00001 /* 00002 * Copyright (C) 2006 Smartjog S.A.S, Baptiste Coudurier <baptiste.coudurier@gmail.com> 00003 * Copyright (C) 2011 Smartjog S.A.S, Clément Bœsch <clement.boesch@smartjog.com> 00004 * 00005 * This file is part of FFmpeg. 00006 * 00007 * FFmpeg is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * FFmpeg is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with FFmpeg; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 00027 #ifndef AVCODEC_TIMECODE_H 00028 #define AVCODEC_TIMECODE_H 00029 00030 #include <stdint.h> 00031 #include "libavutil/rational.h" 00032 00033 #define TIMECODE_OPT(ctx, flags) \ 00034 "timecode", "set timecode value following hh:mm:ss[:;.]ff format, " \ 00035 "use ';' or '.' before frame number for drop frame", \ 00036 offsetof(ctx, tc.str), \ 00037 AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX, flags 00038 00039 struct ff_timecode { 00040 char *str; 00041 int start; 00042 int drop; 00043 AVRational rate; 00044 }; 00045 00052 int ff_framenum_to_drop_timecode(int frame_num); 00053 00061 uint32_t ff_framenum_to_smtpe_timecode(unsigned frame, int fps, int drop); 00062 00073 int ff_init_smtpe_timecode(void *avcl, struct ff_timecode *tc); 00074 00075 #endif /* AVCODEC_TIMECODE_H */
1.5.8