theoradec.h

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/********************************************************************
 *                                                                  *
 * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE.   *
 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
 *                                                                  *
 * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2007                *
 * by the Xiph.Org Foundation http://www.xiph.org/                  *
 *                                                                  *
 ********************************************************************

  function:
  last mod: $Id: theora.h,v 1.8 2004/03/15 22:17:32 derf Exp $

 ********************************************************************/

#if !defined(_O_THEORA_THEORADEC_H_)
# define _O_THEORA_THEORADEC_H_ (1)
# include <stddef.h>
# include <ogg/ogg.h>
# include "codec.h"

#if defined(__cplusplus)
extern "C" {
#endif



#define TH_DECCTL_GET_PPLEVEL_MAX (1)

#define TH_DECCTL_SET_PPLEVEL (3)

#define TH_DECCTL_SET_GRANPOS (5)

#define TH_DECCTL_SET_STRIPE_CB (7)

#define TH_DECCTL_SET_TELEMETRY_MBMODE (9)
#define TH_DECCTL_SET_TELEMETRY_MV (11)
#define TH_DECCTL_SET_TELEMETRY_QI (13)
#define TH_DECCTL_SET_TELEMETRY_BITS (15)



typedef void (*th_stripe_decoded_func)(void *_ctx,th_ycbcr_buffer _buf,
 int _yfrag0,int _yfrag_end);

typedef struct{
  void                   *ctx;
  th_stripe_decoded_func  stripe_decoded;
}th_stripe_callback;



typedef struct th_dec_ctx    th_dec_ctx;
typedef struct th_setup_info th_setup_info;
extern int th_decode_headerin(th_info *_info,th_comment *_tc,
 th_setup_info **_setup,ogg_packet *_op);
extern th_dec_ctx *th_decode_alloc(const th_info *_info,
 const th_setup_info *_setup);
extern void th_setup_free(th_setup_info *_setup);
extern int th_decode_ctl(th_dec_ctx *_dec,int _req,void *_buf,
 size_t _buf_sz);
extern int th_decode_packetin(th_dec_ctx *_dec,const ogg_packet *_op,
 ogg_int64_t *_granpos);
extern int th_decode_ycbcr_out(th_dec_ctx *_dec,
 th_ycbcr_buffer _ycbcr);
extern void th_decode_free(th_dec_ctx *_dec);



#if defined(__cplusplus)
}
#endif

#endif

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