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Diffstat (limited to 'graphics/video/video_player.cpp')
| -rw-r--r-- | graphics/video/video_player.cpp | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/graphics/video/video_player.cpp b/graphics/video/video_player.cpp deleted file mode 100644 index a8676ed594..0000000000 --- a/graphics/video/video_player.cpp +++ /dev/null @@ -1,245 +0,0 @@ -/* 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. - * - * $URL$ - * $Id$ - * - */ - -#include "common/archive.h" -#include "common/debug.h" -#include "common/events.h" -#include "common/system.h" -#include "common/util.h" -#include "common/array.h" -#include "common/endian.h" - -#include "graphics/video/video_player.h" -#include "graphics/surface.h" - -namespace Graphics { - -VideoDecoder::VideoDecoder() : _fileStream(0) { - _curFrameBlack = 0; - _curFrameWhite = 255; - _videoInfo.currentFrame = -1; -} - -VideoDecoder::~VideoDecoder() { -} - -int VideoDecoder::getWidth() { - if (!_fileStream) - return 0; - return _videoInfo.width; -} - -int VideoDecoder::getHeight() { - if (!_fileStream) - return 0; - return _videoInfo.height; -} - -int32 VideoDecoder::getCurFrame() const { - return _videoInfo.currentFrame; -} - -int32 VideoDecoder::getFrameCount() const { - if (!_fileStream) - return 0; - return _videoInfo.frameCount; -} - -int32 VideoDecoder::getFrameRate() { - if (!_fileStream) - return 0; - return _videoInfo.frameRate; -} - -int32 VideoDecoder::getFrameDelay() { - if (!_fileStream) - return 0; - return _videoInfo.frameDelay; -} - -int32 VideoDecoder::getAudioLag() { - if (!_fileStream) - return 0; - - /* No audio. - Calculate the lag by how much time has gone by since the first frame - and how much time *should* have passed. - */ - int32 audioTime = (g_system->getMillis() - _videoInfo.startTime) * 100; - int32 videoTime = _videoInfo.currentFrame * getFrameDelay(); - - return videoTime - audioTime; -} - -uint32 VideoDecoder::getFrameWaitTime() { - int32 waitTime = (getFrameDelay() + getAudioLag()) / 100; - - if (waitTime < 0) - return 0; - - return waitTime; -} - -void VideoDecoder::copyFrameToBuffer(byte *dst, uint x, uint y, uint pitch) { - uint h = getHeight(); - uint w = getWidth(); - - byte *src = _videoFrameBuffer; - dst += y * pitch + x; - - do { - memcpy(dst, src, w); - dst += pitch; - src += w; - } while (--h); -} - -void VideoDecoder::setPalette(byte *pal) { - byte videoPalette[256 * 4]; - - uint32 maxWeight = 0; - uint32 minWeight = 0xFFFFFFFF; - uint32 weight = 0; - byte r, g, b; - - for (int i = 0; i < 256; i++) { - videoPalette[i * 4 + 0] = *pal++; - videoPalette[i * 4 + 1] = *pal++; - videoPalette[i * 4 + 2] = *pal++; - videoPalette[i * 4 + 3] = 0; - - // Try and find the white and black colors for the current palette - r = videoPalette[i * 4 + 0]; - g = videoPalette[i * 4 + 1]; - b = videoPalette[i * 4 + 2]; - - weight = 3 * r * r + 6 * g * g + 2 * b * b; - - if (weight >= maxWeight) { - _curFrameWhite = i; - maxWeight = weight; - } - - if (weight <= minWeight) { - _curFrameBlack = i; - minWeight = i; - } - } - - g_system->setPalette(videoPalette, 0, 256); -} - -bool VideoDecoder::endOfVideo() const { - return !isVideoLoaded() || getCurFrame() >= (int32)getFrameCount() - 1; -} - - -/* - * VideoPlayer - */ - -void VideoPlayer::processVideoEvents(Common::List<Common::Event> &stopEvents) { - Common::Event curEvent; - Common::EventManager *eventMan = g_system->getEventManager(); - - // Process events, and skip video if esc is pressed - while (eventMan->pollEvent(curEvent)) { - if (curEvent.type == Common::EVENT_RTL || curEvent.type == Common::EVENT_QUIT) { - _skipVideo = true; - } - - for (Common::List<Common::Event>::const_iterator iter = stopEvents.begin(); iter != stopEvents.end(); ++iter) { - if (curEvent.type == iter->type) { - if (iter->type == Common::EVENT_KEYDOWN || iter->type == Common::EVENT_KEYUP) { - if (curEvent.kbd.keycode == iter->kbd.keycode) { - _skipVideo = true; - break; - } - } else { - _skipVideo = true; - break; - } - } - } - } -} - -bool VideoPlayer::playVideo(Common::List<Common::Event> &stopEvents) { - _skipVideo = false; - debug(0, "Playing video"); - - g_system->fillScreen(0); - - int frameX = (g_system->getWidth() - _decoder->getWidth()) / 2; - int frameY = (g_system->getHeight() - _decoder->getHeight()) / 2; - - while (!_decoder->endOfVideo() && !_skipVideo) { - processVideoEvents(stopEvents); - - uint32 startTime = 0; - _decoder->decodeNextFrame(); - - Graphics::Surface *screen = g_system->lockScreen(); - _decoder->copyFrameToBuffer((byte *)screen->pixels, frameX, frameY, g_system->getWidth()); - performPostProcessing((byte *)screen->pixels); - g_system->unlockScreen(); - - uint32 waitTime = _decoder->getFrameWaitTime(); - - if (!waitTime) { - warning("dropped frame %i", _decoder->getCurFrame()); - continue; - } - - // Update the screen - g_system->updateScreen(); - - startTime = g_system->getMillis(); - - // Wait before showing the next frame - while (g_system->getMillis() < startTime + waitTime && !_skipVideo) { - processVideoEvents(stopEvents); - g_system->delayMillis(10); - } - } - - return !_skipVideo; -} - -bool VideoPlayer::playVideo() { - Common::Event stopEvent; - Common::List<Common::Event> stopEvents; - stopEvents.clear(); - stopEvent.type = Common::EVENT_KEYDOWN; - stopEvent.kbd = Common::KEYCODE_ESCAPE; - stopEvents.push_back(stopEvent); - - return playVideo(stopEvents); -} - -void VideoPlayer::performPostProcessing(byte *screen) { -} - -} // End of namespace Graphics |