summaryrefslogtreecommitdiffstats
path: root/media/libaom/src/av1/encoder/global_motion.h
diff options
context:
space:
mode:
authorMatt A. Tobin <email@mattatobin.com>2020-04-07 23:30:51 -0400
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-04-14 13:26:42 +0200
commit277f2116b6660e9bbe7f5d67524be57eceb49b8b (patch)
tree4595f7cc71418f71b9a97dfaeb03a30aa60f336a /media/libaom/src/av1/encoder/global_motion.h
parentd270404436f6e84ffa3b92af537ac721bf10d66e (diff)
downloadUXP-277f2116b6660e9bbe7f5d67524be57eceb49b8b.tar
UXP-277f2116b6660e9bbe7f5d67524be57eceb49b8b.tar.gz
UXP-277f2116b6660e9bbe7f5d67524be57eceb49b8b.tar.lz
UXP-277f2116b6660e9bbe7f5d67524be57eceb49b8b.tar.xz
UXP-277f2116b6660e9bbe7f5d67524be57eceb49b8b.zip
Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'media/libaom/src/av1/encoder/global_motion.h')
-rw-r--r--media/libaom/src/av1/encoder/global_motion.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/media/libaom/src/av1/encoder/global_motion.h b/media/libaom/src/av1/encoder/global_motion.h
new file mode 100644
index 000000000..c7c016c43
--- /dev/null
+++ b/media/libaom/src/av1/encoder/global_motion.h
@@ -0,0 +1,64 @@
+/*
+ * 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 AOM_AV1_ENCODER_GLOBAL_MOTION_H_
+#define AOM_AV1_ENCODER_GLOBAL_MOTION_H_
+
+#include "aom/aom_integer.h"
+#include "aom_scale/yv12config.h"
+#include "av1/common/mv.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define RANSAC_NUM_MOTIONS 1
+
+void convert_model_to_params(const double *params, WarpedMotionParams *model);
+
+int is_enough_erroradvantage(double best_erroradvantage, int params_cost,
+ int erroradv_type);
+
+// Returns the av1_warp_error between "dst" and the result of applying the
+// motion params that result from fine-tuning "wm" to "ref". Note that "wm" is
+// modified in place.
+int64_t refine_integerized_param(WarpedMotionParams *wm,
+ TransformationType wmtype, int use_hbd, int bd,
+ uint8_t *ref, int r_width, int r_height,
+ int r_stride, uint8_t *dst, int d_width,
+ int d_height, int d_stride, int n_refinements,
+ int64_t best_frame_error);
+
+/*
+ Computes "num_motions" candidate global motion parameters between two frames.
+ The array "params_by_motion" should be length 8 * "num_motions". The ordering
+ of each set of parameters is best described by the homography:
+
+ [x' (m2 m3 m0 [x
+ z . y' = m4 m5 m1 * y
+ 1] m6 m7 1) 1]
+
+ where m{i} represents the ith value in any given set of parameters.
+
+ "num_inliers" should be length "num_motions", and will be populated with the
+ number of inlier feature points for each motion. Params for which the
+ num_inliers entry is 0 should be ignored by the caller.
+*/
+int compute_global_motion_feature_based(TransformationType type,
+ YV12_BUFFER_CONFIG *frm,
+ YV12_BUFFER_CONFIG *ref, int bit_depth,
+ int *num_inliers_by_motion,
+ double *params_by_motion,
+ int num_motions);
+#ifdef __cplusplus
+} // extern "C"
+#endif
+#endif // AOM_AV1_ENCODER_GLOBAL_MOTION_H_