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/* ScummVM - Scumm Interpreter
* Copyright (C) 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 "common/file.h"
#include "common/util.h"
#include "queen/input.h"
#include "queen/resource.h"
#include "queen/sound.h"
#define SB_HEADER_SIZE 110
#define STOP_MUSIC -1
namespace Queen {
#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->curr_pos;
}
static ov_callbacks g_File_wrap = {
read_wrap, seek_wrap, close_wrap, tell_wrap
};
#endif
Sound::Sound(SoundMixer *mixer, Input *input, Resource *resource) :
_mixer(mixer), _input(input), _resource(resource), _sfxToggle(true), _speechToggle(true), _musicToggle(true), _lastOverride(0), _currentSong(0), _sfxHandle(0) {
}
Sound::~Sound() {
}
Sound *Sound::giveSound(SoundMixer *mixer, Input *input, Resource *resource, uint8 compression) {
switch(compression) {
case COMPRESSION_NONE:
return new SBSound(mixer, input, resource);
break;
case COMPRESSION_MP3:
#ifndef USE_MAD
warning("Using MP3 compressed datafile, but MP3 support not compiled in");
return new SilentSound(mixer, input, resource);
#else
return new MP3Sound(mixer, input, resource);
#endif
break;
case COMPRESSION_OGG:
#ifndef USE_VORBIS
warning("Using OGG compressed datafile, but OGG support not compiled in");
return new SilentSound(mixer, input, resource);
#else
return new OGGSound(mixer, input, resource);
#endif
break;
default:
warning("Unknown compression type");
return new SilentSound(mixer, input, resource);
}
}
void Sound::waitSfxFinished() {
while(_sfxHandle != 0)
_input->delay(10);
}
void Sound::playSong(int16 songNum) {
int16 newTune = _song[songNum - 1].tuneList[0];
if (_tune[newTune - 1].sfx[0] && sfxOn())
sfxPlay(_sfxName[_tune[newTune - 1].sfx[0] - 1]);
}
int SBSound::playSound(byte *sound, uint32 size) {
byte flags = 0 | SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE;
return _mixer->playRaw(&_sfxHandle, sound, size, 11025, flags);
}
void SBSound::sfxPlay(const char *base) {
char name[13];
strcpy(name, base);
//alter filename to add zeros and append ".SB"
for (int i = 0; i < 8; i++) {
if (name[i] == ' ')
name[i] = '0';
}
strcat(name, ".SB");
waitSfxFinished();
if (_resource->exists(name))
playSound(_resource->loadFileMalloc(name, SB_HEADER_SIZE), _resource->fileSize(name) - SB_HEADER_SIZE);
}
#ifdef USE_MAD
void MP3Sound::sfxPlay(const char *base) {
char name[13];
strcpy(name, base);
//alter filename to add zeros and append ".SB"
for (int i = 0; i < 8; i++) {
if (name[i] == ' ')
name[i] = '0';
}
strcat(name, ".SB");
waitSfxFinished();
if (_resource->exists(name))
_mixer->playMP3(&_sfxHandle, _resource->giveCompressedSound(name), _resource->fileSize(name));
}
#endif
#ifdef USE_VORBIS
void OGGSound::sfxPlay(const char *base) {
char name[13];
strcpy(name, base);
//alter filename to add zeros and append ".SB"
for (int i = 0; i < 8; i++) {
if (name[i] == ' ')
name[i] = '0';
}
strcat(name, ".SB");
waitSfxFinished();
if (_resource->exists(name)) {
OggVorbis_File *oggFile = new OggVorbis_File;
file_info *f = new file_info;
f->file = _resource->giveCompressedSound(name);
f->start = _resource->fileOffset(name);
f->len = _resource->fileSize(name);
f->curr_pos = 0;
if (ov_open_callbacks((void *)f, oggFile, NULL, 0, g_File_wrap) < 0) {
delete oggFile;
delete f;
} else
_mixer->playVorbis(&_sfxHandle, oggFile, 0, false);
}
}
#endif
} //End of namespace Queen
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