--- ratecontrol.h 2002/03/24 05:47:23 1.2 +++ ratecontrol.h 2002/10/19 11:41:11 1.7 @@ -1,15 +1,85 @@ +/***************************************************************************** + * + * XVID MPEG-4 VIDEO CODEC + * - 1 Pass rate controler header file - + * + * Copyright(C) 2002 Michael Militzer + * + * This program is an implementation of a part of one or more MPEG-4 + * Video tools as specified in ISO/IEC 14496-2 standard. Those intending + * to use this software module in hardware or software products are + * advised that its use may infringe existing patents or copyrights, and + * any such use would be at such party's own risk. The original + * developer of this software module and his/her company, and subsequent + * editors and their companies, will have no liability for use of this + * software or modifications or derivatives thereof. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: ratecontrol.h,v 1.7 2002/10/19 11:41:11 edgomez Exp $ + * + ****************************************************************************/ + #ifndef _RATECONTROL_H_ #define _RATECONTROL_H_ -#include "../encoder.h" #include "../portab.h" -void RateControlInit(uint32_t target_rate, uint32_t reaction_delay_factor, int framerate, - int max_quant, int min_quant); - -int RateControlGetQ(int keyframe); - -void RateControlUpdate(int16_t quant, int frame_size, int keyframe); +typedef struct +{ + int64_t size; + int32_t count; +} +QuantInfo; + +typedef struct +{ + int32_t rtn_quant; + int64_t frames; + int64_t total_size; + double framerate; + int32_t target_rate; + int16_t max_quant; + int16_t min_quant; + int64_t last_change; + int64_t quant_sum; + double quant_error[32]; + double avg_framesize; + double target_framesize; + double sequence_quality; + int32_t averaging_period; + int32_t reaction_delay_factor; + int32_t buffer; +} +RateControl; + +void RateControlInit(RateControl * rate_control, + uint32_t target_rate, + uint32_t reaction_delay_factor, + uint32_t averaging_period, + uint32_t buffer, + int framerate, + int max_quant, + int min_quant); + +int RateControlGetQ(RateControl * rate_control, + int keyframe); + +void RateControlUpdate(RateControl * rate_control, + int16_t quant, + int frame_size, + int keyframe); #endif /* _RATECONTROL_H_ */ -