/* * nut * Copyright (c) 2004-2007 Michael Niedermayer * * This file is part of Libav. * * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "libavutil/mathematics.h" #include "libavutil/tree.h" #include "nut.h" #include "internal.h" const AVCodecTag ff_nut_subtitle_tags[] = { { CODEC_ID_TEXT , MKTAG('U', 'T', 'F', '8') }, { CODEC_ID_SSA , MKTAG('S', 'S', 'A', 0 ) }, { CODEC_ID_DVD_SUBTITLE, MKTAG('D', 'V', 'D', 'S') }, { CODEC_ID_DVB_SUBTITLE, MKTAG('D', 'V', 'B', 'S') }, { CODEC_ID_NONE , 0 } }; const AVCodecTag ff_nut_video_tags[] = { { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 15 ) }, { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 15 ) }, { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 16 ) }, { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 16 ) }, { CODEC_ID_RAWVIDEO, MKTAG(15 , 'B', 'G', 'R') }, { CODEC_ID_RAWVIDEO, MKTAG(15 , 'R', 'G', 'B') }, { CODEC_ID_RAWVIDEO, MKTAG(16 , 'B', 'G', 'R') }, { CODEC_ID_RAWVIDEO, MKTAG(16 , 'R', 'G', 'B') }, { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 12 ) }, { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 12 ) }, { CODEC_ID_RAWVIDEO, MKTAG(12 , 'B', 'G', 'R') }, { CODEC_ID_RAWVIDEO, MKTAG(12 , 'R', 'G', 'B') }, { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 'A') }, { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 'A') }, { CODEC_ID_RAWVIDEO, MKTAG('A', 'B', 'G', 'R') }, { CODEC_ID_RAWVIDEO, MKTAG('A', 'R', 'G', 'B') }, { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 24 ) }, { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 24 ) }, { CODEC_ID_RAWVIDEO, MKTAG('4', '1', '1', 'P') }, { CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') }, { CODEC_ID_RAWVIDEO, MKTAG('4', '2', '2', 'P') }, { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') }, { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '0', 'P') }, { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') }, { CODEC_ID_RAWVIDEO, MKTAG('4', '4', '4', 'P') }, { CODEC_ID_RAWVIDEO, MKTAG('B', '1', 'W', '0') }, { CODEC_ID_RAWVIDEO, MKTAG('B', '0', 'W', '1') }, { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 8 ) }, { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 8 ) }, { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 4 ) }, { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 4 ) }, { CODEC_ID_RAWVIDEO, MKTAG('B', '4', 'B', 'Y') }, { CODEC_ID_RAWVIDEO, MKTAG('R', '4', 'B', 'Y') }, { CODEC_ID_RAWVIDEO, MKTAG('B', 'G', 'R', 48 ) }, { CODEC_ID_RAWVIDEO, MKTAG('R', 'G', 'B', 48 ) }, { CODEC_ID_RAWVIDEO, MKTAG(48 , 'B', 'G', 'R') }, { CODEC_ID_RAWVIDEO, MKTAG(48 , 'R', 'G', 'B') }, { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11 , 10 ) }, { CODEC_ID_RAWVIDEO, MKTAG(10 , 11 , '3', 'Y') }, { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 10 ) }, { CODEC_ID_RAWVIDEO, MKTAG(10 , 10 , '3', 'Y') }, { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 0 , 10 ) }, { CODEC_ID_RAWVIDEO, MKTAG(10 , 0 , '3', 'Y') }, { CODEC_ID_RAWVIDEO, MKTAG('Y', '1', 0 , 16 ) }, { CODEC_ID_RAWVIDEO, MKTAG(16 , 0 , '1', 'Y') }, { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 11 , 16 ) }, { CODEC_ID_RAWVIDEO, MKTAG(16 , 11 , '3', 'Y') }, { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 10 , 16 ) }, { CODEC_ID_RAWVIDEO, MKTAG(16 , 10 , '3', 'Y') }, { CODEC_ID_RAWVIDEO, MKTAG('Y', '3', 0 , 16 ) }, { CODEC_ID_RAWVIDEO, MKTAG(16 , 0 , '3', 'Y') }, { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', 11 , 8 ) }, { CODEC_ID_RAWVIDEO, MKTAG('Y', '2', 0 , 8 ) }, { CODEC_ID_NONE , 0 } }; void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val){ int i; for(i=0; i<nut->avf->nb_streams; i++){ nut->stream[i].last_pts= av_rescale_rnd( val, time_base.num * (int64_t)nut->stream[i].time_base->den, time_base.den * (int64_t)nut->stream[i].time_base->num, AV_ROUND_DOWN); } } int64_t ff_lsb2full(StreamContext *stream, int64_t lsb){ int64_t mask = (1<<stream->msb_pts_shift)-1; int64_t delta= stream->last_pts - mask/2; return ((lsb - delta)&mask) + delta; } int ff_nut_sp_pos_cmp(const Syncpoint *a, const Syncpoint *b){ return ((a->pos - b->pos) >> 32) - ((b->pos - a->pos) >> 32); } int ff_nut_sp_pts_cmp(const Syncpoint *a, const Syncpoint *b){ return ((a->ts - b->ts) >> 32) - ((b->ts - a->ts) >> 32); } void ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts){ Syncpoint *sp= av_mallocz(sizeof(Syncpoint)); struct AVTreeNode *node= av_mallocz(av_tree_node_size); sp->pos= pos; sp->back_ptr= back_ptr; sp->ts= ts; av_tree_insert(&nut->syncpoints, sp, (void *) ff_nut_sp_pos_cmp, &node); if(node){ av_free(sp); av_free(node); } } static int enu_free(void *opaque, void *elem) { av_free(elem); return 0; } void ff_nut_free_sp(NUTContext *nut) { av_tree_enumerate(nut->syncpoints, NULL, NULL, enu_free); av_tree_destroy(nut->syncpoints); } const Dispositions ff_nut_dispositions[] = { {"default" , AV_DISPOSITION_DEFAULT}, {"dub" , AV_DISPOSITION_DUB}, {"original" , AV_DISPOSITION_ORIGINAL}, {"comment" , AV_DISPOSITION_COMMENT}, {"lyrics" , AV_DISPOSITION_LYRICS}, {"karaoke" , AV_DISPOSITION_KARAOKE}, {"" , 0} }; const AVMetadataConv ff_nut_metadata_conv[] = { { "Author", "artist" }, { "X-CreationTime", "date" }, { "CreationTime", "date" }, { "SourceFilename", "filename" }, { "X-Language", "language" }, { "X-Disposition", "disposition" }, { "X-Replaces", "replaces" }, { "X-Depends", "depends" }, { "X-Uses", "uses" }, { "X-UsesFont", "usesfont" }, { 0 }, };