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123 lines
4.5 KiB
123 lines
4.5 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 'abstract_session.dart';
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import 'execute_callback.dart';
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import 'ffmpeg_kit_config.dart';
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import 'log_callback.dart';
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import 'log_redirection_strategy.dart';
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import 'src/ffmpeg_kit_factory.dart';
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import 'statistics.dart';
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import 'statistics_callback.dart';
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/// An FFmpeg session.
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class FFmpegSession extends AbstractSession {
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/// Creates a new FFmpeg session with [argumentsArray].
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static Future<FFmpegSession> create(List<String> argumentsArray,
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[ExecuteCallback? executeCallback = null,
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LogCallback? logCallback = null,
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StatisticsCallback? statisticsCallback = null,
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LogRedirectionStrategy? logRedirectionStrategy = null]) async {
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final session = await AbstractSession.createFFmpegSession(
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argumentsArray, logRedirectionStrategy);
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final sessionId = session.getSessionId();
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FFmpegKitFactory.setExecuteCallback(sessionId, executeCallback);
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FFmpegKitFactory.setLogCallback(sessionId, logCallback);
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FFmpegKitFactory.setStatisticsCallback(sessionId, statisticsCallback);
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return session;
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}
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/// Creates a new FFmpeg session from [sessionMap], which includes session
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/// fields as map keys.
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static FFmpegSession fromMap(Map<dynamic, dynamic> sessionMap) =>
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AbstractSession.createFFmpegSessionFromMap(sessionMap);
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/// Returns the session specific statistics callback function.
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StatisticsCallback? getStatisticsCallback() =>
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FFmpegKitFactory.getStatisticsCallback(this.getSessionId());
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/// Returns all statistics entries generated for this session. If there are
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/// asynchronous statistics that are not delivered yet, this method waits for
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/// them until [waitTimeout].
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Future<List<Statistics>> getAllStatistics([int? waitTimeout]) async {
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try {
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await FFmpegKitConfig.init();
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return FFmpegKitPlatform.instance
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.ffmpegSessionGetAllStatistics(this.getSessionId(), waitTimeout)
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.then((allStatistics) {
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if (allStatistics == null) {
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return List.empty();
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} else {
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return allStatistics
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.map((dynamic statisticsObject) =>
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FFmpegKitFactory.mapToStatistics(
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statisticsObject as Map<dynamic, dynamic>))
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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 getAllStatistics error: ${e.message}");
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return Future.error("getAllStatistics failed.", stack);
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}
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}
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/// Returns all statistics entries delivered for this session. Note that if
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/// there are asynchronous statistics that are not delivered yet, this method
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/// will not wait for them and will return immediately.
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Future<List<Statistics>> getStatistics() async {
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try {
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await FFmpegKitConfig.init();
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return FFmpegKitPlatform.instance
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.ffmpegSessionGetStatistics(this.getSessionId())
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.then((statistics) {
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if (statistics == null) {
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return List.empty();
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} else {
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return statistics
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.map((dynamic statisticsObject) =>
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FFmpegKitFactory.mapToStatistics(
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statisticsObject as Map<dynamic, dynamic>))
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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 getStatistics error: ${e.message}");
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return Future.error("getStatistics failed.", stack);
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}
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}
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/// Returns the last received statistics entry.
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Future<Statistics?> getLastReceivedStatistics() async =>
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this.getStatistics().then((statistics) {
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if (statistics.length > 0) {
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return statistics[statistics.length - 1];
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} else {
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return null;
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}
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});
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bool isFFmpeg() => true;
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bool isFFprobe() => false;
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}
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