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 19 void vp9_save_coding_context(VP9_COMP *cpi); 20 void vp9_restore_coding_context(VP9_COMP *cpi); 21 22 void vp9_setup_key_frame(VP9_COMP *cpi); 23 void vp9_update_rate_correction_factors(VP9_COMP *cpi, int damp_var); 24 int vp9_regulate_q(VP9_COMP *cpi, int target_bits_per_frame); 25 void vp9_adjust_key_frame_context(VP9_COMP *cpi); 26 void 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 31 int vp9_pick_frame_size(VP9_COMP *cpi); 32 33 double vp9_convert_qindex_to_q(int qindex); 34 int vp9_gfboost_qadjust(int qindex); 35 int vp9_bits_per_mb(FRAME_TYPE frame_type, int qindex, 36 double correction_factor); 37 void vp9_setup_inter_frame(VP9_COMP *cpi); 38 39 #endif // VP9_ENCODER_VP9_RATECTRL_H_ 40
