[FFmpeg-devel] [PATCH] AC3 volume options

Justin Ruggles justinruggles
Sun Dec 16 02:52:41 CET 2007


AC3, E-AC3, DTS, TrueHD all have dynamic range compression and dialog 
normalization capability.  Right now the AC3 decoder is the only one 
which uses them, and it applies them by default.

This patch disables them by default, but adds the options to allow the 
user to activate them if wanted.

The dialog normalization option is used for both encoding and decoding. 
  For the decoder, it just turns it on or off.  For the encoder, the 
value is used in the output stream.

Regression tests pass.


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