#include?
#include?
#include?“stdafx.h“
#include?“Capture.h“
#include?“CaptureDlg.h“

#if?defined（WIN32）?&&?!defined（__cplusplus）
#define?inline?__inline
#endif

#ifdef?__cplusplus
?extern?“C“
?{
#endif
?
?#include?“libavcodec/avcodec.h“
?#include?“libavformat/avformat.h“
?#include?“libswscale/swscale.h“
?#include?“libavutil/avutil.h“

#ifdef?__cplusplus
?}
#endif

AVPacket?avpkt;
AVCodec*?codec;
AVCodecContext*?pCodecCtx;
AVCodecParserContext*?pCodecParserCtx;
AVframe	*pframe?*pframeRGB;
struct?SwsContext*?pImgCtx;
uint8_t*?pRGBBuf;
int?RGBBufBytes;

AVPacket?avpkt1;
AVCodec*?codec1;
AVCodecContext*?pCodecCtx1;
AVCodecParserContext*?pCodecParserCtx1;
AVframe	*pframe1?*pframeRGB1;
struct?SwsContext*?pImgCtx1;
uint8_t*?pRGBBuf1;
int?RGBBufBytes1;

#define	SAVE_RGB		0

#if?SAVE_RGB
FILE?*fp_rgb;
char?filepath_rgb[]?=?“\\ch0.rgb“;

FILE?*fp_rgb1;
char?filepath_rgb1[]?=?“\\ch1.rgb“;
#endif

#define?TRACE??

int?init_h264_decode（）
{
	av_init_packet（&avpkt）;
	
	avcodec_register_all（）;
	
????codec?=?avcodec_find_decoder（AV_CODEC_ID_H264）;
????if（!codec）{
????????TRACE（“Codec?not?found\n“）;
????????return?-1;
????}
????pCodecCtx?=?avcodec_alloc_context3（codec）;
????if（!pCodecCtx）{
????????TRACE（“Could?not?allocate?video?codec?context\n“）;
????????return?-1;
????}
?
????pCodecParserCtx=av_parser_init（AV_CODEC_ID_H264）;
????if?（!pCodecParserCtx）{
????????TRACE（“Could?not?allocate?video?parser?context\n“）;
????????return?-1;
????}
?????
????if（codec->capabilities&AV_CODEC_CAP_TRUNCATED）
????????pCodecCtx->flags|=?AV_CODEC_FLAG_TRUNCATED;?
?
????if?（avcodec_open2（pCodecCtx?codec?NULL）?????????TRACE（“Could?not?open?codec\n“）;
????????return?-1;
????}
	
????pframe?=?av_frame_alloc（）;
????pframeRGB?=?av_frame_alloc（）;
????if（!pframe?||?!pframeRGB）{
????????TRACE（“Could?not?allocate?video?frame\n“）;
????????return?-1;
????}
?
????RGBBufBytes?=?0;
????pRGBBuf?=?NULL;
????pImgCtx?=?NULL;

#if?SAVE_RGB
	if（fp_rgb）
	{
		fclose?（fp_rgb）;
		fp_rgb?=?NULL;
	}
	
	fp_rgb?=?fopen（filepath_rgb?“wb“）;
	if?（!fp_rgb）?{
		TRACE（“Could?not?open?output?RGB?file\n“）;
		return?-1;
	}
#endif

?	return?0;?
}

int?init_h264_decode1（）
{
	av_init_packet（&avpkt1）;
	
	avcodec_register_all（）;
	
????codec1?=?avcodec_find_decoder（AV_CODEC_ID_H264）;
????if（!codec1）{
????????TRACE（“Codec?not?found\n“）;
????????return?-1;
????}
????pCodecCtx1?=?avcodec_alloc_context3（codec1）;
????if（!pCodecCtx1）{
????????TRACE（“Could?not?allocate?video?codec?context\n“）;
????????return?-1;
????}
?
????pCodecParserCtx1=av_parser_init（AV_CODEC_ID_H264）;
????if?（!pCodecParserCtx1）{
????????TRACE（“Could?not?allocate?video?parser?context\n“）;
????????return?-1;
????}
?????
????if（codec1->capabilities&AV_CODEC_CAP_TRUNCATED）
????????pCodecCtx1->flags|=?AV_CODEC_FLAG_TRUNCATED;?
?
????if?（avcodec_open2（pCodecCtx1?codec1?NULL）?????????TRACE（

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

?????文件?????617273??2019-01-22?17:04??ffmpeg實時解碼h264碼流\ffmpeg-4.1-win32-dev.zip

?????文件???20671077??2019-01-22?17:03??ffmpeg實時解碼h264碼流\ffmpeg-4.1-win32-shared.zip

?????文件???????9815??2019-01-28?13:31??ffmpeg實時解碼h264碼流\xm_h264_decoder.cpp

?????目錄??????????0??2019-01-30?10:25??ffmpeg實時解碼h264碼流

-----------?---------??----------?-----??----

?????????????21298165????????????????????4