First working implementation of Streamer, with TCP and SharedMemory.

2025-12-11 18:34:58 +01:00 · 2020-10-18 13:13:07 +02:00
parent 59c07ceb96
commit d7893be541
13 changed files with 406 additions and 61 deletions
--- a/NetworkToolkit.cpp
+++ b/NetworkToolkit.cpp
@@ -0,0 +1,131 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <linux/netdevice.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <unistd.h>
+
+#include "NetworkToolkit.h"
+
+
+const char* NetworkToolkit::protocol_name[NetworkToolkit::DEFAULT] = {
+    "TCP Broadcast JPEG",
+    "TCP Broadcast H264",
+    "Shared Memory"
+};
+
+const std::vector<std::string> NetworkToolkit::protocol_broadcast_pipeline {
+
+    "video/x-raw, format=I420 ! jpegenc ! rtpjpegpay ! rtpstreampay ! tcpserversink name=sink",
+    "video/x-raw, format=I420 ! x264enc pass=4 quantizer=26 speed-preset=3 threads=4 ! rtph264pay ! rtpstreampay ! tcpserversink name=sink",
+    "video/x-raw, format=I420 ! jpegenc ! shmsink name=sink"
+};
+
+
+const std::vector<std::string> NetworkToolkit::protocol_receive_pipeline {
+
+    "application/x-rtp-stream,media=video,encoding-name=JPEG,payload=26 ! rtpstreamdepay ! rtpjitterbuffer ! rtpjpegdepay ! jpegdec",
+    "application/x-rtp-stream,media=video,encoding-name=H264,payload=96,clock-rate=90000 ! rtpstreamdepay ! rtpjitterbuffer ! rtph264depay ! avdec_h264",
+    "jpegdec"
+};
+
+
+/***
+ *
+ *      TCP Server JPEG : broadcast
+ * SND:
+ * gst-launch-1.0 videotestsrc is-live=true ! jpegenc ! rtpjpegpay ! rtpstreampay ! tcpserversink port=5400
+ * RCV:
+ * gst-launch-1.0 tcpclientsrc port=5400 ! application/x-rtp-stream,encoding-name=JPEG ! rtpstreamdepay! rtpjpegdepay ! jpegdec ! autovideosink
+ *
+ *      TCP Server H264 : broadcast
+ * SND:
+ * gst-launch-1.0 videotestsrc is-live=true ! x264enc ! rtph264pay ! rtpstreampay ! tcpserversink port=5400
+ * RCV:
+ * gst-launch-1.0 tcpclientsrc port=5400 ! application/x-rtp-stream,media=video,encoding-name=H264,payload=96,clock-rate=90000 ! rtpstreamdepay ! rtpjitterbuffer ! rtph264depay ! avdec_h264 ! autovideosink
+ *
+ *      UDP unicast
+ * SND
+ * gst-launch-1.0 videotestsrc is-live=true ! jpegenc ! rtpjpegpay ! udpsink port=5000 host=127.0.0.1 sync=false
+ * RCV
+ * gst-launch-1.0 udpsrc port=5000 ! application/x-rtp,encoding-name=JPEG,payload=26 ! rtpjpegdepay ! jpegdec ! autovideosink
+ *
+ * *      UDP multicast : hass to know the PORT and IP of all clients
+ * SND
+ * gst-launch-1.0 videotestsrc is-live=true ! jpegenc ! rtpjpegpay ! multiudpsink clients="127.0.0.1:5000,127.0.0.1:5001"
+ * RCV
+ * gst-launch-1.0 -v udpsrc address=127.0.0.1 port=5000 ! application/x-rtp,encoding-name=JPEG,payload=26 ! rtpjpegdepay ! jpegdec ! autovideosink
+ * gst-launch-1.0 -v udpsrc address=127.0.0.1 port=5001 ! application/x-rtp,encoding-name=JPEG,payload=26 ! rtpjpegdepay ! jpegdec ! autovideosink
+ *
+ *        RAW UDP (caps has to match exactly, and depends on resolution)
+ * SND
+ * gst-launch-1.0 -v videotestsrc is-live=true ! video/x-raw,format=RGBA,width=1920,height=1080 ! rtpvrawpay ! udpsink port=5000 host=127.0.0.1
+ * RCV
+ * gst-launch-1.0 udpsrc port=5000 caps = "application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)RAW, sampling=(string)RGBA, depth=(string)8, width=(string)1920, height=(string)1080, colorimetry=(string)SMPTE240M, payload=(int)96, ssrc=(uint)2272750581, timestamp-offset=(uint)1699493959, seqnum-offset=(uint)14107, a-framerate=(string)30" ! rtpvrawdepay ! videoconvert ! autovideosink
+ *
+ * */
+
+
+
+std::vector<std::string> NetworkToolkit::host_ips()
+{
+    std::vector<std::string> ipstrings;
+
+    int s = socket(AF_INET, SOCK_STREAM, 0);
+    if (s > -1) {
+        struct ifconf ifconf;
+        struct ifreq ifr[50];
+        int ifs;
+        int i;
+
+        ifconf.ifc_buf = (char *) ifr;
+        ifconf.ifc_len = sizeof ifr;
+
+        if (ioctl(s, SIOCGIFCONF, &ifconf) > -1) {
+            ifs = ifconf.ifc_len / sizeof(ifr[0]);
+            for (i = 0; i < ifs; i++) {
+                char ip[INET_ADDRSTRLEN];
+                struct sockaddr_in *s_in = (struct sockaddr_in *) &ifr[i].ifr_addr;
+
+                if (inet_ntop(AF_INET, &s_in->sin_addr, ip, sizeof(ip))) {
+                    if ( std::string(ip).compare("127.0.0.1") == 0 )
+                        ipstrings.push_back( "localhost" );
+                    else
+                        ipstrings.push_back( std::string(ip) );
+                }
+            }
+            close(s);
+        }
+    }
+
+// localhost127.0.0.1, 192.168.0.30, 10.164.239.1,
+
+
+
+//    char hostbuffer[256];
+//    // retrieve hostname
+//    if ( gethostname(hostbuffer, sizeof(hostbuffer)) != -1 )
+//    {
+//        // retrieve host information
+//        struct hostent *host_entry;
+//        host_entry = gethostbyname(hostbuffer);
+//        if ( host_entry != NULL ) {
+//            // convert an Internet network
+//            // address into ASCII string
+//            char *IPbuffer = inet_ntoa(*((struct in_addr*) host_entry->h_addr_list[0]));
+//            ipstring = IPbuffer;
+//        }
+//    }
+
+    return ipstrings;
+}