Play-/tools/MediaCenter/Source/VideoStream_ReadSequenceHeader.h

#ifndef _VIDEOSTREAM_READSEQUENCEHEADER_H_
#define _VIDEOSTREAM_READSEQUENCEHEADER_H_

#include "MpegVideoState.h"
#include "VideoStream_Program.h"
#include "VideoStream_ReadStructure.h"

namespace VideoStream
{
	class ReadSequenceHeader : public Program
	{
	public:
								ReadSequenceHeader();
		virtual					~ReadSequenceHeader();

		void					Reset();
		void					Execute(void*, Framework::CBitStream&);

		class ReadSequenceHeaderStruct : public ReadStructure<SEQUENCE_HEADER>
		{
		public:
								ReadSequenceHeaderStruct();
			virtual				~ReadSequenceHeaderStruct();
		};

		class QuantizerMatrixReader : public Program
		{
		public:
								QuantizerMatrixReader();
			virtual				~QuantizerMatrixReader();

			void				Reset();
			void				Execute(void*, Framework::CBitStream&);
			void				SetTable(uint8*);

		private:
			uint8*				m_table;
			unsigned int		m_currentIndex;
		};

	private:
		enum PROGRAM_STATE
		{
			STATE_INIT,
			STATE_READSTRUCT,
			STATE_CHECKREADINTRAMATRIX,
			STATE_READINTRAMATRIX,
			STATE_CHECKREADNONINTRAMATRIX,
			STATE_READNONINTRAMATRIX,
			STATE_DONE,
		};

		PROGRAM_STATE					m_programState;
		ReadSequenceHeaderStruct		m_structureReader;
		QuantizerMatrixReader			m_quantizerMatrixReader;
	};
}

#endif