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Questions tagged [avisynth]

63 questions
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Is there any helper tool for creating graphedit files "on the fly" (programmatically)

I notice that avisynth can accept as input a "live directshow source" only through a graphedit file that includes that source in it. Is there any help tool out there to create a graphedit file on the fly, given you know a capture sources name…
rogerdpack
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Unable to find audio stream

I'm trying to adapt a code in order to add a sound capture feature (on a live stream), with the help of ffmpeg and directshow. When i try to play with ffplay the AVIsynth file, everything works perfectly i've got the audio and video. But when i open…
Kurt
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AviSynth - turn sound off

I am using AviSynth+ and I play an .avs script into VLC (I've installed the AviSynth plugin for VLC). My script is very basic and it looks like this: DirectShowSource("D:\MyVideo.asf", fps=25, convertfps=true) How can I turn off the sound of the…
Joe Jobs
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utilizing ddcomb plugin in avisynth

I want to utilize DDComb plugin in Avisynth, I am using MeGUI in helping me craft the script but I am confused by how to use this. The plugin is here: ### ONLY FOR PROGRESSIVE VIDEO or Field Based ### Based on Did�e's script ### 2019.07.22…
vivofen578
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Synchronizing Audio and Video Playback when playing frame by frame / by sample

I am currently in the process of writing an open source AviSynth editor with C#/WPF with video AND audio preview. I already got all the AviSynth stuff working and I am able to query AviSynth to get a frame (by framenumber, as bitmap) and to get…
Roemer
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Do Avisynth+ TDecimate 'keep' specifiers work?

I read about 'keep' specifiers at avisynth.nl/index.php/TIVTC/TDecimate but cannot get them to work. But I'm a bit of a newbie so there's a high chance I'm missing something basic. I have TIVTC-V1.0.25.7z I have a string of frames between frames 337…
Mae Warren
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Split VFR video into CFR chunks?

Is there a good way to split a VFR video into chunks that split whenever the framerate changes? I have a video that I want to edit that is VFR but my editor doesn't support VFR. I don't want to set a constant framerate and convert it because that…
Daniel L.
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How to WriteFile in AvsPMod

I'm very new in working with video editing via AviSynth script editor AvsPmod v2.6.3.4 and I want to add some MP4 videos to a big one but WriteFile creates a file with no content. VLC player results in error 0xc00d36c4 file cannot be played…
SmilySunMike
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Imagewriter executes only last call

I have 3 imagewriter, each of it save a different frame from avi to a path. But, it is executed only the last imagewriter, so I received in test3 folder frame 4, with name: 000004.jpg Why the first 2 imagewriter aren't executed? Can I execute all…
Irina
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FFmpeg audio stream extraction on non-interleaved AVI - slow compared to AviSynth

I want to extract the audio stream of an avi file as a wav file, it works but it is really slow (~4-5fps) although I just want to copy the stream. Here is the type of stream I want to extract (ffprobe info): Stream #0:1: Audio: pcm_s16le…
LLL
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How do I batch encode hevc videos using avisynth source?

I have several videos I need to process using avisynth then encode to hevc mkv format. I can use avsproxy and open in avidemux but I can't batch it. I have a lot of videos that use basically the same script. I can easily create a script for each…
eng3
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Difference between DirectShowSource() and FFmpegSource2() in AviSynth

For non .avi A/V sources (as .mp3, .mp4, etc.) there are (at least) 2 possibilities for reading those media files in AviSynth (in Windows): The built-in media filter DirectShowSource(), using Microsoft's DirectShow media architecture. The AviSynth…
MarianD
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Avisynth total frames does not equal VirtualDub total frames

It appears that Dissolve and/or Fade change the total number of frames in .avs scripts. When I add up the total number of frames in the avs script and then load the avs script in Vdub the total number of frames is different. My real world example…
Corpuscular
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AviSynth script with subtitles errors

Win7 FFmpeg version: 20170223-dcd3418 win32 shared AVISynth version: 2.6 Calling ffmpeg in a Visual Studio 2015 C# Forms Application and using process.StartInfo.Arguments to pass arguments and read an avs script. Works fine. The avs…
Corpuscular
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Create batch AVISynth scripts using command line

I have researched for a long time for AViSynth batch create using CMD AVISynth example : > DirectShowSource("C:\Users\...\conan848.mkv", fps=23.976, audio=false, > convertfps=true).AssumeFPS(24000,1001) > #deinterlace > #crop LanczosResize(1280,720)…
MinhLee
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