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 "internal.h"
26
27const 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') },
32    { CODEC_ID_NONE        , 0                         }
33};
34
35const 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('B', 'G', 'R', 'A') },
50    { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') },
51    { CODEC_ID_RAWVIDEO, MKTAG('A', 'R', 'G', 'B') },
52    { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 24 ) },
53    { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 24 ) },
54    { CODEC_ID_RAWVIDEO, MKTAG('4', '1', '1', 'P') },
55    { CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') },
56    { CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') },
57    { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') },
58    { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') },
59    { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') },
60    { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') },
61    { CODEC_ID_RAWVIDEO, MKTAG('B', '1', 'W', '0') },
62    { CODEC_ID_RAWVIDEO, MKTAG('B', '0', 'W', '1') },
63    { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R',  8 ) },
64    { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B',  8 ) },
65    { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R',  4 ) },
66    { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B',  4 ) },
67    { CODEC_ID_RAWVIDEO, MKTAG('B', '4', 'B', 'Y') },
68    { CODEC_ID_RAWVIDEO, MKTAG('R', '4', 'B', 'Y') },
69    { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 48 ) },
70    { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 48 ) },
71    { CODEC_ID_RAWVIDEO, MKTAG(48 , 'B', 'G', 'R') },
72    { CODEC_ID_RAWVIDEO, MKTAG(48 , 'R', 'G', 'B') },
73    { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11 , 10 ) },
74    { CODEC_ID_RAWVIDEO, MKTAG(10 , 11 , '3', 'Y') },
75    { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 10 ) },
76    { CODEC_ID_RAWVIDEO, MKTAG(10 , 10 , '3', 'Y') },
77    { CODEC_ID_RAWVIDEO, MKTAG('Y', '3',  0 , 10 ) },
78    { CODEC_ID_RAWVIDEO, MKTAG(10 ,  0 , '3', 'Y') },
79    { CODEC_ID_RAWVIDEO, MKTAG('Y', '1',  0 , 16 ) },
80    { CODEC_ID_RAWVIDEO, MKTAG(16 ,  0 , '1', 'Y') },
81    { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11 , 16 ) },
82    { CODEC_ID_RAWVIDEO, MKTAG(16 , 11 , '3', 'Y') },
83    { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 16 ) },
84    { CODEC_ID_RAWVIDEO, MKTAG(16 , 10 , '3', 'Y') },
85    { CODEC_ID_RAWVIDEO, MKTAG('Y', '3',  0 , 16 ) },
86    { CODEC_ID_RAWVIDEO, MKTAG(16 ,  0 , '3', 'Y') },
87    { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11 ,  8 ) },
88    { CODEC_ID_RAWVIDEO, MKTAG('Y', '2',  0 ,  8 ) },
89    { CODEC_ID_NONE    , 0                         }
90};
91
92void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val){
93    int i;
94    for(i=0; i<nut->avf->nb_streams; i++){
95        nut->stream[i].last_pts= av_rescale_rnd(
96            val,
97            time_base.num * (int64_t)nut->stream[i].time_base->den,
98            time_base.den * (int64_t)nut->stream[i].time_base->num,
99            AV_ROUND_DOWN);
100    }
101}
102
103int64_t ff_lsb2full(StreamContext *stream, int64_t lsb){
104    int64_t mask = (1<<stream->msb_pts_shift)-1;
105    int64_t delta= stream->last_pts - mask/2;
106    return  ((lsb - delta)&mask) + delta;
107}
108
109int ff_nut_sp_pos_cmp(const Syncpoint *a, const Syncpoint *b){
110    return ((a->pos - b->pos) >> 32) - ((b->pos - a->pos) >> 32);
111}
112
113int ff_nut_sp_pts_cmp(const Syncpoint *a, const Syncpoint *b){
114    return ((a->ts - b->ts) >> 32) - ((b->ts - a->ts) >> 32);
115}
116
117void ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts){
118    Syncpoint *sp= av_mallocz(sizeof(Syncpoint));
119    struct AVTreeNode *node= av_mallocz(av_tree_node_size);
120
121    sp->pos= pos;
122    sp->back_ptr= back_ptr;
123    sp->ts= ts;
124    av_tree_insert(&nut->syncpoints, sp, (void *) ff_nut_sp_pos_cmp, &node);
125    if(node){
126        av_free(sp);
127        av_free(node);
128    }
129}
130
131static int enu_free(void *opaque, void *elem)
132{
133    av_free(elem);
134    return 0;
135}
136
137void ff_nut_free_sp(NUTContext *nut)
138{
139    av_tree_enumerate(nut->syncpoints, NULL, NULL, enu_free);
140    av_tree_destroy(nut->syncpoints);
141}
142
143const Dispositions ff_nut_dispositions[] = {
144    {"default"     , AV_DISPOSITION_DEFAULT},
145    {"dub"         , AV_DISPOSITION_DUB},
146    {"original"    , AV_DISPOSITION_ORIGINAL},
147    {"comment"     , AV_DISPOSITION_COMMENT},
148    {"lyrics"      , AV_DISPOSITION_LYRICS},
149    {"karaoke"     , AV_DISPOSITION_KARAOKE},
150    {""            , 0}
151};
152
153const AVMetadataConv ff_nut_metadata_conv[] = {
154    { "Author",         "artist"      },
155    { "X-CreationTime", "date"        },
156    { "CreationTime",   "date"        },
157    { "SourceFilename", "filename"    },
158    { "X-Language",     "language"    },
159    { "X-Disposition",  "disposition" },
160    { "X-Replaces",     "replaces"    },
161    { "X-Depends",      "depends"     },
162    { "X-Uses",         "uses"        },
163    { "X-UsesFont",     "usesfont"    },
164    { 0 },
165};
166