x11-libs/libva-intel-media-driver/files/0004-reset-brc-when-frame-rate-changes-for-VP8e.patch

From 64f8cf79f9ce82cbfea2319bb88d3983c1cbe052 Mon Sep 17 00:00:00 2001
From: XinfengZhang <carl.zhang@intel.com>
Date: Thu, 22 Jul 2021 12:34:02 -0400
Subject: [PATCH] reset brc when frame rate changes for VP8e

Signed-off-by: XinfengZhang <carl.zhang@intel.com>
---
 media_driver/linux/common/codec/ddi/media_ddi_encode_vp8.cpp | 5 +++++
 media_driver/linux/common/codec/ddi/media_ddi_encode_vp8.h   | 1 +
 2 files changed, 6 insertions(+)

diff --git a/media_driver/linux/common/codec/ddi/media_ddi_encode_vp8.cpp b/media_driver/linux/common/codec/ddi/media_ddi_encode_vp8.cpp
index 9a69be8f..2a3a599b 100644
--- a/media_driver/linux/common/codec/ddi/media_ddi_encode_vp8.cpp
+++ b/media_driver/linux/common/codec/ddi/media_ddi_encode_vp8.cpp
@@ -710,6 +710,11 @@ void DdiEncodeVp8::ParseMiscParamFR(void *data)
     tmpId = vaFrameRate->framerate_flags.bits.temporal_id;
 #endif
     seqParams->FramesPer100Sec[tmpId] = numerator/denominator;
+    if(m_framesPer100Sec && m_framesPer100Sec != seqParams->FramesPer100Sec[tmpId])
+    {
+        seqParams->ResetBRC = 0x1;
+    }
+    m_framesPer100Sec = seqParams->FramesPer100Sec[tmpId];
 }
 
 void DdiEncodeVp8::ParseMiscParamRC(void *data)
diff --git a/media_driver/linux/common/codec/ddi/media_ddi_encode_vp8.h b/media_driver/linux/common/codec/ddi/media_ddi_encode_vp8.h
index 4ffde91b..f42f3309 100644
--- a/media_driver/linux/common/codec/ddi/media_ddi_encode_vp8.h
+++ b/media_driver/linux/common/codec/ddi/media_ddi_encode_vp8.h
@@ -287,4 +287,5 @@ private:
         bool                                  picReference);
 
     uint32_t   m_mvOffset = 0; //!< Motion vector offset.
+    uint32_t   m_framesPer100Sec = 0;
 };
-- 
2.25.1