mirror of
https://github.com/hrydgard/ppsspp.git
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104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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// Simulation of the hardware video/audio decoders.
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// The idea is high level emulation where we simply use FFMPEG.
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// TODO: Actually hook up to ffmpeg.
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#pragma once
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// An approximation of what the interface will look like. Similar to JPCSP's.
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#include "../../Globals.h"
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#include "../HLE/sceMpeg.h"
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#include "ChunkFile.h"
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#include "Core/HW/MpegDemux.h"
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struct SwsContext;
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struct AVFrame;
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struct AVIOContext;
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struct AVFormatContext;
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struct AVCodecContext;
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class MediaEngine
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{
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public:
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MediaEngine();
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~MediaEngine();
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void closeMedia();
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bool loadStream(u8* buffer, int readSize, int StreamSize);
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bool loadFile(const char* filename);
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// Returns number of packets actually added.
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int addStreamData(u8* buffer, int addSize);
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int getRemainSize() { return m_streamSize - m_readSize;}
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int getBufferedSize();
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bool stepVideo(int videoPixelMode);
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bool writeVideoImage(u8* buffer, int frameWidth = 512, int videoPixelMode = 3);
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bool writeVideoImageWithRange(u8* buffer, int frameWidth, int videoPixelMode,
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int xpos, int ypos, int width, int height);
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int getAudioSamples(u8* buffer);
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bool setVideoDim(int width = 0, int height = 0);
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s64 getVideoTimeStamp();
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s64 getAudioTimeStamp();
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s64 getLastTimeStamp();
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bool IsVideoEnd() { return m_isVideoEnd;}
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void DoState(PointerWrap &p) {
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p.Do(m_streamSize);
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p.Do(m_readSize);
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p.DoMarker("MediaEngine");
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}
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private:
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bool openContext();
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void updateSwsFormat(int videoPixelMode);
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public:
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AVFormatContext *m_pFormatCtx;
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AVCodecContext *m_pCodecCtx;
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AVFrame *m_pFrame;
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AVFrame *m_pFrameRGB;
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AVIOContext *m_pIOContext;
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int m_videoStream;
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SwsContext *m_sws_ctx;
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int m_sws_fmt;
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u8 *m_buffer;
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int m_desWidth;
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int m_desHeight;
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int m_streamSize;
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int m_readSize;
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int m_decodePos;
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int m_bufSize;
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s64 m_videopts;
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u8* m_pdata;
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MpegDemux *m_demux;
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int m_audioPos;
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void* m_audioContext;
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s64 m_audiopts;
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bool m_isVideoEnd;
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};
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