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/*
Copyright (C) 2001 Paul Davis
Copyright (C) 2004 Karsten Wiese, Rui Nuno Capela
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __jack_usx2y_h__
#define __jack_usx2y_h__
#define USX2Y_MAXPACK 50
#define USX2Y_MAXBUFFERMS 100
#define USX2Y_MAXSTRIDE 3
#define USX2Y_SSS (((USX2Y_MAXPACK * USX2Y_MAXBUFFERMS * USX2Y_MAXSTRIDE + 4096) / 4096) * 4096)
struct snd_usX2Y_hwdep_pcm_shm {
char playback[USX2Y_SSS];
char capture0x8[USX2Y_SSS];
char capture0xA[USX2Y_SSS];
volatile int playback_iso_head;
int playback_iso_start;
struct {
int frame,
offset,
length;
} captured_iso[128];
volatile int captured_iso_head;
volatile unsigned captured_iso_frames;
int capture_iso_start;
};
typedef struct snd_usX2Y_hwdep_pcm_shm snd_usX2Y_hwdep_pcm_shm_t;
typedef struct {
alsa_driver_t *driver;
snd_hwdep_t *hwdep_handle;
struct pollfd pfds;
struct snd_usX2Y_hwdep_pcm_shm *hwdep_pcm_shm;
int playback_iso_start;
int playback_iso_bytes_done;
int capture_iso_start;
int capture_iso_bytes_done;
} usx2y_t;
jack_hardware_t *
jack_alsa_usx2y_hw_new (alsa_driver_t *driver);
#endif /* __jack_usx2y_h__*/
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