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-rw-r--r--doc/examples/muxing.c4
1 files changed, 3 insertions, 1 deletions
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;
}
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