use software decoding for mpeg4 with vaapi (#550)

CHANGELOG.md

@@ -4,6 +4,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
+### Fixed
+- Use software decoding for mpeg4 content when VAAPI acceleration is enabled
 
 ## [0.3.4-alpha] - 2021-12-21
 ### Fixed
@@ -25,7 +27,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ## [0.3.2-alpha] - 2021-12-03
 ### Fixed
 - Fix artwork upload on Windows
-- Fix unicode song metadata on Windows
+- Fix unicode song metadata on Windows`
 - Fix unicode console output on Windows
 - Fix TV Show NFO metadata processing when `year` is missing
 - Fix song detail outline to help legibility on white backgrounds

ErsatzTV.Core/FFmpeg/FFmpegPlaybackSettingsCalculator.cs

@@ -121,6 +121,11 @@ namespace ErsatzTV.Core.FFmpeg
                                     (HardwareAccelerationKind.Qsv, "h264", _) => "h264_qsv",
                                     (HardwareAccelerationKind.Qsv, "hevc", _) => "hevc_qsv",
                                     (HardwareAccelerationKind.Qsv, "mpeg2video", _) => "mpeg2_qsv",
+                                    
+                                    // temp disable mpeg4 hardware decoding for all vaapi
+                                    // TODO: check for codec support
+                                    (HardwareAccelerationKind.Vaapi, "mpeg4", _) => "mpeg4",
+                                    
                                     _ => null
                                 };
                         }