File metadata storage.

The backend now knows how big images are, so the frontend can size images correctly before they're loaded.
This should significantly improve the UI on slow connections.
Also fix bug where videos weren't erased from the index properly.

.gitignore

@@ -9,3 +9,4 @@ node_modules/*
 node_modules
 *sqlite3*
 thumbtemp
+mse-test-db-small

.sqlx/query-80b42ff05db7c2ccd104f2c3e8b50803117eea987d16e403a2c6873e31200ac3.json

@@ -0,0 +1,20 @@
+{
+  "db_name": "SQLite",
+  "query": "PRAGMA user_version",
+  "describe": {
+    "columns": [
+      {
+        "name": "user_version",
+        "ordinal": 0,
+        "type_info": "Int"
+      }
+    ],
+    "parameters": {
+      "Right": 0
+    },
+    "nullable": [
+      null
+    ]
+  },
+  "hash": "80b42ff05db7c2ccd104f2c3e8b50803117eea987d16e403a2c6873e31200ac3"
+}

.sqlx/query-de6df63baa6ab4102d815e8d84bc4e14cd25c2d08ea2b2731bd640be6539edce.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "UPDATE files SET metadata = ? WHERE filename = ?",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 2
+    },
+    "nullable": []
+  },
+  "hash": "de6df63baa6ab4102d815e8d84bc4e14cd25c2d08ea2b2731bd640be6539edce"
+}

.sqlx/query-e5c8968dfb8e42d465912cde4ad8a7042dc7b6e4d5948e53a6668df7b00dee3b.json

@@ -1,12 +1,12 @@
 {
   "db_name": "SQLite",
-  "query": "INSERT OR REPLACE INTO files (filename, embedding_time, thumbnail_time) VALUES (?, ?, ?)",
+  "query": "INSERT OR REPLACE INTO files (filename, embedding_time, thumbnail_time, metadata) VALUES (?, ?, ?, ?)",
   "describe": {
     "columns": [],
     "parameters": {
-      "Right": 3
+      "Right": 4
     },
     "nullable": []
   },
-  "hash": "fccbb4262990c387079141c60a96d4e030ff82b93975f13d96539957b24f3c13"
+  "hash": "e5c8968dfb8e42d465912cde4ad8a7042dc7b6e4d5948e53a6668df7b00dee3b"
 }

.sqlx/query-ec2da4ab11ede7a9a468ff3a50c55e0f6503fddd369f2c3031f39c0759bb97a0.json

@@ -42,6 +42,11 @@
         "name": "thumbnails",
         "ordinal": 7,
         "type_info": "Blob"
+      },
+      {
+        "name": "metadata",
+        "ordinal": 8,
+        "type_info": "Blob"
       }
     ],
     "parameters": {
@@ -55,6 +60,7 @@
       true,
       true,
       true,
+      true,
       true
     ]
   },

clipfront2/src/App.svelte

@@ -137,7 +137,7 @@
     <Masonry bind:refreshLayout={refreshLayout} colWidth="minmax(Min(20em, 100%), 1fr)" items={displayedResults}>
         {#each displayedResults as result}
             {#key `${queryCounter}${result.file}`}
-                <div class="result">
+                <div class="result" style={aspectRatio(result)}>
                     <a href={util.getURL(result)}>
                         {#if util.hasFormat(results, result, "VIDEO")}
                             <video controls poster={util.hasFormat(results, result, "jpegh") ? util.thumbnailURL(results, result, "jpegh") : null} preload="metadata" on:loadstart={updateCounter} on:loadedmetadata={redrawGrid} on:loadeddata={redrawGrid}>
@@ -198,6 +198,8 @@
         return `${snd}/${fst}`
     }
 
+    const aspectRatio = result => result[4] ? `aspect-ratio: ${result[4][0]}/${result[4][1]}` : null
+
     const decodeFloat16 = uint16 => {
         const sign = (uint16 & 0x8000) ? -1 : 1
         const exponent = (uint16 & 0x7C00) >> 10

src/main.rs

@@ -58,6 +58,7 @@ lazy_static! {
 }
 
 fn function_which_returns_50() -> usize { 50 }
+fn function_which_will_return_the_integer_one_successor_of_zero_but_as_a_float() -> f32 { 1.0 }
 
 #[derive(Debug, Deserialize, Clone)]
 struct Config {
@@ -74,7 +75,9 @@ struct Config {
     #[serde(default="function_which_returns_50")]
     ocr_concurrency: usize,
     #[serde(default)]
-    no_run_server: bool
+    no_run_server: bool,
+    #[serde(default="function_which_will_return_the_integer_one_successor_of_zero_but_as_a_float")]
+    video_frame_interval: f32
 }
 
 #[derive(Debug)]
@@ -83,9 +86,11 @@ struct IIndex {
     filenames: Vec<Filename>,
     format_codes: Vec<u64>,
     format_names: Vec<String>,
+    metadata: Vec<Option<FileMetadata>>
 }
 
-const SCHEMA: &str = r#"
+const SCHEMA: &[&str] = &[
+r#"
 CREATE TABLE IF NOT EXISTS files (
     filename TEXT NOT NULL PRIMARY KEY,
     embedding_time INTEGER,
@@ -106,7 +111,17 @@ DROP TRIGGER IF EXISTS ocr_fts_upd;
 DROP TRIGGER IF EXISTS ocr_fts_ins;
 DROP TRIGGER IF EXISTS ocr_fts_del;
 DROP TABLE IF EXISTS ocr_fts;
-"#;
+"#,
+r#"
+ALTER TABLE files ADD COLUMN metadata BLOB;
+"#];
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+struct FileMetadata {
+    width: u32,
+    height: u32,
+    frames: Option<u32>
+}
 
 #[derive(Debug, sqlx::FromRow, Clone)]
 struct RawFileRecord {
@@ -119,6 +134,7 @@ struct RawFileRecord {
     ocr: Option<String>,
     raw_ocr_segments: Option<Vec<u8>>,
     thumbnails: Option<Vec<u8>>,
+    metadata: Option<Vec<u8>>
 }
 
 #[derive(Debug, Clone)]
@@ -126,7 +142,8 @@ struct FileRecord {
     filename: CompactString,
     needs_embed: bool,
     needs_ocr: bool,
-    needs_thumbnail: bool
+    needs_thumbnail: bool,
+    needs_metadata: bool
 }
 
 #[derive(Debug, Clone)]
@@ -140,14 +157,14 @@ struct WConfig {
 struct LoadedImage {
     image: Arc<DynamicImage>,
     filename: Filename,
-    original_size: Option<usize>,
+    original_filesize: Option<usize>,
     fast_thumbnails_only: bool
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, Hash)]
 enum Filename {
     Actual(CompactString),
-    VideoFrame(CompactString, u64)
+    VideoFrame(CompactString, u32)
 }
 
 // this is a somewhat horrible hack, but probably nobody has NUL bytes at the start of filenames?
@@ -226,7 +243,17 @@ async fn initialize_database(config: &Config) -> Result<SqlitePool> {
     .filename(&config.db_path)
     .create_if_missing(true);
     let pool = SqlitePool::connect_with(connection_options).await?;
-    sqlx::query(SCHEMA).execute(&pool).await?;
+    let mut tx = pool.begin().await?;
+    let version = sqlx::query_scalar!("PRAGMA user_version").fetch_one(&mut *tx).await?.unwrap();
+    for (index, sql) in SCHEMA.iter().enumerate() {
+        if (index as i32) < version {
+            continue
+        }
+        log::info!("Migrating to DB version {}", index);
+        sqlx::query(sql).execute(&mut *tx).await?;
+        sqlx::query(&format!("PRAGMA user_version = {}", index + 1)).execute(&mut *tx).await?;
+    }
+    tx.commit().await?;
     Ok(pool)
 }
 
@@ -297,6 +324,15 @@ async fn ensure_filename_record_exists(conn: &mut SqliteConnection, filename_enc
     Ok(())
 }
 
+async fn write_metadata(conn: &mut SqliteConnection, filename_enc: &Vec<u8>, metadata: FileMetadata) -> Result<()> {
+    ensure_filename_record_exists(conn, filename_enc).await?;
+    let metadata_serialized = rmp_serde::to_vec_named(&metadata)?;
+    sqlx::query!("UPDATE files SET metadata = ? WHERE filename = ?", metadata_serialized, filename_enc)
+        .execute(conn)
+        .await?;
+    Ok(())
+}
+
 async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
     let pool = initialize_database(&config.service).await?;
     let client = Client::new();
@@ -307,24 +343,26 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
     let (to_embed_tx, to_embed_rx) = mpsc::channel(config.backend.batch as usize);
     let (to_thumbnail_tx, to_thumbnail_rx) = mpsc::channel(30);
     let (to_ocr_tx, to_ocr_rx) = mpsc::channel(30);
+    let (to_metadata_write_tx, mut to_metadata_write_rx) = mpsc::channel::<(Filename, FileMetadata)>(100);
     
     let cpus = num_cpus::get();
 
-    let video_lengths = Arc::new(RwLock::new(HashMap::new()));
+    let video_meta = Arc::new(RwLock::new(HashMap::new()));
     let video_thumb_times = Arc::new(RwLock::new(HashMap::new()));
     let video_embed_times = Arc::new(RwLock::new(HashMap::new()));
 
     // Image loading and preliminary resizing
     let image_loading: JoinHandle<Result<()>> = tokio::spawn({
         let config = config.clone();
-        let video_lengths = video_lengths.clone();
+        let video_meta = video_meta.clone();
         let stream = ReceiverStream::new(to_process_rx).map(Ok);
         stream.try_for_each_concurrent(Some(cpus), move |record| {
             let config = config.clone();
             let to_embed_tx = to_embed_tx.clone();
             let to_thumbnail_tx = to_thumbnail_tx.clone();
             let to_ocr_tx = to_ocr_tx.clone();
-            let video_lengths = video_lengths.clone();
+            let video_meta = video_meta.clone();
+            let to_metadata_write_tx = to_metadata_write_tx.clone();
             async move {
                 let path = Path::new(&config.service.files).join(&*record.filename);
                 let image: Result<Arc<DynamicImage>> = tokio::task::block_in_place(|| Ok(Arc::new(ImageReader::open(&path)?.with_guessed_format()?.decode()?)));
@@ -334,56 +372,74 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
                         log::warn!("Could not read {} as image: {}", record.filename, e);
                         let filename = record.filename.clone();
                         IMAGES_LOADED_ERROR_COUNTER.inc();
-                        let video_length = tokio::task::spawn_blocking(move || -> Result<Option<u64>> {
+                        let meta = tokio::task::spawn_blocking(move || -> Result<Option<FileMetadata>> {
-                            let mut i = 0;
+                            let mut i: u32 = 0;
+                            let mut last_metadata = None;
                             let callback = |frame: RgbImage| {
                                 let frame: Arc<DynamicImage> = Arc::new(frame.into());
                                 let embed_buf = resize_for_embed_sync(config.backend.clone(), frame.clone())?;
+                                let filename = Filename::VideoFrame(filename.clone(), i);
                                 to_embed_tx.blocking_send(EmbeddingInput {
                                     image: embed_buf,
-                                    filename: Filename::VideoFrame(filename.clone(), i)
+                                    filename: filename.clone()
                                 })?;
+                                let meta = FileMetadata {
+                                    height: frame.height(),
+                                    width: frame.width(),
+                                    frames: Some(i + 1)
+                                };
+                                last_metadata = Some(meta.clone());
+                                to_metadata_write_tx.blocking_send((filename.clone(), meta))?;
                                 if config.service.enable_thumbs {
                                     to_thumbnail_tx.blocking_send(LoadedImage {
                                         image: frame.clone(),
-                                        filename: Filename::VideoFrame(filename.clone(), i),
+                                        filename,
-                                        original_size: None,
+                                        original_filesize: None,
                                         fast_thumbnails_only: true
                                     })?;
                                 }
                                 i += 1;
                                 Ok(())
                             };
-                            match video_reader::run(&path, callback) {
+                            match video_reader::run(&path, callback, config.service.video_frame_interval) {
                                 Ok(()) => {
                                     VIDEOS_LOADED_COUNTER.inc();
-                                    return anyhow::Result::Ok(Some(i))
+                                    return anyhow::Result::Ok(last_metadata)
                                 },
                                 Err(e) => {
                                     log::error!("Could not read {} as video: {}", filename, e);
                                     VIDEOS_LOADED_ERROR_COUNTER.inc();
                                 }
                             }
-                            return anyhow::Result::Ok(None)
+                            return anyhow::Result::Ok(last_metadata)
                         }).await??;
-                        if let Some(length) = video_length {
+                        if let Some(meta) = meta {
-                            video_lengths.write().await.insert(record.filename, length);
+                            video_meta.write().await.insert(record.filename, meta);
                         }
                         return Ok(())
                     }
                 };
+                let filename = Filename::Actual(record.filename);
+                if record.needs_metadata {
+                    let metadata = FileMetadata {
+                        width: image.width(),
+                        height: image.height(),
+                        frames: None
+                    };
+                    to_metadata_write_tx.send((filename.clone(), metadata)).await?;
+                }
                 IMAGES_LOADED_COUNTER.inc();
                 if record.needs_embed {
                     let resized = resize_for_embed(config.backend.clone(), image.clone()).await?;
                     
-                    to_embed_tx.send(EmbeddingInput { image: resized, filename: Filename::Actual(record.filename.clone()) }).await?
+                    to_embed_tx.send(EmbeddingInput { image: resized, filename: filename.clone() }).await?
                 }
                 if record.needs_thumbnail {
                     to_thumbnail_tx
                         .send(LoadedImage {
                             image: image.clone(),
-                            filename: Filename::Actual(record.filename.clone()),
+                            filename: filename.clone(),
-                            original_size: Some(std::fs::metadata(&path)?.len() as usize),
+                            original_filesize: Some(std::fs::metadata(&path)?.len() as usize),
                             fast_thumbnails_only: false
                         })
                         .await?;
@@ -392,8 +448,8 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
                     to_ocr_tx
                         .send(LoadedImage {
                             image,
-                            filename: Filename::Actual(record.filename.clone()),
+                            filename: filename.clone(),
-                            original_size: None,
+                            original_filesize: None,
                             fast_thumbnails_only: true
                         })
                         .await?;
@@ -403,7 +459,16 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
         })
     });
     
-    // Thumbnail generation
+    let metadata_writer: JoinHandle<Result<()>> = tokio::spawn({
+        let pool = pool.clone();
+        async move {
+            while let Some((filename, metadata)) = to_metadata_write_rx.recv().await {
+                write_metadata(&mut *pool.acquire().await?, &filename.encode()?, metadata).await?;
+            }
+            Ok(())
+        }
+    });
+    
     let thumbnail_generation: Option<JoinHandle<Result<()>>> = if config.service.enable_thumbs {
         let config = config.clone();
         let pool = pool.clone();
@@ -469,7 +534,7 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
                                 }?;
                                 buf
                             };
-                            if resized.len() < image.original_size.unwrap_or(usize::MAX) {
+                            if resized.len() < image.original_filesize.unwrap_or(usize::MAX) {
                                 generated_formats.push(format_name.clone());
                                 let thumbnail_path = Path::new(&config.service.thumbs_path).join(
                                     generate_thumbnail_filename(
@@ -510,7 +575,6 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
         None
     };
     
-    // OCR
     // TODO: save OCR errors and don't retry
     let ocr: Option<JoinHandle<Result<()>>> = if config.service.enable_ocr {
         let client = client.clone();
@@ -638,16 +702,18 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
                 filename: filename.clone(),
                 needs_embed: true,
                 needs_ocr: config.service.enable_ocr,
-                needs_thumbnail: config.service.enable_thumbs
+                needs_thumbnail: config.service.enable_thumbs,
+                needs_metadata: true
             }),
             Some(r) => {
                 let needs_embed = modtime > r.embedding_time.unwrap_or(i64::MIN);
                 let needs_ocr = modtime > r.ocr_time.unwrap_or(i64::MIN) && config.service.enable_ocr;
                 let needs_thumbnail = modtime > r.thumbnail_time.unwrap_or(i64::MIN) && config.service.enable_thumbs;
-                if needs_embed || needs_ocr || needs_thumbnail {
+                let needs_metadata = modtime > r.embedding_time.unwrap_or(i64::MIN) || r.metadata.is_none(); // we don't store metadata acquisition time so assume it happens roughly when embedding does
+                if needs_embed || needs_ocr || needs_thumbnail || needs_metadata {
                     Some(FileRecord {
                         filename: filename.clone(),
-                        needs_embed, needs_ocr, needs_thumbnail
+                        needs_embed, needs_ocr, needs_thumbnail, needs_metadata
                     })
                 } else {
                     None
@@ -666,6 +732,7 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
     drop(to_process_tx);
     
     embedding_generation.await?.context("generating embeddings")?;
+    metadata_writer.await?.context("writing metadata")?;
     
     if let Some(thumbnail_generation) = thumbnail_generation {
         thumbnail_generation.await?.context("generating thumbnails")?;
@@ -679,7 +746,7 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
     
     let stored: Vec<Vec<u8>> = sqlx::query_scalar("SELECT filename FROM files").fetch_all(&pool).await?;
     let mut tx = pool.begin().await?;
-    let video_lengths = video_lengths.read().await;
+    let video_meta = video_meta.read().await;
     for filename in stored {
         let parsed_filename = Filename::decode(filename.clone())?;
         match parsed_filename {
@@ -693,9 +760,9 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
                 }
             },
             // This might fail in some cases where for whatever reason a video is replaced with a file of the same name which is not a video. Don't do that.
-            Filename::VideoFrame(container, frame) => if !actual_filenames.contains_key(&container) {
+            Filename::VideoFrame(container, frame) => {
-                if let Some(length) = video_lengths.get(&container) {
+                // We don't necessarily have video lengths accessible, but any time a video is modified they will be available.
-                    if frame > *length {
+                if !actual_filenames.contains_key(&container) || frame > video_meta.get(&container).map(|x| x.frames.unwrap()).unwrap_or(u32::MAX) {
                     sqlx::query!("DELETE FROM files WHERE filename = ?", filename)
                         .execute(&mut *tx)
                         .await?;
@@ -703,15 +770,15 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
             }
         }
     }
-    }
 
     let video_thumb_times = video_thumb_times.read().await;
     let video_embed_times = video_embed_times.read().await;
-    for container_filename in video_lengths.keys() {
+    for (container_filename, metadata) in video_meta.iter() {
         let embed_time = video_embed_times.get(container_filename);
         let thumb_time = video_thumb_times.get(container_filename);
         let container_filename: &[u8] = container_filename.as_bytes();
-        sqlx::query!("INSERT OR REPLACE INTO files (filename, embedding_time, thumbnail_time) VALUES (?, ?, ?)", container_filename, embed_time, thumb_time)
+        let metadata = rmp_serde::to_vec_named(metadata)?;
+        sqlx::query!("INSERT OR REPLACE INTO files (filename, embedding_time, thumbnail_time, metadata) VALUES (?, ?, ?, ?)", container_filename, embed_time, thumb_time, metadata)
             .execute(&mut *tx)
             .await?;
     }
@@ -733,6 +800,7 @@ async fn build_index(config: Arc<WConfig>) -> Result<IIndex> {
         filenames: Vec::new(),
         format_codes: Vec::new(),
         format_names: Vec::new(),
+        metadata: Vec::new()
     };
 
     let count: i64 = sqlx::query_scalar("SELECT COUNT(*) FROM files")
@@ -773,6 +841,12 @@ async fn build_index(config: Arc<WConfig>) -> Result<IIndex> {
                 formats = rmp_serde::from_slice(&t)?;
             }
 
+            if let Some(m) = record.metadata {
+                index.metadata.push(Some(rmp_serde::from_slice(&m)?));
+            } else {
+                index.metadata.push(None);
+            }
+            
             for format_string in &formats {
                 let mut found = false;
                 for (i, name) in index.format_names.iter().enumerate() {
@@ -808,7 +882,7 @@ type EmbeddingVector = Vec<f32>;
 
 #[derive(Debug, Serialize)]
 struct QueryResult {
-    matches: Vec<(f32, String, String, u64)>,
+    matches: Vec<(f32, String, String, u64, Option<(u32, u32)>)>,
     formats: Vec<String>,
     extensions: HashMap<String, String>,
 }
@@ -853,7 +927,8 @@ async fn query_index(index: &IIndex, query: EmbeddingVector, k: usize, video: bo
                 distance,
                 index.filenames[id].container_filename(),
                 generate_filename_hash(&index.filenames[id as usize]).clone(),
-                index.format_codes[id]
+                index.format_codes[id],
+                index.metadata[id].as_ref().map(|x| (x.width, x.height))
             ))
         })
         .collect();
@@ -949,10 +1024,7 @@ async fn main() -> Result<()> {
     pretty_env_logger::init();
 
     let config_path = std::env::args().nth(1).expect("Missing config file path");
-    let config = serde_json::from_slice(&std::fs::read(config_path)?)?;
+    let config: Config = serde_json::from_slice(&std::fs::read(config_path)?)?;
-
-    let pool = initialize_database(&config).await?;
-    sqlx::query(SCHEMA).execute(&pool).await?;
 
     let backend = get_backend_config(&config.clip_server).await;
 

src/video_reader.rs

@@ -6,7 +6,7 @@ use ffmpeg::{codec, filter, format::{self, Pixel}, media::Type, util::frame::vid
 
 const BYTES_PER_PIXEL: usize = 3;
 
-pub fn run<P: AsRef<std::path::Path>, F: FnMut(RgbImage) -> Result<()>>(path: P, mut frame_callback: F) -> Result<()> {
+pub fn run<P: AsRef<std::path::Path>, F: FnMut(RgbImage) -> Result<()>>(path: P, mut frame_callback: F, frame_interval: f32) -> Result<()> {
     let mut ictx = format::input(&path).context("parsing video")?;
     let video = ictx.streams().best(Type::Video).context("no video stream")?;
     let video_index = video.index();
@@ -16,9 +16,17 @@ pub fn run<P: AsRef<std::path::Path>, F: FnMut(RgbImage) -> Result<()>>(path: P,
 
     let mut graph = filter::Graph::new();
     let afr = video.avg_frame_rate();
-    let afr = (((afr.0 as f32) / (afr.1 as f32)).round() as i64).max(1);
+    let afr = ((frame_interval * (afr.0 as f32) / (afr.1 as f32)).round() as i64).max(1);
+
+    // I don't actually know what this does, but in some cases it's 0/0 so "correct" for that.
+    let aspect_ratio = decoder.aspect_ratio();
+    let mut aspect_ratio = (aspect_ratio.0, aspect_ratio.1);
+    if aspect_ratio == (0, 0) {
+        aspect_ratio = (1, 1);
+    }
+
     graph.add(&filter::find("buffer").unwrap(), "in", 
-        &format!("video_size={}x{}:pix_fmt={}:time_base={}/{}:pixel_aspect={}/{}", decoder.width(), decoder.height(), decoder.format().descriptor().unwrap().name(), video.time_base().0, video.time_base().1, decoder.aspect_ratio().0, decoder.aspect_ratio().1))?;
+        &format!("video_size={}x{}:pix_fmt={}:time_base={}/{}:pixel_aspect={}/{}", decoder.width(), decoder.height(), decoder.format().descriptor().unwrap().name(), video.time_base().0, video.time_base().1, aspect_ratio.0, aspect_ratio.1))?;
     graph.add(&filter::find("buffersink").unwrap(), "out", "")?;
     // I don't know exactly where, but some of my videos apparently have the size vary throughout them.
     // This causes horrible segfaults somewhere.
@@ -75,5 +83,5 @@ fn main() -> Result<()> {
         count += 1;
         Ok(())
     };
-    run(&env::args().nth(1).unwrap(), callback)
+    run(&env::args().nth(1).unwrap(), callback, 1.0)
 }