summaryrefslogtreecommitdiffstats
path: root/media/libstagefright/codecs/amrwbenc/src/pred_lt4.c
diff options
context:
space:
mode:
Diffstat (limited to 'media/libstagefright/codecs/amrwbenc/src/pred_lt4.c')
-rw-r--r--media/libstagefright/codecs/amrwbenc/src/pred_lt4.c144
1 files changed, 72 insertions, 72 deletions
diff --git a/media/libstagefright/codecs/amrwbenc/src/pred_lt4.c b/media/libstagefright/codecs/amrwbenc/src/pred_lt4.c
index 8404cf9..386cab3 100644
--- a/media/libstagefright/codecs/amrwbenc/src/pred_lt4.c
+++ b/media/libstagefright/codecs/amrwbenc/src/pred_lt4.c
@@ -34,86 +34,86 @@
Word16 inter4_2[4][32] =
{
- {0,-2,4,-2,-10,38,-88,165,-275,424,-619,871,-1207,1699,-2598,5531,14031,-2147,780,-249,
- -16,153,-213,226,-209,175,-133,91,-55,28,-10,2},
+ {0,-2,4,-2,-10,38,-88,165,-275,424,-619,871,-1207,1699,-2598,5531,14031,-2147,780,-249,
+ -16,153,-213,226,-209,175,-133,91,-55,28,-10,2},
- {1,-7,19,-33,47,-52,43,-9,-60,175,-355,626,-1044,1749,-3267,10359,10359,-3267,1749,-1044,
- 626,-355,175,-60,-9,43,-52,47,-33,19, -7, 1},
+ {1,-7,19,-33,47,-52,43,-9,-60,175,-355,626,-1044,1749,-3267,10359,10359,-3267,1749,-1044,
+ 626,-355,175,-60,-9,43,-52,47,-33,19, -7, 1},
- {2,-10,28,-55,91,-133,175,-209,226,-213,153,-16,-249,780,-2147,14031,5531,-2598,1699,-1207,
- 871,-619,424,-275,165,-88,38,-10,-2,4,-2,0},
+ {2,-10,28,-55,91,-133,175,-209,226,-213,153,-16,-249,780,-2147,14031,5531,-2598,1699,-1207,
+ 871,-619,424,-275,165,-88,38,-10,-2,4,-2,0},
- {1,-7,22,-49,92,-153,231,-325,431,-544,656,-762,853,-923,968,15401,968,-923,853,-762,
- 656,-544,431,-325,231,-153,92,-49,22,-7, 1, 0}
+ {1,-7,22,-49,92,-153,231,-325,431,-544,656,-762,853,-923,968,15401,968,-923,853,-762,
+ 656,-544,431,-325,231,-153,92,-49,22,-7, 1, 0}
};
void Pred_lt4(
- Word16 exc[], /* in/out: excitation buffer */
- Word16 T0, /* input : integer pitch lag */
- Word16 frac, /* input : fraction of lag */
- Word16 L_subfr /* input : subframe size */
- )
+ Word16 exc[], /* in/out: excitation buffer */
+ Word16 T0, /* input : integer pitch lag */
+ Word16 frac, /* input : fraction of lag */
+ Word16 L_subfr /* input : subframe size */
+ )
{
- Word16 j, k, *x;
- Word32 L_sum;
- Word16 *ptr, *ptr1;
- Word16 *ptr2;
-
- x = exc - T0;
- frac = -frac;
- if (frac < 0)
- {
- frac += UP_SAMP;
- x--;
- }
- x -= 15; /* x = L_INTERPOL2 - 1 */
- k = 3 - frac; /* k = UP_SAMP - 1 - frac */
-
- ptr2 = &(inter4_2[k][0]);
- for (j = 0; j < L_subfr; j++)
- {
- ptr = ptr2;
- ptr1 = x;
- L_sum = vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
- L_sum += vo_mult32((*ptr1++), (*ptr++));
-
- L_sum = L_shl2(L_sum, 2);
- exc[j] = extract_h(L_add(L_sum, 0x8000));
- x++;
- }
-
- return;
+ Word16 j, k, *x;
+ Word32 L_sum;
+ Word16 *ptr, *ptr1;
+ Word16 *ptr2;
+
+ x = exc - T0;
+ frac = -frac;
+ if (frac < 0)
+ {
+ frac += UP_SAMP;
+ x--;
+ }
+ x -= 15; /* x = L_INTERPOL2 - 1 */
+ k = 3 - frac; /* k = UP_SAMP - 1 - frac */
+
+ ptr2 = &(inter4_2[k][0]);
+ for (j = 0; j < L_subfr; j++)
+ {
+ ptr = ptr2;
+ ptr1 = x;
+ L_sum = vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+ L_sum += vo_mult32((*ptr1++), (*ptr++));
+
+ L_sum = L_shl2(L_sum, 2);
+ exc[j] = extract_h(L_add(L_sum, 0x8000));
+ x++;
+ }
+
+ return;
}
generated by cgit v1.1 at 2024-05-07 22:43:35 +0000