RV1126 rkmedai例子测试

使用1.8版本SDK，测试rkmedia_vi_rockx_venc_rtsp_test例子，出错，运行rkmedia_vi_venc_rtsp_test例子正常，
要怎么修改才能让rkmedia_vi_rockx_venc_rtsp_test例子正常运行。

[root@RV1126_RV1109:/demo]# ./rkmedia_vi_rockx_venc_rtsp_test
media get entity by name: rkcif-lvds-subdev is null
media get entity by name: rkcif-lite-lvds-subdev is null
media get entity by name: rkisp-mpfbc-subdev is null
media get entity by name: rkisp_dmapath is null
media get entity by name: rockchip-mipi-dphy-rx is null
Rga built version:1.04 +2022-06-07 08:07:18

Test START <<<<<<<<<<<<<<<<<<<<<<

Aiq xml dirpath: (null)

hdr mode: 0

fps: 30

bMultictx: 0

CameraIdx: 0

data version: 29

config dirpath: /oem/usr/share/rtsp-nn.cfg

runtime path: /usr/lib/librknn_runtime.so

photo dirpath: /tmp/

limit score: 0.450000

detect time log en: 0

draw time log en: 0

stress_mode: 0

open /oem/usr/share/rtsp-nn.cfg failed
init rtsp
[INFO rtsp_demo.c:281:rtsp_new_demo] rtsp server demo starting on port 554
init mpi

RKMEDIA Log level: 2

[RKMEDIA][SYS][Info]:text is all=2
[RKMEDIA][SYS][Info]:module is all, log_level is 2
[RKMEDIA][SYS][Info]:RK_MPI_VENC_CreateChn: Enable VENC[0], Type:8 Start…
mpp[3987]: mpp_rt: NOT found ion allocator
mpp[3987]: mpp_rt: found drm allocator
mpp[3987]: mpp_info: mpp version: unknown mpp version for missing VCS info
[RKMEDIA][VENC][Info]:MPP Encoder: MPPConfig: cfg init sucess!
[RKMEDIA][VENC][Info]:MPP Encoder[JPEG]: config for JPEG…
[RKMEDIA][VENC][Info]:MPP Encoder[JPEG]: rotaion = 0
[RKMEDIA][VENC][Error]:MPP Encoder: width invalid value(0)
[RKMEDIA][VENC][Info]:Fail to init config, rkmpp
[RKMEDIA][VENC][Info]:MPP Encoder: MPPConfig: cfg deinit done!
[RKMEDIA][SYS][Info]:mpp destroy ctx done
[RKMEDIA][SYS][Error]:[RkmediaCreateJpegLight]: Create flow video_enc failed
[RKMEDIA][SYS][Info]:RK_MPI_VENC_CreateChn: Enable VENC[0], Type:8 End…
Create Venc(JPEG) failed! ret=-21
snap venc start fail, ret is -21