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Questions tagged [interlacing]

36 questions
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why scan line of interlace is form middle point, and not horizontal?

I am new to video format. I searched about interlacing scan mode.and fount I want to know why the scan line is start at the middle of the line and not horizontal. Is LED display and CRT display same as the picture is showing?
jianing
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Why does my YouTube video look fuzzy?

I have been recording a video game series with this old Dazzle capture card. If you look at my video, you can see how the footage looks fuzzy. I think it has something to do with my having to deinterlace it. I tried a couple different deinterlacing…
user4531234
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Interlacing of two Binary Matrices

I have a 2x14 binary matrix P, which I have stored into two Matrices P1 and P2 of order 2x7. I need to interlace these two matrices P1 and P2, ie., the first element from P1 and the first element from P2 are taken and stored in to another matrix.…
Jilna
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How to Split frame into two images (even field and odd field) from Interlaced (NV12 format )raw data

I have raw NV12 YUV progressive Data and required to split each frame into images with even and odd fields (interlaced data).
Rajesh
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Why do interlaced jpegs are bigger than non-interlaced image?

To gain on speed, in an application, I've tried to fill each horizontal odd line of pixels with the pixels from the previous even horizontal line. The problem is that I thought I'd save a bit on space, but for 20% of speed gain, the size of my stack…
Léon Pelletier
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How to play interlaced video, where even lines at top half of picture, and odd lines at bottom half?

I have some device which streams h264 video in following format: top half of picture is even lines of video, and bottom half of picture is odd lines of video. So the question is - how can I play this video in normal visibility, using standart…
Pyih
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GLSL interlacing seems to skip even rows on 3DTV

I'm trying to create some interlaced images to output on a 3DTV. My method uses OpenGL's stencil buffer to draw a grid of lines on each even row of pixels. On my laptop, the resulting image looks interlaced, but when I output to the 3DTV (via HDMI…
Stereoscopic
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VLC's video quality much worse than MPV's

For several sources the video quality produced by VLC is much worse than the one produced by mpv. It looks as if this is an issue regarding interlacing, but I am not sure. At least, playing around with options of the deinterlacing menu did not…
Max Görner
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Interlacing for images

I'm creating a website for my photography business and I've encounter a problem. The images in the website are not loading quickly enough, and the page stays blank while these images are loading. I've already tried reducing the size of the images…
Sergio
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Interlaced mpeg2 video with avenc_mpeg2video gstreamer

The following GStreamer pipeline generates an mpeg2ts with an mpeg2 video track. gst-launch-1.0 videotestsrc pattern=ball num-buffers=900 ! "video/x-raw, format=(string)I420, \ width=(int)704, height=(int)576, framerate=(fraction)25/1" !…
jensk
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HEVC/H.265 interlaced format support in ffmpeg or VLC

"Music Box Russia" channel over satellite transmits in HEVC 1920x1080 25fps interlaced - and after recording VLC recognizes file as 50 fps, and resolution 1920x540 - half a height. But on satellite tuner the player works fine - it plays a file as…
Ernestas Gruodis
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How to remove intelacing effects from videos with ffmpeg

I have some old interlaced video-files but you will not believe that I have not any more CRT Tv and that videos looks very bad on my PC. I would like to re-encode them with ffmpeg avoiding such double-image effect, as you can see in this…
Giovanni Orlandi
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Video Streaming | File Size | Progressive | Interlace | Others

I am looking at bench-marking Video Streaming Application and found out that the Video file size depends on following factors HD (High Defination) SD (Standard Definition) Frame rate Color Depth Progressive or Interlaced Codec Format…
Nirdesh
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How to strip png images using ImageMagick?

convert -strip -interlace JPEG -quality 80 origi.jpg output-file.jpg origi image size : 40.6 kb output-file image size : 11.3 kb But if I convert one png file as convert -strip -interlace PNG -quality 80 he.png output-file.png he.png image size :…
Gopi
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How can I interlace two images using ImageMagick?

I have 2 images of the same size, called image1.png and image2.png. In ImageMagick, is there any way to merge the two images by taking the odd lines from image1.png and merge with the even line from image2.png ?
CSDD
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