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fa772ddd77
splitting implementation into a separate package to potentially allow for other sorts of output, too.
23 lines
602 B
Go
23 lines
602 B
Go
package audio
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import (
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"bytes"
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"encoding/binary"
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"fmt"
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"math"
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)
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// FloatBufferTo16BitLE is a naive helper method to convert []float32 buffers to
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// 16-bit little-endian integer buffers.
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// TODO: optimize/refactor this, current is far from the best solution
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func FloatBufferTo16BitLE(buff []float32) ([]byte, error) {
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var buf bytes.Buffer
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for i, v := range buff {
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uv := int16(v * math.MaxInt16)
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if err := binary.Write(&buf, binary.LittleEndian, uv); err != nil {
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return nil, fmt.Errorf("error converting buffer (@ %v, value %v) to bytes: %w", i, v, err)
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}
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}
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return buf.Bytes(), nil
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}
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