Libav
nut.c
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1 /*
2  * nut
3  * Copyright (c) 2004-2007 Michael Niedermayer
4  *
5  * This file is part of Libav.
6  *
7  * Libav 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  * Libav 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 Libav; 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/tree.h"
24 #include "nut.h"
25 #include "riff.h"
26 #include "internal.h"
27 
29  { AV_CODEC_ID_TEXT, MKTAG('U', 'T', 'F', '8') },
30  { AV_CODEC_ID_SSA, MKTAG('S', 'S', 'A', 0) },
31  { AV_CODEC_ID_DVD_SUBTITLE, MKTAG('D', 'V', 'D', 'S') },
32  { AV_CODEC_ID_DVB_SUBTITLE, MKTAG('D', 'V', 'B', 'S') },
33  { AV_CODEC_ID_NONE, 0 }
34 };
35 
37  { AV_CODEC_ID_TEXT, MKTAG('U', 'T', 'F', '8') },
38  { AV_CODEC_ID_NONE, 0 }
39 };
40 
42  { AV_CODEC_ID_VP9, MKTAG('V', 'P', '9', '0') },
43  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 15) },
44  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 15) },
45  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 16) },
46  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 16) },
47  { AV_CODEC_ID_RAWVIDEO, MKTAG(15, 'B', 'G', 'R') },
48  { AV_CODEC_ID_RAWVIDEO, MKTAG(15, 'R', 'G', 'B') },
49  { AV_CODEC_ID_RAWVIDEO, MKTAG(16, 'B', 'G', 'R') },
50  { AV_CODEC_ID_RAWVIDEO, MKTAG(16, 'R', 'G', 'B') },
51  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 12) },
52  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 12) },
53  { AV_CODEC_ID_RAWVIDEO, MKTAG(12, 'B', 'G', 'R') },
54  { AV_CODEC_ID_RAWVIDEO, MKTAG(12, 'R', 'G', 'B') },
55  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
56  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
57  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
58  { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'R', 'G', 'B') },
59  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 24) },
60  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 24) },
61  { AV_CODEC_ID_RAWVIDEO, MKTAG('4', '1', '1', 'P') },
62  { AV_CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') },
63  { AV_CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') },
64  { AV_CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') },
65  { AV_CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') },
66  { AV_CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') },
67  { AV_CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') },
68  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '1', 'W', '0') },
69  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '0', 'W', '1') },
70  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 8) },
71  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 8) },
72  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 4) },
73  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 4) },
74  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', '4', 'B', 'Y') },
75  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', '4', 'B', 'Y') },
76  { AV_CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 48) },
77  { AV_CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 48) },
78  { AV_CODEC_ID_RAWVIDEO, MKTAG(48, 'B', 'G', 'R') },
79  { AV_CODEC_ID_RAWVIDEO, MKTAG(48, 'R', 'G', 'B') },
80  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11, 10) },
81  { AV_CODEC_ID_RAWVIDEO, MKTAG(10, 11, '3', 'Y') },
82  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10, 10) },
83  { AV_CODEC_ID_RAWVIDEO, MKTAG(10, 10, '3', 'Y') },
84  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 0, 10) },
85  { AV_CODEC_ID_RAWVIDEO, MKTAG(10, 0, '3', 'Y') },
86  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '1', 0, 16) },
87  { AV_CODEC_ID_RAWVIDEO, MKTAG(16, 0, '1', 'Y') },
88  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11, 16) },
89  { AV_CODEC_ID_RAWVIDEO, MKTAG(16, 11, '3', 'Y') },
90  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10, 16) },
91  { AV_CODEC_ID_RAWVIDEO, MKTAG(16, 10, '3', 'Y') },
92  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 0, 16) },
93  { AV_CODEC_ID_RAWVIDEO, MKTAG(16, 0, '3', 'Y') },
94  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11, 8) },
95  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '2', 0, 8) },
96 
97  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '1', 0, 9) },
98  { AV_CODEC_ID_RAWVIDEO, MKTAG(9, 0, '1', 'Y') },
99  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11, 9) },
100  { AV_CODEC_ID_RAWVIDEO, MKTAG(9, 11, '4', 'Y') },
101  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 10, 9) },
102  { AV_CODEC_ID_RAWVIDEO, MKTAG(9, 10, '4', 'Y') },
103  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 0, 9) },
104  { AV_CODEC_ID_RAWVIDEO, MKTAG(9, 0, '4', 'Y') },
105 
106  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '1', 0, 10) },
107  { AV_CODEC_ID_RAWVIDEO, MKTAG(10, 0, '1', 'Y') },
108  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11, 10) },
109  { AV_CODEC_ID_RAWVIDEO, MKTAG(10, 11, '4', 'Y') },
110  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 10, 10) },
111  { AV_CODEC_ID_RAWVIDEO, MKTAG(10, 10, '4', 'Y') },
112  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 0, 10) },
113  { AV_CODEC_ID_RAWVIDEO, MKTAG(10, 0, '4', 'Y') },
114 
115  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '1', 0, 16) },
116  { AV_CODEC_ID_RAWVIDEO, MKTAG(16, 0, '1', 'Y') },
117  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11, 16) },
118  { AV_CODEC_ID_RAWVIDEO, MKTAG(16, 11, '4', 'Y') },
119  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 10, 16) },
120  { AV_CODEC_ID_RAWVIDEO, MKTAG(16, 10, '4', 'Y') },
121  { AV_CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 0, 16) },
122  { AV_CODEC_ID_RAWVIDEO, MKTAG(16, 0, '4', 'Y') },
123 
124  { AV_CODEC_ID_NONE, 0 }
125 };
126 
128  { AV_CODEC_ID_PCM_ALAW, MKTAG('A', 'L', 'A', 'W') },
129  { AV_CODEC_ID_PCM_MULAW, MKTAG('U', 'L', 'A', 'W') },
130  { AV_CODEC_ID_PCM_F32BE, MKTAG(32, 'D', 'F', 'P') },
131  { AV_CODEC_ID_PCM_F32LE, MKTAG('P', 'F', 'D', 32) },
132  { AV_CODEC_ID_PCM_F64BE, MKTAG(64, 'D', 'F', 'P') },
133  { AV_CODEC_ID_PCM_F64LE, MKTAG('P', 'F', 'D', 64) },
134  { AV_CODEC_ID_PCM_S16BE, MKTAG(16, 'D', 'S', 'P') },
135  { AV_CODEC_ID_PCM_S16LE, MKTAG('P', 'S', 'D', 16) },
136  { AV_CODEC_ID_PCM_S24BE, MKTAG(24, 'D', 'S', 'P') },
137  { AV_CODEC_ID_PCM_S24LE, MKTAG('P', 'S', 'D', 24) },
138  { AV_CODEC_ID_PCM_S32BE, MKTAG(32, 'D', 'S', 'P') },
139  { AV_CODEC_ID_PCM_S32LE, MKTAG('P', 'S', 'D', 32) },
140  { AV_CODEC_ID_PCM_S8, MKTAG('P', 'S', 'D', 8) },
141  { AV_CODEC_ID_PCM_U16BE, MKTAG(16, 'D', 'U', 'P') },
142  { AV_CODEC_ID_PCM_U16LE, MKTAG('P', 'U', 'D', 16) },
143  { AV_CODEC_ID_PCM_U24BE, MKTAG(24, 'D', 'U', 'P') },
144  { AV_CODEC_ID_PCM_U24LE, MKTAG('P', 'U', 'D', 24) },
145  { AV_CODEC_ID_PCM_U32BE, MKTAG(32, 'D', 'U', 'P') },
146  { AV_CODEC_ID_PCM_U32LE, MKTAG('P', 'U', 'D', 32) },
147  { AV_CODEC_ID_PCM_U8, MKTAG('P', 'U', 'D', 8) },
148  { AV_CODEC_ID_PCM_S16LE_PLANAR, MKTAG('P', 'S', 'P', 16) },
149  { AV_CODEC_ID_PCM_S24LE_PLANAR, MKTAG('P', 'S', 'P', 24) },
150  { AV_CODEC_ID_PCM_S32LE_PLANAR, MKTAG('P', 'S', 'P', 32) },
151  { AV_CODEC_ID_MP3, MKTAG('M', 'P', '3', ' ') },
152  { AV_CODEC_ID_NONE, 0 }
153 };
154 
155 const AVCodecTag * const ff_nut_codec_tags[] = {
158 };
159 
160 void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val)
161 {
162  int i;
163  for (i = 0; i < nut->avf->nb_streams; i++)
164  nut->stream[i].last_pts =
165  av_rescale_rnd(val,
166  time_base.num * (int64_t)nut->stream[i].time_base->den,
167  time_base.den * (int64_t)nut->stream[i].time_base->num,
168  AV_ROUND_DOWN);
169 }
170 
171 int64_t ff_lsb2full(StreamContext *stream, int64_t lsb)
172 {
173  int64_t mask = (1 << stream->msb_pts_shift) - 1;
174  int64_t delta = stream->last_pts - mask / 2;
175  return ((lsb - delta) & mask) + delta;
176 }
177 
179 {
180  return ((a->pos - b->pos) >> 32) - ((b->pos - a->pos) >> 32);
181 }
182 
184 {
185  return ((a->ts - b->ts) >> 32) - ((b->ts - a->ts) >> 32);
186 }
187 
188 int ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts)
189 {
190  Syncpoint *sp = av_mallocz(sizeof(Syncpoint));
191  struct AVTreeNode *node = av_tree_node_alloc();
192 
193  if (!sp || !node) {
194  av_freep(&sp);
195  av_freep(&node);
196  return AVERROR(ENOMEM);
197  }
198 
199  sp->pos = pos;
200  sp->back_ptr = back_ptr;
201  sp->ts = ts;
202  av_tree_insert(&nut->syncpoints, sp, (void *) ff_nut_sp_pos_cmp, &node);
203  if (node) {
204  av_free(sp);
205  av_free(node);
206  }
207 
208  return 0;
209 }
210 
211 static int enu_free(void *opaque, void *elem)
212 {
213  av_free(elem);
214  return 0;
215 }
216 
218 {
221 }
222 
224  { "default", AV_DISPOSITION_DEFAULT },
225  { "dub", AV_DISPOSITION_DUB },
226  { "original", AV_DISPOSITION_ORIGINAL },
227  { "comment", AV_DISPOSITION_COMMENT },
228  { "lyrics", AV_DISPOSITION_LYRICS },
229  { "karaoke", AV_DISPOSITION_KARAOKE },
230  { "", 0 }
231 };
232 
234  { "Author", "artist" },
235  { "X-CreationTime", "date" },
236  { "CreationTime", "date" },
237  { "SourceFilename", "filename" },
238  { "X-Language", "language" },
239  { "X-Disposition", "disposition" },
240  { "X-Replaces", "replaces" },
241  { "X-Depends", "depends" },
242  { "X-Uses", "uses" },
243  { "X-UsesFont", "usesfont" },
244  { 0 },
245 };