change to audio-player.rkt
This commit is contained in:
@@ -184,7 +184,7 @@
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((eq? st 'stopped)
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(set-play-button "buttons/play.svg")
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(send el set-innerHTML! '(span (tr "stopped"))))
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((eq? st 'pauzed)
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((eq? st 'paused)
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(set-play-button "buttons/play.svg")
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(send el set-innerHTML! '(span ((class "blink")) (tr "paused"))))
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(else
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@@ -308,7 +308,7 @@
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(send playlist add-tab!)
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(send this update-tabs))
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(define (update-audio-info samples rate channels bits audio-format)
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(define (update-audio-info rate channels bits audio-format)
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(send el-bits set-innerHTML! (format "~a ~a" bits (tr "bits")))
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(send el-channels set-innerHTML! (format "~a ~a" channels (tr "channels")))
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(send el-rate set-innerHTML! (format "~a Hz" rate))
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@@ -579,7 +579,7 @@
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(cond
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((eq? state 'playing)
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(send player pause!))
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((eq? state 'pauzed)
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((eq? state 'paused)
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(send player play!))
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(else
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(play-track 0))
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+1
-1
@@ -16,7 +16,7 @@
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(not (string-prefix? name ".")))
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(if (eq? type 'file)
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(let* ((fn (string-downcase (format "~a" f)))
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(exts (audio-supported-extensions)))
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(exts (audio-known-exts?)))
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(let ((l (filter (λ (e) (string-suffix? fn (string-append "." e))) exts)))
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(not (null? l))))
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#f))))
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+152
-366
@@ -3,12 +3,11 @@
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(require racket/class
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racket-audio
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"utils.rkt"
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lru-cache
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)
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(provide player%)
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(define orig-current-seconds current-seconds)
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(define player%
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(class object%
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(init-field [settings #f]
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@@ -20,395 +19,182 @@
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[buffer-max-seconds 10]
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[buffer-min-seconds 4]
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)
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(define use-ao #t)
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(define player #f)
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(define playlist #f)
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(define state 'stopped)
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(define repeat 'no-repeat)
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(define full-state (make-hash))
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(define music-id -1)
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(define track-cache (make-lru 10
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#:cmp (λ (a b) (= (car a) (car b)))))
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(define (music-id->track-nr id)
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(let ((item (lru-use track-cache (list music-id) #f)))
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(if (eq? item #f)
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#f
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(cadr item))))
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(define (register-music-id&track-nr id track-nr)
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(lru-add! track-cache (list id track-nr)))
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(define (clear-music-ids!)
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(lru-clear track-cache))
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(define pl #f)
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(define state 'stopped)
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(define track -1)
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(define current-track -1)
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(define ct-data #f)
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(define closing #f)
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(define pause #f)
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(define stop-in-pause 'nil)
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(define repeat-state 'no-repeat)
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(define volume (send settings get 'volume 100.0))
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(define ao-handle #f)
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(define audio-handle #f)
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(define current-music-id -1)
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(define current-track-id -1)
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(define current-rate 0)
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(define current-bits 0)
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(define current-channels 0)
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(define current-audio-format 'none)
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(define current-length 0)
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(define current-seconds 0)
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(define repeat 'no-repeat) ;; no-repeat, repeat-1, repeat-all
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(define play-time-updater-state 'stopped)
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(define (set-state! st)
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(set! state st)
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(state-updater st))
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(define (check-ao-handle)
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(when (eq? ao-handle #f)
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(dbg-rktplayer "ao-handle equals #f")
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(unless (or (= current-rate 0) (= current-bits 0) (= current-channels 0))
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(dbg-rktplayer "current-rate = ~a, current-bits = ~a, current-channels = ~a, ao-handle = ~a"
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current-rate current-bits current-channels ao-handle)
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(dbg-rktplayer "Opening ao-handle")
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(when use-ao
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(set! ao-handle (ao-open-live current-bits current-rate current-channels 'native-endian))
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(start-play-time-updater)
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)
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(define (audio-state-cb handle st*)
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(set! full-state st*)
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(let ((st (audio-state player)))
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(when (or (eq? st 'paused) (eq? st 'playing))
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(time-updater (audio-at-second player)
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(audio-duration player))
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(when (not (= music-id (audio-music-id player)))
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(set! music-id (audio-music-id player))
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(let ((track-nr (music-id->track-nr music-id)))
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(if (eq? track-nr #f)
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(error "Unexpected: no track-nr for given music-id")
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(track-nr-updater track-nr))))
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)
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)
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(when (not (= (ao-volume ao-handle) volume))
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(ao-set-volume! ao-handle volume))
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)
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(define (start-play-time-updater)
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(when (eq? play-time-updater-state 'stopped)
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(set! play-time-updater-state 'updating)
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(dbg-rktplayer "Starting play-time-updater")
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(thread (λ ()
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(define (updater)
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(if (or (eq? ao-handle #f) closing)
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(begin
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(set! play-time-updater-state 'stopped)
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(dbg-rktplayer "Terminating play-time-updater")
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'done)
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(let ((seconds (ao-at-second ao-handle))
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(duration (ao-music-duration ao-handle))
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(music-id (ao-at-music-id ao-handle))
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)
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(set! current-seconds seconds)
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(time-updater current-seconds duration)
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(unless (= music-id current-music-id)
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(dbg-rktplayer "a ~a ~a ~a" music-id current-track-id seconds)
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(set! current-music-id music-id)
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(track-nr-updater track))
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(sleep 0.2)
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(updater))))
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(updater)
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)
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)
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(state-updater st)
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(repeat-updater repeat)
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(audio-info-cb (audio-rate player) (audio-channels player)
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(audio-bits player) (audio-decoder player))
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)
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)
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(define (on-eof-stream-cb handle)
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(let ((track-nr (music-id->track-nr music-id)))
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(send this next)))
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(define (stream-equal? rate bits channels)
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(and (= current-rate rate)
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(= current-bits bits)
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(= current-channels channels)))
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(define (audio-play type ao-type handle buf-info buffer buf-len)
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(unless (eq? state 'quitted)
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(let* ((sample (hash-ref buf-info 'sample))
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(rate (hash-ref buf-info 'sample-rate))
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(second (/ (* sample 1.0) (* rate 1.0)))
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(bits-per-sample (hash-ref buf-info 'bits-per-sample))
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(bytes-per-sample (/ bits-per-sample 8))
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(channels (hash-ref buf-info 'channels))
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(bytes-per-sample-all-channels (* channels bytes-per-sample))
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(duration (hash-ref buf-info 'duration))
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)
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(unless (stream-equal? rate bits-per-sample channels)
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(dbg-rktplayer "Stream has changed to ~a ~a ~a" rate bits-per-sample channels)
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(unless (eq? ao-handle #f)
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(dbg-rktplayer "Waiting for play buffer to reach empty state, buf-size = ~a" (ao-bufsize-async ao-handle))
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(while (> (ao-bufsize-async ao-handle) 0)
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(dbg-rktplayer "buffer size: ~a" (ao-bufsize-async ao-handle))
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(sleep 1.0) ;0.25)
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)
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(dbg-rktplayer "buffer size: ~a" (ao-bufsize-async ao-handle))
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(dbg-rktplayer "Empty state reached")
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(dbg-rktplayer "Closing ao-handle")
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(ao-close ao-handle)
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(set! ao-handle #f))
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)
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(set! current-rate rate)
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(set! current-bits bits-per-sample)
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(set! current-channels channels)
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(set! current-length duration)
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(when (eq? ao-handle #f)
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(audio-info-cb sample current-rate current-channels current-bits current-audio-format)
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)
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(check-ao-handle)
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(when (not (eq? ao-handle #f))
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(let ((buf-seconds-left (λ () (exact->inexact
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(/ (ao-bufsize-async ao-handle)
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bytes-per-sample-all-channels
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rate)))))
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(when (> (buf-seconds-left) buffer-max-seconds)
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(dbg-rktplayer "waiting for buffer to get below ~as" buffer-min-seconds)
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(while (and (not (eq? ao-handle #f))
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(not closing)
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(not pause)
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(> (buf-seconds-left) buffer-min-seconds))
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(sleep 0.25))
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(dbg-rktplayer "under ~a seconds" buffer-min-seconds)))
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(when (not (eq? ao-handle #f))
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(ao-play ao-handle current-track-id second duration buffer buf-len ao-type)
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)
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)
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(when pause
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(dbg-rktplayer "Pausing now...")
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(set-state! 'pauzed)
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(ao-pause ao-handle #t)
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(while (and (not (eq? ao-handle #f))
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(not (eq? stop-in-pause 'stop-request))
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(not closing)
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pause)
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(sleep 0.5))
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(if (eq? stop-in-pause 'stop-request)
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(set! stop-in-pause 'stop-ack)
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(begin
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(ao-pause ao-handle #f)
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(dbg-rktplayer "Playing on...")
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(set-state! 'playing))
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)
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)
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)
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)
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)
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(define (audio-meta type ao-type handle meta)
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(set! current-audio-format type)
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(dbg-rktplayer "type: ~a" type)
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(dbg-rktplayer "ao-type: ~a" ao-type)
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(dbg-rktplayer "meta: ~a" meta))
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(define (play-track-worker)
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(thread
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(λ ()
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(if (eq? ct-data #f)
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'no-track-data
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(let ((file (send ct-data get-file)))
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(dbg-rktplayer "opening audios handle for file: ~a" file)
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(set! audio-handle (audio-open file audio-meta audio-play))
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(set! current-track-id (send ct-data get-id))
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(dbg-rktplayer "Starting audio-read")
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(audio-read audio-handle)
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(unless (eq? state 'stopped)
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(set-state! 'track-feeded)
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(dbg-rktplayer "Audio read done")
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)
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'worker-done
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)
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)
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)
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)
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(set-state! 'playing)
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'playing
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)
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(define (close-player*)
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(dbg-rktplayer "Closing audio handle")
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(set! closing #t)
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(unless (eq? audio-handle #f)
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(audio-stop audio-handle)
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(set! audio-handle #f))
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(set! current-rate 0)
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(set! current-channels 0)
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(set! current-bits 0)
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(set! ct-data #f)
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(unless (eq? ao-handle #f)
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(let ((h ao-handle))
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(dbg-rktplayer "closing ao-handle")
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(set! ao-handle #f)
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(dbg-rktplayer "ao-handle = ~a" h)
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(ao-close h)
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))
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(dbg-rktplayer "close-player*: ao-handle = ~a" ao-handle)
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(dbg-rktplayer "Waiting for updater to stop")
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(while (eq? play-time-updater-state 'updating)
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(dbg-rktplayer "close-player*: ao-handle = ~a" ao-handle)
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(sleep 0.1))
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(dbg-rktplayer "resetting tracks")
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(set! track -1)
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(set! current-track -1)
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(set! closing #f)
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(dbg-rktplayer "done close-player*")
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)
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(define (quit-player)
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(close-player*)
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(set-state! 'quitted)
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)
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(define (stop-and-clear)
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(info-rktplayer "STOP AND CLEAR")
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(when pause
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(set! stop-in-pause 'stop-request)
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(set! pause #f)
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(while (not (eq? stop-in-pause 'stop-ack))
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(sleep 0.2)))
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(set-state! 'stopped)
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(info-rktplayer "calling close-player*")
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(close-player*)
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)
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(define/public (next-track)
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(unless (eq? repeat-state 'repeat-one)
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(set! track (+ track 1)))
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(when (eq? repeat-state 'repeat-all)
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(when (>= track (send pl length))
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(set! track 0)))
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(if (>= track (send pl length))
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(begin
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(set-state! 'stopped)
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(track-nr-updater #f))
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(begin
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(set! ct-data (send pl track track))
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(set-state! 'play)
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;(track-nr-updater track)
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)
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)
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)
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(define/public (play-track i)
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(unless (= (send pl length) 0)
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(dbg-rktplayer "play-track ~a" i)
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(set! state 'stopped)
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(close-player*)
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(dbg-rktplayer "Player closed")
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(set! track i)
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(set! ct-data (send pl track i))
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(set-state! 'play)
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(dbg-rktplayer "Set state to 'play, updating to track ~a" track)
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(track-nr-updater track)
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(dbg-rktplayer "track-nr-updater called")
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||||
)
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||||
)
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||||
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||||
(define/public (stop)
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(stop-and-clear)
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||||
)
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||||
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||||
(define/public (set-volume! percentage)
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(set! volume percentage)
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(send settings set! 'volume percentage)
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(unless (eq? ao-handle #f)
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||||
(ao-set-volume! ao-handle volume))
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||||
)
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||||
(define (check-player)
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(when (eq? player #f)
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(set! player (make-audio-player audio-state-cb on-eof-stream-cb))))
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||||
|
||||
(define/public (get-volume)
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volume)
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||||
(check-player)
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(audio-volume player))
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||||
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||||
(define/public (set-volume! percentage)
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||||
(check-player)
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(audio-volume! player percentage))
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||||
|
||||
(define/public (set-list! playlist*)
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||||
;; if the player exists and is playing, stop it.
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||||
(unless (eq? player #f)
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||||
(audio-stop! player))
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||||
;; Set the playlist to the new one.
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(set! playlist playlist*)
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||||
;; reset music-id to -1, because the playlist has been reset.
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(set! music-id -1)
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||||
;; clear lru cache, because the playlist has been reset.
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||||
(clear-music-ids!)
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||||
)
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||||
|
||||
(define/public (play playlist*)
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(check-player)
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||||
(set-list! playlist*)
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(send this play-track 0))
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||||
|
||||
(define/public (play-track nr)
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||||
(check-player)
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(when (and (>= nr 0) (< nr (send playlist length)))
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(let ((track (send playlist track nr)))
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||||
(let ((id (audio-play! player (send track get-file))))
|
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(register-music-id&track-nr id nr)))))
|
||||
|
||||
(define/public (next)
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||||
(if (= (send pl length) 0)
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#f
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||||
(let ((idx track))
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||||
(set! idx (+ idx 1))
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||||
(when (>= idx (send pl length))
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||||
(set! idx 0))
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||||
(send this play-track idx))
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||||
))
|
||||
(check-player)
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||||
(if (= music-id -1)
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||||
(warn-rktplayer "No music-id set (yet), so can't play anything next")
|
||||
(let ((track-nr (music-id->track-nr music-id)))
|
||||
(if (eq? track-nr #f)
|
||||
(error "Unexpected: no track-nr for given music-id")
|
||||
(begin
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||||
(cond
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||||
((eq? repeat 'repeat-one) (play-track track-nr))
|
||||
((eq? repeat 'repeat-all)
|
||||
(set! track-nr (+ track-nr 1))
|
||||
(when (>= track-nr (send playlist length))
|
||||
(set! track-nr 0))
|
||||
(play-track track-nr))
|
||||
(else
|
||||
(set! track-nr (+ track-nr 1))
|
||||
(if (>= track-nr (send playlist length))
|
||||
(stop)
|
||||
(play-track track-nr)))
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
|
||||
(define/public (previous)
|
||||
(if (= (send pl length) 0)
|
||||
#f
|
||||
(let ((idx track))
|
||||
(set! idx (- idx 1))
|
||||
(when (< idx 0)
|
||||
(set! idx (- (send pl length) 1)))
|
||||
(send this play-track idx)
|
||||
)))
|
||||
|
||||
(define/public (pause-unpause)
|
||||
(set! pause (not pause))
|
||||
(dbg-rktplayer "pauzed: ~a" pause)
|
||||
(check-player)
|
||||
(if (= music-id -1)
|
||||
(warn-rktplayer "No music-id set (yet), so can't play anything previous")
|
||||
(let ((track-nr (music-id->track-nr music-id)))
|
||||
(if (eq? track-nr #f)
|
||||
(error "Unexpected: no track-nr for given music-id")
|
||||
(begin
|
||||
(cond
|
||||
((eq? repeat 'repeat-one) (play-track track-nr))
|
||||
((eq? repeat 'repeat-all)
|
||||
(set! track-nr (- track-nr 1))
|
||||
(when (< track-nr 0)
|
||||
(set! track-nr (- (send playlist length) 1)))
|
||||
(play-track track-nr))
|
||||
(else
|
||||
(set! track-nr (- track-nr 1))
|
||||
(when (< track-nr 0) (set! track-nr 0))
|
||||
(play-track track-nr))
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
)
|
||||
|
||||
(define/public (pause!)
|
||||
(set! pause #t))
|
||||
(check-player)
|
||||
(audio-pause! player #t))
|
||||
|
||||
(define/public (play!)
|
||||
(set! pause #f))
|
||||
(check-player)
|
||||
(audio-pause! player #f))
|
||||
|
||||
(define/public (get-repeat)
|
||||
repeat-state)
|
||||
|
||||
(define/public (repeat! state) ; no-repeat, repeat-all, repeat-one
|
||||
(set! repeat-state state)
|
||||
(repeat-updater state)
|
||||
)
|
||||
(define/public (pause-unpause)
|
||||
(check-player)
|
||||
(if (audio-paused? player)
|
||||
(send this pause!)
|
||||
(send this play!)))
|
||||
|
||||
(define/public (stop)
|
||||
(check-player)
|
||||
(audio-stop! player))
|
||||
|
||||
(define/public (seek percentage)
|
||||
(ao-clear-async ao-handle)
|
||||
(audio-seek audio-handle percentage))
|
||||
(check-player)
|
||||
(audio-seek! player percentage))
|
||||
|
||||
(define/public (get-repeat)
|
||||
(check-player)
|
||||
repeat)
|
||||
|
||||
(define/public (repeat! r)
|
||||
(check-player)
|
||||
(set! repeat r))
|
||||
|
||||
(define (state-machine)
|
||||
(let ((st (orig-current-seconds))
|
||||
(s (orig-current-seconds)))
|
||||
(define (worker)
|
||||
(if (eq? state 'quit)
|
||||
(begin
|
||||
(quit-player)
|
||||
'done)
|
||||
(begin
|
||||
(cond
|
||||
((eq? state 'stopped)
|
||||
(sleep 0.1))
|
||||
((eq? state 'play)
|
||||
(if (eq? pl #f)
|
||||
(set-state! 'stoppped)
|
||||
(play-track-worker)))
|
||||
((eq? state 'playing)
|
||||
(sleep 0.1))
|
||||
((eq? state 'track-feeded)
|
||||
(send this next-track))
|
||||
(else
|
||||
(sleep 0.1))
|
||||
)
|
||||
;(let ((ns (orig-current-seconds)))
|
||||
; (when (> (- ns 5) s)
|
||||
; (displayln (format "state-machine: ~a" (- ns st)))
|
||||
; (set! s ns)))
|
||||
(worker)
|
||||
)
|
||||
))
|
||||
(worker)))
|
||||
|
||||
(define/public (set-list! playlist)
|
||||
(stop-and-clear)
|
||||
(set! pl playlist)
|
||||
)
|
||||
|
||||
(define/public (play playlist)
|
||||
(send this set-list! playlist)
|
||||
(send this play-track 0)
|
||||
)
|
||||
|
||||
(define/public (quit)
|
||||
(set-state! 'quit)
|
||||
(while (not (eq? state 'quitted))
|
||||
(sleep 0.1))
|
||||
)
|
||||
|
||||
(unless (eq? player #f)
|
||||
(audio-quit! player)))
|
||||
|
||||
(super-new)
|
||||
|
||||
(begin
|
||||
(thread (λ () (state-machine)))
|
||||
(dbg-rktplayer "player% initialized")
|
||||
)
|
||||
)
|
||||
)
|
||||
|
||||
@@ -59,6 +59,38 @@
|
||||
)
|
||||
(set! rktplayer-window window)
|
||||
(set! rktplayer-tray tray)
|
||||
(thread (λ ()
|
||||
(sleep 5)
|
||||
(let ((prg (string-append "let f_evt_info = window.rkt_event_info;\n"
|
||||
"window.rkt_event_info = function(e, id, evt) {\n"
|
||||
" if (evt.dataTransfer) {\n"
|
||||
" for(const item of evt.dataTransfer.items) {\n"
|
||||
" if (item.kind == 'file') {\n"
|
||||
" console.log(item.getAsFile());\n"
|
||||
" }\n"
|
||||
" }\n"
|
||||
" }\n"
|
||||
" return f_evt_info(e, id, evt);\n"
|
||||
"}; return 42;")))
|
||||
|
||||
|
||||
#|(js (let* ((f_evt_info window.rkt_event_info))
|
||||
(send console log "Setting new window.rkt_event_info")
|
||||
(set! window.rkt_event_info
|
||||
(λ (e id evt)
|
||||
(if evt.dataTransfer
|
||||
(let* ((items evt.dataTransfer.items)
|
||||
(fitems (send items filter (λ (item)
|
||||
(return (== item.kind "file")))))
|
||||
)
|
||||
(send fitems forEach (λ (item)
|
||||
(console.log item)))
|
||||
)
|
||||
42)
|
||||
(return (f_evt_info e id evt))))
|
||||
(return 42)))))|#
|
||||
(displayln prg)
|
||||
(displayln (send window call-js prg)))))
|
||||
(when (or (null? no-exit)
|
||||
(not (eq? (car no-exit) #t)))
|
||||
(webview-wait-for-quit)
|
||||
|
||||
Reference in New Issue
Block a user