Method createCodecContext

src/audio_decoder.ts:71–94

(config: AudioDecoderConfig)

	}

	private static createCodecContext(config: AudioDecoderConfig) {
		const inferred = inferCodecFromCodecString(config.codec);
		if (!inferred) {
			return null;
		}

		const codec = Codec.findDecoder(inferred);
		if (!codec) {
			return null;
		}

		const codecContext = new CodecContext();
		codecContext.allocContext3(codec);

		codecContext.sampleRate = config.sampleRate;
		codecContext.channelLayout = getChannelLayout(config.numberOfChannels);
		codecContext.codecType = AVMEDIA_TYPE_AUDIO;
		codecContext.codecId = inferred;
		codecContext.extraData = config.description
			? Buffer.from(toUint8Array(config.description))
			: null;

		return codecContext;
	}

	/**
	 * Checks if the decoder can support the given configuration.