diff options
Diffstat (limited to 'media/libstagefright/codecs/amrwbenc/src/q_gain2.c')
| -rw-r--r-- | media/libstagefright/codecs/amrwbenc/src/q_gain2.c | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/media/libstagefright/codecs/amrwbenc/src/q_gain2.c b/media/libstagefright/codecs/amrwbenc/src/q_gain2.c index 7bc299f..e8ca043 100644 --- a/media/libstagefright/codecs/amrwbenc/src/q_gain2.c +++ b/media/libstagefright/codecs/amrwbenc/src/q_gain2.c @@ -83,7 +83,7 @@ Word16 Q_gain2( /* Return index of quantization. Word32 i, j, L_tmp, dist_min; Word16 *past_qua_en, *t_qua_gain; - past_qua_en = mem; + past_qua_en = mem; /*-----------------------------------------------------------------* * - Find the initial quantization pitch index * @@ -91,9 +91,9 @@ Word16 Q_gain2( /* Return index of quantization. *-----------------------------------------------------------------*/ if (nbits == 6) { - t_qua_gain = t_qua_gain6b; - min_ind = 0; - size = RANGE; + t_qua_gain = t_qua_gain6b; + min_ind = 0; + size = RANGE; if(gp_clip == 1) { @@ -101,18 +101,18 @@ Word16 Q_gain2( /* Return index of quantization. } } else { - t_qua_gain = t_qua_gain7b; + t_qua_gain = t_qua_gain7b; p = t_qua_gain7b + RANGE; /* pt at 1/4th of table */ - j = nb_qua_gain7b - RANGE; + j = nb_qua_gain7b - RANGE; if (gp_clip == 1) { j = j - 27; /* limit gain pitch to 1.0 */ } - min_ind = 0; - g_pitch = *gain_pit; + min_ind = 0; + g_pitch = *gain_pit; for (i = 0; i < j; i++, p += 2) { @@ -121,7 +121,7 @@ Word16 Q_gain2( /* Return index of quantization. min_ind = min_ind + 1; } } - size = RANGE; + size = RANGE; } /*------------------------------------------------------------------* @@ -137,10 +137,10 @@ Word16 Q_gain2( /* Return index of quantization. * are in vector g_coeff[]. * *------------------------------------------------------------------*/ - coeff[0] = g_coeff[0]; - exp_coeff[0] = g_coeff[1]; + coeff[0] = g_coeff[0]; + exp_coeff[0] = g_coeff[1]; coeff[1] = negate(g_coeff[2]); /* coeff[1] = -2 xn y1 */ - exp_coeff[1] = g_coeff[3] + 1; + exp_coeff[1] = g_coeff[3] + 1; /* Compute scalar product <y2[],y2[]> */ #ifdef ASM_OPT /* asm optimization branch */ @@ -242,20 +242,20 @@ Word16 Q_gain2( /* Return index of quantization. *-------------------------------------------------------------------------*/ exp_code = (exp_gcode0 + 4); - exp_max[0] = (exp_coeff[0] - 13); - exp_max[1] = (exp_coeff[1] - 14); - exp_max[2] = (exp_coeff[2] + (15 + (exp_code << 1))); - exp_max[3] = (exp_coeff[3] + exp_code); - exp_max[4] = (exp_coeff[4] + (1 + exp_code)); + exp_max[0] = (exp_coeff[0] - 13); + exp_max[1] = (exp_coeff[1] - 14); + exp_max[2] = (exp_coeff[2] + (15 + (exp_code << 1))); + exp_max[3] = (exp_coeff[3] + exp_code); + exp_max[4] = (exp_coeff[4] + (1 + exp_code)); /* Find maximum exponant */ - e_max = exp_max[0]; + e_max = exp_max[0]; for (i = 1; i < 5; i++) { if(exp_max[i] > e_max) { - e_max = exp_max[i]; + e_max = exp_max[i]; } } @@ -271,14 +271,14 @@ Word16 Q_gain2( /* Return index of quantization. } /* Codebook search */ - dist_min = MAX_32; - p = &t_qua_gain[min_ind << 1]; + dist_min = MAX_32; + p = &t_qua_gain[min_ind << 1]; - index = 0; + index = 0; for (i = 0; i < size; i++) { - g_pitch = *p++; - g_code = *p++; + g_pitch = *p++; + g_code = *p++; g_code = ((g_code * gcode0) + 0x4000)>>15; g2_pitch = ((g_pitch * g_pitch) + 0x4000)>>15; @@ -302,14 +302,14 @@ Word16 Q_gain2( /* Return index of quantization. if(L_tmp < dist_min) { - dist_min = L_tmp; - index = i; + dist_min = L_tmp; + index = i; } } /* Read the quantized gains */ index = index + min_ind; - p = &t_qua_gain[(index + index)]; + p = &t_qua_gain[(index + index)]; *gain_pit = *p++; /* selected pitch gain in Q14 */ g_code = *p++; /* selected code gain in Q11 */ @@ -333,10 +333,10 @@ Word16 Q_gain2( /* Return index of quantization. /* update table of past quantized energies */ - past_qua_en[3] = past_qua_en[2]; - past_qua_en[2] = past_qua_en[1]; - past_qua_en[1] = past_qua_en[0]; - past_qua_en[0] = qua_ener; + past_qua_en[3] = past_qua_en[2]; + past_qua_en[2] = past_qua_en[1]; + past_qua_en[1] = past_qua_en[0]; + past_qua_en[0] = qua_ener; return (index); } |