michael@0: /*
michael@0:  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0:  *
michael@0:  *  Use of this source code is governed by a BSD-style license
michael@0:  *  that can be found in the LICENSE file in the root of the source
michael@0:  *  tree. An additional intellectual property rights grant can be found
michael@0:  *  in the file PATENTS.  All contributing project authors may
michael@0:  *  be found in the AUTHORS file in the root of the source tree.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef VP9_ENCODER_VP9_RATECTRL_H_
michael@0: #define VP9_ENCODER_VP9_RATECTRL_H_
michael@0: 
michael@0: #include "vp9/encoder/vp9_onyx_int.h"
michael@0: 
michael@0: #define FRAME_OVERHEAD_BITS 200
michael@0: 
michael@0: void vp9_save_coding_context(VP9_COMP *cpi);
michael@0: void vp9_restore_coding_context(VP9_COMP *cpi);
michael@0: 
michael@0: void vp9_setup_key_frame(VP9_COMP *cpi);
michael@0: void vp9_update_rate_correction_factors(VP9_COMP *cpi, int damp_var);
michael@0: int vp9_regulate_q(VP9_COMP *cpi, int target_bits_per_frame);
michael@0: void vp9_adjust_key_frame_context(VP9_COMP *cpi);
michael@0: void vp9_compute_frame_size_bounds(VP9_COMP *cpi,
michael@0:                                    int *frame_under_shoot_limit,
michael@0:                                    int *frame_over_shoot_limit);
michael@0: 
michael@0: // return of 0 means drop frame
michael@0: int vp9_pick_frame_size(VP9_COMP *cpi);
michael@0: 
michael@0: double vp9_convert_qindex_to_q(int qindex);
michael@0: int vp9_gfboost_qadjust(int qindex);
michael@0: int vp9_bits_per_mb(FRAME_TYPE frame_type, int qindex,
michael@0:                     double correction_factor);
michael@0: void vp9_setup_inter_frame(VP9_COMP *cpi);
michael@0: 
michael@0: #endif  // VP9_ENCODER_VP9_RATECTRL_H_