xref: /aosp_15_r20/external/libvpx/vp8/common/vp8_skin_detection.h (revision fb1b10ab9aebc7c7068eedab379b749d7e3900be)

/*
 *  Copyright (c) 2015 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 VPX_VP8_COMMON_VP8_SKIN_DETECTION_H_
#define VPX_VP8_COMMON_VP8_SKIN_DETECTION_H_

#include "vp8/encoder/onyx_int.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/skin_detection.h"
#include "vpx_scale/yv12config.h"

#ifdef __cplusplus
extern "C" {
#endif

struct VP8_COMP;

typedef enum {
  // Skin detection based on 8x8 block. If two of them are identified as skin,
  // the macroblock is marked as skin.
  SKIN_8X8,
  // Skin detection based on 16x16 block.
  SKIN_16X16
} SKIN_DETECTION_BLOCK_SIZE;

int vp8_compute_skin_block(const uint8_t *y, const uint8_t *u, const uint8_t *v,
                           int stride, int strideuv,
                           SKIN_DETECTION_BLOCK_SIZE bsize, int consec_zeromv,
                           int curr_motion_magn);

#ifdef OUTPUT_YUV_SKINMAP
// For viewing skin map on input source.
void vp8_compute_skin_map(struct VP8_COMP *const cpi, FILE *yuv_skinmap_file);
#endif

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // VPX_VP8_COMMON_VP8_SKIN_DETECTION_H_