Changes between Initial Version and Version 2 of Ticket #11224


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Timestamp:
Oct 2, 2024, 10:44:26 PM (2 years ago)
Author:
markshw2222
Comment:

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  • Ticket #11224 – Description

    initial v2  
    11IPhone 16 introduced spatial audio. They use multiple audio tracks to carry audio. One track is enabled the other is disabled. When specifying filter_complex "[0:a]..." the first audio track is selected, even it is disabled
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     4Apple spec: https://developer.apple.com/documentation/quicktime-file-format/preparing_sound_and_subtitle_alternate_groups_for_use_with_apple_devices/
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    26In this case, the disable track also have no audio codec set, so conversion fails
    37