dvcrn News Video Maker
Convert news content into a video with voiceover and subtitles.
Input
- News topic/keywords (get via search tool in real-time)
- Background image path (provided by user)
- Output directory (user-defined, default:
C:\Users\hyzu\Documents\openclaw\)
Steps
1. Get News
Use search tool to get today's news:
- Use
freeUnlimited-websearchorollama_web_searchortavily-searchskill to search for today's news - Keywords like: "today news", "2026 March news", etc.
Example prompt:
Search for important news today, including international and domestic news
2. Generate Speech
Use TTS tool to convert news text to speech:
- Call tts tool to generate mp3 audio
3. Create Video
Use FFmpeg to combine background image, audio, and add subtitles.
Subtitle calculation rules:
- Video width: 1280px
- Font size: 36px (about 20-25 Chinese characters per line)
- Gold subtitles: PrimaryColour=&HFFD700&
Command:
ffmpeg -y -loop 1 -i "{background_image}" -i "{audio_file}" -vf "subtitles='{subtitle_file}':force_style='Fontsize=36,PrimaryColour=&HFFD700&,BorderStyle=3,Outline=2,MarginV=50',scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2" -shortest -c:v libx264 -tune stillimage -c:a aac -b:a 192k -pix_fmt yuv420p "{output_video}"
4. Subtitle File Format (SRT)
Subtitle rules:
- Max 20 Chinese characters per line
- Timestamp format: HH:MM:SS,mmm --> HH:MM:SS,mmm
Example:
1
00:00:00,000 --> 00:00:04,000
2026年3月11日新闻简报
Output
MP4 video file saved to user-specified output directory.
Notes
- Split long subtitles into multiple lines, keep each line under 20 characters
- Backslashes in paths need escaping or use double quotes
- Audio file can reuse MP3 generated by TTS tool