f9a961c5d0
These are in response to a post-commit review in Ib6664df44090e8cfa4db9f2f9e0556931ccfe5c8 Change-Id: I1e07ccab18558dfdd996547a72a396abe02ed23d
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/*
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* Copyright (c) 2016 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <memory.h>
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#include <math.h>
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#include <assert.h>
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#include "third_party/fastfeat/fast.h"
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#include "av1/encoder/corner_detect.h"
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// Fast_9 wrapper
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#define FAST_BARRIER 40
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int fast_corner_detect(unsigned char *buf, int width, int height, int stride,
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int *points, int max_points) {
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int num_points;
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xy *const frm_corners_xy = fast9_detect_nonmax(buf, width, height, stride,
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FAST_BARRIER, &num_points);
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num_points = (num_points <= max_points ? num_points : max_points);
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if (num_points > 0 && frm_corners_xy) {
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memcpy(points, frm_corners_xy, sizeof(*frm_corners_xy) * num_points);
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free(frm_corners_xy);
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return num_points;
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}
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free(frm_corners_xy);
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return 0;
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}
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