From 071d353e57497f0955fa592fa5866be80a8c4386 Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Sun, 19 Jul 2020 12:13:48 +0200
Subject: [PATCH] add help
---
src/main.rs | 25 ++++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/src/main.rs b/src/main.rs
index de13de9..6b9086f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -653,7 +653,30 @@ fn main() {
let args: Vec<_> = env::args().collect();
if args.len() == 1 {
- println!("usage: nihav-encoder [-noout] [-vn] [-an] input [lastpts]");
+ println!("usage: nihav-encoder [options] --input inputfile --output outputfile");
+ println!(" use nihav-encoder --help to list all available options");
+ return;
+ }
+ if args.len() == 2 && (args[1] == "--help" || args[1] == "-h") {
+ println!("usage: nihav-encoder [options] --input inputfile --output outputfile");
+ println!(" query options:");
+ println!(" --list-{{decoders,encoders,demuxers,muxers}} - lists all available decoders/encoders/demuxers/muxers");
+ println!(" --query-{{decoder,encoder,demuxer,muxer}}-options name - lists all options recognized by that decoder/encoder/demuxer/muxer");
+ println!(" processing options:");
+ println!(" --input inputfile - set input file");
+ println!(" --input-format fmt - force input format");
+ println!(" --demuxer-options options - set input demuxer options");
+ println!(" --output outputfile - set output file");
+ println!(" --output-format fmt - force output format");
+ println!(" --muxer-options options - set output muxer options");
+ println!(" --no-audio - do not decode audio streams");
+ println!(" --no-video - do not decode video streams");
+ println!(" --start starttime - start decoding from given position");
+ println!(" --end endtime - end decoding at given position");
+ println!(" --istreamX options - set options for input stream X");
+ println!(" --ostreamX options - set options for output stream X");
+ println!();
+ println!(" (de)muxer and stream options are passed as comma-separated list e.g. --ostream0 width=320,height=240,flip");
return;
}
--
2.39.5