FFmpeg
Loading...
Searching...
No Matches
nut.c
Go to the documentation of this file.
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
29const 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
39const AVCodecTag ff_nut_data_tags[] = {
40 { AV_CODEC_ID_TEXT, MKTAG('U', 'T', 'F', '8') },
41 { AV_CODEC_ID_NONE, 0 }
42};
43
44const 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
222const 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
232const 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
265
266void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val)
267{
268 int i;
269 for (i = 0; i < nut->avf->nb_streams; i++)
270 nut->stream[i].last_pts =
271 av_rescale_rnd(val,
272 time_base.num * (int64_t)nut->stream[i].time_base->den,
273 time_base.den * (int64_t)nut->stream[i].time_base->num,
274 AV_ROUND_DOWN);
275}
276
277int64_t ff_lsb2full(StreamContext *stream, int64_t lsb)
278{
279 int64_t mask = (1ULL << stream->msb_pts_shift) - 1;
280 int64_t delta = stream->last_pts - mask / 2;
281 return ((lsb - delta) & mask) + delta;
282}
283
284int ff_nut_sp_pos_cmp(const void *a, const void *b)
285{
286 const Syncpoint *va = a, *vb = b;
287 return ((va->pos - vb->pos) >> 32) - ((vb->pos - va->pos) >> 32);
288}
289
290int ff_nut_sp_pts_cmp(const void *a, const void *b)
291{
292 const Syncpoint *va = a, *vb = b;
293 return ((va->ts - vb->ts) >> 32) - ((vb->ts - va->ts) >> 32);
294}
295
296int ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts)
297{
298 Syncpoint *sp = av_mallocz(sizeof(Syncpoint));
299 struct AVTreeNode *node = av_tree_node_alloc();
300
301 if (!sp || !node) {
302 av_freep(&sp);
303 av_freep(&node);
304 return AVERROR(ENOMEM);
305 }
306
307 nut->sp_count++;
308
309 sp->pos = pos;
310 sp->back_ptr = back_ptr;
311 sp->ts = ts;
312 av_tree_insert(&nut->syncpoints, sp, ff_nut_sp_pos_cmp, &node);
313 if (node) {
314 av_free(sp);
315 av_free(node);
316 }
317
318 return 0;
319}
320
321static int enu_free(void *opaque, void *elem)
322{
323 av_free(elem);
324 return 0;
325}
326
327void ff_nut_free_sp(NUTContext *nut)
328{
329 if (nut->syncpoints) {
330 av_tree_enumerate(nut->syncpoints, NULL, NULL, enu_free);
331 av_tree_destroy(nut->syncpoints);
332 }
333}
334
335const 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
345const 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};
val
static double val(void *priv, double ch)
Definition aeval.c:77
AV_DISPOSITION_LYRICS
#define AV_DISPOSITION_LYRICS
The stream contains song lyrics.
Definition avformat.h:661
AV_DISPOSITION_COMMENT
#define AV_DISPOSITION_COMMENT
The stream is a commentary track.
Definition avformat.h:657
AV_DISPOSITION_KARAOKE
#define AV_DISPOSITION_KARAOKE
The stream contains karaoke audio.
Definition avformat.h:665
AV_DISPOSITION_DUB
#define AV_DISPOSITION_DUB
The stream is not in original language.
Definition avformat.h:647
AV_DISPOSITION_ORIGINAL
#define AV_DISPOSITION_ORIGINAL
The stream is in original language.
Definition avformat.h:653
AV_DISPOSITION_DEFAULT
#define AV_DISPOSITION_DEFAULT
The stream should be chosen by default among other streams of the same type, unless the user has expl...
Definition avformat.h:639
enu_free
static int enu_free(void *opaque, void *elem)
Definition cache.c:295
i
#define i(width, name, range_min, range_max)
Definition cbs_h264.c:63
NULL
#define NULL
Definition coverity.c:32
int64_t
long long int64_t
Definition coverity.c:34
AV_CODEC_ID_PCM_F32LE
@ AV_CODEC_ID_PCM_F32LE
Definition codec_id.h:351
AV_CODEC_ID_PCM_S24BE
@ AV_CODEC_ID_PCM_S24BE
Definition codec_id.h:343
AV_CODEC_ID_PCM_S64BE
@ AV_CODEC_ID_PCM_S64BE
Definition codec_id.h:362
AV_CODEC_ID_DVB_SUBTITLE
@ AV_CODEC_ID_DVB_SUBTITLE
Definition codec_id.h:567
AV_CODEC_ID_RAWVIDEO
@ AV_CODEC_ID_RAWVIDEO
Definition codec_id.h:63
AV_CODEC_ID_PCM_S16BE_PLANAR
@ AV_CODEC_ID_PCM_S16BE_PLANAR
Definition codec_id.h:360
AV_CODEC_ID_PCM_U8
@ AV_CODEC_ID_PCM_U8
Definition codec_id.h:335
AV_CODEC_ID_PCM_S16LE
@ AV_CODEC_ID_PCM_S16LE
Definition codec_id.h:330
AV_CODEC_ID_PCM_S32LE_PLANAR
@ AV_CODEC_ID_PCM_S32LE_PLANAR
Definition codec_id.h:359
AV_CODEC_ID_DVD_SUBTITLE
@ AV_CODEC_ID_DVD_SUBTITLE
Definition codec_id.h:566
AV_CODEC_ID_PCM_F32BE
@ AV_CODEC_ID_PCM_F32BE
Definition codec_id.h:350
AV_CODEC_ID_GIF
@ AV_CODEC_ID_GIF
Definition codec_id.h:147
AV_CODEC_ID_TEXT
@ AV_CODEC_ID_TEXT
raw UTF-8 text
Definition codec_id.h:568
AV_CODEC_ID_NONE
@ AV_CODEC_ID_NONE
Definition codec_id.h:48
AV_CODEC_ID_CPIA
@ AV_CODEC_ID_CPIA
Definition codec_id.h:256
AV_CODEC_ID_PCM_S24LE_PLANAR
@ AV_CODEC_ID_PCM_S24LE_PLANAR
Definition codec_id.h:358
AV_CODEC_ID_PCM_S16BE
@ AV_CODEC_ID_PCM_S16BE
Definition codec_id.h:331
AV_CODEC_ID_PCM_S24LE
@ AV_CODEC_ID_PCM_S24LE
Definition codec_id.h:342
AV_CODEC_ID_PCM_U24BE
@ AV_CODEC_ID_PCM_U24BE
Definition codec_id.h:345
AV_CODEC_ID_PCM_S32LE
@ AV_CODEC_ID_PCM_S32LE
Definition codec_id.h:338
AV_CODEC_ID_PCM_S8
@ AV_CODEC_ID_PCM_S8
Definition codec_id.h:334
AV_CODEC_ID_PCM_U32LE
@ AV_CODEC_ID_PCM_U32LE
Definition codec_id.h:340
AV_CODEC_ID_PCM_ALAW
@ AV_CODEC_ID_PCM_ALAW
Definition codec_id.h:337
AV_CODEC_ID_PCM_F64LE
@ AV_CODEC_ID_PCM_F64LE
Definition codec_id.h:353
AV_CODEC_ID_XFACE
@ AV_CODEC_ID_XFACE
Definition codec_id.h:257
AV_CODEC_ID_COMFORT_NOISE
@ AV_CODEC_ID_COMFORT_NOISE
Definition codec_id.h:514
AV_CODEC_ID_PCM_U16BE
@ AV_CODEC_ID_PCM_U16BE
Definition codec_id.h:333
AV_CODEC_ID_ASS
@ AV_CODEC_ID_ASS
Definition codec_id.h:588
AV_CODEC_ID_HEVC
@ AV_CODEC_ID_HEVC
Definition codec_id.h:223
AV_CODEC_ID_PCM_S64LE
@ AV_CODEC_ID_PCM_S64LE
Definition codec_id.h:361
AV_CODEC_ID_PCM_F64BE
@ AV_CODEC_ID_PCM_F64BE
Definition codec_id.h:352
AV_CODEC_ID_DVB_TELETEXT
@ AV_CODEC_ID_DVB_TELETEXT
Definition codec_id.h:573
AV_CODEC_ID_PCM_S32BE
@ AV_CODEC_ID_PCM_S32BE
Definition codec_id.h:339
AV_CODEC_ID_PCM_S16LE_PLANAR
@ AV_CODEC_ID_PCM_S16LE_PLANAR
Definition codec_id.h:348
AV_CODEC_ID_PCM_U24LE
@ AV_CODEC_ID_PCM_U24LE
Definition codec_id.h:344
AV_CODEC_ID_WAVPACK
@ AV_CODEC_ID_WAVPACK
Definition codec_id.h:478
AV_CODEC_ID_MP3
@ AV_CODEC_ID_MP3
preferred ID for decoding MPEG audio layer 1, 2 or 3
Definition codec_id.h:454
AV_CODEC_ID_VP9
@ AV_CODEC_ID_VP9
Definition codec_id.h:217
AV_CODEC_ID_OPUS
@ AV_CODEC_ID_OPUS
Definition codec_id.h:513
AV_CODEC_ID_PCM_U16LE
@ AV_CODEC_ID_PCM_U16LE
Definition codec_id.h:332
AV_CODEC_ID_PCM_S8_PLANAR
@ AV_CODEC_ID_PCM_S8_PLANAR
Definition codec_id.h:357
AV_CODEC_ID_PCM_U32BE
@ AV_CODEC_ID_PCM_U32BE
Definition codec_id.h:341
AV_CODEC_ID_PCM_MULAW
@ AV_CODEC_ID_PCM_MULAW
Definition codec_id.h:336
AVERROR
#define AVERROR(e)
Definition error.h:45
av_rescale_rnd
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
Rescale a 64-bit integer with specified rounding.
Definition mathematics.c:58
AV_ROUND_DOWN
@ AV_ROUND_DOWN
Round toward -infinity.
Definition mathematics.h:133
av_tree_enumerate
void av_tree_enumerate(AVTreeNode *t, void *opaque, int(*cmp)(void *opaque, void *elem), int(*enu)(void *opaque, void *elem))
Apply enu(opaque, &elem) to all the elements in the tree in a given range.
Definition tree.c:155
av_tree_insert
void * av_tree_insert(AVTreeNode **tp, void *key, int(*cmp)(const void *key, const void *b), AVTreeNode **next)
Insert or remove an element.
Definition tree.c:59
av_tree_destroy
void av_tree_destroy(AVTreeNode *t)
Definition tree.c:146
av_tree_node_alloc
struct AVTreeNode * av_tree_node_alloc(void)
Allocate an AVTreeNode.
Definition tree.c:34
a
int a
Definition h264pred_template.c:416
b
#define b
Definition input.c:43
mask
static const uint16_t mask[17]
Definition lzw.c:38
MKTAG
#define MKTAG(a, b, c, d)
Definition macros.h:55
mem.h
Memory handling functions.
enu_free
static int enu_free(void *opaque, void *elem)
Definition nut.c:321
ff_nut_audio_tags
const AVCodecTag ff_nut_audio_tags[]
Definition nut.c:232
ff_nut_video_tags
const AVCodecTag ff_nut_video_tags[]
Definition nut.c:44
ff_nut_reset_ts
void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val)
Definition nut.c:266
ff_nut_sp_pos_cmp
int ff_nut_sp_pos_cmp(const void *a, const void *b)
Definition nut.c:284
ff_lsb2full
int64_t ff_lsb2full(StreamContext *stream, int64_t lsb)
Definition nut.c:277
ff_nut_add_sp
int ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts)
Definition nut.c:296
ff_nut_sp_pts_cmp
int ff_nut_sp_pts_cmp(const void *a, const void *b)
Definition nut.c:290
ff_nut_data_tags
const AVCodecTag ff_nut_data_tags[]
Definition nut.c:39
ff_nut_codec_tags
const AVCodecTag *const ff_nut_codec_tags[]
Definition nut.c:261
ff_nut_free_sp
void ff_nut_free_sp(NUTContext *nut)
Definition nut.c:327
ff_nut_audio_extra_tags
const AVCodecTag ff_nut_audio_extra_tags[]
Definition nut.c:222
ff_nut_dispositions
const Dispositions ff_nut_dispositions[]
Definition nut.c:335
ff_nut_subtitle_tags
const AVCodecTag ff_nut_subtitle_tags[]
Definition nut.c:29
ff_nut_metadata_conv
const AVMetadataConv ff_nut_metadata_conv[]
Definition nut.c:345
ff_codec_bmp_tags
const AVCodecTag ff_codec_bmp_tags[]
Definition riff.c:36
ff_codec_wav_tags
const AVCodecTag ff_codec_wav_tags[]
Definition riff.c:525
riff.h
internal header for RIFF based (de)muxers do NOT include this in end user applications
pos
unsigned int pos
Definition spdifenc.c:431
AVFormatContext::nb_streams
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition avformat.h:1389
AVRational
Rational number (pair of numerator and denominator).
Definition rational.h:58
AVRational::num
int num
Numerator.
Definition rational.h:59
AVRational::den
int den
Denominator.
Definition rational.h:60
AVTreeNode::elem
void * elem
Definition tree.c:28
NUTContext::stream
StreamContext * stream
Definition nut.h:100
NUTContext::avf
AVFormatContext * avf
Definition nut.h:93
NUTContext::syncpoints
struct AVTreeNode * syncpoints
Definition nut.h:108
NUTContext::sp_count
int sp_count
Definition nut.h:109
StreamContext::time_base
AVRational time_base
Definition signature.h:102
StreamContext::msb_pts_shift
int msb_pts_shift
Definition nut.h:81
StreamContext::last_pts
int64_t last_pts
Definition nut.h:78
Syncpoint::ts
int64_t ts
Definition nut.h:62
Syncpoint::back_ptr
uint64_t back_ptr
Definition nut.h:60
Syncpoint::pos
uint64_t pos
Definition nut.h:59
av_free
#define av_free(p)
Definition tableprint_vlc.h:34
av_mallocz
#define av_mallocz(s)
Definition tableprint_vlc.h:31
av_freep
#define av_freep(p)
Definition tableprint_vlc.h:35
tree.h
A tree container.
delta
float delta
Definition vorbis_enc_data.h:430
Generated on Mon Aug 24 2026 19:21:11 for FFmpeg by doxygen 1.13.2