[PD-cvs] pd/portaudio/pa_unix_oss pa_unix_oss.c,1.10,1.11

[Guenter Geiger]

Update of /cvsroot/pure-data/pd/portaudio/pa_unix_oss
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv26116/pa_unix_oss

Added Files:
	pa_unix_oss.c 
Log Message:
these files have been removed by mistake, they are necessary for portaudio support

--- NEW FILE: pa_unix_oss.c ---
/*
 * $Id: pa_unix_oss.c,v 1.6.2.27 2006/02/21 19:13:56 bjornroche Exp $
 * PortAudio Portable Real-Time Audio Library
 * Latest Version at: http://www.portaudio.com
 * OSS implementation by:
 *   Douglas Repetto
 *   Phil Burk
 *   Dominic Mazzoni
 *   Arve Knudsen
 *
 * Based on the Open Source API proposed by Ross Bencina
 * Copyright (c) 1999-2002 Ross Bencina, Phil Burk
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
[...1882 lines suppressed...]
    audio_buf_info info;

    if( ioctl( stream->capture->fd, SNDCTL_DSP_GETISPACE, &info ) < 0 )
        return paUnanticipatedHostError;
    return info.fragments * stream->capture->hostFrames;
}


/* TODO: Compute number of allocated bytes somewhere else, can we use ODELAY with capture */
static signed long GetStreamWriteAvailable( PaStream* s )
{
    PaOssStream *stream = (PaOssStream*)s;
    int delay = 0;

    if( ioctl( stream->playback->fd, SNDCTL_DSP_GETODELAY, &delay ) < 0 )
        return paUnanticipatedHostError;
    
    return (PaOssStreamComponent_BufferSize( stream->playback ) - delay) / PaOssStreamComponent_FrameSize( stream->playback );
}