3 * Copyright (c) 2004-2007 Michael Niedermayer
5 * This file is part of FFmpeg.
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.
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.
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
22 #include "libavutil/mathematics.h"
23 #include "libavutil/tree.h"
27 const AVCodecTag ff_nut_subtitle_tags[] = {
28 { CODEC_ID_TEXT , MKTAG('U', 'T', 'F', '8') },
29 { CODEC_ID_SSA , MKTAG('S', 'S', 'A', 0 ) },
30 { CODEC_ID_DVD_SUBTITLE, MKTAG('D', 'V', 'D', 'S') },
31 { CODEC_ID_DVB_SUBTITLE, MKTAG('D', 'V', 'B', 'S') },
35 const AVCodecTag ff_nut_video_tags[] = {
36 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 15 ) },
37 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 15 ) },
38 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 16 ) },
39 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 16 ) },
40 { CODEC_ID_RAWVIDEO, MKTAG(15 , 'B', 'G', 'R') },
41 { CODEC_ID_RAWVIDEO, MKTAG(15 , 'R', 'G', 'B') },
42 { CODEC_ID_RAWVIDEO, MKTAG(16 , 'B', 'G', 'R') },
43 { CODEC_ID_RAWVIDEO, MKTAG(16 , 'R', 'G', 'B') },
44 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 12 ) },
45 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 12 ) },
46 { CODEC_ID_RAWVIDEO, MKTAG(12 , 'B', 'G', 'R') },
47 { CODEC_ID_RAWVIDEO, MKTAG(12 , 'R', 'G', 'B') },
48 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') },
49 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 0 ) },
50 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') },
51 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 0 ) },
52 { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
53 { CODEC_ID_RAWVIDEO, MKTAG( 0 , 'B', 'G', 'R') },
54 { CODEC_ID_RAWVIDEO, MKTAG('A', 'R', 'G', 'B') },
55 { CODEC_ID_RAWVIDEO, MKTAG( 0 , 'R', 'G', 'B') },
56 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 24 ) },
57 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 24 ) },
58 { CODEC_ID_RAWVIDEO, MKTAG('4', '1', '1', 'P') },
59 { CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') },
60 { CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') },
61 { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') },
62 { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') },
63 { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') },
64 { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') },
65 { CODEC_ID_RAWVIDEO, MKTAG('B', '1', 'W', '0') },
66 { CODEC_ID_RAWVIDEO, MKTAG('B', '0', 'W', '1') },
67 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 8 ) },
68 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 8 ) },
69 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 4 ) },
70 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 4 ) },
71 { CODEC_ID_RAWVIDEO, MKTAG('B', '4', 'B', 'Y') },
72 { CODEC_ID_RAWVIDEO, MKTAG('R', '4', 'B', 'Y') },
73 { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 48 ) },
74 { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 48 ) },
75 { CODEC_ID_RAWVIDEO, MKTAG(48 , 'B', 'G', 'R') },
76 { CODEC_ID_RAWVIDEO, MKTAG(48 , 'R', 'G', 'B') },
77 { CODEC_ID_RAWVIDEO, MKTAG('B', 'R', 'A', 64 ) },
78 { CODEC_ID_RAWVIDEO, MKTAG('R', 'B', 'A', 64 ) },
79 { CODEC_ID_RAWVIDEO, MKTAG(64 , 'B', 'R', 'A') },
80 { CODEC_ID_RAWVIDEO, MKTAG(64 , 'R', 'B', 'A') },
81 { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11 , 10 ) },
82 { CODEC_ID_RAWVIDEO, MKTAG(10 , 11 , '3', 'Y') },
83 { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 10 ) },
84 { CODEC_ID_RAWVIDEO, MKTAG(10 , 10 , '3', 'Y') },
85 { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 0 , 10 ) },
86 { CODEC_ID_RAWVIDEO, MKTAG(10 , 0 , '3', 'Y') },
87 { CODEC_ID_RAWVIDEO, MKTAG('Y', '1', 0 , 16 ) },
88 { CODEC_ID_RAWVIDEO, MKTAG(16 , 0 , '1', 'Y') },
89 { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11 , 16 ) },
90 { CODEC_ID_RAWVIDEO, MKTAG(16 , 11 , '3', 'Y') },
91 { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 16 ) },
92 { CODEC_ID_RAWVIDEO, MKTAG(16 , 10 , '3', 'Y') },
93 { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 0 , 16 ) },
94 { CODEC_ID_RAWVIDEO, MKTAG(16 , 0 , '3', 'Y') },
95 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11 , 8 ) },
96 { CODEC_ID_RAWVIDEO, MKTAG('Y', '2', 0 , 8 ) },
100 void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val){
102 for(i=0; i<nut->avf->nb_streams; i++){
103 nut->stream[i].last_pts= av_rescale_rnd(
105 time_base.num * (int64_t)nut->stream[i].time_base->den,
106 time_base.den * (int64_t)nut->stream[i].time_base->num,
111 int64_t ff_lsb2full(StreamContext *stream, int64_t lsb){
112 int64_t mask = (1<<stream->msb_pts_shift)-1;
113 int64_t delta= stream->last_pts - mask/2;
114 return ((lsb - delta)&mask) + delta;
117 int ff_nut_sp_pos_cmp(const Syncpoint *a, const Syncpoint *b){
118 return ((a->pos - b->pos) >> 32) - ((b->pos - a->pos) >> 32);
121 int ff_nut_sp_pts_cmp(const Syncpoint *a, const Syncpoint *b){
122 return ((a->ts - b->ts) >> 32) - ((b->ts - a->ts) >> 32);
125 void ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts){
126 Syncpoint *sp= av_mallocz(sizeof(Syncpoint));
127 struct AVTreeNode *node= av_mallocz(av_tree_node_size);
130 sp->back_ptr= back_ptr;
132 av_tree_insert(&nut->syncpoints, sp, (void *) ff_nut_sp_pos_cmp, &node);
139 static int enu_free(void *opaque, void *elem)
145 void ff_nut_free_sp(NUTContext *nut)
147 av_tree_enumerate(nut->syncpoints, NULL, NULL, enu_free);
148 av_tree_destroy(nut->syncpoints);
151 const Dispositions ff_nut_dispositions[] = {
152 {"default" , AV_DISPOSITION_DEFAULT},
153 {"dub" , AV_DISPOSITION_DUB},
154 {"original" , AV_DISPOSITION_ORIGINAL},
155 {"comment" , AV_DISPOSITION_COMMENT},
156 {"lyrics" , AV_DISPOSITION_LYRICS},
157 {"karaoke" , AV_DISPOSITION_KARAOKE},
161 const AVMetadataConv ff_nut_metadata_conv[] = {
162 { "Author", "artist" },
163 { "X-CreationTime", "date" },
164 { "CreationTime", "date" },
165 { "SourceFilename", "filename" },
166 { "X-Language", "language" },
167 { "X-Disposition", "disposition" },
168 { "X-Replaces", "replaces" },
169 { "X-Depends", "depends" },
170 { "X-Uses", "uses" },
171 { "X-UsesFont", "usesfont" },