1 /* metaflac - Command-line FLAC metadata editor
2 * Copyright (C) 2001-2009 Josh Coalson
3 * Copyright (C) 2011-2016 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 #ifdef 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
do_shorthand_operation__streaminfo(const char * filename,FLAC__bool prefix_with_filename,FLAC__Metadata_Chain * chain,const Operation * operation,FLAC__bool * needs_write)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 }
128