From 2700eed08d3d7fdcc9eab6f9f8a21ebefc028222 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Sun, 24 Mar 2019 22:26:09 +0100
Subject: [PATCH] filter/ffmpeg: remove unnecessary av_frame_make_writable()
 call

A newly allocated buffer doesn't need this call; it only adds overhead
for copying the data.
---
 src/filter/plugins/FfmpegFilter.cxx | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/filter/plugins/FfmpegFilter.cxx b/src/filter/plugins/FfmpegFilter.cxx
index 0bdae78e2..af90b795a 100644
--- a/src/filter/plugins/FfmpegFilter.cxx
+++ b/src/filter/plugins/FfmpegFilter.cxx
@@ -57,7 +57,6 @@ FfmpegFilter::FilterPCM(ConstBuffer<void> src)
 	in_frame->nb_samples = src.size / in_audio_frame_size;
 
 	in_frame.GetBuffer();
-	in_frame.MakeWritable();
 
 	memcpy(in_frame.GetData(0), src.data, src.size);