Port folder renaming changes from AOM

Manually cherry-picked commits:
ceef058 libvpx->libaom part2
3d26d91 libvpx -> libaom
cfea7dd vp10/ -> av1/
3a8eff7 Fix a build issue for a test
bf4202e Rename vpx to aom

Change-Id: I1b0eb5a40796e3aaf41c58984b4229a439a597dc
diff --git a/av1/common/idct.h b/av1/common/idct.h
new file mode 100644
index 0000000..9b3be62
--- /dev/null
+++ b/av1/common/idct.h
@@ -0,0 +1,118 @@
+/*
+ *  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.
+ */
+
+#ifndef VP10_COMMON_IDCT_H_
+#define VP10_COMMON_IDCT_H_
+
+#include <assert.h>
+
+#include "./vpx_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 {
+  TX_TYPE tx_type;
+  TX_SIZE tx_size;
+  int eob;
+  int lossless;
+#if CONFIG_VP9_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_VP9_HIGHBITDEPTH
+typedef void (*highbd_transform_1d)(const tran_low_t *, tran_low_t *, int bd);
+
+typedef struct {
+  highbd_transform_1d cols, rows;  // vertical and horizontal
+} highbd_transform_2d;
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+
+#define MAX_TX_SCALE 1
+int get_tx_scale(const MACROBLOCKD *const xd, const TX_TYPE tx_type,
+                 const TX_SIZE tx_size);
+
+void vp10_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+                      int eob);
+void vp10_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+                      int eob);
+void vp10_idct8x8_add(const tran_low_t *input, uint8_t *dest, int stride,
+                      int eob);
+void vp10_idct16x16_add(const tran_low_t *input, uint8_t *dest, int stride,
+                        int eob);
+void vp10_idct32x32_add(const tran_low_t *input, uint8_t *dest, int stride,
+                        int eob);
+
+void vp10_inv_txfm_add_4x4(const tran_low_t *input, uint8_t *dest, int stride,
+                           int eob, TX_TYPE tx_type, int lossless);
+#if CONFIG_EXT_TX
+void vp10_inv_txfm_add_8x4(const tran_low_t *input, uint8_t *dest, int stride,
+                           int eob, TX_TYPE tx_type);
+void vp10_inv_txfm_add_4x8(const tran_low_t *input, uint8_t *dest, int stride,
+                           int eob, TX_TYPE tx_type);
+#endif  // CONFIG_EXT_TX
+void vp10_inv_txfm_add_8x8(const tran_low_t *input, uint8_t *dest, int stride,
+                           int eob, TX_TYPE tx_type);
+void vp10_inv_txfm_add_16x16(const tran_low_t *input, uint8_t *dest, int stride,
+                             int eob, TX_TYPE tx_type);
+void vp10_inv_txfm_add_32x32(const tran_low_t *input, uint8_t *dest, int stride,
+                             int eob, TX_TYPE tx_type);
+void inv_txfm_add(const tran_low_t *input, uint8_t *dest, int stride,
+                  INV_TXFM_PARAM *inv_txfm_param);
+#if CONFIG_VP9_HIGHBITDEPTH
+void vp10_highbd_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+                             int eob, int bd);
+void vp10_highbd_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
+                             int eob, int bd);
+void vp10_highbd_idct8x8_add(const tran_low_t *input, uint8_t *dest, int stride,
+                             int eob, int bd);
+void vp10_highbd_idct16x16_add(const tran_low_t *input, uint8_t *dest,
+                               int stride, int eob, int bd);
+void vp10_highbd_idct32x32_add(const tran_low_t *input, uint8_t *dest,
+                               int stride, int eob, int bd);
+void vp10_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);
+#if CONFIG_EXT_TX
+void vp10_highbd_inv_txfm_add_4x8(const tran_low_t *input, uint8_t *dest,
+                                  int stride, int eob, int bd, TX_TYPE tx_type);
+void vp10_highbd_inv_txfm_add_8x4(const tran_low_t *input, uint8_t *dest,
+                                  int stride, int eob, int bd, TX_TYPE tx_type);
+#endif  // CONFIG_EXT_TX
+void vp10_highbd_inv_txfm_add_8x8(const tran_low_t *input, uint8_t *dest,
+                                  int stride, int eob, int bd, TX_TYPE tx_type);
+void vp10_highbd_inv_txfm_add_16x16(const tran_low_t *input, uint8_t *dest,
+                                    int stride, int eob, int bd,
+                                    TX_TYPE tx_type);
+void vp10_highbd_inv_txfm_add_32x32(const tran_low_t *input, uint8_t *dest,
+                                    int stride, int eob, int bd,
+                                    TX_TYPE tx_type);
+void highbd_inv_txfm_add(const tran_low_t *input, uint8_t *dest, int stride,
+                         INV_TXFM_PARAM *inv_txfm_param);
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VP10_COMMON_IDCT_H_