audio_coding/codecs/isac/main: Replaced macro WEBRTC_SPL_RSHIFT_W32 with >>
BUG=3348,3353
TESTED=locally on linux and trybots
R=henrik.lundin@webrtc.org, kwiberg@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/30739004
git-svn-id: http://webrtc.googlecode.com/svn/trunk@7474 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_coding/codecs/isac/main/source/entropy_coding.c b/webrtc/modules/audio_coding/codecs/isac/main/source/entropy_coding.c
index 9ae69a0..6cd3310 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/source/entropy_coding.c
+++ b/webrtc/modules/audio_coding/codecs/isac/main/source/entropy_coding.c
@@ -106,14 +106,13 @@
for (n = 0; n < AR_ORDER + 1; n++) {
sum += WEBRTC_SPL_MUL(ARCoefQ12[n], ARCoefQ12[n]); /* Q24 */
}
- sum = WEBRTC_SPL_RSHIFT_W32(WEBRTC_SPL_MUL(WEBRTC_SPL_RSHIFT_W32(sum, 6),
- 65) + 32768, 16); /* Q8 */
- CorrQ11[0] = WEBRTC_SPL_RSHIFT_W32(WEBRTC_SPL_MUL(sum, gainQ10) + 256, 9);
+ sum = ((sum >> 6) * 65 + 32768) >> 16; /* Q8 */
+ CorrQ11[0] = (sum * gainQ10 + 256) >> 9;
/* To avoid overflow, we shift down gainQ10 if it is large.
* We will not lose any precision */
if (gainQ10 > 400000) {
- tmpGain = WEBRTC_SPL_RSHIFT_W32(gainQ10, 3);
+ tmpGain = gainQ10 >> 3;
round = 32;
shftVal = 6;
} else {
@@ -126,9 +125,8 @@
sum = 16384;
for (n = k; n < AR_ORDER + 1; n++)
sum += WEBRTC_SPL_MUL(ARCoefQ12[n - k], ARCoefQ12[n]); /* Q24 */
- sum = WEBRTC_SPL_RSHIFT_W32(sum, 15);
- CorrQ11[k] = WEBRTC_SPL_RSHIFT_W32(WEBRTC_SPL_MUL(sum, tmpGain) + round,
- shftVal);
+ sum >>= 15;
+ CorrQ11[k] = (sum * tmpGain + round) >> shftVal;
}
sum = WEBRTC_SPL_LSHIFT_W32(CorrQ11[0], 7);
for (n = 0; n < FRAMESAMPLES / 8; n++) {
@@ -136,8 +134,7 @@
}
for (k = 1; k < AR_ORDER; k += 2) {
for (n = 0; n < FRAMESAMPLES / 8; n++) {
- CurveQ16[n] += WEBRTC_SPL_RSHIFT_W32(WEBRTC_SPL_MUL(
- WebRtcIsac_kCos[k][n], CorrQ11[k + 1]) + 2, 2);
+ CurveQ16[n] += (WebRtcIsac_kCos[k][n] * CorrQ11[k + 1] + 2) >> 2;
}
}
@@ -155,14 +152,12 @@
shftVal = 0;
}
for (n = 0; n < FRAMESAMPLES / 8; n++) {
- diffQ16[n] = WEBRTC_SPL_RSHIFT_W32(WEBRTC_SPL_MUL(
- CS_ptrQ9[n], WEBRTC_SPL_RSHIFT_W32(CorrQ11[1], shftVal)) + 2, 2);
+ diffQ16[n] = (CS_ptrQ9[n] * (CorrQ11[1] >> shftVal) + 2) >> 2;
}
for (k = 2; k < AR_ORDER; k += 2) {
CS_ptrQ9 = WebRtcIsac_kCos[k];
for (n = 0; n < FRAMESAMPLES / 8; n++) {
- diffQ16[n] += WEBRTC_SPL_RSHIFT_W32(WEBRTC_SPL_MUL(
- CS_ptrQ9[n], WEBRTC_SPL_RSHIFT_W32(CorrQ11[k + 1], shftVal)) + 2, 2);
+ diffQ16[n] += (CS_ptrQ9[n] * (CorrQ11[k + 1] >> shftVal) + 2) >> 2;
}
}