I tried these on some sample frames with transparency, and I think the first of these produces the effect you describe: ffmpeg -i Tree_%04d.png -vf palettegen=reserve_transparent=1 palette.png ffmpeg -framerate 30 -i Tree_%04d.png -i palette.png -lavfi paletteuse=alpha_threshold=128 -gif...
Unofficial FFmpeg with added custom native Visual Studio project build tools. FFmpeg: A complete, cross-platform solution to record, convert and stream audio and video. - FFmpeg/libavcodec/pngdec.c at 668c65e7e73a21c86f43ffa1f79bf023fa44cbcd · wwwxxxwww
maximum video quantizer scale (VBR) (from -1 to 1024) (default 31) -qdiff <int> E..V.. maximum difference between the quantizer scales (VBR) (from INT_MIN to INT_MAX) (default 3) -bf <int> E..V.. use 'frames' B frames (from -1 to 16) (default 0) -b_qfactor <float> ...
$ ffmpeg -ss 61.0 -t 2.5 -i StickAround.mp4 -filter_complex"[0:v] palettegen"palette.png $ ffmpeg -ss 61.0 -t 2.5 -i StickAround.mp4 -i palette.png -filter_complex"[0:v][1:v] paletteuse"prettyStickAround.gif Let's look at these exciting new arguments. -filter_complex "[0:v] ...
I started with a big jump, setting the image size to 200 x 50: Still not poop. Interesting! Still not what we want, but the pattern there is now showing some significant white gaps – since the poop image has large sections of transparency on either side, I took this as a good sign...
Note that these methods don’t play nicely with sources with transparency/alpha *yet* – hopefully more on that in a future blog post. Seeing the simplicity of the above examples, you might be tempted to create a gif with FFmpeg like so: ...
Set to 1 to disable processing alpha (transparency). This works like the gray flag in the flags option which skips chroma information instead of alpha. Default is 0. codec_whitelist list (input) "," separated list of allowed decoders. By default all are allowed. dump_separator string (inpu...
Filter colorkey Turns a certain color into transparency. Operates on RGB colors. slice threading supported Inputs: #0: default (video) Outputs: #0: default (video) colorkey AVOptions: color <color> ..FV... set the colorkey key color (default "black") similarity <float> ..FV... set ...
Formats File formats: D. = Demuxing supported .E = Muxing supported -- D 3dostr 3DO STR E 3g2 3GP2 (3GPP2 file format) E 3gp 3GP (3GPP file format) D 4xm 4X Technologies E a64 a64 - video for Commodore 64 D aa Audible AA format files D aac raw ADTS AAC (Advanced Audio Coding...
field coded and displayed first bb Interlaced video, bottom field coded and displayed first tb Interlaced video, top coded first, bottom displayed first bt Interlaced video, bottom coded first, top displayed first skip_alpha bool (decoding,video) Set to 1 to disable processing alpha (transparency...