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tspacketizer: ensure that a null pointer isn't accessed

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Mitigates segfault due race condition in FLUSH_START handling and
mpegts_base_chain.
This commit is contained in:
Josep Torra 2012-11-09 22:17:11 +01:00
parent 651203de07
commit 6efd611b8c
1 changed files with 1 additions and 0 deletions
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gst/mpegtsdemux/mpegtspacketizer.c
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@ -2624,6 +2624,7 @@ mpegts_packetizer_next_packet (MpegTSPacketizer2 * packetizer,
priv->mapped = priv->mapped =
(guint8 *) gst_adapter_map (packetizer->adapter, priv->mapped_size); (guint8 *) gst_adapter_map (packetizer->adapter, priv->mapped_size);
priv->offset = 0; priv->offset = 0;
g_return_val_if_fail (priv->mapped, PACKET_NEED_MORE);
} }
packet->data_start = priv->mapped + priv->offset; packet->data_start = priv->mapped + priv->offset;