Exemplo n.º 1
0
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()) {
			if (drawNextFrame(*it)) {
				updateScreen = true;
			}
		}

		// Remember to increase the iterator
		it++;
	}

	// Return true if we need to update the screen
	return updateScreen;
}
Exemplo n.º 2
0
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(*it, false);

		// Remember to increase the iterator
		it++;
	}

	// Return true if we need to update the screen
	return updateScreen;
}