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//driver_wmm.h:
/*
* Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2014
*
* This file is part of roard a part of RoarAudio,
* a cross-platform sound system for both, home and professional use.
* See README for details.
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3
* as published by the Free Software Foundation.
*
* RoarAudio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef _DRIVER_WMM_H_
#define _DRIVER_WMM_H_
#include <roaraudio.h>
#ifdef ROAR_HAVE_LIBWINMM
struct driver_wmm {
UINT id; /* device id */
HWAVEOUT hwo; /* waveout handler */
WAVEOUTCAPS caps; /* device caps */
WAVEFORMATEX wavefmt; /* sample format */
int opened; /* device has been opened */
int prepared; /* waveheaders have been prepared */
int blocks; /* number of blocks (wave headers) */
int splPerBlock; /* sample per blocks. */
int msPerBlock; /* millisecond per block (approx.) */
void * bigbuffer; /* Allocated buffer for waveheaders and sound data */
struct {
WAVEHDR wh; /* waveheader */
char * data; /* sample data ptr */
int idx; /* index of this header */
int count; /* current byte count */
int length; /* size of data */
int sent; /* set when header is sent to device */
} * wh; /* Pointer to waveheaders in bigbuffer */
BYTE * spl; /* Pointer to sound data in bigbuffer */
int sent_blocks; /* Number of waveheader sent (not ack). */
int full_blocks; /* Number of waveheader full (ready to send). */
int widx; /* Index to the block being currently filled. */
int ridx; /* Index to the block being sent. */
};
int driver_wmm_open_vio(struct roar_vio_calls * inst, char * device, struct roar_audio_info * info, int fh, struct roar_stream_server * sstream);
int driver_wmm_close_vio(struct roar_vio_calls * vio);
ssize_t driver_wmm_write(struct roar_vio_calls * vio, void *buf, size_t count);
#endif
#endif
//ll
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