mirror of
https://codeberg.org/superseriousbusiness/gotosocial.git
synced 2024-12-25 10:28:18 +03:00
b84637801a
* pull in go-ffmpreg v0.6.0 * add code comment * grrr linter * set empty module name when calling ffmpeg / ffprobe
60 lines
1.7 KiB
Go
60 lines
1.7 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/>.
|
|
|
|
//go:build !nowasm
|
|
|
|
package ffmpeg
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
|
|
"codeberg.org/gruf/go-ffmpreg/wasm"
|
|
)
|
|
|
|
// ffmpegRunner limits the number of
|
|
// ffmpeg WebAssembly instances that
|
|
// may be concurrently running, in
|
|
// order to reduce memory usage.
|
|
var ffmpegRunner runner
|
|
|
|
// InitFfmpeg precompiles the ffmpeg WebAssembly source into memory and
|
|
// prepares the runner to only allow max given concurrent running instances.
|
|
func InitFfmpeg(ctx context.Context, max int) error {
|
|
ffmpegRunner.Init(max)
|
|
return initWASM(ctx)
|
|
}
|
|
|
|
// Ffmpeg runs the given arguments with an instance of ffmpeg.
|
|
func Ffmpeg(ctx context.Context, args Args) (uint32, error) {
|
|
return ffmpegRunner.Run(ctx, func() (uint32, error) {
|
|
|
|
// Load WASM rt and module.
|
|
ffmpreg := ffmpreg.Load()
|
|
if ffmpreg == nil {
|
|
return 0, errors.New("wasm not initialized")
|
|
}
|
|
|
|
// Call into ffmpeg.
|
|
args.Name = "ffmpeg"
|
|
return wasm.Run(ctx,
|
|
ffmpreg.run,
|
|
ffmpreg.mod,
|
|
args,
|
|
)
|
|
})
|
|
}
|