gstreamer/subprojects/gst-plugins-base/docs/plugins
Nirbheek Chauhan a1463637e0 pango: Add a property to compensate for display response time
When measuring video latency, one mechanism involves taking a photo
with a camera of two screens showing the test video overlayed with
timeoverlay or clockoverlay. In these cases, if the display's pixel
response time is crappy, you will see ghosting due to which it can be
quite difficult to discern what the current timestamp being shown is.

This commit adds a property that *also* shows the timestamp in
a different (sequentially predictable) location every frame, which
makes it easy to tell what the latest rendered timestamp is.

For bonus points, you can also use the fade-time of the previous frame
to measure with sub-framerate accuracy when the photo was taken, not
just clamped to the framerate, giving you a higher precision latency
value.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6935>
2024-06-06 14:03:04 +00:00
..
all_index.md Move files from gst-plugins-base into the "subprojects/gst-plugins-base/" subdir 2021-09-24 16:13:26 -03:00
gst_plugins_cache.json pango: Add a property to compensate for display response time 2024-06-06 14:03:04 +00:00
index.md Move files from gst-plugins-base into the "subprojects/gst-plugins-base/" subdir 2021-09-24 16:13:26 -03:00
sitemap.txt Move files from gst-plugins-base into the "subprojects/gst-plugins-base/" subdir 2021-09-24 16:13:26 -03:00