static bool tagToString(uint32 tag, bool trim, UString &str) {
tag = TO_BE_32(tag);
const char *tS = reinterpret_cast<const char *>(&tag);
if (!std::isprint(tS[0]) || !std::isprint(tS[1]) || !std::isprint(tS[2]) || !std::isprint(tS[3]))
return false;
str = UString::format("%c%c%c%c", tS[0], tS[1], tS[2], tS[3]);
if (trim)
str.trim();
return true;
}
static bool tagToString(uint32 tag, bool trim, Common::UString &str) {
tag = TO_BE_32(tag);
const char *tS = (const char *) &tag;
if (!std::isprint(tS[0]) || !std::isprint(tS[1]) || !std::isprint(tS[2]) || !std::isprint(tS[3]))
return false;
str = UString::sprintf("%c%c%c%c", tS[0], tS[1], tS[2], tS[3]);
if (trim)
str.trim();
return true;
}
BaseSound::BaseSound(Audio::Mixer *mixer, File *file, uint32 base, bool bigendian) {
_mixer = mixer;
_file = file;
uint res = 0;
uint32 size;
_file->seek(base + sizeof(uint32), SEEK_SET);
if (bigendian)
size = _file->readUint32BE();
else
size = _file->readUint32LE();
// The Feeble Files uses set amount of voice offsets
if (size == 0)
size = 40000;
res = size / sizeof(uint32);
_offsets = (uint32 *)malloc(size + sizeof(uint32));
_freeOffsets = true;
_file->seek(base, SEEK_SET);
if (_file->read(_offsets, size) != size)
error("Can't read offsets");
for (uint i = 0; i < res; i++) {
#if defined(SCUMM_BIG_ENDIAN)
if (!(bigendian))
_offsets[i] = FROM_LE_32(_offsets[i]);
#endif
if (bigendian)
_offsets[i] = TO_BE_32(_offsets[i]);
_offsets[i] += base;
}
// only needed for mp3
_offsets[res] = _file->size();
}
/**
* Opens and inits all sound sample files.
*/
void SoundManager::openSampleFiles() {
// Floppy and demo versions have no sample files, except for the Discworld 2 demo
if (_vm->getFeatures() & GF_FLOPPY || (IsDemo && !TinselV2))
return;
TinselFile f;
if (_sampleIndex)
// already allocated
return;
// open sample index file in binary mode
if (f.open(_vm->getSampleIndex(sampleLanguage))) {
// get length of index file
f.seek(0, SEEK_END); // move to end of file
_sampleIndexLen = f.pos(); // get file pointer
f.seek(0, SEEK_SET); // back to beginning
if (_sampleIndex == NULL) {
// allocate a buffer for the indices
_sampleIndex = (uint32 *)malloc(_sampleIndexLen);
// make sure memory allocated
if (_sampleIndex == NULL) {
// disable samples if cannot alloc buffer for indices
// TODO: Disabled sound if we can't load the sample index?
return;
}
}
// load data
if (f.read(_sampleIndex, _sampleIndexLen) != (uint32)_sampleIndexLen)
// file must be corrupt if we get to here
error(FILE_IS_CORRUPT, _vm->getSampleFile(sampleLanguage));
// close the file
f.close();
// convert file size to size in DWORDs
_sampleIndexLen /= sizeof(uint32);
#ifdef SCUMM_BIG_ENDIAN
// Convert all ids from LE to native format
for (int i = 0; i < _sampleIndexLen; ++i) {
_sampleIndex[i] = SWAP_BYTES_32(_sampleIndex[i]);
}
#endif
// Detect format of soundfile by looking at 1st sample-index
switch (TO_BE_32(_sampleIndex[0])) {
case MKID_BE('MP3 '):
debugC(DEBUG_DETAILED, kTinselDebugSound, "Detected MP3 sound-data");
_soundMode = kMP3Mode;
break;
case MKID_BE('OGG '):
debugC(DEBUG_DETAILED, kTinselDebugSound, "Detected OGG sound-data");
_soundMode = kVorbisMode;
break;
case MKID_BE('FLAC'):
debugC(DEBUG_DETAILED, kTinselDebugSound, "Detected FLAC sound-data");
_soundMode = kFLACMode;
break;
default:
debugC(DEBUG_DETAILED, kTinselDebugSound, "Detected original sound-data");
break;
}
// Normally the 1st sample-index points to nothing at all
_sampleIndex[0] = 0;
} else {
char buf[50];
sprintf(buf, CANNOT_FIND_FILE, _vm->getSampleIndex(sampleLanguage));
GUI::MessageDialog dialog(buf, "OK");
dialog.runModal();
error(CANNOT_FIND_FILE, _vm->getSampleIndex(sampleLanguage));
}
// open sample file in binary mode
if (!_sampleStream.open(_vm->getSampleFile(sampleLanguage))) {
char buf[50];
sprintf(buf, CANNOT_FIND_FILE, _vm->getSampleFile(sampleLanguage));
GUI::MessageDialog dialog(buf, "OK");
dialog.runModal();
error(CANNOT_FIND_FILE, _vm->getSampleFile(sampleLanguage));
}
/*
// gen length of the largest sample
sampleBuffer.size = _sampleStream.readUint32LE();
if (_sampleStream.eos() || _sampleStream.err())
error(FILE_IS_CORRUPT, _vm->getSampleFile(sampleLanguage));
*/
}
