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 VP8_ENCODER_RATECTRL_H_
13 #define VP8_ENCODER_RATECTRL_H_
14 
15 #include "onyx_int.h"
16 
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20 
21 extern void vp8_save_coding_context(VP8_COMP *cpi);
22 extern void vp8_restore_coding_context(VP8_COMP *cpi);
23 
24 extern void vp8_setup_key_frame(VP8_COMP *cpi);
25 extern void vp8_update_rate_correction_factors(VP8_COMP *cpi, int damp_var);
26 extern int vp8_regulate_q(VP8_COMP *cpi, int target_bits_per_frame);
27 extern void vp8_adjust_key_frame_context(VP8_COMP *cpi);
28 extern void vp8_compute_frame_size_bounds(VP8_COMP *cpi, int *frame_under_shoot_limit, int *frame_over_shoot_limit);
29 
30 /* return of 0 means drop frame */
31 extern int vp8_pick_frame_size(VP8_COMP *cpi);
32 
33 extern int vp8_drop_encodedframe_overshoot(VP8_COMP *cpi, int Q);
34 
35 #ifdef __cplusplus
36 }  // extern "C"
37 #endif
38 
39 #endif  // VP8_ENCODER_RATECTRL_H_
40