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