How to Serve Partial Audio Content in Go Without `http.ServeContent`?

Serving Partial Content for Audio Files in Go

Problem:

How to enable partial content serving for audio files from various sources, excluding the use of Go's http.ServeContent function?

Answer:

To serve partial content without using http.ServeContent, follow these steps:

Using Files:

1. Use http.ServeFile() to serve files from your local source. This handles partial content serving.

Serving Non-File Content:

1. Use http.ServeContent() to serve content that is not available as a file. This also handles partial content serving.
2. Implement an io.ReadSeeker interface for your content to provide direct access to the appropriate part of your data source.

Custom Implementation:

1. Implement a type that satisfies io.ReadSeeker. This includes methods for reading (Reader) and seeking (Seeker) to specific positions in your data.
2. Utilize bytes.NewReader to convert a byte slice into an io.ReadSeeker for easier access.
3. Keep track of your current position within the data source to fulfill request ranges.

By following these steps, you can effectively serve partial content for audio files using custom implementations without using http.ServeContent.

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