Opened 4 years ago
Closed 4 years ago
#8722 closed defect (invalid)
Video Encode engine used while decoding H264 stream in Radeon 5700XT
| Reported by: | JK | Owned by: | |
|---|---|---|---|
| Priority: | normal | Component: | undetermined |
| Version: | unspecified | Keywords: | |
| Cc: | Blocked By: | ||
| Blocking: | Reproduced by developer: | no | |
| Analyzed by developer: | no |
Description
I'm testing hardware decompression of h264 stream using DXVA2 option in modified hw_decode example. I've added only logs and I've removed saving to file. Video stream resolution is 3840x2160, 59.94fps, yuv420p (but resolution doesn't matter).
On Radeon 580 I'm observing, that in Task Manager Video Decode engine is used for about 40%.
On Radeon 5700XT Task Manager shows Video Encode, instead of Decode and it is used for about 60%.
Is it possible, that it is sth wrong in GPU driver? Driver version is official, not optional.
ffmpeg (x64) version: (pre-built version)
libavutil 56. 31.100 / 56. 31.100
libavcodec 58. 54.100 / 58. 54.100
libavformat 58. 29.100 / 58. 29.100
libavfilter 7. 57.100 / 7. 57.100
libswscale 5. 5.100 / 5. 5.100
libswresample 3. 5.100 / 3. 5.100
Attachments (1)
Change History (3)
by , 4 years ago
| Attachment: | source_logs_and_screens.zip added |
|---|
comment:1 by , 4 years ago
| Keywords: | dxva2 video decode encode removed |
|---|---|
| Version: | 4.2 → unspecified |
Do I understand correctly that you are reporting a graphics driver bug on the FFmpeg bug tracker?
comment:2 by , 4 years ago
| Resolution: | → invalid |
|---|---|
| Status: | new → closed |
Source file, logs from both GPU cards (verbose) and Task Manager screens