info: added stream info (video, multimedia heic)
This commit is contained in:
Thibault Deckers
parent
52e4f96f7b
commit
4526df5a77
6 changed files with 223 additions and 4 deletions
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@ -210,6 +210,9 @@ class MetadataHandler(private val context: Context) : MethodCallHandler {
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if (mediaDir.isNotEmpty()) {
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metadataMap[Metadata.DIR_MEDIA] = mediaDir
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}
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// Android's `MediaExtractor` and `MediaPlayer` cannot be used for details
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// about embedded images as they do not list them as separate tracks
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// and only identify at most one
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}
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if (metadataMap.isNotEmpty()) {
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94
lib/model/video/channel_layouts.dart
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94
lib/model/video/channel_layouts.dart
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@ -0,0 +1,94 @@
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// channel layout constants from FFmpeg libavutil/channel_layout.h
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class ChannelLayouts {
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// ignore_for_file: constant_identifier_names
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static const FRONT_LEFT = 0x00000001;
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static const FRONT_RIGHT = 0x00000002;
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static const FRONT_CENTER = 0x00000004;
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static const LOW_FREQUENCY = 0x00000008;
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static const BACK_LEFT = 0x00000010;
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static const BACK_RIGHT = 0x00000020;
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static const FRONT_LEFT_OF_CENTER = 0x00000040;
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static const FRONT_RIGHT_OF_CENTER = 0x00000080;
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static const BACK_CENTER = 0x00000100;
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static const SIDE_LEFT = 0x00000200;
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static const SIDE_RIGHT = 0x00000400;
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static const TOP_CENTER = 0x00000800;
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static const TOP_FRONT_LEFT = 0x00001000;
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static const TOP_FRONT_CENTER = 0x00002000;
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static const TOP_FRONT_RIGHT = 0x00004000;
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static const TOP_BACK_LEFT = 0x00008000;
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static const TOP_BACK_CENTER = 0x00010000;
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static const TOP_BACK_RIGHT = 0x00020000;
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static const STEREO_LEFT = 0x20000000;
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static const STEREO_RIGHT = 0x40000000;
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static const WIDE_LEFT = 0x0000000080000000;
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static const WIDE_RIGHT = 0x0000000100000000;
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static const SURROUND_DIRECT_LEFT = 0x0000000200000000;
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static const SURROUND_DIRECT_RIGHT = 0x0000000400000000;
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static const LOW_FREQUENCY_2 = 0x0000000800000000;
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static const LAYOUT_NATIVE = 0x8000000000000000;
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static const LAYOUT_MONO = (FRONT_CENTER);
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static const LAYOUT_STEREO = (FRONT_LEFT | FRONT_RIGHT);
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static const LAYOUT_2POINT1 = (LAYOUT_STEREO | LOW_FREQUENCY);
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static const LAYOUT_2_1 = (LAYOUT_STEREO | BACK_CENTER);
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static const LAYOUT_SURROUND = (LAYOUT_STEREO | FRONT_CENTER);
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static const LAYOUT_3POINT1 = (LAYOUT_SURROUND | LOW_FREQUENCY);
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static const LAYOUT_4POINT0 = (LAYOUT_SURROUND | BACK_CENTER);
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static const LAYOUT_4POINT1 = (LAYOUT_4POINT0 | LOW_FREQUENCY);
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static const LAYOUT_2_2 = (LAYOUT_STEREO | SIDE_LEFT | SIDE_RIGHT);
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static const LAYOUT_QUAD = (LAYOUT_STEREO | BACK_LEFT | BACK_RIGHT);
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static const LAYOUT_5POINT0 = (LAYOUT_SURROUND | SIDE_LEFT | SIDE_RIGHT);
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static const LAYOUT_5POINT1 = (LAYOUT_5POINT0 | LOW_FREQUENCY);
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static const LAYOUT_5POINT0_BACK = (LAYOUT_SURROUND | BACK_LEFT | BACK_RIGHT);
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static const LAYOUT_5POINT1_BACK = (LAYOUT_5POINT0_BACK | LOW_FREQUENCY);
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static const LAYOUT_6POINT0 = (LAYOUT_5POINT0 | BACK_CENTER);
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static const LAYOUT_6POINT0_FRONT = (LAYOUT_2_2 | FRONT_LEFT_OF_CENTER | FRONT_RIGHT_OF_CENTER);
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static const LAYOUT_HEXAGONAL = (LAYOUT_5POINT0_BACK | BACK_CENTER);
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static const LAYOUT_6POINT1 = (LAYOUT_5POINT1 | BACK_CENTER);
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static const LAYOUT_6POINT1_BACK = (LAYOUT_5POINT1_BACK | BACK_CENTER);
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static const LAYOUT_6POINT1_FRONT = (LAYOUT_6POINT0_FRONT | LOW_FREQUENCY);
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static const LAYOUT_7POINT0 = (LAYOUT_5POINT0 | BACK_LEFT | BACK_RIGHT);
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static const LAYOUT_7POINT0_FRONT = (LAYOUT_5POINT0 | FRONT_LEFT_OF_CENTER | FRONT_RIGHT_OF_CENTER);
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static const LAYOUT_7POINT1 = (LAYOUT_5POINT1 | BACK_LEFT | BACK_RIGHT);
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static const LAYOUT_7POINT1_WIDE = (LAYOUT_5POINT1 | FRONT_LEFT_OF_CENTER | FRONT_RIGHT_OF_CENTER);
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static const LAYOUT_7POINT1_WIDE_BACK = (LAYOUT_5POINT1_BACK | FRONT_LEFT_OF_CENTER | FRONT_RIGHT_OF_CENTER);
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static const LAYOUT_OCTAGONAL = (LAYOUT_5POINT0 | BACK_LEFT | BACK_CENTER | BACK_RIGHT);
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static const LAYOUT_HEXADECAGONAL = (LAYOUT_OCTAGONAL | WIDE_LEFT | WIDE_RIGHT | TOP_BACK_LEFT | TOP_BACK_RIGHT | TOP_BACK_CENTER | TOP_FRONT_CENTER | TOP_FRONT_LEFT | TOP_FRONT_RIGHT);
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static const LAYOUT_STEREO_DOWNMIX = (STEREO_LEFT | STEREO_RIGHT);
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static const names = {
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LAYOUT_NATIVE: 'native',
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LAYOUT_MONO: 'mono',
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LAYOUT_STEREO: 'stereo',
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LAYOUT_2POINT1: '2.1',
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LAYOUT_2_1: '2_1',
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LAYOUT_SURROUND: 'surround',
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LAYOUT_3POINT1: '3.1',
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LAYOUT_4POINT0: '4.0',
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LAYOUT_4POINT1: '4.1',
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LAYOUT_2_2: '2_2',
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LAYOUT_QUAD: 'quad',
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LAYOUT_5POINT0: '5.0',
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LAYOUT_5POINT1: '5.1',
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LAYOUT_5POINT0_BACK: '5.0 back',
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LAYOUT_5POINT1_BACK: '5.1 back',
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LAYOUT_6POINT0: '6.0',
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LAYOUT_6POINT0_FRONT: '6.0 front',
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LAYOUT_HEXAGONAL: 'hexagonal',
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LAYOUT_6POINT1: '6.1',
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LAYOUT_6POINT1_BACK: '6.1 back',
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LAYOUT_6POINT1_FRONT: '6.1 front',
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LAYOUT_7POINT0: '7.0',
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LAYOUT_7POINT0_FRONT: '7.0 front',
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LAYOUT_7POINT1: '7.1',
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LAYOUT_7POINT1_WIDE: '7.1 wide',
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LAYOUT_7POINT1_WIDE_BACK: '7.1 wide back',
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LAYOUT_OCTAGONAL: 'octagonal',
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LAYOUT_HEXADECAGONAL: 'hexadecagonal',
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LAYOUT_STEREO_DOWNMIX: 'stereo downmix',
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};
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}
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110
lib/model/video/streams.dart
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110
lib/model/video/streams.dart
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@ -0,0 +1,110 @@
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import 'dart:async';
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import 'package:aves/model/entry.dart';
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import 'package:aves/model/video/channel_layouts.dart';
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import 'package:aves/utils/math_utils.dart';
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import 'package:fijkplayer/fijkplayer.dart';
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class StreamInfo {
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static Future<Map> getVideoInfo(AvesEntry entry) async {
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final player = FijkPlayer();
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await player.setDataSource(entry.uri, autoPlay: false);
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final completer = Completer();
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void onChange() {
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if ([FijkState.prepared, FijkState.error].contains(player.state)) {
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completer.complete();
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}
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}
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player.addListener(onChange);
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await player.prepareAsync();
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await completer.future;
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player.removeListener(onChange);
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final info = await player.getInfo();
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await player.release();
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return info;
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}
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static String formatBitrate(int size, {int round = 2}) {
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const divider = 1000;
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const symbol = 'bit/s';
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if (size < divider) return '$size $symbol';
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if (size < divider * divider && size % divider == 0) {
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return '${(size / divider).toStringAsFixed(0)} K$symbol';
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}
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if (size < divider * divider) {
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return '${(size / divider).toStringAsFixed(round)} K$symbol';
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}
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if (size < divider * divider * divider && size % divider == 0) {
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return '${(size / (divider * divider)).toStringAsFixed(0)} M$symbol';
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}
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return '${(size / divider / divider).toStringAsFixed(round)} M$symbol';
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}
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static Map<String, String> formatStreamInfo(Map stream) {
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final dir = <String, String>{};
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for (final kv in stream.entries) {
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final value = kv.value;
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if (value != null) {
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final key = kv.key;
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switch (key) {
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case 'index':
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case 'fps_num':
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case 'sar_num':
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case 'tbr_num':
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case 'tbr_den':
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break;
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case 'bitrate':
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dir['Bitrate'] = formatBitrate(value, round: 1);
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break;
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case 'channel_layout':
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dir['Channel Layout'] = ChannelLayouts.names[value] ?? value.toString();
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break;
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case 'codec_name':
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dir['Codec'] = value.toString().toUpperCase().replaceAll('_', ' ');
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break;
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case 'fps_den':
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dir['Frame Rate'] = roundToPrecision(stream['fps_num'] / stream['fps_den'], decimals: 3).toString();
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break;
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case 'height':
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dir['Height'] = '$value pixels';
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break;
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case 'language':
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dir['Language'] = value;
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break;
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case 'sample_rate':
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dir['Sample Rate'] = '$value Hz';
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break;
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case 'sar_den':
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dir['SAR'] = '${stream['sar_num']}:${stream['sar_den']}';
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break;
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case 'type':
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switch (value) {
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case 'timedtext':
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dir['Type'] = 'timed text';
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break;
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case 'audio':
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case 'video':
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case 'metadata':
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case 'subtitle':
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case 'unknown':
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default:
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dir['Type'] = value;
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}
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break;
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case 'width':
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dir['Width'] = '$value pixels';
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break;
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default:
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dir[key] = value.toString();
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}
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}
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}
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return dir;
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}
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}
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@ -1,6 +1,9 @@
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import 'dart:async';
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import 'dart:collection';
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import 'package:aves/model/entry.dart';
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import 'package:aves/model/video/streams.dart';
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import 'package:aves/ref/mime_types.dart';
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import 'package:aves/services/services.dart';
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import 'package:aves/services/svg_metadata_service.dart';
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import 'package:aves/theme/durations.dart';
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@ -139,6 +142,18 @@ class _MetadataSectionSliverState extends State<MetadataSectionSliver> with Auto
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if (_loadedMetadataUri.value == entry.uri) return;
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if (isVisible) {
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final rawMetadata = await (entry.isSvg ? SvgMetadataService.getAllMetadata(entry) : metadataService.getAllMetadata(entry)) ?? {};
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if (entry.isVideo || (entry.mimeType == MimeTypes.heif && entry.isMultipage)) {
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final info = await StreamInfo.getVideoInfo(entry);
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if (info.containsKey('streams')) {
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final streams = (info['streams'] as List).cast<Map>();
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for (final stream in streams) {
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if (stream.containsKey('index')) {
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final index = stream['index'] + 1;
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rawMetadata['Stream $index'] = StreamInfo.formatStreamInfo(stream);
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}
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}
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}
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}
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final directories = rawMetadata.entries.map((dirKV) {
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var directoryName = dirKV.key as String ?? '';
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@ -211,7 +211,7 @@ packages:
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description:
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path: "."
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ref: aves
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resolved-ref: a4640923c7c6141ff543f676a8cb7d2fe8b0ffba
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resolved-ref: "118fa08b30a7948df04d2692649b124a09ccb480"
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url: "git://github.com/deckerst/fijkplayer.git"
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source: git
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version: "0.8.7"
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@ -42,9 +42,6 @@ dependencies:
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firebase_analytics:
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firebase_crashlytics:
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flutter_highlight:
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# flutter_ijkplayer:
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# git:
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# url: git://github.com/deckerst/flutter_ijkplayer.git
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flutter_localized_locales:
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flutter_map:
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flutter_markdown:
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