log messages from sources I don't recognize

[Chuck Crisler]

I am still trying to debug this rtspsrc issue but am having trouble getting
comparable information comparing my C++ app behavior to gst-launch (which
works). Specifically I am seeing the following messages in the gst-launch
log files that, if I knew where they were originating, might be helpful.
Does anyone know where they are coming from and/or how I can find their
origin? The log message content is somewhat interesting but I am much more
interested in what code is running that is generating these messages. My
difficulty is that they don't follow the normal formatting so I don't know
where to look for them.

Here is my GST_DEBUG setting:
export
GST_DEBUG=rtspsrc:4,mpegtsmux:4,rtph264depay:4,rtpmp4gdepay:4,GST_ELEMENT_PADS:4,GST_PIPELINE:4

Here are some example log messages in their entirety.

/GstPipeline:pipeline0/GstRtpH264Depay:rtph264depay0.GstPad:src: caps =
video/x-h264
/GstPipeline:pipeline0/GstRtpH264Depay:rtph264depay0.GstPad:sink: caps =
application/x-rtp, media=(string)video, payload=(int)97,
clock-rate=(int)90000, encoding-name=(string)H264,
profile-level-id=(string)420015, packetization-mode=(string)1,
sprop-parameter-sets=(string)\"Z0IAFbtA8F/y4CA8IBCo\\,aM4GDMg\\=\",
x-broadcastcontrol=(string)RTSP, x-copyright=(string)\"\\ MP4/3GP\\ File\\
hinted\\ with\\ GPAC\\ 0.4.5\\ \\(build\\ 33\\ -\\ Dec\\ 11\\ 2008\\)\\ -\\
compiled\\ by\\ Kurtnoise\\ \\(C\\)2000-2005\\ -\\
http://gpac.sourceforge.net\", a-3GPP-Adaptation-Support=(string)1,
a-framesize=(string)\"97\\ 480-360\", npt-start=(guint64)0,
play-speed=(double)1, play-scale=(double)1

/GstPipeline:pipeline0/GstQueue:queue1.GstPad:sink: caps =
application/x-rtp, media=(string)audio, payload=(int)96,
clock-rate=(int)44100, encoding-name=(string)MPEG4-GENERIC,
encoding-params=(string)2, profile-level-id=(string)41,
config=(string)1210, streamtype=(string)5, mode=(string)AAC-hbr,
objecttype=(string)64, sizelength=(string)13, indexlength=(string)3,
indexdeltalength=(string)3, x-broadcastcontrol=(string)RTSP,
x-copyright=(string)\"\\ MP4/3GP\\ File\\ hinted\\ with\\ GPAC\\ 0.4.5\\
\\(build\\ 33\\ -\\ Dec\\ 11\\ 2008\\)\\ -\\ compiled\\ by\\ Kurtnoise\\
\\(C\\)2000-2005\\ -\\ http://gpac.sourceforge.net\",
a-3GPP-Adaptation-Support=(string)1, npt-start=(guint64)0,
play-speed=(double)1, play-scale=(double)1
/GstPipeline:pipeline0/GstRTSPSrc:src.GstGhostPad:recv_rtp_src_0_2843610156_96:
caps = application/x-rtp, media=(string)audio, payload=(int)96,
clock-rate=(int)44100, encoding-name=(string)MPEG4-GENERIC,
encoding-params=(string)2, profile-level-id=(string)41,
config=(string)1210, streamtype=(string)5, mode=(string)AAC-hbr,
objecttype=(string)64, sizelength=(string)13, indexlength=(string)3,
indexdeltalength=(string)3, x-broadcastcontrol=(string)RTSP,
x-copyright=(string)\"\\ MP4/3GP\\ File\\ hinted\\ with\\ GPAC\\ 0.4.5\\
\\(build\\ 33\\ -\\ Dec\\ 11\\ 2008\\)\\ -\\ compiled\\ by\\ Kurtnoise\\
\\(C\\)2000-2005\\ -\\ http://gpac.sourceforge.net\",
a-3GPP-Adaptation-Support=(string)1, npt-start=(guint64)0,
play-speed=(double)1, play-scale=(double)1
/GstPipeline:pipeline0/GstRTSPSrc:src.GstGhostPad:recv_rtp_src_0_2843610156_96.GstProxyPad:proxypad9:
caps = application/x-rtp, media=(string)audio, payload=(int)96,
clock-rate=(int)44100, encoding-name=(string)MPEG4-GENERIC,
encoding-params=(string)2, profile-level-id=(string)41,
config=(string)1210, streamtype=(string)5, mode=(string)AAC-hbr,
objecttype=(string)64, sizelength=(string)13, indexlength=(string)3,
indexdeltalength=(string)3, x-broadcastcontrol=(string)RTSP,
x-copyright=(string)\"\\ MP4/3GP\\ File\\ hinted\\ with\\ GPAC\\ 0.4.5\\
\\(build\\ 33\\ -\\ Dec\\ 11\\ 2008\\)\\ -\\ compiled\\ by\\ Kurtnoise\\
\\(C\\)2000-2005\\ -\\ http://gpac.sourceforge.net\",
a-3GPP-Adaptation-Support=(string)1, npt-start=(guint64)0,
play-speed=(double)1, play-scale=(double)1
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