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Start playback at the playhead

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This commit is contained in:
Olive Vaughn 2026-10-04 00:48:43 -04:00
parent 6df315b73d
commit 981bef98f9
1 changed files with 10 additions and 2 deletions
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12
frontend/src/arthur/events/playback.cljs
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@ -67,7 +67,7 @@
::play ::play
(fn [{:keys [db]} _] (fn [{:keys [db]} _]
{:db (assoc-in db [:playback :playing?] true) {:db (assoc-in db [:playback :playing?] true)
::play! nil})) ::play-from! [(fps db) (frames db) (get-in db [:playback :frame] 0)]}))
(rf/reg-event-fx (rf/reg-event-fx
::pause ::pause
@ -80,7 +80,8 @@
(fn [{:keys [db]} _] (fn [{:keys [db]} _]
(if (get-in db [:playback :playing?]) (if (get-in db [:playback :playing?])
{:db (assoc-in db [:playback :playing?] false) ::pause! nil} {:db (assoc-in db [:playback :playing?] false) ::pause! nil}
{:db (assoc-in db [:playback :playing?] true) ::play! nil}))) {:db (assoc-in db [:playback :playing?] true)
::play-from! [(fps db) (frames db) (get-in db [:playback :frame] 0)]})))
(rf/reg-event-fx (rf/reg-event-fx
::seek ::seek
@ -103,6 +104,13 @@
;; --- effects: every DOM touch on the audio element is one of these --- ;; --- effects: every DOM touch on the audio element is one of these ---
(rf/reg-fx ::play! (fn [_] (clock/play!))) (rf/reg-fx ::play! (fn [_] (clock/play!)))
(rf/reg-fx ::play-from!
(fn [[fps frames f]]
;; The transport is the audio clock; app-db's frame is the visible
;; playhead. Re-anchor before starting so Play always honors the frame
;; currently shown, including after the clock has reached the clip end.
(clock/seek! fps frames f)
(clock/play!)))
(rf/reg-fx ::pause! (fn [_] (clock/pause!))) (rf/reg-fx ::pause! (fn [_] (clock/pause!)))
(rf/reg-fx ::rate! (fn [r] (clock/set-rate! r))) (rf/reg-fx ::rate! (fn [r] (clock/set-rate! r)))
(rf/reg-fx ::seek! (fn [[fps frames f]] (clock/seek! fps frames f))) (rf/reg-fx ::seek! (fn [[fps frames f]] (clock/seek! fps frames f)))