void ZVision::playVideo(Video::VideoDecoder &vid, const Common::Rect &destRect, bool skippable, Subtitle *sub) { Common::Rect dst = destRect; // If destRect is empty, no specific scaling was requested. However, we may choose to do scaling anyway if (dst.isEmpty()) dst = Common::Rect(vid.getWidth(), vid.getHeight()); Graphics::Surface scaled; if (vid.getWidth() != dst.width() || vid.getHeight() != dst.height()) scaled.create(dst.width(), dst.height(), vid.getPixelFormat()); uint16 x = _workingWindow.left + dst.left; uint16 y = _workingWindow.top + dst.top; uint16 finalWidth = dst.width() < _workingWindow.width() ? dst.width() : _workingWindow.width(); uint16 finalHeight = dst.height() < _workingWindow.height() ? dst.height() : _workingWindow.height(); bool showSubs = (_scriptManager->getStateValue(StateKey_Subtitles) == 1); _clock.stop(); vid.start(); _videoIsPlaying = true; // Only continue while the video is still playing while (!shouldQuit() && !vid.endOfVideo() && vid.isPlaying()) { // Check for engine quit and video stop key presses while (_eventMan->pollEvent(_event)) { switch (_event.type) { case Common::EVENT_KEYDOWN: switch (_event.kbd.keycode) { case Common::KEYCODE_q: if (_event.kbd.hasFlags(Common::KBD_CTRL)) quitGame(); break; case Common::KEYCODE_SPACE: if (skippable) { vid.stop(); } break; default: break; } default: break; } } if (vid.needsUpdate()) { const Graphics::Surface *frame = vid.decodeNextFrame(); if (sub && showSubs) sub->process(vid.getCurFrame()); if (frame) { if (scaled.getPixels()) { _renderManager->scaleBuffer(frame->getPixels(), scaled.getPixels(), frame->getWidth(), frame->getHeight(), frame->getFormat().bytesPerPixel, scaled.getWidth(), scaled.getHeight()); frame = &scaled; } Common::Rect rect = Common::Rect(x, y, x + finalWidth, y + finalHeight); _renderManager->copyToScreen(*frame, rect, 0, 0); _renderManager->processSubs(0); } } // Always update the screen so the mouse continues to render _system->updateScreen(); _system->delayMillis(vid.getTimeToNextFrame() / 2); } _videoIsPlaying = false; _clock.start(); }
bool VideoManager::drawNextFrame(VideoEntryPtr videoEntry) { Video::VideoDecoder *video = videoEntry->_video; const Graphics::Surface *frame = video->decodeNextFrame(); if (!frame || !videoEntry->isEnabled()) { return false; } Graphics::Surface *convertedFrame = nullptr; 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"); return false; } // 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 video to make sure it stays on the screen (Myst does this a few times) Common::Rect targetRect = Common::Rect(video->getWidth(), video->getHeight()); targetRect.translate(videoEntry->getX(), videoEntry->getY()); Common::Rect frameRect = Common::Rect(video->getWidth(), video->getHeight()); if (targetRect.left < 0) { frameRect.left -= targetRect.left; targetRect.left = 0; } if (targetRect.top < 0) { frameRect.top -= targetRect.top; targetRect.top = 0; } if (targetRect.right > _vm->_system->getWidth()) { frameRect.right -= targetRect.right - _vm->_system->getWidth(); targetRect.right = _vm->_system->getWidth(); } if (targetRect.bottom > _vm->_system->getHeight()) { frameRect.bottom -= targetRect.bottom - _vm->_system->getHeight(); targetRect.bottom = _vm->_system->getHeight(); } _vm->_system->copyRectToScreen(frame->getBasePtr(frameRect.left, frameRect.top), frame->pitch, targetRect.left, targetRect.top, targetRect.width(), targetRect.height()); // Delete 8bpp conversion surface if (convertedFrame) { convertedFrame->free(); delete convertedFrame; } // We've drawn something to the screen, make sure we update it return true; }
void ZVision::playVideo(Video::VideoDecoder &videoDecoder, const Common::Rect &destRect, bool skippable) { byte bytesPerPixel = videoDecoder.getPixelFormat().bytesPerPixel; uint16 origWidth = videoDecoder.getWidth(); uint16 origHeight = videoDecoder.getHeight(); uint scale = 1; // If destRect is empty, no specific scaling was requested. However, we may choose to do scaling anyway if (destRect.isEmpty()) { // Most videos are very small. Therefore we do a simple 2x scale if (origWidth * 2 <= 640 && origHeight * 2 <= 480) { scale = 2; } } else { // Assume bilinear scaling. AKA calculate the scale from just the width. // Also assume that the scaling is in integral intervals. AKA no 1.5x scaling // TODO: Test ^these^ assumptions scale = destRect.width() / origWidth; // TODO: Test if we need to support downscale. } uint16 pitch = origWidth * bytesPerPixel; uint16 finalWidth = origWidth * scale; uint16 finalHeight = origHeight * scale; byte *scaledVideoFrameBuffer; if (scale != 1) { scaledVideoFrameBuffer = new byte[finalWidth * finalHeight * bytesPerPixel]; } uint16 x = ((WINDOW_WIDTH - finalWidth) / 2) + destRect.left; uint16 y = ((WINDOW_HEIGHT - finalHeight) / 2) + destRect.top; _clock.stop(); videoDecoder.start(); // Only continue while the video is still playing while (!shouldQuit() && !videoDecoder.endOfVideo() && videoDecoder.isPlaying()) { // Check for engine quit and video stop key presses while (!videoDecoder.endOfVideo() && videoDecoder.isPlaying() && _eventMan->pollEvent(_event)) { switch (_event.type) { case Common::EVENT_KEYDOWN: switch (_event.kbd.keycode) { case Common::KEYCODE_q: if (_event.kbd.hasFlags(Common::KBD_CTRL)) quitGame(); break; case Common::KEYCODE_SPACE: if (skippable) { videoDecoder.stop(); } break; default: break; } default: break; } } if (videoDecoder.needsUpdate()) { const Graphics::Surface *frame = videoDecoder.decodeNextFrame(); if (frame) { if (scale != 1) { scaleBuffer((const byte *)frame->getPixels(), scaledVideoFrameBuffer, origWidth, origHeight, bytesPerPixel, scale); _system->copyRectToScreen(scaledVideoFrameBuffer, pitch * 2, x, y, finalWidth, finalHeight); } else { _system->copyRectToScreen((const byte *)frame->getPixels(), pitch, x, y, finalWidth, finalHeight); } } } // Always update the screen so the mouse continues to render _system->updateScreen(); _system->delayMillis(videoDecoder.getTimeToNextFrame()); } _clock.start(); if (scale != 1) { delete[] scaledVideoFrameBuffer; } }
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; }