[FFmpeg-cvslog] examples/muxing: extend usage notice

[Stefano Sabatini]

ffmpeg | branch: master | Stefano Sabatini <stefasab at gmail.com> | Mon Oct 15 15:42:16 2012 +0200| [a726ac9a11b44782bddba23e179984b738fcc6b7] | committer: Stefano Sabatini

examples/muxing: extend usage notice

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a726ac9a11b44782bddba23e179984b738fcc6b7
---

 doc/examples/muxing.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/examples/muxing.c b/doc/examples/muxing.c
index ed1f8e5..56790ec 100644
--- a/doc/examples/muxing.c
+++ b/doc/examples/muxing.c
@@ -431,8 +431,10 @@ int main(int argc, char **argv)
     if (argc != 2) {
         printf("usage: %s output_file\n"
                "API example program to output a media file with libavformat.\n"
+               "This program generates a synthetic audio and video stream, encodes and\n"
+               "muxes them into a file named output_file.\n"
                "The output format is automatically guessed according to the file extension.\n"
-               "Raw images can also be output by using '%%d' in the filename\n"
+               "Raw images can also be output by using '%%d' in the filename.\n"
                "\n", argv[0]);
         return 1;
     }