vp10/common: apply clang-format

Change-Id: I01d8241eba3ccaf4d06c00a51df2d17c126f6f9d

vp10/common/alloccommon.c

@@ -35,8 +35,7 @@ static int alloc_seg_map(VP10_COMMON *cm, int seg_map_size) {
 
   for (i = 0; i < NUM_PING_PONG_BUFFERS; ++i) {
     cm->seg_map_array[i] = (uint8_t *)vpx_calloc(seg_map_size, 1);
-    if (cm->seg_map_array[i] == NULL)
-      return 1;
+    if (cm->seg_map_array[i] == NULL) return 1;
   }
   cm->seg_map_alloc_size = seg_map_size;
 
@@ -91,7 +90,7 @@ void vp10_free_context_buffers(VP10_COMMON *cm) {
   int i;
   cm->free_mi(cm);
   free_seg_map(cm);
-  for (i = 0 ; i < MAX_MB_PLANE ; i++) {
+  for (i = 0; i < MAX_MB_PLANE; i++) {
     vpx_free(cm->above_context[i]);
     cm->above_context[i] = NULL;
   }
@@ -110,15 +109,13 @@ int vp10_alloc_context_buffers(VP10_COMMON *cm, int width, int height) {
   new_mi_size = cm->mi_stride * calc_mi_size(cm->mi_rows);
   if (cm->mi_alloc_size < new_mi_size) {
     cm->free_mi(cm);
-    if (cm->alloc_mi(cm, new_mi_size))
-      goto fail;
+    if (cm->alloc_mi(cm, new_mi_size)) goto fail;
   }
 
   if (cm->seg_map_alloc_size < cm->mi_rows * cm->mi_cols) {
     // Create the segmentation map structure and set to 0.
     free_seg_map(cm);
-    if (alloc_seg_map(cm, cm->mi_rows * cm->mi_cols))
-      goto fail;
+    if (alloc_seg_map(cm, cm->mi_rows * cm->mi_cols)) goto fail;
   }
 
   if (cm->above_context_alloc_cols < cm->mi_cols) {
@@ -129,7 +126,7 @@ int vp10_alloc_context_buffers(VP10_COMMON *cm, int width, int height) {
         ALIGN_POWER_OF_TWO(cm->mi_cols, MAX_MIB_SIZE_LOG2);
     int i;
 
-    for (i = 0 ; i < MAX_MB_PLANE ; i++) {
+    for (i = 0; i < MAX_MB_PLANE; i++) {
       vpx_free(cm->above_context[i]);
       cm->above_context[i] = (ENTROPY_CONTEXT *)vpx_calloc(
           2 * aligned_mi_cols, sizeof(*cm->above_context[0]));
@@ -153,7 +150,7 @@ int vp10_alloc_context_buffers(VP10_COMMON *cm, int width, int height) {
 
   return 0;
 
- fail:
+fail:
   vp10_free_context_buffers(cm);
   return 1;
 }

vp10/common/alloccommon.h

@@ -8,7 +8,6 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-
 #ifndef VP10_COMMON_ALLOCCOMMON_H_
 #define VP10_COMMON_ALLOCCOMMON_H_
 

vp10/common/ans.h

@@ -23,20 +23,18 @@
 #if ANS_DIVIDE_BY_MULTIPLY
 #include "vp10/common/divide.h"
 #define ANS_DIVREM(quotient, remainder, dividend, divisor) \
-  do { \
-    quotient = fastdiv(dividend, divisor); \
-    remainder = dividend - quotient * divisor; \
+  do {                                                     \
+    quotient = fastdiv(dividend, divisor);                 \
+    remainder = dividend - quotient * divisor;             \
   } while (0)
-#define ANS_DIV(dividend, divisor) \
-  fastdiv(dividend, divisor)
+#define ANS_DIV(dividend, divisor) fastdiv(dividend, divisor)
 #else
 #define ANS_DIVREM(quotient, remainder, dividend, divisor) \
-  do { \
-    quotient = dividend / divisor; \
-    remainder = dividend % divisor; \
+  do {                                                     \
+    quotient = dividend / divisor;                         \
+    remainder = dividend % divisor;                        \
   } while (0)
-#define ANS_DIV(dividend, divisor) \
-    ((dividend) / (divisor))
+#define ANS_DIV(dividend, divisor) ((dividend) / (divisor))
 #endif
 
 #ifdef __cplusplus
@@ -245,8 +243,7 @@ static INLINE int uabs_read_literal(struct AnsDecoder *ans, int bits) {
 
   // TODO(aconverse): Investigate ways to read/write literals faster,
   // e.g. 8-bit chunks.
-  for (bit = bits - 1; bit >= 0; bit--)
-    literal |= uabs_read_bit(ans) << bit;
+  for (bit = bits - 1; bit >= 0; bit--) literal |= uabs_read_bit(ans) << bit;
 
   return literal;
 }
@@ -257,8 +254,7 @@ static INLINE int uabs_read_tree(struct AnsDecoder *ans,
                                  const AnsP8 *probs) {
   vpx_tree_index i = 0;
 
-  while ((i = tree[i + uabs_read(ans, probs[i >> 1])]) > 0)
-    continue;
+  while ((i = tree[i + uabs_read(ans, probs[i >> 1])]) > 0) continue;
 
   return -i;
 }
@@ -288,8 +284,7 @@ static INLINE void rans_build_cdf_from_pdf(const AnsP10 token_probs[],
   assert(cdf_tab[i - 1] == rans_precision);
 }
 
-static INLINE int ans_find_largest(const AnsP10 *const pdf_tab,
-                                   int num_syms) {
+static INLINE int ans_find_largest(const AnsP10 *const pdf_tab, int num_syms) {
   int largest_idx = -1;
   int largest_p = -1;
   int i;
@@ -365,8 +360,7 @@ static INLINE void fetch_sym(struct rans_dec_sym *out, const rans_dec_lut cdf,
   out->cum_prob = (AnsP10)cdf[i - 1];
 }
 
-static INLINE int rans_read(struct AnsDecoder *ans,
-                            const rans_dec_lut tab) {
+static INLINE int rans_read(struct AnsDecoder *ans, const rans_dec_lut tab) {
   unsigned rem;
   unsigned quo;
   struct rans_dec_sym sym;
@@ -381,8 +375,7 @@ static INLINE int rans_read(struct AnsDecoder *ans,
 }
 
 static INLINE int ans_read_init(struct AnsDecoder *const ans,
-                                const uint8_t *const buf,
-                                int offset) {
+                                const uint8_t *const buf, int offset) {
   unsigned x;
   if (offset < 1) return 1;
   ans->buf = buf;
@@ -403,8 +396,7 @@ static INLINE int ans_read_init(struct AnsDecoder *const ans,
     return 1;
   }
   ans->state += l_base;
-  if (ans->state >= l_base * io_base)
-    return 1;
+  if (ans->state >= l_base * io_base) return 1;
   return 0;
 }
 

vp10/common/arm/neon/iht4x4_add_neon.c

@@ -23,226 +23,211 @@ static int16_t cospi_8_64 = 0x3b21;
 static int16_t cospi_16_64 = 0x2d41;
 static int16_t cospi_24_64 = 0x187e;
 
-static INLINE void TRANSPOSE4X4(
-        int16x8_t *q8s16,
-        int16x8_t *q9s16) {
-    int32x4_t q8s32, q9s32;
-    int16x4x2_t d0x2s16, d1x2s16;
-    int32x4x2_t q0x2s32;
-
-    d0x2s16 = vtrn_s16(vget_low_s16(*q8s16), vget_high_s16(*q8s16));
-    d1x2s16 = vtrn_s16(vget_low_s16(*q9s16), vget_high_s16(*q9s16));
-
-    q8s32 = vreinterpretq_s32_s16(vcombine_s16(d0x2s16.val[0], d0x2s16.val[1]));
-    q9s32 = vreinterpretq_s32_s16(vcombine_s16(d1x2s16.val[0], d1x2s16.val[1]));
-    q0x2s32 = vtrnq_s32(q8s32, q9s32);
-
-    *q8s16 = vreinterpretq_s16_s32(q0x2s32.val[0]);
-    *q9s16 = vreinterpretq_s16_s32(q0x2s32.val[1]);
-    return;
+static INLINE void TRANSPOSE4X4(int16x8_t *q8s16, int16x8_t *q9s16) {
+  int32x4_t q8s32, q9s32;
+  int16x4x2_t d0x2s16, d1x2s16;
+  int32x4x2_t q0x2s32;
+
+  d0x2s16 = vtrn_s16(vget_low_s16(*q8s16), vget_high_s16(*q8s16));
+  d1x2s16 = vtrn_s16(vget_low_s16(*q9s16), vget_high_s16(*q9s16));
+
+  q8s32 = vreinterpretq_s32_s16(vcombine_s16(d0x2s16.val[0], d0x2s16.val[1]));
+  q9s32 = vreinterpretq_s32_s16(vcombine_s16(d1x2s16.val[0], d1x2s16.val[1]));
+  q0x2s32 = vtrnq_s32(q8s32, q9s32);
+
+  *q8s16 = vreinterpretq_s16_s32(q0x2s32.val[0]);
+  *q9s16 = vreinterpretq_s16_s32(q0x2s32.val[1]);
+  return;
 }
 
-static INLINE void GENERATE_COSINE_CONSTANTS(
-        int16x4_t *d0s16,
-        int16x4_t *d1s16,
-        int16x4_t *d2s16) {
-    *d0s16 = vdup_n_s16(cospi_8_64);
-    *d1s16 = vdup_n_s16(cospi_16_64);
-    *d2s16 = vdup_n_s16(cospi_24_64);
-    return;
+static INLINE void GENERATE_COSINE_CONSTANTS(int16x4_t *d0s16, int16x4_t *d1s16,
+                                             int16x4_t *d2s16) {
+  *d0s16 = vdup_n_s16(cospi_8_64);
+  *d1s16 = vdup_n_s16(cospi_16_64);
+  *d2s16 = vdup_n_s16(cospi_24_64);
+  return;
 }
 
-static INLINE void GENERATE_SINE_CONSTANTS(
-        int16x4_t *d3s16,
-        int16x4_t *d4s16,
-        int16x4_t *d5s16,
-        int16x8_t *q3s16) {
-    *d3s16 = vdup_n_s16(sinpi_1_9);
-    *d4s16 = vdup_n_s16(sinpi_2_9);
-    *q3s16 = vdupq_n_s16(sinpi_3_9);
-    *d5s16 = vdup_n_s16(sinpi_4_9);
-    return;
+static INLINE void GENERATE_SINE_CONSTANTS(int16x4_t *d3s16, int16x4_t *d4s16,
+                                           int16x4_t *d5s16, int16x8_t *q3s16) {
+  *d3s16 = vdup_n_s16(sinpi_1_9);
+  *d4s16 = vdup_n_s16(sinpi_2_9);
+  *q3s16 = vdupq_n_s16(sinpi_3_9);
+  *d5s16 = vdup_n_s16(sinpi_4_9);
+  return;
 }
 
-static INLINE void IDCT4x4_1D(
-        int16x4_t *d0s16,
-        int16x4_t *d1s16,
-        int16x4_t *d2s16,
-        int16x8_t *q8s16,
-        int16x8_t *q9s16) {
-    int16x4_t d16s16, d17s16, d18s16, d19s16, d23s16, d24s16;
-    int16x4_t d26s16, d27s16, d28s16, d29s16;
-    int32x4_t q10s32, q13s32, q14s32, q15s32;
-    int16x8_t q13s16, q14s16;
-
-    d16s16 = vget_low_s16(*q8s16);
-    d17s16 = vget_high_s16(*q8s16);
-    d18s16 = vget_low_s16(*q9s16);
-    d19s16 = vget_high_s16(*q9s16);
-
-    d23s16 = vadd_s16(d16s16, d18s16);
-    d24s16 = vsub_s16(d16s16, d18s16);
-
-    q15s32 = vmull_s16(d17s16, *d2s16);
-    q10s32 = vmull_s16(d17s16, *d0s16);
-    q13s32 = vmull_s16(d23s16, *d1s16);
-    q14s32 = vmull_s16(d24s16, *d1s16);
-    q15s32 = vmlsl_s16(q15s32, d19s16, *d0s16);
-    q10s32 = vmlal_s16(q10s32, d19s16, *d2s16);
-
-    d26s16 = vqrshrn_n_s32(q13s32, 14);
-    d27s16 = vqrshrn_n_s32(q14s32, 14);
-    d29s16 = vqrshrn_n_s32(q15s32, 14);
-    d28s16 = vqrshrn_n_s32(q10s32, 14);
-
-    q13s16 = vcombine_s16(d26s16, d27s16);
-    q14s16 = vcombine_s16(d28s16, d29s16);
-    *q8s16 = vaddq_s16(q13s16, q14s16);
-    *q9s16 = vsubq_s16(q13s16, q14s16);
-    *q9s16 = vcombine_s16(vget_high_s16(*q9s16),
-                          vget_low_s16(*q9s16));  // vswp
-    return;
+static INLINE void IDCT4x4_1D(int16x4_t *d0s16, int16x4_t *d1s16,
+                              int16x4_t *d2s16, int16x8_t *q8s16,
+                              int16x8_t *q9s16) {
+  int16x4_t d16s16, d17s16, d18s16, d19s16, d23s16, d24s16;
+  int16x4_t d26s16, d27s16, d28s16, d29s16;
+  int32x4_t q10s32, q13s32, q14s32, q15s32;
+  int16x8_t q13s16, q14s16;
+
+  d16s16 = vget_low_s16(*q8s16);
+  d17s16 = vget_high_s16(*q8s16);
+  d18s16 = vget_low_s16(*q9s16);
+  d19s16 = vget_high_s16(*q9s16);
+
+  d23s16 = vadd_s16(d16s16, d18s16);
+  d24s16 = vsub_s16(d16s16, d18s16);
+
+  q15s32 = vmull_s16(d17s16, *d2s16);
+  q10s32 = vmull_s16(d17s16, *d0s16);
+  q13s32 = vmull_s16(d23s16, *d1s16);
+  q14s32 = vmull_s16(d24s16, *d1s16);
+  q15s32 = vmlsl_s16(q15s32, d19s16, *d0s16);
+  q10s32 = vmlal_s16(q10s32, d19s16, *d2s16);
+
+  d26s16 = vqrshrn_n_s32(q13s32, 14);
+  d27s16 = vqrshrn_n_s32(q14s32, 14);
+  d29s16 = vqrshrn_n_s32(q15s32, 14);
+  d28s16 = vqrshrn_n_s32(q10s32, 14);
+
+  q13s16 = vcombine_s16(d26s16, d27s16);
+  q14s16 = vcombine_s16(d28s16, d29s16);
+  *q8s16 = vaddq_s16(q13s16, q14s16);
+  *q9s16 = vsubq_s16(q13s16, q14s16);
+  *q9s16 = vcombine_s16(vget_high_s16(*q9s16), vget_low_s16(*q9s16));  // vswp
+  return;
 }
 
-static INLINE void IADST4x4_1D(
-        int16x4_t *d3s16,
-        int16x4_t *d4s16,
-        int16x4_t *d5s16,
-        int16x8_t *q3s16,
-        int16x8_t *q8s16,
-        int16x8_t *q9s16) {
-    int16x4_t d6s16, d16s16, d17s16, d18s16, d19s16;
-    int32x4_t q8s32, q9s32, q10s32, q11s32, q12s32, q13s32, q14s32, q15s32;
-
-    d6s16 = vget_low_s16(*q3s16);
-
-    d16s16 = vget_low_s16(*q8s16);
-    d17s16 = vget_high_s16(*q8s16);
-    d18s16 = vget_low_s16(*q9s16);
-    d19s16 = vget_high_s16(*q9s16);
-
-    q10s32 = vmull_s16(*d3s16, d16s16);
-    q11s32 = vmull_s16(*d4s16, d16s16);
-    q12s32 = vmull_s16(d6s16, d17s16);
-    q13s32 = vmull_s16(*d5s16, d18s16);
-    q14s32 = vmull_s16(*d3s16, d18s16);
-    q15s32 = vmovl_s16(d16s16);
-    q15s32 = vaddw_s16(q15s32, d19s16);
-    q8s32  = vmull_s16(*d4s16, d19s16);
-    q15s32 = vsubw_s16(q15s32, d18s16);
-    q9s32  = vmull_s16(*d5s16, d19s16);
-
-    q10s32 = vaddq_s32(q10s32, q13s32);
-    q10s32 = vaddq_s32(q10s32, q8s32);
-    q11s32 = vsubq_s32(q11s32, q14s32);
-    q8s32  = vdupq_n_s32(sinpi_3_9);
-    q11s32 = vsubq_s32(q11s32, q9s32);
-    q15s32 = vmulq_s32(q15s32, q8s32);
-
-    q13s32 = vaddq_s32(q10s32, q12s32);
-    q10s32 = vaddq_s32(q10s32, q11s32);
-    q14s32 = vaddq_s32(q11s32, q12s32);
-    q10s32 = vsubq_s32(q10s32, q12s32);
-
-    d16s16 = vqrshrn_n_s32(q13s32, 14);
-    d17s16 = vqrshrn_n_s32(q14s32, 14);
-    d18s16 = vqrshrn_n_s32(q15s32, 14);
-    d19s16 = vqrshrn_n_s32(q10s32, 14);
-
-    *q8s16 = vcombine_s16(d16s16, d17s16);
-    *q9s16 = vcombine_s16(d18s16, d19s16);
-    return;
+static INLINE void IADST4x4_1D(int16x4_t *d3s16, int16x4_t *d4s16,
+                               int16x4_t *d5s16, int16x8_t *q3s16,
+                               int16x8_t *q8s16, int16x8_t *q9s16) {
+  int16x4_t d6s16, d16s16, d17s16, d18s16, d19s16;
+  int32x4_t q8s32, q9s32, q10s32, q11s32, q12s32, q13s32, q14s32, q15s32;
+
+  d6s16 = vget_low_s16(*q3s16);
+
+  d16s16 = vget_low_s16(*q8s16);
+  d17s16 = vget_high_s16(*q8s16);
+  d18s16 = vget_low_s16(*q9s16);
+  d19s16 = vget_high_s16(*q9s16);
+
+  q10s32 = vmull_s16(*d3s16, d16s16);
+  q11s32 = vmull_s16(*d4s16, d16s16);
+  q12s32 = vmull_s16(d6s16, d17s16);
+  q13s32 = vmull_s16(*d5s16, d18s16);
+  q14s32 = vmull_s16(*d3s16, d18s16);
+  q15s32 = vmovl_s16(d16s16);
+  q15s32 = vaddw_s16(q15s32, d19s16);
+  q8s32 = vmull_s16(*d4s16, d19s16);
+  q15s32 = vsubw_s16(q15s32, d18s16);
+  q9s32 = vmull_s16(*d5s16, d19s16);
+
+  q10s32 = vaddq_s32(q10s32, q13s32);
+  q10s32 = vaddq_s32(q10s32, q8s32);
+  q11s32 = vsubq_s32(q11s32, q14s32);
+  q8s32 = vdupq_n_s32(sinpi_3_9);
+  q11s32 = vsubq_s32(q11s32, q9s32);
+  q15s32 = vmulq_s32(q15s32, q8s32);
+
+  q13s32 = vaddq_s32(q10s32, q12s32);
+  q10s32 = vaddq_s32(q10s32, q11s32);
+  q14s32 = vaddq_s32(q11s32, q12s32);
+  q10s32 = vsubq_s32(q10s32, q12s32);
+
+  d16s16 = vqrshrn_n_s32(q13s32, 14);
+  d17s16 = vqrshrn_n_s32(q14s32, 14);
+  d18s16 = vqrshrn_n_s32(q15s32, 14);
+  d19s16 = vqrshrn_n_s32(q10s32, 14);
+
+  *q8s16 = vcombine_s16(d16s16, d17s16);
+  *q9s16 = vcombine_s16(d18s16, d19s16);
+  return;
 }
 
 void vp10_iht4x4_16_add_neon(const tran_low_t *input, uint8_t *dest,
-                            int dest_stride, int tx_type) {
-    uint8x8_t d26u8, d27u8;
-    int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16;
-    uint32x2_t d26u32, d27u32;
-    int16x8_t q3s16, q8s16, q9s16;
-    uint16x8_t q8u16, q9u16;
-
-    d26u32 = d27u32 = vdup_n_u32(0);
-
-    q8s16 = vld1q_s16(input);
-    q9s16 = vld1q_s16(input + 8);
-
-    TRANSPOSE4X4(&q8s16, &q9s16);
-
-    switch (tx_type) {
-      case 0:  // idct_idct is not supported. Fall back to C
-        vp10_iht4x4_16_add_c(input, dest, dest_stride, tx_type);
-        return;
-        break;
-      case 1:  // iadst_idct
-        // generate constants
-        GENERATE_COSINE_CONSTANTS(&d0s16, &d1s16, &d2s16);
-        GENERATE_SINE_CONSTANTS(&d3s16, &d4s16, &d5s16, &q3s16);
-
-        // first transform rows
-        IDCT4x4_1D(&d0s16, &d1s16, &d2s16, &q8s16, &q9s16);
-
-        // transpose the matrix
-        TRANSPOSE4X4(&q8s16, &q9s16);
-
-        // then transform columns
-        IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16);
-        break;
-      case 2:  // idct_iadst
-        // generate constantsyy
-        GENERATE_COSINE_CONSTANTS(&d0s16, &d1s16, &d2s16);
-        GENERATE_SINE_CONSTANTS(&d3s16, &d4s16, &d5s16, &q3s16);
-
-        // first transform rows
-        IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16);
-
-        // transpose the matrix
-        TRANSPOSE4X4(&q8s16, &q9s16);
-
-        // then transform columns
-        IDCT4x4_1D(&d0s16, &d1s16, &d2s16, &q8s16, &q9s16);
-        break;
-      case 3:  // iadst_iadst
-        // generate constants
-        GENERATE_SINE_CONSTANTS(&d3s16, &d4s16, &d5s16, &q3s16);
-
-        // first transform rows
-        IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16);
-
-        // transpose the matrix
-        TRANSPOSE4X4(&q8s16, &q9s16);
-
-        // then transform columns
-        IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16);
-        break;
-      default:  // iadst_idct
-        assert(0);
-        break;
-    }
-
-    q8s16 = vrshrq_n_s16(q8s16, 4);
-    q9s16 = vrshrq_n_s16(q9s16, 4);
-
-    d26u32 = vld1_lane_u32((const uint32_t *)dest, d26u32, 0);
-    dest += dest_stride;
-    d26u32 = vld1_lane_u32((const uint32_t *)dest, d26u32, 1);
-    dest += dest_stride;
-    d27u32 = vld1_lane_u32((const uint32_t *)dest, d27u32, 0);
-    dest += dest_stride;
-    d27u32 = vld1_lane_u32((const uint32_t *)dest, d27u32, 1);
-
-    q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16), vreinterpret_u8_u32(d26u32));
-    q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16), vreinterpret_u8_u32(d27u32));
-
-    d26u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16));
-    d27u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16));
-
-    vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d27u8), 1);
-    dest -= dest_stride;
-    vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d27u8), 0);
-    dest -= dest_stride;
-    vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d26u8), 1);
-    dest -= dest_stride;
-    vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d26u8), 0);
-    return;
+                             int dest_stride, int tx_type) {
+  uint8x8_t d26u8, d27u8;
+  int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16;
+  uint32x2_t d26u32, d27u32;
+  int16x8_t q3s16, q8s16, q9s16;
+  uint16x8_t q8u16, q9u16;
+
+  d26u32 = d27u32 = vdup_n_u32(0);
+
+  q8s16 = vld1q_s16(input);
+  q9s16 = vld1q_s16(input + 8);
+
+  TRANSPOSE4X4(&q8s16, &q9s16);
+
+  switch (tx_type) {
+    case 0:  // idct_idct is not supported. Fall back to C
+      vp10_iht4x4_16_add_c(input, dest, dest_stride, tx_type);
+      return;
+      break;
+    case 1:  // iadst_idct
+      // generate constants
+      GENERATE_COSINE_CONSTANTS(&d0s16, &d1s16, &d2s16);
+      GENERATE_SINE_CONSTANTS(&d3s16, &d4s16, &d5s16, &q3s16);
+
+      // first transform rows
+      IDCT4x4_1D(&d0s16, &d1s16, &d2s16, &q8s16, &q9s16);
+
+      // transpose the matrix
+      TRANSPOSE4X4(&q8s16, &q9s16);
+
+      // then transform columns
+      IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16);
+      break;
+    case 2:  // idct_iadst
+      // generate constantsyy
+      GENERATE_COSINE_CONSTANTS(&d0s16, &d1s16, &d2s16);
+      GENERATE_SINE_CONSTANTS(&d3s16, &d4s16, &d5s16, &q3s16);
+
+      // first transform rows
+      IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16);
+
+      // transpose the matrix
+      TRANSPOSE4X4(&q8s16, &q9s16);
+
+      // then transform columns
+      IDCT4x4_1D(&d0s16, &d1s16, &d2s16, &q8s16, &q9s16);
+      break;
+    case 3:  // iadst_iadst
+      // generate constants
+      GENERATE_SINE_CONSTANTS(&d3s16, &d4s16, &d5s16, &q3s16);
+
+      // first transform rows
+      IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16);
+
+      // transpose the matrix
+      TRANSPOSE4X4(&q8s16, &q9s16);
+
+      // then transform columns
+      IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16);
+      break;
+    default:  // iadst_idct
+      assert(0);
+      break;
+  }
+
+  q8s16 = vrshrq_n_s16(q8s16, 4);
+  q9s16 = vrshrq_n_s16(q9s16, 4);
+
+  d26u32 = vld1_lane_u32((const uint32_t *)dest, d26u32, 0);
+  dest += dest_stride;
+  d26u32 = vld1_lane_u32((const uint32_t *)dest, d26u32, 1);
+  dest += dest_stride;
+  d27u32 = vld1_lane_u32((const uint32_t *)dest, d27u32, 0);
+  dest += dest_stride;
+  d27u32 = vld1_lane_u32((const uint32_t *)dest, d27u32, 1);
+
+  q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16), vreinterpret_u8_u32(d26u32));
+  q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16), vreinterpret_u8_u32(d27u32));
+
+  d26u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16));
+  d27u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16));
+
+  vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d27u8), 1);
+  dest -= dest_stride;
+  vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d27u8), 0);
+  dest -= dest_stride;
+  vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d26u8), 1);
+  dest -= dest_stride;
+  vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d26u8), 0);
+  return;
 }

vp10/common/blockd.c

@@ -15,10 +15,9 @@
 #include "vp10/common/blockd.h"
 
 PREDICTION_MODE vp10_left_block_mode(const MODE_INFO *cur_mi,
-                                    const MODE_INFO *left_mi, int b) {
+                                     const MODE_INFO *left_mi, int b) {
   if (b == 0 || b == 2) {
-    if (!left_mi || is_inter_block(&left_mi->mbmi))
-      return DC_PRED;
+    if (!left_mi || is_inter_block(&left_mi->mbmi)) return DC_PRED;