Support extracting standalone IAMF from MP4#60
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…o reflect additional properties. (gpac#3567) - `reframers.sh`, `reframer-iamf-ext-rewrite.hash`: New test for standalone IAMF extraction. - `mp4box-io-audio_opus.iamf`: Includes superior RFC6381 identifier: ```diff - Codec: NULL + Codec: iamf.001.001.opus ``` - `mp4box-mux-add-iamf`: Includes superior RFC6381 identifier, clean up buggy IA Sequence Header (0xf8) reporting "configurationVersion 248": ```diff - [IAMF] Unknown configurationVersion 248 - PID 2 ID 2 audio ... codec AOM IAMF (Immersive Audio Model and Formats) + PID 2 ID 2 audio ... codec iamf.001.001.opus AOM IAMF (Immersive Audio Model and Formats) ```
Add test for standalone IAMF extraction. Update IAMF inspect hashes t…
- Break out test, to help test round-trip reframing from standalone IAMF -> IAMF in MP4 -> back to standalone IAMF. - Rename the intermediate file to `audio_iamf.mp4` to be less ambiguous. - Fill in hash for expected output.
Fix hardcoded path in reframer-iamf test. (gpac#3567)
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original PR #59 merged to a local branch for buildbot
merge this one into master before merging gpac/gpac#3567