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資源簡介

HI35xx平臺MPEG解碼實例源碼是一個樣例，演示了如何使用HIMPP提供的API進行MPEG視頻解碼的程序設計。

資源截圖

代碼片段和文件信息 

#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?“sample_comm.h“

#define?hidebug（mesg?args...）?fprintf（stderr?“[HiSample?print:%s:%d:]?“?mesg?“\n“?__FILE__?__LINE__?##args）?

/*
**函數描述：linux標準信號捕捉函數
**函數功用：退出HIMPP調用，銷毀緩沖
*/
HI_VOID?SAMPLE_VDEC_HandleSig（HI_S32?signo）
{
	?HI_S32?i;
????if?（SIGINT?==?signo?||?SIGTSTP?==?signo?||?SIGTERM?==?signo）
????{
		HI_MPI_SYS_Exit（）;
		for（i=0;i		{
			HI_MPI_VB_ExitModCommPool（i）;
		}
		for（i=0;?i		{
			HI_MPI_VB_DestroyPool（i）;
		}	
		HI_MPI_VB_Exit（）;
????????printf（“\033[0;31mprogram?exit?abnormally!\033[0;39m\n“）;
????}
????exit（0）;
}

/*
**函數描述：用于音視頻文件讀寫推流
**函數功用：用fread等文件操作函數讀取音視頻文件，并解析后推送HIMPP進行解碼
*/
int?SAMPLE_COMM_VDEC_JPEG_SendStream（?VdecThreadParam?*pArgs）
{
????VdecThreadParam?*pstVdecThreadParam?=pArgs;
????FILE?*fpStrm=NULL;
????HI_U8?*pu8Buf?=?NULL;
????VDEC_STREAM_S?stStream;
????HI_BOOL?bFindStart?bFindEnd;
????HI_S32?s32Ret??i??start?=?0;
????HI_S32?s32UsedBytes?=?0?s32ReadLen?=?0;
????HI_U64?u64pts?=?0;
????HI_S32?len;
????HI_BOOL?sHasReadStream?=?HI_FALSE;?

???//?prctl（PR_SET_NAME?“hi_SendStream“?0?0?0）;

????if（pstVdecThreadParam->cFileName?!=?0）//打開文件
????{
????????fpStrm?=?fopen（pstVdecThreadParam->cFileName?“rb“）;
????????if（fpStrm?==?NULL）
????????{
????????????printf（“SAMPLE_TEST:can‘t?open?file?%s?in?send?stream?thread:%d\n“pstVdecThreadParam->cFileName?pstVdecThreadParam->s32ChnId）;
????????????return?HI_FAILURE;
????????}
????}
????//printf（“SAMPLE_TEST:chn?%d?stream?file:%s?bufsize:?%d\n“?
????//pstVdecThreadParam->s32ChnId?pstVdecThreadParam->cFileName?pstVdecThreadParam->s32MinBufSize）;

????pu8Buf?=?malloc（pstVdecThreadParam->s32MinBufSize）;//開辟緩沖區
????if（pu8Buf?==?NULL）
????{
????????printf（“SAMPLE_TEST:can‘t?alloc?%d?in?send?stream?thread:%d\n“?pstVdecThreadParam->s32MinBufSize?pstVdecThreadParam->s32ChnId）;
????????fclose（fpStrm）;
????????return?HI_FAILURE;
????}?????
????fflush（stdout）;
	
????u64pts?=?pstVdecThreadParam->u64PtsInit;
????while?（1）
????{
????????if?（pstVdecThreadParam->eCtrlSinal?==?VDEC_CTRL_STOP）
????????{
????????????break;
????????}
????????else?if?（pstVdecThreadParam->eCtrlSinal?==?VDEC_CTRL_PAUSE）
????????{
????????????sleep（MIN2（pstVdecThreadParam->s32IntervalTime1000））;
????????????continue;
????????}

????????if?（?（pstVdecThreadParam->s32StreamMode==VIDEO_MODE_frame）?&&?（pstVdecThreadParam->enType?==?PT_MP4VIDEO）?）
????????{
????????????bFindStart?=?HI_FALSE;??
????????????bFindEnd???=?HI_FALSE;
????????????fseek（fpStrm?s32UsedBytes?SEEK_SET）;
????????????s32ReadLen?=?fread（pu8Buf?1?pstVdecThreadParam->s32MinBufSize?fpStrm）;//讀取文件
????????????if?（s32ReadLen?==?0）
????????????{
????????????????if?（pstVdecThreadParam->bLoopSend）
??????????

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

?????文件???????8341??2017-11-24?14:12??mpeg\include\aacdec.h

?????文件???????5967??2017-11-24?14:12??mpeg\include\aacenc.h

?????文件??????13788??2017-11-24?14:12??mpeg\include\hifb.h

?????文件???????9268??2017-11-24?14:12??mpeg\include\hi_common.h

?????文件???????5463??2017-11-24?14:12??mpeg\include\hi_comm_adec.h

?????文件???????4876??2017-11-24?14:12??mpeg\include\hi_comm_aenc.h

?????文件????????879??2017-11-24?14:12??mpeg\include\hi_comm_ai.h

?????文件??????22042??2017-11-24?14:12??mpeg\include\hi_comm_aio.h

?????文件????????881??2017-11-24?14:12??mpeg\include\hi_comm_ao.h

?????文件??????56331??2017-11-24?14:12??mpeg\include\hi_comm_hdmi.h

?????文件??????13734??2017-11-24?14:12??mpeg\include\hi_comm_ive.h

?????文件???????9316??2017-11-24?14:12??mpeg\include\hi_comm_pciv.h

?????文件??????15289??2017-11-24?14:12??mpeg\include\hi_comm_rc.h

?????文件??????10019??2017-11-24?14:12??mpeg\include\hi_comm_region.h

?????文件???????3934??2017-11-24?14:12??mpeg\include\hi_comm_sys.h

?????文件???????3891??2017-11-24?14:12??mpeg\include\hi_comm_vb.h

?????文件???????9675??2017-11-24?14:12??mpeg\include\hi_comm_vda.h

?????文件???????9631??2017-11-24?14:12??mpeg\include\hi_comm_vdec.h

?????文件??????33488??2017-11-24?14:12??mpeg\include\hi_comm_venc.h

?????文件???????4905??2017-11-24?14:12??mpeg\include\hi_comm_vgs.h

?????文件??????21043??2017-11-24?14:12??mpeg\include\hi_comm_vi.h

?????文件???????9743??2017-11-24?14:12??mpeg\include\hi_comm_video.h

?????文件??????22985??2017-11-24?14:12??mpeg\include\hi_comm_vo.h

?????文件???????7384??2017-11-24?14:12??mpeg\include\hi_comm_vpss.h

?????文件???????4621??2017-11-24?14:12??mpeg\include\hi_debug.h

?????文件??????15794??2017-11-24?14:12??mpeg\include\hi_defines.h

?????文件???????5072??2017-11-24?14:12??mpeg\include\hi_errno.h

?????文件???????2790??2017-11-24?14:12??mpeg\include\hi_io.h

?????文件??????24639??2017-11-24?14:12??mpeg\include\hi_ive.h

?????文件??????13913??2017-11-24?14:12??mpeg\include\hi_jpeg_api.h

............此處省略51個文件信息

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