feat: YouTube-style autoplay continuation when the queue runs out - #424
feat: YouTube-style autoplay continuation when the queue runs out#424megabyte0x wants to merge 15 commits into
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Included review availability: Your plan provides up to 8 included reviews per hour; 4 remain after this review. 📝 WalkthroughWalkthroughYouTube Mix autoplay is configurable and can be toggled with ChangesYouTube radio autoplay
Estimated code review effort: 4 (Complex) | ~45 minutes Sequence Diagram(s)sequenceDiagram
participant PlaybackModel
participant RadioMixResolver
participant YouTubeMix
PlaybackModel->>RadioMixResolver: Build Mix URL from active YouTube track
RadioMixResolver->>YouTubeMix: Fetch related tracks
YouTubeMix-->>PlaybackModel: Return Mix entries
PlaybackModel->>PlaybackModel: Filter duplicates and append up to five tracks
PlaybackModel->>PlaybackModel: Advance playback or schedule the next prefetch
Merge Risk: 🔵 Low · up to The PR adds opt-in asynchronous YouTube continuation and is mergeable with owner awareness: an off-then-on toggle may allow an older request to add tracks, and a resolver failure with partial results may briefly alter the queue before playback stops. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Inline comments:
In `@main.go`:
- Around line 484-486: Update the startup flow around cfg.AutoplayRadio and
runDaemon so autoplay_radio is honored in daemon mode by wiring the setting into
the daemon’s next-track continuation behavior, or explicitly document and
enforce that the setting is TUI-only. Preserve the existing TUI behavior through
m.SetAutoplayRadio(true).
In `@resolve/radio_test.go`:
- Around line 12-17: Update YouTubeVideoID to validate youtu.be short-link paths
as video IDs before returning them, rejecting non-video paths such as
`@somechannel`. Add invalid short-link coverage to the relevant test table and
ensure RadioMixURL does not report success or create a Mix URL for rejected
paths.
In `@resolve/radio.go`:
- Line 24: Update RadioMixURL to validate extracted YouTube IDs from both
youtu.be paths and watch?v values, rejecting extra path segments and IDs
containing separators by returning an empty ID and false; add near-miss tests
covering these cases.
In `@ui/model/autoplay.go`:
- Around line 52-53: Update the rejection condition in nextTrack to also exclude
tracks for which m.currentPlaybackIsLive(track) is true, preventing live YouTube
tracks from starting autoplay mixes while preserving existing rejection
behavior. Add a test covering a live track reached through next-track handling.
In `@ui/model/update.go`:
- Around line 638-642: Update the autoplay result handler around
appendAutoplayTracks to discard results when autoplay is disabled or msg.seed no
longer matches an active playback track; perform these checks before appending
tracks. When either check fails, clear autoplayLoading and autoplayAdvance, then
return without mutating the queue or advancing playback, while preserving the
existing generation check.
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config.toml.exampleconfig/config.goconfig/config_test.godocs/configuration.mddocs/keybindings.mddocs/yt-dlp.mdmain.goresolve/radio.goresolve/radio_test.gosite/index.htmlui/model/autoplay.goui/model/autoplay_test.goui/model/command_registry.goui/model/init.goui/model/keys.goui/model/model.goui/model/playback.goui/model/preload.goui/model/state.goui/model/update.go
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Actionable comments posted: 1
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Inline comments:
In `@ui/model/autoplay.go`:
- Line 170: Update the autoplay cleanup logic around autoplayDedupeKey and
autoplayAdded to track and remove only queue entries created by autoplay, using
queue-entry identity or an explicit origin marker rather than shared video IDs
or paths. Preserve user-added equivalent tracks, and add a regression test
covering an autoplay track followed by a user-owned equivalent track.
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docs/yt-dlp.mdui/model/autoplay.goui/model/autoplay_test.goui/model/model.goui/model/playback.go
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Thanks — all five findings reviewed against the current code and addressed in 1. Cleanup removed user-owned equivalent tracks (Major, 2. 3. Live tracks must not seed a Mix ( 4. Stale/unwanted results in the handler ( 5. Daemon mode ( Verification on |
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Actionable comments posted: 3
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Inline comments:
In `@playlist/playlist.go`:
- Line 60: Update the Ephemeral field on playlist.Track with a JSON exclusion
marker so encoding/json omits it from ytCache.snapshot and loadYTCache round
trips. Preserve Ephemeral at runtime while ensuring cached tracks cannot restore
it as true; add a cache round-trip test covering this behavior.
In `@resolve/radio_test.go`:
- Around line 50-52: Update the RadioMixURL failure-case assertion to verify
both parts of its failure contract: ok must be false and got must be an empty
string. Preserve the existing bad-input cases and report failures through the
current test style.
In `@resolve/radio.go`:
- Around line 39-40: Update the URL handling around YouTubeVideoID and the
adjacent ID extraction to require u.Scheme to be http or https before accepting
either video or playlist IDs; reject non-HTTP(S) schemes such as ftp while
preserving valid HTTP(S) behavior, and add regression coverage for those
schemes.
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config.toml.exampledocs/configuration.mddocs/yt-dlp.mdplaylist/playlist.goresolve/radio.goresolve/radio_test.goui/model/autoplay.goui/model/autoplay_test.goui/model/model.goui/model/playback.goui/model/update.go
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All three findings from the latest review confirmed and fixed in 1. A restored track would then have been silently removed the next time the user played something. Fixed with 2. Failure-case assertions in 3. Non-HTTP(S) schemes ( Verification on |
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@gjermundgaraba could you please review this. |
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this might take some time and we'll probably want to think through the design around this a bit. i really like the idea of having a something like this, but i wonder if there is a more general way to do this that would also allow us to use other providers |
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Would love for this to come to fruition! The one thing I miss when trying out cliamp |
Got it. I will work on it. |
…live guard, stale-result checks
track.play routes through playTrackImmediate, which now marks the entry Ephemeral so the next play-now (or an autoplay cleanup) can reclaim the slot instead of stacking tracks. Queued tracks are untouched.
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3 participants
Problem
Play a song from
Ctrl+Fsearch, let it finish, and playback silently stops.The search flow calls
playTrackImmediate(), which appends a single track. When it drains,nextTrack()→playlist.Next()returnsok=false(last track, repeat off) →Stop()+clearPlaybackTrack(). There is nothing left to play, so the player goes quiet.Solution
YouTube-style autoplay continuation, opt-in via
autoplay_radio(defaultfalse).When the queue is exhausted and the finished track is a YouTube / YouTube Music video, cliamp fetches the auto-generated Mix (
watch?v=<id>&list=RD<id>) — the same "related tracks" radio YouTube's own autoplay uses — drops entries already in the queue (keyed by video ID, sowww./music./youtu.bevariants match), appends the top 5, and keeps playing. Continuation is recursive: when those run out, the newly finished track seeds the next Mix.No new yt-dlp plumbing was needed.
resolvealready routeslist=RD...URLs toresolveYTDLwith--flat-playlist, andResolveYTDLBatchis already exported for the incremental loader.Details
preloadNext()'s no-next branch starts the Mix fetch in the background so the tracks land before the drain and the existing gapless preloader can arm the transition.autoplayFailedSeedso the tick loop cannot spin up a yt-dlp loop for the same track.requests.autoplayinvalidates in-flight fetches;beginPlaybackTrackbumps it and clears the latch whenever a track starts, so a manual action always wins.Next()never fails), live streams (they reconnect instead of advancing), non-YouTube sources (SoundCloud, local files, …) all behave exactly as before. Autoplay is off unless enabled.Usage
ctoggles it at runtime in main mode and persists the choice, likez(shuffle) andr(repeat). The key was free in main mode — the registry only boundcinside the queue overlay ("Clear").Status line:
Autoplay: finding related tracks…→Autoplay: added N related tracks.Changes
resolve/radio.goYouTubeVideoID()andRadioMixURL()helpersconfig/config.goAutoplayRadiofield +autoplay_radioparse caseui/model/autoplay.goui/model/playback.gonextTrack()exhaustion branch; autoplay reset inbeginPlaybackTrackui/model/update.goautoplayTracksMsghandlerui/model/preload.goui/model/keys.go,command_registry.goctogglemain.goconfig.toml.example,site/index.htmlTesting
TDD throughout — 13 new tests in
resolve/radio_test.goandui/model/autoplay_test.gocovering URL parsing, eligibility gating, single-flight fetching, dedupe and the 5-track cap, the exhaustion branch, message handling (append/advance, stale generation, empty result), prefetch windowing, and thectoggle including key dispatch and config persistence.CI parity, run locally:
Manually verified end to end against live yt-dlp: the Mix for a search-played track resolved 20 entries, the seed was correctly deduped, and playback continued onto the next related track. Also smoke-tested in a real TUI session —
autoplay_radio = trueloaded at launch andcrewrote the key tofalsein the config file.Existing end-of-playlist and preload tests are untouched and still pass: they construct models with
autoplayRadiounset, so the stop-at-end behavior is unchanged when the feature is off.Summary by CodeRabbit
New Features
ckey to toggle autoplay during playback; the setting is saved for future sessions.Documentation