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triple: fix wrong length in cDemux::sectionFilter()

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This commit is contained in:
Stefan Seyfried
2013-03-02 15:45:18 +01:00
parent 4b9d9271b6
commit c191aba9ca
1 changed files with 6 additions and 4 deletions
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10
libtriple/dmx_td.cpp
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@@ -358,7 +358,9 @@ bool cDemux::sectionFilter(unsigned short pid, const unsigned char * const filte
memset(&s_flt, 0, sizeof(s_flt));
if (len > FILTER_LENGTH - 2)
lt_info("%s #%d: len too long: %d, FILTER_LENGTH: %d\n", __FUNCTION__, num, len, FILTER_LENGTH);
lt_info("%s #%d: len too long: %d, FILTER_LENGTH: %d\n", __func__, num, len, FILTER_LENGTH);
if (len < 1) /* memcpy below will be unhappy */
lt_info("%s #%d: len too small: %d\n", __func__, num, len);
length = (len + 2 + 1) & 0xfe; /* reportedly, the TD drivers don't handle odd filter */
if (length > FILTER_LENGTH) /* lengths well. So make sure the length is a multiple */
@@ -368,12 +370,12 @@ bool cDemux::sectionFilter(unsigned short pid, const unsigned char * const filte
s_flt.filter[0] = filter[0];
s_flt.mask[0] = mask[0];
s_flt.timeout = timeout;
memcpy(&s_flt.filter[3], &filter[1], length - 1);
memcpy(&s_flt.mask[3], &mask[1], length - 1);
memcpy(&s_flt.filter[3], &filter[1], len - 1);
memcpy(&s_flt.mask[3], &mask[1], len - 1);
if (negmask != NULL)
{
s_flt.positive[0] = negmask[0];
memcpy(&s_flt.positive[3], &negmask[1], length - 1);
memcpy(&s_flt.positive[3], &negmask[1], len - 1);
}
s_flt.flags = XPDF_IMMEDIATE_START;