Task #112283 - fixed.err

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Error: GCC_ANALYZER_WARNING (CWE-476):
gstreamer-1.28.1/libs/gst/base/gstbaseparse.c:3189:10: warning[-Wanalyzer-null-dereference]: dereference of NULL ‘buffer’
gstreamer-1.28.1/libs/gst/base/gstbaseparse.c:3646:1: enter_function: entry to ‘gst_base_parse_loop’
gstreamer-1.28.1/libs/gst/base/gstbaseparse.c:3677:6: branch_true: following ‘true’ branch...
gstreamer-1.28.1/libs/gst/base/gstbaseparse.c:3680:9: branch_true: ...to here
gstreamer-1.28.1/libs/gst/base/gstbaseparse.c:3680:8: branch_true: following ‘true’ branch...
gstreamer-1.28.1/libs/gst/base/gstbaseparse.c:3681:13: branch_true: ...to here
gstreamer-1.28.1/libs/gst/base/gstbaseparse.c:3681:13: call_function: calling ‘gst_base_parse_handle_previous_fragment’ from ‘gst_base_parse_loop’
# 3187|     if (G_UNLIKELY (parse->priv->first_buffer)) {
# 3188|       parse->priv->first_buffer = FALSE;
# 3189|->     if (!GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_HEADER)) {
# 3190|         /* this stream has no header buffers, check if we just prepend the
# 3191|          * streamheader from caps to the stream */