src/metaflac/operations_shorthand_streaminfo.c

   1 /* metaflac - Command-line FLAC metadata editor
   2  * Copyright (C) 2001,2002,2003,2004,2005,2006,2007  Josh Coalson
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  17  */
  18
  19 #if HAVE_CONFIG_H
  20 #  include <config.h>
  21 #endif
  22
  23 #include "options.h"
  24 #include "utils.h"
  25 #include "FLAC/assert.h"
  26 #include "FLAC/metadata.h"
  27 #include <string.h>
  28
  29 FLAC__bool do_shorthand_operation__streaminfo(const char *filename, FLAC__bool prefix_with_filename, FLAC__Metadata_Chain *chain, const Operation *operation, FLAC__bool *needs_write)
  30 {
  31         unsigned i;
  32         FLAC__bool ok = true;
  33         FLAC__StreamMetadata *block;
  34         FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
  35
  36         if(0 == iterator)
  37                 die("out of memory allocating iterator");
  38
  39         FLAC__metadata_iterator_init(iterator, chain);
  40
  41         block = FLAC__metadata_iterator_get_block(iterator);
  42
  43         FLAC__ASSERT(0 != block);
  44         FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_STREAMINFO);
  45
  46         if(prefix_with_filename)
  47                 printf("%s:", filename);
  48
  49         switch(operation->type) {
  50                 case OP__SHOW_MD5SUM:
  51                         for(i = 0; i < 16; i++)
  52                                 printf("%02x", block->data.stream_info.md5sum[i]);
  53                         printf("\n");
  54                         break;
  55                 case OP__SHOW_MIN_BLOCKSIZE:
  56                         printf("%u\n", block->data.stream_info.min_blocksize);
  57                         break;
  58                 case OP__SHOW_MAX_BLOCKSIZE:
  59                         printf("%u\n", block->data.stream_info.max_blocksize);
  60                         break;
  61                 case OP__SHOW_MIN_FRAMESIZE:
  62                         printf("%u\n", block->data.stream_info.min_framesize);
  63                         break;
  64                 case OP__SHOW_MAX_FRAMESIZE:
  65                         printf("%u\n", block->data.stream_info.max_framesize);
  66                         break;
  67                 case OP__SHOW_SAMPLE_RATE:
  68                         printf("%u\n", block->data.stream_info.sample_rate);
  69                         break;
  70                 case OP__SHOW_CHANNELS:
  71                         printf("%u\n", block->data.stream_info.channels);
  72                         break;
  73                 case OP__SHOW_BPS:
  74                         printf("%u\n", block->data.stream_info.bits_per_sample);
  75                         break;
  76                 case OP__SHOW_TOTAL_SAMPLES:
  77 #ifdef _MSC_VER
  78                         printf("%I64u\n", block->data.stream_info.total_samples);
  79 #else
  80                         printf("%llu\n", (unsigned long long)block->data.stream_info.total_samples);
  81 #endif
  82                         break;
  83                 case OP__SET_MD5SUM:
  84                         memcpy(block->data.stream_info.md5sum, operation->argument.streaminfo_md5.value, 16);
  85                         *needs_write = true;
  86                         break;
  87                 case OP__SET_MIN_BLOCKSIZE:
  88                         block->data.stream_info.min_blocksize = operation->argument.streaminfo_uint32.value;
  89                         *needs_write = true;
  90                         break;
  91                 case OP__SET_MAX_BLOCKSIZE:
  92                         block->data.stream_info.max_blocksize = operation->argument.streaminfo_uint32.value;
  93                         *needs_write = true;
  94                         break;
  95                 case OP__SET_MIN_FRAMESIZE:
  96                         block->data.stream_info.min_framesize = operation->argument.streaminfo_uint32.value;
  97                         *needs_write = true;
  98                         break;
  99                 case OP__SET_MAX_FRAMESIZE:
 100                         block->data.stream_info.max_framesize = operation->argument.streaminfo_uint32.value;
 101                         *needs_write = true;
 102                         break;
 103                 case OP__SET_SAMPLE_RATE:
 104                         block->data.stream_info.sample_rate = operation->argument.streaminfo_uint32.value;
 105                         *needs_write = true;
 106                         break;
 107                 case OP__SET_CHANNELS:
 108                         block->data.stream_info.channels = operation->argument.streaminfo_uint32.value;
 109                         *needs_write = true;
 110                         break;
 111                 case OP__SET_BPS:
 112                         block->data.stream_info.bits_per_sample = operation->argument.streaminfo_uint32.value;
 113                         *needs_write = true;
 114                         break;
 115                 case OP__SET_TOTAL_SAMPLES:
 116                         block->data.stream_info.total_samples = operation->argument.streaminfo_uint64.value;
 117                         *needs_write = true;
 118                         break;
 119                 default:
 120                         ok = false;
 121                         FLAC__ASSERT(0);
 122                         break;
 123         };
 124
 125         FLAC__metadata_iterator_delete(iterator);
 126
 127         return ok;
 128 }