Ajout version Release/x64 avec les libraries x64 et tuning de la version Debug

SQCSim2021/external/irrKlang-64bit-1.6.0/plugins/ikpMP3/CIrrKlangAudioStreamMP3.h

@@ -0,0 +1,106 @@
+// Copyright (C) 2002-2007 Nikolaus Gebhardt
+// Part of the code for this plugin for irrKlang is based on:
+//  MP3 input for Audiere by Matt Campbell <mattcampbell@pobox.com>, based on
+//  libavcodec from ffmpeg (http://ffmpeg.sourceforge.net/).
+// See license.txt for license details of this plugin.
+
+#ifndef __C_IRRKLANG_AUDIO_STREAM_MP3_H_INCLUDED__
+#define __C_IRRKLANG_AUDIO_STREAM_MP3_H_INCLUDED__
+
+#include <ik_IAudioStream.h>
+#include <ik_IFileReader.h>
+#include <vector>
+#include "decoder/mpaudec.h"
+
+namespace irrklang
+{
+	const int IKP_MP3_INPUT_BUFFER_SIZE = 4096;
+
+	//!	Reads and decodes audio data into an usable audio stream for the ISoundEngine
+	/** To extend irrKlang with new audio format decoders, the only thing needed to do
+	is implementing the IAudioStream interface. All the code available in this class is only for
+	mp3 decoding and may make this class look a bit more complicated then it actually is. */
+	class CIrrKlangAudioStreamMP3 : public IAudioStream
+	{
+	public:
+
+		CIrrKlangAudioStreamMP3(IFileReader* file);
+		~CIrrKlangAudioStreamMP3();
+
+		//! returns format of the audio stream
+		virtual SAudioStreamFormat getFormat();
+
+		//! tells the audio stream to read n audio frames into the specified buffer
+		/** \param target: Target data buffer to the method will write the read frames into. The
+		specified buffer will be getFormat().getFrameSize()*frameCount big.
+		\param frameCount: amount of frames to be read.
+		\returns Returns amount of frames really read. Should be frameCountToRead in most cases. */
+		virtual ik_s32 readFrames(void* target, ik_s32 frameCountToRead);
+
+		//! sets the position of the audio stream.
+		/** For example to let the stream be read from the beginning of the file again,
+		setPosition(0) would be called. This is usually done be the sound engine to
+		loop a stream after if has reached the end. Return true if sucessful and 0 if not. */
+		virtual bool setPosition(ik_s32 pos);
+
+		// just for the CIrrKlangAudioStreamLoaderMP3 to let him know if loading worked
+		bool isOK() { return File != 0; }
+
+	protected:
+
+		ik_s32 readFrameForMP3(void* target, ik_s32 frameCountToRead, bool parseOnly=false);
+		bool decodeFrame();
+		void skipID3IfNecessary();
+
+		irrklang::IFileReader* File;
+		SAudioStreamFormat Format;
+
+		// mpaudec specific
+		MPAuDecContext* TheMPAuDecContext;
+
+		ik_u8 InputBuffer[IKP_MP3_INPUT_BUFFER_SIZE];
+
+		int InputPosition;
+		int InputLength;
+		int Position;
+		ik_u8* DecodeBuffer;
+		ik_s32 FileBegin;
+		ik_u32 CurrentFramePosition;
+
+		bool FirstFrameRead;
+		bool EndOfFileReached;
+
+		// helper class for managing the streaming decoded audio data
+		class QueueBuffer
+		{
+		public:	
+
+			QueueBuffer();
+			~QueueBuffer();
+
+			int getSize();
+			void write(const void* buffer, int size);
+			int read(void* buffer, int size);
+			void clear();
+
+		private:
+
+			ik_u8* Buffer;
+			int Capacity;
+			int Size;
+		};
+
+		struct SFramePositionData
+		{
+			int offset;
+			int size;
+		};
+
+		std::vector<SFramePositionData> FramePositionData;
+		QueueBuffer DecodedQueue;
+	};
+
+
+} // end namespace irrklang
+
+#endif