Function probeNativeVideoEncoder

electron/ipc/export/native-video.ts:3890–3943

(
	ffmpegPath: string,
	encoderName: string,
	encodingMode: NativeExportEncodingMode,
)

}

export async function probeNativeVideoEncoder(
	ffmpegPath: string,
	encoderName: string,
	encodingMode: NativeExportEncodingMode,
) {
	const outputPath = path.join(
		app.getPath("temp"),
		`recordly-export-probe-${Date.now()}-${Math.random().toString(36).slice(2, 8)}.mp4`,
	);
	const args = buildNativeVideoExportArgs(
		encoderName,
		{
			width: 64,
			height: 64,
			frameRate: 1,
			bitrate: 1_500_000,
			encodingMode,
		},
		outputPath,
	);

	return new Promise<boolean>((resolve) => {
		const process = spawn(ffmpegPath, args, {
			stdio: ["pipe", "ignore", "pipe"],
		});
		let stderrOutput = "";
		const timeout = setTimeout(() => {
			try {
				process.kill("SIGKILL");
			} catch {
				// ignore
			}
			resolve(false);
		}, 15000);

		process.stderr.on("data", (chunk: Buffer) => {
			stderrOutput += chunk.toString();
		});

		process.on("close", (code) => {
			clearTimeout(timeout);
			void removeTemporaryExportFile(outputPath);
			if (code !== 0 && stderrOutput.trim().length > 0) {
				console.warn(
					`[native-export] Encoder probe failed for ${encoderName}:`,
					stderrOutput.trim(),
				);
			}
			resolve(code === 0);
		});

		process.stdin.end(Buffer.alloc(getNativeVideoInputByteSize(64, 64), 0));
	});
}

export async function resolveNativeVideoEncoder(
	ffmpegPath: string,