examples/muxing: add check on avformat_write_header() result

34b5b735 · Stefano Sabatini · b3e2975a · 34b5b735
Commit 34b5b735 authored Sep 11, 2012 by Stefano Sabatini
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muxing.c doc/examples/muxing.c +4 -1

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--- a/doc/examples/muxing.c
+++ b/doc/examples/muxing.c
@@ -469,7 +469,10 @@ int main(int argc, char **argv)
    }

    /* Write the stream header, if any. */
-    avformat_write_header(oc, NULL);
+    if (avformat_write_header(oc, NULL) < 0) {
+        fprintf(stderr, "Error occurred when opening output file\n");
+        return 1;
+    }

    frame->pts = 0;
    for (;;) {