libtheora: theoraenc.h Source File

00001 /********************************************************************
00002  *                                                                  *
00003  * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE.   *
00004  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
00005  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
00006  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
00007  *                                                                  *
00008  * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2003                *
00009  * by the Xiph.Org Foundation http://www.xiph.org/                  *
00010  *                                                                  *
00011  ********************************************************************
00012 
00013   function:
00014   last mod: $Id: theora.h,v 1.8 2004/03/15 22:17:32 derf Exp $
00015 
00016  ********************************************************************/
00017 
00021 #if !defined(_O_THEORA_THEORAENC_H_)
00022 # define _O_THEORA_THEORAENC_H_ (1)
00023 # include <stddef.h>
00024 # include <ogg/ogg.h>
00025 # include "codec.h"
00026 
00027 #if defined(__cplusplus)
00028 extern "C" {
00029 #endif
00030 
00031 
00032 
00053 #define TH_ENCCTL_SET_HUFFMAN_CODES (0)
00054 
00072 #define TH_ENCCTL_SET_QUANT_PARAMS (2)
00073 
00085 #define TH_ENCCTL_SET_KEYFRAME_FREQUENCY_FORCE (4)
00086 
00113 #define TH_ENCCTL_SET_VP3_COMPATIBLE (10)
00114 
00127 #define TH_ENCCTL_GET_SPLEVEL_MAX (12)
00128 
00141 #define TH_ENCCTL_SET_SPLEVEL (14)
00142 
00147 extern const th_quant_info TH_VP31_QUANT_INFO;
00148 
00150 extern const th_huff_code
00151  TH_VP31_HUFF_CODES[TH_NHUFFMAN_TABLES][TH_NDCT_TOKENS];
00152 
00153 
00154 
00162 typedef struct th_enc_ctx    th_enc_ctx;
00192 extern th_enc_ctx *th_encode_alloc(const th_info *_info);
00201 extern int th_encode_ctl(th_enc_ctx *_enc,int _req,void *_buf,size_t _buf_sz);
00219 extern int th_encode_flushheader(th_enc_ctx *_enc,
00220  th_comment *_comments,ogg_packet *_op);
00229 extern int th_encode_ycbcr_in(th_enc_ctx *_enc,th_ycbcr_buffer _ycbcr);
00253 extern int th_encode_packetout(th_enc_ctx *_enc,int _last,ogg_packet *_op);
00256 extern void th_encode_free(th_enc_ctx *_enc);
00259 
00260 
00261 
00262 #if defined(__cplusplus)
00263 }
00264 #endif
00265 
00266 #endif