From bfc27e494b26e3fb3507a79d49b2df0fe035bbfe Mon Sep 17 00:00:00 2001
From: nyanmisaka <nst799610810@gmail.com>
Date: Sat, 5 Mar 2022 21:47:59 +0800
Subject: [PATCH] Remove the deprecated OMX and MMAL HWA

---
 .../MediaEncoding/EncodingHelper.cs           | 50 +------------------
 .../Encoder/EncoderValidator.cs               | 15 +-----
 .../Session/HardwareEncodingType.cs           | 18 ++-----
 3 files changed, 7 insertions(+), 76 deletions(-)

diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index 0e7a1d4cb..771c13ead 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -84,7 +84,6 @@ namespace MediaBrowser.Controller.MediaEncoding
                     { "vaapi",                hwEncoder + "_vaapi" },
                     { "videotoolbox",         hwEncoder + "_videotoolbox" },
                     { "v4l2m2m",              hwEncoder + "_v4l2m2m" },
-                    { "omx",                  hwEncoder + "_omx" },
                 };
 
                 if (!string.IsNullOrEmpty(hwType)
@@ -1581,10 +1580,8 @@ namespace MediaBrowser.Controller.MediaEncoding
 
             if (!string.IsNullOrEmpty(profile))
             {
-                if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase)
-                    && !string.Equals(videoEncoder, "h264_v4l2m2m", StringComparison.OrdinalIgnoreCase))
+                if (!string.Equals(videoEncoder, "h264_v4l2m2m", StringComparison.OrdinalIgnoreCase))
                 {
-                    // not supported by h264_omx
                     param += " -profile:v:0 " + profile;
                 }
             }
@@ -1623,8 +1620,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                     // NVENC cannot adjust the given level, just throw an error.
                     // level option may cause corrupted frames on AMD VAAPI.
                 }
-                else if (!string.Equals(videoEncoder, "h264_omx", StringComparison.OrdinalIgnoreCase)
-                         || !string.Equals(videoEncoder, "libx265", StringComparison.OrdinalIgnoreCase))
+                else if (!string.Equals(videoEncoder, "libx265", StringComparison.OrdinalIgnoreCase))
                 {
                     param += " -level " + level;
                 }
@@ -4284,11 +4280,6 @@ namespace MediaBrowser.Controller.MediaEncoding
                 {
                     return GetVideotoolboxVidDecoder(state, options, videoStream, bitDepth);
                 }
-
-                if (string.Equals(options.HardwareAccelerationType, "omx", StringComparison.OrdinalIgnoreCase))
-                {
-                    return GetOmxVidDecoder(state, options, videoStream, bitDepth);
-                }
             }
 
             var whichCodec = videoStream.Codec;
@@ -4764,43 +4755,6 @@ namespace MediaBrowser.Controller.MediaEncoding
             return null;
         }
 
-        public string GetOmxVidDecoder(EncodingJobInfo state, EncodingOptions options, MediaStream videoStream, int bitDepth)
-        {
-            if (!OperatingSystem.IsLinux()
-                || !string.Equals(options.HardwareAccelerationType, "omx", StringComparison.OrdinalIgnoreCase))
-            {
-                return null;
-            }
-
-            var is8bitSwFormatsOmx = string.Equals("yuv420p", videoStream.PixelFormat, StringComparison.OrdinalIgnoreCase);
-
-            if (is8bitSwFormatsOmx)
-            {
-                if (string.Equals("avc", videoStream.Codec, StringComparison.OrdinalIgnoreCase)
-                    || string.Equals("h264", videoStream.Codec, StringComparison.OrdinalIgnoreCase))
-                {
-                    return GetHwDecoderName(options, "h264", "mmal", "h264", bitDepth);
-                }
-
-                if (string.Equals("mpeg2video", videoStream.Codec, StringComparison.OrdinalIgnoreCase))
-                {
-                    return GetHwDecoderName(options, "mpeg2", "mmal", "mpeg2video", bitDepth);
-                }
-
-                if (string.Equals("mpeg4", videoStream.Codec, StringComparison.OrdinalIgnoreCase))
-                {
-                    return GetHwDecoderName(options, "mpeg4", "mmal", "mpeg4", bitDepth);
-                }
-
-                if (string.Equals("vc1", videoStream.Codec, StringComparison.OrdinalIgnoreCase))
-                {
-                    return GetHwDecoderName(options, "vc1", "mmal", "vc1", bitDepth);
-                }
-            }
-
-            return null;
-        }
-
         /// <summary>
         /// Gets the number of threads.
         /// </summary>
diff --git a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
index fe3069934..20d372d7a 100644
--- a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
@@ -44,18 +44,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
             "mpeg4_cuvid",
             "vp8_cuvid",
             "vp9_cuvid",
-            "av1_cuvid",
-            "h264_mmal",
-            "mpeg2_mmal",
-            "mpeg4_mmal",
-            "vc1_mmal",
-            "h264_opencl",
-            "hevc_opencl",
-            "mpeg2_opencl",
-            "mpeg4_opencl",
-            "vp8_opencl",
-            "vp9_opencl",
-            "vc1_opencl"
+            "av1_cuvid"
         };
 
         private static readonly string[] _requiredEncoders = new[]
@@ -82,8 +71,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
             "hevc_nvenc",
             "h264_vaapi",
             "hevc_vaapi",
-            "h264_omx",
-            "hevc_omx",
             "h264_v4l2m2m",
             "h264_videotoolbox",
             "hevc_videotoolbox"
diff --git a/MediaBrowser.Model/Session/HardwareEncodingType.cs b/MediaBrowser.Model/Session/HardwareEncodingType.cs
index 0db5697d3..f5753467a 100644
--- a/MediaBrowser.Model/Session/HardwareEncodingType.cs
+++ b/MediaBrowser.Model/Session/HardwareEncodingType.cs
@@ -21,28 +21,18 @@
         NVENC = 2,
 
         /// <summary>
-        /// OpenMax OMX.
+        /// Video4Linux2 V4L2.
         /// </summary>
-        OMX = 3,
-
-        /// <summary>
-        /// Exynos V4L2 MFC.
-        /// </summary>
-        V4L2M2M = 4,
-
-        /// <summary>
-        /// MediaCodec Android.
-        /// </summary>
-        MediaCodec = 5,
+        V4L2M2M = 3,
 
         /// <summary>
         /// Video Acceleration API (VAAPI).
         /// </summary>
-        VAAPI = 6,
+        VAAPI = 4,
 
         /// <summary>
         /// Video ToolBox.
         /// </summary>
-        VideoToolBox = 7
+        VideoToolBox = 5
     }
 }