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Cap Muxed Video Length to Video Source Length#108

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joelmacx wants to merge 4 commits intomainfrom
cap-muxl
Open

Cap Muxed Video Length to Video Source Length#108
joelmacx wants to merge 4 commits intomainfrom
cap-muxl

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@joelmacx joelmacx commented Apr 13, 2026

Description

Caps muxed video length to video source length. When muxing got reworked to accomodate silent GPAC errors this behaviour silently changed. This work reverts the behaviour to the way the old higher-level GPAC API handled this.

Changes

  • Updated muxing implementation to limit the MP4 duration to the video length.

Validation and Acceptance Criteria

  • Added unit test coverage.
  • Built Pro Tools installer and validated bounce. Muxed MP4 file was the duration of the source video, even though the audio stream was longer. Exported IAMF audio keeps expected length from Pro Tools.

@joelmacx joelmacx self-assigned this Apr 13, 2026
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