VmafConfiguration Struct Reference

Configuration needed to initialize a VmafContext. More...

#include <libvmaf.h>

Data Fields
enum VmafLogLevel	log_level
unsigned	n_threads
unsigned	n_subsample
uint64_t	cpumask
uint64_t	gpumask

Detailed Description

Configuration needed to initialize a VmafContext.

Parameters

log_level	How verbose the logger is.
n_threads	How many threads can be used to run feature extractors concurrently.
n_subsample	Compute scores only every N frames. Note that setting an even value for N can lead to inaccurate results. For more detail, see https://github.com/Netflix/vmaf/issues/1214
cpumask	Restrict permitted CPU instruction sets. if cpumask & 1: disable SSE2 / disable NEON (on arm64) if cpumask & 2: disable SSE3/SSSE3 if cpumask & 4: disable SSE4.1 if cpumask & 8: disable AVX2 if cpumask & 16: disable AVX512 if cpumask & 32: disable AVX512ICL
gpumask	Restrict permitted GPU operations. if gpumask: disable CUDA

Field Documentation

cpumask

uint64_t VmafConfiguration::cpumask

gpumask

uint64_t VmafConfiguration::gpumask

log_level

enum VmafLogLevel VmafConfiguration::log_level

n_subsample

unsigned VmafConfiguration::n_subsample

n_threads

unsigned VmafConfiguration::n_threads

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The documentation for this struct was generated from the following file:

• libvmaf/libvmaf.h