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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.
*
* Additional copyright for this file:
* Copyright (C) 1995-1997 Presto Studios, Inc.
*
* 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.
*
*/
#include "common/system.h"
#include "graphics/surface.h"
#include "video/qt_decoder.h"
#include "video/video_decoder.h"
#include "pegasus/movie.h"
namespace Pegasus {
Movie::Movie(const tDisplayElementID id) : Animation(id) {
_video = 0;
_directDraw = false;
setScale(600);
}
Movie::~Movie() {
releaseMovie();
}
// *** Make sure this will stop displaying the movie.
void Movie::releaseMovie() {
if (_video) {
delete _video;
_video = 0;
disposeAllCallBacks();
deallocateSurface();
// TODO: Decrease global direct draw counter
}
}
void Movie::initFromMovieFile(const Common::String &fileName, bool transparent) {
_transparent = transparent;
releaseMovie();
_video = new Video::QuickTimeDecoder();
if (!_video->loadFile(fileName))
error("Could not load video '%s'", fileName.c_str());
_video->pauseVideo(true);
Common::Rect bounds(0, 0, _video->getWidth(), _video->getHeight());
sizeElement(_video->getWidth(), _video->getHeight());
_movieBox = bounds;
if (!isSurfaceValid())
allocateSurface(bounds);
setStart(0, getScale());
setStop(_video->getDuration() * getScale() / 1000, getScale());
}
void Movie::setDirectDraw(const bool flag) {
_directDraw = flag;
// TODO: Increase/decrease the global direct draw counter
}
void Movie::redrawMovieWorld() {
if (_video) {
const Graphics::Surface *frame = _video->decodeNextFrame();
if (!frame)
return;
if (_directDraw) {
// Copy to the screen
Common::Rect bounds;
getBounds(bounds);
g_system->copyRectToScreen((byte *)frame->pixels, frame->pitch, bounds.left, bounds.top, frame->w, frame->h);
} else {
// Copy to the surface using _movieBox
uint16 width = MIN<int>(frame->w, _movieBox.width());
uint16 height = MIN<int>(frame->h, _movieBox.height());
for (uint16 y = 0; y < height; y++)
memcpy((byte *)_surface->getBasePtr(_movieBox.left, _movieBox.top + y), (const byte *)frame->getBasePtr(0, y), width * frame->format.bytesPerPixel);
}
triggerRedraw();
}
}
void Movie::draw(const Common::Rect &r) {
Common::Rect worldBounds = _movieBox;
Common::Rect elementBounds;
getBounds(elementBounds);
worldBounds.moveTo(elementBounds.left, elementBounds.top);
Common::Rect r1 = r.findIntersectingRect(worldBounds);
Common::Rect r2 = r1;
r2.translate(_movieBox.left - elementBounds.left, _movieBox.top - elementBounds.top);
drawImage(r2, r1);
}
void Movie::moveMovieBoxTo(const tCoordType h, const tCoordType v) {
_movieBox.moveTo(h, v);
}
void Movie::setVolume(uint16 volume) {
// TODO
}
void Movie::setTime(const TimeValue time, const TimeScale scale) {
if (_video) {
// Don't go past the ends of the movie
Common::Rational timeFrac = Common::Rational(time, ((scale == 0) ? getScale() : scale));
if (timeFrac < Common::Rational(_startTime, _startScale))
timeFrac = Common::Rational(_startTime, _startScale);
else if (timeFrac >= Common::Rational(_stopTime, _stopScale))
return;
_video->seekToTime(Audio::Timestamp(0, timeFrac.getNumerator(), timeFrac.getDenominator()));
_time = timeFrac;
_lastMillis = 0;
}
}
void Movie::setRate(const Common::Rational rate) {
if (rate != 1 && rate != 0)
error("Cannot set movie rate");
TimeBase::setRate(rate);
}
void Movie::start() {
if (_video && _video->isPaused())
_video->pauseVideo(false);
TimeBase::start();
}
void Movie::stop() {
if (_video && !_video->isPaused())
_video->pauseVideo(true);
TimeBase::stop();
}
void Movie::resume() {
if (_video)
_video->pauseVideo(false);
TimeBase::resume();
}
void Movie::pause() {
if (_video)
_video->pauseVideo(true);
TimeBase::pause();
}
TimeValue Movie::getDuration(const TimeScale scale) const {
// Unlike TimeBase::getDuration(), this returns the whole duration of the movie
// The original source has a TODO to make this behave like TimeBase::getDuration(),
// but the problem is that too much code requires this function to behave this way...
if (_video)
return _video->getDuration() * ((scale == 0) ? getScale() : scale) / 1000;
return 0;
}
void Movie::checkCallBacks() {
TimeBase::checkCallBacks();
// The reason why we overrode TimeBase's checkCallBacks():
// Again, avoiding timers and handling it here
if (_video && !_video->isPaused()) {
if (_video->needsUpdate())
redrawMovieWorld();
uint32 startTime = _startTime * getScale() / _startScale;
uint32 stopTime = _stopTime * getScale() / _stopScale;
uint32 actualTime = CLIP<int>(_video->getElapsedTime() * getScale() / 1000, startTime, stopTime);
_time = Common::Rational(actualTime, getScale());
// Stop the video when we go past our end
// TODO: Check if this should really be -1
if (actualTime >= stopTime - 1) {
// HACK: Handle looping here as well
// Should be handled like the rest of TimeBases
if (getFlags() & kLoopTimeBase)
setTime(_startTime, _startScale);
else
stop();
}
}
}
} // End of namespace Pegasus
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