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pesparse: Fix pes extension data length check

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And remove length/data updates (we use the header size just below to
properly set them).

Based on feedback from Stas Sergeev <stsp@list.ru>

https://bugzilla.gnome.org/show_bug.cgi?id=657343
This commit is contained in:
Edward Hervey 2013-08-14 10:39:46 +02:00
parent 5208b8a050
commit ddee83ef0b
1 changed files with 1 additions and 3 deletions
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4
gst/mpegtsdemux/pesparse.c
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@ -336,7 +336,7 @@ mpegts_parse_pes_header (const guint8 * data, gsize length, PESHeader * res)
goto bad_extension_marker_2;
res->extension_field_length = val8 & 0x7f;
if (G_UNLIKELY (length < res->extension_field_length + 1))
if (G_UNLIKELY (length < res->extension_field_length))
goto need_more_data;
GST_LOG ("extension_field_length : %" G_GSIZE_FORMAT,
@ -354,9 +354,7 @@ mpegts_parse_pes_header (const guint8 * data, gsize length, PESHeader * res)
} else {
GST_LOG ("tref_extension : %d", flags & 0x01);
}
data += res->extension_field_length;
}
length -= res->extension_field_length + 1;
}
stuffing_byte: