diff --git a/ferretro_components/examples/multifunction_emulator.rs b/ferretro_components/examples/multifunction_emulator.rs
index 99c8a96..abd9049 100644
--- a/ferretro_components/examples/multifunction_emulator.rs
+++ b/ferretro_components/examples/multifunction_emulator.rs
@@ -57,12 +57,11 @@ pub fn main() -> Result<(), Box<dyn std::error::Error>> {
     let sdl2_ogl = SimpleSdl2OpenglComponent::new(&mut sdl_context, emu.libretro_core())?;
     emu.register_component(sdl2_ogl)?;
 
-    let sdl2_audio = SimpleSdl2AudioComponent::new(&mut sdl_context, emu.libretro_core())?;
-    emu.register_component(sdl2_audio)?;
+    emu.register_component(SimpleSdl2AudioComponent::new(&mut sdl_context)?)?;
 
     emu.register_component(SimpleSdl2GamepadComponent::new(&mut sdl_context))?;
 
-    emu.register_component(SleepFramerateLimitComponent::new())?;
+    emu.register_component(SleepFramerateLimitComponent::default())?;
 
     emu.register_component(PathBufComponent {
         sys_path: opt.system.clone(),
diff --git a/ferretro_components/src/provided/sdl2/audio.rs b/ferretro_components/src/provided/sdl2/audio.rs
index afd0396..6495b24 100644
--- a/ferretro_components/src/provided/sdl2/audio.rs
+++ b/ferretro_components/src/provided/sdl2/audio.rs
@@ -75,7 +75,7 @@ impl RetroComponent for SimpleSdl2AudioComponent {
 }
 
 impl SimpleSdl2AudioComponent {
-    pub fn new(sdl_context: &mut Sdl, _retro: &LibretroWrapper) -> Result<Self, Box<dyn std::error::Error>> {
+    pub fn new(sdl_context: &mut Sdl) -> Result<Self, Box<dyn std::error::Error>> {
         let audio = sdl_context.audio().unwrap();
         let desired_spec = AudioSpecDesired {
             freq: None,
diff --git a/ferretro_components/src/provided/sdl2/canvas.rs b/ferretro_components/src/provided/sdl2/canvas.rs
index 5e6c803..0ea222b 100644
--- a/ferretro_components/src/provided/sdl2/canvas.rs
+++ b/ferretro_components/src/provided/sdl2/canvas.rs
@@ -1,6 +1,7 @@
 use crate::prelude::*;
 
 use std::ffi::CStr;
+use std::path::Path;
 
 use sdl2::Sdl;
 use sdl2::rect::Rect;
@@ -23,12 +24,11 @@ impl SimpleSdl2CanvasComponent {
             unsafe { CStr::from_ptr(sys_info.library_name) }.to_string_lossy()
         );
 
-        let geometry = retro.get_system_av_info().geometry;
         let pixel_format = sdl2::pixels::PixelFormatEnum::ARGB1555;
 
         let window = sdl_context
             .video()?
-            .window(title.as_str(), geometry.base_width, geometry.base_height)
+            .window(title.as_str(), 256, 224)
             .build()?;
 
         let canvas = window.into_canvas().build()?;
@@ -40,7 +40,13 @@ impl SimpleSdl2CanvasComponent {
     }
 }
 
-impl RetroComponent for SimpleSdl2CanvasComponent {}
+impl RetroComponent for SimpleSdl2CanvasComponent {
+    fn post_load_game(&mut self, retro: &mut LibretroWrapper, _rom: &Path) -> crate::base::Result<()> {
+        self.set_geometry(&retro.get_system_av_info().geometry);
+        Ok(())
+    }
+}
+
 impl RetroCallbacks for SimpleSdl2CanvasComponent {
     fn video_refresh(&mut self, frame: &VideoFrame) {
         match frame {
diff --git a/ferretro_components/src/provided/sdl2/opengl.rs b/ferretro_components/src/provided/sdl2/opengl.rs
index 8162456..04113c8 100644
--- a/ferretro_components/src/provided/sdl2/opengl.rs
+++ b/ferretro_components/src/provided/sdl2/opengl.rs
@@ -2,11 +2,11 @@ use crate::prelude::*;
 
 use std::ffi::CStr;
 use std::os::raw::c_uint;
+use std::path::Path;
 
 use sdl2::Sdl;
 use sdl2::rect::Rect;
 use sdl2::render::WindowCanvas;
-use std::path::Path;
 
 /// Create a root window in SDL2 with an OpenGL context and attaches libretro's
 /// `hw_get_proc_address` calls to that of the [sdl2::VideoSubsystem].
diff --git a/ferretro_components/src/provided/sdl2/surface.rs b/ferretro_components/src/provided/sdl2/surface.rs
index e80174d..0cab588 100644
--- a/ferretro_components/src/provided/sdl2/surface.rs
+++ b/ferretro_components/src/provided/sdl2/surface.rs
@@ -9,15 +9,11 @@ pub struct Sdl2SurfaceComponent {
 }
 
 impl Sdl2SurfaceComponent {
-    pub fn new(retro: &LibretroWrapper) -> Result<Self, Box<dyn std::error::Error>> {
-        let geometry = retro.get_system_av_info().geometry;
+    pub fn new() -> Result<Self, Box<dyn std::error::Error>> {
         let pixel_format = sdl2::pixels::PixelFormatEnum::ARGB1555;
 
-        let surface = Surface::new(
-            geometry.base_width,
-            geometry.base_height,
-            pixel_format,
-        )?;
+        // automatically replaced in video_refresh whenever size doesn't match
+        let surface = Surface::new(1, 1, pixel_format)?;
 
         Ok(Sdl2SurfaceComponent {
             surface,
diff --git a/ferretro_components/src/provided/stdlib/fps.rs b/ferretro_components/src/provided/stdlib/fps.rs
index a47c1a1..c34086c 100644
--- a/ferretro_components/src/provided/stdlib/fps.rs
+++ b/ferretro_components/src/provided/stdlib/fps.rs
@@ -42,8 +42,8 @@ impl RetroCallbacks for SleepFramerateLimitComponent {
     }
 }
 
-impl SleepFramerateLimitComponent {
-    pub fn new() -> Self {
+impl Default for SleepFramerateLimitComponent {
+    fn default() -> Self {
         SleepFramerateLimitComponent {
             did_sleep: false,
             started_video: false,
@@ -51,7 +51,9 @@ impl SleepFramerateLimitComponent {
             frame_begin: Instant::now(),
         }
     }
+}
 
+impl SleepFramerateLimitComponent {
     pub fn do_sleep(&mut self) {
         // similar hack to the sample rate, make sure we don't divide by zero.
         let mut spf = 1.0 / self.fps;