NMM-HD

lossless means revertable. If you use a lossless encoder it is guaranteed that with a proper decoder you can get back the original raw source for the encoder, bit-perfectly. For filters it is similar. If you use one filter and you know for sure that with proper filter the original clip can be available, it is lossless, e.g. you can get the original data of invert by another call of itself, so invert is lossless. While if it it not revertable, or even if you simply don't know how to revert the change, it is not lossless, at least not for you.

feisty2 写了：

msg7086 写了：比如最典型的，降噪，锐化，调色，收线条，等等。

颜色调节里的曲线调整应该是无损的

前後兩者畫面不一樣 不是無損

feisty2 写了：

msg7086 写了：比如最典型的，降噪，锐化，调色，收线条，等等。

颜色调节里的曲线调整应该是无损的

你在用浮点色彩空间？

msg7086 写了：

feisty2 写了：

msg7086 写了：比如最典型的，降噪，锐化，调色，收线条，等等。

颜色调节里的曲线调整应该是无损的

你在用浮点色彩空间？

ps和非编里一般都用的rgb 32bit浮点色深 方便调色