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| author | Seungha Yang <seungha@centricular.com> | 2021-09-02 22:06:52 +0900 |
|---|---|---|
| committer | Tim-Philipp Müller <tim@centricular.com> | 2021-09-02 17:47:52 +0100 |
| commit | 90606b9f701468b184aebb070965159f0400853c (patch) | |
| tree | 2ddeb74a1abf93fea9c3c53e023b69de283041c7 | |
| parent | 689efff2a23b0075601d423d83ac7eeaf4ad0bf6 (diff) | |
| download | gstreamer-plugins-bad-90606b9f701468b184aebb070965159f0400853c.tar.gz | |
videoparseutils: Fix for wrong CEA708 minimum size check
The minimum possible size of valid CEA708 data is 3 bytes, not 7 bytes
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2507>
| -rw-r--r-- | gst/videoparsers/gstvideoparseutils.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gst/videoparsers/gstvideoparseutils.c b/gst/videoparsers/gstvideoparseutils.c index cec724ac2..4e94d21b5 100644 --- a/gst/videoparsers/gstvideoparseutils.c +++ b/gst/videoparsers/gstvideoparseutils.c @@ -142,7 +142,11 @@ gst_video_parse_user_data (GstElement * elt, GstVideoParseUserData * user_data, } switch (user_data_type_code) { case A53_USER_DATA_TYPE_CODE_CC_DATA: - if (gst_byte_reader_get_remaining (br) < 7) { + /* 1 (cc count byte) + + * 1 (reserved byte, 0xff) + + * 1 (marker_bits, 0xff) + */ + if (gst_byte_reader_get_remaining (br) < 3) { GST_WARNING_OBJECT (elt, "Closed caption data packet too short, ignoring"); break; |