GET_AUDIO_DURATION API Documentation

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Interface Information

POST /openapi/capcut-mate/v1/get_audio_duration

Function Description

Get the duration of audio files, supporting various common audio formats. Use FFprobe tool for precise audio analysis, returning the accurate duration of audio files in microseconds.

Request Parameters

{
  "mp3_url": "https://assets.jcaigc.cn/audio/sample.mp3"
}

Parameter Description

Parameter	Type	Required	Default	Description
mp3_url	string	✅	-	Audio file URL, supporting mp3, wav, m4a and other common audio formats

Parameter Details

Audio URL Parameter

• mp3_url: Complete URL address of the audio file
  • Supported formats: mp3, wav, aac, flac, m4a and other common audio formats
  • Need to ensure URL is accessible and file is complete

Response Format

Success Response (200)

{
  "code": 0,
  "message": "success",
  "duration": 2325333
}

Response Field Description

Field	Type	Description
duration	integer	Audio duration, unit: microseconds

Error Response

{
  "code": 2034,
  "message": "Get audio duration failed"
}

Usage Examples

cURL Examples

1. Basic Audio Duration Retrieval

curl -X POST https://capcut-mate.jcaigc.cn/openapi/capcut-mate/v1/get_audio_duration \
  -H "Content-Type: application/json" \
  -d '{
    "mp3_url": "https://assets.jcaigc.cn/audio/sample.mp3"
  }'

Error Code Description

Error Code	Error Message	Description	Solution
1001	Parameter validation failed	mp3_url is missing or not a valid URL	Provide a valid mp3_url
2004	File size exceeds the limit	The audio file exceeds the server download size limit	Use a smaller audio file
2005	Download file failed	The audio file could not be downloaded	Check that the audio URL is publicly accessible
2034	Get audio duration failed	Failed to read the audio duration	Check the audio file format

Notes

1. Time Unit: Returned duration uses microseconds (1 second = 1,000,000 microseconds)
2. Audio Formats: Support mp3, wav, aac, flac, m4a and other common audio formats
3. File Size: Recommended to control within reasonable range, overly large files may cause timeout
4. Network Access: Ensure provided audio URL can be accessed normally

Workflow

1. Validate required parameter (mp3_url)
2. Download audio file to temporary directory
3. Use ffprobe to analyze audio file and get duration
4. Clean up temporary files
5. Return audio duration information

Related Interfaces

• Add Audios
• Add Videos
• Create Draft

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📚 Project Resources
GitHub: https://github.com/Hommy-master/capcut-mate
Gitee: https://gitee.com/taohongmin-gitee/capcut-mate