scummvm/engines/sword25/fmv/movieplayer.cpp
Eugene Sandulenko 086f5961b6 SWORD25: unsigned int -> uint
svn-id: r53309
2010-10-12 23:30:00 +00:00

155 lines
4.4 KiB
C++
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/* 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.
*
* $URL$
* $Id$
*
*/
/*
* 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 "sword25/fmv/movieplayer.h"
#include "sword25/gfx/graphicengine.h"
#include "sword25/gfx/panel.h"
#include "sword25/kernel/kernel.h"
#include "sword25/package/packagemanager.h"
#include "sword25/sfx/soundengine.h"
namespace Sword25 {
#define BS_LOG_PREFIX "MOVIEPLAYER"
#define FLT_EPSILON 1.192092896e-07F /* smallest such that 1.0+FLT_EPSILON != 1.0 */
Service *OggTheora_CreateObject(Kernel *pKernel) {
return new MoviePlayer(pKernel);
}
MoviePlayer::MoviePlayer(Kernel *pKernel) : Service(pKernel), _decoder(g_system->getMixer()) {
if (!_RegisterScriptBindings())
BS_LOG_ERRORLN("Script bindings could not be registered.");
else
BS_LOGLN("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.load(in);
// Ausgabebitmap erstellen
GraphicEngine *pGfx = Kernel::GetInstance()->GetGfx();
_outputBitmap = pGfx->GetMainPanel()->AddDynamicBitmap(_decoder.getWidth(), _decoder.getHeight());
if (!_outputBitmap.IsValid()) {
BS_LOG_ERRORLN("Output bitmap for movie playback could not be created.");
return false;
}
// Skalierung des Ausgabebitmaps berechnen, so dass es m<>glichst viel Bildschirmfl<66>che einnimmt.
float ScreenToVideoWidth = (float) pGfx->GetDisplayWidth() / (float) _outputBitmap->GetWidth();
float ScreenToVideoHeight = (float) pGfx->GetDisplayHeight() / (float) _outputBitmap->GetHeight();
float ScaleFactor = MIN(ScreenToVideoWidth, ScreenToVideoHeight);
if (abs(ScaleFactor - 1.0f) < FLT_EPSILON)
ScaleFactor = 1.0f;
_outputBitmap->SetScaleFactor(ScaleFactor);
// Z-Wert setzen
_outputBitmap->SetZ(z);
// Ausgabebitmap auf dem Bildschirm zentrieren
_outputBitmap->SetX((pGfx->GetDisplayWidth() - _outputBitmap->GetWidth()) / 2);
_outputBitmap->SetY((pGfx->GetDisplayHeight() - _outputBitmap->GetHeight()) / 2);
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()) {
Graphics::Surface *s = _decoder.decodeNextFrame();
// Transfer the next frame
assert(s->bytesPerPixel == 4);
byte *frameData = (byte *)s->getBasePtr(0, 0);
_outputBitmap->SetContent(frameData, s->pitch * s->h, 0, s->pitch);
}
}
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;
}
} // End of namespace Sword25