#pragma?once
#include?“MP4Encoder.h“
//#pragma?comment（lib?“../lib/libmp4v2.lib“）


#define?INVALID_PTS?0xFFFFFFFFFFFFFFFF

#define?DEFAULT_VIDEO_TRACK_NUM?3
#define?DEFAULT_VIDEO_PROFILE_LEVEL?1
#define?DEFAULT_AUDIO_PROFILE_LEVEL?2



MP4Encoder::MP4Encoder（void）
	:?m_hFile（MP4_INVALID_FILE_HANDLE）
	?m_videoTrack（MP4_INVALID_TRACK_ID）
	?m_audioTrack（MP4_INVALID_TRACK_ID）
{
}

MP4Encoder::~MP4Encoder（void）
{
}


int?MP4Encoder::MP4CreateFile（const?char?*sFileNameint?Movie_Time_Scale）
{
	m_hFile?=?MP4Create（sFileName）;
	if?（m_hFile?==?MP4_INVALID_FILE_HANDLE）
	{
		printf（“create?mp4?file?error!\n“）;
		return?-1;
	}
	if?（!MP4SetTimeScale（m_hFile?Movie_Time_Scale））
	{
		printf（“set?time?Scale?error!\n“）;
		return?-1;
	}
	return?0;
}

int??MP4Encoder::MP4AddH264Track（const?uint8_t?*sData?int?nSize
	int?nWidth?int?nHeight?int?nframeRate?int?Video_Time_Scale）
{
	int?sps?pps;
	for?（sps?=?0;?sps?		if?（sData[sps++]?==?0x00?&&?sData[sps++]?==?0x00?&&?sData[sps++]?==?0x00
			&&?sData[sps++]?==?0x01）
			break;
	for?（pps?=?sps;?pps?		if?（sData[pps++]?==?0x00?&&?sData[pps++]?==?0x00?&&?sData[pps++]?==?0x00
			&&?sData[pps++]?==?0x01）
			break;
	if?（sps?>=?nSize?||?pps?>=?nSize）
		return?-1;
	m_videoTrack?=?MP4AddH264VideoTrack（m_hFile?Video_Time_Scale
		Video_Time_Scale?/?nframeRate?nWidth?nHeight
		sData[sps?+?1]?sData[sps?+?2]?sData[sps?+?3]?DEFAULT_VIDEO_TRACK_NUM）;//sps?后面的三個字節(jié)
	if?（MP4_INVALID_TRACK_ID?==?m_videoTrack）
	{
		printf（“add?video?track?error!\n“）;
		return?-1;
	}
	MP4SetVideoProfileLevel（m_hFile?DEFAULT_VIDEO_PROFILE_LEVEL）;
	MP4AddH264SequenceParameterSet（m_hFile?m_videoTrack?sData?+?spspps?-?sps?-?4）;//sps??內(nèi)容??起始位置+長度??
	MP4AddH264PictureParameterSet（m_hFile?m_videoTrack?sData?+?ppsnSize?-?pps）;//?pps?內(nèi)容??起始位置+長度

	return?0;
}

int???MP4Encoder::MP4AddAACTrack（const?uint8_t?*sData?int?nSizeint?Audio_Time_Scale）
{
	m_audioTrack?=?MP4AddAudioTrack（m_hFile?Audio_Time_Scale
		/**
		?*?In?fact?this?is?not?a?magic?number.?A?formula?might?be:
		?*?SampleRate?*?ChannelNum?*?2?/?SampleFormat
		?*?8000?*?1?*?2?/?16?（字節(jié)對齊，這里是?AV_SAMPLE_FMT_S16）
		?*/
		1024?MP4_MPEG4_AUDIO_TYPE）;
	if?（MP4_INVALID_TRACK_ID?==?m_audioTrack）
	{
		printf（“add?audio?track?error!\n“）;
		return?-1;
	}
	MP4SetAudioProfileLevel（m_hFile?DEFAULT_AUDIO_PROFILE_LEVEL）;
	if?（!MP4SetTrackESConfiguration（m_hFile?m_audioTrack?sData?nSize））
	{
		printf（“set?track?ESConfiguration?error!\n“）;
		return?-1;
	}
	return?0;
}

int?MP4Encoder::MP4WriteH264Data（uint8_t?*sData?int?nSizeuint64_t?video_cur_pts）
{

	bool?result?=?false;
	sData[0]?=?（nSize?-?4）?>>?24;
	sData[1]?=?（nSize?-?4）?>>?16;
	sData[2]?=?（nSize?-?4）?>>?8;
	sData[3]?=?nSize?-?4;

	if（nSize<0||sData==NULL）
		return?-1;



	if?（（sData[4]?&?0x1F）?==?5）//判斷I幀
		result?=?MP4WriteSample（m_hFile?m_videoTrack?sData?nSizeMP4_INVALID_DURATION0true）;
	else
		result?=

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-07-31?11:40??MP4Record\
?????目錄???????????0??2019-08-06?16:41??MP4Record\MP4Recorder\
?????目錄???????????0??2019-07-31?11:41??MP4Record\MP4Recorder\.vs\
?????目錄???????????0??2019-07-31?11:41??MP4Record\MP4Recorder\.vs\MP4Recorder\
?????目錄???????????0??2019-07-31?11:41??MP4Record\MP4Recorder\.vs\MP4Recorder\v14\
?????文件???????50176??2019-07-31?12:03??MP4Record\MP4Recorder\.vs\MP4Recorder\v14\.suo
?????目錄???????????0??2019-08-01?15:17??MP4Record\MP4Recorder\Debug\
?????文件????31476736??2018-07-25?16:07??MP4Record\MP4Recorder\Debug\avcodec-58.dll
?????文件?????1307136??2018-07-25?16:07??MP4Record\MP4Recorder\Debug\avdevice-58.dll
?????文件?????6681600??2018-07-25?16:07??MP4Record\MP4Recorder\Debug\avfilter-7.dll
?????文件?????5897216??2018-07-25?16:07??MP4Record\MP4Recorder\Debug\avformat-58.dll
?????文件??????671232??2018-07-25?16:07??MP4Record\MP4Recorder\Debug\avutil-56.dll
?????文件??????616960??2014-06-10?15:48??MP4Record\MP4Recorder\Debug\libmp4v2.dll
?????文件?????8247888??2013-06-09?19:53??MP4Record\MP4Recorder\Debug\mfc110ud.dll
?????文件??????821224??2012-11-06?02:20??MP4Record\MP4Recorder\Debug\msvcp110d.dll
?????文件?????1697232??2012-11-06?02:20??MP4Record\MP4Recorder\Debug\msvcr110d.dll
?????文件??????116736??2018-07-25?16:07??MP4Record\MP4Recorder\Debug\postproc-55.dll
?????文件??????324608??2018-07-25?16:07??MP4Record\MP4Recorder\Debug\swresample-3.dll
?????文件??????513024??2018-07-25?16:07??MP4Record\MP4Recorder\Debug\swscale-5.dll
?????目錄???????????0??2019-08-01?15:17??MP4Record\MP4Recorder\MP4Recorder\
?????目錄???????????0??2019-08-01?15:17??MP4Record\MP4Recorder\MP4Recorder\Debug\
?????文件???????17160??2019-08-01?15:17??MP4Record\MP4Recorder\MP4Recorder\Debug\MP4Encoder.obj
?????文件????????2988??2019-08-01?15:17??MP4Record\MP4Recorder\MP4Recorder\Debug\MP4Recorder.Build.CppClean.log
?????文件??????????69??2018-08-22?19:42??MP4Record\MP4Recorder\MP4Recorder\Debug\MP4Recorder.lastbuildstate
?????文件????????3579??2019-08-01?15:17??MP4Record\MP4Recorder\MP4Recorder\Debug\MP4Recorder.log
?????目錄???????????0??2019-08-01?15:17??MP4Record\MP4Recorder\MP4Recorder\Debug\MP4Recorder.tlog\
?????文件???????42504??2019-08-01?15:17??MP4Record\MP4Recorder\MP4Recorder\Debug\MP4Recorder.tlog\CL.read.1.tlog
?????文件????????1586??2019-08-01?15:17??MP4Record\MP4Recorder\MP4Recorder\Debug\MP4Recorder.tlog\CL.write.1.tlog
?????文件?????????211??2019-08-01?15:17??MP4Record\MP4Recorder\MP4Recorder\Debug\MP4Recorder.tlog\MP4Recorder.lastbuildstate
?????文件????????1554??2019-08-01?15:17??MP4Record\MP4Recorder\MP4Recorder\Debug\MP4Recorder.tlog\cl.command.1.tlog
?????文件???????????0??2019-08-01?15:17??MP4Record\MP4Recorder\MP4Recorder\Debug\MP4Recorder.tlog\unsuccessfulbuild
............此處省略157個文件信息