scummvm/engines/sci/sfx/sfx_pcm.h

62 lines
1.9 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef SCI_SFX_SFX_PCM_H
#define SCI_SFX_SFX_PCM_H
#include "common/error.h"
#include "sound/timestamp.h"
namespace Sci {
#define SFX_PCM_MONO 0
#define SFX_PCM_STEREO_LR 1 /* left sample, then right sample */
/* The following are used internally by the mixer */
#define SFX_PCM_FORMAT_8 0
#define SFX_PCM_FORMAT_16 2
/* Pick one of these formats (including the _NATIVE) ones for your PCM feed */
#define SFX_PCM_FORMAT_U8 (0x0080 | SFX_PCM_FORMAT_8) /* Unsigned (bias 128) 8 bit format */
#define SFX_PCM_FORMAT_S16_NATIVE (0x0000 | SFX_PCM_FORMAT_16)
struct sfx_pcm_config_t {
int rate; /* Sampling rate */
int stereo; /* The stereo mode used (SFX_PCM_MONO or SFX_PCM_STEREO_*) */
unsigned int format; /* Sample format (SFX_PCM_FORMAT_*) */
};
int sfx_pcm_available();
/* Determines whether a PCM device is available and has been initialised
** Returns : (int) zero iff no PCM device is available
*/
} // End of namespace Sci
#endif // SCI_SFX_SFX_PCM_H