x11-libs/libva-intel-driver/files/vp8-encoder-Workaround-to-force-perforamce-mode-enco.patch

From bd4264f2c9e14869011495202894449cbf9da6cc Mon Sep 17 00:00:00 2001
From: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
Date: Fri, 13 Sep 2019 10:27:10 -0800
Subject: [PATCH] vp8 encoder: Workaround to force perforamce mode encode

This is a tradeoff between quality and performance to
save power. Use quality-level two as the default
which will disable a couple of high intensity operations.
For eg: There won't be 16xMe layer in the hierarhical motion
estimations which should save significant number of cycles.
Also number of pak passes are now limited to 1.
---
 src/i965_encoder.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/i965_encoder.c b/src/i965_encoder.c
index 7bf20ea..127b74b 100644
--- a/src/i965_encoder.c
+++ b/src/i965_encoder.c
@@ -841,6 +841,10 @@ intel_encoder_check_misc_parameter(VADriverContextP ctx,
         VAEncMiscParameterBufferQualityLevel* param_quality_level = (VAEncMiscParameterBufferQualityLevel*)pMiscParam->data;
         encoder_context->quality_level = param_quality_level->quality_level;
 
+        //workaround: Force performace mode encode for vp8
+        if (profile == VAProfileVP8Version0_3)
+            encoder_context->quality_level = ENCODER_LOW_QUALITY;
+
         if (encoder_context->quality_level == 0) {
             switch (profile) {
             case VAProfileH264ConstrainedBaseline:
@@ -858,6 +862,10 @@ intel_encoder_check_misc_parameter(VADriverContextP ctx,
                 encoder_context->quality_level = ENCODER_DEFAULT_QUALITY_HEVC;
                 break;
 
+            case VAProfileVP8Version0_3:
+                encoder_context->quality_level = ENCODER_LOW_QUALITY;
+                break;
+
             default:
                 encoder_context->quality_level = ENCODER_DEFAULT_QUALITY;
                 break;
@@ -1632,6 +1640,7 @@ intel_enc_hw_context_init(VADriverContextP ctx,
     case VAProfileVP8Version0_3:
         encoder_context->codec = CODEC_VP8;
         encoder_context->quality_range = ENCODER_QUALITY_RANGE;
+        encoder_context->quality_level = ENCODER_LOW_QUALITY;
 
         break;
 
-- 
2.20.1