From dc58299509376860eba0512cae3679044b523214 Mon Sep 17 00:00:00 2001
From: Conn O'Griofa <connogriofa@gmail.com>
Date: Mon, 12 Dec 2022 17:07:02 +0000
Subject: [PATCH] video: vaapi: reduce async_depth to 1

Reducing maximum processing parallelism to minimum should improve latency for realtime encoding.
---
 src/video.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/video.cpp b/src/video.cpp
index 36e2a731db3..70d7a6c4bcd 100644
--- a/src/video.cpp
+++ b/src/video.cpp
@@ -531,6 +531,7 @@ static encoder_t vaapi {
   AV_PIX_FMT_NV12, AV_PIX_FMT_YUV420P10,
   {
     {
+      { "async_depth"s, 1 },
       { "sei"s, 0 },
       { "idr_interval"s, std::numeric_limits<int>::max() },
     },
@@ -539,6 +540,7 @@ static encoder_t vaapi {
   },
   {
     {
+      { "async_depth"s, 1 },
       { "sei"s, 0 },
       { "idr_interval"s, std::numeric_limits<int>::max() },
     },