[FFmpeg-cvslog] examples/decoding_encoding: clarify operations in the usage message

[Stefano Sabatini]

ffmpeg | branch: master | Stefano Sabatini <stefasab at gmail.com> | Thu Sep 13 10:16:38 2012 +0200| [51fa6538297f26f27a8ea1d9c0c3016f42ee7ecf] | committer: Stefano Sabatini

examples/decoding_encoding: clarify operations in the usage message

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=51fa6538297f26f27a8ea1d9c0c3016f42ee7ecf
---

 doc/examples/decoding_encoding.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/examples/decoding_encoding.c b/doc/examples/decoding_encoding.c
index 7dda740..e5372a1 100644
--- a/doc/examples/decoding_encoding.c
+++ b/doc/examples/decoding_encoding.c
@@ -608,6 +608,9 @@ int main(int argc, char **argv)
     if (argc < 2) {
         printf("usage: %s output_type\n"
                "API example program to decode/encode a media stream with libavcodec.\n"
+               "This program generates a synthetic stream and encodes it to a file\n"
+               "named test.h264, test.mp2 or test.mpg depending on output_type.\n"
+               "The encoded stream is then decoded and written to a raw data output\n."
                "output_type must be choosen between 'h264', 'mp2', 'mpg'\n",
                argv[0]);
         return 1;