50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//go:build nowasm
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package ffmpeg
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import (
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"context"
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"os/exec"
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)
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// ffmpegRunner limits the number of
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// ffmpeg WebAssembly instances that
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// may be concurrently running, in
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// order to reduce memory usage.
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var ffmpegRunner runner
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// InitFfmpeg looks for a local copy of ffmpeg in path, and prepares
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// the runner to only allow max given concurrent running instances.
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func InitFfmpeg(ctx context.Context, max int) error {
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_, err := exec.LookPath("ffmpeg")
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if err != nil {
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return err
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}
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ffmpegRunner.Init(max)
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return nil
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}
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// Ffmpeg runs the given arguments with an instance of ffmpeg.
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func Ffmpeg(ctx context.Context, args Args) (uint32, error) {
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return ffmpegRunner.Run(ctx, func() (uint32, error) {
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return runCmd(ctx, "ffmpeg", args)
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})
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}
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