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;
}
int ReleaseFile ()
{
int error = -1;
if (thePlayer != NULL) {
thePlayer->Disconnect(thePlayer);
delete_AudioFilePlayer(thePlayer);
thePlayer = NULL;
}
error = 0;
return error;
}
