/* 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 3 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, see . * */ #ifndef VIDEO_PACODECODER_H #define VIDEO_PACODECODER_H #include "audio/audiostream.h" #include "common/list.h" #include "common/rect.h" #include "video/video_decoder.h" namespace Common { class SeekableReadStream; } namespace Graphics { struct PixelFormat; struct Surface; } // namespace Graphics namespace Video { /** * Decoder for PACo videos. * * Video decoder used in engines: * - director */ class PacoDecoder : public VideoDecoder { public: PacoDecoder(); virtual ~PacoDecoder(); void close() override; virtual bool loadStream(Common::SeekableReadStream *stream) override; const Common::List *getDirtyRects() const; void clearDirtyRects(); void copyDirtyRectsToBuffer(uint8 *dst, uint pitch); const byte *getPalette(); virtual void readNextPacket() override; protected: class PacoVideoTrack : public FixedRateVideoTrack { public: PacoVideoTrack( uint16 frameRate, uint16 frameCount, uint16 width, uint16 height); ~PacoVideoTrack(); bool endOfTrack() const override; virtual bool isRewindable() const override { return false; } uint16 getWidth() const override; uint16 getHeight() const override; Graphics::PixelFormat getPixelFormat() const override; int getCurFrame() const override { return _curFrame; } int getFrameCount() const override { return _frameCount; } virtual const Graphics::Surface *decodeNextFrame() override; virtual void handleFrame(Common::SeekableReadStream *fileStream, uint32 chunkSize, int curFrame); void handlePalette(Common::SeekableReadStream *fileStream); const byte *getPalette() const override; bool hasDirtyPalette() const override { return _dirtyPalette; } const Common::List *getDirtyRects() const { return &_dirtyRects; } void clearDirtyRects() { _dirtyRects.clear(); } void copyDirtyRectsToBuffer(uint8 *dst, uint pitch); Common::Rational getFrameRate() const override { return Common::Rational(_frameRate, 1); } protected: Graphics::Surface *_surface; byte *_palette; mutable bool _dirtyPalette; int _curFrame; uint32 _frameCount; uint16 _frameRate; Common::List _dirtyRects; }; class PacoAudioTrack : public AudioTrack { public: PacoAudioTrack(int samplingRate); ~PacoAudioTrack(); void queueSound(Common::SeekableReadStream *fileStream, uint32 chunkSize); protected: Audio::AudioStream *getAudioStream() const { return _packetStream; } private: Audio::PacketizedAudioStream *_packetStream; int _samplingRate; }; private: PacoVideoTrack *_videoTrack; PacoAudioTrack *_audioTrack; Common::SeekableReadStream *_fileStream; int _curFrame = 0; int _frameSizes[65536]; // can be done differently? int getAudioSamplingRate(); }; } // End of namespace Video #endif