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/external/webrtc/webrtc/modules/audio_processing/agc/legacy/
Ddigital_agc.c76 const int16_t kCompRatio = 3; in WebRtcAgc_CalculateGainTable() local
90 tmp32no1 = (digCompGaindB - analogTarget) * (kCompRatio - 1); in WebRtcAgc_CalculateGainTable()
92 tmp16no1 += WebRtcSpl_DivW32W16ResW16(tmp32no1 + (kCompRatio >> 1), kCompRatio); in WebRtcAgc_CalculateGainTable()
94 tmp32no1 = maxGain * kCompRatio; in WebRtcAgc_CalculateGainTable()
96 zeroGainLvl -= WebRtcSpl_DivW32W16ResW16(tmp32no1 + ((kCompRatio - 1) >> 1), in WebRtcAgc_CalculateGainTable()
97 kCompRatio - 1); in WebRtcAgc_CalculateGainTable()
107 tmp32no1 = digCompGaindB * (kCompRatio - 1); in WebRtcAgc_CalculateGainTable()
108 diffGain = WebRtcSpl_DivW32W16ResW16(tmp32no1 + (kCompRatio >> 1), kCompRatio); in WebRtcAgc_CalculateGainTable()
121 tmp16no1 = WebRtcSpl_DivW32W16ResW16(limiterOffset + (kCompRatio >> 1), kCompRatio); in WebRtcAgc_CalculateGainTable()
141 tmp16 = (int16_t)((kCompRatio - 1) * (i - 1)); // Q0 in WebRtcAgc_CalculateGainTable()
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