ error = 0;
+
+/* bail: */
+ return error;
+}
+
+int PlayFile ()
+{
+ OSStatus result = -1;
+
+ if (CheckInit () < 0)
+ goto bail;
+
+ /*try {*/
+
+ // start processing of the audio unit
+ result = AudioOutputUnitStart (theUnit);
+ if (result) goto bail; //THROW_RESULT("PlayFile: AudioOutputUnitStart")
+
+ /*}
+ catch (...)
+ {
+ goto bail;
+ }*/
+
+ result = 0;
+
+bail:
+ return result;
+}
+
+int PauseFile ()
+{
+ OSStatus result = -1;
+
+ if (CheckInit () < 0)
+ goto bail;
+
+ /*try {*/
+
+ /* stop processing the audio unit */
+ result = AudioOutputUnitStop (theUnit);
+ if (result) goto bail; /*THROW_RESULT("PauseFile: AudioOutputUnitStop")*/
+ /*}
+ catch (...)
+ {
+ goto bail;
+ }*/
+
+ result = 0;
+bail:
+ return result;
+}
+
+void SetCompletionProc (CDPlayerCompletionProc proc, SDL_CD *cdrom)
+{
+ assert(thePlayer != NULL);
+
+ theCDROM = cdrom;
+ completionProc = proc;
+ thePlayer->SetNotifier (thePlayer, FilePlayNotificationHandler, cdrom);
+}
+
+int GetCurrentFrame ()
+{
+ int frame;
+
+ if (thePlayer == NULL)
+ frame = 0;
+ else
+ frame = thePlayer->GetCurrentFrame (thePlayer);
+
+ return frame;
+}
+
+
+#pragma mark -- Private Functions --
+
+static OSStatus CheckInit ()
+{
+ if (playBackWasInit)
+ return 0;
+
+ OSStatus result = noErr;
+
+ /* Create the callback semaphore */
+ callbackSem = SDL_CreateSemaphore(0);
+
+ /* Start callback thread */
+ SDL_CreateThread(RunCallBackThread, NULL);
+
+ { /*try {*/
+ ComponentDescription desc;
+
+ desc.componentType = kAudioUnitType_Output;
+ desc.componentSubType = kAudioUnitSubType_DefaultOutput;
+ desc.componentManufacturer = kAudioUnitManufacturer_Apple;
+ desc.componentFlags = 0;
+ desc.componentFlagsMask = 0;
+
+ Component comp = FindNextComponent (NULL, &desc);
+ if (comp == NULL) {
+ SDL_SetError ("CheckInit: FindNextComponent returned NULL");
+ if (result) return -1; //throw(internalComponentErr);
+ }
+
+ result = OpenAComponent (comp, &theUnit);
+ if (result) return -1; //THROW_RESULT("CheckInit: OpenAComponent")
+
+ // you need to initialize the output unit before you set it as a destination
+ result = AudioUnitInitialize (theUnit);
+ if (result) return -1; //THROW_RESULT("CheckInit: AudioUnitInitialize")
+
+
+ playBackWasInit = true;
+ }
+ /*catch (...)
+ {
+ return -1;
+ }*/
+
+ return 0;
+}
+
+static void FilePlayNotificationHandler(void * inRefCon, OSStatus inStatus)
+{
+ if (inStatus == kAudioFilePlay_FileIsFinished) {
+
+ /* notify non-CA thread to perform the callback */
+ SDL_SemPost(callbackSem);
+
+ } else if (inStatus == kAudioFilePlayErr_FilePlayUnderrun) {
+
+ SDL_SetError ("CDPlayer Notification: buffer underrun");
+ } else if (inStatus == kAudioFilePlay_PlayerIsUninitialized) {
+
+ SDL_SetError ("CDPlayer Notification: player is uninitialized");
+ } else {
+
+ SDL_SetError ("CDPlayer Notification: unknown error %ld", inStatus);
+ }
+}
+
+static int RunCallBackThread (void *param)
+{
+ for (;;) {
+
+ SDL_SemWait(callbackSem);
+
+ if (completionProc && theCDROM) {
+ #if DEBUG_CDROM
+ printf ("callback!\n");
+ #endif
+ (*completionProc)(theCDROM);
+ } else {
+ #if DEBUG_CDROM
+ printf ("callback?\n");
+ #endif
+ }
+ }
+
+ #if DEBUG_CDROM
+ printf ("thread dying now...\n");
+ #endif
+
+ return 0;
+}
+
+/*}; // extern "C" */
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