cli/boxdumper.c

   1 /*****************************************************************************
   2  * boxdumper.c:
   3  *****************************************************************************
   4  * Copyright (C) 2010-2014 L-SMASH project
   5  *
   6  * Authors: Yusuke Nakamura <muken.the.vfrmaniac@gmail.com>
   7  *
   8  * Permission to use, copy, modify, and/or distribute this software for any
   9  * purpose with or without fee is hereby granted, provided that the above
  10  * copyright notice and this permission notice appear in all copies.
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  19  *****************************************************************************/
  20
  21 /* This file is available under an ISC license. */
  22
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include <strings.h>
  26 #include <stdlib.h>
  27 #include <inttypes.h>
  28 #ifdef _WIN32
  29 #include <io.h>
  30 #include <fcntl.h>
  31 #endif
  32
  33 #include "lsmash.h"
  34 #include "cli.h"
  35
  36 #include "config.h"
  37
  38 #define eprintf( ... ) fprintf( stderr, __VA_ARGS__ )
  39
  40 static void display_version( void )
  41 {
  42     eprintf( "\n"
  43              "L-SMASH isom/mov structual analyzer rev%s  %s\n"
  44              "Built on %s %s\n"
  45              "Copyright (C) 2010-2014 L-SMASH project\n",
  46              LSMASH_REV, LSMASH_GIT_HASH, __DATE__, __TIME__ );
  47 }
  48
  49 static void display_help( void )
  50 {
  51     display_version();
  52     eprintf( "\n"
  53              "Usage: boxdumper [option] input\n"
  54              "  options:\n"
  55              "    --help         Display help\n"
  56              "    --version      Display version information\n"
  57              "    --box          Dump box structure\n"
  58              "    --chapter      Extract chapter list\n"
  59              "    --timestamp    Dump media timestamps\n" );
  60 }
  61
  62 static int boxdumper_error
  63 (
  64     lsmash_root_t            *root,
  65     lsmash_file_parameters_t *file_param,
  66     const char               *message
  67 )
  68 {
  69     lsmash_close_file( file_param );
  70     lsmash_destroy_root( root );
  71     eprintf( "%s", message );
  72     return -1;
  73 }
  74
  75 #define BOXDUMPER_ERR( message ) boxdumper_error( root, &file_param, message )
  76 #define DO_NOTHING
  77
  78 int main( int argc, char *argv[] )
  79 {
  80     if ( argc < 2 )
  81     {
  82         display_help();
  83         return -1;
  84     }
  85     else if( !strcasecmp( argv[1], "-h" ) || !strcasecmp( argv[1], "--help" ) )
  86     {
  87         display_help();
  88         return 0;
  89     }
  90     else if( !strcasecmp( argv[1], "-v" ) || !strcasecmp( argv[1], "--version" ) )
  91     {
  92         display_version();
  93         return 0;
  94     }
  95     int dump_box = 1;
  96     int chapter = 0;
  97     char *filename;
  98     lsmash_get_mainargs( &argc, &argv );
  99     if( argc > 2 )
 100     {
 101         if( !strcasecmp( argv[1], "--box" ) )
 102             DO_NOTHING;
 103         else if( !strcasecmp( argv[1], "--chapter" ) )
 104             chapter = 1;
 105         else if( !strcasecmp( argv[1], "--timestamp" ) )
 106             dump_box = 0;
 107         else
 108         {
 109             display_help();
 110             return -1;
 111         }
 112         filename = argv[2];
 113     }
 114     else
 115     {
 116         filename = argv[1];
 117     }
 118     /* Open the input file. */
 119     lsmash_root_t *root = lsmash_create_root();
 120     if( !root )
 121     {
 122         fprintf( stderr, "Failed to create a ROOT.\n" );
 123         return -1;
 124     }
 125     lsmash_file_parameters_t file_param = { 0 };
 126     if( lsmash_open_file( filename, 1, &file_param ) < 0 )
 127         return BOXDUMPER_ERR( "Failed to open an input file.\n" );
 128     if( dump_box )
 129         file_param.mode |= LSMASH_FILE_MODE_DUMP;
 130     lsmash_file_t *file = lsmash_set_file( root, &file_param );
 131     if( !file )
 132         return BOXDUMPER_ERR( "Failed to add a file into a ROOT.\n" );
 133     if( lsmash_read_file( file, &file_param ) < 0 )
 134         return BOXDUMPER_ERR( "Failed to read a file\n" );
 135     /* Dump the input file. */
 136     if( chapter )
 137     {
 138         if( lsmash_print_chapter_list( root ) )
 139             return BOXDUMPER_ERR( "Failed to extract chapter.\n" );
 140     }
 141     else if( dump_box )
 142     {
 143         if( lsmash_print_movie( root, "-" ) )
 144             return BOXDUMPER_ERR( "Failed to dump box structure.\n" );
 145     }
 146     else
 147     {
 148         lsmash_movie_parameters_t movie_param;
 149         lsmash_initialize_movie_parameters( &movie_param );
 150         lsmash_get_movie_parameters( root, &movie_param );
 151         uint32_t num_tracks = movie_param.number_of_tracks;
 152         for( uint32_t track_number = 1; track_number <= num_tracks; track_number++ )
 153         {
 154             uint32_t track_ID = lsmash_get_track_ID( root, track_number );
 155             if( !track_ID )
 156                 return BOXDUMPER_ERR( "Failed to get track_ID.\n" );
 157             lsmash_media_parameters_t media_param;
 158             lsmash_initialize_media_parameters( &media_param );
 159             if( lsmash_get_media_parameters( root, track_ID, &media_param ) )
 160                 return BOXDUMPER_ERR( "Failed to get media parameters.\n" );
 161             if( lsmash_construct_timeline( root, track_ID ) )
 162                 return BOXDUMPER_ERR( "Failed to construct timeline.\n" );
 163             uint32_t timeline_shift;
 164             if( lsmash_get_composition_to_decode_shift_from_media_timeline( root, track_ID, &timeline_shift ) )
 165                 return BOXDUMPER_ERR( "Failed to get timestamps.\n" );
 166             lsmash_media_ts_list_t ts_list;
 167             if( lsmash_get_media_timestamps( root, track_ID, &ts_list ) )
 168                 return BOXDUMPER_ERR( "Failed to get timestamps.\n" );
 169             fprintf( stdout, "track_ID: %"PRIu32"\n", track_ID );
 170             fprintf( stdout, "Media timescale: %"PRIu32"\n", media_param.timescale );
 171             lsmash_media_ts_t *ts_array = ts_list.timestamp;
 172             if( !ts_array )
 173             {
 174                 fprintf( stdout, "\n" );
 175                 continue;
 176             }
 177             for( uint32_t i = 0; i < ts_list.sample_count; i++ )
 178                 fprintf( stdout, "DTS = %"PRIu64", CTS = %"PRIu64"\n", ts_array[i].dts, ts_array[i].cts + timeline_shift );
 179             lsmash_free( ts_array );
 180             fprintf( stdout, "\n" );
 181         }
 182     }
 183     lsmash_destroy_root( root );
 184     return 0;
 185 }