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