yuvReaderMmap.h

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  *
   3  * The MIT License
   4  *
   5  * Copyright (c) 2008 BBC Research
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   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
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  15  * all copies or substantial portions of the Software.
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  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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  26
  27 #ifndef YUVREADERMMAP_H_
  28 #define YUVREADERMMAP_H_
  29
  30 #include "readerInterface.h"
  31 #include "videoData.h"
  32
  33 class YUVReaderMmap : public ReaderInterface {
  34 public:
  35         //from ReaderInterface
  36         YUVReaderMmap(FrameQueue& frameQ);
  37         virtual void pullFrame(int wantedFrame, VideoData*& dst);
  38
  39 public:
  40         //specific to yuvReader
  41         void setForceFileType(bool f);
  42         void setFileType(const QString &t);
  43         void setVideoWidth(int w);
  44         void setVideoHeight(int h);
  45         void setFileName(const QString &fn);
  46
  47 private:
  48
  49         //information about the video data
  50         VideoData::DataFmt videoFormat;
  51         QString fileType;
  52         QString fileName;
  53         bool forceFileType;
  54         int videoWidth;
  55         int videoHeight;
  56
  57         //video file
  58         int fd;
  59         char *base_ptr;
  60         int lastFrameNum;
  61         int firstFrameNum;
  62
  63         //bandwidth counter
  64         QTime timer;
  65 };
  66
  67 #endif