first init of 0.9

source/audio/player.cpp

@@ -0,0 +1,65 @@
+#include <nana/audio/player.hpp>
+#include <nana/audio/detail/audio_stream.hpp>
+#include <nana/audio/detail/audio_device.hpp>
+#include <nana/audio/detail/buffer_preparation.hpp>
+#include <nana/system/platform.hpp>
+
+namespace nana{	namespace audio
+{
+	//class player
+		struct player::implementation
+		{
+			detail::audio_stream	stream;
+			detail::audio_device	dev;
+		};
+
+		player::player()
+			: impl_(new implementation)
+		{}
+
+		player::player(const nana::string& file)
+			: impl_(new implementation)
+		{
+			open(file);
+		}
+
+		player::~player()
+		{
+			delete impl_;
+		}
+
+		bool player::open(const nana::string& file)
+		{
+			if(impl_->stream.open(file))
+			{
+				const detail::wave_spec::format_chunck & ck = impl_->stream.format();
+				return impl_->dev.open(ck.nChannels, ck.nSamplePerSec, ck.wBitsPerSample);
+			}
+			return false;
+		}
+
+		void player::play()
+		{
+			if(impl_->dev.empty() || impl_->stream.empty()) return;
+
+			//Locate the PCM
+			impl_->stream.locate();
+			const std::size_t seconds = 5;
+
+			detail::buffer_preparation buffer(impl_->stream, seconds);
+			impl_->dev.prepare(buffer);
+			detail::buffer_preparation::meta * meta;
+			while((meta = buffer.read()))
+			{
+				impl_->dev.write(meta);
+			}
+			impl_->dev.wait_for_drain();
+		}
+
+		void player::close()
+		{
+			impl_->dev.close();
+			impl_->stream.close();
+		}
+}//end namespace audio
+}//end namespace nana