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, 99 insertions, 0 deletions

diff --git a/third_party/aom/av1/common/idct.h b/third_party/aom/av1/common/idct.h
new file mode 100644
index 000000000..e3a192187
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+++ b/third_party/aom/av1/common/idct.h
@@ -0,0 +1,99 @@
+/*
+ * 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_IDCT_H_
+#define AV1_COMMON_IDCT_H_
+
+#include <assert.h>
+
+#include "./aom_config.h"
+#include "av1/common/blockd.h"
+#include "av1/common/common.h"
+#include "av1/common/enums.h"
+#include "aom_dsp/inv_txfm.h"
+#include "aom_dsp/txfm_common.h"
+#include "aom_ports/mem.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct INV_TXFM_PARAM {
+#if CONFIG_ADAPT_SCAN
+  const int16_t *eob_threshold;
+#endif
+  TX_TYPE tx_type;
+  TX_SIZE tx_size;
+  int eob;
+  int lossless;
+#if CONFIG_HIGHBITDEPTH
+  int bd;
+#endif
+} INV_TXFM_PARAM;
+
+typedef void (*transform_1d)(const tran_low_t *, tran_low_t *);
+
+typedef struct {
+  transform_1d cols, rows;  // vertical and horizontal
+} transform_2d;
+
+#if CONFIG_HIGHBITDEPTH
+typedef void (*highbd_transform_1d)(const tran_low_t *, tran_low_t *,
+                                    const int8_t *cos_bit,
+                                    const int8_t *stage_range, int bd);
+
+typedef struct {
+  highbd_transform_1d cols, rows;  // vertical and horizontal
+} highbd_transform_2d;
+#endif  // CONFIG_HIGHBITDEPTH
+
+#define MAX_TX_SCALE 1
+int av1_get_tx_scale(const TX_SIZE tx_size);
+
+void av1_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+                     int eob);
+void av1_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+                     int eob);
+
+void av1_inv_txfm_add_4x4(const tran_low_t *input, uint8_t *dest, int stride,
+                          int eob, TX_TYPE tx_type, int lossless);
+void av1_inv_txfm_add_8x4(const tran_low_t *input, uint8_t *dest, int stride,
+                          int eob, TX_TYPE tx_type);
+void av1_inv_txfm_add_4x8(const tran_low_t *input, uint8_t *dest, int stride,
+                          int eob, TX_TYPE tx_type);
+void av1_inv_txfm_add(const tran_low_t *input, uint8_t *dest, int stride,
+                      INV_TXFM_PARAM *inv_txfm_param);
+void av1_inverse_transform_block(const MACROBLOCKD *xd,
+                                 const tran_low_t *dqcoeff, TX_TYPE tx_type,
+                                 TX_SIZE tx_size, uint8_t *dst, int stride,
+                                 int eob);
+void av1_inverse_transform_block_facade(MACROBLOCKD *xd, int plane, int block,
+                                        int blk_row, int blk_col, int eob);
+#if CONFIG_HIGHBITDEPTH
+void av1_highbd_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+                            int eob, int bd);
+void av1_highbd_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+                            int eob, int bd);
+void av1_highbd_inv_txfm_add_4x4(const tran_low_t *input, uint8_t *dest,
+                                 int stride, int eob, int bd, TX_TYPE tx_type,
+                                 int lossless);
+void av1_highbd_inv_txfm_add_4x8(const tran_low_t *input, uint8_t *dest,
+                                 int stride, int eob, int bd, TX_TYPE tx_type);
+void av1_highbd_inv_txfm_add_8x4(const tran_low_t *input, uint8_t *dest,
+                                 int stride, int eob, int bd, TX_TYPE tx_type);
+void av1_highbd_inv_txfm_add(const tran_low_t *input, uint8_t *dest, int stride,
+                             INV_TXFM_PARAM *inv_txfm_param);
+#endif  // CONFIG_HIGHBITDEPTH
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // AV1_COMMON_IDCT_H_