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  /frameworks/base/media/libstagefright/codecs/amrwb/src/
qpisf_2s.cpp 94 #define MU 10923 /* Prediction factor (1.0/3.0) in Q15 */
171 isf_q[i] += ((int32)MU * past_isfq[i]) >> 15;
210 tmp = add_int16(ref_isf[i], mult_int16(past_isfq[i], MU)); /* predicted ISF */
265 isf_q[i] = add_int16(isf_q[i], mult_int16(MU, past_isfq[i]));
305 tmp = add_int16(ref_isf[i], mult_int16(past_isfq[i], MU)); /* predicted ISF */
  /frameworks/base/media/libstagefright/codecs/amrnb/common/include/
cnst.h 88 #define MU 26214 /* Factor for tilt compensation filter 0.8 */
  /frameworks/base/media/libstagefright/codecs/amrwbenc/src/
qpisf_2s.c 32 #define MU 10923 /* Prediction factor (1.0/3.0) in Q15 */
73 isf[i] = vo_sub(isf[i], vo_mult(MU, past_isfq[i]));
163 isf[i] = vo_sub(isf[i], vo_mult(MU, past_isfq[i]));
266 isf_q[i] = add1(isf_q[i], vo_mult(MU, past_isfq[i]));
302 tmp = add1(ref_isf[i], vo_mult(past_isfq[i], MU)); /* predicted ISF */
359 isf_q[i] = add1(isf_q[i], vo_mult(MU, past_isfq[i]));
396 tmp = add1(ref_isf[i], vo_mult(past_isfq[i], MU)); /* predicted ISF */

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