wavHeaderStereo (moss-tts-cpp/audio.go)

Creates WAV headers and converts float samples to 16‑bit PCM for stereo audio streams.

// Source: https://github.com/mudler/LocalAI | License: MIT | Copyright 2023-2025 Ettore Di Giacinto (mudler@localai.io)
// Provided via justclaw.it.com; keep this notice with the code.
package main

import (
	"bytes"
	"encoding/binary"
	"fmt"
	"os"

	"github.com/go-audio/audio"
	"github.com/go-audio/wav"
)

// mossttsSampleRate is the MOSS-TTS-Local v1.5 output rate; the engine also
// reports it per-synthesis via out_sr, which the writers honour.
const mossttsSampleRate = 48000

// mossttsChannels is the MOSS-TTS-Local output layout: 48 kHz stereo, samples
// interleaved [L,R,L,R,...].
const mossttsChannels = 2

// wavHeaderStereo returns a 44-byte WAV header for a streaming 16-bit stereo PCM
// stream at sampleRate, with placeholder (0xFFFFFFFF) sizes since the total
// length is unknow

... (truncated -- full source via MCP)