From b805f112c21a1e5bae8d66caa1d640ad2d5e6f5f Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sat, 27 Jul 2019 17:43:00 +0200
Subject: [PATCH] AudioServer: Avoid two heap allocations per mixing iteration.

---
 Servers/AudioServer/ASMixer.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Servers/AudioServer/ASMixer.cpp b/Servers/AudioServer/ASMixer.cpp
index 472d126cec6..81d3180016a 100644
--- a/Servers/AudioServer/ASMixer.cpp
+++ b/Servers/AudioServer/ASMixer.cpp
@@ -61,7 +61,7 @@ void ASMixer::mix()
 
         max_size = min(1023, max_size);
 
-        Vector<ASample> mixed_buffer;
+        Vector<ASample, 1024> mixed_buffer;
         mixed_buffer.resize(max_size);
 
         // Mix the buffers together into the output
@@ -91,7 +91,8 @@ void ASMixer::mix()
         // max_size is 0 indexed, so add 1.
         const int output_buffer_byte_size = (max_size + 1) * 2 * 2;
         ASSERT(output_buffer_byte_size == 4096);
-        ByteBuffer buffer(ByteBuffer::create_uninitialized(output_buffer_byte_size));
+        u8 raw_buffer[4096];
+        auto buffer = ByteBuffer::wrap(raw_buffer, sizeof(raw_buffer));
         BufferStream stream(buffer);
 
         for (int i = 0; i < mixed_buffer.size(); ++i) {