Avisynth Memory allocation

may24 · 19th December 2016, 12:23

Hi all,

can someone share me a few insights on how Avisynth (not the plus version) handles memory allocation.

For instance: If I write a .avs script hat opens two 1080p video files (AVC) and each one gets its own variable, I suspect avisynth will allocate memory for both making it accessible via the variables.
Also I assume that this references will be available due script has finished execution.
Or is there kind of an "deconstructor" to explicitly free memory ?

Now, what if I re-assign an new Video file to the same variable ? Will the "old" allocation be dropped and a new be made ?

I've read that Plugins (such as external decoders: ffmpeg-source, lsmash ect) do their own memory management.

So in the end it seems quite impossible to guess how much memory your script will allocate until you open it and check with a task manager ... and even that seems to be fairly correct as tailing functions, scripts or plugins will add to this number making it quite unpredictable (think of de-interlacers).

Or do I miss anything here ?
Can you give me an insight on how avs memory management works

19th December 2016, 12:23	#1 \| Link
may24 Registered User Join Date: Jan 2008 Posts: 42	Avisynth Memory allocation Hi all, can someone share me a few insights on how Avisynth (not the plus version) handles memory allocation. For instance: If I write a .avs script hat opens two 1080p video files (AVC) and each one gets its own variable, I suspect avisynth will allocate memory for both making it accessible via the variables. Also I assume that this references will be available due script has finished execution. Or is there kind of an "deconstructor" to explicitly free memory ? Now, what if I re-assign an new Video file to the same variable ? Will the "old" allocation be dropped and a new be made ? I've read that Plugins (such as external decoders: ffmpeg-source, lsmash ect) do their own memory management. So in the end it seems quite impossible to guess how much memory your script will allocate until you open it and check with a task manager ... and even that seems to be fairly correct as tailing functions, scripts or plugins will add to this number making it quite unpredictable (think of de-interlacers). Or do I miss anything here ? Can you give me an insight on how avs memory management works