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Add ComputeSegments test

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This commit is contained in:
cvium 2021-09-25 23:28:10 +02:00
parent 43ea4af30f
commit 64a13a5d42
2 changed files with 61 additions and 10 deletions
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7
src/Jellyfin.MediaEncoding.Hls/Playlist/DynamicHlsPlaylistGenerator.cs
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@ -198,6 +198,11 @@ namespace Jellyfin.MediaEncoding.Hls.Playlist
internal static IReadOnlyList<double> ComputeSegments(KeyframeData keyframeData, int desiredSegmentLengthMs) internal static IReadOnlyList<double> ComputeSegments(KeyframeData keyframeData, int desiredSegmentLengthMs)
{ {
if (keyframeData.KeyframeTicks.Count > 0 && keyframeData.TotalDuration < keyframeData.KeyframeTicks[^1])
{
throw new ArgumentException("Invalid duration in keyframe data", nameof(keyframeData));
}
long lastKeyframe = 0; long lastKeyframe = 0;
var result = new List<double>(); var result = new List<double>();
// Scale the segment length to ticks to match the keyframes // Scale the segment length to ticks to match the keyframes
@ -219,7 +224,7 @@ namespace Jellyfin.MediaEncoding.Hls.Playlist
return result; return result;
} }
internal static double[] ComputeEqualLengthSegments(long desiredSegmentLengthMs, long totalRuntimeTicks) internal static double[] ComputeEqualLengthSegments(int desiredSegmentLengthMs, long totalRuntimeTicks)
{ {
if (desiredSegmentLengthMs == 0 || totalRuntimeTicks == 0) if (desiredSegmentLengthMs == 0 || totalRuntimeTicks == 0)
{ {

64
tests/Jellyfin.MediaEncoding.Hls.Tests/Playlist/DynamicHlsPlaylistGeneratorTests.cs
View File

@ -1,14 +1,29 @@
using System; using System;
using Jellyfin.MediaEncoding.Hls.Playlist; using Jellyfin.MediaEncoding.Hls.Playlist;
using Jellyfin.MediaEncoding.Keyframes;
using Xunit; using Xunit;
namespace Jellyfin.MediaEncoding.Hls.Tests.Playlist namespace Jellyfin.MediaEncoding.Hls.Tests.Playlist
{ {
public class DynamicHlsPlaylistGeneratorTests public class DynamicHlsPlaylistGeneratorTests
{ {
[Theory]
[MemberData(nameof(ComputeSegments_Valid_Success_Data))]
public void ComputeSegments_Valid_Success(KeyframeData keyframeData, int desiredSegmentLengthMs, double[] segments)
{
Assert.Equal(segments, DynamicHlsPlaylistGenerator.ComputeSegments(keyframeData, desiredSegmentLengthMs));
}
[Fact]
public void ComputeSegments_InvalidDuration_ThrowsArgumentException()
{
var keyframeData = new KeyframeData(0, new[] { MsToTicks(10000) });
Assert.Throws<ArgumentException>(() => DynamicHlsPlaylistGenerator.ComputeSegments(keyframeData, 6000));
}
[Theory] [Theory]
[MemberData(nameof(ComputeEqualLengthSegments_Valid_Success_Data))] [MemberData(nameof(ComputeEqualLengthSegments_Valid_Success_Data))]
public void ComputeEqualLengthSegments_Valid_Success(long desiredSegmentLengthMs, long totalRuntimeTicks, double[] segments) public void ComputeEqualLengthSegments_Valid_Success(int desiredSegmentLengthMs, long totalRuntimeTicks, double[] segments)
{ {
Assert.Equal(segments, DynamicHlsPlaylistGenerator.ComputeEqualLengthSegments(desiredSegmentLengthMs, totalRuntimeTicks)); Assert.Equal(segments, DynamicHlsPlaylistGenerator.ComputeEqualLengthSegments(desiredSegmentLengthMs, totalRuntimeTicks));
} }
@ -16,7 +31,7 @@ namespace Jellyfin.MediaEncoding.Hls.Tests.Playlist
[Theory] [Theory]
[InlineData(0, 1000000)] [InlineData(0, 1000000)]
[InlineData(1000, 0)] [InlineData(1000, 0)]
public void ComputeEqualLengthSegments_Invalid_ThrowsInvalidOperationException(long desiredSegmentLengthMs, long totalRuntimeTicks) public void ComputeEqualLengthSegments_Invalid_ThrowsInvalidOperationException(int desiredSegmentLengthMs, long totalRuntimeTicks)
{ {
Assert.Throws<InvalidOperationException>(() => DynamicHlsPlaylistGenerator.ComputeEqualLengthSegments(desiredSegmentLengthMs, totalRuntimeTicks)); Assert.Throws<InvalidOperationException>(() => DynamicHlsPlaylistGenerator.ComputeEqualLengthSegments(desiredSegmentLengthMs, totalRuntimeTicks));
} }
@ -38,18 +53,49 @@ namespace Jellyfin.MediaEncoding.Hls.Tests.Playlist
Assert.False(DynamicHlsPlaylistGenerator.IsExtractionAllowedForFile(filePath, allowedExtensions)); Assert.False(DynamicHlsPlaylistGenerator.IsExtractionAllowedForFile(filePath, allowedExtensions));
} }
private static TheoryData<long, long, double[]> ComputeEqualLengthSegments_Valid_Success_Data() private static TheoryData<int, long, double[]> ComputeEqualLengthSegments_Valid_Success_Data()
{ {
var data = new TheoryData<long, long, double[]> var data = new TheoryData<int, long, double[]>
{ {
{ 6000, TimeSpan.FromMilliseconds(13000).Ticks, new[] { 6.0, 6.0, 1.0 } }, { 6000, MsToTicks(13000), new[] { 6.0, 6.0, 1.0 } },
{ 3000, TimeSpan.FromMilliseconds(15000).Ticks, new[] { 3.0, 3.0, 3.0, 3.0, 3.0 } }, { 3000, MsToTicks(15000), new[] { 3.0, 3.0, 3.0, 3.0, 3.0 } },
{ 6000, TimeSpan.FromMilliseconds(25000).Ticks, new[] { 6.0, 6.0, 6.0, 6.0, 1.0 } }, { 6000, MsToTicks(25000), new[] { 6.0, 6.0, 6.0, 6.0, 1.0 } },
{ 6000, TimeSpan.FromMilliseconds(20123).Ticks, new[] { 6.0, 6.0, 6.0, 2.123 } }, { 6000, MsToTicks(20123), new[] { 6.0, 6.0, 6.0, 2.123 } },
{ 6000, TimeSpan.FromMilliseconds(1234).Ticks, new[] { 1.234 } } { 6000, MsToTicks(1234), new[] { 1.234 } }
}; };
return data; return data;
} }
private static TheoryData<KeyframeData, int, double[]> ComputeSegments_Valid_Success_Data()
{
var data = new TheoryData<KeyframeData, int, double[]>
{
{
new KeyframeData(MsToTicks(35000), new[] { 0, MsToTicks(10427), MsToTicks(20854), MsToTicks(31240) }),
6000,
new[] { 10.427, 10.427, 10.386, 3.760 }
},
{
new KeyframeData(MsToTicks(10000), new[] { 0, MsToTicks(1000), MsToTicks(2000), MsToTicks(3000), MsToTicks(4000), MsToTicks(5000) }),
2000,
new[] { 2.0, 2.0, 6.0 }
},
{
new KeyframeData(MsToTicks(10000), new[] { 0L }),
6000,
new[] { 10.0 }
},
{
new KeyframeData(MsToTicks(10000), Array.Empty<long>()),
6000,
new[] { 10.0 }
}
};
return data;
}
private static long MsToTicks(int value) => TimeSpan.FromMilliseconds(value).Ticks;
} }
} }