feat(ads/seo/release): v1.2.0 with live Google Ads, isolated ad profile, ads.txt, and SEO/AEO/GEO optimization

tests/Paca.Tests/Core/VideoTonemapEnhancerGateTests.cs

@@ -0,0 +1,85 @@
+using System;
+using Paca.Core;
+using Xunit;
+
+namespace Paca.Tests.Core;
+
+public class VideoTonemapEnhancerGateTests
+{
+    [Fact]
+    public void Gate413_VideoTonemapEnhancer_BuildsHdrToSdrFilter_WithSelectedAlgorithm()
+    {
+        var filterMobius = VideoTonemapEnhancer.BuildHdrToSdrFilter(TonemapAlgorithm.Mobius);
+        Assert.Contains("tonemap=mobius", filterMobius);
+        Assert.Contains("zscale=transfer=bt709", filterMobius);
+
+        var filterHable = VideoTonemapEnhancer.BuildHdrToSdrFilter(TonemapAlgorithm.Hable);
+        Assert.Contains("tonemap=hable", filterHable);
+
+        var filterReinhard = VideoTonemapEnhancer.BuildHdrToSdrFilter(TonemapAlgorithm.Reinhard);
+        Assert.Contains("tonemap=reinhard", filterReinhard);
+    }
+
+    [Fact]
+    public void Gate414_VideoTonemapEnhancer_BuildsColorGradeFilter_WithCustomPreset()
+    {
+        var cinematic = VideoTonemapEnhancer.BuildColorGradeFilter(ColorGradePreset.CinematicWarm);
+        Assert.Contains("eq=contrast=1.10", cinematic);
+        Assert.Contains("saturation=1.15", cinematic);
+        Assert.Contains("colorbalance=rs=0.05", cinematic);
+
+        var oled = VideoTonemapEnhancer.BuildColorGradeFilter(ColorGradePreset.OledDeepBlack);
+        Assert.Contains("contrast=1.05", oled);
+        Assert.Contains("gamma=0.95", oled);
+
+        var none = VideoTonemapEnhancer.BuildColorGradeFilter(ColorGradePreset.None);
+        Assert.Empty(none);
+    }
+
+    [Fact]
+    public void Gate415_VideoTonemapEnhancer_CombinesTonemapAndColorGrade_Properly()
+    {
+        var combined = VideoTonemapEnhancer.BuildCombinedFilter(TonemapAlgorithm.Hable, ColorGradePreset.CinematicWarm);
+        Assert.Contains("tonemap=hable", combined);
+        Assert.Contains("colorbalance=rs=0.05", combined);
+    }
+
+    [Fact]
+    public void Gate416_VideoTonemapEnhancer_BuildsFfmpegCliArgs_WithPixelFormat()
+    {
+        var args = VideoTonemapEnhancer.BuildFfmpegArgs("hdr.mp4", "sdr.mp4", TonemapAlgorithm.Mobius, ColorGradePreset.OledDeepBlack, crf: 20);
+
+        Assert.Contains("-i \"hdr.mp4\"", args);
+        Assert.Contains("-vf \"", args);
+        Assert.Contains("tonemap=mobius", args);
+        Assert.Contains("-c:v libx264 -crf 20", args);
+        Assert.Contains("-pix_fmt yuv420p", args);
+        Assert.Contains("-c:a copy", args);
+        Assert.Contains("\"sdr.mp4\"", args);
+    }
+
+    [Fact]
+    public void Gate417_VideoTonemapEnhancer_SupportsHardwareAcceleratedGpuEncoding()
+    {
+        var nvencArgs = VideoTonemapEnhancer.BuildFfmpegArgs(
+            "hdr.mp4", "sdr.mp4",
+            TonemapAlgorithm.Hable, ColorGradePreset.CinematicWarm,
+            crf: 22,
+            videoEncoder: "hevc_nvenc",
+            presetSpeed: "p4");
+
+        Assert.Contains("-c:v hevc_nvenc", nvencArgs);
+        Assert.Contains("-cq 22", nvencArgs);
+        Assert.Contains("-preset p4", nvencArgs);
+        Assert.DoesNotContain("libx264", nvencArgs);
+
+        var qsvArgs = VideoTonemapEnhancer.BuildFfmpegArgs(
+            "hdr.mp4", "sdr.mp4",
+            TonemapAlgorithm.Mobius, ColorGradePreset.Vibrant,
+            crf: 24,
+            videoEncoder: "av1_qsv");
+
+        Assert.Contains("-c:v av1_qsv", qsvArgs);
+        Assert.Contains("-global_quality 24", qsvArgs);
+    }
+}