/** @file
 * @author Edouard DUPIN 
 * @copyright 2011, Edouard DUPIN, all right reserved
 * @license APACHE v2.0 (see license file)
 * @fork from RTAudio
 */

#if !defined(__AUDIO_ORCHESTRA_API_DS_H__) && defined(ORCHESTRA_BUILD_DS)
#define __AUDIO_ORCHESTRA_API_DS_H__


namespace audio {
	namespace orchestra {
		namespace api {
			class DsPrivate;
			class Ds: public audio::orchestra::Api {
				public:
					static audio::orchestra::Api* Create();
				public:
					Ds();
					virtual ~Ds();
					enum audio::orchestra::type getCurrentApi() {
						return audio::orchestra::type_ds;
					}
					uint32_t getDeviceCount();
					uint32_t getDefaultOutputDevice();
					uint32_t getDefaultInputDevice();
					audio::orchestra::DeviceInfo getDeviceInfo(uint32_t _device);
					enum audio::orchestra::error closeStream();
					enum audio::orchestra::error startStream();
					enum audio::orchestra::error stopStream();
					enum audio::orchestra::error abortStream();
					long getStreamLatency();
					// This function is intended for internal use only.	It must be
					// public because it is called by the internal callback handler,
					// which is not a member of RtAudio.	External use of this function
					// will most likely produce highly undesireable results!
					void callbackEvent();
				private:
					static void dsCallbackEvent(void *_userData);
					std11::shared_ptr<DsPrivate> m_private;
					bool m_coInitialized;
					bool m_buffersRolling;
					long m_duplexPrerollBytes;
					bool probeDeviceOpen(uint32_t _device,
					                     enum audio::orchestra::mode _mode,
					                     uint32_t _channels,
					                     uint32_t _firstChannel,
					                     uint32_t _sampleRate,
					                     enum audio::format _format,
					                     uint32_t *_bufferSize,
					                     const audio::orchestra::StreamOptions& _options);
			};
		}
	}
}

#endif