src/metaflac/operations_shorthand_streaminfo.c

   1 /* metaflac - Command-line FLAC metadata editor
   2  * Copyright (C) 2001-2009  Josh Coalson
   3  * Copyright (C) 2011-2013  Xiph.Org Foundation
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #if HAVE_CONFIG_H
  21 #  include <config.h>
  22 #endif
  23
  24 #include "options.h"
  25 #include "utils.h"
  26 #include "FLAC/assert.h"
  27 #include "FLAC/metadata.h"
  28 #include "share/compat.h"
  29 #include <string.h>
  30 #include "operations_shorthand.h"
  31
  32 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)
  33 {
  34         unsigned i;
  35         FLAC__bool ok = true;
  36         FLAC__StreamMetadata *block;
  37         FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
  38
  39         if(0 == iterator)
  40                 die("out of memory allocating iterator");
  41
  42         FLAC__metadata_iterator_init(iterator, chain);
  43
  44         block = FLAC__metadata_iterator_get_block(iterator);
  45
  46         FLAC__ASSERT(0 != block);
  47         FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_STREAMINFO);
  48
  49         if(prefix_with_filename)
  50                 flac_printf("%s:", filename);
  51
  52         switch(operation->type) {
  53                 case OP__SHOW_MD5SUM:
  54                         for(i = 0; i < 16; i++)
  55                                 printf("%02x", block->data.stream_info.md5sum[i]);
  56                         printf("\n");
  57                         break;
  58                 case OP__SHOW_MIN_BLOCKSIZE:
  59                         printf("%u\n", block->data.stream_info.min_blocksize);
  60                         break;
  61                 case OP__SHOW_MAX_BLOCKSIZE:
  62                         printf("%u\n", block->data.stream_info.max_blocksize);
  63                         break;
  64                 case OP__SHOW_MIN_FRAMESIZE:
  65                         printf("%u\n", block->data.stream_info.min_framesize);
  66                         break;
  67                 case OP__SHOW_MAX_FRAMESIZE:
  68                         printf("%u\n", block->data.stream_info.max_framesize);
  69                         break;
  70                 case OP__SHOW_SAMPLE_RATE:
  71                         printf("%u\n", block->data.stream_info.sample_rate);
  72                         break;
  73                 case OP__SHOW_CHANNELS:
  74                         printf("%u\n", block->data.stream_info.channels);
  75                         break;
  76                 case OP__SHOW_BPS:
  77                         printf("%u\n", block->data.stream_info.bits_per_sample);
  78                         break;
  79                 case OP__SHOW_TOTAL_SAMPLES:
  80                         printf("%" PRIu64 "\n", block->data.stream_info.total_samples);
  81                         break;
  82                 case OP__SET_MD5SUM:
  83                         memcpy(block->data.stream_info.md5sum, operation->argument.streaminfo_md5.value, 16);
  84                         *needs_write = true;
  85                         break;
  86                 case OP__SET_MIN_BLOCKSIZE:
  87                         block->data.stream_info.min_blocksize = operation->argument.streaminfo_uint32.value;
  88                         *needs_write = true;
  89                         break;
  90                 case OP__SET_MAX_BLOCKSIZE:
  91                         block->data.stream_info.max_blocksize = operation->argument.streaminfo_uint32.value;
  92                         *needs_write = true;
  93                         break;
  94                 case OP__SET_MIN_FRAMESIZE:
  95                         block->data.stream_info.min_framesize = operation->argument.streaminfo_uint32.value;
  96                         *needs_write = true;
  97                         break;
  98                 case OP__SET_MAX_FRAMESIZE:
  99                         block->data.stream_info.max_framesize = operation->argument.streaminfo_uint32.value;
 100                         *needs_write = true;
 101                         break;
 102                 case OP__SET_SAMPLE_RATE:
 103                         block->data.stream_info.sample_rate = operation->argument.streaminfo_uint32.value;
 104                         *needs_write = true;
 105                         break;
 106                 case OP__SET_CHANNELS:
 107                         block->data.stream_info.channels = operation->argument.streaminfo_uint32.value;
 108                         *needs_write = true;
 109                         break;
 110                 case OP__SET_BPS:
 111                         block->data.stream_info.bits_per_sample = operation->argument.streaminfo_uint32.value;
 112                         *needs_write = true;
 113                         break;
 114                 case OP__SET_TOTAL_SAMPLES:
 115                         block->data.stream_info.total_samples = operation->argument.streaminfo_uint64.value;
 116                         *needs_write = true;
 117                         break;
 118                 default:
 119                         ok = false;
 120                         FLAC__ASSERT(0);
 121                         break;
 122         };
 123
 124         FLAC__metadata_iterator_delete(iterator);
 125
 126         return ok;
 127 }