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gotosocial/internal/media/ffmpeg/cache.go

47 lines
1.3 KiB
Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package ffmpeg
import (
"os"
"github.com/tetratelabs/wazero"
)
// shared WASM compilation cache.
var cache wazero.CompilationCache
func initCache() {
if cache != nil {
return
}
if dir := os.Getenv("WAZERO_COMPILATION_CACHE"); dir != "" {
var err error
// Use on-filesystem compilation cache given by env.
cache, err = wazero.NewCompilationCacheWithDir(dir)
if err != nil {
panic(err)
}
} else {
// Use in-memory compilation cache.
cache = wazero.NewCompilationCache()
}
}