Deinterlace plugin working backwards ?

Wed Oct 28 11:51:14 UTC 2020

Have you also tried framerate=25/1?

On Wed, 28 Oct 2020 at 11:37, Rob Heig <robhhh6 at gmail.com> wrote:

> Thanks for your reply! Yes I've did that, what I get is that window that
> gets displayed has two frames one on top of the other, still doubling the
> frame rate:
>
> gst-launch-1.0 -v filesrc location=vvvv.raw ! videoparse width=768
> height=576 format=4 framerate=50/1 interlaced=true ! videoconvert !
> deinterlace ! autovideosink
>
> Setting pipeline to PAUSED ...
> Pipeline is PREROLLING ...
> /GstPipeline:pipeline0/GstVideoParse:videoparse0/GstRawVideoParse:inner_rawvideoparse.GstPad:src:
> caps = video/x-raw, format=(string)YUY2, width=(int)768, height=(int)576,
> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
> chroma-site=(string)jpeg, colorimetry=(string)bt601,
> framerate=(fraction)50/1
> /GstPipeline:pipeline0/GstVideoParse:videoparse0.GstGhostPad:src: caps =
> video/x-raw, format=(string)YUY2, width=(int)768, height=(int)576,
> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
> chroma-site=(string)jpeg, colorimetry=(string)bt601,
> framerate=(fraction)50/1
> /GstPipeline:pipeline0/GstVideoConvert:videoconvert0.GstPad:src: caps =
> video/x-raw, width=(int)768, height=(int)576,
> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
> framerate=(fraction)50/1, format=(string)YV12
> /GstPipeline:pipeline0/GstDeinterlace:deinterlace0.GstPad:src: caps =
> video/x-raw, width=(int)768, height=(int)576,
> interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1,
> framerate=(fraction)100/1, format=(string)YV12
> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0.GstGhostPad:sink.GstProxyPad:proxypad2:
> caps = video/x-raw, width=(int)768, height=(int)576,
> interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1,
> framerate=(fraction)100/1, format=(string)YV12
> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage.GstPad:sink:
> caps = video/x-raw, width=(int)768, height=(int)576,
> interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1,
> framerate=(fraction)100/1, format=(string)YV12
> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0.GstGhostPad:sink:
> caps = video/x-raw, width=(int)768, height=(int)576,
> interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1,
> framerate=(fraction)100/1, format=(string)YV12
> /GstPipeline:pipeline0/GstDeinterlace:deinterlace0.GstPad:sink: caps =
> video/x-raw, width=(int)768, height=(int)576,
> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
> framerate=(fraction)50/1, format=(string)YV12
> /GstPipeline:pipeline0/GstVideoConvert:videoconvert0.GstPad:sink: caps =
> video/x-raw, format=(string)YUY2, width=(int)768, height=(int)576,
> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
> chroma-site=(string)jpeg, colorimetry=(string)bt601,
> framerate=(fraction)50/1
> /GstPipeline:pipeline0/GstVideoParse:videoparse0.GstGhostPad:src.GstProxyPad:proxypad1:
> caps = video/x-raw, format=(string)YUY2, width=(int)768, height=(int)576,
> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
> chroma-site=(string)jpeg, colorimetry=(string)bt601,
> framerate=(fraction)50/1
> Pipeline is PREROLLED ...
> Setting pipeline to PLAYING ...
> New clock: GstSystemClock
> Got EOS from element "pipeline0".
> Execution ended after 0:00:03.000241651
> Setting pipeline to PAUSED ...
> Setting pipeline to READY ...
> Setting pipeline to NULL ...
> Freeing pipeline ...
>
> On Wed, 28 Oct 2020 at 12:11, Tony Houghton <h at realh.co.uk> wrote:
>
>> It seems more conventional to refer to the total frame height rather than
>> the height of each field, so have you tried using "height=576" instead?
>>
>> On Wed, 28 Oct 2020 at 11:00, Rob Heig <robhhh6 at gmail.com> wrote:
>>
>>> Hello,
>>> I'm trying to deinterlace an interlaced raw video, but despite having
>>> spent 2 days on this I am still stuck. The interesting thing is that, by
>>> looking at the output of gst-launch, I see weird results:
>>>
>>> gst-launch-1.0 -v filesrc location=vvvv.raw ! videoparse width=768
>>> height=288 format=4 framerate=50/1 interlaced=true ! videoconvert !
>>> deinterlace ! autovideosink
>>>
>>> Setting pipeline to PAUSED ...
>>> Pipeline is PREROLLING ...
>>> /GstPipeline:pipeline0/GstVideoParse:videoparse0/GstRawVideoParse:inner_rawvideoparse.GstPad:src:
>>> caps = video/x-raw, format=(string)YUY2, width=(int)768, height=(int)288,
>>> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
>>> chroma-site=(string)jpeg, colorimetry=(string)bt601,
>>> framerate=(fraction)50/1
>>> /GstPipeline:pipeline0/GstVideoParse:videoparse0.GstGhostPad:src: caps =
>>> video/x-raw, format=(string)YUY2, width=(int)768, height=(int)288,
>>> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
>>> chroma-site=(string)jpeg, colorimetry=(string)bt601,
>>> framerate=(fraction)50/1
>>> /GstPipeline:pipeline0/GstVideoConvert:videoconvert0.GstPad:src: caps =
>>> video/x-raw, width=(int)768, height=(int)288,
>>> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
>>> framerate=(fraction)50/1, format=(string)YV12
>>> /GstPipeline:pipeline0/GstDeinterlace:deinterlace0.GstPad:src: caps =
>>> video/x-raw, width=(int)768, height=(int)288,
>>> interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1,
>>> framerate=(fraction)100/1, format=(string)YV12
>>> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0.GstGhostPad:sink.GstProxyPad:proxypad2:
>>> caps = video/x-raw, width=(int)768, height=(int)288,
>>> interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1,
>>> framerate=(fraction)100/1, format=(string)YV12
>>> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage.GstPad:sink:
>>> caps = video/x-raw, width=(int)768, height=(int)288,
>>> interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1,
>>> framerate=(fraction)100/1, format=(string)YV12
>>> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0.GstGhostPad:sink:
>>> caps = video/x-raw, width=(int)768, height=(int)288,
>>> interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1,
>>> framerate=(fraction)100/1, format=(string)YV12
>>> /GstPipeline:pipeline0/GstDeinterlace:deinterlace0.GstPad:sink: caps =
>>> video/x-raw, width=(int)768, height=(int)288,
>>> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
>>> framerate=(fraction)50/1, format=(string)YV12
>>> /GstPipeline:pipeline0/GstVideoConvert:videoconvert0.GstPad:sink: caps =
>>> video/x-raw, format=(string)YUY2, width=(int)768, height=(int)288,
>>> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
>>> chroma-site=(string)jpeg, colorimetry=(string)bt601,
>>> framerate=(fraction)50/1
>>> /GstPipeline:pipeline0/GstVideoParse:videoparse0.GstGhostPad:src.GstProxyPad:proxypad1:
>>> caps = video/x-raw, format=(string)YUY2, width=(int)768, height=(int)288,
>>> interlace-mode=(string)interleaved, pixel-aspect-ratio=(fraction)1/1,
>>> chroma-site=(string)jpeg, colorimetry=(string)bt601,
>>> framerate=(fraction)50/1
>>> Pipeline is PREROLLED ...
>>> Setting pipeline to PLAYING ...
>>> New clock: GstSystemClock
>>> ERROR: from element
>>> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage:
>>> Output window was closed
>>> Additional debug info:
>>> xvimagesink.c(555): gst_xv_image_sink_handle_xevents ():
>>> /GstPipeline:pipeline0/GstAutoVideoSink:autovideosink0/GstXvImageSink:autovideosink0-actual-sink-xvimage
>>> Execution ended after 0:00:02.956028008
>>> Setting pipeline to PAUSED ...
>>> Setting pipeline to READY ...
>>> Setting pipeline to NULL ...
>>> Freeing pipeline ...
>>>
>>> I would naively expect the deinterlace plugin to take a 50 Hz, 720x288
>>> interlaced video and give as output a 25 Hz, 720x576 one.
>>> Instead, the resolution stays the same, while the frame rate doubles....
>>> ????
>>> I have tested this on gstreamer 1.45 and gstreamer 1.6.
>>> Am I missing anything?
>>> Thanks in advance for all suggestions!
>>> Best,
>>> Rob
>>>
>>> _______________________________________________
>>> gstreamer-devel mailing list
>>> gstreamer-devel at lists.freedesktop.org
>>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>>
>>
>>
>> --
>> TH
>>
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-- 
TH
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