kc3-lang/SDL

Branch :

Show log
Commit
Author : Sam Lantinga
Date : 2017-10-18 19:30:47
Hash : afefcbfe
Message : Fixed bug 3876 - Resampling of certain sounds adds heavy distortion Simon Hug Patch that adds [-1, 1] clamping to the scalar audio type conversions. This may come from the SDL_Convert_F32_to_X_Scalar functions. They don't clamp the float value to [-1, 1] and when they cast it to the target integer it may be too large or too small for the type and get truncated, causing horrible noise. The attached patch throws clamping in, but I don't know if that's the preferred way to fix this. For x86 (without SSE) the compiler (I tested MSVC) seems to throw a horrible amount of x87 code in it. It's a bit better with SSE, but probably still quite the performance hit. And SSE2 uses a branchless approach with maxss and minss.

Properties

Git HTTP	https://git.kmx.io/kc3-lang/SDL.git
Git SSH	git@git.kmx.io:kc3-lang/SDL.git
Public ?	true
Name
Description	Fork of https://github.com/libsdl-org/SDL
Users - +
Tags

README.txt

                         Simple DirectMedia Layer

                                  (SDL)

                                Version 2.0

---
https://www.libsdl.org/

Simple DirectMedia Layer is a cross-platform development library designed
to provide low level access to audio, keyboard, mouse, joystick, and graphics
hardware via OpenGL and Direct3D. It is used by video playback software,
emulators, and popular games including Valve's award winning catalog
and many Humble Bundle games.

More extensive documentation is available in the docs directory, starting
with README.md

Enjoy!
	Sam Lantinga				(slouken@libsdl.org)

kc3-lang/SDL

Commit