boxdumper.c

   1 /*****************************************************************************
   2  * boxdumper.c:
   3  *****************************************************************************
   4  * Copyright (C) 2010 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 "lsmash.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 int print_help( int ret )
  37 {
  38     eprintf( "Usage: boxdumper [option] input\n"
  39              "  options:\n"
  40              "    --box          Dump box structure\n"
  41              "    --timestamp    Dump media timestamps\n" );
  42     return ret;
  43 }
  44
  45 static int boxdumper_error( lsmash_root_t *root, char* message )
  46 {
  47     lsmash_destroy_root( root );
  48     eprintf( message );
  49     return -1;
  50 }
  51
  52 #define BOXDUMPER_ERR( message ) boxdumper_error( root, message )
  53 #define DO_NOTHING
  54
  55 int main( int argc, char *argv[] )
  56 {
  57     if( argc < 2 || argc > 3 )
  58         return print_help( -1 );
  59     int dump_box = 1;
  60     char *filename;
  61     if( argc > 2 )
  62     {
  63         if( !strcasecmp( argv[1], "--box" ) )
  64             DO_NOTHING;
  65         else if( !strcasecmp( argv[1], "--timestamp" ) )
  66             dump_box = 0;
  67         else
  68             return print_help( -1 );
  69         filename = argv[2];
  70     }
  71     else
  72     {
  73         if( !strcasecmp( argv[1], "-h" ) || !strcasecmp( argv[1], "--help" ) )
  74             return print_help( 0 );
  75         filename = argv[1];
  76     }
  77 #ifdef _WIN32
  78     _setmode( _fileno(stdin), _O_BINARY );
  79 #endif
  80     lsmash_file_mode mode = dump_box ? (LSMASH_FILE_MODE_READ | LSMASH_FILE_MODE_DUMP) : LSMASH_FILE_MODE_READ;
  81     lsmash_root_t *root = lsmash_open_movie( filename, mode );
  82     if( !root )
  83     {
  84         fprintf( stderr, "Failed to open input file.\n" );
  85         return -1;
  86     }
  87     if( dump_box )
  88     {
  89         if( lsmash_print_movie( root ) )
  90             return BOXDUMPER_ERR( "Failed to dump box structure.\n" );
  91     }
  92     else
  93     {
  94         lsmash_movie_parameters_t movie_param;
  95         lsmash_initialize_movie_parameters( &movie_param );
  96         lsmash_get_movie_parameters( root, &movie_param );
  97         uint32_t num_tracks = movie_param.number_of_tracks;
  98         for( uint32_t track_number = 1; track_number <= num_tracks; track_number++ )
  99         {
 100             uint32_t track_ID = lsmash_get_track_ID( root, track_number );
 101             if( !track_ID )
 102                 return BOXDUMPER_ERR( "Failed to get track_ID.\n" );
 103             lsmash_media_parameters_t media_param;
 104             lsmash_initialize_media_parameters( &media_param );
 105             if( lsmash_get_media_parameters( root, track_ID, &media_param ) )
 106                 return BOXDUMPER_ERR( "Failed to get media parameters.\n" );
 107             if( lsmash_construct_timeline( root, track_ID ) )
 108                 return BOXDUMPER_ERR( "Failed to construct timeline.\n" );
 109             int32_t timeline_shift;
 110             if( lsmash_get_media_timeline_shift( root, track_ID, &timeline_shift ) )
 111                 return BOXDUMPER_ERR( "Failed to get timestamps.\n" );
 112             lsmash_media_ts_list_t ts_list;
 113             if( lsmash_get_media_timestamps( root, track_ID, &ts_list ) )
 114                 return BOXDUMPER_ERR( "Failed to get timestamps.\n" );
 115             fprintf( stdout, "track_ID: %"PRIu32"\n", track_ID );
 116             fprintf( stdout, "Media timescale: %"PRIu32"\n", media_param.timescale );
 117             lsmash_media_ts_t *ts_array = ts_list.timestamp;
 118             if( !ts_array )
 119             {
 120                 fprintf( stdout, "\n" );
 121                 continue;
 122             }
 123             for( uint32_t i = 0; i < ts_list.sample_count; i++ )
 124                 fprintf( stdout, "DTS = %"PRIu64", CTS = %"PRIu64"\n", ts_array[i].dts, ts_array[i].cts + timeline_shift );
 125             free( ts_array );
 126             fprintf( stdout, "\n" );
 127         }
 128     }
 129     lsmash_destroy_root( root );
 130     return 0;
 131 }