AV1AN SVT-AV1

[CKingX]

Source media is MP4 H.264 encoded with variable frame rate.

I used AV1AN with SVT-AV1 in VMAF mode and both mp4merge and ffmpeg fails.

INFO [av1an_core::settings] temporary directory: C:\Users\cking\Downloads\Nmkoder1.10\data\av1anTemp\1684709628388
INFO [av1an_core::settings] scenecut: found 3 scene(s) [with extra_splits(300 frames): 5]
ERROR [av1an_core::target_quality] [chunk 0] encoder crashed: exit code: 1
stdout:

stderr:
        [SVT-Warning]: --keyint is now intra-period + 1!
        Svt[info]: -------------------------------------------
        Svt[info]: SVT [version]:	SVT-AV1 Encoder Lib v0.9.0
        Svt[info]: SVT [build]  :	GCC 11.2.0	 64 bit
        Svt[info]: LIB Build date: Jan 22 2022 07:53:27
        Svt[info]: -------------------------------------------
        Unprocessed tokens:  --tf-level  --palette-level  --umv  --ext-block  --hbd-md  --bipred-3x3  --pred-me  --compound  --sg-filter-mode  --enable-restoration-filtering  --cdef-level  --disable-dlf  --mrp-level  --enable-pic-based-rate-est  --enable-local-warp  --enable-global-motion  --enable-interintra-comp  --obmc-level  --rdoq-level  --filter-intra-level  --enable-intra-edge-filter 

        Error in configuration, could not begin encoding! ... 
        Run C:\Users\cking\Downloads\Nmkoder1.10\bin\av1an\enc\SvtAv1EncApp.exe --help for a list of options

source pipe stderr:
        av_interleaved_write_frame(): Broken pipe
        Error writing trailer of pipe:: Broken pipe

ERROR [av1an_core::broker] [chunk 0] encoder crashed: exit code: 1
stdout:

stderr:
        [SVT-Warning]: --keyint is now intra-period + 1!
        Svt[info]: -------------------------------------------
        Svt[info]: SVT [version]:	SVT-AV1 Encoder Lib v0.9.0
        Svt[info]: SVT [build]  :	GCC 11.2.0	 64 bit
        Svt[info]: LIB Build date: Jan 22 2022 07:53:27
        Svt[info]: -------------------------------------------
        Unprocessed tokens:  --tf-level  --palette-level  --umv  --ext-block  --hbd-md  --bipred-3x3  --pred-me  --compound  --sg-filter-mode  --enable-restoration-filtering  --cdef-level  --disable-dlf  --mrp-level  --enable-pic-based-rate-est  --enable-local-warp  --enable-global-motion  --enable-interintra-comp  --obmc-level  --rdoq-level  --filter-intra-level  --enable-intra-edge-filter 

        Error in configuration, could not begin encoding! ... 
        Run C:\Users\cking\Downloads\Nmkoder1.10\bin\av1an\enc\SvtAv1EncApp.exe --help for a list of options

source pipe stderr:
        av_interleaved_write_frame(): Broken pipe
        Error writing trailer of pipe:: Broken pipe

```
I can attach an example file if necessary