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Diffstat (limited to 'webrtc/modules/audio_processing/agc/digital_agc.c')
-rw-r--r--webrtc/modules/audio_processing/agc/digital_agc.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/webrtc/modules/audio_processing/agc/digital_agc.c b/webrtc/modules/audio_processing/agc/digital_agc.c
index da087ca3c1..922eafb1ed 100644
--- a/webrtc/modules/audio_processing/agc/digital_agc.c
+++ b/webrtc/modules/audio_processing/agc/digital_agc.c
@@ -235,14 +235,14 @@ int32_t WebRtcAgc_CalculateGainTable(int32_t *gainTable, // Q16
fracPart = (uint16_t)(tmp32 & 0x00003FFF); // in Q14
if (WEBRTC_SPL_RSHIFT_W32(fracPart, 13))
{
- tmp16 = WEBRTC_SPL_LSHIFT_W16(2, 14) - constLinApprox;
+ tmp16 = (2 << 14) - constLinApprox;
tmp32no2 = WEBRTC_SPL_LSHIFT_W32(1, 14) - fracPart;
tmp32no2 *= tmp16;
tmp32no2 = WEBRTC_SPL_RSHIFT_W32(tmp32no2, 13);
tmp32no2 = WEBRTC_SPL_LSHIFT_W32(1, 14) - tmp32no2;
} else
{
- tmp16 = constLinApprox - WEBRTC_SPL_LSHIFT_W16(1, 14);
+ tmp16 = constLinApprox - (1 << 14);
tmp32no2 = fracPart * tmp16;
tmp32no2 = WEBRTC_SPL_RSHIFT_W32(tmp32no2, 13);
}
@@ -480,7 +480,7 @@ int32_t WebRtcAgc_ProcessDigital(DigitalAgc_t *stt, const int16_t *in_near,
}
// Gate processing (lower gain during absence of speech)
- zeros = WEBRTC_SPL_LSHIFT_W16(zeros, 9) - WEBRTC_SPL_RSHIFT_W16(frac, 3);
+ zeros = (zeros << 9) - (frac >> 3);
// find number of leading zeros
zeros_fast = WebRtcSpl_NormU32((uint32_t)stt->capacitorFast);
if (stt->capacitorFast == 0)
@@ -488,7 +488,7 @@ int32_t WebRtcAgc_ProcessDigital(DigitalAgc_t *stt, const int16_t *in_near,
zeros_fast = 31;
}
tmp32 = (WEBRTC_SPL_LSHIFT_W32(stt->capacitorFast, zeros_fast) & 0x7FFFFFFF);
- zeros_fast = WEBRTC_SPL_LSHIFT_W16(zeros_fast, 9);
+ zeros_fast <<= 9;
zeros_fast -= (int16_t)WEBRTC_SPL_RSHIFT_W32(tmp32, 22);
gate = 1000 + zeros_fast - zeros - stt->vadNearend.stdShortTerm;
@@ -645,14 +645,14 @@ void WebRtcAgc_InitVad(AgcVad_t *state)
state->HPstate = 0; // state of high pass filter
state->logRatio = 0; // log( P(active) / P(inactive) )
// average input level (Q10)
- state->meanLongTerm = WEBRTC_SPL_LSHIFT_W16(15, 10);
+ state->meanLongTerm = 15 << 10;
// variance of input level (Q8)
state->varianceLongTerm = WEBRTC_SPL_LSHIFT_W32(500, 8);
state->stdLongTerm = 0; // standard deviation of input level in dB
// short-term average input level (Q10)
- state->meanShortTerm = WEBRTC_SPL_LSHIFT_W16(15, 10);
+ state->meanShortTerm = 15 << 10;
// short-term variance of input level (Q8)
state->varianceShortTerm = WEBRTC_SPL_LSHIFT_W32(500, 8);
@@ -739,7 +739,7 @@ int16_t WebRtcAgc_ProcessVad(AgcVad_t *state, // (i) VAD state
}
// energy level (range {-32..30}) (Q10)
- dB = WEBRTC_SPL_LSHIFT_W16(15 - zeros, 11);
+ dB = (15 - zeros) << 11;
// Update statistics
@@ -780,7 +780,7 @@ int16_t WebRtcAgc_ProcessVad(AgcVad_t *state, // (i) VAD state
state->stdLongTerm = (int16_t)WebRtcSpl_Sqrt(tmp32);
// update voice activity measure (Q10)
- tmp16 = WEBRTC_SPL_LSHIFT_W16(3, 12);
+ tmp16 = 3 << 12;
tmp32 = WEBRTC_SPL_MUL_16_16(tmp16, (dB - state->meanLongTerm));
tmp32 = WebRtcSpl_DivW32W16(tmp32, state->stdLongTerm);
tmpU16 = (13 << 12);