libmpdemux/nuppelvideo.h

   1 /* nuppelvideo.h  rh */
   2
   3 #include "libavutil/intfloat_readwrite.h"
   4
   5 typedef struct  __attribute__((packed)) rtfileheader
   6 {
   7   char finfo[12];     // "NuppelVideo" + \0
   8   char version[5];    // "0.05" + \0
   9   char pad1[3];
  10   int  width;
  11   int  height;
  12   int  desiredwidth;  // 0 .. as it is
  13   int  desiredheight; // 0 .. as it is
  14   char pimode;        // P .. progressive
  15                       // I .. interlaced  (2 half pics) [NI]
  16   char pad2[3];
  17   double aspect;      // 1.0 .. square pixel (1.5 .. e.g. width=480: width*1.5=720
  18                       // for capturing for svcd material
  19   double fps;
  20   int videoblocks;   // count of video-blocks -1 .. unknown   0 .. no video
  21   int audioblocks;   // count of audio-blocks -1 .. unknown   0 .. no audio
  22   int textsblocks;   // count of text-blocks  -1 .. unknown   0 .. no text
  23   int keyframedist;
  24 } rtfileheader;
  25
  26 typedef struct  __attribute__((packed)) rtframeheader
  27 {
  28    char frametype;                      // A .. Audio, V .. Video, S .. Sync, T .. Text
  29                                         // R .. Seekpoint: String RTjjjjjjjj (use full packet)
  30                                         // D .. Addition Data for Compressors
  31                                         //      ct: R .. RTjpeg Tables
  32
  33    char comptype;                       // V: 0 .. Uncompressed [NI]
  34                                         //    1 .. RTJpeg
  35                                         //    2 .. RTJpeg with lzo afterwards
  36                                         //    N .. black frame
  37                                         //    L .. simply copy last frame (if lost frames)
  38                                         // A: 0 .. Uncompressed (44100/sec 16bit 2ch)
  39                                         //    1 .. lzo compression [NI]
  40                                         //    2 .. layer2 (packet) [NI]
  41                                         //    3 .. layer3 (packet) [NI]
  42                                         //    F .. flac (lossless) [NI]
  43                                         //    S .. shorten (lossless) [NI]
  44                                         //    N .. null frame loudless
  45                                         //    L .. simply copy last frame (may sound bad) NI
  46                                         // S: B .. Audio and Video sync point [NI]
  47                                         //    A .. Audio Sync Information
  48                                         //         timecode == effective dsp-frequency*100
  49                                         //         when reaching this audio sync point
  50                                         //         because many cheap soundcards are unexact
  51                                         //         and have a range from 44000 to 44250
  52                                         //         instead of the expected exact 44100 S./sec
  53                                         //    V .. Next Video Sync
  54                                         //         timecode == next video framenumber
  55                                         //    S .. Audio,Video,Text Correlation [NI]
  56    char keyframe;                       //    0 .. keyframe
  57                                         //    1 .. nr of frame in gop => no keyframe
  58
  59    char filters;                        //    Every bit stands for one type of filter
  60                                         //    1 .. Gauss 5 Pixel (8*m+2*l+2*r+2*a+2*b)/16 [NYI]
  61                                         //    2 .. Gauss 5 Pixel (8*m+1*l+1*r+1*a+1*b)/12 [NYI]
  62                                         //    4 .. Cartoon Filter   [NI]
  63                                         //    8 .. Reserverd Filter [NI]
  64                                         //   16 .. Reserverd Filter [NI]
  65                                         //   32 .. Reserverd Filter [NI]
  66                                         //   64 .. Reserverd Filter [NI]
  67                                         //  128 .. Reserverd Filter [NI]
  68
  69    int  timecode;                       // Timecodeinformation sec*1000 + msecs
  70
  71    int  packetlength;                   // V,A,T: length of following data in stream
  72                                         // S:     length of packet correl. information [NI]
  73                                         // R:     do not use here! (fixed 'RTjjjjjjjjjjjjjj')
  74 } rtframeheader;
  75
  76 /* for MythTV */
  77 typedef struct __attribute__((packed)) extendeddata
  78 {
  79    int version;            // yes, this is repeated from the file header
  80    int video_fourcc;       // video encoding method used
  81    int audio_fourcc;       // audio encoding method used
  82    // generic data
  83    int audio_sample_rate;
  84    int audio_bits_per_sample;
  85    int audio_channels;
  86    // codec specific
  87    // mp3lame
  88    int audio_compression_ratio;
  89    int audio_quality;
  90    // rtjpeg
  91    int rtjpeg_quality;
  92    int rtjpeg_luma_filter;
  93    int rtjpeg_chroma_filter;
  94    // libavcodec
  95    int lavc_bitrate;
  96    int lavc_qmin;
  97    int lavc_qmax;
  98    int lavc_maxqdiff;
  99    // unused for later -- total size of 128 integers.
 100    // new fields must be added at the end, above this comment.
 101    int expansion[113];
 102 } extendeddata;
 103
 104 #define FRAMEHEADERSIZE sizeof(rtframeheader)
 105 #define FILEHEADERSIZE  sizeof(rtfileheader)
 106
 107 typedef struct vidbuffertype
 108 {
 109     int sample;
 110     int timecode;
 111     int freeToEncode;
 112     int freeToBuffer;
 113     unsigned char *buffer_offset;
 114 } vidbuffertyp;
 115
 116 typedef struct audbuffertype
 117 {
 118     int sample;
 119     int timecode;
 120     int freeToEncode;
 121     int freeToBuffer;
 122     unsigned char *buffer_offset;
 123 } audbuffertyp;
 124
 125 #define le2me_rtfileheader(h) {                                 \
 126     (h)->width = le2me_32((h)->width);                          \
 127     (h)->height = le2me_32((h)->height);                        \
 128     (h)->desiredwidth = le2me_32((h)->desiredwidth);            \
 129     (h)->desiredheight = le2me_32((h)->desiredheight);          \
 130     (h)->aspect = av_int2dbl(le2me_64(*(uint64_t *)&(h)->aspect));\
 131     (h)->fps = av_int2dbl(le2me_64(*(uint64_t *)&(h)->fps));    \
 132     (h)->videoblocks = le2me_32((h)->videoblocks);              \
 133     (h)->audioblocks = le2me_32((h)->audioblocks);              \
 134     (h)->textsblocks = le2me_32((h)->textsblocks);              \
 135     (h)->keyframedist = le2me_32((h)->keyframedist);            \
 136   }
 137 #define le2me_rtframeheader(h) {                                \
 138     (h)->timecode = le2me_32((h)->timecode);                    \
 139     (h)->packetlength = le2me_32((h)->packetlength);            \
 140   }
 141 #define le2me_extendeddata(h) {                                 \
 142    (h)->version = le2me_32((h)->version);                       \
 143    (h)->video_fourcc = le2me_32((h)->video_fourcc);             \
 144    (h)->audio_fourcc = le2me_32((h)->audio_fourcc);             \
 145    (h)->audio_sample_rate = le2me_32((h)->audio_sample_rate);   \
 146    (h)->audio_bits_per_sample = le2me_32((h)->audio_bits_per_sample);\
 147    (h)->audio_channels = le2me_32((h)->audio_channels);         \
 148    (h)->audio_compression_ratio = le2me_32((h)->audio_compression_ratio);\
 149    (h)->audio_quality = le2me_32((h)->audio_quality);           \
 150    (h)->rtjpeg_quality = le2me_32((h)->rtjpeg_quality);         \
 151    (h)->rtjpeg_luma_filter = le2me_32((h)->rtjpeg_luma_filter); \
 152    (h)->rtjpeg_chroma_filter = le2me_32((h)->rtjpeg_chroma_filter);\
 153    (h)->lavc_bitrate = le2me_32((h)->lavc_bitrate);             \
 154    (h)->lavc_qmin = le2me_32((h)->lavc_qmin);                   \
 155    (h)->lavc_qmax = le2me_32((h)->lavc_qmax);                   \
 156    (h)->lavc_maxqdiff = le2me_32((h)->lavc_maxqdiff);           \
 157   }
 158