@@ -3883,6 +3883,8 @@ static void show_usage(void)

 static void show_help(void)

 {

+    AVCodec *c;

+

     av_log_set_callback(log_callback_help);

     show_usage();

     show_help_options(options, "Main options:\n",

@@ -3911,6 +3913,16 @@ static void show_help(void)

     printf("\n");

     av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);

     printf("\n");

+

+    /* individual codec options */

+    c = NULL;

+    while ((c = av_codec_next(c))) {

+        if (c->priv_class) {

+            av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);

+            printf("\n");

+        }

+    }

+

     av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);

     printf("\n");

     av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);