cli/boxdumper.c

   1 /*****************************************************************************
   2  * boxdumper.c
   3  *****************************************************************************
   4  * Copyright (C) 2010-2017 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 "cli.h"
  24
  25 #include <stdio.h>
  26 #include <string.h>
  27 #include <stdlib.h>
  28 #include <inttypes.h>
  29 #ifdef _WIN32
  30 #include <io.h>
  31 #include <fcntl.h>
  32 #endif
  33
  34 #define eprintf( ... ) fprintf( stderr, __VA_ARGS__ )
  35
  36 static void display_version( void )
  37 {
  38     eprintf( "\n"
  39              "L-SMASH isom/mov structual analyzer rev%s  %s\n"
  40              "Built on %s %s\n"
  41              "Copyright (C) 2010-2017 L-SMASH project\n",
  42              LSMASH_REV, LSMASH_GIT_HASH, __DATE__, __TIME__ );
  43 }
  44
  45 static void display_help( void )
  46 {
  47     display_version();
  48     eprintf( "\n"
  49              "Usage: boxdumper [option] input\n"
  50              "  options:\n"
  51              "    --help         Display help\n"
  52              "    --version      Display version information\n"
  53              "    --box          Dump box structure\n"
  54              "    --chapter      Extract chapter list\n"
  55              "    --timestamp    Dump media timestamps\n" );
  56 }
  57
  58 static int boxdumper_error
  59 (
  60     lsmash_root_t            *root,
  61     lsmash_file_parameters_t *file_param,
  62     const char               *message
  63 )
  64 {
  65     lsmash_close_file( file_param );
  66     lsmash_destroy_root( root );
  67     eprintf( "%s", message );
  68     return -1;
  69 }
  70
  71 #define BOXDUMPER_ERR( message ) boxdumper_error( root, &file_param, message )
  72 #define DO_NOTHING
  73
  74 int main( int argc, char *argv[] )
  75 {
  76     if ( argc < 2 )
  77     {
  78         display_help();
  79         return -1;
  80     }
  81     else if( !strcasecmp( argv[1], "-h" ) || !strcasecmp( argv[1], "--help" ) )
  82     {
  83         display_help();
  84         return 0;
  85     }
  86     else if( !strcasecmp( argv[1], "-v" ) || !strcasecmp( argv[1], "--version" ) )
  87     {
  88         display_version();
  89         return 0;
  90     }
  91     int dump_box = 1;
  92     int chapter = 0;
  93     char *filename;
  94     lsmash_get_mainargs( &argc, &argv );
  95     if( argc > 2 )
  96     {
  97         if( !strcasecmp( argv[1], "--box" ) )
  98             DO_NOTHING;
  99         else if( !strcasecmp( argv[1], "--chapter" ) )
 100             chapter = 1;
 101         else if( !strcasecmp( argv[1], "--timestamp" ) )
 102             dump_box = 0;
 103         else
 104         {
 105             display_help();
 106             return -1;
 107         }
 108         filename = argv[2];
 109     }
 110     else
 111     {
 112         filename = argv[1];
 113     }
 114     /* Open the input file. */
 115     lsmash_root_t *root = lsmash_create_root();
 116     if( !root )
 117     {
 118         fprintf( stderr, "Failed to create a ROOT.\n" );
 119         return -1;
 120     }
 121     lsmash_file_parameters_t file_param = { 0 };
 122     if( lsmash_open_file( filename, 1, &file_param ) < 0 )
 123         return BOXDUMPER_ERR( "Failed to open an input file.\n" );
 124     if( dump_box )
 125         file_param.mode |= LSMASH_FILE_MODE_DUMP;
 126     lsmash_file_t *file = lsmash_set_file( root, &file_param );
 127     if( !file )
 128         return BOXDUMPER_ERR( "Failed to add a file into a ROOT.\n" );
 129     if( lsmash_read_file( file, &file_param ) < 0 )
 130         return BOXDUMPER_ERR( "Failed to read a file\n" );
 131     /* Dump the input file. */
 132     if( chapter )
 133     {
 134         if( lsmash_print_chapter_list( root ) )
 135             return BOXDUMPER_ERR( "Failed to extract chapter.\n" );
 136     }
 137     else if( dump_box )
 138     {
 139         if( lsmash_print_movie( root, "-" ) )
 140             return BOXDUMPER_ERR( "Failed to dump box structure.\n" );
 141     }
 142     else
 143     {
 144         lsmash_movie_parameters_t movie_param;
 145         lsmash_initialize_movie_parameters( &movie_param );
 146         lsmash_get_movie_parameters( root, &movie_param );
 147         uint32_t num_tracks = movie_param.number_of_tracks;
 148         for( uint32_t track_number = 1; track_number <= num_tracks; track_number++ )
 149         {
 150             uint32_t track_ID = lsmash_get_track_ID( root, track_number );
 151             if( !track_ID )
 152                 return BOXDUMPER_ERR( "Failed to get track_ID.\n" );
 153             lsmash_media_parameters_t media_param;
 154             lsmash_initialize_media_parameters( &media_param );
 155             if( lsmash_get_media_parameters( root, track_ID, &media_param ) )
 156                 return BOXDUMPER_ERR( "Failed to get media parameters.\n" );
 157             if( lsmash_construct_timeline( root, track_ID ) )
 158                 return BOXDUMPER_ERR( "Failed to construct timeline.\n" );
 159             uint32_t timeline_shift;
 160             if( lsmash_get_composition_to_decode_shift_from_media_timeline( root, track_ID, &timeline_shift ) )
 161                 return BOXDUMPER_ERR( "Failed to get timestamps.\n" );
 162             lsmash_media_ts_list_t ts_list;
 163             if( lsmash_get_media_timestamps( root, track_ID, &ts_list ) )
 164                 return BOXDUMPER_ERR( "Failed to get timestamps.\n" );
 165             fprintf( stdout, "track_ID: %"PRIu32"\n", track_ID );
 166             fprintf( stdout, "Media timescale: %"PRIu32"\n", media_param.timescale );
 167             lsmash_media_ts_t *ts_array = ts_list.timestamp;
 168             if( !ts_array )
 169             {
 170                 fprintf( stdout, "\n" );
 171                 continue;
 172             }
 173             for( uint32_t i = 0; i < ts_list.sample_count; i++ )
 174                 fprintf( stdout, "DTS = %"PRIu64", CTS = %"PRIu64"\n", ts_array[i].dts, ts_array[i].cts + timeline_shift );
 175             lsmash_free( ts_array );
 176             fprintf( stdout, "\n" );
 177         }
 178     }
 179     lsmash_destroy_root( root );
 180     return 0;
 181 }