REminiscence/seq_player.h

93 lines
2.0 KiB
C

/* REminiscence - Flashback interpreter
* Copyright (C) 2005-2015 Gregory Montoir
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef SEQ_PLAYER_H__
#define SEQ_PLAYER_H__
#include "intern.h"
struct File;
struct SystemStub;
struct Mixer;
struct SeqDemuxer {
enum {
kFrameSize = 6144,
kAudioBufferSize = 882,
kBuffersCount = 30
};
bool open(File *f);
void close();
bool readHeader();
bool readFrameData();
void fillBuffer(int num, int offset, int size);
void clearBuffer(int num);
void readPalette(uint8_t *dst);
void readAudioS8(uint8_t *dst);
int _frameOffset;
int _audioDataOffset;
int _audioDataSize;
int _paletteDataOffset;
int _paletteDataSize;
int _videoData;
struct {
int size;
int avail;
uint8_t *data;
} _buffers[kBuffersCount];
int _fileSize;
File *_f;
};
struct SeqPlayer {
enum {
kVideoWidth = 256,
kVideoHeight = 128,
kSoundPreloadSize = 4
};
static const char *_namesTable[];
struct SoundBufferQueue {
uint8_t *data;
int size;
int read;
SoundBufferQueue *next;
};
SeqPlayer(SystemStub *stub, Mixer *mixer);
~SeqPlayer();
void setBackBuffer(uint8_t *buf) { _buf = buf; }
void play(File *f);
bool mix(int8_t *buf, int len);
static bool mixCallback(void *param, int8_t *buf, int len);
SystemStub *_stub;
uint8_t *_buf;
Mixer *_mix;
SeqDemuxer _demux;
int _soundQueuePreloadSize;
SoundBufferQueue *_soundQueue;
};
#endif // SEQ_PLAYER_H__