1 files changed, 79 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/common/mips/msa/vp9_idct8x8_msa.c b/media/libvpx/libvpx/vp9/common/mips/msa/vp9_idct8x8_msa.c
new file mode 100644
index 0000000000..76d15ff8c0
--- /dev/null
+++ b/media/libvpx/libvpx/vp9/common/mips/msa/vp9_idct8x8_msa.c
@@ -0,0 +1,79 @@
+/*
+ *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <assert.h>
+
+#include "./vp9_rtcd.h"
+#include "vp9/common/vp9_enums.h"
+#include "vpx_dsp/mips/inv_txfm_msa.h"
+
+void vp9_iht8x8_64_add_msa(const int16_t *input, uint8_t *dst,
+                           int32_t dst_stride, int32_t tx_type) {
+  v8i16 in0, in1, in2, in3, in4, in5, in6, in7;
+
+  /* load vector elements of 8x8 block */
+  LD_SH8(input, 8, in0, in1, in2, in3, in4, in5, in6, in7);
+
+  TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+                     in4, in5, in6, in7);
+
+  switch (tx_type) {
+    case DCT_DCT:
+      /* DCT in horizontal */
+      VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+                     in4, in5, in6, in7);
+      /* DCT in vertical */
+      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2,
+                         in3, in4, in5, in6, in7);
+      VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+                     in4, in5, in6, in7);
+      break;
+    case ADST_DCT:
+      /* DCT in horizontal */
+      VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+                     in4, in5, in6, in7);
+      /* ADST in vertical */
+      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2,
+                         in3, in4, in5, in6, in7);
+      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4,
+                in5, in6, in7);
+      break;
+    case DCT_ADST:
+      /* ADST in horizontal */
+      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4,
+                in5, in6, in7);
+      /* DCT in vertical */
+      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2,
+                         in3, in4, in5, in6, in7);
+      VP9_IDCT8x8_1D(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,
+                     in4, in5, in6, in7);
+      break;
+    case ADST_ADST:
+      /* ADST in horizontal */
+      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4,
+                in5, in6, in7);
+      /* ADST in vertical */
+      TRANSPOSE8x8_SH_SH(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2,
+                         in3, in4, in5, in6, in7);
+      VP9_ADST8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3, in4,
+                in5, in6, in7);
+      break;
+    default: assert(0); break;
+  }
+
+  /* final rounding (add 2^4, divide by 2^5) and shift */
+  SRARI_H4_SH(in0, in1, in2, in3, 5);
+  SRARI_H4_SH(in4, in5, in6, in7, 5);
+
+  /* add block and store 8x8 */
+  VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in0, in1, in2, in3);
+  dst += (4 * dst_stride);
+  VP9_ADDBLK_ST8x4_UB(dst, dst_stride, in4, in5, in6, in7);
+}