// FFmpegWriter.h: interface for the FFmpegWriter class.
#pragma once

#ifdef _WIN32

#ifndef INT64_C
#define INT64_C(c) (c##LL) 
#define UINT64_C(c) (c##UL) 
#endif

#endif

#ifdef __cplusplus
extern "C"
{

#define __STDC_CONSTANT_MACROS

#endif // __cplusplus

#include <libavutil/avassert.h>
#include <libavutil/channel_layout.h>
#include <libavutil/opt.h>
#include <libavutil/mathematics.h>
#include <libavutil/timestamp.h>
#include <libavformat/avformat.h>
#include <libswscale/swscale.h>
#include <libswresample/swresample.h>
#include <libavutil/pixdesc.h>

#ifdef __cplusplus
}

#endif // __cplusplus

#include "ByteBuffer.h"

typedef struct OutputStream_t OutputStream;

class LogApi
{
public:
	virtual void Debug(const char* fmt, ...) = 0;
	virtual void vDebug(const char* str, va_list list) = 0;
};


class FFmpegWriter
{
public:
	FFmpegWriter(LogApi* pLogAPI) {m_pLogApi = pLogAPI; m_video_st = NULL; m_audio_st = NULL; m_outfmt = NULL; m_formatctx = NULL;
	m_audio_codec = NULL; m_video_codec = NULL; m_bhave_video = false; m_bhave_audio = false; m_audio_input_buffer = NULL; m_bstart = false;}
	~FFmpegWriter() {}

private://内部成员变量
	OutputStream *m_video_st;
	OutputStream *m_audio_st;
	AVOutputFormat* m_outfmt;
	AVFormatContext* m_formatctx;
	AVCodec* m_audio_codec;
	AVCodec* m_video_codec;
    int m_bhave_video;
	int m_bhave_audio;
	AVPixelFormat m_input_pix_fmt;
	LogApi* m_pLogApi;
	ByteBuffer* m_audio_input_buffer;
	void Close();
	bool m_bstart;

public:
	bool InitWriter(char* filename, int width, int height, int colorbit, int nfps,
		int nSamplePsec, int nchannels, int nBitPerSample, int nmaxspacing, int nquality, int nOutBitRate, int iAudioType);
	bool StartWrite();
	bool StopWrite();
	bool ReceiveAudioData(unsigned char* pData, unsigned long ulen);
	bool ReceiveVideoData(unsigned char* pData, unsigned long ulen);
};