gstreamer/ext/closedcaption/sampling_par.h

88 lines
2.7 KiB
C
Raw Normal View History

/*
* libzvbi -- Raw VBI sampling parameters
*
* Copyright (C) 2000-2004 Michael H. Schimek
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*/
/* $Id: sampling_par.h,v 1.9 2008-02-24 14:17:06 mschimek Exp $ */
#ifndef __SAMPLING_PAR_H__
#define __SAMPLING_PAR_H__
#include "decoder.h"
VBI_BEGIN_DECLS
/* Public */
typedef vbi_raw_decoder vbi_sampling_par;
#define VBI_VIDEOSTD_SET_EMPTY 0
#define VBI_VIDEOSTD_SET_PAL_BG 1
#define VBI_VIDEOSTD_SET_625_50 1
#define VBI_VIDEOSTD_SET_525_60 2
#define VBI_VIDEOSTD_SET_ALL 3
typedef uint64_t vbi_videostd_set;
/* Private */
extern vbi_service_set
vbi_sampling_par_from_services (vbi_sampling_par * sp,
unsigned int * max_rate,
vbi_videostd_set videostd_set,
vbi_service_set services);
extern vbi_service_set
vbi_sampling_par_check_services
(const vbi_sampling_par *sp,
vbi_service_set services,
unsigned int strict)
_vbi_pure;
extern vbi_videostd_set
_vbi_videostd_set_from_scanning (int scanning);
extern vbi_service_set
_vbi_sampling_par_from_services_log
(vbi_sampling_par * sp,
unsigned int * max_rate,
vbi_videostd_set videostd_set,
vbi_service_set services,
_vbi_log_hook * log);
extern vbi_service_set
_vbi_sampling_par_check_services_log
(const vbi_sampling_par *sp,
vbi_service_set services,
unsigned int strict,
_vbi_log_hook * log)
_vbi_pure;
extern vbi_bool
_vbi_sampling_par_valid_log (const vbi_sampling_par *sp,
_vbi_log_hook * log)
_vbi_pure;
VBI_END_DECLS
#endif /* __SAMPLING_PAR_H__ */
/*
Local variables:
c-set-style: K&R
c-basic-offset: 8
End:
*/