src/audio/arts/SDL_artsaudio.h
author Sam Lantinga <slouken@libsdl.org>
Tue, 26 May 2015 06:27:46 -0700
changeset 9619 b94b6d0bff0f
parent 8149 681eb46b8ac4
child 9998 f67cf37e9cd4
permissions -rw-r--r--
Updated the copyright year to 2015
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2015 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 #include "../../SDL_internal.h"
    22 
    23 #ifndef _SDL_artscaudio_h
    24 #define _SDL_artscaudio_h
    25 
    26 #include <artsc.h>
    27 
    28 #include "../SDL_sysaudio.h"
    29 
    30 /* Hidden "this" pointer for the audio functions */
    31 #define _THIS   SDL_AudioDevice *this
    32 
    33 struct SDL_PrivateAudioData
    34 {
    35     /* The stream descriptor for the audio device */
    36     arts_stream_t stream;
    37 
    38     /* The parent process id, to detect when application quits */
    39     pid_t parent;
    40 
    41     /* Raw mixing buffer */
    42     Uint8 *mixbuf;
    43     int mixlen;
    44 
    45     /* Support for audio timing using a timer, in addition to select() */
    46     float frame_ticks;
    47     float next_frame;
    48 };
    49 #define FUDGE_TICKS 10      /* The scheduler overhead ticks per frame */
    50 
    51 #endif /* _SDL_artscaudio_h */
    52 /* vi: set ts=4 sw=4 expandtab: */