5 * Copyright (C) Robert Ham 2002, 2003 (node@users.sourceforge.net)
7 * Modification for MLT:
8 * Copyright (C) 2004 Ushodaya Enterprises Limited
9 * Author: Dan Dennedy <dan@dennedy.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #ifndef __JLH_PROCESS_H__
27 #define __JLH_PROCESS_H__
30 #include <jack/jack.h>
33 #include "lock_free_fifo.h"
35 typedef struct _process_info process_info_t;
37 /** this is what gets passed to the process() callback and contains all
38 the data the process callback will need */
39 struct _process_info {
41 /** the plugin instance chain */
42 struct _plugin * chain;
43 struct _plugin * chain_end;
45 jack_client_t * jack_client;
46 unsigned long port_count;
47 jack_port_t ** jack_input_ports;
48 jack_port_t ** jack_output_ports;
50 unsigned long channels;
51 LADSPA_Data ** jack_input_buffers;
52 LADSPA_Data ** jack_output_buffers;
53 LADSPA_Data * silent_buffer;
55 char * jack_client_name;
59 extern jack_nframes_t sample_rate;
60 extern jack_nframes_t buffer_size;
62 process_info_t * process_info_new (const char * client_name,
63 unsigned long rack_channels, gboolean connect_inputs, gboolean connect_outputs);
64 void process_info_destroy (process_info_t * procinfo);
66 void process_info_set_channels (process_info_t * procinfo,
67 unsigned long channels, gboolean connect_inputs, gboolean connect_outputs);
69 int process_ladspa (process_info_t * procinfo, jack_nframes_t frames,
70 LADSPA_Data ** inputs, LADSPA_Data ** outputs);
72 int process_jack (jack_nframes_t frames, void * data);
74 void process_quit (process_info_t * procinfo);
76 #endif /* __JLH_PROCESS_H__ */