Bgr0 pixel format. x version, you may need to do the pixel format transformation manually. Sweet! The more that can be offloaded to AMF in the encoding pipeline the better . Jun 6, 2025 · BGR-layout monitors have an inverse subpixel arrangement in comparison to the standard RGB pixel structure. hevc_qsv - Intel Quick Sync Video Acceleration. The question is: How do i output a format that both AMF and HEVC support that preserves the most quality? Jul 9, 2024 · All about images and their formats like YUV, RGB, HSL, HSV, BGR, binary, CMYK, RGBA and YIQ In machine learning, an “image” specifically refers to a digital representation of visual data Jan 28, 2025 · Linux desktop streaming. The data isn't packed at the pixel level - it's 3bytes/pixel (BGRA is an option on some of the GPU calls). Jan 23, 2024 · This topic introduces the pixel formats provided by the Windows Imaging Component (WIC). While RGB has since become the dominant standard, BGR remains relevant in niche applications and situations involving legacy code or hardware. Available pixel formats are: monob, rgb555be, rgb555le, rgb565be, rgb565le, rgb24, bgr24, 0rgb, bgr0, 0bgr, rgb0, Enum Pixel Format Pixel Format ("ffmpeg -pix_fmts") Namespace: Xabe. There are different pixel formats depending on the model of your camera and whether it is a color or a mono camera. Color pixel formats hold red, green and blue information for each pixel, typically derived through debayering a RAW image. Pixel Format The Pixel Format camera feature allows you to choose the format of the image data transmitted by the camera. Jul 24, 2023 · If I try any other pixel format from the RGB colorspace with which allegedly a lossless encoding can be obtained (such as bgr0, bgra, rgb0 or rgba), the option will be ignored and the pixel format of the output video will be stubbornly set to yuv420p. In a colour image the pixel order is BGR, data is stored in row order. If I disable the fallback to p010le, the output would be Bit depth : 8 bits but Format profile : Main 10@L5@Main. 669] [lavc] Selected pixfmt: bgr0 My understanding is that bgr0 is an 8 bit format. Debayered pixel formats are required for image processing or image display. I'm using x11grab which is a pixel format of bgr0. mp4, it tells me that the underlying pixel format is actually yuv444p10le. Dec 19, 2021 · Second of all, -vf format=gbrp should be used (you can just omit yuv444p mention). Jan 3, 2021 · Hardware HEVC encoder uses pixel formats p010le and p016le for 10-bit output where first one produces yuv 4:2:0 and the second one yuv 4:4:4. Failure to account for the BGR format can lead to image corruption or incorrect color representation, resulting in distorted or unnatural-looking images. In 4. If the specified format is not supported, a list of available formats is given and the first one in this list is used instead. You can use sws_scale or "hwupload" filter to do this. Summary of the bug: FFV1 encodes with RGB pixel format (specifically in my tests: bgr0) appear to not be lossless. (Decoding and looking at the raw pixel data, I can confirm that the precision has decreased from 16 bits to 10 bits). This causes text to appear blurry on BGR monitors (particularly those with low pixel density) as Windows handles subpixel anti-aliasing according to the more common RGB layout by default. AMF has a mapping for that: AV_PIX_FMT_BGR0 maps to AMF_SURFACE_BGRA Compiling ffmpeg with this makes it work and lets bgr0 be handled by AMF. This memory layout describes how the image data of a bitmap is encoded by specifying the numerical format and color-channel organization. I hope 16 bit compression is possible, since according to ffmpeg -h encoder=hevc_nvenc the supported pixel formats are: I think the " [AVHWDeviceContext @ 0x55dcc90cf7e0] Format 0x32315659 ->" means the pixel format supported by libva and the pixel format that can be encoded by h264 is a subset of them, because libva can also do video processing. ffmpeg -h encoder=hevc_nvenc shows supported pixel formats (compare to ffmpeg -h encoder=libx264rgb) Supported pixel formats: yuv420p nv12 p010le yuv444p p016le yuv444p16le bgr0 rgb0 gbrp gbrp16le cuda d3d11 Also pix_fmt option is deprecated for use, besides Jul 4, 2024 · That makes me assume the AMF codec can handle bgr0 as format. Jul 3, 2013 · The image format is set by the flag when you create the image eg CV_8UC3 means 8bit pixels, unsigned, 3colour channels. hevc_nvenc - NVIDIA GPU encoder. Please contact us if you need them. libx265 Supported pixel formats: yuv420p yuvj420p yuv422p yuv422p10 yuv444p10le gbrp10le gbrp12le gbrp Example encoding: Aug 23, 2020 · [hevc_nvenc @ 0x7f1f80001680] supports NVENC [lavc] Codec supported pixel formats: yuv420p nv12 p010le yuv444p p016le yuv444p16le bgr0 rgb0 cuda [lavc] Usable pixel formats: gbrp10le rgba gbrp bgr0 yuv422p10le [1598236276. More precisely, they produce a different video signal on decoding than the input. dll Syntax public enum PixelFormat See ffmpeg h265 docs There are four HEVC encoders available to ffmpeg: libx265 hevc_videotoolbox - Available on OSX via the videotoolbox library. FFmpeg. FFmpeg Assembly: Xabe. It reminds me in some way the Big Endian and Little Endian flavours of computer processors. Nov 5, 2015 · I was wondering about the difference between rgb and bgr pixel formats available in many codecs. A pixel format describes the memory layout of each pixel in a bitmap. 2 days ago · -pixel_format <FORMAT> Request the video device to use a specific pixel format. This means, that each pixel needs (at least) three times the bit depth as the RAW format with the same bit depth. Data may be packed at the line level, if the number of pixels in a row * the number of bytes/pixel Aug 26, 2021 · If I use ffprobe on the output. 8fsw qqfc vfrq ek outvyu drao ib wq 3uhb vl4uhyr