Improve Thumbnail quality + fixes (#2467)

* Improve Thumbnail quality
 - Increase thumbnail size to 1024
 - Increse webp quality to 60%

* Fix thumbnails reactivity for ephemeral files

* Fix negative BigInt convertion

* Fix overflow in javascript

---------

Co-authored-by: Ericson Soares <ericson.ds999@gmail.com>

core/src/api/ephemeral_files.rs

@@ -57,7 +57,7 @@ pub(crate) fn mount() -> AlphaRouter<Ctx> {
 					.await
 					.map(Into::into);
 				match kind {
-					Some(v) if v == ObjectKind::Image => {
+					Some(ObjectKind::Image) => {
 						let Some(extension) = full_path.extension().and_then(|ext| ext.to_str())
 						else {
 							return Ok(None);

core/src/lib.rs

@@ -9,6 +9,7 @@ use crate::{
 
 #[cfg(feature = "ai")]
 use sd_ai::old_image_labeler::{DownloadModelError, OldImageLabeler, YoloV8};
+use sd_utils::error::FileIOError;
 
 use api::notifications::{Notification, NotificationData, NotificationId};
 use chrono::{DateTime, Utc};
@@ -23,7 +24,7 @@ use std::{
 };
 
 use thiserror::Error;
-use tokio::{fs, sync::broadcast};
+use tokio::{fs, io, sync::broadcast};
 use tracing::{error, info, warn};
 use tracing_appender::{
 	non_blocking::{NonBlocking, WorkerGuard},
@@ -51,6 +52,8 @@ pub(crate) mod volume;
 
 pub use env::Env;
 
+use object::media::old_thumbnail::get_ephemeral_thumbnail_path;
+
 pub(crate) use sd_core_sync as sync;
 
 /// Represents a single running instance of the Spacedrive core.
@@ -268,6 +271,16 @@ impl Node {
 		}
 	}
 
+	pub async fn ephemeral_thumbnail_exists(&self, cas_id: &str) -> Result<bool, FileIOError> {
+		let thumb_path = get_ephemeral_thumbnail_path(self, cas_id);
+
+		match fs::metadata(&thumb_path).await {
+			Ok(_) => Ok(true),
+			Err(e) if e.kind() == io::ErrorKind::NotFound => Ok(false),
+			Err(e) => Err(FileIOError::from((thumb_path, e))),
+		}
+	}
+
 	pub async fn emit_notification(&self, data: NotificationData, expires: Option<DateTime<Utc>>) {
 		let notification = Notification {
 			id: NotificationId::Node(self.notifications._internal_next_id()),

core/src/location/non_indexed.rs

@@ -223,8 +223,7 @@ pub async fn walk(
 
 						(
 							Some(get_ephemeral_thumb_key(&cas_id)),
-							library
-								.thumbnail_exists(&node, &cas_id)
+							node.ephemeral_thumbnail_exists(&cas_id)
 								.await
 								.map_err(NonIndexedLocationError::from)?,
 						)

core/src/object/media/ffmpeg_metadata_extractor.rs

@@ -249,9 +249,9 @@ pub async fn save_ffmpeg_data(
 
 async fn create_ffmpeg_data(
 	formats: Vec<String>,
-	bit_rate: (u32, u32),
-	duration: Option<(u32, u32)>,
-	start_time: Option<(u32, u32)>,
+	bit_rate: (i32, u32),
+	duration: Option<(i32, u32)>,
+	start_time: Option<(i32, u32)>,
 	metadata: Metadata,
 	object_id: i32,
 	db: &PrismaClient,

core/src/object/media/mod.rs

@@ -90,15 +90,15 @@ pub fn ffmpeg_data_from_prisma_data(
 		formats: formats.split(',').map(String::from).collect::<Vec<_>>(),
 		duration: duration.map(|duration| {
 			let duration = ffmpeg_data_field_from_db(&duration);
-			((duration >> 32) as u32, duration as u32)
+			((duration >> 32) as i32, duration as u32)
 		}),
 		start_time: start_time.map(|start_time| {
 			let start_time = ffmpeg_data_field_from_db(&start_time);
-			((start_time >> 32) as u32, start_time as u32)
+			((start_time >> 32) as i32, start_time as u32)
 		}),
 		bit_rate: {
 			let bit_rate = ffmpeg_data_field_from_db(&bit_rate);
-			((bit_rate >> 32) as u32, bit_rate as u32)
+			((bit_rate >> 32) as i32, bit_rate as u32)
 		},
 		chapters: chapters
 			.into_iter()
@@ -115,11 +115,11 @@ pub fn ffmpeg_data_from_prisma_data(
 					id: chapter_id,
 					start: {
 						let start = ffmpeg_data_field_from_db(&start);
-						((start >> 32) as u32, start as u32)
+						((start >> 32) as i32, start as u32)
 					},
 					end: {
 						let end = ffmpeg_data_field_from_db(&end);
-						((end >> 32) as u32, end as u32)
+						((end >> 32) as i32, end as u32)
 					},
 					time_base_den,
 					time_base_num,

core/src/object/media/old_thumbnail/mod.rs

@@ -42,11 +42,11 @@ const EPHEMERAL_DIR: &str = "ephemeral";
 
 /// This is the target pixel count for all thumbnails to be resized to, and it is eventually downscaled
 /// to [`TARGET_QUALITY`].
-const TARGET_PX: f32 = 262144_f32;
+const TARGET_PX: f32 = 1048576.0; // 1024x1024
 
 /// This is the target quality that we render thumbnails at, it is a float between 0-100
-/// and is treated as a percentage (so 30% in this case, or it's the same as multiplying by `0.3`).
-const TARGET_QUALITY: f32 = 30_f32;
+/// and is treated as a percentage (so 60% in this case, or it's the same as multiplying by `0.6`).
+const TARGET_QUALITY: f32 = 60.0;
 
 // Some time constants
 const ONE_SEC: Duration = Duration::from_secs(1);
@@ -63,6 +63,10 @@ pub fn get_indexed_thumbnail_path(node: &Node, cas_id: &str, library_id: Library
 	get_thumbnail_path(node, cas_id, ThumbnailKind::Indexed(library_id))
 }
 
+pub fn get_ephemeral_thumbnail_path(node: &Node, cas_id: &str) -> PathBuf {
+	get_thumbnail_path(node, cas_id, ThumbnailKind::Ephemeral)
+}
+
 /// This does not check if a thumbnail exists, it just returns the path that it would exist at
 fn get_thumbnail_path(node: &Node, cas_id: &str, kind: ThumbnailKind) -> PathBuf {
 	let mut thumb_path = node.config.data_directory();

core/src/object/media/old_thumbnail/process.rs

@@ -475,7 +475,7 @@ async fn generate_video_thumbnail(
 	to_thumbnail(
 		file_path,
 		output_path,
-		ThumbnailSize::Scale(256),
+		ThumbnailSize::Scale(1024),
 		TARGET_QUALITY,
 	)
 	.await

crates/ffmpeg/src/thumbnailer.rs

@@ -146,7 +146,7 @@ impl Default for ThumbnailerBuilder {
 	fn default() -> Self {
 		Self {
 			maintain_aspect_ratio: true,
-			size: ThumbnailSize::Scale(128),
+			size: ThumbnailSize::Scale(1024),
 			seek_percentage: 0.1,
 			quality: 80.0,
 			prefer_embedded_metadata: true,

crates/media-metadata/src/ffmpeg/chapter.rs

@@ -6,8 +6,8 @@ use super::metadata::Metadata;
 #[derive(Debug, Serialize, Deserialize, Type)]
 pub struct Chapter {
 	pub id: i32,
-	pub start: (u32, u32),
-	pub end: (u32, u32),
+	pub start: (i32, u32),
+	pub end: (i32, u32),
 	pub time_base_den: i32,
 	pub time_base_num: i32,
 	pub metadata: Metadata,

crates/media-metadata/src/ffmpeg/mod.rs

@@ -21,9 +21,9 @@ use program::Program;
 #[derive(Debug, Serialize, Deserialize, Type)]
 pub struct FFmpegMetadata {
 	pub formats: Vec<String>,
-	pub duration: Option<(u32, u32)>,
-	pub start_time: Option<(u32, u32)>,
-	pub bit_rate: (u32, u32),
+	pub duration: Option<(i32, u32)>,
+	pub start_time: Option<(i32, u32)>,
+	pub bit_rate: (i32, u32),
 	pub chapters: Vec<Chapter>,
 	pub programs: Vec<Program>,
 	pub metadata: Metadata,
@@ -70,24 +70,24 @@ mod extract_data {
 			Self {
 				formats,
 				duration: duration.map(|duration| {
-					#[allow(clippy::cast_possible_truncation)]
+					#[allow(clippy::cast_sign_loss, clippy::cast_possible_truncation)]
 					{
 						// SAFETY: We're splitting in (high, low) parts, so we're not going to lose data on truncation
-						((duration >> 32) as u32, duration as u32)
+						((duration >> 32) as i32, duration as u32)
 					}
 				}),
 				start_time: start_time.map(|start_time| {
-					#[allow(clippy::cast_possible_truncation)]
+					#[allow(clippy::cast_sign_loss, clippy::cast_possible_truncation)]
 					{
 						// SAFETY: We're splitting in (high, low) parts, so we're not going to lose data on truncation
-						((start_time >> 32) as u32, start_time as u32)
+						((start_time >> 32) as i32, start_time as u32)
 					}
 				}),
 				bit_rate: {
-					#[allow(clippy::cast_possible_truncation)]
+					#[allow(clippy::cast_sign_loss, clippy::cast_possible_truncation)]
 					{
 						// SAFETY: We're splitting in (high, low) parts, so we're not going to lose data on truncation
-						((bit_rate >> 32) as u32, bit_rate as u32)
+						((bit_rate >> 32) as i32, bit_rate as u32)
 					}
 				},
 				chapters: chapters.into_iter().map(Into::into).collect(),
@@ -118,17 +118,17 @@ mod extract_data {
 				},
 				// TODO: FIX these 2 when rspc/specta supports bigint
 				start: {
-					#[allow(clippy::cast_possible_truncation)]
+					#[allow(clippy::cast_sign_loss, clippy::cast_possible_truncation)]
 					{
 						// SAFETY: We're splitting in (high, low) parts, so we're not going to lose data on truncation
-						((start >> 32) as u32, start as u32)
+						((start >> 32) as i32, start as u32)
 					}
 				},
 				end: {
-					#[allow(clippy::cast_possible_truncation)]
+					#[allow(clippy::cast_sign_loss, clippy::cast_possible_truncation)]
 					{
 						// SAFETY: We're splitting in (high, low) parts, so we're not going to lose data on truncation
-						((end >> 32) as u32, end as u32)
+						((end >> 32) as i32, end as u32)
 					}
 				},
 				time_base_num,

packages/client/src/utils/index.ts

@@ -137,9 +137,9 @@ export function insertLibrary(queryClient: QueryClient, library: LibraryConfigWr
 	});
 }
 
-// [int32, int32] => BigInt
 export function int32ArrayToBigInt([high, low]: [number, number]) {
-	return (BigInt(high) << 32n) | BigInt(low);
+	// Note: These magic shift operations internally convert the high into i32 and the low into u32
+	return (BigInt(high | 0) << 32n) | BigInt(low >>> 0);
 }
 
 export function capitalize<T extends string>(string: T): Capitalize<T> {