<div dir="ltr"><div dir="ltr">Hi Nicolas,<div><br></div><div>I am examining the implications of this change. The main reason to have the single pipeline was to save the extra processor utilization from H264 encoding twice.</div><div><br></div><div>However, when I checked online some other people who tried this said that if they did the H264 encoding on the main pipeline before appsink to RTSP, they were getting synch issues and their memory consumption was increasing substantially.</div><div><br></div><div>Do you think it will be better to have a second independent pipeline or try to integrate with appsink to the RTSP server in terms of overall performance.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 8, 2021 at 3:11 PM Nicolas Dufresne <<a href="mailto:nicolas@ndufresne.ca">nicolas@ndufresne.ca</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div>Le mercredi 08 septembre 2021 à 15:03 -0400, Dwight Kulkarni a écrit :</div><blockquote type="cite" style="margin:0px 0px 0px 0.8ex;border-left:2px solid rgb(114,159,207);padding-left:1ex"><div dir="ltr"><div dir="ltr">Hi Nicolas and everyone,<div><br></div><div>I was able to get the issue resolved with the method that Nicolas mentioned, namely to get media-configure callback and then access the element by name and then get the "format-location" callback on the splitmuxsink and pass it the formatted name in a function.</div><div><br></div><div>This is working great !! Thank you Nicolas.</div><div><br></div><div>However, now I am having a problem that I start the RTSP server, and the pipeline only seems to save when I login with VLC client to view the stream. As soon as I log off, the file stops saving.</div><div><br></div><div>Is there a way to have the RTSP pipeline run even when no client is connected ? Or can I simulate a fake client in someway ?</div></div></div></blockquote><div><br></div><div>This is how RTSP server handles it's internal pipeline. To get full control of the recording, I would suggest using an external pipeline, and have a branch that ends with appsink, that will then feed an appsink in the rtspserver pipeline.</div><div><br></div><blockquote type="cite" style="margin:0px 0px 0px 0.8ex;border-left:2px solid rgb(114,159,207);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 8, 2021 at 1:36 PM Dwight Kulkarni <<a href="mailto:dwight@realtime-7.com" target="_blank">dwight@realtime-7.com</a>> wrote:<br></div><blockquote type="cite" style="margin:0px 0px 0px 0.8ex;border-left:2px solid rgb(114,159,207);padding-left:1ex"><div dir="ltr"><div dir="ltr">Hi Nicolas,<div><br></div><div>Thank you for this info ! </div><div><br></div><div>In the example shown we get callback to media_configure, and access the pipeline element. Do I have to then create another call back for the file sink as shown below? </div><div><br></div><div><pre lang="c"><span id="gmail-m_-4872434840159052861gmail-m_-3006484752515546344gmail-LC58" lang="c"><span>static</span> <span>void</span></span>
<span id="gmail-m_-4872434840159052861gmail-m_-3006484752515546344gmail-LC59" lang="c"><span>media_configure</span> <span>(</span><span>GstRTSPMediaFactory</span> <span>*</span> <span>factory</span><span>,</span> <span>GstRTSPMedia</span> <span>*</span> <span>media</span><span>,</span></span>
<span id="gmail-m_-4872434840159052861gmail-m_-3006484752515546344gmail-LC60" lang="c"> <span>gpointer</span> <span>user_data</span><span>)</span></span>
<span id="gmail-m_-4872434840159052861gmail-m_-3006484752515546344gmail-LC61" lang="c"><span>{</span></span>
<span id="gmail-m_-4872434840159052861gmail-m_-3006484752515546344gmail-LC62" lang="c"> <span>GstElement</span> <span>*</span><span>element </span></span><span id="gmail-m_-4872434840159052861gmail-m_-3006484752515546344gmail-LC66" lang="c"><span>=</span> <span>gst_rtsp_media_get_element</span> <span>(</span><span>media</span><span>);</span></span>
</pre><pre lang="c"><span style="font-family:Arial,Helvetica,sans-serif;white-space:normal">GstElement * filesink = gst_bin_get_by_name_recurse_up (GST_BIN (element), "filesink");</span></pre><pre lang="c"><span lang="c"><span><span style="font-family:Arial,Helvetica,sans-serif;white-space:normal"># add a callback signal</span><br style="font-family:Arial,Helvetica,sans-serif;white-space:normal"><span style="font-family:Arial,Helvetica,sans-serif;white-space:normal">g_signal_connect (G_OBJECT (filesink), "format-location", </span><span style="font-family:Arial,Helvetica,sans-serif;white-space:normal">G_CALLBACK (format_location_callback), NULL);</span>
</span></span></pre></div><div><br></div><div>PIPELINE = </div><div>(v4l2src device=/dev/video1 ! video/x-raw,width=1920, height=1080! <br>queue ! vpuenc_h264 ! queue ! h264parse ! splitmuxsink name=filesink location=video%02d.mkv max-size-time=10000000000 <br>muxer-factory=matroskamux muxer-properties="properties,streamable=true)<br><br><br><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 8, 2021 at 12:16 PM Nicolas Dufresne <<a href="mailto:nicolas@ndufresne.ca" target="_blank">nicolas@ndufresne.ca</a>> wrote:<br></div><blockquote type="cite" style="margin:0px 0px 0px 0.8ex;border-left:2px solid rgb(114,159,207);padding-left:1ex"><div><div>Le mercredi 08 septembre 2021 à 10:35 -0400, Dwight Kulkarni via gstreamer-devel a écrit :</div><blockquote type="cite" style="margin:0px 0px 0px 0.8ex;border-left:2px solid rgb(114,159,207);padding-left:1ex"><div dir="ltr">Hi all,<div><br></div><div>I am trying to get my pipeline to add a datetime stamp to the location, as opposed to the numeric value. </div><div><br></div><div>Previously I was using: splitmuxsink location=video%02d.mkv</div><div><br></div><div>This is creating multiple files with video00.mkv etc. names.</div><div><br></div><div>Now I tried using: splitmuxsink location=video$(date +%s).mkv</div><div><br></div><div>This is creating only a single file with timestamp and appears to overwrite the previous files. </div><div><br></div><div>1) I see some examples where a callback is used. Should I use a callback or is there another way ?</div><div><br></div><div>2) If I use callback, I have GstMediaFactory object where I assign the pipeline with: <span style="background-color:transparent;font-family:inherit;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;font-weight:inherit;white-space:inherit;font-size:13px">gst_rtsp_media_factory_set_launch</span></div></div></blockquote><div><br></div><div>You have to connect to the "media-configure" signal of your factory:</div><div><br></div><div><a href="https://gitlab.freedesktop.org/gstreamer/gst-rtsp-server/-/blob/master/examples/test-appsrc.c#L123" target="_blank">https://gitlab.freedesktop.org/gstreamer/gst-rtsp-server/-/blob/master/examples/test-appsrc.c#L123</a></div><div><br></div><div>And then use gst_rtps_media_get_element() to retreive the pipeline:</div><div><br></div><div><a href="https://gitlab.freedesktop.org/gstreamer/gst-rtsp-server/-/blob/master/examples/test-appsrc.c#L66" target="_blank">https://gitlab.freedesktop.org/gstreamer/gst-rtsp-server/-/blob/master/examples/test-appsrc.c#L66</a></div><div><br></div><div>regards,</div><div>Nicolas</div><div><br></div><blockquote type="cite" style="margin:0px 0px 0px 0.8ex;border-left:2px solid rgb(114,159,207);padding-left:1ex"><div dir="ltr"><div><br></div><div>I can't seem to find how to access the pipeline element in GstMediaFactory object.</div><div><br></div><div>I want to do something like this code:</div><div><br></div><div><pre style="margin-top:0px;padding:12px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:1.30769;font-size:13px;vertical-align:baseline;box-sizing:inherit;width:auto;max-height:600px;overflow:auto;border-radius:5px"><code style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit;background-color:transparent;white-space:inherit"><span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">static</span> gchararray
format_location_callback (GstElement * splitmux,
guint fragment_id,
gpointer udata)
{
<span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">static</span> <span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">int</span> i =<span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">0</span>;
gchararray myarray = g_strdup_printf(<span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">"myvid%d.mp4"</span>, i);
i += <span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">1</span>;
<span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">return</span> myarray;
}</code></pre></div><div><span style="background-color:initial;color:rgb(0,0,0);font-family:Consolas,Monaco,"andale mono","ubuntu mono",monospace;font-size:14px"><br></span></div><div><pre style="margin-top:0px;padding:12px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:1.30769;font-size:13px;vertical-align:baseline;box-sizing:inherit;width:auto;max-height:600px;overflow:auto;border-radius:5px"><code style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit;background-color:transparent;white-space:inherit">g_signal_connect (G_OBJECT (bin->sink), <span style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">"format-location"</span>,
G_CALLBACK (format_location_callback), bin);</code></pre></div><div><br></div><div>Any help is appreciated. Thanks !<br><div><br></div></div></div></blockquote><div><br></div><div><span></span></div></div></blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><span style="font-size:12.8px">Sincerely,</span><div><br></div><div>Dwight Kulkarni</div></div></div></div></div></div></div></div></blockquote></div><br clear="all"><div><br></div></div></blockquote><div><br></div><div><span></span></div></div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><span style="font-size:12.8px">Sincerely,</span><div><br></div><div>Dwight Kulkarni </div><div><br></div></div></div></div></div></div></div></div>