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Enable multiple audio presentations parsing for AC-4 in MP4 #2512

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Enable multiple audio presentations parsing for AC-4 in MP4 #2512

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  • Parse multiple audio presentations for AC-4 content
  • Populate audio presentations in a Format object associated with the audio track. Also allow to convert multiple audio presentations to Bundle using an unique key associated with Parcelable AudioPresentation objects.
  • Add a unit test to assess the parsing of multiple audio presentations and validate the onAudioPresentationChanged callback.

Test: Run new unit test playingAC4_MP4_with_multipleAudioPresentations
from libraries/exoplayer/src/test/java/androidx/media3/exoplayer/
ExoPlayerTest.java

@sqshet-dlb
Enable multiple audio presentations parsing for AC-4 in MP4
4a8c0a0 
* Parse multiple audio presentations for AC-4 content
* Populate audio presentations in a Format object associated with
  the audio track. Also allow to convert multiple audio presentations
  to Bundle using an unique key associated with Parcelable
  AudioPresentation objects.
* Add a unit test to assess the parsing of multiple audio
  presentations and validate the onAudioPresentationChanged callback.

Test: Run new unit test playingAC4_MP4_with_multipleAudioPresentations
      from libraries/exoplayer/src/test/java/androidx/media3/exoplayer/
      ExoPlayerTest.java
Change-Id: I150a6b800c4e4d22b0f1ef608eed3a1c4c9c3b9f
@icbaker icbaker requested a review from rohitjoins June 6, 2025 15:04
@sqshet-dlb sqshet-dlb closed this Jun 20, 2025
@sqshet-dlb sqshet-dlb deleted the dlb/AC4-MP4-MultipleAudioPresentations branch June 20, 2025 04:17
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