aves/lib/widgets/viewer/video/controller.dart
2021-06-22 18:10:09 +09:00

97 lines
2 KiB
Dart

import 'dart:typed_data';
import 'package:aves/model/entry.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
abstract class AvesVideoController {
final AvesEntry _entry;
AvesEntry get entry => _entry;
AvesVideoController(AvesEntry entry) : _entry = entry;
Future<void> dispose();
Future<void> play();
Future<void> pause();
Future<void> seekTo(int targetMillis);
Future<void> seekToProgress(double progress) => seekTo((duration * progress).toInt());
Listenable get playCompletedListenable;
VideoStatus get status;
Stream<VideoStatus> get statusStream;
bool get isReady;
bool get isPlaying => status == VideoStatus.playing;
int get duration;
int get currentPosition;
double get progress => currentPosition.toDouble() / duration;
Stream<int> get positionStream;
Stream<String?> get timedTextStream;
ValueNotifier<bool> get renderingVideoNotifier;
ValueNotifier<bool> get canSelectStreamNotifier;
ValueNotifier<double> get sarNotifier;
double get speed;
double get minSpeed;
double get maxSpeed;
set speed(double speed);
Future<void> selectStream(StreamType type, StreamSummary? selected);
Future<StreamSummary?> getSelectedStream(StreamType type);
List<StreamSummary> get streams;
Future<Uint8List> captureFrame();
Widget buildPlayerWidget(BuildContext context);
}
enum VideoStatus {
idle,
initialized,
paused,
playing,
completed,
error,
}
enum StreamType { video, audio, text }
class StreamSummary {
final StreamType type;
final int? index, width, height;
final String? codecName, language, title;
const StreamSummary({
required this.type,
required this.index,
required this.codecName,
required this.language,
required this.title,
required this.width,
required this.height,
});
@override
String toString() => '$runtimeType#${shortHash(this)}{type: type, index: $index, codecName: $codecName, language: $language, title: $title, width: $width, height: $height}';
}