Added new option: Subtitle format

demo/README.md

@@ -7,9 +7,10 @@ https://github.com/user-attachments/assets/9e4fc237-a3cd-46bd-b82c-c608336d6411
 ### What You Need
 
 - A background image (bg.jpg)
-- The subtitle file (.srt) **(created by Abogen)**
+- The subtitle file (.ass) **(created by Abogen)**
+    - Select `ass(centered narrow)` as subtitle format in settings.
 - The audio recording (.wav) **(created by Abogen)**
-- [Python](https://www.python.org/downloads/) and FFmpeg installed on your computer:
+- FFmpeg installed on your computer:
 
 ```bash
 # Windows
@@ -22,22 +23,12 @@ brew install ffmpeg
 sudo apt install ffmpeg
 ```
 
-### Step 1: Process the Subtitle File
-
-Run this command to process Abogen's subtitle file:
-
-```
-python convert.py your_subtitle.srt
-```
-
-This creates a properly formatted subtitle file called "your_subtitle_demo.ass" with centered text and appropriate styling.
-
-### Step 2: Create the Video (.webm)
+### Create the Video (.webm)
 
 Run this FFmpeg command to create the tiny video:
 
 ```
-ffmpeg -loop 1 -framerate 24 -i bg.jpg -i audio.wav -vf "ass=your_subtitle_demo.ass" -c:v libvpx-vp9 -b:v 0 -crf 30 -c:a libopus -shortest demo.webm
+ffmpeg -loop 1 -framerate 24 -i bg.jpg -i audio.wav -vf "ass=subtitle.ass" -c:v libvpx-vp9 -b:v 0 -crf 30 -c:a libopus -shortest demo.webm
 ```
 
 ## For Higher Quality (But Larger) Video (.mp4)
@@ -45,7 +36,7 @@ ffmpeg -loop 1 -framerate 24 -i bg.jpg -i audio.wav -vf "ass=your_subtitle_demo.
 If you need better quality for distribution, use this command instead:
 
 ```
-ffmpeg -loop 1 -framerate 24 -i bg.jpg -i audio.wav -vf "ass=your_subtitle_demo.ass" -c:v libx264 -preset slow -crf 18 -movflags +faststart -c:a copy -shortest demo.mp4
+ffmpeg -loop 1 -framerate 24 -i bg.jpg -i audio.wav -vf "ass=subtitle.ass" -c:v libx264 -preset slow -crf 18 -movflags +faststart -c:a copy -shortest demo.mp4
 ```
 
 This creates an MP4 file that's compatible with more devices but larger in size.