52 lines
1.9 KiB
Swift
52 lines
1.9 KiB
Swift
import Foundation
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import Libmpv
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/// Audio-only mpv core for music playback.
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///
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/// Reuses [MpvPlayerCoreBase]'s context/event/property machinery (all of it
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/// instance-scoped) but never touches a render surface: video decoding is
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/// disabled outright, embedded cover art must not surface as a video track
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/// (`audio-display=no`), and none of the display-criteria/EDR/PiP paths apply.
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/// Lives alongside — and independently of — the video core, so it can be
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/// created and destroyed repeatedly regardless of the video plugin's state.
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class MpvAudioPlayerCore: MpvPlayerCoreBase {
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func initialize() -> Bool {
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guard !isInitialized else {
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print("[MpvAudioPlayerCore] Already initialized")
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return true
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}
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let created = createMpvContext { [self] mpv in
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checkError(mpv_set_option_string(mpv, "vid", "no"))
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// Critical: without this, embedded cover art is exposed as a video
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// track and mpv would try to present it.
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checkError(mpv_set_option_string(mpv, "audio-display", "no"))
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checkError(mpv_set_option_string(mpv, "force-window", "no"))
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// Gapless track transitions when the next playlist entry matches the
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// current audio format (the Dart side arms it via `loadfile append`).
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checkError(mpv_set_option_string(mpv, "gapless-audio", "weak"))
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// Match the video core: hold the final track at EOF (eof-reached flips
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// true) instead of unloading, so Dart's completed handling still works.
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checkError(mpv_set_option_string(mpv, "keep-open", "yes"))
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}
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guard created else { return false }
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isInitialized = true
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print("[MpvAudioPlayerCore] Initialized successfully")
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return true
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}
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func dispose() {
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guard beginDisposal() else { return }
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disposeSharedState(destroySynchronously: false)
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isInitialized = false
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print("[MpvAudioPlayerCore] Disposed")
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}
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deinit {
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dispose()
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}
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}
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