1 files changed, 104 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/common/reconintra.c b/media/libvpx/libvpx/vp8/common/reconintra.c
new file mode 100644
index 0000000000..8e2094da87
--- /dev/null
+++ b/media/libvpx/libvpx/vp8/common/reconintra.c
@@ -0,0 +1,104 @@
+/*
+ *  Copyright (c) 2010 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 "./vpx_config.h"
+#include "./vpx_dsp_rtcd.h"
+#include "./vp8_rtcd.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vpx_ports/vpx_once.h"
+#include "blockd.h"
+#include "vp8/common/reconintra.h"
+#include "vp8/common/reconintra4x4.h"
+
+enum {
+  SIZE_16,
+  SIZE_8,
+  NUM_SIZES,
+};
+
+typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride,
+                              const uint8_t *above, const uint8_t *left);
+
+static intra_pred_fn pred[4][NUM_SIZES];
+static intra_pred_fn dc_pred[2][2][NUM_SIZES];
+
+static void vp8_init_intra_predictors_internal(void) {
+#define INIT_SIZE(sz)                                           \
+  pred[V_PRED][SIZE_##sz] = vpx_v_predictor_##sz##x##sz;        \
+  pred[H_PRED][SIZE_##sz] = vpx_h_predictor_##sz##x##sz;        \
+  pred[TM_PRED][SIZE_##sz] = vpx_tm_predictor_##sz##x##sz;      \
+                                                                \
+  dc_pred[0][0][SIZE_##sz] = vpx_dc_128_predictor_##sz##x##sz;  \
+  dc_pred[0][1][SIZE_##sz] = vpx_dc_top_predictor_##sz##x##sz;  \
+  dc_pred[1][0][SIZE_##sz] = vpx_dc_left_predictor_##sz##x##sz; \
+  dc_pred[1][1][SIZE_##sz] = vpx_dc_predictor_##sz##x##sz
+
+  INIT_SIZE(16);
+  INIT_SIZE(8);
+  vp8_init_intra4x4_predictors_internal();
+}
+
+void vp8_build_intra_predictors_mby_s(MACROBLOCKD *x, unsigned char *yabove_row,
+                                      unsigned char *yleft, int left_stride,
+                                      unsigned char *ypred_ptr, int y_stride) {
+  MB_PREDICTION_MODE mode = x->mode_info_context->mbmi.mode;
+  DECLARE_ALIGNED(16, uint8_t, yleft_col[16]);
+  int i;
+  intra_pred_fn fn;
+
+  for (i = 0; i < 16; ++i) {
+    yleft_col[i] = yleft[i * left_stride];
+  }
+
+  if (mode == DC_PRED) {
+    fn = dc_pred[x->left_available][x->up_available][SIZE_16];
+  } else {
+    fn = pred[mode][SIZE_16];
+  }
+
+  fn(ypred_ptr, y_stride, yabove_row, yleft_col);
+}
+
+void vp8_build_intra_predictors_mbuv_s(
+    MACROBLOCKD *x, unsigned char *uabove_row, unsigned char *vabove_row,
+    unsigned char *uleft, unsigned char *vleft, int left_stride,
+    unsigned char *upred_ptr, unsigned char *vpred_ptr, int pred_stride) {
+  MB_PREDICTION_MODE uvmode = x->mode_info_context->mbmi.uv_mode;
+#if HAVE_VSX
+  /* Power PC implementation uses "vec_vsx_ld" to read 16 bytes from
+     uleft_col and vleft_col. Play it safe by reserving enough stack
+     space here. */
+  unsigned char uleft_col[16];
+  unsigned char vleft_col[16];
+#else
+  unsigned char uleft_col[8];
+  unsigned char vleft_col[8];
+#endif
+  int i;
+  intra_pred_fn fn;
+
+  for (i = 0; i < 8; ++i) {
+    uleft_col[i] = uleft[i * left_stride];
+    vleft_col[i] = vleft[i * left_stride];
+  }
+
+  if (uvmode == DC_PRED) {
+    fn = dc_pred[x->left_available][x->up_available][SIZE_8];
+  } else {
+    fn = pred[uvmode][SIZE_8];
+  }
+
+  fn(upred_ptr, pred_stride, uabove_row, uleft_col);
+  fn(vpred_ptr, pred_stride, vabove_row, vleft_col);
+}
+
+void vp8_init_intra_predictors(void) {
+  once(vp8_init_intra_predictors_internal);
+}