Compressed videos fail to play across devices

[alariej]

• iPhone videos play fine on iPhone, Android, web
• Samsung (various models) videos play fine on iPhone, Android, web
• LG (G6) videos play fine on Android, web, but not on iPhone (black screen, time counter runs, playing the file in the native iOS video player shows a black screen, but plays the audio track)
• Sony Xperia (model?) videos play on iPhone (with audio track), but not on Android or web (fixed image, time counter doesn't run, file plays fine in the native Android player)

[alariej]

Sony Xperia video, when trying to play on web:

onLoadedMetadata / onLoadStart -> target, returns an error:

error: MediaError code: 3 message: "PIPELINE_ERROR_DECODE: Failed to send audio packet for decoding: {timestamp=0 duration=21333 size=2 is_key_frame=1 encrypted=0}"

onLoadData, onLoad do not fire.

Downloading the file on Linux and trying to play in Firefox says file is corrupt. File plays fine in VLC.

[alariej]

LG G6 video, when trying to play on MacOS:

QuickTime player shows viewable video content, but all green shaded.