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zapit: fix SDT scan

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the SDT scan could sometimes erase half of a transponder after
a read error from the demux device device (e.g. due to bad
reception had occured or the channel had been changed since scan
had started.


Origin commit data
------------------
Commit: 63af4043a7
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2011-12-04 (Sun, 04 Dec 2011)
This commit is contained in:
Stefan Seyfried
2011-12-04 14:37:32 +01:00
parent 6dea2fe3ee
commit 751f50f850
1 changed files with 6 additions and 5 deletions
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11
src/zapit/src/sdt.cpp
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@@ -2,10 +2,11 @@
* $Id: sdt.cpp,v 1.44 2003/03/14 08:22:04 obi Exp $ * $Id: sdt.cpp,v 1.44 2003/03/14 08:22:04 obi Exp $
* *
* (C) 2002, 2003 by Andreas Oberritter <obi@tuxbox.org> * (C) 2002, 2003 by Andreas Oberritter <obi@tuxbox.org>
* (C) 2011 Stefan Seyfried, all changes by me are GPLv3+ only!
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or * the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version. * (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
@@ -15,8 +16,7 @@
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA
*
*/ */
#include <fcntl.h> #include <fcntl.h>
@@ -421,9 +421,10 @@ int parse_current_sdt( const t_transport_stream_id p_transport_stream_id, const
do { do {
if ((dmx->sectionFilter(0x11, filter, mask, 8) < 0) || (dmx->Read(buffer, SDT_SIZE) < 0)) { if ((dmx->sectionFilter(0x11, filter, mask, 8) < 0) || (dmx->Read(buffer, SDT_SIZE) < 0)) {
delete dmx; ret = -1; /* if we already received something, throw it away anyway */
return ret; break;
} }
dmx->Stop(); dmx->Stop();
section_length = ((buffer[1] & 0x0F) << 8) | buffer[2]; section_length = ((buffer[1] & 0x0F) << 8) | buffer[2];