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authorJohn Stebbins <stebbins@jetheaddev.com>2015-11-05 09:49:04 -0800
committerAnton Khirnov <anton@khirnov.net>2015-11-18 11:38:03 +0100
commitca489564ae150bc41764f175b88151d883e69ae0 (patch)
treea654a3fae6ba0a862b682b39dabe582989c51949 /libavcodec/svq3.c
parent79ae1e630b476889c251fc905687a3831b43ab5e (diff)
downloadffmpeg-ca489564ae150bc41764f175b88151d883e69ae0.tar.gz
movenc: add fallback audio track tref support
This feature allows making associations between audio tracks that apple players recognize. E.g. when an ac3 track has a tref that points to an aac track, devices that don't support ac3 will automatically fall back to the aac track. Apple used to *guess* these associations, but new products (AppleTV 4) no longer guess and this association can only be made explicitly now using the "fall" tref. Signed-off-by: Anton Khirnov <anton@khirnov.net>
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