Lines Matching defs:DitherContext

55 struct DitherContext {  struct
56     int method;
57     int noise_pos;
58     float scale;
59     float noise_scale;                              ///< Noise scale
60     int ns_taps;                                    ///< Noise shaping dither taps
61     float ns_scale;                                 ///< Noise shaping dither scale
62     float ns_scale_1;                               ///< Noise shaping dither scale^-1
63     int ns_pos;                                     ///< Noise shaping dither position
64     float ns_coeffs[NS_TAPS];                       ///< Noise shaping filter coefficients
65     float ns_errors[SWR_CH_MAX][2*NS_TAPS];
66     AudioData noise;                                ///< noise used for dithering
67 …                           ///< temporary storage when writing into the input buffer isn't possible
68 …bits;                         ///< the number of used output bits, needed to scale dither correctly