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fix: 部分语音播放速率异常

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This commit is contained in:
Alen 2024-09-14 17:50:09 +08:00
parent 15a2400069
commit 401b0e2bd0
1 changed files with 9 additions and 5 deletions
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14
src/common/audio.ts
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@ -40,12 +40,14 @@ async function convert(filePath: string, pcmPath: string, logger: LogWrapper): P
}); });
} }
async function handleWavFile(file: Buffer, filePath: string, pcmPath: string, logger: LogWrapper): Promise<Buffer> { async function handleWavFile(
file: Buffer, filePath: string, pcmPath: string, logger: LogWrapper
): Promise<{input: Buffer, sampleRate: number}> {
const { fmt } = getWavFileInfo(file); const { fmt } = getWavFileInfo(file);
if (!ALLOW_SAMPLE_RATE.includes(fmt.sampleRate)) { if (!ALLOW_SAMPLE_RATE.includes(fmt.sampleRate)) {
return await convert(filePath, pcmPath, logger); return {input: await convert(filePath, pcmPath, logger), sampleRate: 24000};
} }
return file; return {input: file, sampleRate: fmt.sampleRate};
} }
export async function encodeSilk(filePath: string, TEMP_DIR: string, logger: LogWrapper) { export async function encodeSilk(filePath: string, TEMP_DIR: string, logger: LogWrapper) {
@ -55,8 +57,10 @@ export async function encodeSilk(filePath: string, TEMP_DIR: string, logger: Log
if (!isSilk(file)) { if (!isSilk(file)) {
logger.log(`语音文件${filePath}需要转换成silk`); logger.log(`语音文件${filePath}需要转换成silk`);
const pcmPath = `${pttPath}.pcm`; const pcmPath = `${pttPath}.pcm`;
const input = isWav(file) ? await handleWavFile(file, filePath, pcmPath, logger) : await convert(filePath, pcmPath, logger); const { input, sampleRate } = isWav(file)
const silk = await encode(input, 24000); ? (await handleWavFile(file, filePath, pcmPath, logger))
: {input: await convert(filePath, pcmPath, logger), sampleRate: 24000};
const silk = await encode(input, sampleRate);
await fsPromise.writeFile(pttPath, silk.data); await fsPromise.writeFile(pttPath, silk.data);
logger.log(`语音文件${filePath}转换成功!`, pttPath, '时长:', silk.duration); logger.log(`语音文件${filePath}转换成功!`, pttPath, '时长:', silk.duration);
return { return {