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MP4: Hard-Burned Caption (EN)

Hard-burned EN SAMPLE caption for OCR language tests.

File: MP4 · Subs · 480x270
Use case: Conversion testingOCR testing· Conversion set

MP4: Hard-Burned Caption (ES)

Hard-burned ES SAMPLE caption for OCR language tests.

File: MP4 · Subs · 480x270
Use case: Conversion testingOCR testing· Conversion set

MP4: Hard-Burned Caption Twin

Hard-burned caption twin of the soft-sub clip, for burn-in detection and OCR.

File: MP4 · Subs · 480x270
Use case: Conversion testingOCR testing· Paired fixture

MP4: Landscape 16:9 Twin

Short 16:9 SAMPLE clip at 480x270 for aspect-ratio and social-crop tooling.

File: MP4 · Aspect · 480x270
Use case: Conversion testing· Conversion set

MP4: Landscape Wide

Additional aspect SAMPLE (640x360) for social and player testing.

File: MP4 · Aspect · 640x360
Use case: Conversion testing· Conversion set

MP4: Letterbox Bars

Content framed with black letterbox bars, for autocrop and aspect-ratio tools.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4: Pillarbox Bars

Content with vertical pillarbox bars, for autocrop tools.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4: Portrait 9:16

Short 9:16 SAMPLE clip at 270x480 for aspect-ratio and social-crop tooling.

File: MP4 · Aspect · 270x480
Use case: Conversion testing· Conversion set

MP4: Portrait Soft

Additional aspect SAMPLE (360x640) for social and player testing.

File: MP4 · Aspect · 360x640
Use case: Conversion testing· Conversion set

MP4: Rotate Metadata 180°

SAMPLE clip tagged/encoded for 180° rotation, for orientation-aware players.

File: MP4 · Rotate · 480x270
Use case: Conversion testing· Conversion set

MP4: Rotate Metadata 270°

SAMPLE clip tagged/encoded for 270° rotation, for orientation-aware players.

File: MP4 · Rotate · 480x270
Use case: Conversion testing· Conversion set

MP4: Rotate Metadata 90°

SAMPLE clip tagged/encoded for 90° rotation, for orientation-aware players.

File: MP4 · Rotate · 480x270
Use case: Conversion testing· Conversion set

MP4: Soft Subtitle Track

Short clip with a SAMPLE soft subtitle track (mov_text): twin to the hard-burned caption.

File: MP4 · Subs · 480x270
Use case: Conversion testingSubtitle parsing· Paired fixture

MP4: Solid Blue Field

Short solid blue field SAMPLE for colour and flash QC detectors.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4: Solid Gray Field

Short solid gray field SAMPLE for colour and flash QC detectors.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4: Solid Green Field

Short solid green field SAMPLE for colour and flash QC detectors.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4: Solid Red Field

Short solid red field SAMPLE for colour and flash QC detectors.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4: Square 1:1

Short 1:1 SAMPLE clip at 270x270 for aspect-ratio and social-crop tooling.

File: MP4 · Aspect · 270x270
Use case: Conversion testing· Conversion set

MP4: Strobe / Flash Frames

Short strobe/flash pattern for photosensitivity QC and flash-frame detectors.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4: White Flash Frames

Short white flash frames SAMPLE for colour and flash QC detectors.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MPEG: MPEG-1 Clip

The clip as MPEG-1 in an MPEG program stream (.mpg): the VCD-era format. For testing legacy MPEG demuxing and conversion to modern codecs.

File: MPG · Mpg · 480x270
Use case: Conversion testing

MRR Eval Ground Truth (JSON)

Mean reciprocal rank ground truth for search eval harness tests.

File: JSON · Ranking
Use case: Model evaluation

Preview of MSTest: TRX Result File — Actual file preview for MSTest: TRX Result File

The `dotnet test` TRX document in full: Times, TestSettings, Results, TestDefinitions, TestEntries, TestLists and a ResultSummary with sixteen counters. Results and definitions are joined on GUIDs, so a converter that reads only <Results> loses every class name. Reports the same canonical run as the JUnit dialect files: 12 tests, 9 passed, 1 assertion failure, 1 error and 1 skip.

File: TRX · Runners · UTF-8
Use case: Conversion testingLog parsing+1· Conversion set

mta-sts.txt (RFC 8461 SMTP MTA-STS policy)

An SMTP MTA-STS policy in enforce mode listing three MX patterns, one of them a wildcard, with a seven-day max_age. RFC 8461 specifies CRLF line endings, so this fixture is written with them deliberately - for testing policy parsers that split on bare LF.

File: TXT · Well Known
Use case: Web assetsConfig parsing+1· Conversion set