支持Hi-Res无损音频格式

DownKyi.Core/BiliApi/BiliUtils/Constant.cs

@@ -25,6 +25,7 @@ namespace DownKyi.Core.BiliApi.BiliUtils
             new Quality { Name = "132K", Id = 30232 },
             new Quality { Name = "192K", Id = 30280 },
             new Quality { Name = "Dolby Atmos", Id = 30250 },
+            new Quality { Name = "Hi-Res无损", Id = 30251 },
         };
 
         /// <summary>

DownKyi.Core/BiliApi/VideoStream/Models/PlayUrlDash.cs

@@ -18,5 +18,7 @@ namespace DownKyi.Core.BiliApi.VideoStream.Models
         public List<PlayUrlDashVideo> Audio { get; set; }
         [JsonProperty("dolby")]
         public PlayUrlDashDolby Dolby { get; set; }
+        [JsonProperty("flac")]
+        public PlayUrlDashFlac Flac { get; set; }
     }
 }

DownKyi.Core/BiliApi/VideoStream/Models/PlayUrlDashFlac.cs

@@ -0,0 +1,12 @@
+using DownKyi.Core.BiliApi.Models;
+using Newtonsoft.Json;
+
+namespace DownKyi.Core.BiliApi.VideoStream.Models
+{
+    public class PlayUrlDashFlac : BaseModel
+    {
+        [JsonProperty("audio")]
+        public PlayUrlDashVideo Audio { get; set; }
+        //bool display { get; set; }
+    }
+}

DownKyi.Core/DownKyi.Core.csproj

@@ -249,6 +249,7 @@
     <Compile Include="BiliApi\VideoStream\Models\PlayUrl.cs" />
     <Compile Include="BiliApi\VideoStream\Models\PlayUrlDash.cs" />
     <Compile Include="BiliApi\VideoStream\Models\PlayUrlDashDolby.cs" />
+    <Compile Include="BiliApi\VideoStream\Models\PlayUrlDashFlac.cs" />
     <Compile Include="BiliApi\VideoStream\Models\PlayUrlDashVideo.cs" />
     <Compile Include="BiliApi\VideoStream\Models\PlayUrlDurl.cs" />
     <Compile Include="BiliApi\VideoStream\Models\PlayUrlSupportFormat.cs" />

DownKyi.Core/FFmpeg/FFmpegHelper.cs

@@ -34,15 +34,19 @@ namespace DownKyi.Core.FFmpeg
         /// <param name="destVideo"></param>
         public static bool MergeVideo(string video1, string video2, string destVideo)
         {
-            string param = $"-y -i \"{video1}\" -i \"{video2}\" -acodec copy -vcodec copy -f mp4 \"{destVideo}\"";
+            string param = $"-y -i \"{video1}\" -i \"{video2}\" -strict -2 -acodec copy -vcodec copy -f mp4 \"{destVideo}\"";
             if (video1 == null || !File.Exists(video1))
             {
-                param = $"-y -i \"{video2}\" -acodec copy -vcodec copy -f mp4 \"{destVideo}\"";
+                param = $"-y -i \"{video2}\" -strict -2 -acodec copy -vcodec copy -f mp4 \"{destVideo}\"";
             }
             if (video2 == null || !File.Exists(video2))
             {
-                param = $"-y -i \"{video1}\" -acodec copy \"{destVideo}\"";
+                param = $"-y -i \"{video1}\" -strict -2 -acodec copy \"{destVideo}\"";
             }
+
+            // 支持flac格式音频
+            //param += " -strict -2";
+
             if (!File.Exists(video1) && !File.Exists(video2)) { return false; }
 
             // 如果存在

DownKyi/Services/Download/DownloadService.cs

@@ -82,6 +82,11 @@ namespace DownKyi.Services.Download
                 {
                     downloadAudio = downloading.PlayUrl.Dash.Dolby.Audio[0];
                 }
+                // Hi-Res无损
+                if (downloading.AudioCodec.Id == 30251)
+                {
+                    downloadAudio = downloading.PlayUrl.Dash.Flac.Audio;
+                }
             }
             catch (Exception) { }
 

DownKyi/Services/Utils.cs

@@ -132,15 +132,16 @@ namespace DownKyi.Services
         private static ObservableCollection<string> GetAudioQualityFormatList(PlayUrl playUrl, int defaultAudioQuality)
         {
             List<string> audioQualityFormatList = new List<string>();
+            List<Quality> audioQualities = Constant.GetAudioQualities();
 
             if (playUrl.Dash.Audio != null && playUrl.Dash.Audio.Count > 0)
             {
                 foreach (PlayUrlDashVideo audio in playUrl.Dash.Audio)
                 {
-                    // 音质id大于设置画质时，跳过
+                    // 音质id大于设置音质时，跳过
                     if (audio.Id > defaultAudioQuality) { continue; }
 
-                    Quality audioQuality = Constant.GetAudioQualities().FirstOrDefault(t => { return t.Id == audio.Id; });
+                    Quality audioQuality = audioQualities.FirstOrDefault(t => { return t.Id == audio.Id; });
                     if (audioQuality != null)
                     {
                         ListHelper.AddUnique(audioQualityFormatList, audioQuality.Name);
@@ -148,9 +149,20 @@ namespace DownKyi.Services
                 }
             }
 
-            if (playUrl.Dash.Dolby.Audio != null && playUrl.Dash.Dolby.Audio.Count > 0)
+            if (audioQualities[3].Id <= defaultAudioQuality - 1000 && playUrl.Dash.Dolby != null)
             {
-                ListHelper.AddUnique(audioQualityFormatList, Constant.GetAudioQualities().Last().Name);
+                if (playUrl.Dash.Dolby.Audio != null && playUrl.Dash.Dolby.Audio.Count > 0)
+                {
+                    ListHelper.AddUnique(audioQualityFormatList, audioQualities[3].Name);
+                }
+            }
+
+            if (audioQualities[4].Id <= defaultAudioQuality - 1000 && playUrl.Dash.Flac != null)
+            {
+                if (playUrl.Dash.Flac.Audio != null)
+                {
+                    ListHelper.AddUnique(audioQualityFormatList, audioQualities[4].Name);
+                }
             }
 
             audioQualityFormatList.Sort(new StringLogicalComparer<string>());

DownKyi/ViewModels/Settings/ViewVideoViewModel.cs

@@ -197,7 +197,9 @@ namespace DownKyi.ViewModels.Settings
 
             // 优先下载音质
             AudioQualityList = Constant.GetAudioQualities();
-            AudioQualityList.RemoveAt(3);
+            //AudioQualityList.RemoveAt(3);
+            AudioQualityList[3].Id = AudioQualityList[3].Id + 1000;
+            AudioQualityList[4].Id = AudioQualityList[4].Id + 1000;
 
             // 文件命名格式
             SelectedFileName = new ObservableCollection<DisplayFileNamePart>();