65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
#ifndef NANA_AUDIO_DETAIL_AUDIO_DEVICE_HPP
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#define NANA_AUDIO_DETAIL_AUDIO_DEVICE_HPP
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#include <nana/deploy.hpp>
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#ifdef NANA_ENABLE_AUDIO
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#include <nana/audio/detail/buffer_preparation.hpp>
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#include <vector>
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#if defined(NANA_WINDOWS)
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#include <windows.h>
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#elif defined(NANA_LINUX)
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#include <alsa/asoundlib.h>
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#elif defined(NANA_POSIX)
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#include <sys/soundcard.h>
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#endif
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namespace nana{ namespace audio
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{
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namespace detail
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{
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class audio_device
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{
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public:
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audio_device();
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~audio_device();
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bool empty() const;
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bool open(std::size_t channels, std::size_t rate, std::size_t bits_per_sample);
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void close();
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void prepare(buffer_preparation & buf_prep);
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void write(buffer_preparation::meta * m);
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void wait_for_drain() const;
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private:
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#if defined(NANA_WINDOWS)
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static void __stdcall _m_dev_callback(HWAVEOUT handle, UINT msg, audio_device * self, DWORD_PTR, DWORD_PTR);
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#endif
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#if defined(NANA_WINDOWS)
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HWAVEOUT handle_;
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std::recursive_mutex queue_lock_;
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std::vector<buffer_preparation::meta*> done_queue_;
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#elif defined(NANA_LINUX)
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snd_pcm_t * handle_;
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std::size_t rate_;
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std::size_t channels_;
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std::size_t bytes_per_sample_;
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std::size_t bytes_per_frame_;
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#elif defined(NANA_POSIX)
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int handle_;
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int rate_;
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int channels_;
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int bytes_per_sample_;
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int bytes_per_frame_;
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#endif
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buffer_preparation * buf_prep_;
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};
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}//end namespace detail
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}//end namespace audio
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}//end namespace nana
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#endif //NANA_ENABLE_AUDIO
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#endif
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