mirror of
https://github.com/bggRGjQaUbCoE/PiliPlus.git
synced 2026-06-01 16:48:16 +08:00
feat: video download
Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>
This commit is contained in:
bggRGjQaUbCoE
236
lib/http/download.dart
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236
lib/http/download.dart
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@@ -0,0 +1,236 @@
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import 'package:PiliPlus/http/video.dart';
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import 'package:PiliPlus/models/common/account_type.dart';
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import 'package:PiliPlus/models/common/video/audio_quality.dart';
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import 'package:PiliPlus/models/common/video/video_decode_type.dart';
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import 'package:PiliPlus/models/common/video/video_quality.dart';
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import 'package:PiliPlus/models/common/video/video_type.dart';
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import 'package:PiliPlus/models/video/play/url.dart';
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import 'package:PiliPlus/models_new/download/bili_download_entry_info.dart';
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import 'package:PiliPlus/models_new/download/bili_download_media_file_info.dart';
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import 'package:PiliPlus/utils/accounts.dart';
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import 'package:PiliPlus/utils/extension.dart';
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import 'package:PiliPlus/utils/storage_pref.dart';
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import 'package:PiliPlus/utils/video_utils.dart';
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import 'package:get/get_utils/get_utils.dart';
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abstract final class DownloadHttp {
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static const String referer = "https://www.bilibili.com/";
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static const String userAgent = "Bilibili Freedoooooom/MarkII";
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static Future<BiliDownloadMediaInfo> getVideoUrl({
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required BiliDownloadEntryInfo entry,
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SourceInfo? source,
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PageInfo? pageData,
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EpInfo? ep,
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}) async {
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final isLogin = Accounts.get(AccountType.video).isLogin;
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final res = await VideoHttp.videoUrl(
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avid: entry.avid,
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bvid: entry.bvid,
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cid: entry.cid,
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seasonId: entry.seasonId,
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epid: ep?.episodeId,
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qn: entry.preferedVideoQuality,
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tryLook: !isLogin && Pref.p1080,
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videoType: switch (ep?.from) {
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'pugv' => VideoType.pugv,
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!= null when isLogin => VideoType.pgc,
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_ => VideoType.ugc,
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},
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);
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if (res.isSuccess) {
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final PlayUrlModel data = res.data;
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final Dash? dash = data.dash;
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if (dash != null) {
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final List<VideoItem> videoList = dash.video!;
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final curHighestVideoQa = videoList.first.quality.code;
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final preferVideoQa = entry.preferedVideoQuality;
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int targetVideoQa = curHighestVideoQa;
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if (data.acceptQuality?.isNotEmpty == true &&
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preferVideoQa <= curHighestVideoQa) {
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// 如果预设的画质低于当前最高
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targetVideoQa = data.acceptQuality!.findClosestTarget(
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(e) => e <= preferVideoQa,
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(a, b) => a > b ? a : b,
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);
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}
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/// 取出符合当前画质的videoList
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final List<VideoItem> videosList = videoList
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.where((e) => e.quality.code == targetVideoQa)
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.toList();
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/// 优先顺序 设置中指定解码格式 -> 当前可选的首个解码格式
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final List<FormatItem> supportFormats = data.supportFormats!;
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// 根据画质选编码格式
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final FormatItem targetSupportFormats = supportFormats.firstWhere(
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(e) => e.quality == targetVideoQa,
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orElse: () => supportFormats.first,
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);
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final List<String> supportDecodeFormats = targetSupportFormats.codecs!;
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entry
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..typeTag = targetVideoQa.toString()
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..videoQuality = targetVideoQa
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..preferedVideoQuality = targetVideoQa
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..qualityPithyDescription =
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targetSupportFormats.newDesc ??
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VideoQuality.fromCode(targetVideoQa).desc;
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String preferDecode = Pref.defaultDecode; // def avc
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String preferSecondDecode = Pref.secondDecode; // def av1
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// 默认从设置中取AV1
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VideoDecodeFormatType currentDecodeFormats =
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VideoDecodeFormatType.fromString(preferDecode);
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VideoDecodeFormatType secondDecodeFormats =
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VideoDecodeFormatType.fromString(preferSecondDecode);
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// 当前视频没有对应格式返回第一个
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int flag = 0;
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for (final e in supportDecodeFormats) {
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if (currentDecodeFormats.codes.any(e.startsWith)) {
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flag = 1;
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break;
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} else if (secondDecodeFormats.codes.any(e.startsWith)) {
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flag = 2;
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}
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}
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if (flag == 2) {
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currentDecodeFormats = secondDecodeFormats;
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} else if (flag == 0) {
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currentDecodeFormats = VideoDecodeFormatType.fromString(
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supportDecodeFormats.first,
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);
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}
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/// 取出符合当前解码格式的videoItem
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final videoDash = videosList.firstWhere(
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(e) => currentDecodeFormats.codes.any(e.codecs!.startsWith),
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orElse: () => videosList.first,
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);
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final videoUrl = VideoUtils.getCdnUrl(videoDash);
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final Type2File videoFile = Type2File(
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id: videoDash.id!,
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baseUrl: videoUrl,
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bandwidth: videoDash.bandWidth!,
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codecid: videoDash.codecid!,
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size: 0,
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md5: '',
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noRexcode: false,
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frameRate: videoDash.frameRate ?? '',
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width: videoDash.width!,
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height: videoDash.height!,
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dashDrmType: 0,
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);
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List<Type2File>? audioFileList;
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final List<AudioItem>? audioDashList = dash.audio;
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if (audioDashList != null && audioDashList.isNotEmpty) {
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final preferAudioQa = Pref.defaultAudioQa;
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final List<int> audioIds = audioDashList
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.map((map) => map.id!)
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.toList();
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int closestNumber = audioIds.findClosestTarget(
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(e) => e <= preferAudioQa,
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(a, b) => a > b ? a : b,
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);
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if (!audioIds.contains(preferAudioQa) &&
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audioIds.any((e) => e > preferAudioQa)) {
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closestNumber = AudioQuality.k192.code;
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}
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final AudioItem audioDash = audioDashList.firstWhere(
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(e) => e.id == closestNumber,
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orElse: () => audioDashList.first,
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);
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final audioUrl = VideoUtils.getCdnUrl(audioDash);
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audioFileList = [
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Type2File(
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id: audioDash.id!,
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baseUrl: audioUrl,
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bandwidth: audioDash.bandWidth!,
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codecid: audioDash.codecid!,
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size: 0,
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md5: '',
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noRexcode: false,
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frameRate: audioDash.frameRate!,
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width: audioDash.width!,
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height: audioDash.height!,
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dashDrmType: 0,
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),
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];
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}
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return Type2(
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duration: dash.duration!,
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video: [videoFile],
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audio: audioFileList,
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referer: referer,
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userAgent: userAgent,
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);
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} else {
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final first = data.durl!.first;
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final List<Type1Segment> segmentList = [
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Type1Segment(
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backupUrls: [],
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bytes: first.size!,
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duration: first.length!,
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md5: '',
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metaUrl: '',
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order: first.order!,
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url: first.backupUrl?.lastOrNull ?? first.url!,
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),
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];
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final FormatItem? formatItem = data.supportFormats?.firstWhereOrNull(
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(e) => e.quality == data.quality,
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);
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final String description =
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formatItem?.newDesc ?? VideoQuality.clear480.desc;
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final int targetVideoQa =
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formatItem?.quality ?? VideoQuality.clear480.code;
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entry
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..typeTag = targetVideoQa.toString()
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..videoQuality = targetVideoQa
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..preferedVideoQuality = targetVideoQa
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..qualityPithyDescription = description;
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final List<Type1PlayerCodecConfig> playerCodecConfigList = [
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Type1PlayerCodecConfig(
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player: "IJK_PLAYER",
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useIjkMediaCodec: false,
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),
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Type1PlayerCodecConfig(
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player: "ANDROID_PLAYER",
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useIjkMediaCodec: false,
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),
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];
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entry.mediaType = 1;
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return Type1(
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from: pageData?.from ?? ep?.from,
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quality: entry.preferedVideoQuality,
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typeTag: entry.typeTag,
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description: description,
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playerCodecConfigList: playerCodecConfigList,
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segmentList: segmentList,
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parseTimestampMilli: 0,
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availablePeriodMilli: 0,
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isDownloaded: false,
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isResolved: true,
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timeLength: 0,
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marlinToken: '',
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videoCodecId: 0,
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videoProject: true,
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format: data.format!,
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playerError: 0,
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needVip: false,
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needLogin: false,
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intact: false,
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referer: referer,
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userAgent: userAgent,
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);
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}
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} else {
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throw res.toString();
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}
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}
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}
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