Decoder Validator v1.1 readme
1) Usage.
Select a single file handled by the decoder you want to test, select "Utils / Decoder Validator" or "Utils / Tag Writer Validator" from the context menu.
WARNING: Never run Tag Writer Validator on files you don't have backup copies of. Tag Writer Validator will repeatedly rewrite file's tags, with randomly generated info. In case of success (found problems with relevant tag writer implementations), the file will likely be permanently damaged or left with nonsense in its tags.
2) What Decoder Validator does.
Decoder Validator runs a series of automated decoding tests on the specified file, and reports any abnormal behaviors detected. It has been proven to be a highly useful tool for spotting certain kinds of bugs (especially inaccurate seeking).
Some of the problems it detects are potentially harmful (such as inaccurate seeking on archiving-oriented audio formats) and are hard to detect or reliably reproduce using other means.
Detected programming errors include:
- Different decoding results when decoding the same file again from start.
- Inaccurate seeking, noncompliant seeking-related behaviors.
- File corruption during tag updates.
- Incorrect/inconsistent behaviors of tag writer instance when asked to reread tags after a tag update.
3) What Decoder Validator does not do.
Decoder Validator does not:
- Entirely ensure that your code is bug-free.
- Check correctness of your decoder's output - only reference data it uses for comparisons is result of first decode pass, if your decoder consistently returns incorrect results, they won't be reported as incorrect.
- Fully replace user testing cycle.
- Test for exception transparency and abortability - abortability test has been excluded for performance reasons (since it was O(n^2)), you don't need automated tests to know whether your decoder implementation relays exceptions properly or not.
- Test for unicode support in tag writers.
- Test whether output of your tag writer is correct, only whether your own tag reader implementation reads it back and reports the same info as what it was asked to write.
- Test freeform metadata handling - tag writing test is restricted to specific hardcoded fields filled with random data.
4) But one of official components fails Decoder Validator tests!
This might occur because:
- Limitations of file format being tested break certain features.
- Bugs in third party libraries we have no power over (WMA)
- You have found a bug.
- The file you are trying to decode is corrupted and prevents decoder from returning results that the Validator would accept.
Foobar2000 SDK 2008 （278个子文件） 
guids.cpp 55KB playlist.cpp 29KB cue_parser.cpp 25KB filesystem.cpp 25KB string.cpp 18KB file_info.cpp 13KB metadb_handle_list.cpp 12KB cue_parser_embedding.cpp 12KB input_helpers.cpp 11KB menu_manager.cpp 11KB inplace_edit.cpp 11KB dsp.cpp 11KB menu_helpers.cpp 10KB file_move_helper.cpp 9KB playlist_loader.cpp 8KB audio_chunk.cpp 8KB file_info_const_impl.cpp 8KB input.cpp 8KB mp3_utils.cpp 7KB titleformat.cpp 7KB file_info_impl.cpp 7KB IDataObjectUtils.cpp 6KB sort.cpp 6KB win32_dialog.cpp 6KB utf8.cpp 6KB tag_processor.cpp 6KB replaygain.cpp 6KB string_conv.cpp 6KB config_object.cpp 6KB cue_creator.cpp 6KB seekabilizer.cpp 6KB dsp_manager.cpp 5KB file_operation_callback.cpp 5KB listview_helper.cpp 5KB window_placement_helper.cpp 5KB inplace_edit_v2.cpp 5KB audio_chunk_channel_config.cpp 5KB dialog_resize_helper.cpp 4KB foo_input_raw.cpp 4KB CDialogResizeHelper.cpp 4KB pathUtils.cpp 4KB replaygain_info.cpp 4KB file_info_merge.cpp 4KB cuesheet_index_list.cpp 4KB create_directory_helper.cpp 4KB dropdown_helper.cpp 3KB guid.cpp 3KB filetimetools.cpp 3KB metadb.cpp 3KB other.cpp 3KB filesystem_helper.cpp 3KB component_client.cpp 3KB file_info_update_helper.cpp 3KB text_file_loader.cpp 3KB printf.cpp 3KB tag_processor_id3v2.cpp 2KB stringNew.cpp 2KB stream_buffer_helper.cpp 2KB file_list_helper.cpp 2KB win32_misc.cpp 2KB input_file_type.cpp 2KB cfg_var.cpp 2KB service.cpp 2KB file_wrapper_simple.cpp 2KB VisUtils.cpp 2KB dynamic_bitrate_helper.cpp 2KB threaded_process.cpp 1KB menu_item.cpp 1KB console.cpp 1KB metadb_io_hintlist.cpp 1KB preload_info_helper.cpp 1KB metadb_handle.cpp 1KB wildcard.cpp 1KB clipboard.cpp 1KB selftest.cpp 1000B ui.cpp 948B playable_location.cpp 926B mainmenu.cpp 894B completion_notify.cpp 847B profiler.cpp 790B hasher_md5.cpp 611B threads.cpp 543B chapterizer.cpp 537B packet_decoder.cpp 521B commandline.cpp 518B preferences_page.cpp 473B modeless_dialog.cpp 463B album_art.cpp 439B config_io_callback.cpp 432B abort_callback.cpp 431B mem_block_container.cpp 377B utf8api.cpp 363B link_resolver.cpp 353B bsearch.cpp 317B stdafx.cpp 309B popup_message.cpp 261B app_close_blocker.cpp 225B StdAfx.cpp 220B playback_control.cpp 201B stdafx.cpp 66B共 278 条
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