From 6e63c23463b9289bc56d77f7c7335917f8bf6a6a Mon Sep 17 00:00:00 2001
From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Date: Thu, 1 Nov 2018 00:45:17 +0100
Subject: [PATCH] Support changing the HTTP port.

---
 flags.cpp     | 8 +++++++-
 flags.h       | 3 +++
 frames/.empty | 0
 main.cpp      | 2 +-
 4 files changed, 11 insertions(+), 2 deletions(-)
 delete mode 100644 frames/.empty

diff --git a/flags.cpp b/flags.cpp
index 1a4c08e..4c75370 100644
--- a/flags.cpp
+++ b/flags.cpp
@@ -14,7 +14,8 @@ Flags global_flags;
 // Long options that have no corresponding short option.
 enum LongOption {
 	OPTION_HELP = 1000,
-	OPTION_SLOW_DOWN_INPUT = 1001
+	OPTION_SLOW_DOWN_INPUT = 1001,
+	OPTION_HTTP_PORT = 1002
 };
 
 void usage()
@@ -29,6 +30,7 @@ void usage()
 	fprintf(stderr, "                                  3 = good (realtime 720p on GTX 970 or so)\n");
 	fprintf(stderr, "                                  4 = best (not realtime on any current GPU)\n");
 	fprintf(stderr, "  -d, --working-directory DIR     where to store frames and database\n");
+	fprintf(stderr, "      --http-port PORT            which port to listen on for output\n");
 }
 
 void parse_flags(int argc, char * const argv[])
@@ -38,6 +40,7 @@ void parse_flags(int argc, char * const argv[])
 		{ "slow-down-input", no_argument, 0, OPTION_SLOW_DOWN_INPUT },
 		{ "interpolation-quality", required_argument, 0, 'q' },
 		{ "working-directory", required_argument, 0, 'd' },
+		{ "http-port", required_argument, 0, OPTION_HTTP_PORT },
 		{ 0, 0, 0, 0 }
 	};
 	for ( ;; ) {
@@ -57,6 +60,9 @@ void parse_flags(int argc, char * const argv[])
 		case 'd':
 			global_flags.working_directory = optarg;
 			break;
+		case OPTION_HTTP_PORT:
+			global_flags.http_port = atoi(optarg);
+			break;
 		case OPTION_HELP:
 			usage();
 			exit(0);
diff --git a/flags.h b/flags.h
index 8b2563c..5e9d34b 100644
--- a/flags.h
+++ b/flags.h
@@ -3,11 +3,14 @@
 
 #include <string>
 
+#include "defs.h"
+
 struct Flags {
 	std::string stream_source;
 	std::string working_directory = ".";
 	bool slow_down_input = false;
 	int interpolation_quality = 2;
+	uint16_t http_port = DEFAULT_HTTPD_PORT;
 };
 extern Flags global_flags;
 
diff --git a/frames/.empty b/frames/.empty
deleted file mode 100644
index e69de29..0000000
diff --git a/main.cpp b/main.cpp
index 229bbf1..1d29735 100644
--- a/main.cpp
+++ b/main.cpp
@@ -128,7 +128,7 @@ int main(int argc, char **argv)
 	main_window.show();
 
 	global_httpd->add_endpoint("/queue_status", bind(&MainWindow::get_queue_status, &main_window), HTTPD::NO_CORS_POLICY);
-	global_httpd->start(DEFAULT_HTTPD_PORT);
+	global_httpd->start(global_flags.http_port);
 
 	init_jpeg_vaapi();
 
-- 
2.39.2