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gstreamer/subprojects/gst-plugins-base/gst/videoconvertscale
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He Junyan f55b36e6aa videoscale: Fix the src video info error in transfer_colorimetry_from_input() 
Pipeline such as:
gst-launch-1.0 -vf videotestsrc ! video/x-raw,format=NV12,colorimetry=\(string\)bt709 \
 ! videoscale ! video/x-raw,format=I420 ! fakesink
Always trigger a error:
ERROR             video-info video-info.c:556:gst_video_info_from_caps: no width property given

Because it is called before the fixate_size(), the src caps' resolution
may be absent or not fixed. That causes that the src video info can not
be created correctly and we can not inherit the colorimetry and chroma-site
from the input caps.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2289>
2022-04-26 14:17:50 +00:00
..
gstvideoconvert.c videoconvertscale: Add properties to disable scaling/converting in videoconvert/videoscale 2022-04-20 17:09:20 -04:00
gstvideoconvert.h Introduce the videocolorscale element 2022-04-20 17:03:21 -04:00
gstvideoconvertscale.c videoscale: Fix the src video info error in transfer_colorimetry_from_input() 2022-04-26 14:17:50 +00:00
gstvideoconvertscale.h videoconvertscale: Add properties to disable scaling/converting in videoconvert/videoscale 2022-04-20 17:09:20 -04:00
gstvideoconvertscaleplugin.c Introduce the videocolorscale element 2022-04-20 17:03:21 -04:00
gstvideoscale.c videoconvertscale: Add properties to disable scaling/converting in videoconvert/videoscale 2022-04-20 17:09:20 -04:00
gstvideoscale.h Introduce the videocolorscale element 2022-04-20 17:03:21 -04:00
meson.build Introduce the videocolorscale element 2022-04-20 17:03:21 -04:00
README Introduce the videocolorscale element 2022-04-20 17:03:21 -04:00

README 

- test different strides using
gst-launch -v videotestsrc ! video/x-raw,width=320,height=240,format=UYVY ! videoconvertscale ! video/x-raw,width=328,height=240 ! xvimagesink
gst-launch -v videotestsrc ! video/x-raw,width=320,height=240,format=UYVY ! videoconvertscale ! video/x-raw,width=324,height=240 ! xvimagesink
gst-launch -v videotestsrc ! video/x-raw,width=320,height=240,format=UYVY ! videoconvertscale ! video/x-raw,width=322,height=240 ! xvimagesink
gst-launch -v videotestsrc ! video/x-raw,width=320,height=240,format=UYVY ! videoconvertscale ! video/x-raw,width=321,height=240 ! xvimagesink