Lines Matching refs:ratio
50 * uds_output_size - Return the output size for an input size and scaling ratio
52 * @ratio: scaling ratio in U4.12 fixed-point format
54 static unsigned int uds_output_size(unsigned int input, unsigned int ratio)
56 if (ratio > 4096) {
60 mp = ratio / 4096;
63 return (input - 1) / mp * mp * 4096 / ratio + 1;
66 return (input - 1) * 4096 / ratio + 1;
84 * uds_passband_width - Return the passband filter width for a scaling ratio
85 * @ratio: scaling ratio in U4.12 fixed-point format
87 static unsigned int uds_passband_width(unsigned int ratio)
89 if (ratio >= 4096) {
93 mp = ratio / 4096;
96 return 64 * 4096 * mp / ratio;