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Simple Directmedia Layer
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Sam Lantinga 15bae953b1 Fixed bug 4642 - Rework SDL_netbsdaudio to improve performance 
Nia Alarie

The NetBSD audio driver has a few problems. Lots of obsolete code, and extremely bad performance and stuttering.

I have a patch in NetBSD's package system to improve it. This is my attempt to upstream it.

The changes include:

* Removing references to defines which are never used.
* Using the correct structures for playback and recording, previously they were the wrong way around.
* Using the correct types ('struct audio_prinfo' in contrast to 'audio_prinfo')
* Removing the use of non-blocking I/O, as suggested in #3177.
* Removing workarounds for driver bugs on systems that don't exist or use this driver any more.
* Removing all usage of SDL_Delay(1)
* Removing pointless use of AUDIO_INITINFO and tests that expect AUDIO_SETINFO to fail when it can't.

These changes bring its performance in line with the DSP audio driver.
 		2019-06-08 13:03:36 -07:00
VisualC Fixed Visual Studio build 2019-03-16 19:46:37 -07:00
VisualC-WinRT Added display event files to the Visual Studio projects 2018-08-23 02:48:47 -07:00
Xcode Added support for building SDL as a dynamic library on iOS 2019-03-19 07:53:33 -07:00
Xcode-iOS Created Xcode schemes for building on iOS and tvOS 2019-04-23 14:08:09 -07:00
acinclude Added missing PKG_CONFIG macros 2019-03-16 17:39:15 -07:00
android-project Fixed hiding the Android virtual keyboard when the return key is pressed 2019-05-23 11:05:43 -07:00
android-project-ant Added the old ant Android build project structure 2017-10-28 12:11:25 -07:00
build-scripts Updated minimum supported Android version to API 16, to match latest NDK toolchain 2019-01-12 12:11:06 -08:00
cmake mir: Removed mir client support. 2018-11-02 21:34:17 -04:00
debian Updated copyright for 2019 2019-01-04 22:01:14 -08:00
docs Android: add hint SDL_HINT_ANDROID_BLOCK_ON_PAUSE 2019-04-05 09:16:30 +02:00
include test: unify all the command line usage logging. 2019-05-28 17:39:13 -04:00
src Fixed bug 4642 - Rework SDL_netbsdaudio to improve performance 2019-06-08 13:03:36 -07:00
test test: unify all the command line usage logging. 2019-05-28 17:39:13 -04:00
visualtest test: unify all the command line usage logging. 2019-05-28 17:39:13 -04:00
wayland-protocols wayland: ask xdg-decoration protocol extension to use server-side decorations if possible. 2018-11-04 21:08:40 +01:00
.hgignore First pass on the new SDL sensor API 2018-08-21 12:11:34 -07:00
Android.mk Initial Android OpenSL ES implementation, contributed by ANTA 2019-01-12 12:18:44 -08:00
BUGS.txt BUGS.txt: Changed mailing list link to discourse.libsdl.org. 2017-04-01 00:05:25 -04:00
CMakeLists.txt Fixed bug 4639 - CMake build does not generate libhidapi.so for Android 2019-05-21 17:33:31 -07:00
COPYING.txt Updated copyright for 2019 2019-01-04 22:01:14 -08:00
CREDITS.txt Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
INSTALL.txt More HTTPS doc tweaks. 2017-02-16 16:59:07 -05:00
Makefile.in Add a configure option allowing users to choose whether to install sdl2-config 2019-04-07 23:01:07 +10:00
Makefile.minimal Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
Makefile.os2 minor update to Makefile.os2, added a test/Makefile.os2. 2018-11-20 10:55:00 +03:00
Makefile.pandora Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
Makefile.psp Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
Makefile.wiz Added a dummy sensor driver 2018-08-21 13:29:21 -07:00
README-SDL.txt More HTTPS changes in the documentation. 2017-02-16 16:52:03 -05:00
README.txt readme: correct webpage URL to use HTTPS. 2017-02-16 13:30:34 -05:00
SDL2.spec.in Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
SDL2Config.cmake Fixed bug 3651 - CMake build does not install CMake package configuration 2017-08-09 19:03:10 -07:00
TODO.txt Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
VisualC.html Fixed two typos in documentation. 2016-01-12 22:23:53 +01:00
WhatsNew.txt Android: add hint SDL_HINT_ANDROID_BLOCK_ON_PAUSE 2019-04-05 09:16:30 +02:00
autogen.sh Don't use pushd/popd in autogen.sh; Ubuntu's /bin/sh doesn't support it. 2016-12-26 22:58:58 -05:00
cmake_uninstall.cmake.in Fixed bug 3867 - Can't find install_manifest.txt when running 'uninstall' target 2017-10-12 08:44:45 -07:00
configure Fixed bug 4655 - evdev is available on FreeBSD, check in 'configure' limited to Linux 2019-06-05 12:03:45 -07:00
configure.ac Fixed bug 4655 - evdev is available on FreeBSD, check in 'configure' limited to Linux 2019-06-05 12:03:45 -07:00
sdl2-config.cmake.in Applied Ubuntu patch bug_822210_fix_sdl2-config.cmake_whitespace.patch 2016-10-07 15:08:37 -07:00
sdl2-config.in Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
sdl2.m4 Fixed bug 4544 - SDL2.m4 SDL2.framework patch made it impossible to fail detection 2019-03-16 18:45:10 -07:00
sdl2.pc.in Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00

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)