Add EJS support.

Author: BrianAllred

Dockerfile

@@ -11,4 +11,7 @@ COPY --from=build /app .
 COPY ./Scripts/install-dotnet8.sh .
 RUN bash install-dotnet8.sh
 RUN python3 -m pip install --force-reinstall --break-system-packages git+https://github.com/yt-dlp/yt-dlp.git@release
+ADD https://deno.land/install.sh install-deno.sh
+RUN apt-get update && apt-get install --no-install-recommends -y unzip
+RUN bash install-deno.sh -y
 ENTRYPOINT [ "dotnet", "TelegramVideoBot.dll" ]

README.md

@@ -6,6 +6,8 @@ Telegram bot that facilitates downloading videos from various websites and servi
 
 Uses YT-DLP and FFMpeg under the hood. Supports hardware acceleration, but it will fall back to software transcoding.
 
+A dependency has been added on [Deno](https://deno.com/) (or similar EJS) as per the [YT-DLP documentation](https://github.com/yt-dlp/yt-dlp/wiki/EJS). The Telegram Video Bot Docker image handles this dependency automatically.
+
 ## Usage
 
 ### Environment Variables

Workers/DownloadManager.cs

@@ -52,7 +52,9 @@ private async Task StartDownloads()
 
                 var downloadProcInfo = new ProcessStartInfo("yt-dlp")
                 {
-                    Arguments = $"-f \"bv*+ba/b\" -S \"filesize~50M\" -o {userId}.%(ext)s {download.VideoUrl}",
+                    // adding remote-components here as per https://github.com/yt-dlp/yt-dlp/wiki/EJS
+                    // NOTE that this adds a dependency on deno or similar EJS runtime
+                    Arguments = $"-f \"bv*+ba/b\" -S \"filesize~50M\" --remote-components ejs:github -o {userId}.%(ext)s {download.VideoUrl}",
                     RedirectStandardError = true,
                     RedirectStandardOutput = true
                 };