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mirror of https://github.com/osmarks/meme-search-engine.git synced 2024-11-10 22:09:54 +00:00

Video search

This commit is contained in:
osmarks 2024-05-30 15:58:31 +01:00
parent 74d91d52e5
commit 3257521068
5 changed files with 321 additions and 132 deletions

View File

@ -0,0 +1,12 @@
{
"db_name": "SQLite",
"query": "INSERT OR REPLACE INTO files (filename, embedding_time, thumbnail_time) VALUES (?, ?, ?)",
"describe": {
"columns": [],
"parameters": {
"Right": 3
},
"nullable": []
},
"hash": "fccbb4262990c387079141c60a96d4e030ff82b93975f13d96539957b24f3c13"
}

View File

@ -67,7 +67,7 @@
border: 1px solid gray
*
display: block
.result img
.result img, .result video
width: 100%
</style>
@ -84,6 +84,7 @@
<li>Capitalization is ignored.</li>
<li>Only English is supported. Other languages might work slightly.</li>
<li>Sliders are generated from PCA on the index. The human-readable labels are approximate.</li>
<li>Want your own deployment? Use the open-source code on <a href="https://github.com/osmarks/meme-search-engine/">GitHub.</a>.</li>
</ul>
</details>
<div class="controls">
@ -138,15 +139,21 @@
{#key `${queryCounter}${result.file}`}
<div class="result">
<a href={util.getURL(result)}>
<picture>
{#if util.hasFormat(results, result, "avifl")}
<source srcset={util.thumbnailURL(results, result, "avifl") + (util.hasFormat(results, result, "avifh") ? ", " + util.thumbnailURL(results, result, "avifh") + " 2x" : "")} type="image/avif" />
{/if}
{#if util.hasFormat(results, result, "jpegl")}
<source srcset={util.thumbnailURL(results, result, "jpegl") + (util.hasFormat(results, result, "jpegh") ? ", " + util.thumbnailURL(results, result, "jpegh") + " 2x" : "")} type="image/jpeg" />
{/if}
<img src={util.getURL(result)} on:load={updateCounter} on:error={updateCounter} alt={result[1]}>
</picture>
{#if util.hasFormat(results, result, "VIDEO")}
<video controls poster={util.thumbnailURL(results, result, "jpegh")} preload="metadata" on:loadstart={updateCounter} on:loadedmetadata={redrawGrid}>
<source src={util.getURL(result)} />
</video>
{:else}
<picture>
{#if util.hasFormat(results, result, "avifl")}
<source srcset={util.thumbnailURL(results, result, "avifl") + (util.hasFormat(results, result, "avifh") ? ", " + util.thumbnailURL(results, result, "avifh") + " 2x" : "")} type="image/avif" />
{/if}
{#if util.hasFormat(results, result, "jpegl")}
<source srcset={util.thumbnailURL(results, result, "jpegl") + (util.hasFormat(results, result, "jpegh") ? ", " + util.thumbnailURL(results, result, "jpegh") + " 2x" : "")} type="image/jpeg" />
{/if}
<img src={util.getURL(result)} on:load={updateCounter} on:error={updateCounter} alt={result[1]}>
</picture>
{/if}
</a>
</div>
{/key}
@ -240,7 +247,10 @@
let displayedResults = []
const runSearch = async () => {
if (!resultPromise) {
let args = {"terms": queryTerms.filter(x => x.text !== "").map(x => ({ image: x.imageData, text: x.text, embedding: x.embedding, predefined_embedding: x.predefinedEmbedding, weight: x.weight * { "+": 1, "-": -1 }[x.sign] }))}
let args = {
"terms": queryTerms.filter(x => x.text !== "").map(x => ({ image: x.imageData, text: x.text, embedding: x.embedding, predefined_embedding: x.predefinedEmbedding, weight: x.weight * { "+": 1, "-": -1 }[x.sign] })),
"include_video": true
}
queryCounter += 1
resultPromise = util.doQuery(args).then(res => {
error = null

View File

@ -12,18 +12,20 @@ pub struct InferenceServerConfig {
pub embedding_size: usize,
}
pub fn resize_for_embed_sync<T: Borrow<DynamicImage> + Send + 'static>(config: InferenceServerConfig, image: T) -> Result<Vec<u8>> {
let new = image.borrow().resize(
config.image_size.0,
config.image_size.1,
FilterType::Lanczos3
);
let mut buf = Vec::new();
let mut csr = Cursor::new(&mut buf);
new.write_to(&mut csr, ImageFormat::Png)?;
Ok::<Vec<u8>, anyhow::Error>(buf)
}
pub async fn resize_for_embed<T: Borrow<DynamicImage> + Send + 'static>(config: InferenceServerConfig, image: T) -> Result<Vec<u8>> {
let resized = tokio::task::spawn_blocking(move || {
let new = image.borrow().resize(
config.image_size.0,
config.image_size.1,
FilterType::Lanczos3
);
let mut buf = Vec::new();
let mut csr = Cursor::new(&mut buf);
new.write_to(&mut csr, ImageFormat::Png)?;
Ok::<Vec<u8>, anyhow::Error>(buf)
}).await??;
let resized = tokio::task::spawn_blocking(move || resize_for_embed_sync(config, image)).await??;
Ok(resized)
}

View File

@ -1,3 +1,4 @@
use std::collections::HashSet;
use std::{collections::HashMap, io::Cursor};
use std::path::Path;
use std::sync::Arc;
@ -12,11 +13,15 @@ use axum::{
Router,
http::StatusCode
};
use common::resize_for_embed_sync;
use ffmpeg_the_third::device::input::video;
use image::RgbImage;
use image::{imageops::FilterType, io::Reader as ImageReader, DynamicImage, ImageFormat};
use reqwest::Client;
use serde::{Deserialize, Serialize};
use sqlx::SqliteConnection;
use sqlx::{sqlite::SqliteConnectOptions, SqlitePool};
use tokio::sync::{broadcast, mpsc};
use tokio::sync::{broadcast, mpsc, RwLock};
use tokio::task::JoinHandle;
use walkdir::WalkDir;
use base64::prelude::*;
@ -31,6 +36,7 @@ use ndarray::ArrayBase;
mod ocr;
mod common;
mod video_reader;
use crate::ocr::scan_image;
use crate::common::{InferenceServerConfig, resize_for_embed, EmbeddingRequest, get_backend_config, query_clip_server};
@ -41,6 +47,8 @@ lazy_static! {
static ref TERMS_COUNTER: IntCounterVec = register_int_counter_vec!("mse_terms", "terms used in queries, by type", &["type"]).unwrap();
static ref IMAGES_LOADED_COUNTER: IntCounter = register_int_counter!("mse_loads", "images loaded by ingest process").unwrap();
static ref IMAGES_LOADED_ERROR_COUNTER: IntCounter = register_int_counter!("mse_load_errors", "image load fails by ingest process").unwrap();
static ref VIDEOS_LOADED_COUNTER: IntCounter = register_int_counter!("mse_video_loads", "video loaded by ingest process").unwrap();
static ref VIDEOS_LOADED_ERROR_COUNTER: IntCounter = register_int_counter!("mse_video_load_errors", "video load fails by ingest process").unwrap();
static ref IMAGES_EMBEDDED_COUNTER: IntCounter = register_int_counter!("mse_embeds", "images embedded by ingest process").unwrap();
static ref IMAGES_OCRED_COUNTER: IntCounter = register_int_counter!("mse_ocrs", "images OCRed by ingest process").unwrap();
static ref IMAGES_OCRED_ERROR_COUNTER: IntCounter = register_int_counter!("mse_ocr_errors", "image OCR fails by ingest process").unwrap();
@ -72,7 +80,7 @@ struct Config {
#[derive(Debug)]
struct IIndex {
vectors: scalar_quantizer::ScalarQuantizerIndexImpl,
filenames: Vec<String>,
filenames: Vec<Filename>,
format_codes: Vec<u64>,
format_names: Vec<String>,
}
@ -89,35 +97,20 @@ CREATE TABLE IF NOT EXISTS files (
thumbnails BLOB
);
CREATE VIRTUAL TABLE IF NOT EXISTS ocr_fts USING fts5 (
filename,
ocr,
tokenize='unicode61 remove_diacritics 2',
content='files'
);
CREATE TABLE IF NOT EXISTS predefined_embeddings (
name TEXT NOT NULL PRIMARY KEY,
embedding BLOB NOT NULL
);
CREATE TRIGGER IF NOT EXISTS ocr_fts_ins AFTER INSERT ON files BEGIN
INSERT INTO ocr_fts (rowid, filename, ocr) VALUES (new.rowid, new.filename, COALESCE(new.ocr, ''));
END;
CREATE TRIGGER IF NOT EXISTS ocr_fts_del AFTER DELETE ON files BEGIN
INSERT INTO ocr_fts (ocr_fts, rowid, filename, ocr) VALUES ('delete', old.rowid, old.filename, COALESCE(old.ocr, ''));
END;
CREATE TRIGGER IF NOT EXISTS ocr_fts_upd AFTER UPDATE ON files BEGIN
INSERT INTO ocr_fts (ocr_fts, rowid, filename, ocr) VALUES ('delete', old.rowid, old.filename, COALESCE(old.ocr, ''));
INSERT INTO ocr_fts (rowid, filename, ocr) VALUES (new.rowid, new.filename, COALESCE(new.ocr, ''));
END;
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;
"#;
#[derive(Debug, sqlx::FromRow, Clone, Default)]
struct FileRecord {
filename: String,
#[derive(Debug, sqlx::FromRow, Clone)]
struct RawFileRecord {
filename: Vec<u8>,
embedding_time: Option<i64>,
ocr_time: Option<i64>,
thumbnail_time: Option<i64>,
@ -128,6 +121,14 @@ struct FileRecord {
thumbnails: Option<Vec<u8>>,
}
#[derive(Debug, Clone)]
struct FileRecord {
filename: String,
needs_embed: bool,
needs_ocr: bool,
needs_thumbnail: bool
}
#[derive(Debug, Clone)]
struct WConfig {
backend: InferenceServerConfig,
@ -138,14 +139,49 @@ struct WConfig {
#[derive(Debug)]
struct LoadedImage {
image: Arc<DynamicImage>,
filename: String,
original_size: usize,
filename: Filename,
original_size: Option<usize>,
fast_thumbnails_only: bool
}
#[derive(Debug, Clone, Serialize, Deserialize, Hash)]
enum Filename {
Actual(String),
VideoFrame(String, u64)
}
// this is a somewhat horrible hack, but probably nobody has NUL bytes at the start of filenames?
impl Filename {
fn decode(buf: Vec<u8>) -> Result<Self> {
Ok(match buf.strip_prefix(&[0]) {
Some(remainder) => rmp_serde::from_read(&*remainder)?,
None => Filename::Actual(String::from_utf8(buf)?.to_string())
})
}
fn encode(&self) -> Result<Vec<u8>> {
match self {
Self::Actual(s) => Ok(s.to_string().into_bytes()),
x => {
let mut out = rmp_serde::to_vec(x).context("should not happen")?;
out.insert(0, 0);
Ok(out)
}
}
}
fn container_filename(&self) -> String {
match self {
Self::Actual(s) => s.to_string(),
Self::VideoFrame(s, _) => s.to_string()
}
}
}
#[derive(Debug)]
struct EmbeddingInput {
image: Vec<u8>,
filename: String,
filename: Filename,
}
fn timestamp() -> i64 {
@ -155,21 +191,25 @@ fn timestamp() -> i64 {
#[derive(Debug, Clone)]
struct ImageFormatConfig {
target_width: u32,
target_filesize: u32,
target_filesize: usize,
quality: u8,
format: ImageFormat,
extension: String,
is_fast: bool
}
fn generate_filename_hash(filename: &str) -> String {
fn generate_filename_hash(filename: &Filename) -> String {
use std::hash::{Hash, Hasher};
let mut hasher = fnv::FnvHasher::default();
filename.hash(&mut hasher);
match filename {
Filename::Actual(x) => x.hash(&mut hasher),
_ => filename.hash(&mut hasher)
};
BASE64_URL_SAFE_NO_PAD.encode(hasher.finish().to_le_bytes())
}
fn generate_thumbnail_filename(
filename: &str,
filename: &Filename,
format_name: &str,
format_config: &ImageFormatConfig,
) -> String {
@ -200,6 +240,7 @@ fn image_formats(_config: &Config) -> HashMap<String, ImageFormatConfig> {
quality: 70,
format: ImageFormat::Jpeg,
extension: "jpg".to_string(),
is_fast: true
},
);
formats.insert(
@ -210,6 +251,7 @@ fn image_formats(_config: &Config) -> HashMap<String, ImageFormatConfig> {
quality: 80,
format: ImageFormat::Jpeg,
extension: "jpg".to_string(),
is_fast: true
},
);
formats.insert(
@ -220,6 +262,7 @@ fn image_formats(_config: &Config) -> HashMap<String, ImageFormatConfig> {
quality: 0,
format: ImageFormat::Jpeg,
extension: "jpg".to_string(),
is_fast: false
},
);
formats.insert(
@ -230,6 +273,7 @@ fn image_formats(_config: &Config) -> HashMap<String, ImageFormatConfig> {
quality: 80,
format: ImageFormat::Avif,
extension: "avif".to_string(),
is_fast: false
},
);
formats.insert(
@ -240,11 +284,19 @@ fn image_formats(_config: &Config) -> HashMap<String, ImageFormatConfig> {
quality: 70,
format: ImageFormat::Avif,
extension: "avif".to_string(),
is_fast: false
},
);
formats
}
async fn ensure_filename_record_exists(conn: &mut SqliteConnection, filename_enc: &Vec<u8>) -> Result<()> {
sqlx::query!("INSERT OR IGNORE INTO files (filename) VALUES (?)", 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();
@ -258,47 +310,89 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
let cpus = num_cpus::get();
let video_lengths = 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 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();
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()?)));
let image = match image {
Ok(image) => image,
Err(e) => {
log::error!("Could not read {}: {}", record.filename, e);
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 mut i = 0;
let callback = |frame: RgbImage| {
let frame: Arc<DynamicImage> = Arc::new(frame.into());
let embed_buf = resize_for_embed_sync(config.backend.clone(), frame.clone())?;
to_embed_tx.blocking_send(EmbeddingInput {
image: embed_buf,
filename: Filename::VideoFrame(filename.clone(), i)
})?;
to_thumbnail_tx.blocking_send(LoadedImage {
image: frame.clone(),
filename: Filename::VideoFrame(filename.clone(), i),
original_size: None,
fast_thumbnails_only: true
})?;
i += 1;
Ok(())
};
match video_reader::run(&path, callback) {
Ok(()) => {
VIDEOS_LOADED_COUNTER.inc();
return anyhow::Result::Ok(Some(i))
},
Err(e) => {
log::error!("Could not read {} as video: {}", filename, e);
VIDEOS_LOADED_ERROR_COUNTER.inc();
}
}
return anyhow::Result::Ok(None)
}).await??;
if let Some(length) = video_length {
video_lengths.write().await.insert(record.filename, length);
}
return Ok(())
}
};
IMAGES_LOADED_COUNTER.inc();
if record.embedding.is_none() {
if record.needs_embed {
let resized = resize_for_embed(config.backend.clone(), image.clone()).await?;
to_embed_tx.send(EmbeddingInput { image: resized, filename: record.filename.clone() }).await?
to_embed_tx.send(EmbeddingInput { image: resized, filename: Filename::Actual(record.filename.clone()) }).await?
}
if record.thumbnails.is_none() && config.service.enable_thumbs {
if record.needs_thumbnail {
to_thumbnail_tx
.send(LoadedImage {
image: image.clone(),
filename: record.filename.clone(),
original_size: std::fs::metadata(&path)?.len() as usize,
filename: Filename::Actual(record.filename.clone()),
original_size: Some(std::fs::metadata(&path)?.len() as usize),
fast_thumbnails_only: false
})
.await?;
}
if record.raw_ocr_segments.is_none() && config.service.enable_ocr {
if record.needs_ocr {
to_ocr_tx
.send(LoadedImage {
image,
filename: record.filename.clone(),
original_size: 0,
filename: Filename::Actual(record.filename.clone()),
original_size: None,
fast_thumbnails_only: true
})
.await?;
}
@ -313,6 +407,7 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
let pool = pool.clone();
let stream = ReceiverStream::new(to_thumbnail_rx).map(Ok);
let formats = Arc::new(formats);
let video_thumb_times = video_thumb_times.clone();
Some(tokio::spawn({
stream.try_for_each_concurrent(Some(cpus), move |image| {
use image::codecs::*;
@ -320,13 +415,15 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
let formats = formats.clone();
let config = config.clone();
let pool = pool.clone();
let video_thumb_times = video_thumb_times.clone();
async move {
let filename = image.filename.clone();
log::debug!("thumbnailing {}", filename);
log::debug!("thumbnailing {:?}", filename);
let generated_formats = tokio::task::spawn_blocking(move || {
let mut generated_formats = Vec::new();
let rgb = DynamicImage::from(image.image.to_rgb8());
for (format_name, format_config) in &*formats {
if !format_config.is_fast && image.fast_thumbnails_only { continue }
let resized = if format_config.target_filesize != 0 {
let mut lb = 1;
let mut ub = 100;
@ -345,7 +442,7 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
ImageFormat::Jpeg => thumbnail.write_with_encoder(jpeg::JpegEncoder::new_with_quality(&mut csr, quality)),
_ => unimplemented!()
}?;
if buf.len() > image.original_size {
if buf.len() > format_config.target_filesize {
ub = quality;
} else {
lb = quality + 1;
@ -370,7 +467,7 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
}?;
buf
};
if resized.len() < image.original_size {
if resized.len() < image.original_size.unwrap_or(usize::MAX) {
generated_formats.push(format_name.clone());
let thumbnail_path = Path::new(&config.service.thumbs_path).join(
generate_thumbnail_filename(
@ -388,13 +485,20 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
IMAGES_THUMBNAILED_COUNTER.inc();
let formats_data = rmp_serde::to_vec(&generated_formats)?;
let ts = timestamp();
let filename_enc = filename.encode()?;
let mut conn = pool.acquire().await?;
ensure_filename_record_exists(&mut conn, &filename_enc).await?;
match filename {
Filename::VideoFrame(container, _) => { video_thumb_times.write().await.insert(container.to_string(), timestamp()); },
_ => ()
}
sqlx::query!(
"UPDATE files SET thumbnails = ?, thumbnail_time = ? WHERE filename = ?",
formats_data,
ts,
filename
filename_enc
)
.execute(&pool)
.execute(&mut *conn)
.await?;
Ok(())
}
@ -405,6 +509,7 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
};
// OCR
// TODO: save OCR errors and don't retry
let ocr: Option<JoinHandle<Result<()>>> = if config.service.enable_ocr {
let client = client.clone();
let pool = pool.clone();
@ -414,12 +519,12 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
let client = client.clone();
let pool = pool.clone();
async move {
log::debug!("OCRing {}", image.filename);
log::debug!("OCRing {:?}", image.filename);
let scan = match scan_image(&client, &image.image).await {
Ok(scan) => scan,
Err(e) => {
IMAGES_OCRED_ERROR_COUNTER.inc();
log::error!("OCR failure {}: {}", image.filename, e);
log::error!("OCR failure {:?}: {}", image.filename, e);
return Ok(())
}
};
@ -431,14 +536,17 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
.join("\n");
let ocr_data = rmp_serde::to_vec(&scan)?;
let ts = timestamp();
let filename_enc = image.filename.encode()?;
let mut conn = pool.acquire().await?;
ensure_filename_record_exists(&mut conn, &filename_enc).await?;
sqlx::query!(
"UPDATE files SET ocr = ?, raw_ocr_segments = ?, ocr_time = ? WHERE filename = ?",
ocr_text,
ocr_data,
ts,
image.filename
filename_enc
)
.execute(&pool)
.execute(&mut *conn)
.await?;
Ok(())
}
@ -453,11 +561,13 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
let client = client.clone();
let config = config.clone();
let pool = pool.clone();
let video_embed_times = video_embed_times.clone();
// keep multiple embedding requests in flight
stream.map(Ok).try_for_each_concurrent(Some(3), move |batch| {
let client = client.clone();
let config = config.clone();
let pool = pool.clone();
let video_embed_times = video_embed_times.clone();
async move {
let result: Vec<serde_bytes::ByteBuf> = query_clip_server(
&client,
@ -472,13 +582,19 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
let ts = timestamp();
for (i, vector) in result.into_iter().enumerate() {
let vector = vector.into_vec();
log::debug!("embedded {}", batch[i].filename);
log::debug!("embedded {:?}", batch[i].filename);
let encoded_filename = batch[i].filename.encode()?;
IMAGES_EMBEDDED_COUNTER.inc();
ensure_filename_record_exists(&mut *tx, &encoded_filename).await?;
match &batch[i].filename {
Filename::VideoFrame(container, _) => { video_embed_times.write().await.insert(container.to_string(), timestamp()); },
_ => ()
}
sqlx::query!(
"UPDATE files SET embedding_time = ?, embedding = ? WHERE filename = ?",
ts,
vector,
batch[i].filename
encoded_filename
)
.execute(&mut *tx)
.await?;
@ -489,7 +605,7 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
})
});
let mut filenames = HashMap::new();
let mut actual_filenames = HashMap::new();
// blocking OS calls
tokio::task::block_in_place(|| -> anyhow::Result<()> {
@ -500,7 +616,7 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
let filename = path.strip_prefix(&config.service.files)?.to_str().unwrap().to_string();
let modtime = entry.metadata()?.modified()?.duration_since(std::time::UNIX_EPOCH)?;
let modtime = modtime.as_micros() as i64;
filenames.insert(filename.clone(), (path.to_path_buf(), modtime));
actual_filenames.insert(filename.clone(), (path.to_path_buf(), modtime));
}
}
Ok(())
@ -508,36 +624,35 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
log::debug!("finished reading filenames");
for (filename, (_path, modtime)) in filenames.iter() {
for (filename, (_path, modtime)) in actual_filenames.iter() {
let modtime = *modtime;
let record = sqlx::query_as!(FileRecord, "SELECT * FROM files WHERE filename = ?", filename)
let record = sqlx::query_as!(RawFileRecord, "SELECT * FROM files WHERE filename = ?", filename)
.fetch_optional(&pool)
.await?;
let new_record = match record {
None => Some(FileRecord {
filename: filename.clone(),
..Default::default()
needs_embed: true,
needs_ocr: true,
needs_thumbnail: true
}),
Some(r) if modtime > r.embedding_time.unwrap_or(i64::MIN) || (modtime > r.ocr_time.unwrap_or(i64::MIN) && config.service.enable_ocr) || (modtime > r.thumbnail_time.unwrap_or(i64::MIN) && config.service.enable_thumbs) => {
Some(r)
},
_ => None
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 {
Some(FileRecord {
filename: filename.clone(),
needs_embed, needs_ocr, needs_thumbnail
})
} else {
None
}
}
};
if let Some(mut record) = new_record {
if let Some(record) = new_record {
log::debug!("processing {}", record.filename);
sqlx::query!("INSERT OR IGNORE INTO files (filename) VALUES (?)", filename)
.execute(&pool)
.await?;
if modtime > record.embedding_time.unwrap_or(i64::MIN) {
record.embedding = None;
}
if modtime > record.ocr_time.unwrap_or(i64::MIN) {
record.raw_ocr_segments = None;
}
if modtime > record.thumbnail_time.unwrap_or(i64::MIN) {
record.thumbnails = None;
}
// we need to exit here to actually capture the error
if !to_process_tx.send(record).await.is_ok() {
break
@ -559,18 +674,43 @@ async fn ingest_files(config: Arc<WConfig>) -> Result<()> {
image_loading.await?.context("loading images")?;
let stored: Vec<String> = sqlx::query_scalar("SELECT filename FROM files").fetch_all(&pool).await?;
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;
for filename in stored {
if !filenames.contains_key(&filename) {
sqlx::query!("DELETE FROM files WHERE filename = ?", filename)
.execute(&mut *tx)
.await?;
let parsed_filename = Filename::decode(filename.clone())?;
match parsed_filename {
Filename::Actual(s) => if !actual_filenames.contains_key(&s) {
sqlx::query!("DELETE FROM files WHERE filename = ?", s)
.execute(&mut *tx)
.await?;
},
// 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) {
if let Some(length) = video_lengths.get(&container) {
if frame > *length {
sqlx::query!("DELETE FROM files WHERE filename = ?", filename)
.execute(&mut *tx)
.await?;
}
}
}
}
}
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() {
let embed_time = video_embed_times.get(container_filename);
let thumb_time = video_thumb_times.get(container_filename);
sqlx::query!("INSERT OR REPLACE INTO files (filename, embedding_time, thumbnail_time) VALUES (?, ?, ?)", container_filename, embed_time, thumb_time)
.execute(&mut *tx)
.await?;
}
tx.commit().await?;
log::info!("ingest done");
log::info!("Ingest done");
Result::Ok(())
}
@ -595,11 +735,20 @@ async fn build_index(config: Arc<WConfig>) -> Result<IIndex> {
index.format_codes = Vec::with_capacity(count as usize);
let mut buffer = Vec::with_capacity(INDEX_ADD_BATCH * config.backend.embedding_size as usize);
index.format_names = Vec::with_capacity(5);
index.format_names.push(String::from("VIDEO"));
let video_format_code = 1<<0;
let mut rows = sqlx::query_as::<_, FileRecord>("SELECT * FROM files").fetch(&pool);
let mut rows = sqlx::query_as::<_, RawFileRecord>("SELECT * FROM files").fetch(&pool);
while let Some(record) = rows.try_next().await? {
if let Some(emb) = record.embedding {
index.filenames.push(record.filename);
let parsed = Filename::decode(record.filename)?;
let mut format_code = match parsed {
Filename::VideoFrame(_, _) => video_format_code,
_ => 0
};
index.filenames.push(parsed);
for i in (0..emb.len()).step_by(2) {
buffer.push(
half::f16::from_le_bytes([emb[i], emb[i + 1]])
@ -615,8 +764,7 @@ async fn build_index(config: Arc<WConfig>) -> Result<IIndex> {
if let Some(t) = record.thumbnails {
formats = rmp_serde::from_slice(&t)?;
}
let mut format_code = 0;
for format_string in &formats {
let mut found = false;
for (i, name) in index.format_names.iter().enumerate() {
@ -670,19 +818,32 @@ struct QueryTerm {
struct QueryRequest {
terms: Vec<QueryTerm>,
k: Option<usize>,
#[serde(default)]
include_video: bool
}
async fn query_index(index: &IIndex, query: EmbeddingVector, k: usize) -> Result<QueryResult> {
async fn query_index(index: &IIndex, query: EmbeddingVector, k: usize, video: bool) -> Result<QueryResult> {
let result = index.vectors.search(&query, k as usize)?;
let mut seen_videos = HashSet::new();
let items = result.distances
.into_iter()
.zip(result.labels)
.filter_map(|(distance, id)| {
let id = id.get()? as usize;
match (video, &index.filenames[id]) {
(_, Filename::Actual(_)) => (),
(false, Filename::VideoFrame(_, _)) => return None,
(true, Filename::VideoFrame(container, _)) => {
if !seen_videos.insert(container) {
return None
}
}
}
Some((
distance,
index.filenames[id].clone(),
index.filenames[id].container_filename(),
generate_filename_hash(&index.filenames[id as usize]).clone(),
index.format_codes[id]
))
@ -755,7 +916,7 @@ async fn handle_request(config: Arc<WConfig>, client: Arc<Client>, index: &IInde
}
let k = req.k.unwrap_or(1000);
let qres = query_index(index, total_embedding.to_vec(), k).await?;
let qres = query_index(index, total_embedding.to_vec(), k, req.include_video).await?;
let mut extensions = HashMap::new();
for (k, v) in image_formats(&config.service) {
@ -828,6 +989,7 @@ async fn main() -> Result<()> {
Ok(new_index) => {
LAST_INDEX_SIZE.set(new_index.vectors.ntotal() as i64);
*index.write().await = new_index;
log::info!("Index loaded");
}
Err(e) => {
log::error!("Index build failed: {:?}", e);

View File

@ -2,10 +2,12 @@ extern crate ffmpeg_the_third as ffmpeg;
use anyhow::{Result, Context};
use image::RgbImage;
use std::env;
use ffmpeg::{codec, filter, format::{self, Pixel}, media::Type, software::scaling, util::frame::video::Video};
use ffmpeg::{codec, filter, format::{self, Pixel}, media::Type, util::frame::video::Video};
fn main() -> Result<()> {
let mut ictx = format::input(&env::args().nth(1).unwrap()).context("parsing video")?;
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<()> {
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();
@ -15,31 +17,18 @@ fn main() -> Result<()> {
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);
// passing in the actual timebase breaks something, and the thumbnail filter should not need it
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))?;
graph.add(&filter::find("buffersink").unwrap(), "out", "")?;
graph.output("in", 0)?.input("out", 0)?.parse(&format!("[in] thumbnail=n={} [thumbs]; [thumbs] select='gt(scene,0.05)+eq(n,0)' [out]", afr)).context("filtergraph parse failed")?;
graph.output("in", 0)?.input("out", 0)?.parse(&format!("[in] thumbnail=n={}:log=verbose [thumbs]; [thumbs] select='gt(scene,0.05)+eq(n,0)' [out]", afr)).context("filtergraph parse failed")?;
let mut out = graph.get("out").unwrap();
out.set_pixel_format(decoder.format());
out.set_pixel_format(Pixel::RGB24);
graph.validate().context("filtergraph build failed")?;
let mut scaler = scaling::Context::get(
decoder.format(),
decoder.width(),
decoder.height(),
Pixel::RGB24,
384,
384,
scaling::Flags::LANCZOS,
)?;
let mut count = 0;
let mut receive_and_process_decoded_frames = |decoder: &mut ffmpeg::decoder::Video, filter_graph: &mut filter::Graph| -> Result<()> {
let mut decoded = Video::empty();
let mut filtered = Video::empty();
let mut rgb_frame = Video::empty();
loop {
if !decoder.receive_frame(&mut decoded).is_ok() { break }
@ -48,11 +37,15 @@ fn main() -> Result<()> {
src.add(&decoded).context("add frame")?;
while filter_graph.get("out").unwrap().sink().frame(&mut filtered).is_ok() {
scaler.run(&filtered, &mut rgb_frame).context("scaler")?;
println!("frame gotten {}x{} {:?} {}", rgb_frame.width(), rgb_frame.height(), rgb_frame.data(0).len(), count);
let image = RgbImage::from_vec(rgb_frame.width(), rgb_frame.height(), rgb_frame.data(0).to_vec()).unwrap(); // unfortunately, we have to copy
image.save(format!("/tmp/output-{}.png", count))?;
count += 1;
let mut image = vec![0u8; filtered.width() as usize * filtered.height() as usize * BYTES_PER_PIXEL];
let stride = filtered.stride(0);
let data = filtered.data(0);
let width = filtered.width() as usize * BYTES_PER_PIXEL;
let height = filtered.height() as usize;
for y in 0..height {
image[y * width .. (y + 1) * width].copy_from_slice(&data[y * stride .. y * stride + width]);
}
frame_callback(image::ImageBuffer::from_vec(filtered.width(), filtered.height(), image).unwrap())?;
}
}
Ok(())
@ -61,11 +54,21 @@ fn main() -> Result<()> {
for (stream, packet) in ictx.packets().filter_map(Result::ok) {
if stream.index() == video_index {
decoder.send_packet(&packet).context("decoder")?;
receive_and_process_decoded_frames(&mut decoder, &mut graph).context("processing")?;
receive_and_process_decoded_frames(&mut decoder, &mut graph).context("processing frame")?;
}
}
decoder.send_eof()?;
receive_and_process_decoded_frames(&mut decoder, &mut graph)?;
Ok(())
}
fn main() -> Result<()> {
let mut count = 0;
let callback = |frame: RgbImage| {
frame.save(format!("/tmp/output-{}.png", count))?;
count += 1;
Ok(())
};
run(&env::args().nth(1).unwrap(), callback)
}