0 Correct - Some correct files.
1 EBML-ELEM-START - The first element must be the EBML header.
2 EBML-VER-COH - EBMLVersion validity.
3 EBML-DOCVER-COH - DocTypeVersion validity.
4 MKV-ELEMENT-VALID-PARENT - All elements must have valid parents.
5 EBML-ELEMENT-NONMULTIPLES - Elements must follow maxOccurs.
6 EBML-ELEMENT-CONTAINS-MANDATES - Elements must follow minOccurs.
7 EBML-VALID-MAXID - EBMLMaxIDLength validity.
8 EBML-VALID-MAXSIZE - EBMLMaxSizeLength validity.
9 EBML-HEADER-ELEMENTS-WITHIN-MAXIDLENGTH - Header elements in element ID length range.
10 EBML-ELEMENTS-WITHIN-MAXIDLENGTH - Elements in element ID length range (Deprecated).
11 EBML-HEADER-ELEMENTS-WITHIN-MAXSIZELENGTH - Header Elements in element data size length range.
12 EBML-ELEMENTS-WITHIN-MAXSIZELENGTH - Elements in element data size length range.
13 EBML-VINT-EFF - EBML vint efficiency (Deprecated).
14 MKV-KNOWN-ELEM - Element ID registered (Deprecated).
15 EBML-ELEM-UNKNOWN-SIZE - Element Size 0x7F Reservation.
16 EBML-ELEM-SIZE-CAP - Element size byte length limit (Deprecated).
17 EBML-ELEM-SIZE-UNK - Element size unknown (Deprecated).
18 EBML-WITHIN-SIZE-LIMIT - Element data within size limits.
19 EBML-ASCII-ONLY-IN-STRING - ASCII-only data in string.
20 MKV-SEEK-RESOLVE - The Matroska seek elements properly resolve.
21 EBML-CRC-FIRST - EBML CRC element must be first.
22 EBML-CRC-VALID - EBML CRC element must contain a valid hash.
23 EBML-CRC-LENGTH - EBML CRC element must use a valid length (Deprecated).
24 EBML-MINVER-COHERANT - EBML elements used correlate to DocVersion.
25 EBML-MAXVER-COHERANT - EBML elements used correlate to DocVersion.
26 MKV-DOCTYPEREADVERSION-COHERANT - EBML elements used correlate to DocTypeReadVersion.
27 MKV-SEGMENT-UID-LENGTH - Matroska segment element must use a valid length (Deprecated).
28 EBML-ELEMENT-IN-SIZE-RANGE - EBML element adhers to size restrictions.
29 EBML-ELEMENT-VALID-RANGE - EBML element adhers to range restrictions.
30 MKV-VALID-TRACKTYPE-VALUE - Matroska TrackType validity.
31 MKV-VALID-BOOLEANS - Matroska boolean elements validity (Deprecated).
32 MKV-NUMERICAL-TAG - Matroska tag defined as numerical should be.
33 FFV1-HEADER-version-OUTOFBAND - Version 3 must have out of band data.
34 FFV1-HEADER-version-LATERVERSION - Version must be one of the defined versions.
35 FFV1-HEADER-version-EXPERIMENTAL - Version must not be experimental.
36 FFV1-HEADER-micro_version-EXPERIMENTAL - micro_version must not be experimental.
37 FFV1-HEADER-coder_type - coder_type validity.
38 FFV1-HEADER-state_transition_delta - state_transition_delta validity.
39 FFV1-HEADER-colorspace_type - colorspace_type validity.
40 FFV1-HEADER-bits_per_raw_sample - bits_per_raw_sample coherency.
41 FFV1-HEADER-num_h_slices - num_h_slices validity.
42 FFV1-HEADER-num_v_slices - num_v_slices validity.
43 FFV1-HEADER-FFV1-HEADER-quant_table_count - quant_table_count coherency.
44 FFV1-HEADER-QuantizationTable-len - Quantization table len coherency.
45 FFV1-HEADER-QuantizationTable-scale - Quantization table scale coherency.
46 FFV1-HEADER-initial_state_delta - initial_state_delta coherency.
47 FFV1-HEADER-ec - ec flag validity.
48 FFV1-HEADER-intra - intra flag validity.
49 FFV1-HEADER-configuration_record_crc_parity - Header CRC must contain a valid hash.
50 FFV1-HEADER-END - Header must be complete.
51 FFV1-SLICE-slice_xywh - Slice position and size must be contained in the slices array.
52 FFV1-SLICE-quant_table_index - quant_table_index validity.
53 FFV1-SLICE-picture_structure - picture_structure validity.
54 FFV1-SLICE-sar_den - sar_den coherency.
55 FFV1-SLICE-slice_size - slice_size coherency.
56 FFV1-SLICE-JUNK - No junk at the end of the slice.
57 FFV1-SLICE-slice_crc_parity - Slice CRC must contain a valid hash.
58 FFV1-SLICE-SliceContent - Slice CRC must contain a valid hash.
59 FFV1-FRAME-END - Frame must end correctly.
60 PCM-IS-VALID - (Deprecated).
61 MKV-V4 - Matroska version 4.
62 MKV-SEGMENTUID-PRESENT - SegmentUID presence.
63 MKV-SEEKHEAD-PRESENT - SeekHead presence.
64 MKV-INTERLACEMENT-CLARITY - Interlaced video clarification.
65 MKV-SAMPLE-RANGE-CLARITY - Video sample range clarification.
66 MKV-COLOUR-PRIMARY-CLARITY - Video colour primary clarification.
67 FFV1-SLICE-error_status - error_status validity.
68 FFV1-FRAME-key_frame-ISNOTINTRA - key_frame coherency.
69 EBML-NO-JUNK-IN-FIXEDSIZE-ELEMENT - No junk bytes if the size of an element is fixed.
When feasible, classes document a programmatic method to generate a test file that should trigger the associated implementation check. These methods require ffmpeg 3.3, xmlstarlet, mkvparse, and/or sfk to perform.