extern "C"
{
#include "libavutil/avstring.h"
#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "libavutil/dict.h"
#include "libavutil/parseutils.h"
#include "libavutil/samplefmt.h"
#include "libavutil/avassert.h"
#include "libavutil/time.h"
#include "libavformat/avformat.h"
#include "libavdevice/avdevice.h"
#include "libswscale/swscale.h"
#include "libavutil/opt.h"
#include "libavcodec/avfft.h"
#include "libswresample/swresample.h"

#include "libavfilter/avfiltergraph.h"
#include "libavfilter/buffersink.h"
#include "libavfilter/buffersrc.h"
#include "libavutil/avutil.h"
}
#include "SDL/SDL.h"
#include "SDL/SDL_thread.h"

#pragma comment(lib, "SDL2.lib")
#pragma comment(lib, "SDL2main.lib")

#pragma comment(lib, "avcodec.lib")
#pragma comment(lib, "avformat.lib")
#pragma comment(lib, "avutil.lib")
#pragma comment(lib, "avfilter.lib")
#pragma comment(lib, "avdevice.lib")
#pragma comment(lib, "postproc.lib")
#pragma comment(lib, "swresample.lib")
#pragma comment(lib, "swscale.lib")

#include "ffmpeg_dxva2_d.h"
#include "D3DVidRender.h"


typedef void (*CallbackFun)(unsigned char* data,int width,int height);

class Decoder_Hardware_D
{
public:
	Decoder_Hardware_D()
	{
		mSrcWth = 0;
		mSrcHth = 0;
		mDstWth = 0;
		mDstHth = 0;
		mPixFmt = 0;
		mOutBuf = NULL;
		mBufYUV = NULL;
		codec = NULL;
		codecctx = NULL;
		//pkt;
		img_convert_ctx = NULL ;
		scxt = NULL ;
		mFrameYUV = NULL;
		mSrcFrame = NULL;
		mDstFrame = NULL;
		s = NULL;
		bAccel = true;
		ipix_fmt = AV_PIX_FMT_YUV420P;
		opix_fmt = AV_PIX_FMT_YUV420P;

		decodingCallback = NULL;

		frameCount = 0;
		sTime = 0;
		eTime = 0;
	}
	~Decoder_Hardware_D(){}

	bool decoder_hw_init(int srcWth,int srcHth,int dstWth,int dstHth,int oPixFmt,HWND hwnd);
	void decoder_hw_decoding(unsigned char* in_buf,int in_len);
	void decoder_hw_release();
	void set_decoding_callback(CallbackFun fun){decodingCallback = fun;}

protected:
	bool ffmpeg_ref_release();
	void pic_ref_mem_release();
	void decoder_sws_scale_callback();
private:

	CD3DVidRender m_D3DVidRender;

	int mSrcWth;
	int mSrcHth;
	int mDstWth;
	int mDstHth;
	int mPixFmt;
	uint8_t *mOutBuf;
	uint8_t *mBufYUV;
	AVCodec *codec;
	AVCodecContext *codecctx;
	AVPacket pkt;
	struct SwsContext *img_convert_ctx;
	struct SwsContext *scxt;
	AVFrame	*mFrameYUV;
	AVFrame *mSrcFrame;
	AVFrame *mDstFrame;
	AVCodecParserContext *s;
	bool bAccel;
	AVPixelFormat ipix_fmt;
	AVPixelFormat opix_fmt;

	CallbackFun decodingCallback;

	DWORD frameCount;
	DWORD sTime,eTime;
};