65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
#include <nana/audio/player.hpp>
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#include <nana/audio/detail/audio_stream.hpp>
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#include <nana/audio/detail/audio_device.hpp>
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#include <nana/audio/detail/buffer_preparation.hpp>
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#include <nana/system/platform.hpp>
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namespace nana{ namespace audio
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{
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//class player
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struct player::implementation
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{
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detail::audio_stream stream;
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detail::audio_device dev;
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};
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player::player()
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: impl_(new implementation)
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{}
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player::player(const nana::string& file)
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: impl_(new implementation)
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{
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open(file);
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}
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player::~player()
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{
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delete impl_;
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}
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bool player::open(const nana::string& file)
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{
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if(impl_->stream.open(file))
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{
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const detail::wave_spec::format_chunck & ck = impl_->stream.format();
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return impl_->dev.open(ck.nChannels, ck.nSamplePerSec, ck.wBitsPerSample);
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}
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return false;
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}
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void player::play()
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{
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if(impl_->dev.empty() || impl_->stream.empty()) return;
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//Locate the PCM
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impl_->stream.locate();
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const std::size_t seconds = 5;
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detail::buffer_preparation buffer(impl_->stream, seconds);
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impl_->dev.prepare(buffer);
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detail::buffer_preparation::meta * meta;
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while((meta = buffer.read()))
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{
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impl_->dev.write(meta);
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}
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impl_->dev.wait_for_drain();
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}
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void player::close()
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{
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impl_->dev.close();
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impl_->stream.close();
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}
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}//end namespace audio
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}//end namespace nana
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