diff options
Diffstat (limited to 'media/libstagefright/codecs/amrwbenc/src/int_lpc.c')
| -rw-r--r-- | media/libstagefright/codecs/amrwbenc/src/int_lpc.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/media/libstagefright/codecs/amrwbenc/src/int_lpc.c b/media/libstagefright/codecs/amrwbenc/src/int_lpc.c index 1119bc7..3d8b8cb 100644 --- a/media/libstagefright/codecs/amrwbenc/src/int_lpc.c +++ b/media/libstagefright/codecs/amrwbenc/src/int_lpc.c @@ -30,36 +30,36 @@ void Int_isp( - Word16 isp_old[], /* input : isps from past frame */ - Word16 isp_new[], /* input : isps from present frame */ - Word16 frac[], /* input : fraction for 3 first subfr (Q15) */ - Word16 Az[] /* output: LP coefficients in 4 subframes */ - ) + Word16 isp_old[], /* input : isps from past frame */ + Word16 isp_new[], /* input : isps from present frame */ + Word16 frac[], /* input : fraction for 3 first subfr (Q15) */ + Word16 Az[] /* output: LP coefficients in 4 subframes */ + ) { - Word32 i, k; - Word16 fac_old, fac_new; - Word16 isp[M]; - Word32 L_tmp; + Word32 i, k; + Word16 fac_old, fac_new; + Word16 isp[M]; + Word32 L_tmp; - for (k = 0; k < 3; k++) - { - fac_new = frac[k]; - fac_old = (32767 - fac_new) + 1; /* 1.0 - fac_new */ + for (k = 0; k < 3; k++) + { + fac_new = frac[k]; + fac_old = (32767 - fac_new) + 1; /* 1.0 - fac_new */ - for (i = 0; i < M; i++) - { - L_tmp = (isp_old[i] * fac_old)<<1; - L_tmp += (isp_new[i] * fac_new)<<1; - isp[i] = (L_tmp + 0x8000)>>16; - } - Isp_Az(isp, Az, M, 0); - Az += MP1; - } + for (i = 0; i < M; i++) + { + L_tmp = (isp_old[i] * fac_old)<<1; + L_tmp += (isp_new[i] * fac_new)<<1; + isp[i] = (L_tmp + 0x8000)>>16; + } + Isp_Az(isp, Az, M, 0); + Az += MP1; + } - /* 4th subframe: isp_new (frac=1.0) */ - Isp_Az(isp_new, Az, M, 0); + /* 4th subframe: isp_new (frac=1.0) */ + Isp_Az(isp_new, Az, M, 0); - return; + return; } |