add -f for selecting input stream 0 format

diff --git a/src/main.rs b/src/main.rs
index 7f8030e1c51dceff6b19876f87dbb70485c4f1b9..ba851baaac784b34a84332cc61a107f6b5eb0d3f 100644 (file)
--- a/src/main.rs
+++ b/src/main.rs
@@ -360,6 +360,10 @@ fn main() {
             "--ignerr" => {
                 ignerr = true;
             },
+            "-f" => {
+                next_arg!(args, arg_idx);
+                transcoder.input_fmt[0] = Some(args[arg_idx].clone());
+            },
             _ => {
                 if args[arg_idx].starts_with("--istream") {
                     let opt0 = &args[arg_idx];