Add i965-va-driver-shader missing error

core/transcoder/utils.go

@@ -26,7 +26,7 @@ var errorMap = map[string]string{
 	"No VA display found for device": "vaapi not enabled. either your copy of ffmpeg does not support it, your hardware does not support it, or you need to install additional drivers for your hardware.",
 	"Could not find a valid device":  "your codec is either not supported or not configured properly",
 	"H.264 bitstream error":          "transcoding content error playback issues may arise. you may want to use the default codec if you are not already.",
-
+	"intel_enc_hw_context_init: Assertion 'encoder_context->mfc_context' failed": "if you are using Intel graphics you may be missing the i965-va-driver-shader drivers",
 	`Unknown encoder 'h264_qsv'`:       "your copy of ffmpeg does not have support for Intel QuickSync encoding (h264_qsv). change the selected codec in your video settings",
 	`Unknown encoder 'h264_vaapi'`:     "your copy of ffmpeg does not have support for VA-API encoding (h264_vaapi). change the selected codec in your video settings",
 	`Unknown encoder 'h264_nvenc'`:     "your copy of ffmpeg does not have support for NVIDIA hardware encoding (h264_nvenc). change the selected codec in your video settings",