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

Fixes a segfault in exit_program() if opening an output file fails.
This commit is contained in:
Anton Khirnov 2013-05-29 15:38:21 +02:00
parent 8b7dffc2d6
commit 274e134e49
1 changed files with 1 additions and 1 deletions

View File

@ -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);