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Simple Directmedia Layer
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Sam Lantinga 31765242d6 Fixed bug 4294 - Audio: perform more validation on conversion request 
janisozaur

There are many cases which are not able to be handled by SDL's audio conversion routines, including too low (negative) rate, too high rate (impossible to allocate).

This patch aims to report such issues early and handle others in a graceful manner. The "INT32_MAX / RESAMPLER_SAMPLES_PER_ZERO_CROSSING" value is the conservative approach in terms of what can _technically_ be supported, but its value is 4'194'303, or just shy of 4.2MHz. I highly doubt any sane person would use such rates, especially in SDL2, so I would like to drive this limit further down, but would need some assistance to do that, as doing so would have to introduce an arbitrary value. Are you OK with such approach? What would a good value be? Wikipedia (https://en.wikipedia.org/wiki/High-resolution_audio) lists 96kHz as the highest sampling rate in use, even if I quadruple it for a good measure, to 384kHz it's still an order of magnitude lower than 4MHz.
 		2019-06-08 18:22:18 -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 Fixed bug 4603 - The iOS Test Xcode project file needs to add the metal framework 2019-06-08 14:29:05 -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 Fixed bug 4526 - replace SDL_RW* macros with functions for using in bindings 2019-06-08 17:43:23 -07:00
src Fixed bug 4294 - Audio: perform more validation on conversion request 2019-06-08 18:22:18 -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 4593 - Respect CMake's BUILD_SHARED_LIBS default behavior 2019-06-08 14:36:03 -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)