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feat(hls): persistent fMP4 segment cache + integrity + stats (0.9.7)
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Cache keyed by sha256(absPath|quality|audioIdx)[:8] with .complete marker;
LRU + size-budget eviction; per-key writer-lock; pinned during play;
startup orphan reap; integrity verify on HIT; subtitle-completeness gate;
hit/miss counters + daily log line. New [downloads.hls_cache] block in
config.toml (enabled/size_gb/dir, default 5GB).

Smoke test: 2nd play of same source+quality is 23-31× faster (HIT path
skips ffmpeg entirely).
This commit is contained in:
Deivid Soto 2026-05-26 23:39:02 +02:00
parent 834c58c25a
commit 7e96976257
10 changed files with 1295 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

28
internal/cmd/daemon.go
View file

@ -162,6 +162,7 @@ func runDaemonStart() error {
ScanPaths: library.ResolveScanPaths(cfg.Download.Dir, cfg.Organize.MoviesDir, cfg.Organize.TVShowsDir, cfg.Library.ScanPath),
HWAccel: string(hwAccelPick),
MaxTranscodeHeight: maxTranscodeHeight,
AutoUpgrade: cfg.Daemon.AutoUpgradeEnabled(),
}
// Create HTTP client with mirror failover so a `.com` block-out rolls
@ -299,6 +300,32 @@ func runDaemonStart() error {
if err := engine.CleanupHLSOrphanDirs(); err != nil {
log.Printf("[hls] orphan tmpdir cleanup: %v", err)
}
// Persistent HLS segment cache — survives across sessions so re-plays
// of the same file at the same quality skip ffmpeg entirely. Off when
// hls_cache.enabled = false; size cap from hls_cache.size_gb; path from
// hls_cache.dir (defaults to ~/.cache/unarr/hls-cache).
var hlsCache *engine.HLSCache
if cfg.Download.HLSCache.Enabled {
cacheDir := cfg.Download.HLSCache.Dir
if cacheDir == "" {
if base, err := os.UserCacheDir(); err == nil {
cacheDir = filepath.Join(base, "unarr", "hls-cache")
} else {
cacheDir = filepath.Join(os.TempDir(), "unarr-hls-cache")
}
}
c, err := engine.NewHLSCache(cacheDir, cfg.Download.HLSCache.SizeGB)
if err != nil {
log.Printf("[hls_cache] init failed (%v) — falling back to per-session tmpdirs", err)
} else {
hlsCache = c
hlsCache.StartSweeper(ctx, time.Hour)
log.Printf("[hls_cache] enabled: dir=%s budget=%dGB", cacheDir, cfg.Download.HLSCache.SizeGB)
}
} else {
log.Printf("[hls_cache] disabled by config — every play re-encodes from scratch")
}
if err := streamSrv.Listen(ctx); err != nil {
return fmt.Errorf("start stream server: %w", err)
}
@ -543,6 +570,7 @@ func runDaemonStart() error {
Quality: sess.Quality,
AudioIndex: sess.AudioIndex,
Transcode: tcRuntime,
Cache: hlsCache,
}
hsess, err := engine.StartHLSSession(hlsCtx, hlsCfg)
if err != nil {

2
internal/cmd/version.go
View file

@ -1,4 +1,4 @@
package cmd
// Version is the CLI version. Overridden by goreleaser ldflags at release time.
var Version = "0.9.6"
var Version = "0.9.7"