ffprobe: print codec_long_name only when available

Avoid possible segmentation fault if codec_long_name is defined as NULL (for example if --enable-small).
12 years ago · 0f40105aaa
parent fb96ac469a
commit 0f40105aaa
1 changed files with 2 additions and 1 deletions
--- a/ffprobe.c
+++ b/ffprobe.c
@ -1656,7 +1656,8 @@ static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_i
        const char *profile = NULL;
        if ((dec = dec_ctx->codec)) {
            print_str("codec_name",      dec->name);
-            print_str("codec_long_name", dec->long_name);
+            if (dec->long_name) print_str    ("codec_long_name", dec->long_name);
+            else                print_str_opt("codec_long_name", "unknown");
        } else {
            print_str_opt("codec_name",      "unknown");
            print_str_opt("codec_long_name", "unknown");