[FFmpeg-devel] [PATCH 3/3] Document terminal coloring in the -loglevel option.

[Stefano Sabatini]

---
 doc/fftools-common-opts.texi |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/doc/fftools-common-opts.texi b/doc/fftools-common-opts.texi
index d3fdde7..e29041a 100644
--- a/doc/fftools-common-opts.texi
+++ b/doc/fftools-common-opts.texi
@@ -82,4 +82,8 @@ Set the logging level used by the library.
 @item debug
 @end table
 
+By default the program logs to stderr, if coloring is supported by the
+terminal, colors are used to mark errors and warnings. Log coloring
+can be disabled setting the environment variable @code{NO_COLOR}.
+
 @end table
-- 
1.7.1