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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 |
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* |
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* This program is an implementation of a part of one or more MPEG-4 |
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* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
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* to use this software module in hardware or software products are |
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* advised that its use may infringe existing patents or copyrights, and |
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* any such use would be at such party's own risk. The original |
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* developer of this software module and his/her company, and subsequent |
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* editors and their companies, will have no liability for use of this |
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* software or modifications or derivatives thereof. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it 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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* $Id: ratecontrol.h,v 1.6 2002-09-05 20:37:40 edgomez Exp $ |
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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 rc_buffersize, int framerate, |
typedef struct |
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int width, int height, int max_quant, int min_quant); |
{ |
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int64_t size; |
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int RateControlGetQ(int keyframe); |
int32_t count; |
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} |
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void RateControlUpdate(int16_t quant, int frame_size, int keyframe); |
QuantInfo; |
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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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