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