1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Helpers.MediaHelper do
7 Handles common media-related operations.
10 def image_resize(url, %{max_width: max_width, max_height: max_height} = options) do
11 quality = options[:quality] || 85
14 convert fd:0 -resize '#{max_width}x#{max_height}>' -quality #{quality} jpg:-
17 pid = Port.open({:spawn, cmd}, [:use_stdio, :stream, :exit_status, :binary])
18 {:ok, env} = url |> Pleroma.Web.MediaProxy.url() |> Pleroma.HTTP.get()
20 Port.command(pid, image)
24 defp loop_recv(pid) do
28 defp loop_recv(pid, acc) do
30 {^pid, {:data, data}} ->
31 loop_recv(pid, acc <> data)
33 {^pid, {:exit_status, 0}} ->
36 {^pid, {:exit_status, status}} ->