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101 lines
3.9 KiB
101 lines
3.9 KiB
/*
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* Copyright (c) 2019-2021 Taner Sener
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*
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* This file is part of FFmpegKit.
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*
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* FFmpegKit is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser 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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* FFmpegKit 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with FFmpegKit. If not, see <http://www.gnu.org/licenses/>.
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*/
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import 'package:ffmpeg_kit_flutter_platform_interface/ffmpeg_kit_flutter_platform_interface.dart';
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import 'package:flutter/services.dart';
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import 'execute_callback.dart';
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import 'ffmpeg_kit_config.dart';
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import 'ffmpeg_session.dart';
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import 'log_callback.dart';
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import 'src/ffmpeg_kit_factory.dart';
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import 'statistics_callback.dart';
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/// Main class to run "FFmpeg" commands.
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class FFmpegKit {
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static FFmpegKitPlatform _platform = FFmpegKitPlatform.instance;
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/// Starts an asynchronous FFmpeg execution for the given command. Space character is used to split the command
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/// into arguments. You can use single or double quote characters to specify arguments inside your command.
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///
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/// Note that this method returns immediately and does not wait the execution to complete. You must use an
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/// [ExecuteCallback] if you want to be notified about the result.
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static Future<FFmpegSession> executeAsync(String command,
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[ExecuteCallback? executeCallback = null,
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LogCallback? logCallback = null,
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StatisticsCallback? statisticsCallback = null]) async =>
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FFmpegKit.executeWithArgumentsAsync(
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FFmpegKitConfig.parseArguments(command),
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executeCallback,
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logCallback,
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statisticsCallback);
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/// Starts an asynchronous FFmpeg execution with arguments provided.
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///
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/// Note that this method returns immediately and does not wait the execution to complete. You must use an
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/// [ExecuteCallback] if you want to be notified about the result.
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static Future<FFmpegSession> executeWithArgumentsAsync(
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List<String> commandArguments,
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[ExecuteCallback? executeCallback = null,
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LogCallback? logCallback = null,
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StatisticsCallback? statisticsCallback = null]) async {
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final session = await FFmpegSession.create(commandArguments,
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executeCallback, logCallback, statisticsCallback, null);
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await FFmpegKitConfig.asyncFFmpegExecute(session);
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return session;
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}
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/// Cancels the session specified with [sessionId].
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static Future<void> cancel([int? sessionId = null]) async {
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try {
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await FFmpegKitConfig.init();
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if (sessionId == null) {
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return _platform.ffmpegKitCancel();
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} else {
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return _platform.ffmpegKitCancelSession(sessionId);
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}
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} on PlatformException catch (e, stack) {
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print("Plugin cancel error: ${e.message}");
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return Future.error("cancel failed.", stack);
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}
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}
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/// Lists all FFmpeg sessions in the session history.
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static Future<List<FFmpegSession>> listSessions() async {
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try {
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await FFmpegKitConfig.init();
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return _platform.ffmpegKitListSessions().then((sessions) {
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if (sessions == null) {
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return List.empty();
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} else {
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return sessions
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.map((dynamic sessionObject) => FFmpegKitFactory.mapToSession(
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sessionObject as Map<dynamic, dynamic>))
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.map((session) => session as FFmpegSession)
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.toList();
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}
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});
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} on PlatformException catch (e, stack) {
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print("Plugin listSessions error: ${e.message}");
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return Future.error("listSessions failed.", stack);
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}
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}
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}
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