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2f3a98931f
Besides some VBI cleanups this patch also fixes a subtle problem with the VBI re-insertion stream where the PIO work handler wasn't called quickly enough, resulting in occasional corrupt data. Furthermore the CC output didn't disable CC correctly and at the right time, causing duplicates to be sent. An saa7127 fix for VPS output was also added: the wrong data was sent. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
/*
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Vertical Blank Interval support functions
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Copyright (C) 2004-2007 Hans Verkuil <hverkuil@xs4all.nl>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef IVTV_VBI_H
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#define IVTV_VBI_H
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void ivtv_write_vbi(struct ivtv *itv, const struct v4l2_sliced_vbi_data *sliced, size_t count);
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void ivtv_process_vbi_data(struct ivtv *itv, struct ivtv_buffer *buf,
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u64 pts_stamp, int streamtype);
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int ivtv_used_line(struct ivtv *itv, int line, int field);
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void ivtv_disable_cc(struct ivtv *itv);
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void ivtv_set_vbi(unsigned long arg);
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void ivtv_vbi_work_handler(struct ivtv *itv);
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#endif
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