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Code Issues Releases Wiki Activity

Fixed cRingBufferLinear::Get() in case the buffer wraps around

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This commit is contained in:
Klaus Schmidinger 2004-06-19 12:33:03 +02:00
parent c4e0e6a54a
commit a20f952f70
3 changed files with 5 additions and 1 deletions
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1
CONTRIBUTORS
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@ -735,6 +735,7 @@ Ludwig Nussel <ludwig.nussel@web.de>
for making the plugin library directory configurable via Make.config for making the plugin library directory configurable via Make.config
for reporting a problem on systems that have UTF-8 enabled for reporting a problem on systems that have UTF-8 enabled
for pointing out a flaw in the the description of cRingBufferLinear for pointing out a flaw in the the description of cRingBufferLinear
for reporting a bug in cRingBufferLinear::Get() in case the buffer wraps around
Thomas Koch <tom@harhar.net> Thomas Koch <tom@harhar.net>
for his support in keeping the Premiere World channels up to date in 'channels.conf' for his support in keeping the Premiere World channels up to date in 'channels.conf'

2
HISTORY
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@ -2932,3 +2932,5 @@ Video Disk Recorder Revision History
Cedric for reporting this one). Cedric for reporting this one).
- Fixed the description of cRingBufferLinear (thanks to Ludwig Nussel for pointing - Fixed the description of cRingBufferLinear (thanks to Ludwig Nussel for pointing
out this one). out this one).
- Fixed cRingBufferLinear::Get() in case the buffer wraps around (thanks to Ludwig
Nussel for reporting this one).

3
ringbuffer.c
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@ -7,7 +7,7 @@
* Parts of this file were inspired by the 'ringbuffy.c' from the * Parts of this file were inspired by the 'ringbuffy.c' from the
* LinuxDVB driver (see linuxtv.org). * LinuxDVB driver (see linuxtv.org).
* *
* $Id: ringbuffer.c 1.19 2004/03/07 13:46:51 kls Exp $ * $Id: ringbuffer.c 1.20 2004/06/19 12:27:56 kls Exp $
*/ */
#include "ringbuffer.h" #include "ringbuffer.h"
@ -181,6 +181,7 @@ uchar *cRingBufferLinear::Get(int &Count)
int t = margin - rest; int t = margin - rest;
memcpy(buffer + t, buffer + tail, rest); memcpy(buffer + t, buffer + tail, rest);
tail = t; tail = t;
rest = head - tail;
} }
int diff = head - tail; int diff = head - tail;
int cont = (diff >= 0) ? diff : Size() + diff - margin; int cont = (diff >= 0) ? diff : Size() + diff - margin;