98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
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/*
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* VideoDefs.h - Definitions for video I/O
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*
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* Copyright 1995-2013 The MathWorks, Inc.
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*/
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#ifndef VIDEODEFS_H
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#define VIDEODEFS_H
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typedef enum
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{
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VideoFrame_RowMajor = 0,
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VideoFrame_ColumnMajor
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} VideoFrameOrientation;
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typedef enum
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{
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LineOrder_TopDown = 0,
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LineOrder_BottomUp
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} VideoFrameLineOrder;
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typedef enum {
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FOURCC_INVALID,
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FOURCC_RGB,
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FOURCC_GREY,
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FOURCC_YUY2
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} FourCCType;
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static const int NumBandsForFourCCType[] = {0, 3, 1, 3};
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/* Ratio of the total image size in bytes to the size of a full band for different FourCC Types */
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static const double TotalSizeToOneFullBandSizeInBytesRatio[] = {0.0, 3.0, 1.0, 2.0};
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typedef enum {
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FILETYPE_INVALID,
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FILETYPE_AVI,
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FILETYPE_WAV,
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FILETYPE_WMV,
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FILETYPE_WMA,
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FILETYPE_FLAC,
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FILETYPE_OGG,
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FILETYPE_MPEG4,
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FILETYPE_MJ2000,
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FILETYPE_NUMTYPES
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} MMFileType;
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/* these follow Simulink data types, in simstruc_types.h */
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typedef enum
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{
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VideoDataType_Double = 0, /* double */
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VideoDataType_Single, /* float */
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VideoDataType_Int8, /* char */
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VideoDataType_Uint8, /* unsigned char */
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VideoDataType_Int16, /* short */
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VideoDataType_Uint16, /* unsigned short */
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VideoDataType_Int32, /* long */
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VideoDataType_Uint32, /* unsigned long */
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VideoDataType_Boolean, /* bool */
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VideoDataType_INVALID,
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VideoDataType_NUMTYPES
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} VideoDataType;
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static const int VideoDataTypeSize[] = {8,4,1,1,2,2,4,4,1,0};
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typedef struct
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{
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unsigned char isValid; /* Zero if the file has no video */
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/* The following fields refer to the format of the video data as encoded in the file/device */
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double frameRate; /* video num frames per second */
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double frameRateComputed; /* video num frames per second, as computed by the video framework.
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* The reason that this field is necessary is that on Windows,
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* this number is less accurate than the frameRate field, yet it is essential
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* to use this value in methods that determine which frame to emit.
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* The frameRate field determines the Sample Time on the
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* Simulink wire, to be consistent with the UNIX implementation.
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*/
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char fourcc[4]; /* set to the FOURCC code of the video encoding (e.g. RGB, YUV)*/
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int numPorts; /* The number of separate signals (ports) used for the image */
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int numBands; /* The number of bands (or color planes) in the image */
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int bandWidth[3]; /* width of the video bands (RGB or intensity/chroma if YCbCr) */
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int bandHeight[3]; /* height of the video bands (RGB or intensity/chroma if YCbCr) */
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/* The following fields refer to the format of the data in MATLAB/Simulink */
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VideoDataType dataType; /* data type of incoming video image pixels */
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VideoFrameOrientation orientation; /* row- or column-major */
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/* The name of the compression format, if we are writing a file */
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const char* videoCompressor; /* set to NULL for none */
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unsigned char useMMReader; /* useMMReader = (ispc && isVideoCompressed) */
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} MMVideoInfo;
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#endif /* VIDEODEFS_H */
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