}
}
+void print_help(const char* name)
+{
+ printf("usage: %s file|dir [w=%i] [h=%i]\n"
+ "generate a test video stream\n",
+ name, DEFAULT_WIDTH, DEFAULT_HEIGHT);
+ exit(1);
+}
+
int main(int argc, char **argv)
{
int w, h, i;
char buf[1024];
int isdir = 0;
- if (argc != 2) {
- printf("usage: %s file|dir\n"
- "generate a test video stream\n", argv[0]);
- exit(1);
+ if (argc < 2 || argc > 4) {
+ print_help(argv[0]);
}
if (!freopen(argv[1], "wb", stdout))
isdir = 1;
w = DEFAULT_WIDTH;
+ if(argc > 2) {
+ w = atoi(argv[2]);
+ if (w < 1) print_help(argv[0]);
+ }
h = DEFAULT_HEIGHT;
+ if(argc > 3) {
+ h = atoi(argv[3]);
+ if (h < 1) print_help(argv[0]);
+ }
rgb_tab = malloc(w * h * 3);
wrap = w * 3;