postproc: fix null pointer dereference with invalid option strings

Fixes CID1135760
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-12-11 22:24:51 +01:00
parent 9ab5cf5417
commit f6173fed60
1 changed files with 4 additions and 0 deletions

View File

@ -719,6 +719,10 @@ pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality)
if(filterToken == NULL) break;
p+= strlen(filterToken) + 1; // p points to next filterToken
filterName= strtok(filterToken, optionDelimiters);
if (filterName == NULL) {
ppMode->error++;
break;
}
av_log(NULL, AV_LOG_DEBUG, "pp: %s::%s\n", filterToken, filterName);
if(*filterName == '-'){