1 files changed, 117 insertions, 0 deletions
diff --git a/thirdparty/libvpx/vp8/common/reconintra.c b/thirdparty/libvpx/vp8/common/reconintra.c
new file mode 100644
index 0000000000..356655dac7
--- /dev/null
+++ b/thirdparty/libvpx/vp8/common/reconintra.c
@@ -0,0 +1,117 @@
+/*
+ *  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;
+    unsigned char uleft_col[8];
+    unsigned char vleft_col[8];
+    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);
+}