fix segmenter v2 with videotoolbox accel (#2361)

* fix segmenter v2 with videotoolbox

* more capabilities checks

CHANGELOG.md

@@ -90,6 +90,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Classic schedules: always start new alternate schedules with the first schedule item
 - Classic Schedules: log offline gaps longer than 1 hour due to strict fixed start times
 - Fix `HLS Segmenter V2` streaming mode with AMF acceleration
+- Fix `HLS Segmenter V2` streaming mode with VideoToolbox acceleration
 - Fix startup process for database and search index initialization
   - Redirect all pages to home page when initializing to prevent errors
   - Clear stale sqlite migration lock on startup to prevent getting stuck on database initialization

ErsatzTV.FFmpeg/Capabilities/FourCC.cs

@@ -2,14 +2,20 @@ namespace ErsatzTV.FFmpeg.Capabilities;
 
 public static class FourCC
 {
+    public const string Av1 = "av01";
     public const string H264 = "avc1";
     public const string Hevc = "hvc1";
-    public const string Vp9 = "vp90";
+    public const string Mpeg2Video = "mp2v";
+    public const string Mpeg4 = "mp4v";
+    public const string Vp9 = "vp09";
 
     public static readonly List<string> AllVideoToolbox =
     [
+        Av1,
         H264,
         Hevc,
+        Mpeg2Video,
+        Mpeg4,
         Vp9
     ];
 }

ErsatzTV.FFmpeg/Capabilities/VideoToolboxHardwareCapabilities.cs

@@ -28,6 +28,11 @@ public class VideoToolboxHardwareCapabilities : IHardwareCapabilities
     {
         if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX) && Decoders.IsEmpty)
         {
+            if (VideoToolboxUtil.IsHardwareDecoderSupported(FourCC.Av1, _logger))
+            {
+                Decoders.AddOrUpdate(VideoFormat.Av1, true, (_, _) => true);
+            }
+
             if (VideoToolboxUtil.IsHardwareDecoderSupported(FourCC.H264, _logger))
             {
                 Decoders.AddOrUpdate(VideoFormat.H264, true, (_, _) => true);
@@ -38,6 +43,16 @@ public class VideoToolboxHardwareCapabilities : IHardwareCapabilities
                 Decoders.AddOrUpdate(VideoFormat.Hevc, true, (_, _) => true);
             }
 
+            if (VideoToolboxUtil.IsHardwareDecoderSupported(FourCC.Mpeg2Video, _logger))
+            {
+                Decoders.AddOrUpdate(VideoFormat.Mpeg2Video, true, (_, _) => true);
+            }
+
+            if (VideoToolboxUtil.IsHardwareDecoderSupported(FourCC.Mpeg4, _logger))
+            {
+                Decoders.AddOrUpdate(VideoFormat.Mpeg4, true, (_, _) => true);
+            }
+
             if (VideoToolboxUtil.IsHardwareDecoderSupported(FourCC.Vp9, _logger))
             {
                 Decoders.AddOrUpdate(VideoFormat.Vp9, true, (_, _) => true);

ErsatzTV.FFmpeg/Pipeline/VideoToolboxPipelineBuilder.cs

@@ -5,6 +5,7 @@ using ErsatzTV.FFmpeg.Encoder.VideoToolbox;
 using ErsatzTV.FFmpeg.Filter;
 using ErsatzTV.FFmpeg.Format;
 using ErsatzTV.FFmpeg.GlobalOption.HardwareAcceleration;
+using ErsatzTV.FFmpeg.OutputFormat;
 using ErsatzTV.FFmpeg.OutputOption;
 using Microsoft.Extensions.Logging;
 
@@ -61,6 +62,12 @@ public class VideoToolboxPipelineBuilder : SoftwarePipelineBuilder
             desiredState.VideoProfile,
             desiredState.PixelFormat);
 
+        // use software encoding (rawvideo) when piping to parent hls segmenter
+        if (ffmpegState.OutputFormat is OutputFormatKind.Nut)
+        {
+            encodeCapability = FFmpegCapability.Software;
+        }
+
         if (decodeCapability is FFmpegCapability.Hardware)
         {
             pipelineSteps.Add(new VideoToolboxHardwareAccelerationOption());