From ae33c8de18a3f0e495fffe4752f490399577b4f3 Mon Sep 17 00:00:00 2001
From: Flyinghead <raphael.jean@gmail.com>
Date: Thu, 15 Jul 2021 00:26:00 +0200
Subject: [PATCH] sdl: increase audio buffer size. libretro: set PIC option

---
 CMakeLists.txt                   | 1 +
 core/oslib/audiobackend_sdl2.cpp | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d97aae207..60d495fe6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,6 +73,7 @@ elseif(LIBRETRO)
     set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
     set_target_properties(${PROJECT_NAME} PROPERTIES OUTPUT_NAME "flycast_libretro")
     set(CMAKE_SHARED_LIBRARY_PREFIX "")
+    set(CMAKE_POSITION_INDEPENDENT_CODE ON)
     target_compile_definitions(${PROJECT_NAME} PRIVATE LIBRETRO)
     if(ANDROID OR USE_GLES)
 		target_compile_definitions(${PROJECT_NAME} PRIVATE GLES GLES3 HAVE_OPENGLES HAVE_OPENGLES3)
diff --git a/core/oslib/audiobackend_sdl2.cpp b/core/oslib/audiobackend_sdl2.cpp
index cbdcf0aae..a98a5eb8e 100644
--- a/core/oslib/audiobackend_sdl2.cpp
+++ b/core/oslib/audiobackend_sdl2.cpp
@@ -86,7 +86,7 @@ static void sdl2_audio_init() {
 	wav_spec.freq = 44100;
 	wav_spec.format = AUDIO_S16;
 	wav_spec.channels = 2;
-	wav_spec.samples = SAMPLE_COUNT;  // Must be power of two
+	wav_spec.samples = SAMPLE_COUNT * 2;  // Must be power of two
 	wav_spec.callback = sdl2_audiocb;
 	
 	// Try 44.1KHz which should be faster since it's native.