From 5d7870dc76624e42a747a3c7c6f206c8ed9e9b2e Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Fri, 10 Dec 2010 18:25:02 +0000
Subject: [PATCH] Show per-codec options on FFmpeg commandline help.
Originally committed as revision 25927 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
ffmpeg.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/ffmpeg.c b/ffmpeg.c
index 82c79cac282..143ec8f8235 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -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);
--
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