Basic ffprobe test

Former-commit-id: 47916eac29

FFMpegCore.Test/FFMpegCore.Test.csproj

@@ -83,6 +83,9 @@
     <None Update="Resources\mute.mp4">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
+    <None Update="Resources\sample.srt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
   </ItemGroup>
 
   <ItemGroup>

FFMpegCore.Test/FFProbeTests.cs

@@ -100,5 +100,15 @@ public async Task Probe_Success_FromStream_Async()
             var info = await FFProbe.AnalyseAsync(stream);
             Assert.AreEqual(3, info.Duration.Seconds);
         }
+
+        [TestMethod, Timeout(10000)]
+        public async Task Probe_Success_Subtitle_Async()
+        {
+            var info = await FFProbe.AnalyseAsync(TestResources.SrtSubtitle);
+            Assert.IsNotNull(info.PrimarySubtitleStream);
+            Assert.AreEqual(1, info.SubtitleStreams.Count);
+            Assert.AreEqual(0, info.AudioStreams.Count);
+            Assert.AreEqual(0, info.VideoStreams.Count);
+        }
     }
 }

FFMpegCore.Test/Resources/TestResources.cs

@@ -20,5 +20,6 @@ public static class TestResources
         public static readonly string Mp3Audio = "./Resources/audio.mp3";
         public static readonly string PngImage = "./Resources/cover.png";
         public static readonly string ImageCollection = "./Resources/images";
+        public static readonly string SrtSubtitle = "./Resources/sample.srt";
     }
 }

FFMpegCore.Test/Resources/sample.srt

@@ -0,0 +1,12 @@
+1
+00:00:00,000 --> 00:00:01,500
+For www.forom.com
+
+2
+00:00:01,500 --> 00:00:02,500
+<i>Tonight's the night.</i>
+
+3
+00:00:03,000 --> 00:00:15,000
+<i>And it's going to happen
+again and again --</i>