diff options
Diffstat (limited to 'media/libopus/celt/entdec.h')
| -rw-r--r-- | media/libopus/celt/entdec.h | 10 |
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. |