linux/drivers/media/platform/vivid/vivid-vbi-gen.h
Hans Verkuil 62f28725a8 [media] vivid: add teletext support to VBI capture
This is useful to test teletext capture applications like alevt and mtt.

It also fixes a previously undetected bug where the PAL VBI start line
of the second field was off by one. Using the new field start defines
helps a lot fixing such bugs.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-21 20:40:05 -03:00

34 lines
1.2 KiB
C

/*
* vivid-vbi-gen.h - vbi generator support functions.
*
* Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*
* This program is free software; you may redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _VIVID_VBI_GEN_H_
#define _VIVID_VBI_GEN_H_
struct vivid_vbi_gen_data {
struct v4l2_sliced_vbi_data data[25];
u8 time_of_day_packet[16];
};
void vivid_vbi_gen_sliced(struct vivid_vbi_gen_data *vbi,
bool is_60hz, unsigned seqnr);
void vivid_vbi_gen_raw(const struct vivid_vbi_gen_data *vbi,
const struct v4l2_vbi_format *vbi_fmt, u8 *buf);
#endif