1 /* nuppelvideo.h  rh */
2 
3 typedef struct rtfileheader
4 {
5   char finfo[12];     // "NuppelVideo" + \0
6   char version[5];    // "0.05" + \0
7   int  width;
8   int  height;
9   int  desiredwidth;  // 0 .. as it is
10   int  desiredheight; // 0 .. as it is
11   char pimode;        // P .. progressive
12 		      // I .. interlaced  (2 half pics) [NI]
13   double aspect;      // 1.0 .. square pixel (1.5 .. e.g. width=480: width*1.5=720
14                       // for capturing for svcd material
15   double fps;
16   int videoblocks;   // count of video-blocks -1 .. unknown   0 .. no video
17   int audioblocks;   // count of audio-blocks -1 .. unknown   0 .. no audio
18   int textsblocks;   // count of text-blocks  -1 .. unknown   0 .. no text
19   int keyframedist;
20 } rtfileheader;
21 
22 typedef struct rtframeheader
23 {
24    char frametype;			// A .. Audio, V .. Video, S .. Sync, T .. Text
25    					// R .. Seekpoint: String RTjjjjjjjj (use full packet)
26 					// D .. Addition Data for Compressors
27    					//      ct: R .. RTjpeg Tables
28 
29    char comptype;			// V: 0 .. raw YUV420
30 					//    1 .. RTJpeg
31 					//    2 .. RTJpeg with lzo afterwards
32 					//    3 .. raw YUV420 with lzo afterwards
33 					//    N .. black frame
34 					//    L .. simply copy last frame (if lost frames)
35     					// A: 0 .. Uncompressed (44100/sec 16bit 2ch)
36     					//    1 .. lzo compression [NI]
37     					//    2 .. layer2 (packet) [NI]
38     					//    3 .. layer3 (packet) [NI]
39     					//    F .. flac (lossless) [NI]
40     					//    S .. shorten (lossless) [NI]
41 					//    N .. null frame loudless
42 					//    L .. simply copy last frame (may sound bad) NI
43 					// S: B .. Audio and Video sync point [NI]
44                                         //    A .. Audio Sync Information
45 					//         timecode == effective dsp-frequency*100
46 					//         when reaching this audio sync point
47 					//         because many cheap soundcards are unexact
48 					//         and have a range from 44000 to 44250
49 					//         instead of the expected exact 44100 S./sec
50 					//    V .. Next Video Sync
51 					//         timecode == next video framenumber
52 					//    S .. Audio,Video,Text Correlation [NI]
53    char keyframe;			//    0 .. keyframe
54 					//    1 .. nr of frame in gop => no keyframe
55 
56    char filters;			//    Every bit stands for one type of filter
57 					//    1 .. Gauss 5 Pixel (8*m+2*l+2*r+2*a+2*b)/16 [NYI]
58 					//    2 .. Gauss 5 Pixel (8*m+1*l+1*r+1*a+1*b)/12 [NYI]
59 					//    4 .. Cartoon Filter   [NI]
60 					//    8 .. Reserverd Filter [NI]
61 					//   16 .. Reserverd Filter [NI]
62 					//   32 .. Reserverd Filter [NI]
63 					//   64 .. Reserverd Filter [NI]
64 					//  128 .. Reserverd Filter [NI]
65 
66    int  timecode;			// Timecodeinformation sec*1000 + msecs
67 
68    int  packetlength;                   // V,A,T: length of following data in stream
69    					// S:     length of packet correl. information [NI]
70    					// R:     do not use here! (fixed 'RTjjjjjjjjjjjjjj')
71 } rtframeheader;
72 
73 #define FRAMEHEADERSIZE sizeof(rtframeheader)
74 #define FILEHEADERSIZE  sizeof(rtfileheader)
75 
76 typedef struct vidbuffertype
77 {
78     int sample;
79     int timecode;
80     int freeToEncode;
81     int freeToBuffer;
82     unsigned char *buffer_offset;
83 } vidbuffertyp;
84 
85 typedef struct audbuffertype
86 {
87     int sample;
88     int timecode;
89     int freeToEncode;
90     int freeToBuffer;
91     unsigned char *buffer_offset;
92 } audbuffertyp;
93 
94