src/audio/SDL_audiodev_c.h
author Sam Lantinga <slouken@libsdl.org>
Thu, 04 Jun 2020 12:30:25 -0700
changeset 13898 aa9d7c43a982
parent 13422 fd6a12de91c7
permissions -rw-r--r--
Fixed exception if getManifestEnvironmentVariables() is called without a current SDL activity
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 
    22 #ifndef SDL_audiodev_c_h_
    23 #define SDL_audiodev_c_h_
    24 
    25 #include "SDL.h"
    26 #include "../SDL_internal.h"
    27 #include "SDL_sysaudio.h"
    28 
    29 /* Open the audio device for playback, and don't block if busy */
    30 /* #define USE_BLOCKING_WRITES */
    31 
    32 #ifdef USE_BLOCKING_WRITES
    33 #define OPEN_FLAGS_OUTPUT O_WRONLY
    34 #define OPEN_FLAGS_INPUT O_RDONLY
    35 #else
    36 #define OPEN_FLAGS_OUTPUT (O_WRONLY|O_NONBLOCK)
    37 #define OPEN_FLAGS_INPUT (O_RDONLY|O_NONBLOCK)
    38 #endif
    39 
    40 extern void SDL_EnumUnixAudioDevices(const int classic, int (*test)(int));
    41 
    42 #endif /* SDL_audiodev_c_h_ */
    43 
    44 /* vi: set ts=4 sw=4 expandtab: */