Exemplo n.º 1
0
        public static Encoding ToEncoding(this AudioDataEncoding encoding)
        {
            switch (encoding)
            {
            case AudioDataEncoding.PCM_8Bits:
                return(Encoding.Pcm8bit);

            case AudioDataEncoding.PCM_16Bits:
                return(Encoding.Pcm16bit);

            default:
                throw new ArgumentOutOfRangeException("encoding");
            }
        }
        /// <summary>
        /// Create a dynamic sound effect instance with the given sound properties.
        /// </summary>
        /// <param name="engine">The engine in which the dynamicSoundEffectInstance is created</param>
        /// <param name="sampleRate">Sample rate, in Hertz (Hz), of audio content. Must between 8000 Hz and 48000 Hz</param>
        /// <param name="channels">Number of channels in the audio data.</param>
        /// <param name="encoding">Encoding of a sound data sample</param>
        /// <returns>A new DynamicSoundEffectInstance instance ready to filled with data and then played</returns>
        /// <exception cref="ArgumentOutOfRangeException">This exception is thrown for one of the following reason:
        /// <list type="bullet">
        /// <item>The value specified for sampleRate is less than 8000 Hz or greater than 48000 Hz. </item>
        /// <item>The value specified for channels is something other than mono or stereo. </item>
        /// <item>The value specified for data encoding is something other than 8 or 16 bits. </item>
        /// </list>
        ///  </exception>
        /// <exception cref="ArgumentNullException"><paramref name="engine"/> is null.</exception>
        public DynamicSoundEffectInstance(AudioEngine engine, int sampleRate, AudioChannels channels, AudioDataEncoding encoding)
            : base(engine)
        {
            if (engine == null) 
                throw new ArgumentNullException("engine");

            if (sampleRate < 8000 || 48000 < sampleRate)
                throw new ArgumentOutOfRangeException("sampleRate");

            if(channels != AudioChannels.Mono && channels != AudioChannels.Stereo)
                throw new ArgumentOutOfRangeException("channels");

            if(encoding != AudioDataEncoding.PCM_8Bits && encoding != AudioDataEncoding.PCM_16Bits)
                throw new ArgumentOutOfRangeException("encoding");

            waveFormat = new WaveFormat(sampleRate, (int)encoding, (int)channels);

            Interlocked.Increment(ref totalNbOfInstances);
            Interlocked.Increment(ref numberOfInstances);

            // first instance of dynamic sound effect instance => we create the workerThead and the associated event.
            if (numberOfInstances == 1)
            {
                instancesNeedingBuffer = new ThreadSafeQueue<DynamicSoundEffectInstance>(); // to be sure that there is no remaining request from previous sessions
                awakeWorkerThread = new AutoResetEvent(false);
                CreateWorkerThread();
            }
            
            Name = "Dynamic Sound Effect Instance - "+totalNbOfInstances;

            CreateVoice(WaveFormat);

            InitializeDynamicSound();

            AudioEngine.RegisterSound(this);

            ResetStateToDefault();
        }
Exemplo n.º 3
0
        /// <summary>
        /// Create a dynamic sound effect instance with the given sound properties.
        /// </summary>
        /// <param name="engine">The engine in which the dynamicSoundEffectInstance is created</param>
        /// <param name="sampleRate">Sample rate, in Hertz (Hz), of audio content. Must between 8000 Hz and 48000 Hz</param>
        /// <param name="channels">Number of channels in the audio data.</param>
        /// <param name="encoding">Encoding of a sound data sample</param>
        /// <returns>A new DynamicSoundEffectInstance instance ready to filled with data and then played</returns>
        /// <exception cref="ArgumentOutOfRangeException">This exception is thrown for one of the following reason:
        /// <list type="bullet">
        /// <item>The value specified for sampleRate is less than 8000 Hz or greater than 48000 Hz. </item>
        /// <item>The value specified for channels is something other than mono or stereo. </item>
        /// <item>The value specified for data encoding is something other than 8 or 16 bits. </item>
        /// </list>
        ///  </exception>
        /// <exception cref="ArgumentNullException"><paramref name="engine"/> is null.</exception>
        public DynamicSoundEffectInstance(AudioEngine engine, int sampleRate, AudioChannels channels, AudioDataEncoding encoding)
        {
            AttachEngine(engine);

            if (sampleRate < 8000 || 48000 < sampleRate)
            {
                throw new ArgumentOutOfRangeException("sampleRate");
            }

            if (channels != AudioChannels.Mono && channels != AudioChannels.Stereo)
            {
                throw new ArgumentOutOfRangeException("channels");
            }

            if (encoding != AudioDataEncoding.PCM_8Bits && encoding != AudioDataEncoding.PCM_16Bits)
            {
                throw new ArgumentOutOfRangeException("encoding");
            }

            waveFormat = new WaveFormat(sampleRate, (int)encoding, (int)channels);

            Interlocked.Increment(ref totalNbOfInstances);
            Interlocked.Increment(ref numberOfInstances);

            // first instance of dynamic sound effect instance => we create the workerThead and the associated event.
            if (numberOfInstances == 1)
            {
                instancesNeedingBuffer = new ThreadSafeQueue <DynamicSoundEffectInstance>(); // to be sure that there is no remaining request from previous sessions
                awakeWorkerThread      = new AutoResetEvent(false);
                CreateWorkerThread();
            }

            Name = "Dynamic Sound Effect Instance - " + totalNbOfInstances;

            CreateVoice(WaveFormat);

            InitializeDynamicSound();

            AudioEngine.RegisterSound(this);

            ResetStateToDefault();
        }