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rtpvp8: Reject unknown bitstream versions

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This commit is contained in:
Olivier Crête 2011-07-12 18:03:53 -04:00 committed by Tim-Philipp Müller
parent 74a1a704bf
commit 97c3f3617c
1 changed files with 5 additions and 0 deletions
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5
gst/rtp/gstrtpvp8pay.c
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@ -141,6 +141,11 @@ gst_rtp_vp8_pay_parse_frame (GstRtpVP8Pay * self, GstBuffer * buffer)
self->is_keyframe = keyframe = ((data[0] & 0x1) == 0);
version = (data[0] >> 1) & 0x7;
if (G_UNLIKELY (version > 3)) {
GST_ERROR_OBJECT (self, "Unknown VP8 version %u", version);
goto error;
}
/* keyframe, version and show_frame use 5 bits */
header_size = data[2] << 11 | data[1] << 3 | (data[0] >> 5);