1 files changed, 85 insertions, 0 deletions
diff --git a/app/main.cpp b/app/main.cpp
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+++ b/app/main.cpp
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+/*
+ * Copyright (C) 2018 Konsulko Group
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <string>
+#include <iostream>
+#include <cstring>
+#include <gst/gst.h>
+#include "surface.hpp"
+
+int main(int argc, char *argv[])
+{
+	int port = 0;
+	std::string token;
+	std::string role = "receiver";
+
+	try {
+		port = std::stol(argv[1]);
+		token = argv[2];
+	} catch (const std::invalid_argument& e) {
+		std::cerr << "Invalid argument" << std::endl;
+		exit(1);
+	} catch (const std::out_of_range& e) {
+		std::cerr << "Port out of range" << std::endl;
+		exit(1);
+	}
+
+	// NOTES:
+	// (1) For reference, the pipeline used is based on the gst-launch-1.0 command in the ad hoc unit
+        //     file in the previous hand-rolled CES demo:
+	//
+	//     udpsrc port=5005 ! application/x-rtp,media=video,encoding-name=H264 ! queue ! rtph264depay ! h264parse config-interval=1 disable-passthrough=true ! decodebin ! vaapisink
+	//
+	// (2) waylandsink is a bit broken, as it needs a RGB format, but its caps include non-RGB formats
+	//     This results in crashes when videoconvert doesn't end up in the pipeline, so care must be taken
+	//     if it is used, e.g. for testing:
+	//
+	//     videotestsrc pattern=smpte ! video/x-raw,format=BGRx,width=384,height=368 ! waylandsink
+	//
+	std::string pipeline_str = \
+		"udpsrc port=5005 ! application/x-rtp,media=video,encoding-name=H264 ! queue ! rtph264depay ! h264parse config-interval=1 disable-passthrough=true ! decodebin ! vaapisink";
+
+        // Initialize GStreamer
+        gst_init(NULL, NULL);
+
+	// Create our IVI surface handler
+	SurfaceHandler handler(port, token, role);
+
+	GstElement *pipeline = gst_parse_launch(pipeline_str.c_str(), NULL);
+	if(!pipeline) {
+		std::cerr << "gstreamer pipeline construction failed!" << std::endl;
+		exit(1);
+	}
+
+	// Start pipeline
+	gst_element_set_state(pipeline, GST_STATE_PLAYING);
+	std::cout << "gstreamer pipeline running" << std::endl;
+
+	// Wait until error or EOS
+	GstBus *bus = gst_element_get_bus(pipeline);
+	GstMessage *msg = gst_bus_timed_pop_filtered(bus,
+						     GST_CLOCK_TIME_NONE,
+						     (GstMessageType) (GST_MESSAGE_ERROR | GST_MESSAGE_EOS));
+
+	// Free resources
+	if(msg != NULL)
+		gst_message_unref(msg);
+	gst_object_unref(bus);
+	gst_element_set_state(pipeline, GST_STATE_NULL);
+	gst_object_unref(pipeline);
+
+	return 0;
+}