[EncodingAndPackagingExample] Add HLS output format support

Azure · Nov 29, 2023 · 7c1c8ab · 7c1c8ab
1 parent c18dceb
commit 7c1c8ab
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Showing 2 changed files with 29 additions and 1 deletion.
diff --git a/EncodingAndPackagingExample/EncodingAndPackagingTool.Core/EncodingAndPackagingTool.cs b/EncodingAndPackagingExample/EncodingAndPackagingTool.Core/EncodingAndPackagingTool.cs
@@ -90,6 +90,7 @@ public async Task EncodeAndPackageAsync(Uri mp4BlobUri, Uri outputStorageUri, Ca
 
             // Prepare ffmpeg command lines.
             var mpdFile = $"{Path.GetFileNameWithoutExtension(inputFile)}.mpd";
+            var hlsFile = $"{Path.GetFileNameWithoutExtension(inputFile)}.m3u8";
             FFMpegArgumentProcessor ffmpegCommand;
 
             if (ffprobeAnalyse.VideoStreams != null)
@@ -105,16 +106,24 @@ public async Task EncodeAndPackageAsync(Uri mp4BlobUri, Uri outputStorageUri, Ca
                         .WithCustomArgument("-s:v:1 1280x720")
                         .WithCustomArgument("-s:v:2 1920x1080")
                         .WithCustomArgument("-adaptation_sets \"id=0,streams=v id=1,streams=a\"")
+                        /* HLS related settings, comments out if you don't need generate hls playlist */
+                        .WithCustomArgument("-hls_playlist 1")
+                        .WithCustomArgument($"-hls_master_name {hlsFile}")
+                        /* HLS settings done */
                         .ForceFormat("dash"));
             }
-            else
+            else 
             {
                 // For audio only stream.
                 ffmpegCommand = FFMpegArguments
                    .FromFileInput(inputFile)
                    .OutputToFile(mpdFile, overwrite: true, args => args
                        .WithAudioCodec(AudioCodec.Aac)
                        .WithCustomArgument("-adaptation_sets \"id=0,streams=a\"")
+                       /* HLS related settings, comments out if you don't need generate hls playlist */
+                       .WithCustomArgument("-hls_playlist 1")
+                       .WithCustomArgument($"-hls_master_name {hlsFile}")
+                       /* HLS settings done */
                        .ForceFormat("dash"));
             }
 

diff --git a/...ingAndPackagingExample/EncodingAndPackagingTool.Test/EncodingAndPackagingTool.Cli.Test.cs b/...ingAndPackagingExample/EncodingAndPackagingTool.Test/EncodingAndPackagingTool.Cli.Test.cs
@@ -52,6 +52,7 @@ public async Task EncodingAndPackagingToolTest()
         await process.WaitForExitAsync();
         Assert.Equal(0, process.ExitCode);
 
+        // Verify dash related files.
         // We should have the output mpd file.
         var blob = new BlobClient(new Uri($"{outputContainerUri}/bunny.640x480.15fps.mpd"), _azureCrendentail);
         using (var stream = await blob.OpenReadAsync())
@@ -109,6 +110,24 @@ public async Task EncodingAndPackagingToolTest()
             }
         }
 
+        // Verify hls related files.
+        // We should have the output master hls file.
+        blob = new BlobClient(new Uri($"{outputContainerUri}/bunny.640x480.15fps.m3u8"), _azureCrendentail);
+        using (var stream = await blob.OpenReadAsync())
+        {
+            Assert.True(stream.Length > 400);
+        }
+
+        // We should have 4 hls playlist file.
+        for (var i = 0; i < 4; ++i)
+        {
+            blob = new BlobClient(new Uri($"{outputContainerUri}/media_{i}.m3u8"), _azureCrendentail);
+            using (var stream = await blob.OpenReadAsync())
+            {
+                Assert.True(stream.Length > 1000);
+            }
+        }
+
         // Delete the container if success.
         var container = new BlobContainerClient(new Uri(outputContainerUri), _azureCrendentail);
         await container.DeleteAsync();