123 lines
5.2 KiB
Rust
123 lines
5.2 KiB
Rust
//! The persistent disk cache (PRV-2) through the session: settings, layer cache persistence
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//! across restarts, invalidation on edits, purging.
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use serde_json::json;
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use crate::Session;
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use crate::render::RenderOpts;
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fn folder(name: &str) -> String {
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let d = std::env::temp_dir().join(format!("effectcraft-session-disk-{name}-{}", std::process::id()));
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let _ = std::fs::remove_dir_all(&d);
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d.to_string_lossy().to_string()
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}
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fn session(dir: &str) -> Session {
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let mut s = Session::default();
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s.execute_checked("prefs.set", json!({"values": {"disk.diskCacheFolder": dir, "disk.diskCacheEnabled": true}})).unwrap();
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// Write every layer buffer, however quick to render.
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s.disk_cache.as_ref().unwrap().set_min_layer_ms(0);
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s
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}
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fn project(s: &mut Session) -> effectcraft_project::ItemId {
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s.execute("comp.new", json!({"name": "D", "width": 160, "height": 90, "frameRate": 30, "duration": 1})).unwrap();
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s.execute("layer.newSolid", json!({"color": "#3080ff", "width": 80, "height": 40})).unwrap();
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s.execute("effect.apply", json!({"layer": "#1", "effect": "Gaussian Blur"})).unwrap();
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s.execute("prop.set", json!({"layer": "#1", "path": "effects/#1/blurriness", "value": 12})).unwrap();
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s.active_comp_id().unwrap()
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}
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#[test]
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fn disk_cache_settings_persistence_and_invalidation() {
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let dir = folder("persist");
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let mut s = session(&dir);
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let st = s.execute_checked("cache.diskStats", json!({})).unwrap();
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assert_eq!(st["enabled"], json!(true));
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assert_eq!(st["maxBytes"], json!(100u64 << 30));
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let cid = project(&mut s);
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let t = s.time();
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let first = s.render(cid, t, RenderOpts::default());
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let dc = s.disk_cache.clone().unwrap();
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dc.flush();
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let written = dc.stats().entries;
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assert!(written > 0, "layer buffers written");
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// "Restart": a new session on the same folder and project renders from disk.
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let saved = s.project.clone();
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drop(s);
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let mut s2 = session(&dir);
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s2.project = saved;
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s2.bump();
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s2.open_comp(cid);
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let dc2 = s2.disk_cache.clone().unwrap();
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assert_eq!(dc2.stats().entries, written);
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let again = s2.render(cid, t, RenderOpts::default());
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assert!(dc2.stats().hits > 0, "{:?}", dc2.stats());
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assert_eq!(again.data, first.data, "disk-cached pixels are exact");
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// An edit changes the keys: a miss, and new entries.
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let hits = dc2.stats().hits;
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s2.execute("prop.set", json!({"layer": "#1", "path": "effects/#1/blurriness", "value": 20})).unwrap();
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let edited = s2.render(cid, t, RenderOpts::default());
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assert_ne!(edited.data, first.data);
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assert_eq!(dc2.stats().hits, hits);
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dc2.flush();
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assert!(dc2.stats().entries > written);
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// Purge ▸ All Disk Cache empties it; memory purge leaves the disk alone.
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let r = s2.execute_checked("edit.purge", json!({"what": "memory"})).unwrap();
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assert_eq!(r["diskEntries"], json!(0));
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assert!(dc2.stats().entries > 0);
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let r = s2.execute_checked("edit.purge", json!({"what": "disk"})).unwrap();
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assert!(r["diskEntries"].as_u64().unwrap() > 0);
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assert_eq!(dc2.stats().entries, 0);
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// Disabling detaches it.
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s2.execute_checked("prefs.set", json!({"key": "disk.diskCacheEnabled", "value": false})).unwrap();
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assert!(s2.disk_cache.is_none());
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assert!(s2.layer_cache.disk().is_none());
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}
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#[test]
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fn footage_changes_change_the_salt() {
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let dir = folder("salt");
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let mut s = session(&dir);
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let foot = std::env::temp_dir().join(format!("effectcraft-salt-{}.png", std::process::id()));
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std::fs::write(&foot, b"one").unwrap();
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s.edit("add", None, |p, _| {
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let f = effectcraft_project::Footage {
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path: foot.to_string_lossy().to_string(),
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kind: effectcraft_project::FootageKind::Still,
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width: 1,
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height: 1,
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pixel_aspect: 1.0,
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frame_rate: effectcraft_time::FrameRate::FPS_30,
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native_rate: None,
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duration: effectcraft_time::Tick::ZERO,
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has_video: true,
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has_audio: false,
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alpha: effectcraft_project::AlphaMode::Ignore,
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premul_color: [0.0; 3],
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loop_count: 1,
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codec: "PNG".into(),
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missing: false,
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sequence: vec![],
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color_profile: None,
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layer: None,
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..Default::default()
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};
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p.add_item("f.png", effectcraft_color::Label::Lavender, None, effectcraft_project::ItemKind::Footage(f));
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Ok(())
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})
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.unwrap();
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let a = effectcraft_render::disk_cache::footage_salt(&s.project);
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std::fs::write(&foot, b"two, longer").unwrap();
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let b = effectcraft_render::disk_cache::footage_salt(&s.project);
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assert_ne!(a, b);
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let cid = project(&mut s);
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let k1 = effectcraft_render::disk_cache::comp_content_key(&s.project, cid);
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s.execute("prop.set", json!({"layer": "#1", "path": "transform/opacity", "value": 50})).unwrap();
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let k2 = effectcraft_render::disk_cache::comp_content_key(&s.project, cid);
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assert_ne!(k1, k2);
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// Unrelated comps do not change it.
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s.execute("comp.new", json!({"name": "Other", "width": 10, "height": 10, "frameRate": 30, "duration": 1})).unwrap();
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assert_eq!(effectcraft_render::disk_cache::comp_content_key(&s.project, cid), k2);
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}
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