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 "cli.h"
  24
  25 #include <stdio.h>
  26 #include <string.h>
  27 #include <strings.h>
  28 #include <stdlib.h>
  29 #include <inttypes.h>
  30 #ifdef _WIN32
  31 #include <io.h>
  32 #include <fcntl.h>
  33 #endif
  34
  35 #include "config.h"
  36
  37 #define eprintf( ... ) fprintf( stderr, __VA_ARGS__ )
  38
  39 static void display_version( void )
  40 {
  41     eprintf( "\n"
  42              "L-SMASH isom/mov structual analyzer rev%s  %s\n"
  43              "Built on %s %s\n"
  44              "Copyright (C) 2010-2014 L-SMASH project\n",
  45              LSMASH_REV, LSMASH_GIT_HASH, __DATE__, __TIME__ );
  46 }
  47
  48 static void display_help( void )
  49 {
  50     display_version();
  51     eprintf( "\n"
  52              "Usage: boxdumper [option] input\n"
  53              "  options:\n"
  54              "    --help         Display help\n"
  55              "    --version      Display version information\n"
  56              "    --box          Dump box structure\n"
  57              "    --chapter      Extract chapter list\n"
  58              "    --timestamp    Dump media timestamps\n" );
  59 }
  60
  61 static int boxdumper_error
  62 (
  63     lsmash_root_t            *root,
  64     lsmash_file_parameters_t *file_param,
  65     const char               *message
  66 )
  67 {
  68     lsmash_close_file( file_param );
  69     lsmash_destroy_root( root );
  70     eprintf( "%s", message );
  71     return -1;
  72 }
  73
  74 #define BOXDUMPER_ERR( message ) boxdumper_error( root, &file_param, message )
  75 #define DO_NOTHING
  76
  77 int main( int argc, char *argv[] )
  78 {
  79     if ( argc < 2 )
  80     {
  81         display_help();
  82         return -1;
  83     }
  84     else if( !strcasecmp( argv[1], "-h" ) || !strcasecmp( argv[1], "--help" ) )
  85     {
  86         display_help();
  87         return 0;
  88     }
  89     else if( !strcasecmp( argv[1], "-v" ) || !strcasecmp( argv[1], "--version" ) )
  90     {
  91         display_version();
  92         return 0;
  93     }
  94     int dump_box = 1;
  95     int chapter = 0;
  96     char *filename;
  97     lsmash_get_mainargs( &argc, &argv );
  98     if( argc > 2 )
  99     {
 100         if( !strcasecmp( argv[1], "--box" ) )
 101             DO_NOTHING;
 102         else if( !strcasecmp( argv[1], "--chapter" ) )
 103             chapter = 1;
 104         else if( !strcasecmp( argv[1], "--timestamp" ) )
 105             dump_box = 0;
 106         else
 107         {
 108             display_help();
 109             return -1;
 110         }
 111         filename = argv[2];
 112     }
 113     else
 114     {
 115         filename = argv[1];
 116     }
 117     /* Open the input file. */
 118     lsmash_root_t *root = lsmash_create_root();
 119     if( !root )
 120     {
 121         fprintf( stderr, "Failed to create a ROOT.\n" );
 122         return -1;
 123     }
 124     lsmash_file_parameters_t file_param = { 0 };
 125     if( lsmash_open_file( filename, 1, &file_param ) < 0 )
 126         return BOXDUMPER_ERR( "Failed to open an input file.\n" );
 127     if( dump_box )
 128         file_param.mode |= LSMASH_FILE_MODE_DUMP;
 129     lsmash_file_t *file = lsmash_set_file( root, &file_param );
 130     if( !file )
 131         return BOXDUMPER_ERR( "Failed to add a file into a ROOT.\n" );
 132     if( lsmash_read_file( file, &file_param ) < 0 )
 133         return BOXDUMPER_ERR( "Failed to read a file\n" );
 134     /* Dump the input file. */
 135     if( chapter )
 136     {
 137         if( lsmash_print_chapter_list( root ) )
 138             return BOXDUMPER_ERR( "Failed to extract chapter.\n" );
 139     }
 140     else if( dump_box )
 141     {
 142         if( lsmash_print_movie( root, "-" ) )
 143             return BOXDUMPER_ERR( "Failed to dump box structure.\n" );
 144     }
 145     else
 146     {
 147         lsmash_movie_parameters_t movie_param;
 148         lsmash_initialize_movie_parameters( &movie_param );
 149         lsmash_get_movie_parameters( root, &movie_param );
 150         uint32_t num_tracks = movie_param.number_of_tracks;
 151         for( uint32_t track_number = 1; track_number <= num_tracks; track_number++ )
 152         {
 153             uint32_t track_ID = lsmash_get_track_ID( root, track_number );
 154             if( !track_ID )
 155                 return BOXDUMPER_ERR( "Failed to get track_ID.\n" );
 156             lsmash_media_parameters_t media_param;
 157             lsmash_initialize_media_parameters( &media_param );
 158             if( lsmash_get_media_parameters( root, track_ID, &media_param ) )
 159                 return BOXDUMPER_ERR( "Failed to get media parameters.\n" );
 160             if( lsmash_construct_timeline( root, track_ID ) )
 161                 return BOXDUMPER_ERR( "Failed to construct timeline.\n" );
 162             uint32_t timeline_shift;
 163             if( lsmash_get_composition_to_decode_shift_from_media_timeline( root, track_ID, &timeline_shift ) )
 164                 return BOXDUMPER_ERR( "Failed to get timestamps.\n" );
 165             lsmash_media_ts_list_t ts_list;
 166             if( lsmash_get_media_timestamps( root, track_ID, &ts_list ) )
 167                 return BOXDUMPER_ERR( "Failed to get timestamps.\n" );
 168             fprintf( stdout, "track_ID: %"PRIu32"\n", track_ID );
 169             fprintf( stdout, "Media timescale: %"PRIu32"\n", media_param.timescale );
 170             lsmash_media_ts_t *ts_array = ts_list.timestamp;
 171             if( !ts_array )
 172             {
 173                 fprintf( stdout, "\n" );
 174                 continue;
 175             }
 176             for( uint32_t i = 0; i < ts_list.sample_count; i++ )
 177                 fprintf( stdout, "DTS = %"PRIu64", CTS = %"PRIu64"\n", ts_array[i].dts, ts_array[i].cts + timeline_shift );
 178             lsmash_free( ts_array );
 179             fprintf( stdout, "\n" );
 180         }
 181     }
 182     lsmash_destroy_root( root );
 183     return 0;
 184 }