| 898 | } |
| 899 | |
| 900 | void DetermineStep(Encoder &enc) { |
| 901 | int32_t lo = 1; |
| 902 | int32_t hi = 0x7FFF; |
| 903 | |
| 904 | do { |
| 905 | const int32_t midPoint = (lo + hi) >> 1; |
| 906 | int32_t errorAmt = calc_bits(enc, midPoint); |
| 907 | if (enc.m_threshold < errorAmt) { |
| 908 | lo = midPoint + 1; |
| 909 | } else { |
| 910 | hi = midPoint - 1; |
| 911 | } |
| 912 | } while (hi >= lo); |
| 913 | |
| 914 | if (enc.m_currBlockBitValue != lo) { |
| 915 | calc_bits(enc, lo); |
| 916 | } |
| 917 | } |
| 918 | |
| 919 | void WriteBands(Encoder &enc) { |
| 920 | enc.m_bits.WriteBits(enc.m_currBlockBitPower, 4); |
no test coverage detected