From 6411fade3ce7ae5521f8c6e8f84fa836f134b811 Mon Sep 17 00:00:00 2001
From: sebres <serg.brester@sebres.de>
Date: Thu, 7 Sep 2023 20:27:38 +0200
Subject: [PATCH] translate threads to decoder (previously ignored): important
 for -mmt>=2 to use brotli-mt (the streams are incompatible)

---
 CPP/7zip/Archive/BrotliHandler.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CPP/7zip/Archive/BrotliHandler.cpp b/CPP/7zip/Archive/BrotliHandler.cpp
index 734ac5e8..f513c8cf 100644
--- a/CPP/7zip/Archive/BrotliHandler.cpp
+++ b/CPP/7zip/Archive/BrotliHandler.cpp
@@ -173,6 +173,9 @@ STDMETHODIMP CHandler::Extract(const UInt32 *indices, UInt32 numItems,
 
   NCompress::NBROTLI::CDecoder *decoderSpec = new NCompress::NBROTLI::CDecoder;
   decoderSpec->SetNumberOfThreads(0); /* .br - single threaded processing (without header/mt-frames) */
+  if (_props._numThreads_WasForced) {
+    decoderSpec->SetNumberOfThreads(_props._numThreads); // translate to decoder (important for -mmt>=2 to use brotli-mt)
+  }
   CMyComPtr<ICompressCoder> decoder = decoderSpec;
   decoderSpec->SetInStream(_seqStream);