Hint why SDL_Init() may have failed.

3743ea1f · Carl Eugen Hoyos · fb464fca · 3743ea1f
Commit 3743ea1f authored Jul 10, 2011 by Carl Eugen Hoyos
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ffplay.c ffplay.c +1 -0

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--- a/ffplay.c
+++ b/ffplay.c
@@ -3027,6 +3027,7 @@ int main(int argc, char **argv)
 #endif
    if (SDL_Init (flags)) {
        fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
+        fprintf(stderr, "(Did you set the DISPLAY variable?)\n");
        exit(1);
    }