libavutil/timecode_internal.h

   1 /*
   2  * Copyright (c) 2006 Smartjog S.A.S, Baptiste Coudurier <baptiste.coudurier@gmail.com>
   3  * Copyright (c) 2011-2012 Smartjog S.A.S, Clément Bœsch <clement.boesch@smartjog.com>
   4  *
   5  * This file is part of FFmpeg.
   6  *
   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.
  11  *
  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.
  16  *
  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
  20  */
  21
  22 /**
  23  * @file
  24  * Timecode helpers header
  25  */
  26
  27 #ifndef AVUTIL_TIMECODE_INTERNAL_H
  28 #define AVUTIL_TIMECODE_INTERNAL_H
  29
  30 #include <stdint.h>
  31 #include "rational.h"
  32
  33 /**
  34  * Convert SMPTE 12M binary representation to sei info.
  35  *
  36  * @param drop       drop flag output
  37  * @param hh         hour output
  38  * @param mm         minute output
  39  * @param ss         second output
  40  * @param ff         frame number output
  41  * @param rate       frame rate of the timecode
  42  * @param tcsmpte    the 32-bit SMPTE timecode
  43  * @param prevent_df prevent the use of a drop flag when it is known the DF bit
  44  *                   is arbitrary
  45  * @param skip_field prevent the use of a field flag when it is known the field
  46  *                   bit is arbitrary (e.g. because it is used as PC flag)
  47  */
  48 void ff_timecode_set_smpte(unsigned *drop, unsigned *hh, unsigned *mm, unsigned *ss, unsigned *ff,
  49                            AVRational rate, uint32_t tcsmpte, int prevent_df, int skip_field);
  50
  51 #endif /* AVUTIL_TIMECODE_INTERNAL_H */