From 5a8597a00ae8f953c2766c63857fd994c621826c Mon Sep 17 00:00:00 2001
From: "William R. Zwicky" <wrzwicky@pobox.com>
Date: Sun, 9 Aug 2009 10:42:38 +0000
Subject: [PATCH] Document the output of ffmpeg -formats.

Patch by William R. Zwicky, wrzwicky pobox com

Originally committed as revision 19610 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 cmdutils.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/cmdutils.c b/cmdutils.c
index c2e7d064b1..d2fdb60e57 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -426,7 +426,11 @@ void show_formats(void)
     AVBitStreamFilter *bsf=NULL;
     const char *last_name;
 
-    printf("File formats:\n");
+    printf(
+        "File formats:\n"
+        " D. = Demuxing supported\n"
+        " .E = Muxing supported\n"
+        " --\n");
     last_name= "000";
     for(;;){
         int decode=0;
@@ -465,7 +469,17 @@ void show_formats(void)
     }
     printf("\n");
 
-    printf("Codecs:\n");
+    printf(
+        "Codecs:\n"
+        " D..... = Decoding supported\n"
+        " .E.... = Encoding supported\n"
+        " ..V... = Video codec\n"
+        " ..A... = Audio codec\n"
+        " ..S... = Subtitle codec\n"
+        " ...S.. = Supports draw_horiz_band\n"
+        " ....D. = Supports direct rendering method 1\n"
+        " .....T = Supports weird frame truncation\n"
+        " ------\n");
     last_name= "000";
     for(;;){
         int decode=0;