fluffychat/lib/utils/resize_image.dart
2022-08-14 17:22:16 +02:00

62 lines
1.8 KiB
Dart

import 'dart:io';
import 'dart:typed_data';
import 'package:blurhash_dart/blurhash_dart.dart';
import 'package:image/image.dart';
import 'package:matrix/matrix.dart';
import 'package:path_provider/path_provider.dart';
import 'package:video_compress/video_compress.dart';
import 'package:fluffychat/utils/platform_infos.dart';
extension ResizeImage on MatrixFile {
static const int max = 1200;
static const int quality = 40;
Future<MatrixVideoFile> resizeVideo() async {
final tmpDir = await getTemporaryDirectory();
final tmpFile = File('${tmpDir.path}/$name');
MediaInfo? mediaInfo;
await tmpFile.writeAsBytes(bytes);
try {
// will throw an error e.g. on Android SDK < 18
mediaInfo = await VideoCompress.compressVideo(tmpFile.path);
} catch (e, s) {
Logs().w('Error while compressing video', e, s);
}
return MatrixVideoFile(
bytes: (await mediaInfo?.file?.readAsBytes()) ?? bytes,
name: name,
mimeType: mimeType,
width: mediaInfo?.width,
height: mediaInfo?.height,
duration: mediaInfo?.duration?.round(),
);
}
Future<MatrixImageFile?> getVideoThumbnail() async {
if (!PlatformInfos.isMobile) return null;
final tmpDir = await getTemporaryDirectory();
final tmpFile = File('${tmpDir.path}/$name');
if (await tmpFile.exists() == false) {
await tmpFile.writeAsBytes(bytes);
}
try {
final bytes = await VideoCompress.getByteThumbnail(tmpFile.path);
if (bytes == null) return null;
return MatrixImageFile(
bytes: bytes,
name: name,
);
} catch (e, s) {
Logs().w('Error while compressing video', e, s);
}
return null;
}
}
Future<BlurHash> createBlurHash(Uint8List file) async {
final image = decodeImage(file)!;
return BlurHash.encode(image, numCompX: 4, numCompY: 3);
}