qml6glsink: fps decrease compared to qt5 qmlglsink
Describe your issue
Significant decrease in FPS in qml6glsink relative to qmlglsink(qt5)
Expected Behavior
rtsp is played with native fps, similar to what happens in vlc
Observed Behavior
FPS reduced by 20-40% relative to qt5 and FPS at source
Setup
- Operating System: Windows
- Device: Computer
- GStreamer Version: 1.23.0
- Command line:
Steps to reproduce the bug
- Play low-quality stream with qml6glsink
How reproducible is the bug?
Always
Screenshots if relevant
on left side qmlglsink, on right side qml6glsink, pipeline and code the same: https://drive.google.com/file/d/1qdelYydk9ANxMX4I4ca4UzPTCu-UM_Oo/view?usp=sharing
Additional Information
Video info:
Codec: H264 - MPEG-4 AVC (part 10)
Resolution: 960x576
framerate: 12
colors: ITU-R BT.709