xref: /aosp_15_r20/external/libopenapv/src/oapv_rc.h (revision abb65b4b03b69e1d508d4d9a44dcf199df16e7c3)
1 /*
2  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
3  * All Rights Reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * - Redistributions of source code must retain the above copyright notice,
9  *   this list of conditions and the following disclaimer.
10  *
11  * - Redistributions in binary form must reproduce the above copyright notice,
12  *   this list of conditions and the following disclaimer in the documentation
13  *   and/or other materials provided with the distribution.
14  *
15  * - Neither the name of the copyright owner, nor the names of its contributors
16  *   may be used to endorse or promote products derived from this software
17  *   without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _OAPV_RC_H_
33 #define _OAPV_RC_H_
34 
35 #include "oapv_def.h"
36 #include <math.h>
37 
38 #define OAPV_RC_ALPHA                     (6.7542)
39 #define OAPV_RC_BETA                      (1.2517)
40 #define OAPV_RC_QP_OFFSET                  12
41 
42 int oapve_rc_get_tile_cost(oapve_ctx_t* ctx, oapve_core_t* core, oapve_tile_t* tile);
43 double oapve_rc_estimate_pic_lambda(oapve_ctx_t* ctx, double cost);
44 int oapve_rc_estimate_pic_qp(double lambda);
45 void oapve_rc_get_qp(oapve_ctx_t* ctx, oapve_tile_t* tile, int frame_qp, int* qp);
46 void oapve_rc_update_after_pic(oapve_ctx_t* ctx, double cost);
47 int oapve_rc_get_tile_cost_thread(oapve_ctx_t* ctx, u64* sum);
48 
49 #endif