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/*
.h:
Copyright (C) 2008 by Cesare Marilungo
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
*/
#define MAX_NAME_LEN 32 /* for client and port name */
typedef struct RtJackBuffer_ {
#ifdef LINUX
pthread_mutex_t csndLock; /* signaled by process callback */
pthread_mutex_t jackLock; /* signaled by audio thread */
#else
void *csndLock; /* signaled by process callback */
void *jackLock; /* signaled by audio thread */
#endif
jack_default_audio_sample_t **inBufs; /* 'nChannels' capture buffers */
jack_default_audio_sample_t **outBufs; /* 'nChannels' playback buffers */
} RtJackBuffer;
typedef struct RtJackGlobals_ {
CSOUND *csound; /* Csound instance pointer */
int jackState; /* 0: OK, 1: sr changed, 2: quit */
char clientName[MAX_NAME_LEN + 1]; /* client name */
char inputPortName[MAX_NAME_LEN + 1]; /* input port name prefix */
char outputPortName[MAX_NAME_LEN + 1]; /* output port name prefix */
int sleepTime; /* sleep time in us (deprecated) */
char *inDevName; /* device name for -i adc */
char *outDevName; /* device name for -o dac */
int sampleRate; /* sample rate in Hz */
int nChannels; /* number of channels */
int nChannels_i; /* number of in channels */
int bufSize; /* buffer size in sample frames */
int nBuffers; /* number of buffers (>= 2) */
int inputEnabled; /* non-zero if capture (adc) is on */
int outputEnabled; /* non-zero if playback (dac) is on */
int csndBufCnt; /* current buffer in Csound thread */
int csndBufPos; /* buffer position in Csound thread */
int jackBufCnt; /* current buffer in JACK callback */
int jackBufPos; /* buffer position in JACK callback */
jack_client_t *client; /* JACK client pointer */
jack_port_t **inPorts; /* 'nChannels' ports for capture */
jack_default_audio_sample_t **inPortBufs;
jack_port_t **outPorts; /* 'nChannels' ports for playback */
jack_default_audio_sample_t **outPortBufs;
RtJackBuffer **bufs; /* 'nBuffers' I/O buffers */
int xrunFlag; /* non-zero if an xrun has occured */
jack_client_t *listclient;
int outDevNum, inDevNum; /* select devs by number */
} RtJackGlobals;
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