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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.
*
*/
#include "mohawk/mohawk.h"
#include "mohawk/resource.h"
#include "mohawk/video.h"
#include "common/algorithm.h"
#include "common/debug.h"
#include "common/events.h"
#include "common/textconsole.h"
#include "common/system.h"
#include "graphics/palette.h"
#include "graphics/surface.h"
#include "video/qt_decoder.h"
namespace Mohawk {
VideoEntry::VideoEntry() : _video(0), _id(-1), _x(0), _y(0), _loop(false), _enabled(true) {
}
VideoEntry::VideoEntry(Video::VideoDecoder *video, const Common::String &fileName) : _video(video), _fileName(fileName), _id(-1), _x(0), _y(0), _loop(false), _enabled(true) {
}
VideoEntry::VideoEntry(Video::VideoDecoder *video, int id) : _video(video), _id(id), _x(0), _y(0), _loop(false), _enabled(true) {
}
VideoEntry::~VideoEntry() {
close();
}
void VideoEntry::close() {
delete _video;
_video = 0;
}
bool VideoEntry::endOfVideo() const {
return !isOpen() || _video->endOfVideo();
}
int VideoEntry::getCurFrame() const {
assert(_video);
return _video->getCurFrame();
}
uint32 VideoEntry::getFrameCount() const {
assert(_video);
return _video->getFrameCount();
}
uint32 VideoEntry::getTime() const {
assert(_video);
return _video->getTime();
}
Audio::Timestamp VideoEntry::getDuration() const {
assert(_video);
return _video->getDuration();
}
Common::Rational VideoEntry::getRate() const {
assert(_video);
return _video->getRate();
}
void VideoEntry::center() {
assert(_video);
_x = (g_system->getWidth() - _video->getWidth()) / 2;
_y = (g_system->getHeight() - _video->getHeight()) / 2;
}
void VideoEntry::setBounds(const Audio::Timestamp &startTime, const Audio::Timestamp &endTime) {
assert(_video);
_start = startTime;
_video->setEndTime(endTime);
_video->seek(startTime);
}
void VideoEntry::seek(const Audio::Timestamp &time) {
assert(_video);
_video->seek(time);
}
void VideoEntry::setRate(const Common::Rational &rate) {
assert(_video);
_video->setRate(rate);
}
void VideoEntry::pause(bool isPaused) {
assert(_video);
_video->pauseVideo(isPaused);
}
void VideoEntry::start() {
assert(_video);
_video->start();
}
void VideoEntry::stop() {
assert(_video);
_video->stop();
}
bool VideoEntry::isPlaying() const {
assert(_video);
return _video->isPlaying();
}
int VideoEntry::getVolume() const {
assert(_video);
return _video->getVolume();
}
void VideoEntry::setVolume(int volume) {
assert(_video);
_video->setVolume(CLIP(volume, 0, 255));
}
VideoHandle::VideoHandle(VideoEntryPtr ptr) : _ptr(ptr) {
}
VideoHandle::VideoHandle(const VideoHandle &handle) : _ptr(handle._ptr) {
}
VideoManager::VideoManager(MohawkEngine* vm) : _vm(vm) {
// Set dithering enabled, if required
_enableDither = _vm->getGameType() == GType_MYST && !(_vm->getFeatures() & GF_ME);
}
VideoManager::~VideoManager() {
stopVideos();
}
void VideoManager::pauseVideos() {
for (VideoList::iterator it = _videos.begin(); it != _videos.end(); it++)
(*it)->pause(true);
}
void VideoManager::resumeVideos() {
for (VideoList::iterator it = _videos.begin(); it != _videos.end(); it++)
(*it)->pause(false);
}
void VideoManager::stopVideos() {
for (VideoList::iterator it = _videos.begin(); it != _videos.end(); it++)
(*it)->close();
_videos.clear();
}
void VideoManager::playMovieBlocking(const Common::String &fileName, uint16 x, uint16 y, bool clearScreen) {
VideoEntryPtr ptr = open(fileName);
if (!ptr)
return;
ptr->moveTo(x, y);
// Clear screen if requested
if (clearScreen) {
_vm->_system->fillScreen(_vm->_system->getScreenFormat().RGBToColor(0, 0, 0));
_vm->_system->updateScreen();
}
ptr->start();
waitUntilMovieEnds(VideoHandle(ptr));
}
void VideoManager::playMovieBlockingCentered(const Common::String &fileName, bool clearScreen) {
VideoEntryPtr ptr = open(fileName);
if (!ptr)
return;
// Clear screen if requested
if (clearScreen) {
_vm->_system->fillScreen(_vm->_system->getScreenFormat().RGBToColor(0, 0, 0));
_vm->_system->updateScreen();
}
ptr->center();
ptr->start();
waitUntilMovieEnds(VideoHandle(ptr));
}
void VideoManager::waitUntilMovieEnds(VideoHandle videoHandle) {
if (!videoHandle)
return;
// Sanity check
if (videoHandle._ptr->isLooping())
error("Called waitUntilMovieEnds() on a looping video");
bool continuePlaying = true;
while (!videoHandle->endOfVideo() && !_vm->shouldQuit() && continuePlaying) {
if (updateMovies())
_vm->_system->updateScreen();
Common::Event event;
while (_vm->_system->getEventManager()->pollEvent(event)) {
switch (event.type) {
case Common::EVENT_RTL:
case Common::EVENT_QUIT:
continuePlaying = false;
break;
case Common::EVENT_KEYDOWN:
switch (event.kbd.keycode) {
case Common::KEYCODE_SPACE:
_vm->pauseGame();
break;
case Common::KEYCODE_ESCAPE:
continuePlaying = false;
_vm->doVideoTimer(videoHandle, true);
break;
default:
break;
}
default:
break;
}
}
// Cut down on CPU usage
_vm->_system->delayMillis(10);
}
// Ensure it's removed
removeEntry(videoHandle._ptr);
}
void VideoManager::delayUntilMovieEnds(VideoHandle videoHandle) {
// FIXME: Why is this separate from waitUntilMovieEnds?
// It seems to only cut out the event loop (which is bad).
if (!videoHandle)
return;
// Sanity check
if (videoHandle._ptr->isLooping())
error("Called delayUntilMovieEnds() on a looping video");
while (!videoHandle->endOfVideo() && !_vm->shouldQuit()) {
if (updateMovies())
_vm->_system->updateScreen();
// Cut down on CPU usage
_vm->_system->delayMillis(10);
}
// Ensure it's removed
removeEntry(videoHandle._ptr);
}
VideoHandle VideoManager::playMovie(const Common::String &fileName) {
VideoEntryPtr ptr = open(fileName);
if (!ptr)
return VideoHandle();
ptr->start();
return VideoHandle(ptr);
}
VideoHandle VideoManager::playMovie(uint16 id) {
VideoEntryPtr ptr = open(id);
if (!ptr)
return VideoHandle();
ptr->start();
return VideoHandle(ptr);
}
bool VideoManager::updateMovies() {
bool updateScreen = false;
for (VideoList::iterator it = _videos.begin(); it != _videos.end(); ) {
// Check of the video has reached the end
if ((*it)->endOfVideo()) {
if ((*it)->isLooping()) {
// Seek back if looping
(*it)->seek((*it)->getStart());
} else {
// Done; close and continue on
(*it)->close();
it = _videos.erase(it);
continue;
}
}
Video::VideoDecoder *video = (*it)->_video;
// Ignore paused videos
if (video->isPaused()) {
it++;
continue;
}
// Check if we need to draw a frame
if (video->needsUpdate()) {
const Graphics::Surface *frame = video->decodeNextFrame();
Graphics::Surface *convertedFrame = 0;
if (frame && (*it)->isEnabled()) {
Graphics::PixelFormat pixelFormat = _vm->_system->getScreenFormat();
if (frame->format != pixelFormat) {
// We don't support downconverting to 8bpp without having
// support in the codec. Set _enableDither if shows up.
if (pixelFormat.bytesPerPixel == 1) {
warning("Cannot convert high color video frame to 8bpp");
(*it)->close();
it = _videos.erase(it);
continue;
}
// Convert to the current screen format
convertedFrame = frame->convertTo(pixelFormat, video->getPalette());
frame = convertedFrame;
} else if (pixelFormat.bytesPerPixel == 1 && video->hasDirtyPalette()) {
// Set the palette when running in 8bpp mode only
// Don't do this for Myst, which has its own per-stack handling
if (_vm->getGameType() != GType_MYST)
_vm->_system->getPaletteManager()->setPalette(video->getPalette(), 0, 256);
}
// Clip the width/height to make sure we stay on the screen (Myst does this a few times)
uint16 width = MIN<int32>(video->getWidth(), _vm->_system->getWidth() - (*it)->getX());
uint16 height = MIN<int32>(video->getHeight(), _vm->_system->getHeight() - (*it)->getY());
_vm->_system->copyRectToScreen(frame->getPixels(), frame->pitch, (*it)->getX(), (*it)->getY(), width, height);
// We've drawn something to the screen, make sure we update it
updateScreen = true;
// Delete 8bpp conversion surface
if (convertedFrame) {
convertedFrame->free();
delete convertedFrame;
}
}
}
// Check the video time
_vm->doVideoTimer(VideoHandle(*it), false);
// Remember to increase the iterator
it++;
}
// Return true if we need to update the screen
return updateScreen;
}
void VideoManager::activateMLST(uint16 mlstId, uint16 card) {
Common::SeekableReadStream *mlstStream = _vm->getResource(ID_MLST, card);
uint16 recordCount = mlstStream->readUint16BE();
for (uint16 i = 0; i < recordCount; i++) {
MLSTRecord mlstRecord;
mlstRecord.index = mlstStream->readUint16BE();
mlstRecord.movieID = mlstStream->readUint16BE();
mlstRecord.code = mlstStream->readUint16BE();
mlstRecord.left = mlstStream->readUint16BE();
mlstRecord.top = mlstStream->readUint16BE();
for (byte j = 0; j < 2; j++)
if (mlstStream->readUint16BE() != 0)
warning("u0[%d] in MLST non-zero", j);
if (mlstStream->readUint16BE() != 0xFFFF)
warning("u0[2] in MLST not 0xFFFF");
mlstRecord.loop = mlstStream->readUint16BE();
mlstRecord.volume = mlstStream->readUint16BE();
mlstRecord.u1 = mlstStream->readUint16BE();
if (mlstRecord.u1 != 1)
warning("mlstRecord.u1 not 1");
// We've found a match, add it
if (mlstRecord.index == mlstId) {
// Make sure we don't have any duplicates
for (uint32 j = 0; j < _mlstRecords.size(); j++)
if (_mlstRecords[j].index == mlstRecord.index || _mlstRecords[j].code == mlstRecord.code) {
_mlstRecords.remove_at(j);
j--;
}
_mlstRecords.push_back(mlstRecord);
break;
}
}
delete mlstStream;
}
void VideoManager::clearMLST() {
_mlstRecords.clear();
}
VideoHandle VideoManager::playMovieRiven(uint16 id) {
for (uint16 i = 0; i < _mlstRecords.size(); i++) {
if (_mlstRecords[i].code == id) {
debug(1, "Play tMOV %d (non-blocking) at (%d, %d) %s, Volume = %d", _mlstRecords[i].movieID, _mlstRecords[i].left, _mlstRecords[i].top, _mlstRecords[i].loop != 0 ? "looping" : "non-looping", _mlstRecords[i].volume);
VideoEntryPtr ptr = open(_mlstRecords[i].movieID);
if (ptr) {
ptr->moveTo(_mlstRecords[i].left, _mlstRecords[i].top);
ptr->setLooping(_mlstRecords[i].loop != 0);
ptr->setVolume(_mlstRecords[i].volume);
ptr->start();
}
return VideoHandle(ptr);
}
}
return VideoHandle();
}
void VideoManager::playMovieBlockingRiven(uint16 id) {
for (uint16 i = 0; i < _mlstRecords.size(); i++) {
if (_mlstRecords[i].code == id) {
debug(1, "Play tMOV %d (blocking) at (%d, %d), Volume = %d", _mlstRecords[i].movieID, _mlstRecords[i].left, _mlstRecords[i].top, _mlstRecords[i].volume);
VideoEntryPtr ptr = open(_mlstRecords[i].movieID);
ptr->moveTo(_mlstRecords[i].left, _mlstRecords[i].top);
ptr->setVolume(_mlstRecords[i].volume);
ptr->start();
waitUntilMovieEnds(VideoHandle(ptr));
return;
}
}
}
void VideoManager::stopMovieRiven(uint16 id) {
debug(2, "Stopping movie %d", id);
VideoHandle handle = findVideoHandleRiven(id);
if (handle)
removeEntry(handle._ptr);
}
void VideoManager::disableAllMovies() {
debug(2, "Disabling all movies");
for (VideoList::iterator it = _videos.begin(); it != _videos.end(); it++)
(*it)->setEnabled(false);
}
VideoEntryPtr VideoManager::open(uint16 id) {
// If this video is already playing, return that handle
VideoHandle oldHandle = findVideoHandle(id);
if (oldHandle._ptr)
return oldHandle._ptr;
// Otherwise, create a new entry
Video::QuickTimeDecoder *video = new Video::QuickTimeDecoder();
video->setChunkBeginOffset(_vm->getResourceOffset(ID_TMOV, id));
video->loadStream(_vm->getResource(ID_TMOV, id));
// Create the entry
VideoEntryPtr entry(new VideoEntry(video, id));
// Enable dither if necessary
checkEnableDither(entry);
// Add it to the video list
_videos.push_back(entry);
return entry;
}
VideoEntryPtr VideoManager::open(const Common::String &fileName) {
// If this video is already playing, return that entry
VideoHandle oldHandle = findVideoHandle(fileName);
if (oldHandle._ptr)
return oldHandle._ptr;
// Otherwise, create a new entry
Common::SeekableReadStream *stream = SearchMan.createReadStreamForMember(fileName);
if (!stream)
return VideoEntryPtr();
Video::VideoDecoder *video = new Video::QuickTimeDecoder();
if (!video->loadStream(stream)) {
// FIXME: Better error handling
delete video;
return VideoEntryPtr();
}
// Create the entry
VideoEntryPtr entry(new VideoEntry(video, fileName));
// Enable dither if necessary
checkEnableDither(entry);
// Add it to the video list
_videos.push_back(entry);
return entry;
}
VideoHandle VideoManager::findVideoHandleRiven(uint16 id) {
for (uint16 i = 0; i < _mlstRecords.size(); i++)
if (_mlstRecords[i].code == id)
for (VideoList::iterator it = _videos.begin(); it != _videos.end(); it++)
if ((*it)->getID() == _mlstRecords[i].movieID)
return VideoHandle(*it);
return VideoHandle();
}
VideoHandle VideoManager::findVideoHandle(uint16 id) {
if (id == 0)
return VideoHandle();
for (VideoList::iterator it = _videos.begin(); it != _videos.end(); it++)
if ((*it)->getID() == id)
return VideoHandle(*it);
return VideoHandle();
}
VideoHandle VideoManager::findVideoHandle(const Common::String &fileName) {
if (fileName.empty())
return VideoHandle();
for (VideoList::iterator it = _videos.begin(); it != _videos.end(); it++)
if ((*it)->getFileName().equalsIgnoreCase(fileName))
return VideoHandle(*it);
return VideoHandle();
}
bool VideoManager::isVideoPlaying() {
for (VideoList::iterator it = _videos.begin(); it != _videos.end(); it++)
if (!(*it)->endOfVideo())
return true;
return false;
}
void VideoManager::drawVideoFrame(VideoHandle handle, const Audio::Timestamp &time) {
// FIXME: This should be done separately from the "playing"
// videos eventually.
assert(handle);
handle->seek(time);
updateMovies();
handle->close();
}
VideoManager::VideoList::iterator VideoManager::findEntry(VideoEntryPtr ptr) {
return Common::find(_videos.begin(), _videos.end(), ptr);
}
void VideoManager::removeEntry(VideoEntryPtr ptr) {
VideoManager::VideoList::iterator it = findEntry(ptr);
if (it != _videos.end())
_videos.erase(it);
}
void VideoManager::checkEnableDither(VideoEntryPtr &entry) {
// If we're not dithering, bail out
if (!_enableDither)
return;
// Set the palette
byte palette[256 * 3];
g_system->getPaletteManager()->grabPalette(palette, 0, 256);
entry->_video->setDitheringPalette(palette);
if (entry->_video->getPixelFormat().bytesPerPixel != 1) {
if (entry->getFileName().empty())
error("Failed to set dither for video tMOV %d", entry->getID());
else
error("Failed to set dither for video %s", entry->getFileName().c_str());
}
}
} // End of namespace Mohawk
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