Switched all i/o to win32 methods and added protobuf serialization for ffprobe caching

MediaBrowser.Controller/FFMpeg/FFProbeResult.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using ProtoBuf;
 
 namespace MediaBrowser.Controller.FFMpeg
 {
@@ -7,9 +8,13 @@ namespace MediaBrowser.Controller.FFMpeg
     /// Sample output:
     /// http://stackoverflow.com/questions/7708373/get-ffmpeg-information-in-friendly-way
     /// </summary>
+    [ProtoContract]
     public class FFProbeResult
     {
-        public IEnumerable<MediaStream> streams { get; set; }
+        [ProtoMember(1)]
+        public MediaStream[] streams { get; set; }
+
+        [ProtoMember(2)]
         public MediaFormat format { get; set; }
     }
 
@@ -18,47 +23,97 @@ namespace MediaBrowser.Controller.FFMpeg
     /// A number of properties are commented out to improve deserialization performance
     /// Enable them as needed.
     /// </summary>
+    [ProtoContract]
     public class MediaStream
     {
+        [ProtoMember(1)]
         public int index { get; set; }
+
+        [ProtoMember(2)]
         public string profile { get; set; }
+
+        [ProtoMember(3)]
         public string codec_name { get; set; }
+
+        [ProtoMember(4)]
         public string codec_long_name { get; set; }
+
+        [ProtoMember(5)]
         public string codec_type { get; set; }
+
         //public string codec_time_base { get; set; }
         //public string codec_tag { get; set; }
         //public string codec_tag_string { get; set; }
         //public string sample_fmt { get; set; }
+
+        [ProtoMember(6)]
         public string sample_rate { get; set; }
+
+        [ProtoMember(7)]
         public int channels { get; set; }
+
         //public int bits_per_sample { get; set; }
         //public string r_frame_rate { get; set; }
+
+        [ProtoMember(8)]
         public string avg_frame_rate { get; set; }
+
         //public string time_base { get; set; }
         //public string start_time { get; set; }
+
+        [ProtoMember(9)]
         public string duration { get; set; }
+
+        [ProtoMember(10)]
         public string bit_rate { get; set; }
 
+        [ProtoMember(11)]
         public int width { get; set; }
+
+        [ProtoMember(12)]
         public int height { get; set; }
+
         //public int has_b_frames { get; set; }
         //public string sample_aspect_ratio { get; set; }
+
+        [ProtoMember(13)]
         public string display_aspect_ratio { get; set; }
+
         //public string pix_fmt { get; set; }
         //public int level { get; set; }
-        public Dictionary<string,string> tags { get; set; }
+
+        [ProtoMember(14)]
+        public Dictionary<string, string> tags { get; set; }
    }
 
+    [ProtoContract]
     public class MediaFormat
     {
+        [ProtoMember(1)]
         public string filename { get; set; }
+
+        [ProtoMember(2)]
         public int nb_streams { get; set; }
+
+        [ProtoMember(3)]
         public string format_name { get; set; }
+
+        [ProtoMember(4)]
         public string format_long_name { get; set; }
+
+        [ProtoMember(5)]
         public string start_time { get; set; }
+
+        [ProtoMember(6)]
         public string duration { get; set; }
+
+        [ProtoMember(7)]
         public string size { get; set; }
+
+        [ProtoMember(8)]
         public string bit_rate { get; set; }
+
+        [ProtoMember(9)]
         public Dictionary<string, string> tags { get; set; }
     }
 }