From 6887dfcf9774cb692a8375e0320ffcf80edb9536 Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Mon, 2 Oct 2023 12:07:59 +0200
Subject: started transcoding

---
 transcoder/Cargo.toml     |  1 +
 transcoder/src/snippet.rs | 51 +++++++++++++++++++++++++++++++++++++++--------
 2 files changed, 44 insertions(+), 8 deletions(-)

(limited to 'transcoder')

diff --git a/transcoder/Cargo.toml b/transcoder/Cargo.toml
index ecb2bc8..16bd9d9 100644
--- a/transcoder/Cargo.toml
+++ b/transcoder/Cargo.toml
@@ -6,6 +6,7 @@ edition = "2021"
 [dependencies]
 jellycommon = { path = "../common" }
 jellybase = { path = "../base" }
+jellyremuxer = { path = "../remuxer" }
 log = { workspace = true }
 image = { git = "https://github.com/image-rs/image", features = [
     "avif-decoder",
diff --git a/transcoder/src/snippet.rs b/transcoder/src/snippet.rs
index c7033d8..56bd523 100644
--- a/transcoder/src/snippet.rs
+++ b/transcoder/src/snippet.rs
@@ -6,23 +6,58 @@
 
 use jellybase::{cache::async_cache_file, AssetLocationExt};
 use jellycommon::AssetLocation;
+use std::process::Stdio;
+use tokio::{fs::File, process::Command};
 
-pub async fn transcode(
-    asset: AssetLocation,
-    quality: f32,
-    speed: u8,
-    width: usize,
-) -> anyhow::Result<AssetLocation> {
+#[derive(Debug)]
+pub enum Encoding {
+    Video {
+        codec: &'static str,
+        preset: u8,
+        bitrate: usize,
+        width: usize,
+    },
+}
+
+pub async fn transcode(asset: AssetLocation, enc: Encoding) -> anyhow::Result<AssetLocation> {
     let original_path = asset.path();
     let asset = asset.clone();
     Ok(async_cache_file(
         &[
             "snip-tc",
             original_path.as_os_str().to_str().unwrap(),
-            &format!("{width} {quality} {speed}"),
+            &format!("{enc:?}"),
         ],
         move |output| async move {
-            
+            let args = match enc {
+                Encoding::Video {
+                    codec,
+                    preset,
+                    bitrate,
+                    width,
+                } => [
+                    "-vf".to_string(),
+                    format!("scale={width}:-1"),
+                    "-c:v".to_string(),
+                    codec.to_string(),
+                    "-preset".to_string(),
+                    format!("{preset}"),
+                    "-b:v".to_string(),
+                    format!("{bitrate}"),
+                ]
+                .to_vec(),
+            };
+            let mut proc = Command::new("ffmpeg")
+                .stdin(Stdio::piped())
+                .stdout(Stdio::piped())
+                .args(&["-f", "mkv", "-i", "pipe:0"])
+                .args(args)
+                .args(&["-f", "mkv", "pipe:1"])
+                .spawn()?;
+
+            let mut stdin = proc.stdin.take().unwrap();
+            let mut stdout = proc.stdout.take().unwrap();
+
             Ok(())
         },
     )
-- 
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