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Fixed a possible division by zero in frame rate detection

This commit is contained in:
Klaus Schmidinger 2014-04-13 14:00:42 +02:00
parent 1dca279938
commit 99d7fe6cf9
3 changed files with 14 additions and 5 deletions
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4
HISTORY
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@ -7915,3 +7915,7 @@ Video Disk Recorder Revision History
on a system with a large number of recordings.
- The APIVERSION has been increased to 2.0.6 due to the changes to pat.h, sdt.h and
the functional modification to cFont::CreateFont().
2014-04-13: Version 2.0.7
- Fixed a possible division by zero in frame rate detection.

6
config.h
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: config.h 2.76.1.7 2014/03/22 11:00:00 kls Exp $
* $Id: config.h 2.76.1.8 2014/04/13 14:00:42 kls Exp $
*/
#ifndef __CONFIG_H
@ -22,8 +22,8 @@
// VDR's own version number:
#define VDRVERSION "2.0.6"
#define VDRVERSNUM 20006 // Version * 10000 + Major * 100 + Minor
#define VDRVERSION "2.0.7"
#define VDRVERSNUM 20007 // Version * 10000 + Major * 100 + Minor
// The plugin API's version number:

9
remux.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: remux.c 2.75.1.5 2014/03/08 15:10:24 kls Exp $
* $Id: remux.c 2.75.1.6 2014/04/13 13:59:21 kls Exp $
*/
#include "remux.h"
@ -1511,7 +1511,12 @@ int cFrameDetector::Analyze(const uchar *Data, int Length)
for (int i = 0; i < numPtsValues; i++)
ptsValues[i] = ptsValues[i + 1] - ptsValues[i];
qsort(ptsValues, numPtsValues, sizeof(uint32_t), CmpUint32);
uint32_t Delta = ptsValues[0] / (framesPerPayloadUnit + parser->IFrameTemporalReferenceOffset());
int Div = framesPerPayloadUnit;
if (framesPerPayloadUnit > 1)
Div += parser->IFrameTemporalReferenceOffset();
if (Div <= 0)
Div = 1;
uint32_t Delta = ptsValues[0] / Div;
// determine frame info:
if (isVideo) {
if (abs(Delta - 3600) <= 1)