Differences

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--- solutions:video_stream_using_rpi_as_proxy [2021/08/04 10:05] – atolstov
+++ solutions:video_stream_using_rpi_as_proxy [2022/01/15 01:30] (current) – ↷ Links adapted because of a move operation 127.0.0.1
@@ Line 1: / Line 1: @@
-==== Intro ====
+{{ network:video_proxy_my_icon.jpg?nolink&150|}}
+====== Video stream proxy ======
+===== Intro =====
 Nowadays, IP camera's manufacturers do not provide unauthorized access to video stream due to security reasons. To use videostream in WebHMI it should be without login/password to access. Also, using a server in between PC and IP Camera will allow access from many users, what is a true broadcast, unlike direct IP camera connection, which is usually limited to 10 users.
@@ Line 8: / Line 11: @@
-==== Devices prerequisites ====
+===== Devices prerequisites =====
-=== IP Webcam testing app ===
+==== IP Webcam testing app ====
 If there is no IP camera at moment, you can use [[https://play.google.com/store/apps/details?id=com.pas.webcam|IP Webcam]] to test WebHMI videostream (as it is not ecrypted be default) or VLC transcoding if you want to substitute phone with IP camera later after testing.
-Any IP camera, that can show stream using rstp:// or http:// protocol.
+Any IP camera, that can show stream using rtsp:// or http:// protocol.
 You can see the links at IP Webcam app screen. When the IP Webcam server started, it has default cgi access via link <code> http://phone-ip:8080/video</code>
-=== IP camera CGI setting ===
+==== IP camera CGI setting ====
 By default, cgi should be enabled manually in settings.\\
 ''Hikvision: Configuration, Network, Advanced Settings, Enable Hikvision-CGI. Then create a cgi user.''\\
@@ Line 65: / Line 68: @@
 </code>
-For example let's use login and password with IP camera' IP, using RSTP protocol (through 554 port) and transcode the full resolution stream to 192.168.1.3:8888 which is Raspberry Pi server and custom port 8888.
+For example let's use login and password with IP camera' IP, using RTSP protocol (through 554 port) and transcode the full resolution stream to 192.168.1.3:8888 which is Raspberry Pi server and custom port 8888.
 <code bash test_transcode_stream>
@@ Line 91: / Line 94: @@
 There are some variants to try to optimize performance
-  * Crop the output resolution
+  * Decrease IP camera stream resolution
+  * Lower transcode output resolution
 === Lower picture resolution ===
 <code bash>
-#full crop
+#full resolution
 cvlc -Idummy http://login:password@ip-address:80/link_to_stream --sout "#transcode{vcodec=MJPG}:standard{access=http{mime=multipart/x-mixed-replace;boundary=--7b3cc56e5f51db803f790dad720ed50a},mux=mpjpeg,dst=:8888/}"
 cvlc -Idummy rtsp://http://login:password@ip-address:554/link_to_stream --sout "#transcode{vcodec=MJPG}:standard{access=http{mime=multipart/x-mixed-replace;boundary=--7b3cc56e5f51db803f790dad720ed50a},mux=mpjpeg,dst=:8888/}"
-#width crop
+#transcode to lower resolution
 cvlc -Idummy http://login:password@ip-address:80/link_to_stream --sout "#transcode{vcodec=MJPG,vfilter=canvas{width=640,height=480}}:standard{access=http{mime=multipart/x-mixed-replace;boundary=--7b3cc56e5f51db803f790dad720ed50a},mux=mpjpeg,dst=:8888/}"
 cvlc -Idummy rtsp://http://login:password@ip-address:554/link_to_stream --sout "#transcode{vcodec=MJPG,vfilter=canvas{width=640,height=480}}:standard{access=http{mime=multipart/x-mixed-replace;boundary=--7b3cc56e5f51db803f790dad720ed50a},mux=mpjpeg,dst=:8888/}"