enable qsv accel for vaapi docker images (#817)

CHANGELOG.md

@@ -7,6 +7,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Fixed
 - Additional fix for duplicate `Other Videos` entries; trash may need to be emptied one last time after upgrading
 
+### Added
+- Enable QSV hardware acceleration for vaapi docker images
+
 ## [0.5.8-beta] - 2022-05-20
 ### Fixed
 - Fix error display with `HLS Segmenter` and `MPEG-TS` streaming modes

ErsatzTV.Infrastructure/Health/Checks/FFmpegVersionHealthCheck.cs

@@ -9,6 +9,7 @@ namespace ErsatzTV.Infrastructure.Health.Checks;
 public class FFmpegVersionHealthCheck : BaseHealthCheck, IFFmpegVersionHealthCheck
 {
     private const string BundledVersion = "N-106635-g83e1a1de88";
+    private const string BundledVersionVaapi = "N-106957-g27cffd16aa";
     private readonly IConfigElementRepository _configElementRepository;
 
     public FFmpegVersionHealthCheck(IConfigElementRepository configElementRepository) =>
@@ -74,7 +75,7 @@ public class FFmpegVersionHealthCheck : BaseHealthCheck, IFFmpegVersionHealthChe
             return FailResult($"{app} version {version} is too old; please install 5.0!");
         }
 
-        if (!version.StartsWith("5.0") && version != BundledVersion)
+        if (!version.StartsWith("5.0") && version != BundledVersion && version != BundledVersionVaapi)
         {
             return WarningResult(
                 $"{app} version {version} is unexpected and may have problems; please install 5.0!");

docker/vaapi/ffmpeg.Dockerfile

@@ -10,6 +10,7 @@ RUN apt-get update && DEBIAN_FRONTEND="noninteractive" apt-get install -y libicu
     autoconf \
     libtool \
     libdrm-dev \
+    libmfx-dev \
     git \
     pkg-config \
     build-essential \