Function resolveNativeVideoEncoder

electron/ipc/export/native-video.ts:3945–3973

(
	ffmpegPath: string,
	encodingMode: NativeExportEncodingMode,
)

}

export async function resolveNativeVideoEncoder(
	ffmpegPath: string,
	encodingMode: NativeExportEncodingMode,
) {
	if (
		cachedNativeVideoEncoder?.ffmpegPath === ffmpegPath &&
		cachedNativeVideoEncoder?.encodingMode === encodingMode
	) {
		return cachedNativeVideoEncoder.encoderName;
	}

	const availableEncoders = await getAvailableNativeVideoEncoders(ffmpegPath);
	const candidates = [
		...new Set([...getPreferredNativeVideoEncoders(process.platform), "libx264"]),
	];

	for (const encoderName of candidates) {
		if (!availableEncoders.has(encoderName)) {
			continue;
		}

		if (await probeNativeVideoEncoder(ffmpegPath, encoderName, encodingMode)) {
			setCachedNativeVideoEncoder({ ffmpegPath, encodingMode, encoderName });
			return encoderName;
		}
	}

	throw new Error("No usable FFmpeg encoder was available for native export");
}

export function canCopyAudioCodecIntoMp4(codec?: string | null) {
	const normalized = (codec ?? "").trim().toLowerCase();