store default audio as include_bytes

Author: chanramen

src/engine/local_ffmpeg.rs

@@ -1,4 +1,5 @@
 use crate::models::error::HandlerError;
+use image::EncodableLayout;
 use log::{debug, warn};
 use std::fs::File;
 use std::io;
@@ -7,6 +8,8 @@ use std::path::Path;
 use std::process::{Command, Output};
 use uuid::Uuid;
 
+const DEFAULT_AUDIO: &[u8] = include_bytes!("../../assets/input.mp3");
+
 pub fn encode_video_local(frame: Vec<u8>, audio: Option<Vec<u8>>) -> Result<Vec<u8>, HandlerError> {
     debug!("--->>> encode_video LOCAL");
 
@@ -34,15 +37,14 @@ pub fn encode_video_local(frame: Vec<u8>, audio: Option<Vec<u8>>) -> Result<Vec<
         "-i",
         jpg_file.as_str(),
     ]);
-    if let Some(audio) = audio {
-        File::create(mp3_file.as_str())
-            .expect("Unable to create image file")
-            .write_all(&*audio)
-            .expect("Unable to write image data");
-        args.extend_from_slice(&["-i", mp3_file.as_str()]);
-    } else {
-        args.extend_from_slice(&["-i", "assets/input.mp3"]);
+    let mut audio_file = File::create(mp3_file.as_str())
+        .expect("Unable to create audio file");
+    match audio {
+        None => audio_file.write_all(DEFAULT_AUDIO),
+        Some(data) => audio_file.write_all(data.as_bytes())
     }
+        .expect("Unable to write audio data");
+    args.extend_from_slice(&["-i", mp3_file.as_str()]);
     args.extend_from_slice(&[
         "-c:v",
         "libx264",