also allow setting the initial speed on the command line

2 files changed, 9 insertions, 1 deletions

diff --git a/src/bin/ttyplay/main.rs b/src/bin/ttyplay/main.rs
index 699d329..d05ba5d 100644
--- a/src/bin/ttyplay/main.rs
+++ b/src/bin/ttyplay/main.rs
@@ -21,6 +21,9 @@ struct Opt {
 
     #[structopt(short, long)]
     paused: bool,
+
+    #[structopt(short, long, default_value = "4")]
+    speed: u32,
 }
 
 async fn async_main(opt: Opt) -> anyhow::Result<()> {
@@ -28,8 +31,11 @@ async fn async_main(opt: Opt) -> anyhow::Result<()> {
         file,
         clamp,
         paused,
+        speed,
     } = opt;
 
+    let speed = speed.clamp(0, 8);
+
     let fh = async_std::fs::File::open(file).await?;
 
     let mut input = textmode::Input::new().await?;
@@ -52,6 +58,7 @@ async fn async_main(opt: Opt) -> anyhow::Result<()> {
         frame_data.clone(),
         timer_r,
         paused,
+        speed,
     );
 
     event::handle_events(event_r, timer_w.clone(), output, paused).await?;
diff --git a/src/bin/ttyplay/timer.rs b/src/bin/ttyplay/timer.rs
index db85001..f5cf2dc 100644
--- a/src/bin/ttyplay/timer.rs
+++ b/src/bin/ttyplay/timer.rs
@@ -7,6 +7,7 @@ pub fn spawn_task(
     >,
     timer_r: async_std::channel::Receiver<crate::event::TimerAction>,
     pause_at_start: bool,
+    speed: u32,
 ) -> async_std::task::JoinHandle<()> {
     async_std::task::spawn(async move {
         let mut idx = 0;
@@ -17,7 +18,7 @@ pub fn spawn_task(
             None
         };
         let mut force_update_time = false;
-        let mut playback_ratio = 16;
+        let mut playback_ratio = 2_u32.pow(speed);
         loop {
             enum Res {
                 Wait(Option<vt100::Screen>),