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

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encode_strategy.h
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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
15 #ifndef AOM_AV1_ENCODER_ENCODE_STRATEGY_H_
16 #define AOM_AV1_ENCODER_ENCODE_STRATEGY_H_
17
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21
22 #include <stdint.h>
23
24 #include "aom/aom_encoder.h"
25
26 #include "av1/encoder/encoder.h"
27 #include "av1/encoder/firstpass.h"
28
54 int av1_encode_strategy(AV1_COMP *const cpi, size_t *const size,
55 uint8_t *const dest, unsigned int *frame_flags,
56 int64_t *const time_stamp, int64_t *const time_end,
57 const aom_rational64_t *const timestamp_ratio,
58 int flush);
59
61 // Set individual buffer update flags based on frame reference type.
62 // force_refresh_all is used when we have a KEY_FRAME or S_FRAME. It forces all
63 // refresh_*_frame flags to be set, because we refresh all buffers in this case.
64 void av1_configure_buffer_updates(
65 AV1_COMP *const cpi, RefreshFrameFlagsInfo *const refresh_frame_flags,
66 const FRAME_UPDATE_TYPE type, const FRAME_TYPE frame_type,
67 int force_refresh_all);
68
69 int av1_get_refresh_frame_flags(const AV1_COMP *const cpi,
70 const EncodeFrameParams *const frame_params,
71 FRAME_UPDATE_TYPE frame_update_type,
72 const RefBufferStack *const ref_buffer_stack);
73
74 int av1_get_refresh_ref_frame_map(int refresh_frame_flags);
75
76 void av1_update_ref_frame_map(AV1_COMP *cpi,
77 FRAME_UPDATE_TYPE frame_update_type,
78 FRAME_TYPE frame_type, int show_existing_frame,
79 int ref_map_index,
80 RefBufferStack *ref_buffer_stack);
81
82 void av1_get_ref_frames(AV1_COMP *const cpi, RefBufferStack *ref_buffer_stack);
83
84 int is_forced_keyframe_pending(struct lookahead_ctx *lookahead,
85 const int up_to_index,
86 const COMPRESSOR_STAGE compressor_stage);
88 #ifdef __cplusplus
89 } // extern "C"
90 #endif
91
92 #endif // AOM_AV1_ENCODER_ENCODE_STRATEGY_H_
aom_encoder.h
Describes the encoder algorithm interface to applications.
encoder.h
Declares top-level encoder structures and functions.
av1_encode_strategy
int av1_encode_strategy(AV1_COMP *const cpi, size_t *const size, uint8_t *const dest, unsigned int *frame_flags, int64_t *const time_stamp, int64_t *const time_end, const aom_rational64_t *const timestamp_ratio, int flush)
Implement high-level encode strategy.
Definition: encode_strategy.c:1085
AV1_COMP
Top level encoder structure.
Definition: encoder.h:2095
EncodeFrameParams
contains per-frame encoding parameters decided upon by av1_encode_strategy() and passed down to av1_e...
Definition: encoder.h:2726
RefreshFrameFlagsInfo
Refresh frame flags for different type of frames.
Definition: encoder.h:1767