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, 97 insertions, 0 deletions

diff --git a/third_party/aom/av1/common/warped_motion.h b/third_party/aom/av1/common/warped_motion.h
new file mode 100644
index 000000000..dfd8dae34
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+++ b/third_party/aom/av1/common/warped_motion.h
@@ -0,0 +1,97 @@
+/*
+ * 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_WARPED_MOTION_H_
+#define AV1_COMMON_WARPED_MOTION_H_
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <memory.h>
+#include <math.h>
+#include <assert.h>
+
+#include "./aom_config.h"
+#include "aom_ports/mem.h"
+#include "aom_dsp/aom_dsp_common.h"
+#include "av1/common/mv.h"
+
+#define MAX_PARAMDIM 9
+#if CONFIG_WARPED_MOTION
+#define SAMPLES_ARRAY_SIZE ((2 * MAX_MIB_SIZE + 2) * 2)
+
+#define LEAST_SQUARES_SAMPLES_MAX_BITS 3
+#define LEAST_SQUARES_SAMPLES_MAX (1 << LEAST_SQUARES_SAMPLES_MAX_BITS)
+
+#define DEFAULT_WMTYPE AFFINE
+#endif  // CONFIG_WARPED_MOTION
+
+extern const int16_t warped_filter[WARPEDPIXEL_PREC_SHIFTS * 3 + 1][8];
+
+typedef void (*ProjectPointsFunc)(int32_t *mat, int *points, int *proj,
+                                  const int n, const int stride_points,
+                                  const int stride_proj,
+                                  const int subsampling_x,
+                                  const int subsampling_y);
+
+void project_points_translation(int32_t *mat, int *points, int *proj,
+                                const int n, const int stride_points,
+                                const int stride_proj, const int subsampling_x,
+                                const int subsampling_y);
+
+void project_points_rotzoom(int32_t *mat, int *points, int *proj, const int n,
+                            const int stride_points, const int stride_proj,
+                            const int subsampling_x, const int subsampling_y);
+
+void project_points_affine(int32_t *mat, int *points, int *proj, const int n,
+                           const int stride_points, const int stride_proj,
+                           const int subsampling_x, const int subsampling_y);
+
+void project_points_hortrapezoid(int32_t *mat, int *points, int *proj,
+                                 const int n, const int stride_points,
+                                 const int stride_proj, const int subsampling_x,
+                                 const int subsampling_y);
+void project_points_vertrapezoid(int32_t *mat, int *points, int *proj,
+                                 const int n, const int stride_points,
+                                 const int stride_proj, const int subsampling_x,
+                                 const int subsampling_y);
+void project_points_homography(int32_t *mat, int *points, int *proj,
+                               const int n, const int stride_points,
+                               const int stride_proj, const int subsampling_x,
+                               const int subsampling_y);
+
+void project_points(WarpedMotionParams *wm_params, int *points, int *proj,
+                    const int n, const int stride_points, const int stride_proj,
+                    const int subsampling_x, const int subsampling_y);
+
+double av1_warp_erroradv(WarpedMotionParams *wm,
+#if CONFIG_HIGHBITDEPTH
+                         int use_hbd, int bd,
+#endif  // CONFIG_HIGHBITDEPTH
+                         uint8_t *ref, int width, int height, int stride,
+                         uint8_t *dst, int p_col, int p_row, int p_width,
+                         int p_height, int p_stride, int subsampling_x,
+                         int subsampling_y, int x_scale, int y_scale);
+
+void av1_warp_plane(WarpedMotionParams *wm,
+#if CONFIG_HIGHBITDEPTH
+                    int use_hbd, int bd,
+#endif  // CONFIG_HIGHBITDEPTH
+                    uint8_t *ref, int width, int height, int stride,
+                    uint8_t *pred, int p_col, int p_row, int p_width,
+                    int p_height, int p_stride, int subsampling_x,
+                    int subsampling_y, int x_scale, int y_scale, int ref_frm);
+
+int find_projection(int np, int *pts1, int *pts2, BLOCK_SIZE bsize, int mvy,
+                    int mvx, WarpedMotionParams *wm_params, int mi_row,
+                    int mi_col);
+
+int get_shear_params(WarpedMotionParams *wm);
+#endif  // AV1_COMMON_WARPED_MOTION_H_