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gerrit-public.fairphone.software / platform / external / libavc / refs/heads/int/12/fp4 / . / encoder / irc_bit_allocation.h
blob: 19ba0dfcb485b5b44862499383a24db8ec8e6241 [file] [log] [blame]
Hamsalekha S8d3d3032015-03-13 21:24:58 +0530[diff] [blame]1/******************************************************************************
2 *
3 * Copyright (C) 2015 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 *****************************************************************************
18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19*/
20
21#ifndef _BIT_ALLOCATION_H_
22#define _BIT_ALLOCATION_H_
23
24typedef struct bit_allocation_t *bit_allocation_handle;
25
26WORD32 irc_ba_num_fill_use_free_memtab(bit_allocation_handle *pps_bit_allocation,
27 itt_memtab_t *ps_memtab,
28 ITT_FUNC_TYPE_E e_func_type);
29
30void irc_ba_init_bit_allocation(bit_allocation_handle ps_bit_allocation,
31 pic_handling_handle ps_pic_handling,
32 WORD32 i4_num_intra_frm_interval,
33 WORD32 i4_bit_rate,
34 WORD32 i4_frm_rate,
35 WORD32 *u4_peak_bit_rate,
36 WORD32 i4_min_bitrate);
37
38/* Estimates the number of texture bits required by the current frame */
39WORD32 irc_ba_get_cur_frm_est_texture_bits(bit_allocation_handle ps_bit_allocation,
40 rc_rd_model_handle *pps_rd_model,
41 est_sad_handle ps_est_sad,
42 pic_handling_handle ps_pic_handling,
43 picture_type_e e_pic_type);
44
45/* Estimate the number of header bits required by the current frame */
46WORD32 irc_ba_get_cur_frm_est_header_bits(bit_allocation_handle ps_bit_allocation,
47 picture_type_e e_pic_type);
48
49/* Get the remaining bits allocated in the period */
50WORD32 irc_ba_get_rem_bits_in_period(bit_allocation_handle ps_bit_allocation,
51 pic_handling_handle ps_pic_handling);
52
53WORD32 irc_ba_get_frame_rate(bit_allocation_handle ps_bit_allocation);
54
55WORD32 irc_ba_get_bit_rate(bit_allocation_handle ps_bit_allocation);
56void irc_ba_get_peak_bit_rate(bit_allocation_handle ps_bit_allocation,
57 WORD32 *pi4_peak_bit_rate);
58
59/* Updates the bit allocation module with the actual encoded values */
60void irc_ba_update_cur_frm_consumed_bits(bit_allocation_handle ps_bit_allocation,
61 pic_handling_handle ps_pic_handling,
62 WORD32 i4_total_frame_bits,
63 WORD32 i4_model_updation_hdr_bits,
64 picture_type_e e_pic_type,
65 UWORD8 u1_is_scd,
66 WORD32 i4_last_frm_in_gop);
67
68void irc_ba_check_and_update_bit_allocation(bit_allocation_handle ps_bit_allocation,
69 pic_handling_handle ps_pic_handling,
70 WORD32 i4_cur_buf_size,
71 WORD32 i4_max_buf_size,
72 WORD32 i4_max_bits_inflow_per_frm,
73 WORD32 i4_tot_frame_bits);
74
75/* Based on the change in frame/bit rate update the remaining bits in period */
76void irc_ba_change_remaining_bits_in_period(bit_allocation_handle ps_bit_allocation,
77 pic_handling_handle ps_pic_handling,
78 WORD32 i4_bit_rate,
79 WORD32 i4_frame_rate,
80 WORD32 *i4_peak_bit_rate);
81
82/* Change the gop size in the middle of a current gop */
83void change_gop_size(bit_allocation_handle ps_bit_allocation,
84 WORD32 i4_intra_frm_interval,
85 WORD32 i4_inter_frm_interval,
86 WORD32 i4_num_intra_frm_interval);
87
88void update_rem_frms_in_period(bit_allocation_handle ps_bit_allocation,
89 picture_type_e e_pic_type,
90 UWORD8 u1_is_first_frm,
91 WORD32 i4_intra_frm_interval,
92 WORD32 i4_num_intra_frm_interval);
93
94void irc_ba_change_rem_bits_in_prd_at_force_I_frame(bit_allocation_handle ps_bit_allocation,
95 pic_handling_handle ps_pic_handling);
96
97void irc_ba_change_ba_peak_bit_rate(bit_allocation_handle ps_bit_allocation,
98 WORD32 *ai4_peak_bit_rate);
99#endif