forked from mia/Aegisub
93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
// Copyright (c) 2007-2008 Fredrik Mellbin
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#ifndef FFVIDEOSOURCE_H
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#define FFVIDEOSOURCE_H
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extern "C" {
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#include <libavformat/avformat.h>
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#include <libavcodec/avcodec.h>
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#include <libswscale/swscale.h>
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#include <libpostproc/postprocess.h>
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}
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#include <windows.h>
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#include <vector>
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#include "avisynth.h"
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#include "indexing.h"
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#include "utils.h"
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#include "ffms.h"
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class VideoBase {
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private:
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pp_context_t *PPContext;
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pp_mode_t *PPMode;
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protected:
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VideoProperties VP;
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AVFrame *PPFrame;
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AVFrame *DecodeFrame;
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int LastFrameNum;
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FrameInfoVector Frames;
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int VideoTrack;
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int CurrentFrame;
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AVCodecContext *CodecContext;
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VideoBase();
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int InitPP(const char *PP, int PixelFormat, char *ErrorMsg, unsigned MsgSize);
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AVFrameLite *OutputFrame(AVFrame *Frame);
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public:
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virtual ~VideoBase();
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const VideoProperties& __stdcall GetVideoProperties() { return VP; }
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int GetTrack() { return VideoTrack; }
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FrameInfoVector *GetFrameInfoVector() { return &Frames; }
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virtual AVFrameLite *GetFrame(int n, char *ErrorMsg, unsigned MsgSize) = 0;;
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AVFrameLite *GetFrameByTime(double Time, char *ErrorMsg, unsigned MsgSize);
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};
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class FFVideoSource : public VideoBase {
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private:
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AVFormatContext *FormatContext;
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int SeekMode;
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int GetTrackIndex(int &Index, char *ErrorMsg, unsigned MsgSize);
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int DecodeNextFrame(AVFrame *Frame, int64_t *DTS, char *ErrorMsg, unsigned MsgSize);
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public:
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FFVideoSource(const char *SourceFile, int Track, FrameIndex *TrackIndices, const char *PP, int Threads, int SeekMode, char *ErrorMsg, unsigned MsgSize);
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~FFVideoSource();
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AVFrameLite *GetFrame(int n, char *ErrorMsg, unsigned MsgSize);
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};
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class MatroskaVideoSource : public VideoBase {
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private:
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MatroskaFile *MF;
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MatroskaReaderContext MC;
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CompressedStream *CS;
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char ErrorMessage[256];
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int DecodeNextFrame(AVFrame *AFrame, int64_t *AFirstStartTime, char *ErrorMsg, unsigned MsgSize);
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int GetTrackIndex(int &Index, char *ErrorMsg, unsigned MsgSize);
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public:
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MatroskaVideoSource(const char *SourceFile, int Track, FrameIndex *TrackIndices, const char *PP, int Threads, char *ErrorMsg, unsigned MsgSize);
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~MatroskaVideoSource();
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AVFrameLite *GetFrame(int n, char *ErrorMsg, unsigned MsgSize);
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};
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#endif
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