SRS 6.0-b0 源码 + danmaku 后端（排除 objs/3rdparty/测试媒体）

trunk/research/ffempty/Makefile

@@ -0,0 +1,2 @@
+ffempty: ffempty.cc Makefile
+	g++ -o ffempty ffempty.cc -g -O0 -ansi

trunk/research/ffempty/ffempty.cc

@@ -0,0 +1,26 @@
+//
+// Copyright (c) 2013-2025 Winlin
+//
+// SPDX-License-Identifier: MIT
+//
+/**
+g++ -o ffempty ffempty.cc -g -O0 -ansi
+*/
+
+#include <stdio.h>
+
+int main(int argc, char** argv)
+{
+    for (int i = 0; i < argc; i++) {
+        fprintf(stderr, "argv[%d]=%s\n", i, argv[i]);
+    }
+   
+    fprintf(stderr, "summary:\n"); 
+    for (int i = 0; i < argc; i++) {
+        fprintf(stderr, "%s ", argv[i]);
+    }
+    fprintf(stderr, "\n");
+
+    return 0;
+}
+