Dolby Digital | Plus Test File Repack ~repack~

Repacking Dolby Digital Plus (DD+) test files typically involves remuxing audio streams into different containers (like

Timestamp Preservation: Test files often rely on precise timing to verify A/V sync. The Presentation Time Stamp (PTS) and Decoding Time Stamp (DTS) must be calculated and inserted accurately.
Header Construction: The container header must accurately reflect the sample rate (typically 48kHz) and channel configuration (e.g., 5.1, 7.1, or Dolby Atmos objects).

-c:a copy: Instructs FFmpeg to perform a stream copy (no re-encoding), ensuring the bit-exactness of the test tones.
-map 0:a: Ensures all audio tracks are included.