xref: /aosp_15_r20/external/libvpx/vp9/common/vp9_mfqe.h (revision fb1b10ab9aebc7c7068eedab379b749d7e3900be)
1*fb1b10abSAndroid Build Coastguard Worker /*
2*fb1b10abSAndroid Build Coastguard Worker  *  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
3*fb1b10abSAndroid Build Coastguard Worker  *
4*fb1b10abSAndroid Build Coastguard Worker  *  Use of this source code is governed by a BSD-style license
5*fb1b10abSAndroid Build Coastguard Worker  *  that can be found in the LICENSE file in the root of the source
6*fb1b10abSAndroid Build Coastguard Worker  *  tree. An additional intellectual property rights grant can be found
7*fb1b10abSAndroid Build Coastguard Worker  *  in the file PATENTS.  All contributing project authors may
8*fb1b10abSAndroid Build Coastguard Worker  *  be found in the AUTHORS file in the root of the source tree.
9*fb1b10abSAndroid Build Coastguard Worker  */
10*fb1b10abSAndroid Build Coastguard Worker 
11*fb1b10abSAndroid Build Coastguard Worker #ifndef VPX_VP9_COMMON_VP9_MFQE_H_
12*fb1b10abSAndroid Build Coastguard Worker #define VPX_VP9_COMMON_VP9_MFQE_H_
13*fb1b10abSAndroid Build Coastguard Worker 
14*fb1b10abSAndroid Build Coastguard Worker #ifdef __cplusplus
15*fb1b10abSAndroid Build Coastguard Worker extern "C" {
16*fb1b10abSAndroid Build Coastguard Worker #endif
17*fb1b10abSAndroid Build Coastguard Worker 
18*fb1b10abSAndroid Build Coastguard Worker // Multiframe Quality Enhancement.
19*fb1b10abSAndroid Build Coastguard Worker // The aim for MFQE is to replace pixel blocks in the current frame with
20*fb1b10abSAndroid Build Coastguard Worker // the correlated pixel blocks (with higher quality) in the last frame.
21*fb1b10abSAndroid Build Coastguard Worker // The replacement can only be taken in stationary blocks by checking
22*fb1b10abSAndroid Build Coastguard Worker // the motion of the blocks and other conditions such as the SAD of
23*fb1b10abSAndroid Build Coastguard Worker // the current block and correlated block, the variance of the block
24*fb1b10abSAndroid Build Coastguard Worker // difference, etc.
25*fb1b10abSAndroid Build Coastguard Worker void vp9_mfqe(struct VP9Common *cm);
26*fb1b10abSAndroid Build Coastguard Worker 
27*fb1b10abSAndroid Build Coastguard Worker #ifdef __cplusplus
28*fb1b10abSAndroid Build Coastguard Worker }  // extern "C"
29*fb1b10abSAndroid Build Coastguard Worker #endif
30*fb1b10abSAndroid Build Coastguard Worker 
31*fb1b10abSAndroid Build Coastguard Worker #endif  // VPX_VP9_COMMON_VP9_MFQE_H_
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