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Diffstat (limited to 'distrib/sdl-1.2.12/src/cdrom/macosx/AudioFilePlayer.c')
-rw-r--r--distrib/sdl-1.2.12/src/cdrom/macosx/AudioFilePlayer.c354
1 files changed, 0 insertions, 354 deletions
diff --git a/distrib/sdl-1.2.12/src/cdrom/macosx/AudioFilePlayer.c b/distrib/sdl-1.2.12/src/cdrom/macosx/AudioFilePlayer.c
deleted file mode 100644
index 333eb0c..0000000
--- a/distrib/sdl-1.2.12/src/cdrom/macosx/AudioFilePlayer.c
+++ /dev/null
@@ -1,354 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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
-
- This file based on Apple sample code. We haven't changed the file name,
- so if you want to see the original search for it on apple.com/developer
-*/
-#include "SDL_config.h"
-
-/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- AudioFilePlayer.cpp
-*/
-#include "AudioFilePlayer.h"
-
-/*
-void ThrowResult (OSStatus result, const char* str)
-{
- SDL_SetError ("Error: %s %d", str, result);
- throw result;
-}
-*/
-
-#if DEBUG
-static void PrintStreamDesc (AudioStreamBasicDescription *inDesc)
-{
- if (!inDesc) {
- printf ("Can't print a NULL desc!\n");
- return;
- }
-
- printf ("- - - - - - - - - - - - - - - - - - - -\n");
- printf (" Sample Rate:%f\n", inDesc->mSampleRate);
- printf (" Format ID:%s\n", (char*)&inDesc->mFormatID);
- printf (" Format Flags:%lX\n", inDesc->mFormatFlags);
- printf (" Bytes per Packet:%ld\n", inDesc->mBytesPerPacket);
- printf (" Frames per Packet:%ld\n", inDesc->mFramesPerPacket);
- printf (" Bytes per Frame:%ld\n", inDesc->mBytesPerFrame);
- printf (" Channels per Frame:%ld\n", inDesc->mChannelsPerFrame);
- printf (" Bits per Channel:%ld\n", inDesc->mBitsPerChannel);
- printf ("- - - - - - - - - - - - - - - - - - - -\n");
-}
-#endif
-
-
-static int AudioFilePlayer_SetDestination (AudioFilePlayer *afp, AudioUnit *inDestUnit)
-{
- /*if (afp->mConnected) throw static_cast<OSStatus>(-1);*/ /* can't set dest if already engaged */
- if (afp->mConnected)
- return 0 ;
-
- SDL_memcpy(&afp->mPlayUnit, inDestUnit, sizeof (afp->mPlayUnit));
-
- OSStatus result = noErr;
-
-
- /* we can "down" cast a component instance to a component */
- ComponentDescription desc;
- result = GetComponentInfo ((Component)*inDestUnit, &desc, 0, 0, 0);
- if (result) return 0; /*THROW_RESULT("GetComponentInfo")*/
-
- /* we're going to use this to know which convert routine to call
- a v1 audio unit will have a type of 'aunt'
- a v2 audio unit will have one of several different types. */
- if (desc.componentType != kAudioUnitComponentType) {
- result = badComponentInstance;
- /*THROW_RESULT("BAD COMPONENT")*/
- if (result) return 0;
- }
-
- /* Set the input format of the audio unit. */
- result = AudioUnitSetProperty (*inDestUnit,
- kAudioUnitProperty_StreamFormat,
- kAudioUnitScope_Input,
- 0,
- &afp->mFileDescription,
- sizeof (afp->mFileDescription));
- /*THROW_RESULT("AudioUnitSetProperty")*/
- if (result) return 0;
- return 1;
-}
-
-static void AudioFilePlayer_SetNotifier(AudioFilePlayer *afp, AudioFilePlayNotifier inNotifier, void *inRefCon)
-{
- afp->mNotifier = inNotifier;
- afp->mRefCon = inRefCon;
-}
-
-static int AudioFilePlayer_IsConnected(AudioFilePlayer *afp)
-{
- return afp->mConnected;
-}
-
-static AudioUnit AudioFilePlayer_GetDestUnit(AudioFilePlayer *afp)
-{
- return afp->mPlayUnit;
-}
-
-static void AudioFilePlayer_Print(AudioFilePlayer *afp)
-{
-#if DEBUG
- printf ("Is Connected:%s\n", (IsConnected() ? "true" : "false"));
- printf ("- - - - - - - - - - - - - - \n");
-#endif
-}
-
-static void AudioFilePlayer_SetStartFrame (AudioFilePlayer *afp, int frame)
-{
- SInt64 position = frame * 2352;
-
- afp->mStartFrame = frame;
- afp->mAudioFileManager->SetPosition (afp->mAudioFileManager, position);
-}
-
-
-static int AudioFilePlayer_GetCurrentFrame (AudioFilePlayer *afp)
-{
- return afp->mStartFrame + (afp->mAudioFileManager->GetByteCounter(afp->mAudioFileManager) / 2352);
-}
-
-static void AudioFilePlayer_SetStopFrame (AudioFilePlayer *afp, int frame)
-{
- SInt64 position = frame * 2352;
-
- afp->mAudioFileManager->SetEndOfFile (afp->mAudioFileManager, position);
-}
-
-void delete_AudioFilePlayer(AudioFilePlayer *afp)
-{
- if (afp != NULL)
- {
- afp->Disconnect(afp);
-
- if (afp->mAudioFileManager) {
- delete_AudioFileManager(afp->mAudioFileManager);
- afp->mAudioFileManager = 0;
- }
-
- if (afp->mForkRefNum) {
- FSCloseFork (afp->mForkRefNum);
- afp->mForkRefNum = 0;
- }
- SDL_free(afp);
- }
-}
-
-static int AudioFilePlayer_Connect(AudioFilePlayer *afp)
-{
-#if DEBUG
- printf ("Connect:%x, engaged=%d\n", (int)afp->mPlayUnit, (afp->mConnected ? 1 : 0));
-#endif
- if (!afp->mConnected)
- {
- if (!afp->mAudioFileManager->DoConnect(afp->mAudioFileManager))
- return 0;
-
- /* set the render callback for the file data to be supplied to the sound converter AU */
- afp->mInputCallback.inputProc = afp->mAudioFileManager->FileInputProc;
- afp->mInputCallback.inputProcRefCon = afp->mAudioFileManager;
-
- OSStatus result = AudioUnitSetProperty (afp->mPlayUnit,
- kAudioUnitProperty_SetInputCallback,
- kAudioUnitScope_Input,
- 0,
- &afp->mInputCallback,
- sizeof(afp->mInputCallback));
- if (result) return 0; /*THROW_RESULT("AudioUnitSetProperty")*/
- afp->mConnected = 1;
- }
-
- return 1;
-}
-
-/* warning noted, now please go away ;-) */
-/* #warning This should redirect the calling of notification code to some other thread */
-static void AudioFilePlayer_DoNotification (AudioFilePlayer *afp, OSStatus inStatus)
-{
- if (afp->mNotifier) {
- (*afp->mNotifier) (afp->mRefCon, inStatus);
- } else {
- SDL_SetError ("Notification posted with no notifier in place");
-
- if (inStatus == kAudioFilePlay_FileIsFinished)
- afp->Disconnect(afp);
- else if (inStatus != kAudioFilePlayErr_FilePlayUnderrun)
- afp->Disconnect(afp);
- }
-}
-
-static void AudioFilePlayer_Disconnect (AudioFilePlayer *afp)
-{
-#if DEBUG
- printf ("Disconnect:%x,%ld, engaged=%d\n", (int)afp->mPlayUnit, 0, (afp->mConnected ? 1 : 0));
-#endif
- if (afp->mConnected)
- {
- afp->mConnected = 0;
-
- afp->mInputCallback.inputProc = 0;
- afp->mInputCallback.inputProcRefCon = 0;
- OSStatus result = AudioUnitSetProperty (afp->mPlayUnit,
- kAudioUnitProperty_SetInputCallback,
- kAudioUnitScope_Input,
- 0,
- &afp->mInputCallback,
- sizeof(afp->mInputCallback));
- if (result)
- SDL_SetError ("AudioUnitSetProperty:RemoveInputCallback:%ld", result);
-
- afp->mAudioFileManager->Disconnect(afp->mAudioFileManager);
- }
-}
-
-typedef struct {
- UInt32 offset;
- UInt32 blockSize;
-} SSNDData;
-
-static int AudioFilePlayer_OpenFile (AudioFilePlayer *afp, const FSRef *inRef, SInt64 *outFileDataSize)
-{
- ContainerChunk chunkHeader;
- ChunkHeader chunk;
- SSNDData ssndData;
-
- OSErr result;
- HFSUniStr255 dfName;
- ByteCount actual;
- SInt64 offset;
-
- /* Open the data fork of the input file */
- result = FSGetDataForkName(&dfName);
- if (result) return 0; /*THROW_RESULT("AudioFilePlayer::OpenFile(): FSGetDataForkName")*/
-
- result = FSOpenFork(inRef, dfName.length, dfName.unicode, fsRdPerm, &afp->mForkRefNum);
- if (result) return 0; /*THROW_RESULT("AudioFilePlayer::OpenFile(): FSOpenFork")*/
-
- /* Read the file header, and check if it's indeed an AIFC file */
- result = FSReadFork(afp->mForkRefNum, fsAtMark, 0, sizeof(chunkHeader), &chunkHeader, &actual);
- if (result) return 0; /*THROW_RESULT("AudioFilePlayer::OpenFile(): FSReadFork")*/
-
- if (chunkHeader.ckID != 'FORM') {
- result = -1;
- if (result) return 0; /*THROW_RESULT("AudioFilePlayer::OpenFile(): chunk id is not 'FORM'");*/
- }
-
- if (chunkHeader.formType != 'AIFC') {
- result = -1;
- if (result) return 0; /*THROW_RESULT("AudioFilePlayer::OpenFile(): file format is not 'AIFC'");*/
- }
-
- /* Search for the SSND chunk. We ignore all compression etc. information
- in other chunks. Of course that is kind of evil, but for now we are lazy
- and rely on the cdfs to always give us the same fixed format.
- TODO: Parse the COMM chunk we currently skip to fill in mFileDescription.
- */
- offset = 0;
- do {
- result = FSReadFork(afp->mForkRefNum, fsFromMark, offset, sizeof(chunk), &chunk, &actual);
- if (result) return 0; /*THROW_RESULT("AudioFilePlayer::OpenFile(): FSReadFork")*/
-
- /* Skip the chunk data */
- offset = chunk.ckSize;
- } while (chunk.ckID != 'SSND');
-
- /* Read the header of the SSND chunk. After this, we are positioned right
- at the start of the audio data. */
- result = FSReadFork(afp->mForkRefNum, fsAtMark, 0, sizeof(ssndData), &ssndData, &actual);
- if (result) return 0; /*THROW_RESULT("AudioFilePlayer::OpenFile(): FSReadFork")*/
-
- result = FSSetForkPosition(afp->mForkRefNum, fsFromMark, ssndData.offset);
- if (result) return 0; /*THROW_RESULT("AudioFilePlayer::OpenFile(): FSSetForkPosition")*/
-
- /* Data size */
- *outFileDataSize = chunk.ckSize - ssndData.offset - 8;
-
- /* File format */
- afp->mFileDescription.mSampleRate = 44100;
- afp->mFileDescription.mFormatID = kAudioFormatLinearPCM;
- afp->mFileDescription.mFormatFlags = kLinearPCMFormatFlagIsPacked | kLinearPCMFormatFlagIsSignedInteger;
- afp->mFileDescription.mBytesPerPacket = 4;
- afp->mFileDescription.mFramesPerPacket = 1;
- afp->mFileDescription.mBytesPerFrame = 4;
- afp->mFileDescription.mChannelsPerFrame = 2;
- afp->mFileDescription.mBitsPerChannel = 16;
-
- return 1;
-}
-
-AudioFilePlayer *new_AudioFilePlayer (const FSRef *inFileRef)
-{
- SInt64 fileDataSize = 0;
-
- AudioFilePlayer *afp = (AudioFilePlayer *) SDL_malloc(sizeof (AudioFilePlayer));
- if (afp == NULL)
- return NULL;
- SDL_memset(afp, '\0', sizeof (*afp));
-
- #define SET_AUDIOFILEPLAYER_METHOD(m) afp->m = AudioFilePlayer_##m
- SET_AUDIOFILEPLAYER_METHOD(SetDestination);
- SET_AUDIOFILEPLAYER_METHOD(SetNotifier);
- SET_AUDIOFILEPLAYER_METHOD(SetStartFrame);
- SET_AUDIOFILEPLAYER_METHOD(GetCurrentFrame);
- SET_AUDIOFILEPLAYER_METHOD(SetStopFrame);
- SET_AUDIOFILEPLAYER_METHOD(Connect);
- SET_AUDIOFILEPLAYER_METHOD(Disconnect);
- SET_AUDIOFILEPLAYER_METHOD(DoNotification);
- SET_AUDIOFILEPLAYER_METHOD(IsConnected);
- SET_AUDIOFILEPLAYER_METHOD(GetDestUnit);
- SET_AUDIOFILEPLAYER_METHOD(Print);
- SET_AUDIOFILEPLAYER_METHOD(OpenFile);
- #undef SET_AUDIOFILEPLAYER_METHOD
-
- if (!afp->OpenFile (afp, inFileRef, &fileDataSize))
- {
- SDL_free(afp);
- return NULL;
- }
-
- /* we want about 4 seconds worth of data for the buffer */
- int bytesPerSecond = (UInt32) (4 * afp->mFileDescription.mSampleRate * afp->mFileDescription.mBytesPerFrame);
-
-#if DEBUG
- printf("File format:\n");
- PrintStreamDesc (&afp->mFileDescription);
-#endif
-
- afp->mAudioFileManager = new_AudioFileManager(afp, afp->mForkRefNum,
- fileDataSize,
- bytesPerSecond);
- if (afp->mAudioFileManager == NULL)
- {
- delete_AudioFilePlayer(afp);
- return NULL;
- }
-
- return afp;
-}
-
generated by cgit v1.1 at 2024-12-22 16:09:55 +0000