vp9_ratectrl.h revision 5ae7ac49f08a179e4f054d99fcfc9dce78d26e58 
1/*
2 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11
12#ifndef VP9_ENCODER_VP9_RATECTRL_H_
13#define VP9_ENCODER_VP9_RATECTRL_H_
14
15#include "vp9/encoder/vp9_onyx_int.h"
16
17#define FRAME_OVERHEAD_BITS 200
18
19void vp9_save_coding_context(VP9_COMP *cpi);
20void vp9_restore_coding_context(VP9_COMP *cpi);
21
22void vp9_setup_key_frame(VP9_COMP *cpi);
23void vp9_update_rate_correction_factors(VP9_COMP *cpi, int damp_var);
24int vp9_regulate_q(VP9_COMP *cpi, int target_bits_per_frame);
25void vp9_adjust_key_frame_context(VP9_COMP *cpi);
26void vp9_compute_frame_size_bounds(VP9_COMP *cpi,
27                                   int *frame_under_shoot_limit,
28                                   int *frame_over_shoot_limit);
29
30// return of 0 means drop frame
31int vp9_pick_frame_size(VP9_COMP *cpi);
32
33double vp9_convert_qindex_to_q(int qindex);
34int vp9_gfboost_qadjust(int qindex);
35int vp9_bits_per_mb(FRAME_TYPE frame_type, int qindex,
36                    double correction_factor);
37void vp9_setup_inter_frame(VP9_COMP *cpi);
38
39#endif  // VP9_ENCODER_VP9_RATECTRL_H_
40