scummvm/engines/sword25/fmv/movieplayer.cpp
2011-05-18 10:05:14 -04:00

226 lines
5.7 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on Broken Sword 2.5 engine
*
* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
*
* Licensed under GNU GPL v2
*
*/
#include "common/debug.h"
#include "common/system.h"
#include "common/textconsole.h"
#include "common/util.h"
#include "sword25/sword25.h" // for kDebugScript
#include "sword25/fmv/movieplayer.h"
#include "sword25/gfx/graphicengine.h"
#include "sword25/gfx/panel.h"
#include "sword25/kernel/kernel.h"
#include "sword25/package/packagemanager.h"
namespace Sword25 {
#define FLT_EPSILON 1.192092896e-07F /* smallest such that 1.0+FLT_EPSILON != 1.0 */
#ifdef USE_THEORADEC
MoviePlayer::MoviePlayer(Kernel *pKernel) : Service(pKernel), _decoder() {
if (!registerScriptBindings())
error("Script bindings could not be registered.");
else
debugC(kDebugScript, "Script bindings registered.");
}
MoviePlayer::~MoviePlayer() {
_decoder.close();
}
bool MoviePlayer::loadMovie(const Common::String &filename, uint z) {
// Get the file and load it into the decoder
Common::SeekableReadStream *in = Kernel::getInstance()->getPackage()->getStream(filename);
_decoder.loadStream(in);
GraphicEngine *pGfx = Kernel::getInstance()->getGfx();
#ifdef THEORA_INDIRECT_RENDERING
_outputBitmap = pGfx->getMainPanel()->addDynamicBitmap(_decoder.getWidth(), _decoder.getHeight());
if (!_outputBitmap.isValid()) {
error("Output bitmap for movie playback could not be created.");
return false;
}
// Compute the scaling of the output bitmap, so that it takes up the most space
float screenToVideoWidth = (float)pGfx->getDisplayWidth() / (float)_outputBitmap->getWidth();
float screenToVideoHeight = (float)pGfx->getDisplayHeight() / (float)_outputBitmap->getHeight();
float scaleFactor = MIN(screenToVideoWidth, screenToVideoHeight);
if (abs((int)(scaleFactor - 1.0f)) < FLT_EPSILON)
scaleFactor = 1.0f;
_outputBitmap->setScaleFactor(scaleFactor);
_outputBitmap->setZ(z);
// Center bitmap on screen
_outputBitmap->setX((pGfx->getDisplayWidth() - _outputBitmap->getWidth()) / 2);
_outputBitmap->setY((pGfx->getDisplayHeight() - _outputBitmap->getHeight()) / 2);
#else
_backSurface = pGfx->getSurface();
_outX = (pGfx->getDisplayWidth() - _decoder.getWidth()) / 2;
_outY = (pGfx->getDisplayHeight() - _decoder.getHeight()) / 2;
if (_outX < 0)
_outX = 0;
if (_outY < 0)
_outY = 0;
#endif
return true;
}
bool MoviePlayer::unloadMovie() {
_decoder.close();
_outputBitmap.erase();
return true;
}
bool MoviePlayer::play() {
_decoder.pauseVideo(false);
return true;
}
bool MoviePlayer::pause() {
_decoder.pauseVideo(true);
return true;
}
void MoviePlayer::update() {
if (_decoder.isVideoLoaded()) {
if (_decoder.endOfVideo()) {
// Movie complete, so unload the movie
unloadMovie();
} else {
const Graphics::Surface *s = _decoder.decodeNextFrame();
if (s) {
// Transfer the next frame
assert(s->format.bytesPerPixel == 4);
#ifdef THEORA_INDIRECT_RENDERING
byte *frameData = (byte *)s->getBasePtr(0, 0);
_outputBitmap->setContent(frameData, s->pitch * s->h, 0, s->pitch);
#else
g_system->copyRectToScreen((byte *)s->getBasePtr(0, 0), s->pitch, _outX, _outY, MIN(s->w, _backSurface->w), MIN(s->h, _backSurface->h));
g_system->updateScreen();
#endif
}
}
}
}
bool MoviePlayer::isMovieLoaded() {
return _decoder.isVideoLoaded();
}
bool MoviePlayer::isPaused() {
return _decoder.isPaused();
}
float MoviePlayer::getScaleFactor() {
if (_decoder.isVideoLoaded())
return _outputBitmap->getScaleFactorX();
else
return 0;
}
void MoviePlayer::setScaleFactor(float scaleFactor) {
if (_decoder.isVideoLoaded()) {
_outputBitmap->setScaleFactor(scaleFactor);
// Ausgabebitmap auf dem Bildschirm zentrieren
GraphicEngine *gfxPtr = Kernel::getInstance()->getGfx();
_outputBitmap->setX((gfxPtr->getDisplayWidth() - _outputBitmap->getWidth()) / 2);
_outputBitmap->setY((gfxPtr->getDisplayHeight() - _outputBitmap->getHeight()) / 2);
}
}
double MoviePlayer::getTime() {
return _decoder.getElapsedTime() / 1000.0;
}
#else // USE_THEORADEC
MoviePlayer::MoviePlayer(Kernel *pKernel) : Service(pKernel) {
if (!registerScriptBindings())
error("Script bindings could not be registered.");
else
debugC(kDebugScript, "Script bindings registered.");
}
MoviePlayer::~MoviePlayer() {
}
bool MoviePlayer::loadMovie(const Common::String &Filename, unsigned int Z) {
return true;
}
bool MoviePlayer::unloadMovie() {
return true;
}
bool MoviePlayer::play() {
return true;
}
bool MoviePlayer::pause() {
return true;
}
void MoviePlayer::update() {
}
bool MoviePlayer::isMovieLoaded() {
return false;
}
bool MoviePlayer::isPaused() {
return true;
}
float MoviePlayer::getScaleFactor() {
return 1.0f;
}
void MoviePlayer::setScaleFactor(float ScaleFactor) {
}
double MoviePlayer::getTime() {
return 1.0;
}
#endif // USE_THEORADEC
} // End of namespace Sword25