cmdutils: get rid of dummy contexts for examining AVOptions.

Replace it with newly introduced libavutil API.

1 files changed, 2 insertions, 5 deletions

diff --git a/avprobe.c b/avprobe.c
index d502421416..f0ba6bae09 100644
--- a/avprobe.c
+++ b/avprobe.c
@@ -355,11 +355,12 @@ static void opt_input_file(const char *arg)
 
 static void show_help(void)
 {
+    const AVClass *class = avformat_get_class();
     av_log_set_callback(log_callback_help);
     show_usage();
     show_help_options(options, "Main options:\n", 0, 0);
     printf("\n");
-    av_opt_show2(avformat_opts, NULL,
+    av_opt_show2(&class, NULL,
                  AV_OPT_FLAG_DECODING_PARAM, 0);
 }
 
@@ -399,8 +400,6 @@ int main(int argc, char **argv)
     avdevice_register_all();
 #endif
 
-    avformat_opts = avformat_alloc_context();
-
     show_banner();
     parse_options(argc, argv, options, opt_input_file);
 
@@ -413,7 +412,5 @@ int main(int argc, char **argv)
 
     ret = probe_file(input_filename);
 
-    av_free(avformat_opts);
-
     return ret;
 }