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  /frameworks/av/media/libstagefright/codecs/amrnb/enc/src/
levinson.cpp 477 Word16 Kh, Kl; // reflexion coefficient; hi and lo
491 L_Extract (t0, &Kh, &Kl); // K in DPF
500 t0 = Mpy_32 (Kh, Kl, Kh, Kl); // K*K
537 L_Extract (t2, &Kh, &Kl); // K in DPF
567 t0 = Mpy_32 (Kh, Kl, Ah[i - j], Al[i - j]);
576 t0 = Mpy_32 (Kh, Kl, Kh, Kl); // K*K
646 Word16 Kl;
680 Kl = (Word16)((t0 >> 1) - ((Word32)(Kh) << 15))
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  /frameworks/av/media/libstagefright/codecs/amrwbenc/src/
levinson.c 117 Word16 Kh, Kl; /* reflection coefficient; hi and lo */
137 Kl = (t0 & 0xffff)>>1;
145 t0 = Mpy_32(Kh, Kl, Kh, Kl); /* K*K in Q31 */
183 Kl = (t2 & 0xffff)>>1;
205 t0 = Mpy_32(Kh, Kl, Ah[i - j], Al[i - j]);
215 t0 = Mpy_32(Kh, Kl, Kh, Kl); /* K*K in Q31 */

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