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2024/4/18 -CRF works just like in x264, so choose the highest value that provides an acceptable quality. Choose a preset. The default is medium . The preset determines ...

2024/5/14 -The idea is that a given CRF value should give you roughly the same quality relative to the source each time (assuming all other settings are the same), but as ...

2024/3/5 -I believe handbrake can do x264 lossless if you set crf to 0, but that doesn't work for x265 or any other encoder. Visually lossless would be in the crf 5 ...

2024/3/6 -... H.264. There are currently three AV1 encoders ... libaom-av1 has a constant quality (CQ) mode (like CRF in x264 ... A CRF value of 23 yields a quality level ...

2024/3/24 -h264, h265: Occupies more space; Av1 & vp9: Was too slow and wasn't able to encode 30sec video in 1hrs. The specs of hardware that I am using ...

2024/2/27 -The most common bit rates for H.264 are VBR (variable bit rate), CBR (constant bit rate), and CRF (constant rate factor). VBR adjusts the bit rate according ...

2024/3/23 -The x264 encodes were done using the same crf, the x265 test encodes were done using the same crf and the qsv test encodes were done using the same cqp. The ...

2024/3/1 -CRF is a rate control method commonly used in video encoding to achieve a desired visual quality level. With CRF, instead of setting a specific bitrate, you set ...

2024/5/6 -Common codecs ; AV1, AOMedia Video 1, MP4, WebM ; AVC (H.264), Advanced Video Coding, 3GP, MP4 ; H.263, H.263 Video, 3GP ; HEVC (H.265), High Efficiency Video ...

2024/3/5 -I changed CRF for H264 to a different value but I don't see where it would be reflected in the call to ffmpeg. Does this setting actually do anything?