src/lib/doslib/ext/flac/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 #include "operations_shorthand.h"
  29
  30 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)
  31 {
  32         unsigned i;
  33         FLAC__bool ok = true;
  34         FLAC__StreamMetadata *block;
  35         FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
  36
  37         if(0 == iterator)
  38                 die("out of memory allocating iterator");
  39
  40         FLAC__metadata_iterator_init(iterator, chain);
  41
  42         block = FLAC__metadata_iterator_get_block(iterator);
  43
  44         FLAC__ASSERT(0 != block);
  45         FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_STREAMINFO);
  46
  47         if(prefix_with_filename)
  48                 printf("%s:", filename);
  49
  50         switch(operation->type) {
  51                 case OP__SHOW_MD5SUM:
  52                         for(i = 0; i < 16; i++)
  53                                 printf("%02x", block->data.stream_info.md5sum[i]);
  54                         printf("\n");
  55                         break;
  56                 case OP__SHOW_MIN_BLOCKSIZE:
  57                         printf("%u\n", block->data.stream_info.min_blocksize);
  58                         break;
  59                 case OP__SHOW_MAX_BLOCKSIZE:
  60                         printf("%u\n", block->data.stream_info.max_blocksize);
  61                         break;
  62                 case OP__SHOW_MIN_FRAMESIZE:
  63                         printf("%u\n", block->data.stream_info.min_framesize);
  64                         break;
  65                 case OP__SHOW_MAX_FRAMESIZE:
  66                         printf("%u\n", block->data.stream_info.max_framesize);
  67                         break;
  68                 case OP__SHOW_SAMPLE_RATE:
  69                         printf("%u\n", block->data.stream_info.sample_rate);
  70                         break;
  71                 case OP__SHOW_CHANNELS:
  72                         printf("%u\n", block->data.stream_info.channels);
  73                         break;
  74                 case OP__SHOW_BPS:
  75                         printf("%u\n", block->data.stream_info.bits_per_sample);
  76                         break;
  77                 case OP__SHOW_TOTAL_SAMPLES:
  78 #ifdef _MSC_VER
  79                         printf("%I64u\n", block->data.stream_info.total_samples);
  80 #else
  81                         printf("%llu\n", (unsigned long long)block->data.stream_info.total_samples);
  82 #endif
  83                         break;
  84                 case OP__SET_MD5SUM:
  85                         memcpy(block->data.stream_info.md5sum, operation->argument.streaminfo_md5.value, 16);
  86                         *needs_write = true;
  87                         break;
  88                 case OP__SET_MIN_BLOCKSIZE:
  89                         block->data.stream_info.min_blocksize = operation->argument.streaminfo_uint32.value;
  90                         *needs_write = true;
  91                         break;
  92                 case OP__SET_MAX_BLOCKSIZE:
  93                         block->data.stream_info.max_blocksize = operation->argument.streaminfo_uint32.value;
  94                         *needs_write = true;
  95                         break;
  96                 case OP__SET_MIN_FRAMESIZE:
  97                         block->data.stream_info.min_framesize = operation->argument.streaminfo_uint32.value;
  98                         *needs_write = true;
  99                         break;
 100                 case OP__SET_MAX_FRAMESIZE:
 101                         block->data.stream_info.max_framesize = operation->argument.streaminfo_uint32.value;
 102                         *needs_write = true;
 103                         break;
 104                 case OP__SET_SAMPLE_RATE:
 105                         block->data.stream_info.sample_rate = operation->argument.streaminfo_uint32.value;
 106                         *needs_write = true;
 107                         break;
 108                 case OP__SET_CHANNELS:
 109                         block->data.stream_info.channels = operation->argument.streaminfo_uint32.value;
 110                         *needs_write = true;
 111                         break;
 112                 case OP__SET_BPS:
 113                         block->data.stream_info.bits_per_sample = operation->argument.streaminfo_uint32.value;
 114                         *needs_write = true;
 115                         break;
 116                 case OP__SET_TOTAL_SAMPLES:
 117                         block->data.stream_info.total_samples = operation->argument.streaminfo_uint64.value;
 118                         *needs_write = true;
 119                         break;
 120                 default:
 121                         ok = false;
 122                         FLAC__ASSERT(0);
 123                         break;
 124         };
 125
 126         FLAC__metadata_iterator_delete(iterator);
 127
 128         return ok;
 129 }