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

trunk/research/frame/frame0.cpp

@@ -0,0 +1,23 @@
+/*
+# https://www.jianshu.com/p/eaa2700ebedc
+g++ frame0.cpp -g -O0 -o frame && ./frame
+*/
+#include <stdio.h>
+#include <stdlib.h>
+
+int callee(int a, long b) {
+    int c = a;
+    c += (int)b;
+    return c;
+}
+void caller() {
+    int v = callee(10, 20);
+    printf("v=%d\n", v);
+}
+
+int main(int argc, char** argv)
+{
+    caller();
+    return 0;
+}
+