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mpegtssection: Fix PAT parsing

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Use the estimated number of programs for parsing. Avoids over-reading.

https://bugzilla.gnome.org/show_bug.cgi?id=775120
This commit is contained in:
Edward Hervey 2016-11-26 10:23:01 +01:00 committed by Edward Hervey
parent 9053a01e72
commit 7b12593cce
1 changed files with 4 additions and 4 deletions
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8
gst-libs/gst/mpegts/gstmpegtssection.c
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@ -414,7 +414,7 @@ static gpointer
_parse_pat (GstMpegtsSection * section)
{
GPtrArray *pat;
guint16 i = 0, nb_programs;
guint16 i, nb_programs;
GstMpegtsPatProgram *program;
guint8 *data, *end;
@ -430,7 +430,9 @@ _parse_pat (GstMpegtsSection * section)
g_ptr_array_new_full (nb_programs,
(GDestroyNotify) _mpegts_pat_program_free);
while (data < end - 4) {
GST_LOG ("nb_programs %u", nb_programs);
for (i = 0; i < nb_programs; i++) {
program = g_slice_new0 (GstMpegtsPatProgram);
program->program_number = GST_READ_UINT16_BE (data);
data += 2;
@ -439,8 +441,6 @@ _parse_pat (GstMpegtsSection * section)
data += 2;
g_ptr_array_index (pat, i) = program;
i++;
}
pat->len = nb_programs;