Update .m4v description and rename .mp4 fixture to .m4v (#567)

sindresorhus · Jan 6, 2023 · 54e5a94 · 54e5a94
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diff --git a/fixture/fixture.mp4 → fixture/fixture-2.m4v b/fixture/fixture.mp4 → fixture/fixture-2.m4v
diff --git a/readme.md b/readme.md
@@ -410,7 +410,7 @@ Returns a `Set<string>` of supported MIME types.
 - [`m4a`](https://en.wikipedia.org/wiki/M4A) - Audio-only MPEG-4 files
 - [`m4b`](https://en.wikipedia.org/wiki/M4B) - Audiobook and podcast MPEG-4 files, which also contain metadata including chapter markers, images, and hyperlinks
 - [`m4p`](https://en.wikipedia.org/wiki/MPEG-4_Part_14#Filename_extensions) - MPEG-4 files with audio streams encrypted by FairPlay Digital Rights Management as were sold through the iTunes Store
-- [`m4v`](https://en.wikipedia.org/wiki/M4V) -  MPEG-4 Visual bitstreams
+- [`m4v`](https://en.wikipedia.org/wiki/M4V) - Video container format developed by Apple, which is very similar to the MP4 format
 - [`mid`](https://en.wikipedia.org/wiki/MIDI) - Musical Instrument Digital Interface file
 - [`mie`](https://en.wikipedia.org/wiki/Sidecar_file) - Dedicated meta information format which supports storage of binary as well as textual meta information
 - [`mj2`](https://en.wikipedia.org/wiki/Motion_JPEG_2000) - Motion JPEG 2000

diff --git a/test.js b/test.js
@@ -158,6 +158,10 @@ const names = {
 	m4a: [
 		'fixture-babys-songbook.m4b', // Actually it's an `.m4b`
 	],
+	m4v: [
+		'fixture',
+		'fixture-2', // Previously named as `fixture.mp4`
+	],
 	flac: [
 		'fixture',
 		'fixture-id3v2', // FLAC prefixed with ID3v2 header