Import aom library

This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

1 files changed, 67 insertions, 0 deletions

diff --git a/third_party/aom/av1/common/reconintra.h b/third_party/aom/av1/common/reconintra.h
new file mode 100644
index 000000000..7ee0c495e
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+++ b/third_party/aom/av1/common/reconintra.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AV1_COMMON_RECONINTRA_H_
+#define AV1_COMMON_RECONINTRA_H_
+
+#include "aom/aom_integer.h"
+#include "av1/common/blockd.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void av1_init_intra_predictors(void);
+void av1_predict_intra_block_facade(MACROBLOCKD *xd, int plane, int block_idx,
+                                    int blk_col, int blk_row, TX_SIZE tx_size);
+void av1_predict_intra_block(const MACROBLOCKD *xd, int bw, int bh,
+                             BLOCK_SIZE bsize, PREDICTION_MODE mode,
+                             const uint8_t *ref, int ref_stride, uint8_t *dst,
+                             int dst_stride, int aoff, int loff, int plane);
+
+#if CONFIG_EXT_INTER
+// Mapping of interintra to intra mode for use in the intra component
+static const PREDICTION_MODE interintra_to_intra_mode[INTERINTRA_MODES] = {
+  DC_PRED,   V_PRED,    H_PRED,    D45_PRED, D135_PRED,
+  D117_PRED, D153_PRED, D207_PRED, D63_PRED, TM_PRED
+};
+
+// Mapping of intra mode to the interintra mode
+static const INTERINTRA_MODE intra_to_interintra_mode[INTRA_MODES] = {
+  II_DC_PRED,   II_V_PRED,    II_H_PRED,    II_D45_PRED, II_D135_PRED,
+  II_D117_PRED, II_D153_PRED, II_D207_PRED, II_D63_PRED,
+#if CONFIG_ALT_INTRA
+  II_DC_PRED,  // Note: Filler value, as there's no II_SMOOTH_PRED.
+#endif         // CONFIG_ALT_INTRA
+  II_TM_PRED
+};
+#endif  // CONFIG_EXT_INTER
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#if CONFIG_FILTER_INTRA
+#define FILTER_INTRA_PREC_BITS 10
+extern int av1_filter_intra_taps_4[TX_SIZES][INTRA_MODES][4];
+#endif  // CONFIG_FILTER_INTRA
+
+#if CONFIG_EXT_INTRA
+static INLINE int av1_is_directional_mode(PREDICTION_MODE mode,
+                                          BLOCK_SIZE bsize) {
+  return mode != DC_PRED && mode != TM_PRED &&
+#if CONFIG_ALT_INTRA
+         mode != SMOOTH_PRED &&
+#endif  // CONFIG_ALT_INTRA
+         bsize >= BLOCK_8X8;
+}
+#endif  // CONFIG_EXT_INTRA
+
+#endif  // AV1_COMMON_RECONINTRA_H_