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-rw-r--r--media/libopus/celt/entdec.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/media/libopus/celt/entdec.h b/media/libopus/celt/entdec.h
index 025fc1870d..c81f26fdb2 100644
--- a/media/libopus/celt/entdec.h
+++ b/media/libopus/celt/entdec.h
@@ -81,6 +81,16 @@ int ec_dec_bit_logp(ec_dec *_this,unsigned _logp);
Return: The decoded symbol s.*/
int ec_dec_icdf(ec_dec *_this,const unsigned char *_icdf,unsigned _ftb);
+/*Decodes a symbol given an "inverse" CDF table.
+ No call to ec_dec_update() is necessary after this call.
+ _icdf: The "inverse" CDF, such that symbol s falls in the range
+ [s>0?ft-_icdf[s-1]:0,ft-_icdf[s]), where ft=1<<_ftb.
+ The values must be monotonically non-increasing, and the last value
+ must be 0.
+ _ftb: The number of bits of precision in the cumulative distribution.
+ Return: The decoded symbol s.*/
+int ec_dec_icdf16(ec_dec *_this,const opus_uint16 *_icdf,unsigned _ftb);
+
/*Extracts a raw unsigned integer with a non-power-of-2 range from the stream.
The bits must have been encoded with ec_enc_uint().
No call to ec_dec_update() is necessary after this call.