小白刚入坑，设置一路vga就报 SAMPLE_PRT("get venc stream time out, exit thread\n");
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可以的，如果其他编码正常，说明程序哪里配置有问题导致超时
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还是没试出来.看看高人能否看出破绽?
HI_S32 SAMPLE_VENC_720P_CLASSICvga(HI_VOID)
{
PAYLOAD_TYPE_E enPayLoad[3]= {PT_H264, PT_H264,PT_H264};
PIC_SIZE_E enSize[3] = {PIC_HD720, PIC_VGA,PIC_QVGA};
//PIC_SIZE_E enSize[2] = {PIC_VGA,PIC_QVGA};
HI_U32 u32Profile = 0;
VB_CONF_S stVbConf;
SAMPLE_VI_CONFIG_S stViConfig = {0};
VPSS_GRP VpssGrp;
VPSS_CHN VpssChn;
VPSS_GRP_ATTR_S stVpssGrpAttr;
VPSS_CHN_ATTR_S stVpssChnAttr;
VPSS_CHN_MODE_S stVpssChnMode;
VENC_CHN VencChn;
SAMPLE_RC_E enRcMode= SAMPLE_RC_FIXQP;
HI_S32 s32ChnNum=1;
HI_S32 s32Ret = HI_SUCCESS;
HI_U32 u32BlkSize;
SIZE_S stSize;
/******************************************
step 1: init sys variable
******************************************/
memset(&stVbConf,0,sizeof(VB_CONF_S));
printf("s32ChnNum = %d\n",s32ChnNum);
stVbConf.u32MaxPoolCnt = 128;
/*video buffer*/
u32BlkSize = SAMPLE_COMM_SYS_CalcPicVbBlkSize(gs_enNorm,\
enSize[0], SAMPLE_PIXEL_FORMAT, SAMPLE_SYS_ALIGN_WIDTH);
stVbConf.astCommPool[0].u32BlkSize = u32BlkSize;
stVbConf.astCommPool[0].u32BlkCnt = g_u32BlkCnt;
/******************************************
step 2: mpp system init.
******************************************/
s32Ret = SAMPLE_COMM_SYS_Init(&stVbConf);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("system init failed with %d!\n", s32Ret);
goto END_VENC_720P_CLASSIC_0;
}
/******************************************
step 3: start vi dev & chn to capture
******************************************/
stViConfig.enViMode = SENSOR_TYPE;
stViConfig.enRotate = ROTATE_NONE;
stViConfig.enNorm = VIDEO_ENCODING_MODE_AUTO;
stViConfig.enViChnSet = VI_CHN_SET_NORMAL;
stViConfig.enWDRMode = WDR_MODE_NONE;
s32Ret = SAMPLE_COMM_VI_StartVi(&stViConfig);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("start vi failed!\n");
goto END_VENC_720P_CLASSIC_1;
}
/******************************************
step 4: start vpss and vi bind vpss
******************************************/
s32Ret = SAMPLE_COMM_SYS_GetPicSize(gs_enNorm, enSize[0], &stSize);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("SAMPLE_COMM_SYS_GetPicSize failed!\n");
goto END_VENC_720P_CLASSIC_1;
}
VpssGrp = 0;
stVpssGrpAttr.u32MaxW = stSize.u32Width;
stVpssGrpAttr.u32MaxH = stSize.u32Height;
stVpssGrpAttr.bIeEn = HI_FALSE;
stVpssGrpAttr.bNrEn = HI_TRUE;
stVpssGrpAttr.bHistEn = HI_FALSE;
stVpssGrpAttr.bDciEn = HI_FALSE;
stVpssGrpAttr.enDieMode = VPSS_DIE_MODE_NODIE;
stVpssGrpAttr.enPixFmt = PIXEL_FORMAT_YUV_SEMIPLANAR_420;
s32Ret = SAMPLE_COMM_VPSS_StartGroup(VpssGrp, &stVpssGrpAttr);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("Start Vpss failed!\n");
goto END_VENC_720P_CLASSIC_2;
}
s32Ret = SAMPLE_COMM_VI_BindVpss(stViConfig.enViMode);//vga vi02vpss1
if (HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("Vi bind Vpss failed!\n");
goto END_VENC_720P_CLASSIC_3;
}
s32Ret = SAMPLE_COMM_SYS_GetPicSize(gs_enNorm, enSize[1], &stSize);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("SAMPLE_COMM_SYS_GetPicSize failed!\n");//vga
goto END_VENC_720P_CLASSIC_1;
}
VpssChn = 1;
stVpssChnMode.enChnMode = VPSS_CHN_MODE_USER;
stVpssChnMode.bDouble = HI_FALSE;
stVpssChnMode.enPixelFormat = PIXEL_FORMAT_YUV_SEMIPLANAR_420;
stVpssChnMode.u32Width = stSize.u32Width;
stVpssChnMode.u32Height = stSize.u32Height;
stVpssChnMode.enCompressMode = COMPRESS_MODE_SEG;
memset(&stVpssChnAttr, 0, sizeof(stVpssChnAttr));
stVpssChnAttr.s32SrcFrameRate = -1;
stVpssChnAttr.s32DstFrameRate = -1;
enRcMode = SAMPLE_RC_VBR;
s32Ret = SAMPLE_COMM_VPSS_EnableChn(VpssGrp, VpssChn, &stVpssChnAttr, &stVpssChnMode, HI_NULL);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("Enable vpss chn failed!\n");
goto END_VENC_720P_CLASSIC_4;
}
/******************************************
step 5: start stream venc
******************************************/
/*** enSize[0] **/
VpssGrp = 0;
VpssChn = 1;
VencChn = 1;
s32Ret = SAMPLE_COMM_VENC_Start(VencChn, enPayLoad[0],\
gs_enNorm, enSize[1], enRcMode,u32Profile);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("Start Venc failed!\n");
goto END_VENC_720P_CLASSIC_5;
}
s32Ret = SAMPLE_COMM_VENC_BindVpss(VencChn, VpssGrp, VpssChn);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("Start Venc failed!\n");
goto END_VENC_720P_CLASSIC_5;
}
/******************************************
step 6: stream venc process -- get stream, then save it to file.
******************************************/
s32Ret = SAMPLE_COMM_VENC_StartGetStream(s32ChnNum);
if (HI_SUCCESS != s32Ret)
{
SAMPLE_PRT("Start Venc failed!\n");
goto END_VENC_720P_CLASSIC_5;
}
printf("please press twice ENTER to exit this sample\n");
//getchar();
//getchar();
goto END_VENC;
/******************************************
step 7: exit process
******************************************/
SAMPLE_COMM_VENC_StopGetStream();
END_VENC_720P_CLASSIC_5:
VpssGrp = 0;
VpssChn = 0;
VencChn = 0;
SAMPLE_COMM_VENC_UnBindVpss(VencChn, VpssGrp, VpssChn);
SAMPLE_COMM_VENC_Stop(VencChn);
SAMPLE_COMM_VI_UnBindVpss(stViConfig.enViMode);
END_VENC_720P_CLASSIC_4: //vpss stop
VpssGrp = 0;
VpssChn = 0;
SAMPLE_COMM_VPSS_DisableChn(VpssGrp, VpssChn);
END_VENC_720P_CLASSIC_3: //vpss stop
SAMPLE_COMM_VI_UnBindVpss(stViConfig.enViMode);
END_VENC_720P_CLASSIC_2: //vpss stop
SAMPLE_COMM_VPSS_StopGroup(VpssGrp);
END_VENC_720P_CLASSIC_1: //vi stop
SAMPLE_COMM_VI_StopVi(&stViConfig);
END_VENC_720P_CLASSIC_0: //system exit
SAMPLE_COMM_SYS_Exit();
END_VENC:
return s32Ret;
}
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可以的，如果其他编码正常，说明程序哪里配置有问题导致超时
次码流不能独立存在？
SXM19940913sxm
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嵌入式 视频编码（H264）hi3518 sample流程及API 原创
一、重要概念
主次码流
主次码流是指硬件逻辑单元启动一次同时产生的 2 路码流，即 1 路主码流和 1 路次码流。主码流和次码流可以为不同的编码协议，但其宽高比例都必须满足 1:1、1:2 或 1:4，次码流不能单独存在（必须和 1 路主码流在同一个通道组中） 。
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海思的RTSP推流服务器，PC用ffmpeg解码显示no existing PPS 0 reference，no frame，有什么办法？还有PC端的ffmpeg不能解码720p以上分辨率的，invalid UE holomb code！得用海思的PC 解码库？
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