This answer record contains patch updates for the Zynq UltraScale+ MPSoC - LogiCORE H.264/H.265 Video Codec Unit (VCU) from the 2018.3 release.
It contains the Linux Kernel Module, VCU Control Software, GStreamer and OMX patches.
For additional technical help, please post to the Xilinx Video Forums or contact Xilinx Technical Support.
Patch Contents:
This patch fixes the following software issues for the Zynq UltraScale+ MPSoC - LogiCORE H.264/H.265 Video Codec Unit (VCU) in the 2018.3 release.
The attached patch is cumulative and fixes all issues listed below.
| Patch name | Answer Record | Title |
|---|---|---|
| 2019-06-29 | (Xilinx Answer 72503) | How do I improve the quality of the video when using the VCU Encoder to encode video content containing scrolling text? |
| 2019-03-14 | (Xilinx Answer 72166) | Why does the VCU hang when trying to flush multiple times when closing a file? |
| 2019-03-06 | (Xilinx Answer 72080) | Why do I get an error when using GStreamer in reduced latency mode (latency-mode=1) when trying to decode more than 2 streams? |
| 2019-02-08 | (Xilinx Answer 71813) | Why does the VCU Control Software Decoder Example applications hang while decoding streams which contain errors? |
| 2019-02-05 | (Xilinx Answer 71993) | Why do I see a bitrate of 1.55Mbps when using CBR Rate Control Mode with a Target Bit Rate is 1 Mbps and using a GOP Length of 12? |
| 2019-02-05 | (Xilinx Answer 71991) | Why do I see "blocky" results when decoding non-compliant stream where the max_dec_frame_buffering is larger than the MaxDpbSize? |
| 2019-02-05 | (Xilinx Answer 71987) | Why does the IDR not repeat when the IDR picture frequency is 1 and the GOP Length is 1? |
| 2019-01-16 | (Xilinx Answer 71934) | Why am I getting a "Channel creation failed" error when using the LOW_DELAY_P mode with HEVC multi-stream encoding? |
| 2019-01-04 | (Xilinx Answer 71813) | Why does the VCU Control Software Decoder Example applications hang while decoding streams which contain errors? |
| 2018-12-21 | (Xilinx Answer 71871) | Why does the VCU produce bad quality output when the LambdaCtrlMode = DYNAMIC_LDA or AUTO_LDA? |
| 2018-12-06 | (Xilinx Answer 71809) | Why does GStreamer crash when trying to decode some transport stream (TS) files? |
| 2018-12-06 | (Xilinx Answer 71810) | Why do I observe that the display freezes after about 10 minutes of decoding and displaying some H.264 streams that are missing the start code in the first NAL unit? |
| 2018-12-06 | (Xilinx Answer 71811) | Why does the VCU Decoder Control Software always output 10-bit data? |
| 2018-12-06 | (Xilinx Answer 71812) | Why does the VCU Encoder take more time when using CONST_QP mode than it does in VBR mode? |
| 2018-12-06 | (Xilinx Answer 71813) | Why does the VCU Control Software Decoder Example applications hang while decoding streams which contain errors? |
This patch is intended for use with the 2018.3 release, but can also be applied to the 2018.2 version.
These fixes will be available in the 2019.1 or 2019.2 release.
How to apply the patch:
Note: For more details on how to apply a patch to recipes, please refer to (UG1144) or http://www.wiki.xilinx.com/PetaLinux+Yocto+Tips
Note: Select the correct version for your release of PetaLinux.
| 文件名 | 文件大小 | File Type |
|---|---|---|
| 2019-06-19_-_AR71798-vcu-multimedia-patches-v2018-2.tar.gz | 87 KB | GZ |
| 2019-06-19_-_AR71798-vcu-multimedia-patches-v2018-3.tar.gz | 87 KB | GZ |
| Answer Number | 问答标题 | 问题版本 | 已解决问题的版本 |
|---|---|---|---|
| 71653 | PetaLinux 2018.3 - Product Update Release Notes and Known Issues | N/A | N/A |
| 66763 | LogiCORE H.264/H.265 Video Codec Unit (VCU) - Release Notes and Known Issues for the Vivado 2017.3 tool and later versions | N/A | N/A |
| AR# 71798 | |
|---|---|
| 日期 | 08/01/2019 |
| 状态 | Active |
| Type | 综合文章 |
| 器件 | |
| Tools | |
| IP | |