src/metaflac/operations_shorthand_streaminfo.c

   1 /* metaflac - Command-line FLAC metadata editor
   2  * Copyright (C) 2001,2002,2003,2004,2005,2006,2007,2008,2009  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 along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 "share/compat.h"
  28 #include <string.h>
  29 #include "operations_shorthand.h"
  30
  31 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)
  32 {
  33         unsigned i;
  34         FLAC__bool ok = true;
  35         FLAC__StreamMetadata *block;
  36         FLAC__Metadata_Iterator *iterator = FLAC__metadata_iterator_new();
  37
  38         if(0 == iterator)
  39                 die("out of memory allocating iterator");
  40
  41         FLAC__metadata_iterator_init(iterator, chain);
  42
  43         block = FLAC__metadata_iterator_get_block(iterator);
  44
  45         FLAC__ASSERT(0 != block);
  46         FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_STREAMINFO);
  47
  48         if(prefix_with_filename)
  49                 flac_printf("%s:", filename);
  50
  51         switch(operation->type) {
  52                 case OP__SHOW_MD5SUM:
  53                         for(i = 0; i < 16; i++)
  54                                 printf("%02x", block->data.stream_info.md5sum[i]);
  55                         printf("\n");
  56                         break;
  57                 case OP__SHOW_MIN_BLOCKSIZE:
  58                         printf("%u\n", block->data.stream_info.min_blocksize);
  59                         break;
  60                 case OP__SHOW_MAX_BLOCKSIZE:
  61                         printf("%u\n", block->data.stream_info.max_blocksize);
  62                         break;
  63                 case OP__SHOW_MIN_FRAMESIZE:
  64                         printf("%u\n", block->data.stream_info.min_framesize);
  65                         break;
  66                 case OP__SHOW_MAX_FRAMESIZE:
  67                         printf("%u\n", block->data.stream_info.max_framesize);
  68                         break;
  69                 case OP__SHOW_SAMPLE_RATE:
  70                         printf("%u\n", block->data.stream_info.sample_rate);
  71                         break;
  72                 case OP__SHOW_CHANNELS:
  73                         printf("%u\n", block->data.stream_info.channels);
  74                         break;
  75                 case OP__SHOW_BPS:
  76                         printf("%u\n", block->data.stream_info.bits_per_sample);
  77                         break;
  78                 case OP__SHOW_TOTAL_SAMPLES:
  79                         printf("%" PRIu64 "\n", block->data.stream_info.total_samples);
  80                         break;
  81                 case OP__SET_MD5SUM:
  82                         memcpy(block->data.stream_info.md5sum, operation->argument.streaminfo_md5.value, 16);
  83                         *needs_write = true;
  84                         break;
  85                 case OP__SET_MIN_BLOCKSIZE:
  86                         block->data.stream_info.min_blocksize = operation->argument.streaminfo_uint32.value;
  87                         *needs_write = true;
  88                         break;
  89                 case OP__SET_MAX_BLOCKSIZE:
  90                         block->data.stream_info.max_blocksize = operation->argument.streaminfo_uint32.value;
  91                         *needs_write = true;
  92                         break;
  93                 case OP__SET_MIN_FRAMESIZE:
  94                         block->data.stream_info.min_framesize = operation->argument.streaminfo_uint32.value;
  95                         *needs_write = true;
  96                         break;
  97                 case OP__SET_MAX_FRAMESIZE:
  98                         block->data.stream_info.max_framesize = operation->argument.streaminfo_uint32.value;
  99                         *needs_write = true;
 100                         break;
 101                 case OP__SET_SAMPLE_RATE:
 102                         block->data.stream_info.sample_rate = operation->argument.streaminfo_uint32.value;
 103                         *needs_write = true;
 104                         break;
 105                 case OP__SET_CHANNELS:
 106                         block->data.stream_info.channels = operation->argument.streaminfo_uint32.value;
 107                         *needs_write = true;
 108                         break;
 109                 case OP__SET_BPS:
 110                         block->data.stream_info.bits_per_sample = operation->argument.streaminfo_uint32.value;
 111                         *needs_write = true;
 112                         break;
 113                 case OP__SET_TOTAL_SAMPLES:
 114                         block->data.stream_info.total_samples = operation->argument.streaminfo_uint64.value;
 115                         *needs_write = true;
 116                         break;
 117                 default:
 118                         ok = false;
 119                         FLAC__ASSERT(0);
 120                         break;
 121         };
 122
 123         FLAC__metadata_iterator_delete(iterator);
 124
 125         return ok;
 126 }