“SideBySideToMVHEVC” removes the audio track from our videos resulting in useless content

Hi,

This Apple provided program “SideBySideToMVHEVC” removes the audio track from our videos resulting in useless content.

Advise for:

  • code changes required permitting keeping the audio track

Or

  • advise for Apple tools permitting re-inserting the audio track after “SideBySideToMVHEVC”

Sincerely, Olaf

Hello @quantumguru,

This Apple provided program “SideBySideToMVHEVC” removes the audio track from our videos resulting in useless content.

Yes, that sample app does not account for anything other than the first visual track of the source asset. That sample app "demonstrates the process for converting side-by-side video files to MV-HEVC, encoding the output as a QuickTime file" (emphasis added), it is not intended to be used directly as a conversion tool.

I recommend the following:

  1. File an enhancement request using Feedback Assistant to request a tool that has the functionality you are looking for.
  2. Try modifying that sample app to build a tool that has the functionality you are looking for.

The 2nd option has been chosen and audio and video is now present.

Nevertheless mediastreamvalidator check/reports for HLS Authoring Specification for Apple Devices states:

  • General requirements -Must Fix Issues -You MUST declare REQ-VIDEO-LAYOUT for variants containing other then standard monoscopic video Variant #1

We checked twice and with different MV-HEVC videos:

all .m3u8 files relevant have already the REQ-VIDEO-LAYOUT="CH-STEREO" parameter set.

Q: This appears to us as mediastreamvalidator error - advice if we can ignore this or not.

I extract the sound track and add the sound track to the mov file after the CONVERT

“SideBySideToMVHEVC” removes the audio track from our videos resulting in useless content
 
 
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