Feature Request - MP4 bitrate control property
Yannis Calotychos
ycalot at gmail.com
Tue Jun 3 13:28:34 BST 2025
Hello,
As there doesn’t seem to be a way to enumerate MP4 file atoms (correct me if I'm wrong), it would be nice to have the bitrate control value as a class property (same way as the codec property).
This information is stored in the ‘acbf’ atom as UInt32, and can take a value of:
kAudioCodecBitRateControlMode_Constant = 0,
kAudioCodecBitRateControlMode_LongTermAverage = 1,
kAudioCodecBitRateControlMode_VariableConstrained = 2,
kAudioCodecBitRateControlMode_Variable = 3,
Thank you
Yannis Calotychos.
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