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https://gitlab.com/mbunkus/mkvtoolnix.git
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70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
// VirtualDub - Video processing and capture application
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// Copyright (C) 1998-2001 Avery Lee
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//
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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; either version 2 of the License, or
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// (at your option) any later version.
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//
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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 for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// Modified by Julien 'Cyrius' Coloos
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// 20-09-2003
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//
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#ifndef f_AVIREADHANDLER_H
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#define f_AVIREADHANDLER_H
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#include "mm_io.h"
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#include "common_gdivfw.h"
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// These are meant as AVIFile replacements. They're not quite to AVIFile
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// specs, but they'll do for now.
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class IAVIReadStream {
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public:
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virtual ~IAVIReadStream();
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virtual long BeginStreaming(long lStart, long lEnd, long lRate)=0;
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virtual long EndStreaming()=0;
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virtual long Info(w32AVISTREAMINFO *pasi, long lSize)=0;
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virtual bool IsKeyFrame(long lFrame)=0;
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virtual long Read(long lStart, long lSamples, void *lpBuffer, long cbBuffer, long *plBytes, long *plSamples)=0;
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virtual long Start()=0;
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virtual long End()=0;
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virtual long PrevKeyFrame(long lFrame)=0;
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virtual long NextKeyFrame(long lFrame)=0;
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virtual long NearestKeyFrame(long lFrame)=0;
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virtual long FormatSize(long lFrame, long *plSize)=0;
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virtual long ReadFormat(long lFrame, void *pFormat, long *plSize)=0;
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virtual bool isStreaming()=0;
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virtual bool isKeyframeOnly()=0;
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virtual bool getVBRInfo(double& bitrate_mean, double& bitrate_stddev, double& maxdev)=0;
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};
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class IAVIReadHandler {
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public:
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virtual void AddRef()=0;
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virtual void Release()=0;
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virtual IAVIReadStream *GetStream(uint32 fccType, sint32 lParam)=0;
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virtual void EnableFastIO(bool)=0;
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virtual bool isOptimizedForRealtime()=0;
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virtual bool isStreaming()=0;
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virtual bool isIndexFabricated()=0;
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//virtual bool AppendFile(const char *pszFile)=0;
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//virtual bool getSegmentHint(const char **ppszPath)=0;
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};
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IAVIReadHandler *CreateAVIReadHandler(mm_io_c *input);
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#endif
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