gstreamer/subprojects/gst-plugins-bad/ext/closedcaption/io-sim.h

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2019-02-21 18:05:03 +00:00
/*
* libzvbi -- VBI device simulation
*
* Copyright (C) 2004, 2007 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: io-sim.h,v 1.11 2013-08-28 14:45:23 mschimek Exp $ */
#ifndef __ZVBI_IO_SIM_H__
#define __ZVBI_IO_SIM_H__
#include "macros.h"
#include "sampling_par.h"
VBI_BEGIN_DECLS
/* Public */
/**
* @addtogroup Rawenc
* @{
*/
extern vbi_bool
vbi_raw_video_image (uint8_t * raw,
unsigned long raw_size,
const vbi_sampling_par *sp,
int blank_level,
int black_level,
int white_level,
unsigned int pixel_mask,
vbi_bool swap_fields,
const vbi_sliced * sliced,
unsigned int n_sliced_lines);
extern vbi_bool
vbi_raw_add_noise (uint8_t * raw,
const vbi_sampling_par *sp,
unsigned int min_freq,
unsigned int max_freq,
unsigned int amplitude,
unsigned int seed);
extern vbi_bool
vbi_raw_vbi_image (uint8_t * raw,
unsigned long raw_size,
const vbi_sampling_par *sp,
int blank_level,
int white_level,
vbi_bool swap_fields,
const vbi_sliced * sliced,
unsigned int n_sliced_lines);
#define _VBI_RAW_SWAP_FIELDS (1 << 0)
#define _VBI_RAW_SHIFT_CC_CRI (1 << 1)
#define _VBI_RAW_LOW_AMP_CC (1 << 2)
/* NB. Currently this flag has no effect in _vbi_raw_*_image().
Call vbi_raw_add_noise() instead. */
#define _VBI_RAW_NOISE_2 (1 << 17)
extern vbi_bool
_vbi_raw_video_image (uint8_t * raw,
unsigned long raw_size,
const vbi_sampling_par *sp,
int blank_level,
int black_level,
int white_level,
unsigned int pixel_mask,
unsigned int flags,
const vbi_sliced * sliced,
unsigned int n_sliced_lines);
extern vbi_bool
_vbi_raw_vbi_image (uint8_t * raw,
unsigned long raw_size,
const vbi_sampling_par *sp,
int blank_level,
int white_level,
unsigned int flags,
const vbi_sliced * sliced,
unsigned int n_sliced_lines);
VBI_END_DECLS
#endif /* __ZVBI_IO_SIM_H__ */
/*
Local variables:
c-set-style: K&R
c-basic-offset: 8
End:
*/