1 files changed, 98 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/common/mips/dspr2/vp9_itrans16_dspr2.c b/media/libvpx/libvpx/vp9/common/mips/dspr2/vp9_itrans16_dspr2.c
new file mode 100644
index 0000000000..e68d01e9fd
--- /dev/null
+++ b/media/libvpx/libvpx/vp9/common/mips/dspr2/vp9_itrans16_dspr2.c
@@ -0,0 +1,98 @@
+/*
+ *  Copyright (c) 2013 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 <stdio.h>
+
+#include "./vpx_config.h"
+#include "./vp9_rtcd.h"
+#include "vp9/common/vp9_common.h"
+#include "vp9/common/vp9_blockd.h"
+#include "vp9/common/vp9_idct.h"
+#include "vpx_dsp/mips/inv_txfm_dspr2.h"
+#include "vpx_dsp/txfm_common.h"
+#include "vpx_ports/mem.h"
+
+#if HAVE_DSPR2
+void vp9_iht16x16_256_add_dspr2(const int16_t *input, uint8_t *dest, int pitch,
+                                int tx_type) {
+  int i, j;
+  DECLARE_ALIGNED(32, int16_t, out[16 * 16]);
+  int16_t *outptr = out;
+  int16_t temp_out[16];
+  uint32_t pos = 45;
+
+  /* bit positon for extract from acc */
+  __asm__ __volatile__("wrdsp    %[pos],    1    \n\t" : : [pos] "r"(pos));
+
+  switch (tx_type) {
+    case DCT_DCT:  // DCT in both horizontal and vertical
+      idct16_rows_dspr2(input, outptr, 16);
+      idct16_cols_add_blk_dspr2(out, dest, pitch);
+      break;
+    case ADST_DCT:  // ADST in vertical, DCT in horizontal
+      idct16_rows_dspr2(input, outptr, 16);
+
+      outptr = out;
+
+      for (i = 0; i < 16; ++i) {
+        iadst16_dspr2(outptr, temp_out);
+
+        for (j = 0; j < 16; ++j)
+          dest[j * pitch + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 6) +
+                                           dest[j * pitch + i]);
+        outptr += 16;
+      }
+      break;
+    case DCT_ADST:  // DCT in vertical, ADST in horizontal
+    {
+      int16_t temp_in[16 * 16];
+
+      for (i = 0; i < 16; ++i) {
+        /* prefetch row */
+        prefetch_load((const uint8_t *)(input + 16));
+
+        iadst16_dspr2(input, outptr);
+        input += 16;
+        outptr += 16;
+      }
+
+      for (i = 0; i < 16; ++i)
+        for (j = 0; j < 16; ++j) temp_in[j * 16 + i] = out[i * 16 + j];
+
+      idct16_cols_add_blk_dspr2(temp_in, dest, pitch);
+      break;
+    }
+    case ADST_ADST:  // ADST in both directions
+    {
+      int16_t temp_in[16];
+
+      for (i = 0; i < 16; ++i) {
+        /* prefetch row */
+        prefetch_load((const uint8_t *)(input + 16));
+
+        iadst16_dspr2(input, outptr);
+        input += 16;
+        outptr += 16;
+      }
+
+      for (i = 0; i < 16; ++i) {
+        for (j = 0; j < 16; ++j) temp_in[j] = out[j * 16 + i];
+        iadst16_dspr2(temp_in, temp_out);
+        for (j = 0; j < 16; ++j)
+          dest[j * pitch + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 6) +
+                                           dest[j * pitch + i]);
+      }
+      break;
+    }
+    default: printf("vp9_short_iht16x16_add_dspr2 : Invalid tx_type\n"); break;
+  }
+}
+#endif  // #if HAVE_DSPR2