Coverage Report

Created: 2026-02-14 06:59

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/ffmpeg/libavformat/nut.c
Line
Count
Source
1
/*
2
 * nut
3
 * Copyright (c) 2004-2007 Michael Niedermayer
4
 *
5
 * This file is part of FFmpeg.
6
 *
7
 * FFmpeg is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10
 * version 2.1 of the License, or (at your option) any later version.
11
 *
12
 * FFmpeg is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU Lesser General Public
18
 * License along with FFmpeg; if not, write to the Free Software
19
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20
 */
21
22
#include "libavutil/mathematics.h"
23
#include "libavutil/mem.h"
24
#include "libavutil/tree.h"
25
#include "nut.h"
26
#include "riff.h"
27
#include "internal.h"
28
29
const AVCodecTag ff_nut_subtitle_tags[] = {
30
    { AV_CODEC_ID_TEXT,             MKTAG('U', 'T', 'F', '8') },
31
    { AV_CODEC_ID_ASS,              MKTAG('S', 'S', 'A',  0 ) },
32
    { AV_CODEC_ID_ASS,              MKTAG('A', 'S', 'S',  0 ) },
33
    { AV_CODEC_ID_DVD_SUBTITLE,     MKTAG('D', 'V', 'D', 'S') },
34
    { AV_CODEC_ID_DVB_SUBTITLE,     MKTAG('D', 'V', 'B', 'S') },
35
    { AV_CODEC_ID_DVB_TELETEXT,     MKTAG('D', 'V', 'B', 'T') },
36
    { AV_CODEC_ID_NONE,             0                         }
37
};
38
39
const AVCodecTag ff_nut_data_tags[] = {
40
    { AV_CODEC_ID_TEXT,             MKTAG('U', 'T', 'F', '8') },
41
    { AV_CODEC_ID_NONE,             0 }
42
};
43
44
const AVCodecTag ff_nut_video_tags[] = {
45
    { AV_CODEC_ID_GIF,              MKTAG('G', 'I', 'F',  0 ) },
46
    { AV_CODEC_ID_XFACE,            MKTAG('X', 'F', 'A', 'C') },
47
    { AV_CODEC_ID_VP9,              MKTAG('V', 'P', '9', '0') },
48
    { AV_CODEC_ID_HEVC,             MKTAG('H', 'E', 'V', 'C') },
49
    { AV_CODEC_ID_CPIA,             MKTAG('C', 'P', 'i', 'A') },
50
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B', 15 ) },
51
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R', 15 ) },
52
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B', 16 ) },
53
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R', 16 ) },
54
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(15 , 'B', 'G', 'R') },
55
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(15 , 'R', 'G', 'B') },
56
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16 , 'B', 'G', 'R') },
57
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16 , 'R', 'G', 'B') },
58
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B', 12 ) },
59
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R', 12 ) },
60
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(12 , 'B', 'G', 'R') },
61
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(12 , 'R', 'G', 'B') },
62
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B', 'A') },
63
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B',  0 ) },
64
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R', 'A') },
65
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R',  0 ) },
66
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('A', 'B', 'G', 'R') },
67
    { AV_CODEC_ID_RAWVIDEO,         MKTAG( 0 , 'B', 'G', 'R') },
68
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('A', 'R', 'G', 'B') },
69
    { AV_CODEC_ID_RAWVIDEO,         MKTAG( 0 , 'R', 'G', 'B') },
70
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B', 24 ) },
71
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R', 24 ) },
72
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '1', '1', 'P') },
73
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '2', '2', 'P') },
74
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '2', '2', 'P') },
75
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '4', '0', 'P') },
76
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '4', '0', 'P') },
77
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '4', '4', 'P') },
78
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('4', '4', '4', 'P') },
79
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', '1', 'W', '0') },
80
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', '0', 'W', '1') },
81
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R',  8 ) },
82
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B',  8 ) },
83
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R',  4 ) },
84
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B',  4 ) },
85
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', '4', 'B', 'Y') },
86
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', '4', 'B', 'Y') },
87
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'G', 'R', 48 ) },
88
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'G', 'B', 48 ) },
89
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(48 , 'B', 'G', 'R') },
90
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(48 , 'R', 'G', 'B') },
91
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('R', 'B', 'A', 64 ) },
92
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('B', 'R', 'A', 64 ) },
93
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(64 , 'R', 'B', 'A') },
94
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(64 , 'B', 'R', 'A') },
95
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3', 11 ,  9 ) },
96
    { AV_CODEC_ID_RAWVIDEO,         MKTAG( 9 , 11 , '3', 'Y') },
97
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3', 10 ,  9 ) },
98
    { AV_CODEC_ID_RAWVIDEO,         MKTAG( 9 , 10 , '3', 'Y') },
99
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3',  0 ,  9 ) },
100
    { AV_CODEC_ID_RAWVIDEO,         MKTAG( 9 ,  0 , '3', 'Y') },
101
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3', 11 , 10 ) },
102
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(10 , 11 , '3', 'Y') },
103
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3', 10 , 10 ) },
104
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(10 , 10 , '3', 'Y') },
105
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3',  0 , 10 ) },
106
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(10 ,  0 , '3', 'Y') },
107
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3', 11 , 12 ) },
108
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(12 , 11 , '3', 'Y') },
109
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3', 10 , 12 ) },
110
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(12 , 10 , '3', 'Y') },
111
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3',  0 , 12 ) },
112
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(12 ,  0 , '3', 'Y') },
113
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3', 11 , 14 ) },
114
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(14 , 11 , '3', 'Y') },
115
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3', 10 , 14 ) },
116
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(14 , 10 , '3', 'Y') },
117
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3',  0 , 14 ) },
118
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(14 ,  0 , '3', 'Y') },
119
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '1',  0 , 16 ) },
120
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16 ,  0 , '1', 'Y') },
121
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3', 11 , 16 ) },
122
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16 , 11 , '3', 'Y') },
123
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3', 10 , 16 ) },
124
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16 , 10 , '3', 'Y') },
125
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '3',  0 , 16 ) },
126
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16 ,  0 , '3', 'Y') },
127
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4', 11 ,  8 ) },
128
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4', 10 ,  8 ) },
129
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  0 ,  8 ) },
130
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '2',  0 ,  8 ) },
131
132
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '1',   0,   9) },
133
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(9,     0, '1', 'Y') },
134
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  11,   9) },
135
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(9,    11, '4', 'Y') },
136
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  10,   9) },
137
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(9,    10, '4', 'Y') },
138
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',   0,   9) },
139
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(9,     0, '4', 'Y') },
140
141
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '1',   0,  10) },
142
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,    0, '1', 'Y') },
143
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  11,  10) },
144
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,   11, '4', 'Y') },
145
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  10,  10) },
146
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,   10, '4', 'Y') },
147
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',   0,  10) },
148
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,    0, '4', 'Y') },
149
150
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',   0,  12) },
151
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(12,    0, '4', 'Y') },
152
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  10,  12) },
153
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(12,   10, '4', 'Y') },
154
155
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '1',   0,  12) },
156
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(12,    0, '1', 'Y') },
157
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '1',   0,  16) },
158
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,    0, '1', 'Y') },
159
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  11,  16) },
160
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,   11, '4', 'Y') },
161
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',  10,  16) },
162
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,   10, '4', 'Y') },
163
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '4',   0,  16) },
164
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,    0, '4', 'Y') },
165
166
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('Y', '1',   0,  14) },
167
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(14,    0, '1', 'Y') },
168
169
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '3',   0,   8) },
170
171
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '3',   0,   9) },
172
    { AV_CODEC_ID_RAWVIDEO,         MKTAG( 9,    0, '3', 'G') },
173
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '3',   0,  10) },
174
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(10,    0, '3', 'G') },
175
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '3',   0,  12) },
176
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(12,    0, '3', 'G') },
177
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '3',   0,  14) },
178
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(14,    0, '3', 'G') },
179
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '3',   0,  16) },
180
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16,    0, '3', 'G') },
181
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '3',   0,  17) },
182
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(17 ,  0 , '3', 'G') },
183
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '3',   0,  33) },
184
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(33 ,  0 , '3', 'G') },
185
186
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '4',   0,   8) },
187
188
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '4', 00 , 10 ) },
189
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(10 , 00 , '4', 'G') },
190
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '4', 00 , 12 ) },
191
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(12 , 00 , '4', 'G') },
192
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '4', 00 , 14 ) },
193
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(14 , 00 , '4', 'G') },
194
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '4', 00 , 16 ) },
195
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(16 , 00 , '4', 'G') },
196
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '4',   0,  17) },
197
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(17 ,  0 , '4', 'G') },
198
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('G', '4',   0,  33) },
199
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(33 ,  0 , '4', 'G') },
200
201
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('X', 'Y', 'Z' , 36 ) },
202
    { AV_CODEC_ID_RAWVIDEO,         MKTAG(36 , 'Z' , 'Y', 'X') },
203
204
    { AV_CODEC_ID_RAWVIDEO,         MKTAG('P', 'A', 'L', 8 ) },
205
206
    { AV_CODEC_ID_RAWVIDEO, MKTAG(0xBA, 'B', 'G', 8   ) },
207
    { AV_CODEC_ID_RAWVIDEO, MKTAG(0xBA, 'B', 'G', 16  ) },
208
    { AV_CODEC_ID_RAWVIDEO, MKTAG(16  , 'G', 'B', 0xBA) },
209
    { AV_CODEC_ID_RAWVIDEO, MKTAG(0xBA, 'R', 'G', 8   ) },
210
    { AV_CODEC_ID_RAWVIDEO, MKTAG(0xBA, 'R', 'G', 16  ) },
211
    { AV_CODEC_ID_RAWVIDEO, MKTAG(16  , 'G', 'R', 0xBA) },
212
    { AV_CODEC_ID_RAWVIDEO, MKTAG(0xBA, 'G', 'B', 8   ) },
213
    { AV_CODEC_ID_RAWVIDEO, MKTAG(0xBA, 'G', 'B', 16  ) },
214
    { AV_CODEC_ID_RAWVIDEO, MKTAG(16,   'B', 'G', 0xBA) },
215
    { AV_CODEC_ID_RAWVIDEO, MKTAG(0xBA, 'G', 'R', 8   ) },
216
    { AV_CODEC_ID_RAWVIDEO, MKTAG(0xBA, 'G', 'R', 16  ) },
217
    { AV_CODEC_ID_RAWVIDEO, MKTAG(16,   'R', 'G', 0xBA) },
218
219
    { AV_CODEC_ID_NONE,             0 }
220
};
221
222
const AVCodecTag ff_nut_audio_extra_tags[] = {
223
    { AV_CODEC_ID_COMFORT_NOISE,    MKTAG('3', '3', '8', '9') },
224
    { AV_CODEC_ID_PCM_ALAW,         MKTAG('A', 'L', 'A', 'W') },
225
    { AV_CODEC_ID_PCM_MULAW,        MKTAG('U', 'L', 'A', 'W') },
226
    { AV_CODEC_ID_MP3,              MKTAG('M', 'P', '3', ' ') },
227
    { AV_CODEC_ID_OPUS,             MKTAG('O', 'p', 'u', 's') },
228
    { AV_CODEC_ID_WAVPACK,          MKTAG('w', 'v', 'p', 'k') },
229
    { AV_CODEC_ID_NONE,             0                         }
230
};
231
232
const AVCodecTag ff_nut_audio_tags[] = {
233
    { AV_CODEC_ID_PCM_F32BE,        MKTAG(32 , 'D', 'F', 'P') },
234
    { AV_CODEC_ID_PCM_F32LE,        MKTAG('P', 'F', 'D', 32 ) },
235
    { AV_CODEC_ID_PCM_F64BE,        MKTAG(64 , 'D', 'F', 'P') },
236
    { AV_CODEC_ID_PCM_F64LE,        MKTAG('P', 'F', 'D', 64 ) },
237
    { AV_CODEC_ID_PCM_S16BE,        MKTAG(16 , 'D', 'S', 'P') },
238
    { AV_CODEC_ID_PCM_S16LE,        MKTAG('P', 'S', 'D', 16 ) },
239
    { AV_CODEC_ID_PCM_S24BE,        MKTAG(24 , 'D', 'S', 'P') },
240
    { AV_CODEC_ID_PCM_S24LE,        MKTAG('P', 'S', 'D', 24 ) },
241
    { AV_CODEC_ID_PCM_S32BE,        MKTAG(32 , 'D', 'S', 'P') },
242
    { AV_CODEC_ID_PCM_S32LE,        MKTAG('P', 'S', 'D', 32 ) },
243
    { AV_CODEC_ID_PCM_S64BE,        MKTAG(64 , 'D', 'S', 'P') },
244
    { AV_CODEC_ID_PCM_S64LE,        MKTAG('P', 'S', 'D', 64 ) },
245
    { AV_CODEC_ID_PCM_S8,           MKTAG('P', 'S', 'D',  8 ) },
246
    { AV_CODEC_ID_PCM_U16BE,        MKTAG(16 , 'D', 'U', 'P') },
247
    { AV_CODEC_ID_PCM_U16LE,        MKTAG('P', 'U', 'D', 16 ) },
248
    { AV_CODEC_ID_PCM_U24BE,        MKTAG(24 , 'D', 'U', 'P') },
249
    { AV_CODEC_ID_PCM_U24LE,        MKTAG('P', 'U', 'D', 24 ) },
250
    { AV_CODEC_ID_PCM_U32BE,        MKTAG(32 , 'D', 'U', 'P') },
251
    { AV_CODEC_ID_PCM_U32LE,        MKTAG('P', 'U', 'D', 32 ) },
252
    { AV_CODEC_ID_PCM_U8,           MKTAG('P', 'U', 'D',  8 ) },
253
    { AV_CODEC_ID_PCM_S8_PLANAR,    MKTAG('P', 'S', 'P',  8 ) },
254
    { AV_CODEC_ID_PCM_S16BE_PLANAR, MKTAG(16 , 'P', 'S', 'P') },
255
    { AV_CODEC_ID_PCM_S16LE_PLANAR, MKTAG('P', 'S', 'P', 16 ) },
256
    { AV_CODEC_ID_PCM_S24LE_PLANAR, MKTAG('P', 'S', 'P', 24 ) },
257
    { AV_CODEC_ID_PCM_S32LE_PLANAR, MKTAG('P', 'S', 'P', 32 ) },
258
    { AV_CODEC_ID_NONE,             0                         }
259
};
260
261
const AVCodecTag * const ff_nut_codec_tags[] = {
262
    ff_nut_video_tags, ff_nut_audio_tags, ff_nut_subtitle_tags,
263
    ff_codec_bmp_tags, ff_codec_wav_tags, ff_nut_audio_extra_tags, ff_nut_data_tags, 0
264
};
265
266
void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val)
267
0
{
268
0
    int i;
269
0
    for (i = 0; i < nut->avf->nb_streams; i++)
270
0
        nut->stream[i].last_pts =
271
0
            av_rescale_rnd(val,
272
0
                           time_base.num * (int64_t)nut->stream[i].time_base->den,
273
0
                           time_base.den * (int64_t)nut->stream[i].time_base->num,
274
0
                           AV_ROUND_DOWN);
275
0
}
276
277
int64_t ff_lsb2full(StreamContext *stream, int64_t lsb)
278
0
{
279
0
    int64_t mask  = (1ULL << stream->msb_pts_shift) - 1;
280
0
    int64_t delta = stream->last_pts - mask / 2;
281
0
    return ((lsb - delta) & mask) + delta;
282
0
}
283
284
int ff_nut_sp_pos_cmp(const void *a, const void *b)
285
0
{
286
0
    const Syncpoint *va = a, *vb = b;
287
0
    return ((va->pos - vb->pos) >> 32) - ((vb->pos - va->pos) >> 32);
288
0
}
289
290
int ff_nut_sp_pts_cmp(const void *a, const void *b)
291
0
{
292
0
    const Syncpoint *va = a, *vb = b;
293
0
    return ((va->ts - vb->ts) >> 32) - ((vb->ts - va->ts) >> 32);
294
0
}
295
296
int ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts)
297
0
{
298
0
    Syncpoint *sp           = av_mallocz(sizeof(Syncpoint));
299
0
    struct AVTreeNode *node = av_tree_node_alloc();
300
301
0
    if (!sp || !node) {
302
0
        av_freep(&sp);
303
0
        av_freep(&node);
304
0
        return AVERROR(ENOMEM);
305
0
    }
306
307
0
    nut->sp_count++;
308
309
0
    sp->pos      = pos;
310
0
    sp->back_ptr = back_ptr;
311
0
    sp->ts       = ts;
312
0
    av_tree_insert(&nut->syncpoints, sp, ff_nut_sp_pos_cmp, &node);
313
0
    if (node) {
314
0
        av_free(sp);
315
0
        av_free(node);
316
0
    }
317
318
0
    return 0;
319
0
}
320
321
static int enu_free(void *opaque, void *elem)
322
0
{
323
0
    av_free(elem);
324
0
    return 0;
325
0
}
326
327
void ff_nut_free_sp(NUTContext *nut)
328
3.88k
{
329
3.88k
    if (nut->syncpoints) {
330
0
        av_tree_enumerate(nut->syncpoints, NULL, NULL, enu_free);
331
0
        av_tree_destroy(nut->syncpoints);
332
0
    }
333
3.88k
}
334
335
const Dispositions ff_nut_dispositions[] = {
336
    { "default",        AV_DISPOSITION_DEFAULT  },
337
    { "dub",            AV_DISPOSITION_DUB      },
338
    { "original",       AV_DISPOSITION_ORIGINAL },
339
    { "comment",        AV_DISPOSITION_COMMENT  },
340
    { "lyrics",         AV_DISPOSITION_LYRICS   },
341
    { "karaoke",        AV_DISPOSITION_KARAOKE  },
342
    { "",               0                       }
343
};
344
345
const AVMetadataConv ff_nut_metadata_conv[] = {
346
    { "Author",         "artist"      },
347
    { "X-CreationTime", "date"        },
348
    { "CreationTime",   "date"        },
349
    { "SourceFilename", "filename"    },
350
    { "X-Language",     "language"    },
351
    { "X-Disposition",  "disposition" },
352
    { "X-Replaces",     "replaces"    },
353
    { "X-Depends",      "depends"     },
354
    { "X-Uses",         "uses"        },
355
    { "X-UsesFont",     "usesfont"    },
356
    { 0 },
357
};