H264 decode strange issue!

Autonomous Machines Jetson & Embedded Systems Jetson TX2
1

HI!, I try decode h264 bitstream from Hikvision IPcam with multimedia api on jetson TX2. And found strange issue. Result frame produced with video_decode sample contain image only on left part of frame, right part contain green color.

image
image1288×747 167 KB

tegra_multimedia_api/samples/00_video_decode# ./video_decode H264 -f 2 --dbg-level 3 --input-nalu --disable-rendering --max-perf -o 44.yuv ./44.h264

Used jetpack 4.3.

3

Hi,
You may try direct rendering:

00_video_decode$ export DISPLAY=:1
00_video_decode$ ./video_decode H264 ./44.h264
4

Same Result!

5

Hi,
It looks specific to the h264 stream. Please share 44.h264 so that we can reproduce the issue and check further.

6

file 44.h264

7

Hi,
We don’t observe the issue. Probably you don’t run the sample in

/usr/src/jetson_multimedia_api/samples/01_video_encode

Now the samples are installed through SDKManager. Please go to the path and try.

8

I used /usr/src/tegra_multimedia_api/samples/00_video_decode from jetpack 4.3 and observe issue

9

Hi,
I can see correct video output in running:

00_video_decode$ export DISPLAY=:1
00_video_decode$ ./video_decode H264 /home/nvidia/44.h264
Set governor to performance before enabling profiler
Creating decoder in blocking mode
Opening in BLOCKING MODE
NvMMLiteOpen : Block : BlockType = 261
NVMEDIA: Reading vendor.tegra.display-size : status: 6
NvMMLiteBlockCreate : Block : BlockType = 261
Setting frame input mode to 1
Starting decoder capture loop thread
Video Resolution: 1280x720
[INFO] (NvEglRenderer.cpp:110) <renderer0> Setting Screen width 1280 height 720
Decoder colorspace ITU-R BT.709 with extended range luma (0-255)
Query and set capture successful
Input file read complete
Exiting decoder capture loop thread
App run was successful