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/***************************************************************************** |
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* |
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* XVID MPEG-4 VIDEO CODEC |
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* - 1 Pass rate controler header file - |
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* |
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* Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> |
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* |
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* This file is part of XviD, a free MPEG-4 video encoder/decoder |
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* |
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* XviD is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* Under section 8 of the GNU General Public License, the copyright |
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* holders of XVID explicitly forbid distribution in the following |
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* countries: |
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* |
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* - Japan |
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* - United States of America |
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* |
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* Linking XviD statically or dynamically with other modules is making a |
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* combined work based on XviD. Thus, the terms and conditions of the |
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* GNU General Public License cover the whole combination. |
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* |
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* As a special exception, the copyright holders of XviD give you |
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* permission to link XviD with independent modules that communicate with |
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* XviD solely through the VFW1.1 and DShow interfaces, regardless of the |
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* license terms of these independent modules, and to copy and distribute |
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* the resulting combined work under terms of your choice, provided that |
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* every copy of the combined work is accompanied by a complete copy of |
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* the source code of XviD (the version of XviD used to produce the |
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* combined work), being distributed under the terms of the GNU General |
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* Public License plus this exception. An independent module is a module |
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* which is not derived from or based on XviD. |
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* |
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* Note that people who make modified versions of XviD are not obligated |
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* to grant this special exception for their modified versions; it is |
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* their choice whether to do so. The GNU General Public License gives |
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* permission to release a modified version without this exception; this |
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* exception also makes it possible to release a modified version which |
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* carries forward this exception. |
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* |
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* $Id$ |
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* |
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****************************************************************************/ |
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#ifndef _RATECONTROL_H_ |
#ifndef _RATECONTROL_H_ |
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#define _RATECONTROL_H_ |
#define _RATECONTROL_H_ |
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#include "../encoder.h" |
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#include "../portab.h" |
#include "../portab.h" |
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void RateControlInit(uint32_t target_rate, uint32_t reaction_delay_factor, |
typedef struct |
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uint32_t averaging_period, uint32_t buffer, |
{ |
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int framerate, int max_quant, int min_quant); |
int64_t size; |
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int32_t count; |
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int RateControlGetQ(int keyframe); |
} |
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QuantInfo; |
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void RateControlUpdate(int16_t quant, int frame_size, int keyframe); |
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typedef struct |
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{ |
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int32_t rtn_quant; |
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int64_t frames; |
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int64_t total_size; |
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double framerate; |
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int32_t target_rate; |
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int16_t max_quant; |
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int16_t min_quant; |
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int64_t last_change; |
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int64_t quant_sum; |
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double quant_error[32]; |
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double avg_framesize; |
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double target_framesize; |
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double sequence_quality; |
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int32_t averaging_period; |
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int32_t reaction_delay_factor; |
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int32_t buffer; |
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} |
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RateControl; |
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void RateControlInit(RateControl * rate_control, |
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uint32_t target_rate, |
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uint32_t reaction_delay_factor, |
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uint32_t averaging_period, |
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uint32_t buffer, |
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int framerate, |
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int max_quant, |
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int min_quant); |
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int RateControlGetQ(RateControl * rate_control, |
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int keyframe); |
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void RateControlUpdate(RateControl * rate_control, |
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int16_t quant, |
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int frame_size, |
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int keyframe); |
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#endif /* _RATECONTROL_H_ */ |
#endif /* _RATECONTROL_H_ */ |
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