Add ffprobe for details inspection - vastly improve video detection speed

src/config/primitives.rs

@@ -110,8 +110,8 @@ pub(crate) enum Store {
 }
 
 impl ImageFormat {
-    pub(crate) fn as_hint(self) -> Option<ValidInputType> {
-        Some(ValidInputType::from_format(self))
+    pub(crate) fn as_hint(self) -> ValidInputType {
+        ValidInputType::from_format(self)
     }
 
     pub(crate) fn as_magick_format(self) -> &'static str {

src/details.rs

@@ -24,11 +24,18 @@ impl Details {
     }
 
     #[tracing::instrument("Details from bytes", skip(input))]
-    pub(crate) async fn from_bytes(
-        input: web::Bytes,
-        hint: Option<ValidInputType>,
-    ) -> Result<Self, Error> {
-        let details = crate::magick::details_bytes(input, hint).await?;
+    pub(crate) async fn from_bytes(input: web::Bytes, hint: ValidInputType) -> Result<Self, Error> {
+        let details = if hint.is_video() {
+            crate::ffmpeg::details_bytes(input.clone()).await?
+        } else {
+            None
+        };
+
+        let details = if let Some(details) = details {
+            details
+        } else {
+            crate::magick::details_bytes(input, Some(hint)).await?
+        };
 
         Ok(Details::now(
             details.width,
@@ -44,7 +51,17 @@ impl Details {
         identifier: S::Identifier,
         expected_format: Option<ValidInputType>,
     ) -> Result<Self, Error> {
-        let details = crate::magick::details_store(store, identifier, expected_format).await?;
+        let details = if expected_format.map(|t| t.is_video()).unwrap_or(true) {
+            crate::ffmpeg::details_store(&store, &identifier).await?
+        } else {
+            None
+        };
+
+        let details = if let Some(details) = details {
+            details
+        } else {
+            crate::magick::details_store(store, identifier, expected_format).await?
+        };
 
         Ok(Details::now(
             details.width,
@@ -54,7 +71,12 @@ impl Details {
         ))
     }
 
-    pub(crate) fn now(width: usize, height: usize, content_type: mime::Mime, frames: Option<usize>) -> Self {
+    pub(crate) fn now(
+        width: usize,
+        height: usize,
+        content_type: mime::Mime,
+        frames: Option<usize>,
+    ) -> Self {
         Details {
             width,
             height,

src/ffmpeg.rs

@@ -1,8 +1,8 @@
 use crate::{
     error::{Error, UploadError},
+    magick::{Details, ValidInputType},
     process::Process,
     store::Store,
-    magick::ValidInputType,
 };
 use actix_web::web::Bytes;
 use tokio::io::{AsyncRead, AsyncReadExt};
@@ -30,11 +30,11 @@ impl InputFormat {
         }
     }
 
-    pub(crate) fn to_valid_input_type(self) -> ValidInputType {
+    fn to_mime(self) -> mime::Mime {
         match self {
-            Self::Gif => ValidInputType::Gif,
-            Self::Mp4 => ValidInputType::Mp4,
-            Self::Webm => ValidInputType::Webm,
+            Self::Gif => mime::IMAGE_GIF,
+            Self::Mp4 => crate::magick::video_mp4(),
+            Self::Webm => crate::magick::video_webm(),
         }
     }
 }
@@ -67,9 +67,53 @@ const FORMAT_MAPPINGS: &[(&str, InputFormat)] = &[
     ("webm", InputFormat::Webm),
 ];
 
-pub(crate) async fn input_type_bytes(
-    input: Bytes,
-) -> Result<Option<InputFormat>, Error> {
+pub(crate) async fn input_type_bytes(input: Bytes) -> Result<Option<ValidInputType>, Error> {
+    if let Some(details) = details_bytes(input).await? {
+        return Ok(Some(details.validate_input()?));
+    }
+
+    Ok(None)
+}
+
+pub(crate) async fn details_store<S: Store>(
+    store: &S,
+    identifier: &S::Identifier,
+) -> Result<Option<Details>, Error> {
+    let input_file = crate::tmp_file::tmp_file(None);
+    let input_file_str = input_file.to_str().ok_or(UploadError::Path)?;
+    crate::store::file_store::safe_create_parent(&input_file).await?;
+
+    let mut tmp_one = crate::file::File::create(&input_file).await?;
+    tmp_one
+        .write_from_stream(store.to_stream(&identifier, None, None).await?)
+        .await?;
+    tmp_one.close().await?;
+
+    let process = Process::run(
+        "ffprobe",
+        &[
+            "-v",
+            "quiet",
+            "-select_streams",
+            "v:0",
+            "-count_frames",
+            "-show_entries",
+            "stream=width,height,nb_read_frames:format=format_name",
+            "-of",
+            "default=noprint_wrappers=1:nokey=1",
+            input_file_str,
+        ],
+    )?;
+
+    let mut output = Vec::new();
+    process.read().read_to_end(&mut output).await?;
+    let output = String::from_utf8_lossy(&output);
+    tokio::fs::remove_file(input_file_str).await?;
+
+    parse_details(output)
+}
+
+pub(crate) async fn details_bytes(input: Bytes) -> Result<Option<Details>, Error> {
     let input_file = crate::tmp_file::tmp_file(None);
     let input_file_str = input_file.to_str().ok_or(UploadError::Path)?;
     crate::store::file_store::safe_create_parent(&input_file).await?;
@@ -78,31 +122,82 @@ pub(crate) async fn input_type_bytes(
     tmp_one.write_from_bytes(input).await?;
     tmp_one.close().await?;
 
-    let process = Process::run("ffprobe", &[
+    let process = Process::run(
+        "ffprobe",
+        &[
             "-v",
             "quiet",
+            "-select_streams",
+            "v:0",
+            "-count_frames",
             "-show_entries",
-            "format=format_name",
+            "stream=width,height,nb_read_frames:format=format_name",
             "-of",
             "default=noprint_wrappers=1:nokey=1",
             input_file_str,
-        ])?;
+        ],
+    )?;
 
     let mut output = Vec::new();
     process.read().read_to_end(&mut output).await?;
-    let formats = String::from_utf8_lossy(&output);
+    let output = String::from_utf8_lossy(&output);
+    tokio::fs::remove_file(input_file_str).await?;
 
-    tracing::info!("FORMATS: {}", formats);
+    parse_details(output)
+}
+
+fn parse_details(output: std::borrow::Cow<'_, str>) -> Result<Option<Details>, Error> {
+    tracing::info!("OUTPUT: {}", output);
+
+    let mut lines = output.lines();
+
+    let width = match lines.next() {
+        Some(line) => line,
+        None => return Ok(None),
+    };
+
+    let height = match lines.next() {
+        Some(line) => line,
+        None => return Ok(None),
+    };
+
+    let frames = match lines.next() {
+        Some(line) => line,
+        None => return Ok(None),
+    };
+
+    let formats = match lines.next() {
+        Some(line) => line,
+        None => return Ok(None),
+    };
 
     for (k, v) in FORMAT_MAPPINGS {
         if formats.contains(k) {
-            return Ok(Some(*v))
+            return Ok(Some(parse_details_inner(width, height, frames, *v)?));
         }
     }
 
     Ok(None)
 }
 
+fn parse_details_inner(
+    width: &str,
+    height: &str,
+    frames: &str,
+    format: InputFormat,
+) -> Result<Details, Error> {
+    let width = width.parse().map_err(|_| UploadError::UnsupportedFormat)?;
+    let height = height.parse().map_err(|_| UploadError::UnsupportedFormat)?;
+    let frames = frames.parse().map_err(|_| UploadError::UnsupportedFormat)?;
+
+    Ok(Details {
+        mime_type: format.to_mime(),
+        width,
+        height,
+        frames: Some(frames),
+    })
+}
+
 #[tracing::instrument(name = "Convert to Mp4", skip(input))]
 pub(crate) async fn to_mp4_bytes(
     input: Bytes,
@@ -122,7 +217,9 @@ pub(crate) async fn to_mp4_bytes(
     tmp_one.close().await?;
 
     let process = if permit_audio {
-        Process::run("ffmpeg", &[
+        Process::run(
+            "ffmpeg",
+            &[
                 "-i",
                 input_file_str,
                 "-pix_fmt",
@@ -136,9 +233,12 @@ pub(crate) async fn to_mp4_bytes(
                 "-f",
                 "mp4",
                 output_file_str,
-        ])?
+            ],
+        )?
     } else {
-        Process::run("ffmpeg", &[
+        Process::run(
+            "ffmpeg",
+            &[
                 "-i",
                 input_file_str,
                 "-pix_fmt",
@@ -151,7 +251,8 @@ pub(crate) async fn to_mp4_bytes(
                 "-f",
                 "mp4",
                 output_file_str,
-        ])?
+            ],
+        )?
     };
 
     process.wait().await?;

src/magick.rs

@@ -27,11 +27,11 @@ fn image_webp() -> mime::Mime {
     "image/webp".parse().unwrap()
 }
 
-fn video_mp4() -> mime::Mime {
+pub(crate) fn video_mp4() -> mime::Mime {
     "video/mp4".parse().unwrap()
 }
 
-fn video_webm() -> mime::Mime {
+pub(crate) fn video_webm() -> mime::Mime {
     "video/webm".parse().unwrap()
 }
 
@@ -68,6 +68,13 @@ impl ValidInputType {
         }
     }
 
+    pub(crate) fn is_video(self) -> bool {
+        match self {
+            Self::Mp4 | Self::Webm | Self::Gif => true,
+            _ => false,
+        }
+    }
+
     fn video_hint(self) -> Option<&'static str> {
         match self {
             Self::Mp4 => Some(".mp4"),
@@ -275,11 +282,7 @@ fn parse_details(s: std::borrow::Cow<'_, str>) -> Result<Details, Error> {
         mime_type,
         width,
         height,
-        frames: if frames > 1 {
-            Some(frames)
-        } else {
-            None
-        },
+        frames: if frames > 1 { Some(frames) } else { None },
     })
 }
 
@@ -322,7 +325,7 @@ pub(crate) fn process_image_async_read<A: AsyncRead + Unpin + 'static>(
 
 impl Details {
     #[instrument(name = "Validating input type")]
-    fn validate_input(&self) -> Result<ValidInputType, Error> {
+    pub(crate) fn validate_input(&self) -> Result<ValidInputType, Error> {
         if self.width > crate::CONFIG.media.max_width
             || self.height > crate::CONFIG.media.max_height
             || self.width * self.height > crate::CONFIG.media.max_area

src/process.rs

@@ -4,12 +4,12 @@ use actix_web::web::Bytes;
 use std::{
     future::Future,
     pin::Pin,
-    process::{Stdio},
+    process::Stdio,
     task::{Context, Poll},
 };
 use tokio::{
     io::{AsyncRead, AsyncWriteExt, ReadBuf},
-    process::{Child, Command, ChildStdin},
+    process::{Child, ChildStdin, Command},
     sync::oneshot::{channel, Receiver},
 };
 use tracing::{Instrument, Span};
@@ -83,7 +83,11 @@ impl Process {
         self,
         mut async_read: A,
     ) -> impl AsyncRead + Unpin {
-        self.read_fn(move |mut stdin| async move { tokio::io::copy(&mut async_read, &mut stdin).await.map(|_| ()) })
+        self.read_fn(move |mut stdin| async move {
+            tokio::io::copy(&mut async_read, &mut stdin)
+                .await
+                .map(|_| ())
+        })
     }
 
     #[tracing::instrument]
@@ -147,7 +151,6 @@ impl Process {
             err_closed: false,
             handle: DropHandle { inner: handle },
         }
-
     }
 }
 

src/queue/process.rs

@@ -113,7 +113,11 @@ where
             result
         }
         Err(e) => {
-            tracing::warn!("Failed to ingest {}, {}", format!("{}", e), format!("{:?}", e));
+            tracing::warn!(
+                "Failed to ingest {}, {}",
+                format!("{}", e),
+                format!("{:?}", e)
+            );
 
             UploadResult::Failure {
                 message: e.to_string(),

src/validate.rs

@@ -44,8 +44,9 @@ pub(crate) async fn validate_image_bytes(
     enable_full_video: bool,
     validate: bool,
 ) -> Result<(ValidInputType, impl AsyncRead + Unpin), Error> {
-    let input_type = if let Some(input_type) = crate::ffmpeg::input_type_bytes(bytes.clone()).await? {
-        input_type.to_valid_input_type()
+    let input_type =
+        if let Some(input_type) = crate::ffmpeg::input_type_bytes(bytes.clone()).await? {
+            input_type
         } else {
             crate::magick::input_type_bytes(bytes.clone()).await?
         };
@@ -84,7 +85,8 @@ pub(crate) async fn validate_image_bytes(
             Ok((
                 ValidInputType::Mp4,
                 Either::right(Either::left(
-                    crate::ffmpeg::to_mp4_bytes(bytes, InputFormat::Webm, enable_full_video).await?,
+                    crate::ffmpeg::to_mp4_bytes(bytes, InputFormat::Webm, enable_full_video)
+                        .await?,
                 )),
             ))
         }