AOMedia AV1 Codec: av1/encoder/gop_structure.h Source File

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gop_structure.h
1/*
2 * Copyright (c) 2019, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12#ifndef AOM_AV1_ENCODER_GOP_STRUCTURE_H_
13#define AOM_AV1_ENCODER_GOP_STRUCTURE_H_
14
15#include "av1/common/av1_common_int.h"
16#include "av1/encoder/ratectrl.h"
17
18#ifdef __cplusplus
19extern "C" {
20#endif
22struct AV1_COMP;
23struct EncodeFrameParams;
24
25#define MIN_ARF_GF_BOOST 240
26#define NORMAL_BOOST 100
27
43 void av1_gop_setup_structure(struct AV1_COMP *cpi);
44
64void av1_gop_bit_allocation(const AV1_COMP *cpi, RATE_CONTROL *const rc,
65 GF_GROUP *gf_group, int is_key_frame, int use_arf,
66 int64_t gf_group_bits);
67
77 int av1_gop_check_forward_keyframe(const GF_GROUP *gf_group,
78 int gf_frame_index);
79
89 int av1_gop_is_second_arf(const GF_GROUP *gf_group, int gf_frame_index);
90
91#ifdef __cplusplus
92} // extern "C"
93#endif
94
95#endif // AOM_AV1_ENCODER_GOP_STRUCTURE_H_
av1_gop_is_second_arf
int av1_gop_is_second_arf(const GF_GROUP *gf_group, int gf_frame_index)
Check whether a frame in the GOP is the second arf.
av1_gop_setup_structure
void av1_gop_setup_structure(struct AV1_COMP *cpi)
Set up the Group-Of-Pictures structure for this GF_GROUP.
av1_gop_bit_allocation
void av1_gop_bit_allocation(const AV1_COMP *cpi, RATE_CONTROL *const rc, GF_GROUP *gf_group, int is_key_frame, int use_arf, int64_t gf_group_bits)
Distributes bits to frames in a group.
Definition pass2_strategy.c:2677
av1_gop_check_forward_keyframe
int av1_gop_check_forward_keyframe(const GF_GROUP *gf_group, int gf_frame_index)
Check whether a frame in the GOP is a forward key frame.
AV1_COMP
Top level encoder structure.
Definition encoder.h:2872
EncodeFrameParams
contains per-frame encoding parameters decided upon by av1_encode_strategy() and passed down to av1_e...
Definition encoder.h:3673
GF_GROUP
Data related to the current GF/ARF group and the individual frames within the group.
Definition firstpass.h:354
RATE_CONTROL
Rate Control parameters and status.
Definition ratectrl.h:134