//?ffmpeg_test.cpp?:?定義控制臺應用程序的入口點。
//

#include?“stdafx.h“??

#include?
#ifdef?_CPPRTTI
extern?“C“??
{
#endif
	#include?“libavcodec/avcodec.h“??//編解碼器
	#include?“libavformat/avformat.h“?//格式上下文?
	#include?“libavformat/avio.h“??//音視頻IO
	#include?“libavutil/file.h“??//處理文件
#ifdef?_CPPRTTI??
};
#endif

void??SetStdClr（WORD?wd）
{
	SetConsoleTextAttribute（::GetStdHandle（STD_OUTPUT_HANDLE）wd?）;
}

int?_tmain（int?argc?_TCHAR*?argv[]）
{???
	//注冊所有?編碼器??解析器?二進制流過濾器
	?av_register_all（）;
	?avcodec_register_all（）;
	?SetStdClr（FOREGROUND_RED?|???FOREGROUND_GREEN）;
	?AVFormatContext?*pContext=NULL;//格式上下文
	?int?errNo=0?;
	?pContext=avformat_alloc_context（）;
	?//打開輸入文件?新接口
	?if（0==avformat_open_input（&pContext“.\\test.mp4“nullptrNULL））{
		?printf（“打開文件輸入成功!\n“）;
	?}else
		?return??0;
	?//從上下文檢索流信息
	if（0==avformat_find_stream_info（pContextNULL））
	{
		printf（“獲取流信息成功!\n“）;
	}else
		return?0?;
	//循環多個流
	?SetStdClr（FOREGROUND_RED?|???FOREGROUND_BLUE）;
	for?（unsigned?int?i=0;inb_streams;i++）
	{???

		//媒體流?
		AVStream?*pStream?=?pContext->streams[i];
		//幀率信息?為有理數/無理數
		AVRational?frame?=pStream->r_frame_rate;??

		//?時間比率單位
		AVRational?timebase?=?pStream->time_base;?
		
		//流的持續時間??比特率
		int64_t?duration=???pStream->duration?;?
		printf（“媒體持續時間%d\n“duration）;
		//獲取編碼類型
		AVCodecContext?*pCodecContext=pStream->codec?;
		//獲取?媒體類型
		/************************************************************************/
		/*?
		enum?AVMediaType?{
		AVMEDIA_TYPE_UNKNOWN?=?-1??///		AVMEDIA_TYPE_VIDEO
		AVMEDIA_TYPE_AUDIO
		AVMEDIA_TYPE_DATA??????????///		AVMEDIA_TYPE_SUBtitle
		AVMEDIA_TYPE_ATTACHMENT????///		AVMEDIA_TYPE_NB
		};
?????????????????????????????????????????????????????????????????????*/
		/************************************************************************/
		AVMediaType?avMediaType=pCodecContext->codec_type;
		//編碼器ID
		AVCodecID?codecID=pCodecContext->codec_id?;
		if（avMediaType?==?AVMEDIA_TYPE_AUDIO）
		{
			//如果是視頻
			int?audioChannels?=?pCodecContext->channels;
			int?samplerate?=?pCodecContext->sample_rate;
			PixelFormat?pixelFormat?=?pCodecContext->pix_fmt;
			printf（“Stream%d音頻\n“i）;
			printf（“音頻采樣頻率%d/%d\n“timebase.numtimebase.den）;
			printf（“音頻時間單位%d/%d\n“timebase.numtimebase.den）;
			printf（“音頻通道數%d\n“audioChannels）;

		}
		else?if（avMediaType?==?AVMEDIA_TYPE_VIDEO）
		{
			//如果是音頻
			int?videoWidth?=?pCodecContext->width;
			int?videoHeight?=?pCodecContext->height;
			AVSampleFormat?sampleFmt?=?pCodecContext->sample_fmt;
			printf（“Stream%d視頻\n“i）;
			printf（“幀率幀率%d/%d\n“frame.denframe.num）;
			printf（“視頻時間單位%d/%d\n“timebase.numtimebase.den）;
			printf（“圖像寬度:%d\t高度:%d\t%\n“videoWidthvideoHeight）;
			printf（“圖像寬度:%d\t高度:%d\t%\n“videoWidthvideoHeight）;
		}
		switch（codecID）
		{
		case??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????179942??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavcodec\avcodec.h

?????文件???????3111??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavcodec\avfft.h

?????文件???????3998??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavcodec\dv_profile.h

?????文件???????2358??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavcodec\dxva2.h

?????文件??????10623??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavcodec\old_codec_ids.h

?????文件???????4007??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavcodec\vaapi.h

?????文件???????5437??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavcodec\vda.h

?????文件???????7094??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavcodec\vdpau.h

?????文件???????6340??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavcodec\version.h

?????文件???????2317??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavcodec\vorbis_parser.h

?????文件???????6062??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavcodec\xvmc.h

?????文件??????16642??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavdevice\avdevice.h

?????文件???????1859??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavdevice\version.h

?????文件???????3321??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavfilter\asrc_abuffer.h

?????文件???????2390??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavfilter\avcodec.h

?????文件??????56887??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavfilter\avfilter.h

?????文件????????975??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavfilter\avfiltergraph.h

?????文件???????7539??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavfilter\buffersink.h

?????文件???????4899??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavfilter\buffersrc.h

?????文件???????2918??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavfilter\version.h

?????文件?????102499??2014-12-17?01:46??ffmpeg_test\ffmpeg\include\libavformat\avformat.h

?????文件??????18871??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavformat\avio.h

?????文件???????2391??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavformat\version.h

?????文件???????1584??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavutil\adler32.h

?????文件???????1834??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavutil\aes.h

?????文件???????4230??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavutil\attributes.h

?????文件?????????82??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavutil\audioconvert.h

?????文件???????4475??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavutil\audio_fifo.h

?????文件???????2113??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavutil\avassert.h

?????文件????????211??2014-12-16?15:50??ffmpeg_test\ffmpeg\include\libavutil\avconfig.h

............此處省略128個文件信息