/* ScummVM - Scumm Interpreter * Copyright (C) 2001 Ludvig Strigeus * Copyright (C) 2001-2003 The ScummVM project * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * This program 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 General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * $Header$ * */ #include "stdafx.h" #include "actor.h" #include "bundle.h" #include "imuse.h" #include "imuse_digi.h" #include "player_v2.h" #include "scumm.h" #include "sound.h" #include "sound/mididrv.h" #include "sound/mixer.h" #include "common/config-file.h" #include "common/timer.h" #include "common/util.h" #include "sound/midiparser.h" enum { SOUND_HEADER_SIZE = 26, SOUND_HEADER_BIG_SIZE = 26 + 8 }; class DigitalTrackInfo { public: virtual bool error() = 0; virtual int play(SoundMixer *mixer, int startFrame, int endFrame) = 0; virtual ~DigitalTrackInfo() { } }; #ifdef USE_MAD class MP3TrackInfo : public DigitalTrackInfo { private: struct mad_header _mad_header; long _size; File *_file; bool _error_flag; public: MP3TrackInfo(File *file); ~MP3TrackInfo(); bool error() { return _error_flag; } int play(SoundMixer *mixer, int startFrame, int endFrame); }; #endif #ifdef USE_VORBIS class VorbisTrackInfo : public DigitalTrackInfo { private: File *_file; OggVorbis_File _ov_file; bool _error_flag; public: VorbisTrackInfo(File *file); ~VorbisTrackInfo(); bool error() { return _error_flag; } int play(SoundMixer *mixer, int startFrame, int endFrame); }; #endif Sound::Sound(Scumm *parent) { memset(this,0,sizeof(Sound)); // palmos _scumm = parent; _nameBundleMusic = ""; _musicBundleBufFinal = NULL; _musicBundleBufOutput = NULL; _musicDisk = 0; _talkChannel = -1; _current_cache = 0; _currentCDSound = 0; _sfxFile = 0; _bundle = new Bundle(); } Sound::~Sound() { delete _sfxFile; delete _bundle; } void Sound::addSoundToQueue(int sound) { if (!(_scumm->_features & GF_DIGI_IMUSE)) { _scumm->VAR(_scumm->VAR_LAST_SOUND) = sound; _scumm->ensureResourceLoaded(rtSound, sound); addSoundToQueue2(sound); } else { // WARNING ! This may break something, maybe this sould be put inside if (_gameID == GID_FT) ? // But why addSoundToQueue should not queue sound ? _scumm->ensureResourceLoaded(rtSound, sound); addSoundToQueue2(sound); } } void Sound::addSoundToQueue2(int sound) { if (_soundQue2Pos < 10) { _soundQue2[_soundQue2Pos++] = sound; } } void Sound::processSoundQues() { int d; int num; int16 data[16]; processSfxQueues(); while (_soundQue2Pos) { d = _soundQue2[--_soundQue2Pos]; if (d) playSound(d); } for (int i = 0; i < _soundQuePos;) { num = _soundQue[i++]; if (i + num > _soundQuePos) { warning("processSoundQues: invalid num value"); break; } memset(data, 0, sizeof(data)); if (num > 0) { for (int j = 0; j < num; j++) data[j] = _soundQue[i + j]; i += num; #if 0 debug(1, "processSoundQues(%d,%d,%d,%d,%d,%d,%d,%d,%d)", data[0] >> 8, data[0] & 0xFF, data[1], data[2], data[3], data[4], data[5], data[6], data[7] ); #endif if (_scumm->_features & GF_DIGI_IMUSE) { if (_scumm->_imuseDigital) _scumm->_imuseDigital->doCommand(data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7]); } else { if (_scumm->_imuse) _scumm->VAR(_scumm->VAR_SOUNDRESULT) = (short)_scumm->_imuse->doCommand(data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7]); } } } _soundQuePos = 0; } void Sound::playSound(int soundID) { byte *ptr; char *sound; int size; int rate; byte flags = SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE; debug(3,"playSound #%d (room %d)", soundID, _scumm->getResourceRoomNr(rtSound, soundID)); ptr = _scumm->getResourceAddress(rtSound, soundID); if (ptr) { if (READ_UINT32(ptr) == MKID('iMUS')){ assert(_scumm->_imuseDigital); _scumm->_imuseDigital->startSound(soundID); return; } else if (READ_UINT32(ptr) == MKID('Crea')) { assert(_scumm->_imuseDigital); _scumm->_imuseDigital->startSound(soundID); return; } else if (READ_UINT32(ptr) == MKID('SOUN')) { ptr += 24; int track = ptr[0]; int loops = ptr[1]; int start = (ptr[2] * 60 + ptr[3]) * 75 + ptr[4]; _scumm->VAR(_scumm->VAR_MUSIC_TIMER) = 0; playCDTrack(track, loops == 0xff ? -1 : loops, start, 0); _currentCDSound = soundID; return; } // Support for SFX in Monkey Island 1, Mac version // This is rather hackish right now, but works OK. SFX are not sounding // 100% correct, though, not sure right now what is causing this. else if (READ_UINT32(ptr) == MKID('Mac1')) { // Read info from the header size = READ_BE_UINT32(ptr+0x60); rate = READ_BE_UINT32(ptr+0x64) >> 16; // Skip over the header (fixed size) ptr += 0x72; // Allocate a sound buffer, copy the data into it, and play sound = (char *)malloc(size); memcpy(sound, ptr, size); _scumm->_mixer->playRaw(NULL, sound, size, rate, flags, soundID); return; } // Support for Putt-Putt sounds - very hackish, too 8-) else if (READ_UINT32(ptr) == MKID('DIGI')) { // TODO - discover what data the first chunk, HSHD, contains // it might be useful here. ptr += 8 + READ_BE_UINT32(ptr+12); if (READ_UINT32(ptr) != MKID('SDAT')) return; // abort size = READ_BE_UINT32(ptr+4) - 8; // FIXME - what value here ?!? 11025 is just a guess based on strings in w32 bin, prev guess 8000 rate = 11025; // Allocate a sound buffer, copy the data into it, and play sound = (char *)malloc(size); memcpy(sound, ptr + 8, size); _scumm->_mixer->playRaw(NULL, sound, size, rate, flags, soundID); return; } // XMIDI else if ((READ_UINT32(ptr) == MKID('MIDI')) && (_scumm->_features & GF_HUMONGOUS)) { // Pass XMIDI on to IMuse unprocessed. // IMuse can handle XMIDI resources now. } else if (READ_UINT32(ptr) == MKID('ADL ')) { // played as MIDI, just to make perhaps the later use // of WA possible (see "else if" with GF_OLD256 below) } // Support for sampled sound effects in Monkey1 and Monkey2 else if (READ_UINT32(ptr) == MKID('SBL ')) { debug(2, "Using SBL sound effect"); // TODO - Figuring out how the SBL chunk works. Here's // an example: // // 53 42 4c 20 00 00 11 ae |SBL ....| // 41 55 68 64 00 00 00 03 |AUhd....| // 00 00 80 41 55 64 74 00 |...AUdt.| // 00 11 9b 01 96 11 00 a6 |........| // 00 7f 7f 7e 7e 7e 7e 7e |...~~~~~| // 7e 7f 7f 80 80 7f 7f 7f |~.......| // 7f 80 80 7f 7e 7d 7d 7e |....~}}~| // 7e 7e 7e 7e 7e 7e 7e 7f |~~~~~~~.| // // The length of the AUhd chunk always seems to be 3 // bytes. Let's skip that for now. // // The starting offset, length and sample rate is all // pure guesswork. The result sounds reasonable to me, // but I've never heard the original. // // I've since discovered that the non-interactive // Sam & Max demo also uses SBL sound effects, but // with different sub-chunks. Example: // // 53 42 4c 20 00 01 15 6e |SBL ...n| // 57 56 68 64 00 00 00 03 |WVhd....| // 00 00 80 57 56 64 74 00 |...WVdt.| // 01 15 5b 01 56 15 01 a6 |..[.V...| // 00 80 80 80 80 80 80 80 |........| // 80 80 80 80 80 80 80 80 |........| // 80 80 80 80 80 80 80 80 |........| // 80 80 80 80 80 80 80 80 |........| // // I'm going to assume that the sample frequency is // the only important difference between the two. // FIXME: SBL resources are apparently horribly // distorted on segacd even though it shares the same // header etc. So don't try to play them for now. if (_scumm->_gameId == GID_MONKEY_SEGA) { return; } if (READ_UINT32(ptr + 8) == MKID('WVhd')) rate = 11025; else rate = 8000; size = READ_BE_UINT32(ptr + 4) - 27; // Allocate a sound buffer, copy the data into it, and play sound = (char *)malloc(size); memcpy(sound, ptr + 33, size); _scumm->_mixer->playRaw(NULL, sound, size, rate, flags, soundID); return; } else if (_scumm->_features & GF_OLD256) { size = READ_LE_UINT32(ptr); #if 0 // FIXME - this is just some debug output for Zak256 if (size != 30) { char name[9]; memcpy(name, ptr+22, 8); name[8] = 0; printf("Going to play Zak256 sound '%s':\n", name); hexdump(ptr, 0x40); } /* There seems to be some pattern in the Zak256 sound data. Two typical examples are these: d7 10 00 00 53 4f d1 10 |....SO..| 00 00 00 00 04 00 ff 00 |........| 64 00 00 00 01 00 64 6f |d.....do| 6f 72 6f 70 65 6e 40 a8 |oropen@.| 57 14 a1 10 00 00 50 08 |W.....P.| 00 00 00 00 00 00 b3 07 |........| 00 00 3c 00 00 00 04 80 |..<.....| 03 02 0a 01 8c 82 87 81 |........| 5b 07 00 00 53 4f 55 07 |[...SOU.| 00 00 00 00 04 00 ff 00 |........| 64 00 00 00 01 00 64 72 |d.....dr| 77 6f 70 65 6e 00 53 a8 |wopen.S.| 57 14 25 07 00 00 92 03 |W.%.....| 00 00 00 00 00 00 88 03 |........| 00 00 3c 00 00 00 82 82 |..<.....| 83 84 86 88 89 8b 89 89 |........| As you can see, there are quite some patterns, e.g. the "3c 00 00 00" - the sound data starts at offset 0x36 Indy 3 uses a different format. The very first sound played in Indy 3 looks as follows: 5a 25 00 00 53 4f 54 25 |Z%..SOT%| 00 00 53 4f db 0a 00 00 |..SO....| 57 41 c8 00 18 00 00 00 |WA......| 00 00 00 00 9e 05 00 00 |........| 00 00 00 00 fd 32 00 f8 |.....2..| 02 f9 08 ff 22 08 00 ff |...."...| 20 5c 00 ff 10 03 00 fd | \......| 64 00 f8 00 f9 00 ff 22 |d......"| Indy 3, opening a door: d1 00 00 00 53 4f cb 00 |....SO..| 00 00 53 4f a2 00 00 00 |..SO....| 57 41 64 00 18 00 00 00 |WAd.....| 00 00 00 00 00 00 00 00 |........| 00 00 7e 00 f9 0c ff 20 |..~.... | 90 01 ff 22 c2 01 ff 0a |..."....| 03 00 ff 04 57 06 ff 00 |....W...| 04 00 ff 0a 00 00 ff 00 |........| So there seems to be a "SO" chunk which contains again a SO chunk and a WA chunk. WA probably again contains audio data? */ #endif rate = 11000; int type = *(ptr + 0x0D); // Check if it is a CD playback resource if (type == 2) { ptr += 0x16; int track = ptr[0]; int loops = ptr[1]; int start = (ptr[2] * 60 + ptr[3]) * 75 + ptr[4]; int end = (ptr[5] * 60 + ptr[6]) * 75 + ptr[7]; if (soundID == _currentCDSound) if (pollCD() == 1) return; playCDTrack(track, loops == 0xff ? -1 : loops, start, end); _currentCDSound = soundID; return; } // Check if it is sound effect // FIXME: Remove " || type == 1" when the kazoo tune format is supported if (type == 0 || type == 1) { int waveSize = READ_LE_UINT32(ptr + 0x22); int loopStart = READ_LE_UINT32(ptr + 0x26); int loopEnd = READ_LE_UINT32(ptr + 0x2A); if (size - 0x36 < waveSize) { warning("Wrong wave size in sound #%i: %i", soundID, waveSize); waveSize = size - 0x36; } ptr += 0x36; sound = (char *)malloc(waveSize); for (int x = 0; x < waveSize; x++) { int bit = *ptr++; if (bit < 0x80) sound[x] = 0x7F - bit; else sound[x] = bit; } // FIXME: Remove " && type == 0" when the kazoo tune format is supported if (loopEnd > 0 && type == 0) { flags |= SoundMixer::FLAG_LOOP; if ((loopEnd < waveSize) || (loopStart > 0)) { // FIXME: Implement partial loops warning("Partial loops not implemented. Loop at 0x%X thru 0x%X", loopStart, loopEnd); } } _scumm->_mixer->playRaw(NULL, sound, waveSize, 11000, flags, soundID); return; } // TODO: Kazoo tune // if (type == 1) { // } } } if (_scumm->_gameId == GID_LOOM && (READ_LE_UINT16(ptr + 4) == 'so')) { // Mac version of Loom uses yet another sound format /* playSound #9 (room 70) 000000: 55 00 00 45 73 6f 00 64 01 00 00 00 00 00 00 00 |U..Eso.d........| 000010: 00 05 00 8e 2a 8f 2d 1c 2a 8f 2a 8f 2d 1c 00 28 |....*.-.*.*.-..(| 000020: 00 31 00 3a 00 43 00 4c 00 01 00 00 00 01 00 64 |.1.:.C.L.......d| 000030: 5a 00 01 00 00 00 01 00 64 00 00 01 00 00 00 01 |Z.......d.......| 000040: 00 64 5a 00 01 00 00 00 01 00 64 5a 00 01 00 00 |.dZ.......dZ....| 000050: 00 01 00 64 00 00 00 00 00 00 00 07 00 00 00 64 |...d...........d| 000060: 64 00 00 4e 73 6f 00 64 01 00 00 00 00 00 00 00 |d..Nso.d........| 000070: 00 05 00 89 3d 57 2d 1c 3d 57 3d 57 2d 1c 00 28 |....=W-.=W=W-..(| playSound #16 (room 69) 000000: dc 00 00 a5 73 6f 00 64 01 00 00 00 00 00 00 00 |....so.d........| 000010: 00 05 00 00 2a 8f 03 e8 03 e8 03 e8 03 e8 00 28 |....*..........(| 000020: 00 79 00 7f 00 85 00 d6 00 01 00 00 00 19 01 18 |.y..............| 000030: 2f 00 18 00 01 18 32 00 18 00 01 18 36 00 18 00 |/.....2.....6...| 000040: 01 18 3b 00 18 00 01 18 3e 00 18 00 01 18 42 00 |..;.....>.....B.| 000050: 18 00 01 18 47 00 18 00 01 18 4a 00 18 00 01 18 |....G.....J.....| 000060: 4e 00 10 00 01 18 53 00 10 00 01 18 56 00 10 00 |N.....S.....V...| 000070: 01 18 5a 00 10 00 02 28 5f 00 01 00 00 00 00 00 |..Z....(_.......| */ return; } if (_scumm->_features & GF_OLD_BUNDLE && _scumm->_version != 1) { // other versions seem to be 0000 at this point... // hopefully this test is correct // 0xfe7f seems to be sound and 0x764a music bool amigatest = (READ_LE_UINT16(ptr + 12) == 0xfe7f) || (READ_LE_UINT16(ptr + 12) == 0x764a); if (amigatest) { // TODO: support amiga sounds } else { if (_scumm->_playerV2) _scumm->_playerV2->startSound (soundID, ptr); } return; } if (_scumm->_gameId == GID_MONKEY_VGA || _scumm->_gameId == GID_MONKEY_EGA) { // Sound is currently not supported at all in the amiga versions of these games if (_scumm->_features & GF_AMIGA) return; // FIXME: This evil hack works around the fact that in some // places in MonkeyVGA, the music is never explicitly stopped. // Rather it seems that starting a new music is supposed to // automatically stop the old song. // This hack relays on the fact that we currently don't support SFX // in these games, only music. Once we add SFX support, we'll have to // revise it / replace it by a proper fix. if (ptr) { _scumm->_imuse->stop_all_sounds(); } } if (_scumm->_imuse) { _scumm->getResourceAddress(rtSound, soundID); _scumm->_imuse->startSound(soundID); } } void Sound::processSfxQueues() { Actor *a; int act; bool b, finished; if (_talk_sound_mode != 0) { if (_talk_sound_mode & 1) startTalkSound(_talk_sound_a1, _talk_sound_b1, 1); if (_talk_sound_mode & 2) _talkChannel = startTalkSound(_talk_sound_a2, _talk_sound_b2, 2); _talk_sound_mode = 0; } if (_scumm->VAR(_scumm->VAR_TALK_ACTOR)) { //_sfxMode & 2) { act = _scumm->VAR(_scumm->VAR_TALK_ACTOR); finished = (_talkChannel >= 0) && (_scumm->_mixer->_channels[_talkChannel] == NULL); if (act != 0 && (uint) act < 0x80 && !_scumm->_string[0].no_talk_anim) { a = _scumm->derefActor(act, "processSfxQueues"); if (a->isInCurrentRoom() && (finished || !_endOfMouthSync)) { b = true; if (!finished) b = isMouthSyncOff(_curSoundPos); if (_mouthSyncMode != b) { _mouthSyncMode = b; if (_talk_sound_frame != -1) { a->startAnimActor(_talk_sound_frame); _talk_sound_frame = -1; } else a->startAnimActor(b ? a->talkStopFrame : a->talkStartFrame); } } } if (finished && _scumm->_talkDelay == 0) { _scumm->stopTalk(); _sfxMode &= ~2; _talkChannel = -1; } } if (_sfxMode & 1) { if (isSfxFinished()) { _sfxMode &= ~1; } } } static int compareMP3OffsetTable(const void *a, const void *b) { return ((const MP3OffsetTable *)a)->org_offset - ((const MP3OffsetTable *)b)->org_offset; } int Sound::startTalkSound(uint32 offset, uint32 b, int mode) { int num = 0, i; int size; byte *sound; if (_sfxFile->isOpen() == false) { warning("startTalkSound: SFX file is not open"); return -1; } // FIXME hack until more is known // the size of the data after the sample isn't known // 64 is just a guess if (_scumm->_features & GF_HUMONGOUS) { // SKIP TLKB (8) TALK (8) HSHD (24) and SDAT (8) _sfxFile->seek(offset + 48, SEEK_SET); sound = (byte *)malloc(b - 64); _sfxFile->read(sound, b - 64); _scumm->_mixer->playRaw(NULL, sound, b - 64, 11025, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE); return -1; } // Some games frequently assume that starting one sound effect will // automatically stop any other that may be playing at that time. So // that is what we do here, but we make an exception for speech. // // Do any other games than these need this hack? // // HACK: Checking for script 99 in Sam & Max is to keep Conroy's song // from being interrupted. if (mode == 1 && (_scumm->_gameId == GID_TENTACLE || (_scumm->_gameId == GID_SAMNMAX && !_scumm->isScriptRunning(99)))) { for (i = 0; i < _scumm->_mixer->NUM_CHANNELS; i++) { if (i != _talkChannel) _scumm->_mixer->stop(i); } } if (b > 8) { num = (b - 8) >> 1; } if (offset_table != NULL) { MP3OffsetTable *result = NULL, key; key.org_offset = offset; result = (MP3OffsetTable *)bsearch(&key, offset_table, num_sound_effects, sizeof(MP3OffsetTable), compareMP3OffsetTable); if (result == NULL) { warning("startTalkSound: did not find sound at offset %d !", offset); return -1; } if (2 * num != result->num_tags) { warning("startTalkSound: number of tags do not match (%d - %d) !", b, result->num_tags); num = result->num_tags; } offset = result->new_offset; size = result->compressed_size; } else { offset += 8; size = -1; } _sfxFile->seek(offset, SEEK_SET); assert(num+1 < (int)ARRAYSIZE(_mouthSyncTimes)); for (i = 0; i < num; i++) _mouthSyncTimes[i] = _sfxFile->readUint16BE(); _mouthSyncTimes[i] = 0xFFFF; _sfxMode |= mode; _curSoundPos = 0; _mouthSyncMode = true; return startSfxSound(_sfxFile, size); } void Sound::stopTalkSound() { if (_sfxMode & 2) { if (_talkChannel != -1) { _scumm->_mixer->stop(_talkChannel); _talkChannel = -1; } _sfxMode &= ~2; } } bool Sound::isMouthSyncOff(uint pos) { uint j; bool val = true; uint16 *ms = _mouthSyncTimes; _endOfMouthSync = false; do { val = !val; j = *ms++; if (j == 0xFFFF) { _endOfMouthSync = true; break; } } while (pos > j); return val; } int Sound::isSoundRunning(int sound) const { int i; if (sound == _currentCDSound) return pollCD(); if (_scumm->_features & GF_HUMONGOUS) { if (sound == -2) { return isSfxFinished(); } else if (sound == -1) { // getSoundStatus(), with a -1, will return the // ID number of the first active music it finds. return _scumm->_imuse->getSoundStatus(sound); } } i = _soundQue2Pos; while (i--) { if (_soundQue2[i] == sound) return 1; } if (isSoundInQueue(sound)) return 1; if (!_scumm->isResourceLoaded(rtSound, sound)) return 0; if (_scumm->_imuseDigital) return _scumm->_imuseDigital->getSoundStatus(sound); if (_scumm->_imuse) return _scumm->_imuse->getSoundStatus(sound); if (_scumm->_playerV2) return _scumm->_playerV2->getSoundStatus(sound); return 0; } // This is exactly the same as isSoundRunning except that it // calls IMuse::get_sound_active() instead of IMuse::getSoundStatus(). // This is necessary when determining what resources to // expire from memory. bool Sound::isSoundActive(int sound) const { int i; if (sound == _currentCDSound) return pollCD() != 0; i = _soundQue2Pos; while (i--) { if (_soundQue2[i] == sound) return true; } if (isSoundInQueue(sound)) return true; if (!_scumm->isResourceLoaded(rtSound, sound)) return false; if (_scumm->_imuseDigital) { return _scumm->_imuseDigital->getSoundStatus(sound) != 0; } if (!_scumm->_imuse) return false; return _scumm->_imuse->get_sound_active(sound); } bool Sound::isSoundInQueue(int sound) const { int i = 0, j, num; int16 table[16]; while (i < _soundQuePos) { num = _soundQue[i++]; memset(table, 0, sizeof(table)); if (num > 0) { for (j = 0; j < num; j++) table[j] = _soundQue[i + j]; i += num; if (table[0] == 0x10F && table[1] == 8 && table[2] == sound) return 1; } } return 0; } void Sound::stopSound(int a) { int i; if (a != 0 && a == _currentCDSound) { _currentCDSound = 0; stopCD(); } if (_scumm->_gameId == GID_ZAK256) { _scumm->_mixer->stopID(a); } else if (_scumm->_imuseDigital) { _scumm->_imuseDigital->stopSound(a); } else if (_scumm->_imuse) { _scumm->_imuse->stopSound(a); } else if (_scumm->_playerV2) { _scumm->_playerV2->stopSound (a); } for (i = 0; i < 10; i++) if (_soundQue2[i] == a) _soundQue2[i] = 0; } void Sound::stopAllSounds() { if (_currentCDSound != 0) { _currentCDSound = 0; stopCD(); } if (_scumm->_imuse) { _scumm->_imuse->stop_all_sounds(); _scumm->_imuse->clear_queue(); } else if (_scumm->_playerV2) { _scumm->_playerV2->stopAllSounds(); } clearSoundQue(); stopSfxSound(); } void Sound::clearSoundQue() { _soundQue2Pos = 0; memset(_soundQue2, 0, sizeof(_soundQue2)); } void Sound::soundKludge(int *list, int num) { int i; if (list[0] == -1) { processSoundQues(); return; } if ((_soundQuePos + num) > 0x100) { warning("Sound que buffer overflow (%d + %d = %d)", _soundQuePos, num, _soundQuePos+num); return; } _soundQue[_soundQuePos++] = num; for (i = 0; i < num; i++) { _soundQue[_soundQuePos++] = list[i]; } } void Sound::talkSound(uint32 a, uint32 b, int mode, int frame) { if (mode == 1) { _talk_sound_a1 = a; _talk_sound_b1 = b; } else { _talk_sound_a2 = a; _talk_sound_b2 = b; } _talk_sound_frame = frame; _talk_sound_mode |= mode; } /* The sound code currently only supports General Midi. * General Midi is used in Day Of The Tentacle. * Roland music is also playable, but doesn't sound well. * A mapping between roland instruments and GM instruments * is needed. */ void Sound::setupSound() { if (_scumm->_imuse) { _scumm->_imuse->setBase(_scumm->res.address[rtSound]); _scumm->_imuse->set_master_volume(_sound_volume_master); _scumm->_imuse->set_music_volume(_sound_volume_music); } _scumm->_mixer->setVolume(_sound_volume_sfx * _sound_volume_master / 255); _scumm->_mixer->setMusicVolume(_sound_volume_music); delete _sfxFile; _sfxFile = openSfxFile(); } void Sound::pauseSounds(bool pause) { if (_scumm->_imuse) _scumm->_imuse->pause(pause); // Don't pause sounds if the game isn't active // FIXME - this is quite a nasty hack, replace with something cleaner, and w/o // having to access member vars directly! if (!_scumm->_roomResource) return; _soundsPaused = pause; _scumm->_mixer->pause(pause); _scumm->_sound->pauseBundleMusic(pause); if (_scumm->_imuseDigital) { _scumm->_imuseDigital->pause(pause); } if ((_scumm->_features & GF_AUDIOTRACKS) && _scumm->VAR(_scumm->VAR_MUSIC_TIMER) > 0) { if (pause) stopCDTimer(); else startCDTimer(); } } int Sound::startSfxSound(File *file, int file_size) { char ident[8]; int block_type; byte work[8]; uint size = 0; int rate, comp; byte *data; if (_scumm->_noDigitalSamples) return -1; if (file_size > 0) { int alloc_size = file_size; #ifdef USE_MAD if (!_vorbis_mode) alloc_size += MAD_BUFFER_GUARD; #endif data = (byte *)calloc(alloc_size, 1); if (file->read(data, file_size) != (uint)file_size) { /* no need to free the memory since error will shut down */ error("startSfxSound: cannot read %d bytes", size); return -1; } if (_vorbis_mode) return playSfxSound_Vorbis(data, file_size); else return playSfxSound_MP3(data, file_size); } if (file->read(ident, 8) != 8) goto invalid; if (!memcmp(ident, "VTLK", 4)) { file->seek(SOUND_HEADER_BIG_SIZE - 8, SEEK_CUR); } else if (!memcmp(ident, "Creative", 8)) { file->seek(SOUND_HEADER_SIZE - 8, SEEK_CUR); } else { invalid:; warning("startSfxSound: invalid header"); return -1; } block_type = file->readByte(); if (block_type != 1) { warning("startSfxSound: Expecting block_type == 1, got %d", block_type); return -1; } file->read(work, 3); size = (work[0] | (work[1] << 8) | (work[2] << 16)) - 2; rate = file->readByte(); comp = file->readByte(); if (comp != 0) { warning("startSfxSound: Unsupported compression type %d", comp); return -1; } data = (byte *)malloc(size); if (data == NULL) { error("startSfxSound: out of memory"); return -1; } if (file->read(data, size) != size) { /* no need to free the memory since error will shut down */ error("startSfxSound: cannot read %d bytes", size); return -1; } return playSfxSound(data, size, 1000000 / (256 - rate), true); } File *Sound::openSfxFile() { char buf[256]; File *file = new File(); /* Try opening the file <_exe_name>.sou first, eg tentacle.sou. * That way, you can keep .sou files for multiple games in the * same directory */ offset_table = NULL; #ifdef USE_MAD sprintf(buf, "%s.so3", _scumm->getExeName()); if (!file->open(buf, _scumm->getGameDataPath())) { file->open("monster.so3", _scumm->getGameDataPath()); } if (file->isOpen()) _vorbis_mode = false; #endif #ifdef USE_VORBIS if (!file->isOpen()) { sprintf(buf, "%s.sog", _scumm->getExeName()); if (!file->open(buf, _scumm->getGameDataPath())) file->open("monster.sog", _scumm->getGameDataPath()); if (file->isOpen()) _vorbis_mode = true; } #endif if (file->isOpen()) { /* Now load the 'offset' index in memory to be able to find the MP3 data The format of the .SO3 file is easy : - number of bytes of the 'index' part - N times the following fields (4 bytes each) : + offset in the original sound file + offset of the MP3 data in the .SO3 file WITHOUT taking into account the index field and the 'size' field + the number of 'tags' + the size of the MP3 data - and then N times : + the tags + the MP3 data */ int size, compressed_offset; MP3OffsetTable *cur; compressed_offset = file->readUint32BE(); offset_table = (MP3OffsetTable *) malloc(compressed_offset); num_sound_effects = compressed_offset / 16; size = compressed_offset; cur = offset_table; while (size > 0) { cur[0].org_offset = file->readUint32BE(); cur[0].new_offset = file->readUint32BE() + compressed_offset + 4; /* The + 4 is to take into accound the 'size' field */ cur[0].num_tags = file->readUint32BE(); cur[0].compressed_size = file->readUint32BE(); size -= 4 * 4; cur++; } return file; } sprintf(buf, "%s.sou", _scumm->getExeName()); if (!file->open(buf, _scumm->getGameDataPath())) { file->open("monster.sou", _scumm->getGameDataPath()); } if (!file->isOpen()) { sprintf(buf, "%s.tlk", _scumm->getExeName()); file->open(buf, _scumm->getGameDataPath(), 1, 0x69); } return file; } void Sound::stopSfxSound() { if (_scumm->_imuseDigital) { _scumm->_imuseDigital->stopAll(); } else { _scumm->_mixer->stopAll(); } } bool Sound::isSfxFinished() const { return !_scumm->_mixer->hasActiveSFXChannel(); } uint32 Sound::decode12BitsSample(byte *src, byte **dst, uint32 size, bool stereo) { uint32 s_size = (size / 3) * 4; uint32 loop_size = s_size / 4; if (stereo) { s_size *= 2; } byte *ptr = *dst = (byte *)malloc(s_size); uint32 tmp; while (loop_size--) { byte v1 = *src++; byte v2 = *src++; byte v3 = *src++; tmp = ((((v2 & 0x0f) << 8) | v1) << 4) - 0x8000; *ptr++ = (byte)((tmp >> 8) & 0xff); *ptr++ = (byte)(tmp & 0xff); if (stereo) { *ptr++ = (byte)((tmp >> 8) & 0xff); *ptr++ = (byte)(tmp & 0xff); } tmp = ((((v2 & 0xf0) << 4) | v3) << 4) - 0x8000; *ptr++ = (byte)((tmp >> 8) & 0xff); *ptr++ = (byte)(tmp & 0xff); if (stereo) { *ptr++ = (byte)((tmp >> 8) & 0xff); *ptr++ = (byte)(tmp & 0xff); } } return s_size; } static void music_handler (void *engine) { g_scumm->_sound->bundleMusicHandler(g_scumm); } void Sound::playBundleMusic(const char *song) { if (_scumm->_silentDigitalImuse) { return; } if (_nameBundleMusic[0] == 0) { _outputMixerSize = 66150; // ((22050 * 2 * 2) / 4) * 3 if (_scumm->_gameId == GID_CMI) { char bunfile[20]; sprintf(bunfile, "musdisk%d.bun", _scumm->VAR(_scumm->VAR_CURRENTDISK)); if (_musicDisk != _scumm->VAR(_scumm->VAR_CURRENTDISK)) _bundle->closeMusicFile(); if (_bundle->openMusicFile(bunfile, _scumm->getGameDataPath()) == false) { if (_bundle->openMusicFile("music.bun", _scumm->getGameDataPath()) == false) { _outputMixerSize = 0; return; } } _musicDisk = (byte)_scumm->VAR(_scumm->VAR_CURRENTDISK); _outputMixerSize = 88140; // ((22050 * 2 * 2) } else { if (_bundle->openMusicFile("digmusic.bun", _scumm->getGameDataPath()) == false) return; } _musicBundleBufFinal = (byte *)malloc(_outputMixerSize); _musicBundleBufOutput = (byte *)malloc(((_outputMixerSize / 0x2000) + 1) * _outputMixerSize); _currentSampleBundleMusic = 0; _offsetSampleBundleMusic = 0; _offsetBufBundleMusic = 0; _bundleMusicPosition = 0; _pauseBundleMusic = false; _musicBundleToBeRemoved = false; _musicBundleToBeChanged = false; _bundleMusicTrack = -1; _numberSamplesBundleMusic = _bundle->getNumberOfMusicSamplesByName(song); _nameBundleMusic = song; _scumm->_timer->installProcedure(&music_handler, 1000000); return; } if (strcmp(_nameBundleMusic, song) != 0) { _newNameBundleMusic = song; _musicBundleToBeRemoved = false; _musicBundleToBeChanged = true; } } void Sound::pauseBundleMusic(bool state) { _pauseBundleMusic = state; } void Sound::stopBundleMusic() { _musicBundleToBeRemoved = true; } void Sound::bundleMusicHandler(Scumm *scumm) { byte *ptr; int32 l, num = _numberSamplesBundleMusic, length, k; int32 rate = 22050; int32 tag, size = -1, header_size = 0; if (_pauseBundleMusic) return; if (_musicBundleToBeRemoved) { _scumm->_timer->releaseProcedure(&music_handler); _nameBundleMusic = ""; if (_bundleMusicTrack != -1) { _scumm->_mixer->stop(_bundleMusicTrack); _bundleMusicTrack = -1; } if (_musicBundleBufFinal) { free(_musicBundleBufFinal); _musicBundleBufFinal = NULL; } if (_musicBundleBufOutput) { free(_musicBundleBufOutput); _musicBundleBufOutput = NULL; } return; } if (_musicBundleToBeChanged) { _nameBundleMusic = _newNameBundleMusic; _numberSamplesBundleMusic = _bundle->getNumberOfMusicSamplesByName(_nameBundleMusic); _currentSampleBundleMusic = 0; _offsetSampleBundleMusic = 0; _offsetBufBundleMusic = 0; _musicBundleToBeChanged = false; _bundleMusicPosition = 0; } ptr = _musicBundleBufOutput; for (k = 0, l = _currentSampleBundleMusic; l < num; k++) { length = _bundle->decompressMusicSampleByName(_nameBundleMusic, l, (_musicBundleBufOutput + ((k * 0x2000) + _offsetBufBundleMusic))); _offsetSampleBundleMusic += length; if (l == 0) { tag = READ_BE_UINT32(ptr); ptr += 4; if (tag != MKID_BE('iMUS')) { warning("Decompression of bundle song failed"); _musicBundleToBeRemoved = true; return; } ptr += 12; while (tag != MKID_BE('DATA')) { tag = READ_BE_UINT32(ptr); ptr += 4; switch(tag) { case MKID_BE('FRMT'): ptr += 12; _bundleMusicSampleBits = READ_BE_UINT32(ptr); ptr += 4; rate = READ_BE_UINT32(ptr); ptr += 4; _bundleSampleChannels = READ_BE_UINT32(ptr); ptr += 4; break; case MKID_BE('TEXT'): case MKID_BE('REGN'): case MKID_BE('STOP'): case MKID_BE('JUMP'): case MKID_BE('SYNC'): size = READ_BE_UINT32(ptr); ptr += size + 4; break; case MKID_BE('DATA'): size = READ_BE_UINT32(ptr); ptr += 4; break; default: error("Unknown sound header %c%c%c%c", (byte)(tag >> 24), (byte)(tag >> 16), (byte)(tag >> 8), (byte)tag); } } if (size < 0) { warning("Decompression sound failed (no size field)"); _musicBundleToBeRemoved = true; return; } header_size = (ptr - _musicBundleBufOutput); } l++; _currentSampleBundleMusic = l; if (_offsetSampleBundleMusic >= _outputMixerSize + header_size) { memcpy(_musicBundleBufFinal, (_musicBundleBufOutput + header_size), _outputMixerSize); _offsetBufBundleMusic = _offsetSampleBundleMusic - _outputMixerSize - header_size; memcpy(_musicBundleBufOutput, (_musicBundleBufOutput + (_outputMixerSize + header_size)), _offsetBufBundleMusic); _offsetSampleBundleMusic = _offsetBufBundleMusic; break; } } if (_currentSampleBundleMusic == num) { _currentSampleBundleMusic = 0; _offsetSampleBundleMusic = 0; _offsetBufBundleMusic = 0; _bundleMusicPosition = 0; } ptr = _musicBundleBufFinal; byte *buffer = NULL; uint32 final_size; if (_bundleMusicSampleBits == 12) { final_size = decode12BitsSample(ptr, &buffer, _outputMixerSize, false); } else if (_bundleMusicSampleBits == 16) { buffer = (byte *)malloc(_outputMixerSize); final_size = _outputMixerSize; memcpy(buffer, ptr, _outputMixerSize); } else { warning("Sound::bundleMusicHandler TODO: more newStream options..."); return; } _bundleMusicPosition += final_size; if (_bundleMusicTrack == -1) { _bundleMusicTrack = _scumm->_mixer->newStream(buffer, final_size, rate, SoundMixer::FLAG_16BITS | SoundMixer::FLAG_STEREO, 300000); } else { _scumm->_mixer->appendStream(_bundleMusicTrack, buffer, final_size); } free(buffer); } int Sound::playBundleSound(char *sound) { byte *ptr = 0, *orig_ptr; byte *final; bool result; if (_scumm->_noDigitalSamples) return -1; if (_scumm->_gameId == GID_CMI) { char voxfile[20]; sprintf(voxfile, "voxdisk%d.bun", _scumm->VAR(_scumm->VAR_CURRENTDISK)); if (_voiceDisk != _scumm->VAR(_scumm->VAR_CURRENTDISK)) _bundle->closeVoiceFile(); result = _bundle->openVoiceFile(voxfile, _scumm->getGameDataPath()); if (result == false) result = _bundle->openVoiceFile("voice.bun", _scumm->getGameDataPath()); _voiceDisk = (byte)_scumm->VAR(_scumm->VAR_CURRENTDISK); } else if (_scumm->_gameId == GID_DIG) result = _bundle->openVoiceFile("digvoice.bun", _scumm->getGameDataPath()); else error("Don't know which bundle file to load"); if (!result) { return -1; } int32 rate = 22050, channels, output_size = 0; int32 tag, size = -1, bits = 0; if (_scumm->_gameId == GID_CMI) { char name[20]; strcpy(name, sound); if (_scumm->_maxRooms != 6) // CMI demo does not have .IMX for voice but does for music... strcat(name, ".IMX"); output_size = _bundle->decompressVoiceSampleByName(name, &ptr); } else { output_size = _bundle->decompressVoiceSampleByName(sound, &ptr); } orig_ptr = ptr; if (output_size == 0 || orig_ptr == 0) { goto bail; } tag = READ_BE_UINT32(ptr); ptr += 4; if (tag != MKID_BE('iMUS')) { warning("Decompression of bundle sound failed"); goto bail; } ptr += 12; while (tag != MKID_BE('DATA')) { tag = READ_BE_UINT32(ptr); ptr += 4; switch(tag) { case MKID_BE('FRMT'): ptr += 12; bits = READ_BE_UINT32(ptr); ptr += 4; rate = READ_BE_UINT32(ptr); ptr += 4; channels = READ_BE_UINT32(ptr); ptr += 4; break; case MKID_BE('TEXT'): case MKID_BE('REGN'): case MKID_BE('STOP'): case MKID_BE('JUMP'): case MKID_BE('SYNC'): size = READ_BE_UINT32(ptr); ptr += size + 4; break; case MKID_BE('DATA'): size = READ_BE_UINT32(ptr); ptr += 4; break; default: error("Unknown sound header %c%c%c%c", (byte)(tag >> 24), (byte)(tag >> 16), (byte)(tag >> 8), (byte)tag); } } if (size < 0) { warning("Decompression sound failed (no size field)"); goto bail; } final = (byte *)malloc(size); memcpy(final, ptr, size); free(orig_ptr); if (_scumm->_actorToPrintStrFor != 0xFF && _scumm->_actorToPrintStrFor != 0) { Actor *a = _scumm->derefActor(_scumm->_actorToPrintStrFor, "playBundleSound"); rate = (rate * a->talkFrequency) / 256; } if (bits == 8) { return _scumm->_mixer->playRaw(NULL, final, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE); } else if (bits == 16){ return _scumm->_mixer->playRaw(NULL, final, size, rate, SoundMixer::FLAG_16BITS | SoundMixer::FLAG_AUTOFREE); } else { warning("Sound::playBundleSound() to do more options to playRaw..."); return -1; } bail: if (orig_ptr) free(orig_ptr); return -1; } int Sound::playSfxSound(void *sound, uint32 size, uint rate, bool isUnsigned) { if (_soundsPaused) return -1; byte flags = SoundMixer::FLAG_AUTOFREE; if (isUnsigned) flags |= SoundMixer::FLAG_UNSIGNED; return _scumm->_mixer->playRaw(NULL, sound, size, rate, flags); } int Sound::playSfxSound_MP3(void *sound, uint32 size) { #ifdef USE_MAD if (_soundsPaused || _scumm->_noDigitalSamples) return -1; return _scumm->_mixer->playMP3(NULL, sound, size, SoundMixer::FLAG_AUTOFREE); #endif return -1; } #ifdef USE_VORBIS // Provide a virtual file to vorbisfile based on preloaded data struct data_file_info { char *data; uint32 size; int curr_pos; }; static size_t read_data(void *ptr, size_t size, size_t nmemb, void *datasource) { data_file_info *f = (data_file_info *) datasource; nmemb *= size; if (f->curr_pos < 0) return (size_t) -1; if (f->curr_pos > (int) f->size) nmemb = 0; else if (f->curr_pos + nmemb > f->size) nmemb = f->size - f->curr_pos; memcpy(ptr, f->data + f->curr_pos, nmemb); f->curr_pos += nmemb; return nmemb / size; } static int seek_data(void *datasource, ogg_int64_t offset, int whence) { data_file_info *f = (data_file_info *) datasource; switch (whence) { case SEEK_SET: f->curr_pos = offset; break; case SEEK_CUR: f->curr_pos += offset; break; case SEEK_END: f->curr_pos = f->size + offset; break; default: return -1; } return f->curr_pos; } static int close_data(void *datasource) { data_file_info *f = (data_file_info *) datasource; free(f->data); delete f; return 0; } static long tell_data(void *datasource) { data_file_info *f = (data_file_info *) datasource; return f->curr_pos; } static ov_callbacks data_wrap = { read_data, seek_data, close_data, tell_data }; #endif int Sound::playSfxSound_Vorbis(void *sound, uint32 size) { #ifdef USE_VORBIS if (_soundsPaused || _scumm->_noDigitalSamples) return -1; OggVorbis_File *ov_file = new OggVorbis_File; data_file_info *f = new data_file_info; f->data = (char *) sound; f->size = size; f->curr_pos = 0; if (ov_open_callbacks((void *) f, ov_file, NULL, 0, data_wrap) < 0) { warning("Invalid file format"); delete ov_file; delete f; return -1; } return _scumm->_mixer->playVorbis(NULL, ov_file, 0, false); #endif return -1; } // We use a real timer in an attempt to get better sync with CD tracks. This is // necessary for games like Loom CD. static void cd_timer_handler(void *ptr) { Scumm *scumm = (Scumm *) ptr; // FIXME: Turn off the timer when it's no longer needed. In theory, it // should be possible to check with pollCD(), but since CD sound isn't // properly restarted when reloading a saved game, I don't dare to. scumm->VAR(scumm->VAR_MUSIC_TIMER) += 6; } void Sound::startCDTimer() { int timer_interval; // The timer interval has been tuned for Loom CD and the Monkey 1 // intro. I have to use 100 for Loom, or there will be a nasty stutter // when Chaos first appears, and I have to use 101 for Monkey 1 or the // intro music will be cut short. if (_scumm->_gameId == GID_LOOM256) timer_interval = 100; else timer_interval = 101; _scumm->_timer->releaseProcedure(&cd_timer_handler); _scumm->_timer->installProcedure(&cd_timer_handler, 1000 * timer_interval); } void Sound::stopCDTimer() { _scumm->_timer->releaseProcedure(&cd_timer_handler); } void Sound::playCDTrack(int track, int numLoops, int startFrame, int endFrame) { if (playMP3CDTrack(track, numLoops, startFrame, endFrame) == -1) _scumm->_system->play_cdrom(track, numLoops, startFrame, endFrame); // Start the timer after starting the track. Starting an MP3 track is // almost instantaneous, but a CD player may take some time. Hopefully // play_cdrom() will block during that delay. startCDTimer(); } void Sound::stopCD() { stopCDTimer(); if (stopMP3CD() == -1) _scumm->_system->stop_cdrom(); } int Sound::pollCD() const { if (pollMP3CD()) return 1; return _scumm->_system->poll_cdrom(); } void Sound::updateCD() { if (updateMP3CD() == -1) _scumm->_system->update_cdrom(); } int Sound::getCachedTrack(int track) { int i; #if defined(USE_MAD) || defined(USE_VORBIS) char track_name[1024]; File *file = new File(); #endif int current_index; // See if we find the track in the cache for (i = 0; i < CACHE_TRACKS; i++) if (_cached_tracks[i] == track) { if (_track_info[i]) return i; else return -1; } current_index = _current_cache++; _current_cache %= CACHE_TRACKS; // Not found, see if it exists // First, delete the previous track info object delete _track_info[current_index]; _track_info[current_index] = NULL; _cached_tracks[current_index] = track; #ifdef USE_MAD sprintf(track_name, "track%d.mp3", track); file->open(track_name, _scumm->getGameDataPath()); if (file->isOpen()) { _track_info[current_index] = new MP3TrackInfo(file); if (_track_info[current_index]->error()) { delete _track_info[current_index]; _track_info[current_index] = NULL; return -1; } return current_index; } #endif #ifdef USE_VORBIS sprintf(track_name, "track%d.ogg", track); file->open(track_name, _scumm->getGameDataPath()); if (file->isOpen()) { _track_info[current_index] = new VorbisTrackInfo(file); if (_track_info[current_index]->error()) { delete _track_info[current_index]; _track_info[current_index] = NULL; return -1; } return current_index; } #endif debug(2, "Track %d not available in compressed format", track); return -1; } int Sound::playMP3CDTrack(int track, int numLoops, int startFrame, int endFrame) { int index; _scumm->VAR(_scumm->VAR_MUSIC_TIMER) = 0; if (_soundsPaused) return 0; if ((numLoops == 0) && (startFrame == 0)) { return 0; } index = getCachedTrack(track); if (index < 0) return -1; if (_dig_cd_playing) _scumm->_mixer->stop(_dig_cd_index); _dig_cd_index = _track_info[index]->play(_scumm->_mixer, startFrame, endFrame); _dig_cd_playing = true; _dig_cd_track = track; _dig_cd_num_loops = numLoops; _dig_cd_start = startFrame; _dig_cd_end = endFrame; return 0; } int Sound::stopMP3CD() { if (_dig_cd_playing) { _scumm->_mixer->stop(_dig_cd_index); _dig_cd_playing = false; _dig_cd_track = 0; _dig_cd_num_loops = 0; _dig_cd_start = 0; _dig_cd_end = 0; return 0; } return -1; } int Sound::pollMP3CD() const { if (_dig_cd_playing) return 1; return 0; } int Sound::updateMP3CD() { if (_dig_cd_playing == false) return -1; if (_scumm->_mixer->_channels[_dig_cd_index] == NULL) { warning("Error in MP3 decoding"); return -1; } if (!_scumm->_mixer->isActiveChannel(_dig_cd_index)) { if (_dig_cd_num_loops == -1 || --_dig_cd_num_loops > 0) playMP3CDTrack(_dig_cd_track, _dig_cd_num_loops, _dig_cd_start, _dig_cd_end); else stopMP3CD(); } return 0; } #ifdef USE_MAD MP3TrackInfo::MP3TrackInfo(File *file) { struct mad_stream stream; struct mad_frame frame; unsigned char buffer[8192]; unsigned int buflen = 0; int count = 0; // Check the format and bitrate mad_stream_init(&stream); mad_frame_init(&frame); while (1) { if (buflen < sizeof(buffer)) { int bytes; bytes = file->read(buffer + buflen, sizeof(buffer) - buflen); if (bytes <= 0) { if (bytes == -1) { warning("Invalid file format"); goto error; } break; } buflen += bytes; } mad_stream_buffer(&stream, buffer, buflen); while (1) { if (mad_frame_decode(&frame, &stream) == -1) { if (!MAD_RECOVERABLE(stream.error)) break; if (stream.error != MAD_ERROR_BADCRC) continue; } if (count++) break; } if (count || stream.error != MAD_ERROR_BUFLEN) break; memmove(buffer, stream.next_frame, buflen = &buffer[buflen] - stream.next_frame); } if (count) memcpy(&_mad_header, &frame.header, sizeof(mad_header)); else { warning("Invalid file format"); goto error; } mad_frame_finish(&frame); mad_stream_finish(&stream); // Get file size _size = file->size(); _file = file; _error_flag = false; return; error: mad_frame_finish(&frame); mad_stream_finish(&stream); _error_flag = true; delete file; } int MP3TrackInfo::play(SoundMixer *mixer, int startFrame, int endFrame) { unsigned int offset; mad_timer_t duration; // Calc offset. As all bitrates are in kilobit per seconds, the division by 200 is always exact offset = (startFrame * (_mad_header.bitrate / (8 * 25))) / 3; // Calc delay if (!endFrame) { mad_timer_set(&duration, (_size * 8) / _mad_header.bitrate, (_size * 8) % _mad_header.bitrate, _mad_header.bitrate); } else { mad_timer_set(&duration, endFrame / 75, endFrame % 75, 75); } // Go _file->seek(offset, SEEK_SET); return mixer->playMP3CDTrack(NULL, _file, duration); } MP3TrackInfo::~MP3TrackInfo() { if (! _error_flag) _file->close(); } #endif #ifdef USE_VORBIS // These are wrapper functions to allow using a File object to // provide data to the OggVorbis_File object. struct file_info { File *file; int start, curr_pos; size_t len; }; static size_t read_wrap(void *ptr, size_t size, size_t nmemb, void *datasource) { file_info *f = (file_info *) datasource; int result; nmemb *= size; if (f->curr_pos > (int) f->len) nmemb = 0; else if (nmemb > f->len - f->curr_pos) nmemb = f->len - f->curr_pos; result = f->file->read(ptr, nmemb); if (result == -1) { f->curr_pos = f->file->pos() - f->start; return (size_t) -1; } else { f->curr_pos += result; return result / size; } } static int seek_wrap(void *datasource, ogg_int64_t offset, int whence) { file_info *f = (file_info *) datasource; if (whence == SEEK_SET) offset += f->start; else if (whence == SEEK_END) { offset += f->start + f->len; whence = SEEK_SET; } f->file->seek(offset, whence); f->curr_pos = f->file->pos() - f->start; return f->curr_pos; } static int close_wrap(void *datasource) { file_info *f = (file_info *) datasource; f->file->close(); delete f; return 0; } static long tell_wrap(void *datasource) { file_info *f = (file_info *) datasource; return f->file->pos(); } static ov_callbacks File_wrap = { read_wrap, seek_wrap, close_wrap, tell_wrap }; VorbisTrackInfo::VorbisTrackInfo(File *file) { file_info *f = new file_info; f->file = file; f->start = 0; f->len = file->size(); f->curr_pos = file->pos(); if (ov_open_callbacks((void *) f, &_ov_file, NULL, 0, File_wrap) < 0) { warning("Invalid file format"); _error_flag = true; delete f; delete file; } else { _error_flag = false; _file = file; // Check the file format if (ov_info(&_ov_file, -1)->rate != 22050) warning("Vorbis code currently only supports files encoded at 22050 Hz"); } } #ifdef CHUNKSIZE #define VORBIS_TREMOR #endif int VorbisTrackInfo::play(SoundMixer *mixer, int startFrame, int endFrame) { #ifdef VORBIS_TREMOR ov_time_seek(&_ov_file, (ogg_int64_t)(startFrame / 75.0 * 1000)); #else ov_time_seek(&_ov_file, startFrame / 75.0); #endif return mixer->playVorbis(NULL, &_ov_file, endFrame * ov_info(&_ov_file, -1)->rate / 75, true); } VorbisTrackInfo::~VorbisTrackInfo() { if (! _error_flag) { ov_clear(&_ov_file); delete _file; } } #endif