So I get what you're saying about file size. The H.264 video format has a broad application range covering all forms of digitally compressed video, from low-bit-rate Internet streaming applications to HDTV broadcast and Digital Cinema applications with nearly lossless coding. You have to set them manually, either through FFmpeg ( -colorprimaries bt709 -colorspace bt709 -colortrc bt709) or through libx264 ( -x264opts colorprimbt709:colormatrixbt709:transferbt709) 3. It is by far the most commonly used format for the recording, compressing, and distributing of video content, used by 91% of video industry developers as of September 2019. H.264 is a video compression standard based on block-oriented, motion-compensated coding. In addition, it supports resolutions up to 8192×4320, including 8K UHD. In comparison to H.264, H.265 offers from 25% to 50% better data compression at the same level of video quality or substantially improved video quality at the same bit rate. H.265 is a video compression standard designed to a successor to the widely used Advanced Video Coding (H.264). Samsung Electronics, General Electric,M&K Holdings, NTT, JVC Kenwood and others
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