scummvm/engines/grim/movie/mpeg.cpp

167 lines
3.9 KiB
C++

/* Residual - A 3D game interpreter
*
* Residual is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*
*/
#define FORBIDDEN_SYMBOL_EXCEPTION_printf
#define FORBIDDEN_SYMBOL_EXCEPTION_chdir
#define FORBIDDEN_SYMBOL_EXCEPTION_getcwd
#define FORBIDDEN_SYMBOL_EXCEPTION_getwd
#define FORBIDDEN_SYMBOL_EXCEPTION_mkdir
#define FORBIDDEN_SYMBOL_EXCEPTION_unlink
#include "common/endian.h"
#include "common/timer.h"
#include "common/file.h"
#include "common/events.h"
#include "common/system.h"
#include "common/textconsole.h"
#include "audio/audiostream.h"
#include "audio/mixer.h"
#include "audio/decoders/raw.h"
#include "engines/grim/movie/mpeg.h"
#include "engines/grim/debug.h"
#include "engines/grim/grim.h"
#define MWIDTH 640
#define MHEIGHT 400
#ifdef USE_MPEG2
namespace Grim {
MoviePlayer *CreateMpegPlayer() {
return new MpegPlayer();
}
class MpegHandler : public Video::BaseAnimationState {
public:
MpegHandler(MpegPlayer *vid, OSystem *sys, int width, int height) : BaseAnimationState(sys, width, height) {
_mpeg = vid;
}
protected:
MpegPlayer *_mpeg;
virtual void drawYUV(int width, int height, byte *const *dat) {
plotYUV(MWIDTH, MHEIGHT, dat);
_mpeg->deliverFrameFromDecode(width, height, _overlay);
}
};
void MpegPlayer::timerCallback(void *) {
((MpegPlayer*)g_movie)->handleFrame();
}
MpegPlayer::MpegPlayer() : MoviePlayer() {
g_movie = this;
_speed = 50;
_videoBase = new MpegHandler(this, g_system, MWIDTH, MHEIGHT);
}
MpegPlayer::~MpegPlayer() {
deinit();
}
void MpegPlayer::init() {
_frame = 0;
_movieTime = 0;
_videoPause = false;
_updateNeeded = false;
_width = MWIDTH;
_height = MHEIGHT;
assert(!_externalBuffer);
_externalBuffer = new byte[_width * _height * 2];
warning("Trying to play %s",_fname.c_str());
_videoBase->init(_fname.c_str());
g_system->getTimerManager()->installTimerProc(&timerCallback, _speed, NULL);
}
void MpegPlayer::deinit() {
g_system->getTimerManager()->removeTimerProc(&timerCallback);
if (_externalBuffer) {
delete[] _externalBuffer;
_externalBuffer = NULL;
}
if (_videoLooping && _startPos) {
delete[] _startPos->tmpBuf;
delete[] _startPos;
_startPos = NULL;
}
if (_stream) {
_stream->finish();
_stream = NULL;
g_system->getMixer()->stopHandle(_soundHandle);
}
_videoLooping = false;
_videoPause = true;
}
void MpegPlayer::handleFrame() {
if (_videoPause)
return;
if (!_videoBase->decodeFrame()) {
_videoFinished = true;
g_grim->setMode(ENGINE_MODE_NORMAL);
return;
}
//else
//bas->updateScreen();
}
void MpegPlayer::deliverFrameFromDecode(int width, int height, uint16 *dat) {
memcpy(_externalBuffer, dat, _width * _height * 2);
_frame++;
_updateNeeded = true;
}
void MpegPlayer::stop() {
deinit();
g_grim->setMode(ENGINE_MODE_NORMAL);
}
bool MpegPlayer::play(const char *filename, bool looping, int x, int y) {
deinit();
_fname = filename;
if (gDebugLevel == DEBUG_SMUSH)
printf("Playing video '%s'.\n", filename);
init();
return true;
}
void MpegPlayer::saveState(SaveGame *state) {
}
void MpegPlayer::restoreState(SaveGame *state) {
}
} // end of namespace Grim
#endif // USE_MPEG2