Commit 274e134e authored by Anton Khirnov's avatar Anton Khirnov

avconv: check that the output format context exists before accessing it

Fixes a segfault in exit_program() if opening an output file fails.
parent 8b7dffc2
......@@ -167,7 +167,7 @@ static void exit_program(void)
/* close files */
for (i = 0; i < nb_output_files; i++) {
AVFormatContext *s = output_files[i]->ctx;
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
avio_close(s->pb);
avformat_free_context(s);
av_dict_free(&output_files[i]->opts);
......
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