1 /* 2 * JACK Rack 3 * 4 * Original: 5 * Copyright (C) Robert Ham 2002, 2003 (node@users.sourceforge.net) 6 * 7 * Modification for MLT: 8 * Copyright (C) 2004-2021 Meltytech, LLC 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 */ 24 25 #ifndef __JLH_PROCESS_H__ 26 #define __JLH_PROCESS_H__ 27 28 #include <glib.h> 29 #ifdef WITH_JACK 30 #include <jack/jack.h> 31 #endif 32 #include <ladspa.h> 33 34 #include "lock_free_fifo.h" 35 36 typedef struct _process_info process_info_t; 37 38 /** this is what gets passed to the process() callback and contains all 39 the data the process callback will need */ 40 struct _process_info { 41 42 /** the plugin instance chain */ 43 struct _plugin * chain; 44 struct _plugin * chain_end; 45 46 #ifdef WITH_JACK 47 jack_client_t * jack_client; 48 unsigned long port_count; 49 jack_port_t ** jack_input_ports; 50 jack_port_t ** jack_output_ports; 51 #endif 52 53 unsigned long channels; 54 LADSPA_Data ** jack_input_buffers; 55 LADSPA_Data ** jack_output_buffers; 56 LADSPA_Data * silent_buffer; 57 58 char * jack_client_name; 59 int quit; 60 }; 61 62 #ifndef WITH_JACK 63 typedef guint32 jack_nframes_t; 64 #endif 65 extern jack_nframes_t sample_rate; 66 extern jack_nframes_t buffer_size; 67 68 process_info_t * process_info_new (const char * client_name, 69 unsigned long rack_channels, gboolean connect_inputs, gboolean connect_outputs); 70 void process_info_destroy (process_info_t * procinfo); 71 72 void process_info_set_channels (process_info_t * procinfo, 73 unsigned long channels, gboolean connect_inputs, gboolean connect_outputs); 74 75 int process_ladspa (process_info_t * procinfo, jack_nframes_t frames, 76 LADSPA_Data ** inputs, LADSPA_Data ** outputs); 77 78 #ifdef WITH_JACK 79 int process_jack (jack_nframes_t frames, void * data); 80 #endif 81 82 void process_quit (process_info_t * procinfo); 83 84 #endif /* __JLH_PROCESS_H__ */ 85