Add missing FileStreams

Emby.Server.Implementations/Channels/ChannelManager.cs

@@ -341,7 +341,8 @@ namespace Emby.Server.Implementations.Channels
             try
             {
                 using FileStream jsonStream = File.OpenRead(path);
-                return JsonSerializer.DeserializeAsync<List<MediaSourceInfo>>(jsonStream, JsonDefaults.GetOptions()).GetAwaiter().GetResult();
+                return JsonSerializer.DeserializeAsync<List<MediaSourceInfo>>(jsonStream, JsonDefaults.GetOptions()).GetAwaiter().GetResult()
+                    ?? new List<MediaSourceInfo>();
             }
             catch
             {
@@ -810,8 +811,8 @@ namespace Emby.Server.Implementations.Channels
             {
                 if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
                 {
-                    var jsonString = await File.ReadAllTextAsync(cachePath, cancellationToken);
-                    var cachedResult = JsonSerializer.Deserialize<ChannelItemResult>(jsonString);
+                    await using FileStream jsonStream = File.OpenRead(cachePath);
+                    var cachedResult = await JsonSerializer.DeserializeAsync<ChannelItemResult>(jsonStream, JsonDefaults.GetOptions(), cancellationToken).ConfigureAwait(false);
                     if (cachedResult != null)
                     {
                         return null;
@@ -833,8 +834,8 @@ namespace Emby.Server.Implementations.Channels
                 {
                     if (_fileSystem.GetLastWriteTimeUtc(cachePath).Add(cacheLength) > DateTime.UtcNow)
                     {
-                        var jsonString = await File.ReadAllTextAsync(cachePath, cancellationToken);
-                        var cachedResult = JsonSerializer.Deserialize<ChannelItemResult>(jsonString);
+                        await using FileStream jsonStream = File.OpenRead(cachePath);
+                        var cachedResult = await JsonSerializer.DeserializeAsync<ChannelItemResult>(jsonStream, JsonDefaults.GetOptions(), cancellationToken).ConfigureAwait(false);
                         if (cachedResult != null)
                         {
                             return null;

Emby.Server.Implementations/Library/LiveStreamHelper.cs

@@ -47,7 +47,7 @@ namespace Emby.Server.Implementations.Library
                 try
                 {
                     await using FileStream jsonStream = File.OpenRead(cacheFilePath);
-                    await JsonSerializer.DeserializeAsync<MediaInfo>(jsonStream, JsonDefaults.GetOptions(), cancellationToken).ConfigureAwait(false);
+                    mediaInfo = await JsonSerializer.DeserializeAsync<MediaInfo>(jsonStream, JsonDefaults.GetOptions(), cancellationToken).ConfigureAwait(false);
 
                     // _logger.LogDebug("Found cached media info");
                 }
@@ -83,8 +83,8 @@ namespace Emby.Server.Implementations.Library
                 if (cacheFilePath != null)
                 {
                     Directory.CreateDirectory(Path.GetDirectoryName(cacheFilePath));
-                    await using FileStream createStream = File.Create(cacheFilePath);
-                    await JsonSerializer.SerializeAsync(createStream, mediaInfo, cancellationToken: cancellationToken).ConfigureAwait(false);
+                    await using FileStream createStream = File.OpenWrite(cacheFilePath);
+                    await JsonSerializer.SerializeAsync(createStream, mediaInfo, JsonDefaults.GetOptions(), cancellationToken).ConfigureAwait(false);
 
                     // _logger.LogDebug("Saved media info to {0}", cacheFilePath);
                 }