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-rw-r--r--media/libstagefright/codecs/amrwbenc/src/qpisf_2s.c144
1 files changed, 72 insertions, 72 deletions
diff --git a/media/libstagefright/codecs/amrwbenc/src/qpisf_2s.c b/media/libstagefright/codecs/amrwbenc/src/qpisf_2s.c
index ac13a67..c711cd0 100644
--- a/media/libstagefright/codecs/amrwbenc/src/qpisf_2s.c
+++ b/media/libstagefright/codecs/amrwbenc/src/qpisf_2s.c
@@ -70,30 +70,30 @@ void Qpisf_2s_46b(
for (i = 0; i < ORDER; i++)
{
isf[i] = vo_sub(isf1[i], mean_isf[i]);
- isf[i] = vo_sub(isf[i], vo_mult(MU, past_isfq[i]));
+ isf[i] = vo_sub(isf[i], vo_mult(MU, past_isfq[i]));
}
VQ_stage1(&isf[0], dico1_isf, 9, SIZE_BK1, surv1, nb_surv);
- distance = MAX_32;
+ distance = MAX_32;
for (k = 0; k < nb_surv; k++)
{
for (i = 0; i < 9; i++)
{
- isf_stage2[i] = vo_sub(isf[i], dico1_isf[i + surv1[k] * 9]);
+ isf_stage2[i] = vo_sub(isf[i], dico1_isf[i + surv1[k] * 9]);
}
- tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico21_isf, 3, SIZE_BK21, &min_err);
+ tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico21_isf, 3, SIZE_BK21, &min_err);
temp = min_err;
- tmp_ind[1] = Sub_VQ(&isf_stage2[3], dico22_isf, 3, SIZE_BK22, &min_err);
+ tmp_ind[1] = Sub_VQ(&isf_stage2[3], dico22_isf, 3, SIZE_BK22, &min_err);
temp = vo_L_add(temp, min_err);
- tmp_ind[2] = Sub_VQ(&isf_stage2[6], dico23_isf, 3, SIZE_BK23, &min_err);
+ tmp_ind[2] = Sub_VQ(&isf_stage2[6], dico23_isf, 3, SIZE_BK23, &min_err);
temp = vo_L_add(temp, min_err);
if(temp < distance)
{
- distance = temp;
- indice[0] = surv1[k];
+ distance = temp;
+ indice[0] = surv1[k];
for (i = 0; i < 3; i++)
{
indice[i + 2] = tmp_ind[i];
@@ -104,24 +104,24 @@ void Qpisf_2s_46b(
VQ_stage1(&isf[9], dico2_isf, 7, SIZE_BK2, surv1, nb_surv);
- distance = MAX_32;
+ distance = MAX_32;
for (k = 0; k < nb_surv; k++)
{
for (i = 0; i < 7; i++)
{
- isf_stage2[i] = vo_sub(isf[9 + i], dico2_isf[i + surv1[k] * 7]);
+ isf_stage2[i] = vo_sub(isf[9 + i], dico2_isf[i + surv1[k] * 7]);
}
tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico24_isf, 3, SIZE_BK24, &min_err);
- temp = min_err;
+ temp = min_err;
tmp_ind[1] = Sub_VQ(&isf_stage2[3], dico25_isf, 4, SIZE_BK25, &min_err);
temp = vo_L_add(temp, min_err);
if(temp < distance)
{
- distance = temp;
- indice[1] = surv1[k];
+ distance = temp;
+ indice[1] = surv1[k];
for (i = 0; i < 2; i++)
{
indice[i + 5] = tmp_ind[i];
@@ -165,24 +165,24 @@ void Qpisf_2s_36b(
VQ_stage1(&isf[0], dico1_isf, 9, SIZE_BK1, surv1, nb_surv);
- distance = MAX_32;
+ distance = MAX_32;
for (k = 0; k < nb_surv; k++)
{
for (i = 0; i < 9; i++)
{
- isf_stage2[i] = vo_sub(isf[i], dico1_isf[i + surv1[k] * 9]);
+ isf_stage2[i] = vo_sub(isf[i], dico1_isf[i + surv1[k] * 9]);
}
- tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico21_isf_36b, 5, SIZE_BK21_36b, &min_err);
- temp = min_err;
- tmp_ind[1] = Sub_VQ(&isf_stage2[5], dico22_isf_36b, 4, SIZE_BK22_36b, &min_err);
+ tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico21_isf_36b, 5, SIZE_BK21_36b, &min_err);
+ temp = min_err;
+ tmp_ind[1] = Sub_VQ(&isf_stage2[5], dico22_isf_36b, 4, SIZE_BK22_36b, &min_err);
temp = vo_L_add(temp, min_err);
if(temp < distance)
{
- distance = temp;
- indice[0] = surv1[k];
+ distance = temp;
+ indice[0] = surv1[k];
for (i = 0; i < 2; i++)
{
indice[i + 2] = tmp_ind[i];
@@ -191,23 +191,23 @@ void Qpisf_2s_36b(
}
VQ_stage1(&isf[9], dico2_isf, 7, SIZE_BK2, surv1, nb_surv);
- distance = MAX_32;
+ distance = MAX_32;
for (k = 0; k < nb_surv; k++)
{
for (i = 0; i < 7; i++)
{
- isf_stage2[i] = vo_sub(isf[9 + i], dico2_isf[i + surv1[k] * 7]);
+ isf_stage2[i] = vo_sub(isf[9 + i], dico2_isf[i + surv1[k] * 7]);
}
- tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico23_isf_36b, 7, SIZE_BK23_36b, &min_err);
- temp = min_err;
+ tmp_ind[0] = Sub_VQ(&isf_stage2[0], dico23_isf_36b, 7, SIZE_BK23_36b, &min_err);
+ temp = min_err;
if(temp < distance)
{
- distance = temp;
- indice[1] = surv1[k];
- indice[4] = tmp_ind[0];
+ distance = temp;
+ indice[1] = surv1[k];
+ indice[4] = tmp_ind[0];
}
}
@@ -239,32 +239,32 @@ void Dpisf_2s_46b(
{
for (i = 0; i < 9; i++)
{
- isf_q[i] = dico1_isf[indice[0] * 9 + i];
+ isf_q[i] = dico1_isf[indice[0] * 9 + i];
}
for (i = 0; i < 7; i++)
{
- isf_q[i + 9] = dico2_isf[indice[1] * 7 + i];
+ isf_q[i + 9] = dico2_isf[indice[1] * 7 + i];
}
for (i = 0; i < 3; i++)
{
- isf_q[i] = add1(isf_q[i], dico21_isf[indice[2] * 3 + i]);
- isf_q[i + 3] = add1(isf_q[i + 3], dico22_isf[indice[3] * 3 + i]);
- isf_q[i + 6] = add1(isf_q[i + 6], dico23_isf[indice[4] * 3 + i]);
- isf_q[i + 9] = add1(isf_q[i + 9], dico24_isf[indice[5] * 3 + i]);
+ isf_q[i] = add1(isf_q[i], dico21_isf[indice[2] * 3 + i]);
+ isf_q[i + 3] = add1(isf_q[i + 3], dico22_isf[indice[3] * 3 + i]);
+ isf_q[i + 6] = add1(isf_q[i + 6], dico23_isf[indice[4] * 3 + i]);
+ isf_q[i + 9] = add1(isf_q[i + 9], dico24_isf[indice[5] * 3 + i]);
}
for (i = 0; i < 4; i++)
{
- isf_q[i + 12] = add1(isf_q[i + 12], dico25_isf[indice[6] * 4 + i]);
+ isf_q[i + 12] = add1(isf_q[i + 12], dico25_isf[indice[6] * 4 + i]);
}
for (i = 0; i < ORDER; i++)
{
- tmp = isf_q[i];
- isf_q[i] = add1(tmp, mean_isf[i]);
+ tmp = isf_q[i];
+ isf_q[i] = add1(tmp, mean_isf[i]);
isf_q[i] = add1(isf_q[i], vo_mult(MU, past_isfq[i]));
- past_isfq[i] = tmp;
+ past_isfq[i] = tmp;
}
if (enc_dec)
@@ -273,9 +273,9 @@ void Dpisf_2s_46b(
{
for (j = (L_MEANBUF - 1); j > 0; j--)
{
- isf_buf[j * M + i] = isf_buf[(j - 1) * M + i];
+ isf_buf[j * M + i] = isf_buf[(j - 1) * M + i];
}
- isf_buf[i] = isf_q[i];
+ isf_buf[i] = isf_q[i];
}
}
} else
@@ -293,14 +293,14 @@ void Dpisf_2s_46b(
/* use the past ISFs slightly shifted towards their mean */
for (i = 0; i < ORDER; i++)
{
- isf_q[i] = add1(vo_mult(ALPHA, isfold[i]), vo_mult(ONE_ALPHA, ref_isf[i]));
+ isf_q[i] = add1(vo_mult(ALPHA, isfold[i]), vo_mult(ONE_ALPHA, ref_isf[i]));
}
/* estimate past quantized residual to be used in next frame */
for (i = 0; i < ORDER; i++)
{
tmp = add1(ref_isf[i], vo_mult(past_isfq[i], MU)); /* predicted ISF */
- past_isfq[i] = vo_sub(isf_q[i], tmp);
+ past_isfq[i] = vo_sub(isf_q[i], tmp);
past_isfq[i] = (past_isfq[i] >> 1); /* past_isfq[i] *= 0.5 */
}
}
@@ -332,32 +332,32 @@ void Dpisf_2s_36b(
{
for (i = 0; i < 9; i++)
{
- isf_q[i] = dico1_isf[indice[0] * 9 + i];
+ isf_q[i] = dico1_isf[indice[0] * 9 + i];
}
for (i = 0; i < 7; i++)
{
- isf_q[i + 9] = dico2_isf[indice[1] * 7 + i];
+ isf_q[i + 9] = dico2_isf[indice[1] * 7 + i];
}
for (i = 0; i < 5; i++)
{
- isf_q[i] = add1(isf_q[i], dico21_isf_36b[indice[2] * 5 + i]);
+ isf_q[i] = add1(isf_q[i], dico21_isf_36b[indice[2] * 5 + i]);
}
for (i = 0; i < 4; i++)
{
- isf_q[i + 5] = add1(isf_q[i + 5], dico22_isf_36b[indice[3] * 4 + i]);
+ isf_q[i + 5] = add1(isf_q[i + 5], dico22_isf_36b[indice[3] * 4 + i]);
}
for (i = 0; i < 7; i++)
{
- isf_q[i + 9] = add1(isf_q[i + 9], dico23_isf_36b[indice[4] * 7 + i]);
+ isf_q[i + 9] = add1(isf_q[i + 9], dico23_isf_36b[indice[4] * 7 + i]);
}
for (i = 0; i < ORDER; i++)
{
tmp = isf_q[i];
- isf_q[i] = add1(tmp, mean_isf[i]);
- isf_q[i] = add1(isf_q[i], vo_mult(MU, past_isfq[i]));
- past_isfq[i] = tmp;
+ isf_q[i] = add1(tmp, mean_isf[i]);
+ isf_q[i] = add1(isf_q[i], vo_mult(MU, past_isfq[i]));
+ past_isfq[i] = tmp;
}
@@ -367,9 +367,9 @@ void Dpisf_2s_36b(
{
for (j = (L_MEANBUF - 1); j > 0; j--)
{
- isf_buf[j * M + i] = isf_buf[(j - 1) * M + i];
+ isf_buf[j * M + i] = isf_buf[(j - 1) * M + i];
}
- isf_buf[i] = isf_q[i];
+ isf_buf[i] = isf_q[i];
}
}
} else
@@ -381,20 +381,20 @@ void Dpisf_2s_36b(
{
L_tmp += (isf_buf[j * M + i] << 14);
}
- ref_isf[i] = vo_round(L_tmp);
+ ref_isf[i] = vo_round(L_tmp);
}
/* use the past ISFs slightly shifted towards their mean */
for (i = 0; i < ORDER; i++)
{
- isf_q[i] = add1(vo_mult(ALPHA, isfold[i]), vo_mult(ONE_ALPHA, ref_isf[i]));
+ isf_q[i] = add1(vo_mult(ALPHA, isfold[i]), vo_mult(ONE_ALPHA, ref_isf[i]));
}
/* estimate past quantized residual to be used in next frame */
for (i = 0; i < ORDER; i++)
{
tmp = add1(ref_isf[i], vo_mult(past_isfq[i], MU)); /* predicted ISF */
- past_isfq[i] = vo_sub(isf_q[i], tmp);
+ past_isfq[i] = vo_sub(isf_q[i], tmp);
past_isfq[i] = past_isfq[i] >> 1; /* past_isfq[i] *= 0.5 */
}
}
@@ -424,15 +424,15 @@ void Reorder_isf(
Word16 n /* (i) : number of ISF */
)
{
- Word32 i;
+ Word32 i;
Word16 isf_min;
- isf_min = min_dist;
+ isf_min = min_dist;
for (i = 0; i < n - 1; i++)
{
if(isf[i] < isf_min)
{
- isf[i] = isf_min;
+ isf[i] = isf_min;
}
isf_min = (isf[i] + min_dist);
}
@@ -452,13 +452,13 @@ Word16 Sub_VQ( /* output: return quantization index
Word32 i, j, index;
Word32 dist_min, dist;
- dist_min = MAX_32;
- p_dico = dico;
+ dist_min = MAX_32;
+ p_dico = dico;
- index = 0;
+ index = 0;
for (i = 0; i < dico_size; i++)
{
- dist = 0;
+ dist = 0;
for (j = 0; j < dim; j++)
{
@@ -468,18 +468,18 @@ Word16 Sub_VQ( /* output: return quantization index
if(dist < dist_min)
{
- dist_min = dist;
- index = i;
+ dist_min = dist;
+ index = i;
}
}
- *distance = dist_min;
+ *distance = dist_min;
/* Reading the selected vector */
- p_dico = &dico[index * dim];
+ p_dico = &dico[index * dim];
for (j = 0; j < dim; j++)
{
- x[j] = *p_dico++;
+ x[j] = *p_dico++;
}
return index;
@@ -508,11 +508,11 @@ static void VQ_stage1(
index[2] = 2;
index[3] = 3;
- p_dico = dico;
+ p_dico = dico;
for (i = 0; i < dico_size; i++)
{
- dist = 0;
+ dist = 0;
for (j = 0; j < dim; j++)
{
temp = x[j] - (*p_dico++);
@@ -525,11 +525,11 @@ static void VQ_stage1(
{
for (l = surv - 1; l > k; l--)
{
- dist_min[l] = dist_min[l - 1];
- index[l] = index[l - 1];
+ dist_min[l] = dist_min[l - 1];
+ index[l] = index[l - 1];
}
- dist_min[k] = dist;
- index[k] = i;
+ dist_min[k] = dist;
+ index[k] = i;
break;
}
}
generated by cgit v1.1 at 2024-09-09 00:07:44 +0000