lapeace.blogg.se - 19 ffmpeg commands for all needs

model file for each model that you want to run. Again, if you dont get this file, and save it in the c:\ffmpeg\bin folder, the command strings shown below wont work.ĥ. json file, follow the same procedure for the. Note that you can save these models anywhere youd like, but youll have to adjust the command strings below for that custom location.Ĥ. For me, this is always c:\ffmpeg\bin as shown in the figure below. If you dont do this, the command strings shown below wont work. Save the file in the same bin as ffmpeg.exe. On the top right (partially hidden), right-click the Raw button and choose Save link as.ģ. This takes you to another GitHub page for that model. Go to the Netflix GitHub model page here. Heres how you download the models and the associated. Note that the VMAF phone model isnt a separate model but a mode you can run with any of the models shown above.

While such operations could enhance the image quality as perceived by the end viewers if applied properly, it is evident that VMAF tends to overpredict the perceptual quality even when such operations are overused. This reverses out techniques like sharpening, contrasting, histogram equalization, among others, could boost VMAF scores.

The anti-hacking model - vmaf_v0.6.1neg.json, where neg stands for no enhancement gain.

The 4K model - vmaf_4k_v0.6.1.json, which predicts the subjective quality of video displayed on a 4KTV and viewed from the distance of 1.5 times the height of the display device (1.5H).

The default model - maf_v0.6.1.json which is trained to predict the quality of videos displayed on a 1080p HDTV in a living-room-like environment.

Now you have to download the VMAF model that you want to use.

Once FFmpeg is Installed and In Your Windows Path

Command Strings: Compute VMAF with FFmpeg on Windows.

Once FFmpeg is Installed and In Your Windows Path.