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operations_shorthand_streaminfo.c
资源名称：tcpmp.rar　[点击查看]
上传用户：wstnjxml
上传日期：2014-04-03
资源大小：7248k
文件大小：4k
源码类别：

Windows CE

开发平台：

C/C++

operations_shorthand_streaminfo.c：源码内容
  1. /* metaflac - Command-line FLAC metadata editor
  2.  * Copyright (C) 2001,2002,2003,2004,2005  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.  */
  19. #include "options.h"
  20. #include "utils.h"
  21. #include "FLAC/assert.h"
  22. #include "FLAC/metadata.h"
  23. #include <string.h>
  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();
  32. if(0 == iterator)
  33. die("out of memory allocating iterator");
  35. FLAC__metadata_iterator_init(iterator, chain);
  37. block = FLAC__metadata_iterator_get_block(iterator);
  39. FLAC__ASSERT(0 != block);
  40. FLAC__ASSERT(block->type == FLAC__METADATA_TYPE_STREAMINFO);
  42. if(prefix_with_filename)
  43. printf("%s:", filename);
  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("%un", block->data.stream_info.min_blocksize);
  53. break;
  54. case OP__SHOW_MAX_BLOCKSIZE:
  55. printf("%un", block->data.stream_info.max_blocksize);
  56. break;
  57. case OP__SHOW_MIN_FRAMESIZE:
  58. printf("%un", block->data.stream_info.min_framesize);
  59. break;
  60. case OP__SHOW_MAX_FRAMESIZE:
  61. printf("%un", block->data.stream_info.max_framesize);
  62. break;
  63. case OP__SHOW_SAMPLE_RATE:
  64. printf("%un", block->data.stream_info.sample_rate);
  65. break;
  66. case OP__SHOW_CHANNELS:
  67. printf("%un", block->data.stream_info.channels);
  68. break;
  69. case OP__SHOW_BPS:
  70. printf("%un", block->data.stream_info.bits_per_sample);
  71. break;
  72. case OP__SHOW_TOTAL_SAMPLES:
  73. #ifdef _MSC_VER
  74. printf("%I64un", block->data.stream_info.total_samples);
  75. #else
  76. printf("%llun", block->data.stream_info.total_samples);
  77. #endif
  78. break;
  79. case OP__SET_MD5SUM:
  80. memcpy(block->data.stream_info.md5sum, operation->argument.streaminfo_md5.value, 16);
  81. *needs_write = true;
  82. break;
  83. case OP__SET_MIN_BLOCKSIZE:
  84. block->data.stream_info.min_blocksize = operation->argument.streaminfo_uint32.value;
  85. *needs_write = true;
  86. break;
  87. case OP__SET_MAX_BLOCKSIZE:
  88. block->data.stream_info.max_blocksize = operation->argument.streaminfo_uint32.value;
  89. *needs_write = true;
  90. break;
  91. case OP__SET_MIN_FRAMESIZE:
  92. block->data.stream_info.min_framesize = operation->argument.streaminfo_uint32.value;
  93. *needs_write = true;
  94. break;
  95. case OP__SET_MAX_FRAMESIZE:
  96. block->data.stream_info.max_framesize = operation->argument.streaminfo_uint32.value;
  97. *needs_write = true;
  98. break;
  99. case OP__SET_SAMPLE_RATE:
  100. block->data.stream_info.sample_rate = operation->argument.streaminfo_uint32.value;
  101. *needs_write = true;
  102. break;
  103. case OP__SET_CHANNELS:
  104. block->data.stream_info.channels = operation->argument.streaminfo_uint32.value;
  105. *needs_write = true;
  106. break;
  107. case OP__SET_BPS:
  108. block->data.stream_info.bits_per_sample = operation->argument.streaminfo_uint32.value;
  109. *needs_write = true;
  110. break;
  111. case OP__SET_TOTAL_SAMPLES:
  112. block->data.stream_info.total_samples = operation->argument.streaminfo_uint64.value;
  113. *needs_write = true;
  114. break;
  115. default:
  116. ok = false;
  117. FLAC__ASSERT(0);
  118. break;
  119. };
  121. FLAC__metadata_iterator_delete(iterator);
  123. return ok;
  124. }