Adding text overlay captions to videos is essential for accessibility and enhancing viewer engagement. With FFMPEGAPI.net's hosted REST API, developers can seamlessly integrate this functionality into their applications without the hassle of managing FFmpeg infrastructure. In this article, we will explore how to use the Text Overlay Captions endpoint to render timed captions over your videos.
What is FFMPEGAPI.net?
FFMPEGAPI.net is a powerful hosted REST API designed for video and audio processing without the need for server setup. It is the ideal cloud FFmpeg alternative for developers looking to automate their workflows or integrate video features into their applications.
- No infrastructure management required
- API-key authentication for secure access
- Perfect for automation, SaaS applications, and content pipelines
- Supports a variety of multimedia processing tasks
Understanding the Text Overlay Captions Endpoint
The Text Overlay Captions endpoint allows you to display user-provided text lines over a video. This functionality can be crucial for adding context, subtitles, or any form of visual text enhancement to your videos.
The endpoint's path is `/api/videos/add-text-overlay-captions`, and it accepts a POST request with the required parameters.
- Endpoint: /api/videos/add-text-overlay-captions
- Method: POST
- Content Type: application/json
Parameters for Text Overlay Captions
To effectively use the Text Overlay Captions endpoint, you need to understand the parameters it accepts. Here’s a breakdown of each parameter and its purpose:
- video_url (string, required): The URL of the video to which you want to add captions.
- text (string, required): Caption lines separated by newlines.
- subtitle_style (string, optional): Choose from styles like plain-white, yellow-bg, pink-bg, blue-bg, or red-bg. Default is plain-white.
- aspect_ratio (string, optional): Specify aspect ratios such as 16:9, 9:16, 4:3, or 3:4. Default is 9:16.
- position (string, optional): Position of the text on the video - options include top, center, or bottom. Default is center.
- duration_per_line (integer, optional): Duration each line is displayed, ranging from 1 to 30 seconds. Default is 5 seconds.
Making a Request to Add Text Overlay Captions
With an understanding of the parameters, you can make a request to add text overlay captions to your video. Here’s a practical example using curl and Python.
curl -X POST https://www.ffmpegapi.net/api/videos/add-text-overlay-captions \
-H 'Content-Type: application/json' \
-d '{"video_url": "https://example.com/video.mp4", "text": "First line\nSecond line", "duration_per_line": 4}'import requests
url = 'https://www.ffmpegapi.net/api/videos/add-text-overlay-captions'
data = {
'video_url': 'https://example.com/video.mp4',
'text': 'First line\nSecond line',
'duration_per_line': 4
}
response = requests.post(url, json=data)
print(response.json())FFMPEGAPI.net provides a straightforward and reliable way to add text overlay captions to your videos via its robust API. This hosted solution eliminates the complexities associated with traditional FFmpeg setups, making it the best cloud FFmpeg alternative for developers. With just a few lines of code, you can enhance your video content and improve viewer engagement effortlessly.