clean up dead code in deblocking filter

Change-Id: I0ca217b0e94b8b65fb481cda6fe361212280637b
diff --git a/aom_dsp/loopfilter.c b/aom_dsp/loopfilter.c
index c8fa3f4..9cde664 100644
--- a/aom_dsp/loopfilter.c
+++ b/aom_dsp/loopfilter.c
@@ -20,9 +20,6 @@
   return (int8_t)clamp(t, -128, 127);
 }
 
-#define PARALLEL_DEBLOCKING_11_TAP 0
-#define PARALLEL_DEBLOCKING_9_TAP 0
-
 #if CONFIG_DEBLOCK_13TAP
 #define PARALLEL_DEBLOCKING_13_TAP 1
 #define PARALLEL_DEBLOCKING_5_TAP_CHROMA 1
@@ -92,29 +89,6 @@
   return ~mask;
 }
 
-#if PARALLEL_DEBLOCKING_9_TAP
-static INLINE int8_t flat_mask2(uint8_t thresh, uint8_t p4, uint8_t p0,
-                                uint8_t q0, uint8_t q4) {
-  int8_t mask = 0;
-  mask |= (abs(p4 - p0) > thresh) * -1;
-  mask |= (abs(q4 - q0) > thresh) * -1;
-  return ~mask;
-}
-#endif
-
-#if PARALLEL_DEBLOCKING_11_TAP
-static INLINE int8_t flat_mask3(uint8_t thresh, uint8_t p5, uint8_t p4,
-                                uint8_t p0, uint8_t q0, uint8_t q4,
-                                uint8_t q5) {
-  int8_t mask = 0;
-  mask |= (abs(p4 - p0) > thresh) * -1;
-  mask |= (abs(q4 - q0) > thresh) * -1;
-  mask |= (abs(p5 - p0) > thresh) * -1;
-  mask |= (abs(q5 - q0) > thresh) * -1;
-  return ~mask;
-}
-#endif
-
 #if !PARALLEL_DEBLOCKING_13_TAP
 static INLINE int8_t flat_mask5(uint8_t thresh, uint8_t p4, uint8_t p3,
                                 uint8_t p2, uint8_t p1, uint8_t p0, uint8_t q0,
@@ -453,61 +427,6 @@
 }
 #endif
 
-#if PARALLEL_DEBLOCKING_11_TAP
-static INLINE void filter12(int8_t mask, uint8_t thresh, int8_t flat,
-                            int8_t flat2, uint8_t *op5, uint8_t *op4,
-                            uint8_t *op3, uint8_t *op2, uint8_t *op1,
-                            uint8_t *op0, uint8_t *oq0, uint8_t *oq1,
-                            uint8_t *oq2, uint8_t *oq3, uint8_t *oq4,
-                            uint8_t *oq5) {
-  if (flat2 && flat && mask) {
-    const uint8_t p5 = *op5, p4 = *op4, p3 = *op3, p2 = *op2, p1 = *op1,
-                  p0 = *op0;
-    const uint8_t q0 = *oq0, q1 = *oq1, q2 = *oq2, q3 = *oq3, q4 = *oq4,
-                  q5 = *oq5;
-
-    // 11-tap filter [1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1]
-    *op4 = (p5 * 5 + p4 * 2 + p3 + p2 + p1 + p0 + q0 + 6) / 12;
-    *op3 = (p5 * 4 + p4 + p3 * 2 + p2 + p1 + p0 + q0 + q1 + 6) / 12;
-    *op2 = (p5 * 3 + p4 + p3 + p2 * 2 + p1 + p0 + q0 + q1 + q2 + 6) / 12;
-    *op1 = (p5 * 2 + p4 + p3 + p2 + p1 * 2 + p0 + q0 + q1 + q2 + q3 + 6) / 12;
-    *op0 = (p5 + p4 + p3 + p2 + p1 + p0 * 2 + q0 + q1 + q2 + q3 + q4 + 6) / 12;
-    *oq0 = (p4 + p3 + p2 + p1 + p0 + q0 * 2 + q1 + q2 + q3 + q4 + q5 + 6) / 12;
-    *oq1 = (p3 + p2 + p1 + p0 + q0 + q1 * 2 + q2 + q3 + q4 + q5 * 2 + 6) / 12;
-    *oq2 = (p2 + p1 + p0 + q0 + q1 + q2 * 2 + q3 + q4 + q5 * 3 + 6) / 12;
-    *oq3 = (p1 + p0 + q0 + q1 + q2 + q3 * 2 + q4 + q5 * 4 + 6) / 12;
-    *oq4 = (p0 + q0 + q1 + q2 + q3 + q4 * 2 + q5 * 5 + 6) / 12;
-  } else {
-    filter8(mask, thresh, flat, op3, op2, op1, op0, oq0, oq1, oq2, oq3);
-  }
-}
-#endif
-
-#if PARALLEL_DEBLOCKING_9_TAP
-static INLINE void filter10(int8_t mask, uint8_t thresh, int8_t flat,
-                            int8_t flat2, uint8_t *op4, uint8_t *op3,
-                            uint8_t *op2, uint8_t *op1, uint8_t *op0,
-                            uint8_t *oq0, uint8_t *oq1, uint8_t *oq2,
-                            uint8_t *oq3, uint8_t *oq4) {
-  if (flat2 && flat && mask) {
-    const uint8_t p4 = *op4, p3 = *op3, p2 = *op2, p1 = *op1, p0 = *op0;
-    const uint8_t q0 = *oq0, q1 = *oq1, q2 = *oq2, q3 = *oq3, q4 = *oq4;
-
-    // 9-tap filter [1, 1, 1, 1, 2, 1, 1, 1, 1]
-    *op3 = (p4 * 4 + p3 * 2 + p2 + p1 + p0 + q0 + 5) / 10;
-    *op2 = (p4 * 3 + p3 + p2 * 2 + p1 + p0 + q0 + q1 + 5) / 10;
-    *op1 = (p4 * 2 + p3 + p2 + p1 * 2 + p0 + q0 + q1 + q2 + 5) / 10;
-    *op0 = (p4 + p3 + p2 + p1 + p0 * 2 + q0 + q1 + q2 + q3 + 5) / 10;
-    *oq0 = (p3 + p2 + p1 + p0 + q0 * 2 + q1 + q2 + q3 + q4 + 5) / 10;
-    *oq1 = (p2 + p1 + p0 + q0 + q1 * 2 + q2 + q3 + q4 * 2 + 5) / 10;
-    *oq2 = (p1 + p0 + q0 + q1 + q2 * 2 + q3 + q4 * 3 + 5) / 10;
-    *oq3 = (p0 + q0 + q1 + q2 + q3 * 2 + q4 * 4 + 5) / 10;
-  } else {
-    filter8(mask, thresh, flat, op3, op2, op1, op0, oq0, oq1, oq2, oq3);
-  }
-}
-#endif
-
 #if !PARALLEL_DEBLOCKING_13_TAP
 static INLINE void filter16(int8_t mask, uint8_t thresh, int8_t flat,
                             int8_t flat2, uint8_t *op7, uint8_t *op6,
@@ -594,20 +513,6 @@
     filter14(mask, *thresh, flat, flat2, s - 7 * p, s - 6 * p, s - 5 * p,
              s - 4 * p, s - 3 * p, s - 2 * p, s - 1 * p, s, s + 1 * p,
              s + 2 * p, s + 3 * p, s + 4 * p, s + 5 * p, s + 6 * p);
-
-#elif PARALLEL_DEBLOCKING_11_TAP
-    const int8_t flat2 = flat_mask3(1, p5, p4, p0, q0, q4, q5);
-
-    filter12(mask, *thresh, flat, flat2, s - 6 * p, s - 5 * p, s - 4 * p,
-             s - 3 * p, s - 2 * p, s - 1 * p, s, s + 1 * p, s + 2 * p,
-             s + 3 * p, s + 4 * p, s + 5 * p);
-
-#elif PARALLEL_DEBLOCKING_9_TAP
-    const int8_t flat2 = flat_mask2(1, p4, p0, q0, q4);
-
-    filter10(mask, *thresh, flat, flat2, s - 5 * p, s - 4 * p, s - 3 * p,
-             s - 2 * p, s - 1 * p, s, s + 1 * p, s + 2 * p, s + 3 * p,
-             s + 4 * p);
 #else
     const int8_t flat2 = flat_mask5(1, p7, p6, p5, p4, p0, q0, q4, q5, q6, q7);
 
@@ -656,17 +561,6 @@
 
     filter14(mask, *thresh, flat, flat2, s - 7, s - 6, s - 5, s - 4, s - 3,
              s - 2, s - 1, s, s + 1, s + 2, s + 3, s + 4, s + 5, s + 6);
-#elif PARALLEL_DEBLOCKING_11_TAP
-    const int8_t flat2 = flat_mask3(1, p5, p4, p0, q0, q4, q5);
-
-    filter12(mask, *thresh, flat, flat2, s - 6, s - 5, s - 4, s - 3, s - 2,
-             s - 1, s, s + 1, s + 2, s + 3, s + 4, s + 5);
-#elif PARALLEL_DEBLOCKING_9_TAP
-    const int8_t flat2 = flat_mask2(1, p4, p0, q0, q4);
-
-    filter10(mask, *thresh, flat, flat2, s - 5, s - 4, s - 3, s - 2, s - 1, s,
-             s + 1, s + 2, s + 3, s + 4);
-
 #else
     const int8_t flat2 = flat_mask5(1, p7, p6, p5, p4, p0, q0, q4, q5, q6, q7);
 
diff --git a/av1/common/av1_loopfilter.c b/av1/common/av1_loopfilter.c
index 3568413..46173f8 100644
--- a/av1/common/av1_loopfilter.c
+++ b/av1/common/av1_loopfilter.c
@@ -35,8 +35,6 @@
 #endif  // CONFIG_EXT_DELTA_Q
 #endif  // CONFIG_LOOPFILTER_LEVEL
 
-#define PARALLEL_DEBLOCKING_15TAPLUMAONLY 1
-#define PARALLEL_DEBLOCKING_DISABLE_15TAP 0
 #if CONFIG_DEBLOCK_13TAP
 #define PARALLEL_DEBLOCKING_5_TAP_CHROMA 1
 #else
@@ -2172,7 +2170,6 @@
                 params->filter_length = 8;
             } else {
               params->filter_length = 16;
-#if PARALLEL_DEBLOCKING_15TAPLUMAONLY
               // No wide filtering for chroma plane
               if (plane != 0) {
 #if PARALLEL_DEBLOCKING_5_TAP_CHROMA
@@ -2181,13 +2178,8 @@
                 params->filter_length = 8;
 #endif
               }
-#endif
             }
 
-#if PARALLEL_DEBLOCKING_DISABLE_15TAP
-            params->filter_length = (TX_4X4 >= AOMMIN(ts, pv_ts)) ? (4) : (8);
-#endif  // PARALLEL_DEBLOCKING_DISABLE_15TAP
-
             // update the level if the current block is skipped,
             // but the previous one is not
             level = (curr_level) ? (curr_level) : (pv_lvl);