libmpdemux/nuppelvideo.h

   1 /*
   2    nuppelvideo.h taken from NuppelVideo, by
   3    (c) Roman Hochleitner roman@mars.tuwien.ac.at
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  18 */
  19
  20 #ifndef MPLAYER_NUPPELVIDEO_H
  21 #define MPLAYER_NUPPELVIDEO_H
  22
  23 #include "libavutil/intfloat_readwrite.h"
  24
  25 typedef struct  __attribute__((packed)) rtfileheader
  26 {
  27   char finfo[12];     // "NuppelVideo" + \0
  28   char version[5];    // "0.05" + \0
  29   char pad1[3];
  30   int  width;
  31   int  height;
  32   int  desiredwidth;  // 0 .. as it is
  33   int  desiredheight; // 0 .. as it is
  34   char pimode;        // P .. progressive
  35                       // I .. interlaced  (2 half pics) [NI]
  36   char pad2[3];
  37   double aspect;      // 1.0 .. square pixel (1.5 .. e.g. width=480: width*1.5=720
  38                       // for capturing for svcd material
  39   double fps;
  40   int videoblocks;   // count of video-blocks -1 .. unknown   0 .. no video
  41   int audioblocks;   // count of audio-blocks -1 .. unknown   0 .. no audio
  42   int textsblocks;   // count of text-blocks  -1 .. unknown   0 .. no text
  43   int keyframedist;
  44 } rtfileheader;
  45
  46 typedef struct  __attribute__((packed)) rtframeheader
  47 {
  48    char frametype;                      // A .. Audio, V .. Video, S .. Sync, T .. Text
  49                                         // R .. Seekpoint: String RTjjjjjjjj (use full packet)
  50                                         // D .. Addition Data for Compressors
  51                                         //      ct: R .. RTjpeg Tables
  52
  53    char comptype;                       // V: 0 .. Uncompressed [NI]
  54                                         //    1 .. RTJpeg
  55                                         //    2 .. RTJpeg with lzo afterwards
  56                                         //    N .. black frame
  57                                         //    L .. simply copy last frame (if lost frames)
  58                                         // A: 0 .. Uncompressed (44100/sec 16bit 2ch)
  59                                         //    1 .. lzo compression [NI]
  60                                         //    2 .. layer2 (packet) [NI]
  61                                         //    3 .. layer3 (packet) [NI]
  62                                         //    F .. flac (lossless) [NI]
  63                                         //    S .. shorten (lossless) [NI]
  64                                         //    N .. null frame loudless
  65                                         //    L .. simply copy last frame (may sound bad) NI
  66                                         // S: B .. Audio and Video sync point [NI]
  67                                         //    A .. Audio Sync Information
  68                                         //         timecode == effective dsp-frequency*100
  69                                         //         when reaching this audio sync point
  70                                         //         because many cheap soundcards are unexact
  71                                         //         and have a range from 44000 to 44250
  72                                         //         instead of the expected exact 44100 S./sec
  73                                         //    V .. Next Video Sync
  74                                         //         timecode == next video framenumber
  75                                         //    S .. Audio,Video,Text Correlation [NI]
  76    char keyframe;                       //    0 .. keyframe
  77                                         //    1 .. nr of frame in gop => no keyframe
  78
  79    char filters;                        //    Every bit stands for one type of filter
  80                                         //    1 .. Gauss 5 Pixel (8*m+2*l+2*r+2*a+2*b)/16 [NYI]
  81                                         //    2 .. Gauss 5 Pixel (8*m+1*l+1*r+1*a+1*b)/12 [NYI]
  82                                         //    4 .. Cartoon Filter   [NI]
  83                                         //    8 .. Reserverd Filter [NI]
  84                                         //   16 .. Reserverd Filter [NI]
  85                                         //   32 .. Reserverd Filter [NI]
  86                                         //   64 .. Reserverd Filter [NI]
  87                                         //  128 .. Reserverd Filter [NI]
  88
  89    int  timecode;                       // Timecodeinformation sec*1000 + msecs
  90
  91    int  packetlength;                   // V,A,T: length of following data in stream
  92                                         // S:     length of packet correl. information [NI]
  93                                         // R:     do not use here! (fixed 'RTjjjjjjjjjjjjjj')
  94 } rtframeheader;
  95
  96 /* for MythTV */
  97 typedef struct __attribute__((packed)) extendeddata
  98 {
  99    int version;            // yes, this is repeated from the file header
 100    int video_fourcc;       // video encoding method used
 101    int audio_fourcc;       // audio encoding method used
 102    // generic data
 103    int audio_sample_rate;
 104    int audio_bits_per_sample;
 105    int audio_channels;
 106    // codec specific
 107    // mp3lame
 108    int audio_compression_ratio;
 109    int audio_quality;
 110    // rtjpeg
 111    int rtjpeg_quality;
 112    int rtjpeg_luma_filter;
 113    int rtjpeg_chroma_filter;
 114    // libavcodec
 115    int lavc_bitrate;
 116    int lavc_qmin;
 117    int lavc_qmax;
 118    int lavc_maxqdiff;
 119    // unused for later -- total size of 128 integers.
 120    // new fields must be added at the end, above this comment.
 121    int expansion[113];
 122 } extendeddata;
 123
 124 #define FRAMEHEADERSIZE sizeof(rtframeheader)
 125 #define FILEHEADERSIZE  sizeof(rtfileheader)
 126
 127 typedef struct vidbuffertype
 128 {
 129     int sample;
 130     int timecode;
 131     int freeToEncode;
 132     int freeToBuffer;
 133     unsigned char *buffer_offset;
 134 } vidbuffertyp;
 135
 136 typedef struct audbuffertype
 137 {
 138     int sample;
 139     int timecode;
 140     int freeToEncode;
 141     int freeToBuffer;
 142     unsigned char *buffer_offset;
 143 } audbuffertyp;
 144
 145 #define le2me_rtfileheader(h) {                                 \
 146     (h)->width = le2me_32((h)->width);                          \
 147     (h)->height = le2me_32((h)->height);                        \
 148     (h)->desiredwidth = le2me_32((h)->desiredwidth);            \
 149     (h)->desiredheight = le2me_32((h)->desiredheight);          \
 150     (h)->aspect = av_int2dbl(le2me_64(*(uint64_t *)&(h)->aspect));\
 151     (h)->fps = av_int2dbl(le2me_64(*(uint64_t *)&(h)->fps));    \
 152     (h)->videoblocks = le2me_32((h)->videoblocks);              \
 153     (h)->audioblocks = le2me_32((h)->audioblocks);              \
 154     (h)->textsblocks = le2me_32((h)->textsblocks);              \
 155     (h)->keyframedist = le2me_32((h)->keyframedist);            \
 156   }
 157 #define le2me_rtframeheader(h) {                                \
 158     (h)->timecode = le2me_32((h)->timecode);                    \
 159     (h)->packetlength = le2me_32((h)->packetlength);            \
 160   }
 161 #define le2me_extendeddata(h) {                                 \
 162    (h)->version = le2me_32((h)->version);                       \
 163    (h)->video_fourcc = le2me_32((h)->video_fourcc);             \
 164    (h)->audio_fourcc = le2me_32((h)->audio_fourcc);             \
 165    (h)->audio_sample_rate = le2me_32((h)->audio_sample_rate);   \
 166    (h)->audio_bits_per_sample = le2me_32((h)->audio_bits_per_sample);\
 167    (h)->audio_channels = le2me_32((h)->audio_channels);         \
 168    (h)->audio_compression_ratio = le2me_32((h)->audio_compression_ratio);\
 169    (h)->audio_quality = le2me_32((h)->audio_quality);           \
 170    (h)->rtjpeg_quality = le2me_32((h)->rtjpeg_quality);         \
 171    (h)->rtjpeg_luma_filter = le2me_32((h)->rtjpeg_luma_filter); \
 172    (h)->rtjpeg_chroma_filter = le2me_32((h)->rtjpeg_chroma_filter);\
 173    (h)->lavc_bitrate = le2me_32((h)->lavc_bitrate);             \
 174    (h)->lavc_qmin = le2me_32((h)->lavc_qmin);                   \
 175    (h)->lavc_qmax = le2me_32((h)->lavc_qmax);                   \
 176    (h)->lavc_maxqdiff = le2me_32((h)->lavc_maxqdiff);           \
 177   }
 178
 179 #endif /* MPLAYER_NUPPELVIDEO_H */