modules/demux/mkv/mkv.hpp

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifndef _MKV_H_
  26 #define _MKV_H_
  27
  28 /*****************************************************************************
  29  * Preamble
  30  *****************************************************************************/
  31
  32
  33 /* config.h may include inttypes.h, so make sure we define that option
  34  * early enough. */
  35 #define __STDC_FORMAT_MACROS 1
  36 #define __STDC_CONSTANT_MACROS 1
  37 #define __STDC_LIMIT_MACROS 1
  38
  39 #ifdef HAVE_CONFIG_H
  40 # include "config.h"
  41 #endif
  42
  43 #include <inttypes.h>
  44
  45 #include <vlc_common.h>
  46 #include <vlc_plugin.h>
  47
  48 #ifdef HAVE_TIME_H
  49 #   include <time.h>                                               /* time() */
  50 #endif
  51
  52 #include <vlc_codecs.h>               /* BITMAPINFOHEADER, WAVEFORMATEX */
  53 #include <vlc_iso_lang.h>
  54 #include <vlc_meta.h>
  55 #include <vlc_charset.h>
  56 #include <vlc_input.h>
  57 #include <vlc_demux.h>
  58
  59 #include <iostream>
  60 #include <cassert>
  61 #include <typeinfo>
  62 #include <string>
  63 #include <vector>
  64 #include <algorithm>
  65
  66 #ifdef HAVE_DIRENT_H
  67 #   include <dirent.h>
  68 #endif
  69
  70 /* libebml and matroska */
  71 #include "ebml/EbmlHead.h"
  72 #include "ebml/EbmlSubHead.h"
  73 #include "ebml/EbmlStream.h"
  74 #include "ebml/EbmlContexts.h"
  75 #include "ebml/EbmlVoid.h"
  76 #include "ebml/EbmlVersion.h"
  77 #include "ebml/StdIOCallback.h"
  78
  79 #include "matroska/KaxAttachments.h"
  80 #include "matroska/KaxAttached.h"
  81 #include "matroska/KaxBlock.h"
  82 #include "matroska/KaxBlockData.h"
  83 #include "matroska/KaxChapters.h"
  84 #include "matroska/KaxCluster.h"
  85 #include "matroska/KaxClusterData.h"
  86 #include "matroska/KaxContexts.h"
  87 #include "matroska/KaxCues.h"
  88 #include "matroska/KaxCuesData.h"
  89 #include "matroska/KaxInfo.h"
  90 #include "matroska/KaxInfoData.h"
  91 #include "matroska/KaxSeekHead.h"
  92 #include "matroska/KaxSegment.h"
  93 #include "matroska/KaxTag.h"
  94 #include "matroska/KaxTags.h"
  95 #include "matroska/KaxTagMulti.h"
  96 #include "matroska/KaxTracks.h"
  97 #include "matroska/KaxTrackAudio.h"
  98 #include "matroska/KaxTrackVideo.h"
  99 #include "matroska/KaxTrackEntryData.h"
 100 #include "matroska/KaxContentEncoding.h"
 101 #include "matroska/KaxVersion.h"
 102
 103 #include "ebml/StdIOCallback.h"
 104
 105 #include <vlc_keys.h>
 106
 107 extern "C" {
 108    #include "../mp4/libmp4.h"
 109 }
 110 #ifdef HAVE_ZLIB_H
 111 #   include <zlib.h>
 112 #endif
 113
 114 #define MATROSKA_COMPRESSION_NONE  -1
 115 #define MATROSKA_COMPRESSION_ZLIB   0
 116 #define MATROSKA_COMPRESSION_BLIB   1
 117 #define MATROSKA_COMPRESSION_LZOX   2
 118 #define MATROSKA_COMPRESSION_HEADER 3
 119
 120 #define MKVD_TIMECODESCALE 1000000
 121
 122 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
 123
 124
 125 using namespace LIBMATROSKA_NAMESPACE;
 126 using namespace std;
 127
 128 void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
 129                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory );
 130
 131 class attachment_c
 132 {
 133 public:
 134     attachment_c()
 135         :p_data(NULL)
 136         ,i_size(0)
 137     {}
 138     virtual ~attachment_c()
 139     {
 140         free( p_data );
 141     }
 142
 143     std::string    psz_file_name;
 144     std::string    psz_mime_type;
 145     void          *p_data;
 146     int            i_size;
 147 };
 148
 149 class matroska_segment_c;
 150
 151 class matroska_stream_c
 152 {
 153 public:
 154     matroska_stream_c( demux_sys_t & demuxer )
 155         :p_in(NULL)
 156         ,p_es(NULL)
 157         ,sys(demuxer)
 158     {}
 159
 160     virtual ~matroska_stream_c()
 161     {
 162         delete p_in;
 163         delete p_es;
 164     }
 165
 166     IOCallback         *p_in;
 167     EbmlStream         *p_es;
 168
 169     std::vector<matroska_segment_c*> segments;
 170
 171     demux_sys_t                      & sys;
 172 };
 173
 174
 175 /*****************************************************************************
 176  * definitions of structures and functions used by this plugins
 177  *****************************************************************************/
 178 typedef struct
 179 {
 180 //    ~mkv_track_t();
 181
 182     bool         b_default;
 183     bool         b_enabled;
 184     unsigned int i_number;
 185
 186     int          i_extra_data;
 187     uint8_t      *p_extra_data;
 188
 189     char         *psz_codec;
 190     bool         b_dts_only;
 191
 192     uint64_t     i_default_duration;
 193     float        f_timecodescale;
 194     mtime_t      i_last_dts;
 195
 196     /* video */
 197     es_format_t fmt;
 198     float       f_fps;
 199     es_out_id_t *p_es;
 200
 201     /* audio */
 202     unsigned int i_original_rate;
 203
 204     bool            b_inited;
 205     /* data to be send first */
 206     int             i_data_init;
 207     uint8_t         *p_data_init;
 208
 209     /* hack : it's for seek */
 210     bool            b_search_keyframe;
 211     bool            b_silent;
 212
 213     /* informative */
 214     const char   *psz_codec_name;
 215     const char   *psz_codec_settings;
 216     const char   *psz_codec_info_url;
 217     const char   *psz_codec_download_url;
 218
 219     /* encryption/compression */
 220     int                    i_compression_type;
 221     KaxContentCompSettings *p_compression_data;
 222
 223 } mkv_track_t;
 224
 225 typedef struct
 226 {
 227     int     i_track;
 228     int     i_block_number;
 229
 230     int64_t i_position;
 231     int64_t i_time;
 232
 233     bool       b_key;
 234 } mkv_index_t;
 235
 236
 237 #endif /* _MKV_HPP_ */