40 строки
1.2 KiB
C
40 строки
1.2 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 VP8_ENCODER_RATECTRL_H_
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#define VP8_ENCODER_RATECTRL_H_
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#include "onyx_int.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void vp8_save_coding_context(VP8_COMP *cpi);
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extern void vp8_restore_coding_context(VP8_COMP *cpi);
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extern void vp8_setup_key_frame(VP8_COMP *cpi);
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extern void vp8_update_rate_correction_factors(VP8_COMP *cpi, int damp_var);
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extern int vp8_regulate_q(VP8_COMP *cpi, int target_bits_per_frame);
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extern void vp8_adjust_key_frame_context(VP8_COMP *cpi);
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extern void vp8_compute_frame_size_bounds(VP8_COMP *cpi, int *frame_under_shoot_limit, int *frame_over_shoot_limit);
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/* return of 0 means drop frame */
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extern int vp8_pick_frame_size(VP8_COMP *cpi);
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extern int vp8_drop_encodedframe_overshoot(VP8_COMP *cpi, int Q);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP8_ENCODER_RATECTRL_H_
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