src/metaflac/operations_shorthand_streaminfo.c

   1 /* metaflac - Command-line FLAC metadata editor
   2  * Copyright (C) 2001,2002  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 #include "options.h"
  20 #include "utils.h"
  21 #include "FLAC/assert.h"
  22 #include "FLAC/metadata.h"
  23 #include <string.h>
  24
  25 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)
  26 {
  27         unsigned i;
  28         FLAC__bool ok = true;
  29         FLAC__StreamMetadata *block;
  30         FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
  31
  32         if(0 == iterator)
  33                 die("out of memory allocating iterator");
  34
  35         FLAC__metadata_iterator_init(iterator, chain);
  36
  37         block = FLAC__metadata_iterator_get_block(iterator);
  38
  39         FLAC__ASSERT(0 != block);
  40         FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_STREAMINFO);
  41
  42         if(prefix_with_filename)
  43                 printf("%s:", filename);
  44
  45         switch(operation->type) {
  46                 case OP__SHOW_MD5SUM:
  47                         for(i = 0; i < 16; i++)
  48                                 printf("%02x", block->data.stream_info.md5sum[i]);
  49                         printf("\n");
  50                         break;
  51                 case OP__SHOW_MIN_BLOCKSIZE:
  52                         printf("%u\n", block->data.stream_info.min_blocksize);
  53                         break;
  54                 case OP__SHOW_MAX_BLOCKSIZE:
  55                         printf("%u\n", block->data.stream_info.max_blocksize);
  56                         break;
  57                 case OP__SHOW_MIN_FRAMESIZE:
  58                         printf("%u\n", block->data.stream_info.min_framesize);
  59                         break;
  60                 case OP__SHOW_MAX_FRAMESIZE:
  61                         printf("%u\n", block->data.stream_info.max_framesize);
  62                         break;
  63                 case OP__SHOW_SAMPLE_RATE:
  64                         printf("%u\n", block->data.stream_info.sample_rate);
  65                         break;
  66                 case OP__SHOW_CHANNELS:
  67                         printf("%u\n", block->data.stream_info.channels);
  68                         break;
  69                 case OP__SHOW_BPS:
  70                         printf("%u\n", block->data.stream_info.bits_per_sample);
  71                         break;
  72                 case OP__SHOW_TOTAL_SAMPLES:
  73                         printf("%llu\n", block->data.stream_info.total_samples);
  74                         break;
  75                 case OP__SET_MD5SUM:
  76                         memcpy(block->data.stream_info.md5sum, operation->argument.streaminfo_md5.value, 16);
  77                         *needs_write = true;
  78                         break;
  79                 case OP__SET_MIN_BLOCKSIZE:
  80                         block->data.stream_info.min_blocksize = operation->argument.streaminfo_uint32.value;
  81                         *needs_write = true;
  82                         break;
  83                 case OP__SET_MAX_BLOCKSIZE:
  84                         block->data.stream_info.max_blocksize = operation->argument.streaminfo_uint32.value;
  85                         *needs_write = true;
  86                         break;
  87                 case OP__SET_MIN_FRAMESIZE:
  88                         block->data.stream_info.min_framesize = operation->argument.streaminfo_uint32.value;
  89                         *needs_write = true;
  90                         break;
  91                 case OP__SET_MAX_FRAMESIZE:
  92                         block->data.stream_info.max_framesize = operation->argument.streaminfo_uint32.value;
  93                         *needs_write = true;
  94                         break;
  95                 case OP__SET_SAMPLE_RATE:
  96                         block->data.stream_info.sample_rate = operation->argument.streaminfo_uint32.value;
  97                         *needs_write = true;
  98                         break;
  99                 case OP__SET_CHANNELS:
 100                         block->data.stream_info.channels = operation->argument.streaminfo_uint32.value;
 101                         *needs_write = true;
 102                         break;
 103                 case OP__SET_BPS:
 104                         block->data.stream_info.bits_per_sample = operation->argument.streaminfo_uint32.value;
 105                         *needs_write = true;
 106                         break;
 107                 case OP__SET_TOTAL_SAMPLES:
 108                         block->data.stream_info.total_samples = operation->argument.streaminfo_uint64.value;
 109                         *needs_write = true;
 110                         break;
 111                 default:
 112                         ok = false;
 113                         FLAC__ASSERT(0);
 114                         break;
 115         };
 116
 117         FLAC__metadata_iterator_delete(iterator);
 118
 119         return ok;
 120 }