modules/demux/mp4/fragments.h

   1 /*****************************************************************************
   2  * fragments.h : MP4 fragments
   3  *****************************************************************************
   4  * Copyright (C) 2001-2015 VLC authors and VideoLAN
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  19  *****************************************************************************/
  20 #ifndef VLC_MP4_FRAGMENTS_H_
  21 #define VLC_MP4_FRAGMENTS_H_
  22
  23 #include <vlc_common.h>
  24 #include "libmp4.h"
  25
  26 typedef struct mp4_fragments_index_t
  27 {
  28     uint64_t *pi_pos;
  29     stime_t  *p_times; // movie scaled
  30     unsigned i_entries;
  31     stime_t i_last_time; // movie scaled
  32     unsigned i_tracks;
  33 } mp4_fragments_index_t;
  34
  35 void MP4_Fragments_Index_Delete( mp4_fragments_index_t *p_index );
  36 mp4_fragments_index_t * MP4_Fragments_Index_New( unsigned i_tracks, unsigned i_num );
  37
  38 stime_t MP4_Fragment_Index_GetTrackStartTime( mp4_fragments_index_t *p_index,
  39                                               unsigned i_track_index, uint64_t i_moof_pos );
  40 stime_t MP4_Fragment_Index_GetTrackDuration( mp4_fragments_index_t *p_index, unsigned i_track_index );
  41
  42 bool MP4_Fragments_Index_Lookup( mp4_fragments_index_t *p_index,
  43                                  stime_t *pi_time, uint64_t *pi_pos, unsigned i_track_index );
  44
  45 #ifdef MP4_VERBOSE
  46 void MP4_Fragments_Index_Dump( vlc_object_t *p_obj, const mp4_fragments_index_t *p_index,
  47                                 uint32_t i_movie_timescale );
  48 #endif
  49
  50 #endif