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Diffstat (limited to 'dssi/src/dssi~.c')
| -rw-r--r-- | dssi/src/dssi~.c | 1740 |
1 files changed, 1740 insertions, 0 deletions
diff --git a/dssi/src/dssi~.c b/dssi/src/dssi~.c new file mode 100644 index 0000000..11736c3 --- /dev/null +++ b/dssi/src/dssi~.c @@ -0,0 +1,1740 @@ +/* dssi~ - A DSSI host for PD + * + * Copyright 2006 Jamie Bullock and others + * + * This file incorporates code from the following sources: + * + * jack-dssi-host (BSD-style license): Copyright 2004 Chris Cannam, Steve Harris and Sean Bolton. + * + * Hexter (GPL license): Copyright (C) 2004 Sean Bolton and others. + * + * + * 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. +*/ + + + +/* TODO: + 1. Fix memory allocation issues. + 2. Restore Trivial Synth compatibility, i.e. is GUI fails, don't crash. - DONE! + 3. Reomve alsa.h dependency - Included header file! + 4. Get Hexter/Fluidsynth working - DONE! + 5. Get LTS working (full functionality i.e Pitch Bend, Control etc.) - DONE! + 6. Do OSC/GUI - DONE! + 7. Multiple instances -DONE! + 8. If OSC is received from another source - update the GUI. + 9. Patch saving/loading. -DONE (for Hexter)! + 10. Make GUI close when app closes, or new plugin loaded. -DONE! + 11. Make ll-scope work. + 12. Fix note hangs. - DONE - this was due to precedence problems in the PD patch! + 13. Fix inability to run two instances of the dssi~ external. - DONE! + 14. Fix exiting handler -DONE! + 15. Fix GUI close when PD quit - don't leave defunct process + 16. Fix free() call if plugin isn't loaded successfully -DONE! + 17. Implement GUI show/hide. -DONE! + 18. Fix segfault if dssi~ recieves on MIDI channel it doesn't have an instance for -DONE! + 19. Fix program crash when patch load if audio running. -DONE! + 20. Make info logged to pd console more meaningful + 21. Add more error checking. + 22. Fix: global polyphony handling - DONE! + 23. Fix: config malloc bugs + 24. Fix: exit call instance deactivate function - DONE! + 25. Check DSSI spec conformity! + 26. FIX: Why does is incorrect patch name chown when program is changed from GUI? - DONE! - query_programs must be sent for each configure call + 27. FIX: Generic valgrind error - also in jack-dssi-host. + */ + + +#include "dssi~.h" + + + +static t_class *dssi_tilde_class; + +/*From dx7_voice_data.c by Sean Bolton */ + +static char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + +/*From dx7_voice.h by Sean Bolton */ + +typedef struct _dx7_patch_t { + uint8_t data[128]; +} dx7_patch_t; + +typedef struct _dssi_instance { + + long currentBank; + long currentProgram; + int pendingBankLSB; + int pendingBankMSB; + int pendingProgramChange; + + int plugin_ProgramCount; + DSSI_Program_Descriptor *pluginPrograms; + + lo_address uiTarget; /*osc stuff */ + int ui_hidden; + int ui_show; + int uiNeedsProgramUpdate; + char *ui_osc_control_path; + char *ui_osc_configure_path; + char *ui_osc_program_path; + char *ui_osc_show_path; + char *ui_osc_hide_path; + + int *plugin_PortControlInNumbers; /*not sure if this should go here?*/ + + char *osc_url_path; + pid_t gui_pid; + +} t_dssi_instance; + +typedef struct _dssi_tilde { + t_object x_obj; + char *dll_path;/*abs path to plugin*/ + void *dll_handle; + char *dir; /* project dircetory */ + LADSPA_Handle *instanceHandles; /*was handle*/ + t_dssi_instance *instances; + int n_instances; + unsigned long *instanceEventCounts; + snd_seq_event_t **instanceEventBuffers; + +snd_seq_event_t midiEventBuf[EVENT_BUFSIZE]; +/*static snd_seq_event_t **instanceEventBuffers;*/ +int bufWriteIndex, bufReadIndex; +pthread_mutex_t midiEventBufferMutex; +/*static pthread_mutex_t listHandlerMutex = PTHREAD_MUTEX_INITIALIZER;*/ + + DSSI_Descriptor_Function desc_func; + const DSSI_Descriptor *descriptor; + + t_int ports_in, ports_out, ports_controlIn, ports_controlOut; + t_int plugin_ins;/* total audio input ports for plugin*/ + t_int plugin_outs;/* total audio output ports plugin*/ + t_int plugin_controlIns;/* total control input ports*/ + t_int plugin_controlOuts;/* total control output ports */ + + unsigned long *plugin_ControlInPortNumbers; /*Array of input port numbers for the plugin */ + + t_float **plugin_InputBuffers, **plugin_OutputBuffers; /* arrays of arrays for buffering audio for each audio port */ + t_float *plugin_ControlDataInput, *plugin_ControlDataOutput; /*arrays for control data for each port (1 item per 'run')*/ + lo_server_thread osc_thread; + char *osc_url_base; + char *dll_name; + + t_int time_ref; /*logical time reference */ + t_int sr; + t_float sr_inv; + t_int blksize; + t_float f; + + t_float **outlets; + +} t_dssi_tilde; + +static void dssi_load_gui(t_dssi_tilde *x, int instance); + +static int osc_message_handler(const char *path, const char *types, + lo_arg **argv, int argc, void *data, void *user_data); +static LADSPA_Data get_port_default(t_dssi_tilde *x, int port); +static void MIDIbuf(int type, int chan, int param, int val, t_dssi_tilde *x); + + + +/*static void init_MidiEventBuf(snd_seq_event_t *MidiEventBuf){ + int i; + for(i = 0; i < EVENT_BUFSIZE; i++){ + MidiEventBuf[i].*/ + + +/* + * encode_7in6 +** Taken from gui_data.c by Sean Bolton ** + * + * encode a block of 7-bit data, in base64-ish style + */ +char * +encode_7in6(uint8_t *data, int length) +{ + char *buffer; + int in, reg, above, below, shift, out; + int outchars = (length * 7 + 5) / 6; + unsigned int sum = 0; + + if (!(buffer = (char *)malloc(25 + outchars))) + return NULL; + + out = snprintf(buffer, 12, "%d ", length); + + in = reg = above = below = 0; + while (outchars) { + if (above == 6) { + buffer[out] = base64[reg >> 7]; + reg &= 0x7f; + above = 0; + out++; + outchars--; + } + if (below == 0) { + if (in < length) { + reg |= data[in] & 0x7f; + sum += data[in]; + } + below = 7; + in++; + } + shift = 6 - above; + if (below < shift) shift = below; + reg <<= shift; + above += shift; + below -= shift; + } + + snprintf(buffer + out, 12, " %d", sum); + + return buffer; +} + + + + +static void dssi_load(char *dll_path, void **dll_handle){ + + *dll_handle = dlopen(dll_path, RTLD_NOW); + if (*dll_handle){ + post("%s loaded successfully", dll_path); + } + else + post("Failed: %s", dlerror()); + +} + +static void portInfo(t_dssi_tilde *x){ + t_int i; + for (i = 0; i < (t_int)x->descriptor->LADSPA_Plugin->PortCount; i++) { + LADSPA_PortDescriptor pod = + x->descriptor->LADSPA_Plugin->PortDescriptors[i]; +#if DEBUG + post("Port %d: %s", i, x->descriptor->LADSPA_Plugin->PortNames[i]); +#endif + if (LADSPA_IS_PORT_AUDIO(pod)) { + if (LADSPA_IS_PORT_INPUT(pod)) ++x->plugin_ins; + else if (LADSPA_IS_PORT_OUTPUT(pod)) ++x->plugin_outs; + } + else if (LADSPA_IS_PORT_CONTROL(pod)) { + if (LADSPA_IS_PORT_INPUT(pod)) ++x->plugin_controlIns; + else if (LADSPA_IS_PORT_OUTPUT(pod)) ++x->plugin_controlOuts; + } + } +#if DEBUG +post("%d inputs, %d outputs, %d control inputs, %d control outs", x->plugin_ins, x->plugin_outs, x->plugin_controlIns, x->plugin_controlOuts); +#endif +} + +static void dssi_assignPorts(t_dssi_tilde *x){ + int i; + +#if DEBUG + post("%d instances", x->n_instances); +#endif + + x->plugin_ins *= x->n_instances; + x->plugin_outs *= x->n_instances; + x->plugin_controlIns *= x->n_instances; + x->plugin_controlOuts *= x->n_instances; + +#if DEBUG + post("%d plugin outs", x->plugin_outs); +#endif + + x->plugin_InputBuffers = + (float **)malloc(x->plugin_ins * sizeof(float *)); + x->plugin_OutputBuffers = + (float **)malloc(x->plugin_outs * sizeof(float *)); + x->plugin_ControlDataInput = + (float *)calloc(x->plugin_controlIns, sizeof(float)); + x->plugin_ControlDataOutput = + (float *)calloc(x->plugin_controlOuts, sizeof(float)); + for(i = 0; i < x->plugin_ins; i++) + x->plugin_InputBuffers[i] = + (float *)calloc(x->blksize, sizeof(float)); + for(i = 0; i < x->plugin_outs; i++) + x->plugin_OutputBuffers[i] = + (float *)calloc(x->blksize, sizeof(float)); + x->instanceEventBuffers = + (snd_seq_event_t **)malloc(x->n_instances * sizeof(snd_seq_event_t *)); + + + x->instanceHandles = (LADSPA_Handle *)malloc(x->n_instances * + sizeof(LADSPA_Handle)); + x->instanceEventCounts = (unsigned long *)malloc(x->n_instances * + sizeof(unsigned long)); + + for(i = 0; i < x->n_instances; i++){ + x->instanceEventBuffers[i] = (snd_seq_event_t *)malloc(EVENT_BUFSIZE * + sizeof(snd_seq_event_t)); + + x->instances[i].plugin_PortControlInNumbers = + (int *)malloc(x->descriptor->LADSPA_Plugin->PortCount * + sizeof(int));/* hmmm... as we don't support instances of differing plugin types, we probably don't need to do this dynamically*/ + } + + x->plugin_ControlInPortNumbers = + (unsigned long *)malloc(sizeof(unsigned long) * x->plugin_controlIns); + +#if DEBUG + post("Buffers assigned!"); +#endif + +} + +static void dssi_init(t_dssi_tilde *x, t_int instance){ + + x->instances[instance].pluginPrograms = NULL; + x->instances[instance].currentBank = 0; + x->instances[instance].currentProgram = 0; + x->instances[instance].uiTarget = NULL; + x->instances[instance].ui_osc_control_path = NULL; + x->instances[instance].ui_osc_program_path = NULL; + x->instances[instance].ui_osc_show_path = NULL; + x->instances[instance].ui_osc_hide_path = NULL; + x->instances[instance].ui_osc_configure_path = NULL; + x->instances[instance].uiNeedsProgramUpdate = 0; + x->instances[instance].pendingProgramChange = -1; + x->instances[instance].pendingBankMSB = -1; + x->instances[instance].pendingBankLSB = -1; + x->instances[instance].ui_hidden = 1; + x->instances[instance].ui_show = 0; +#if DEBUG + post("Instance %d initialized!", instance); +#endif + + +} + +static void dssi_connectPorts(t_dssi_tilde *x, t_int instance){ + + t_int i; + + for(i = 0; i < (t_int)x->descriptor->LADSPA_Plugin->PortCount; i++){ +#if DEBUG + post("PortCount: %d of %d", i, + x->descriptor->LADSPA_Plugin->PortCount); +#endif + LADSPA_PortDescriptor pod = + x->descriptor->LADSPA_Plugin->PortDescriptors[i]; + + x->instances[instance].plugin_PortControlInNumbers[i] = -1; + + if (LADSPA_IS_PORT_AUDIO(pod)) { + if (LADSPA_IS_PORT_INPUT(pod)) { + x->descriptor->LADSPA_Plugin->connect_port + (x->instanceHandles[instance], i, + x->plugin_InputBuffers[x->ports_in++]); + } + else if (LADSPA_IS_PORT_OUTPUT(pod)) { + x->descriptor->LADSPA_Plugin->connect_port + (x->instanceHandles[instance], i, + x->plugin_OutputBuffers[x->ports_out++]); +#if DEBUG + post("Outport port %d connected", x->ports_out); +#endif + } + } + else if (LADSPA_IS_PORT_CONTROL(pod)) { + if (LADSPA_IS_PORT_INPUT(pod)) { + x->plugin_ControlInPortNumbers[x->ports_controlIn] = (unsigned long) i; + x->instances[instance].plugin_PortControlInNumbers[i] = x->ports_controlIn; + x->plugin_ControlDataInput[x->ports_controlIn] = + (t_float) get_port_default(x, i); +#if DEBUG + post("default for port %d, controlIn, %d is %.2f",i, + x->ports_controlIn, x->plugin_ControlDataInput[x->ports_controlIn]); +#endif + + x->descriptor->LADSPA_Plugin->connect_port + (x->instanceHandles[instance], i, + &x->plugin_ControlDataInput[x->ports_controlIn++]); + + } else if (LADSPA_IS_PORT_OUTPUT(pod)) { + x->descriptor->LADSPA_Plugin->connect_port + (x->instanceHandles[instance], i, + &x->plugin_ControlDataOutput[x->ports_controlOut++]); + } + } + } + +#if DEBUG +post("ports connected!"); +#endif + +} + +static void dssi_activate(t_dssi_tilde *x, t_int instance){ + + x->descriptor->LADSPA_Plugin->activate(x->instanceHandles[instance]); +#if DEBUG + post("plugin activated!"); +#endif +} + +static void osc_error(int num, const char *msg, const char *where) +{ + post("osc error %d in path %s: %s\n",num, where, msg); +} + +static void query_programs(t_dssi_tilde *x, t_int instance) { + int i; +#if DEBUG +post("querying programs"); +#endif + /* free old lot */ + if (x->instances[instance].pluginPrograms) { + for (i = 0; i < x->instances[instance].plugin_ProgramCount; i++) + free((void *)x->instances[instance].pluginPrograms[i].Name); + x->instances[instance].pluginPrograms = NULL; + x->instances[instance].plugin_ProgramCount = 0; + } + + x->instances[instance].pendingBankLSB = -1; + x->instances[instance].pendingBankMSB = -1; + x->instances[instance].pendingProgramChange = -1; + + if (x->descriptor->get_program && + x->descriptor->select_program) { + + /* Count the plugins first */ + for (i = 0; x->descriptor-> + get_program(x->instanceHandles[instance], i); ++i); + + if (i > 0) { + x->instances[instance].plugin_ProgramCount = i; + x->instances[instance].pluginPrograms = + (DSSI_Program_Descriptor *)malloc(i * sizeof(DSSI_Program_Descriptor)); + while (i > 0) { + const DSSI_Program_Descriptor *descriptor; + --i; + descriptor = x->descriptor-> + get_program(x->instanceHandles[instance], i); + x->instances[instance].pluginPrograms[i].Bank = + descriptor->Bank; + x->instances[instance].pluginPrograms[i].Program = + descriptor->Program; + x->instances[instance].pluginPrograms[i].Name = + strdup(descriptor->Name); +#if DEBUG + post("program %d is MIDI bank %lu program %lu, named '%s'",i, + x->instances[instance].pluginPrograms[i].Bank, + x->instances[instance].pluginPrograms[i].Program, + x->instances[instance].pluginPrograms[i].Name); +#endif + } + } + } +} + +static LADSPA_Data get_port_default(t_dssi_tilde *x, int port) +{ + LADSPA_Descriptor *plugin = (LADSPA_Descriptor *)x->descriptor->LADSPA_Plugin; + LADSPA_PortRangeHint hint = plugin->PortRangeHints[port]; + float lower = hint.LowerBound * + (LADSPA_IS_HINT_SAMPLE_RATE(hint.HintDescriptor) ? x->sr : 1.0f); + float upper = hint.UpperBound * + (LADSPA_IS_HINT_SAMPLE_RATE(hint.HintDescriptor) ? x->sr : 1.0f); + + if (!LADSPA_IS_HINT_HAS_DEFAULT(hint.HintDescriptor)) { + if (!LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor) || + !LADSPA_IS_HINT_BOUNDED_ABOVE(hint.HintDescriptor)) { + /* No hint, its not bounded, wild guess */ + return 0.0f; + } + + if (lower <= 0.0f && upper >= 0.0f) { + /* It spans 0.0, 0.0 is often a good guess */ + return 0.0f; + } + + /* No clues, return minimum */ + return lower; + } + + /* Try all the easy ones */ + + if (LADSPA_IS_HINT_DEFAULT_0(hint.HintDescriptor)) { + return 0.0f; + } else if (LADSPA_IS_HINT_DEFAULT_1(hint.HintDescriptor)) { + return 1.0f; + } else if (LADSPA_IS_HINT_DEFAULT_100(hint.HintDescriptor)) { + return 100.0f; + } else if (LADSPA_IS_HINT_DEFAULT_440(hint.HintDescriptor)) { + return 440.0f; + } + + /* All the others require some bounds */ + + if (LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor)) { + if (LADSPA_IS_HINT_DEFAULT_MINIMUM(hint.HintDescriptor)) { + return lower; + } + } + if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint.HintDescriptor)) { + if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(hint.HintDescriptor)) { + return upper; + } + if (LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor)) { + if (LADSPA_IS_HINT_DEFAULT_LOW(hint.HintDescriptor)) { + return lower * 0.75f + upper * 0.25f; + } else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(hint.HintDescriptor)) { + return lower * 0.5f + upper * 0.5f; + } else if (LADSPA_IS_HINT_DEFAULT_HIGH(hint.HintDescriptor)) { + return lower * 0.25f + upper * 0.75f; + } + } + } + + /* fallback */ + return 0.0f; +} + + + +static int osc_debug_handler(const char *path, const char *types, lo_arg **argv, + int argc, void *data, t_dssi_tilde *x) +{ + int i; + printf("got unhandled OSC message:\npath: <%s>\n", path); + for (i=0; i<argc; i++) { + printf("arg %d '%c' ", i, types[i]); + lo_arg_pp(types[i], argv[i]); + printf("\n"); + } + return 1; +} + +static void dssi_ProgramChange(t_dssi_tilde *x, int instance){ +/* jack-dssi-host queues program changes by using pending program change variables. In the audio callback, if a program change is received via MIDI it over writes the pending value (if any) set by the GUI. If unset, or processed the value will default back to -1. The following call to select_program is then made. I don't think it eventually needs to be done this way - i.e. do we need 'pending'? */ +#if DEBUG + post("executing program change"); +#endif + if (x->instances[instance].pendingProgramChange >= 0){ + if (x->instances[instance].pendingBankLSB >= 0) { + if (x->instances[instance].pendingBankMSB >= 0) { + x->instances[instance].currentBank = x->instances[instance].pendingBankLSB + 128 * x->instances[instance].pendingBankMSB; + } + else { + x->instances[instance].currentBank = x->instances[instance].pendingBankLSB + + 128 * (x->instances[instance].currentBank / 128); + } + } + else if (x->instances[instance].pendingBankMSB >= 0) { + x->instances[instance].currentBank = (x->instances[instance].currentBank % 128) + 128 * x->instances[instance].pendingBankMSB; + } + + x->instances[instance].currentProgram = x->instances[instance].pendingProgramChange; + + if (x->descriptor->select_program) { + x->descriptor->select_program(x->instanceHandles[instance], + x->instances[instance].currentBank, x->instances[instance].currentProgram); + } + if (x->instances[instance].uiNeedsProgramUpdate){ +#if DEBUG + post("Updating GUI program"); +#endif + lo_send(x->instances[instance].uiTarget, + x->instances[instance].ui_osc_program_path, "ii", + x->instances[instance].currentBank, + x->instances[instance].currentProgram); + } + x->instances[instance].uiNeedsProgramUpdate = 0; + x->instances[instance].pendingProgramChange = -1; + x->instances[instance].pendingBankMSB = -1; + x->instances[instance].pendingBankLSB = -1; + } +} + +static int osc_program_handler(t_dssi_tilde *x, lo_arg **argv, int instance) +{ + unsigned long bank = argv[0]->i; + unsigned long program = argv[1]->i; + int i; + int found = 0; + +#if DEBUG +post("osc_program_hander active!"); + +post("%d programs", x->instances[instance].plugin_ProgramCount); + +#endif + for (i = 0; i < x->instances[instance].plugin_ProgramCount; ++i) { + if (x->instances[instance].pluginPrograms[i].Bank == bank && + x->instances[instance].pluginPrograms[i].Program == program) { + post("OSC: setting bank %u, program %u, name %s\n", + bank, program, x->instances[instance].pluginPrograms[i].Name); + + found = 1; + break; + } + } + + if (!found) { + printf(": OSC: UI requested unknown program: bank %d, program %u: sending to plugin anyway (plugin should ignore it)\n", (int)bank,(int)program); + } + + x->instances[instance].pendingBankMSB = bank / 128; + x->instances[instance].pendingBankLSB = bank % 128; + x->instances[instance].pendingProgramChange = program; +#if DEBUG + post("bank = %d, program = %d, BankMSB = %d BankLSB = %d", bank, program, x->instances[instance].pendingBankMSB, x->instances[instance].pendingBankLSB); +#endif + dssi_ProgramChange(x, instance); + + return 0; +} + + +static int osc_control_handler(t_dssi_tilde *x, lo_arg **argv, int instance) +{ + int port = argv[0]->i; + LADSPA_Data value = argv[1]->f; + + x->plugin_ControlDataInput[x->instances[instance].plugin_PortControlInNumbers[port]] = value; +#if DEBUG + post("OSC: port %d = %f", port, value); +#endif + + return 0; +} + +static int osc_midi_handler(t_dssi_tilde *x, lo_arg **argv, t_int instance) +{ + + int ev_type = 0, chan = 0; +/* div_t divstruct; *//*division strucutre for integer division*/ +#if DEBUG + post("OSC: got midi request for" + "(%02x %02x %02x %02x)", + argv[0]->m[0], argv[0]->m[1], argv[0]->m[2], argv[0]->m[3]); +#endif +/* divstruct = div(argv[0]->m[1], 16); + chan = divstruct.rem + 1; */ /*Wrong! the GUI's all use channel 0 */ + chan = instance; +#if DEBUG + post("channel: %d", chan); +#endif + + if(argv[0]->m[1] <= 239){ + if(argv[0]->m[1] >= 224) + ev_type = SND_SEQ_EVENT_PITCHBEND; + else if(argv[0]->m[1] >= 208) + ev_type = SND_SEQ_EVENT_CHANPRESS; + else if(argv[0]->m[1] >= 192) + ev_type = SND_SEQ_EVENT_PGMCHANGE; + else if(argv[0]->m[1] >= 176) + ev_type = SND_SEQ_EVENT_CONTROLLER; + else if(argv[0]->m[1] >= 160) + ev_type = SND_SEQ_EVENT_KEYPRESS; + else if(argv[0]->m[1] >= 144) + ev_type = SND_SEQ_EVENT_NOTEON; + else if(argv[0]->m[1] >= 128) + ev_type = SND_SEQ_EVENT_NOTEOFF; + } + if(ev_type != 0) + MIDIbuf(ev_type, chan, argv[0]->m[2], argv[0]->m[3], x); + + return 0; +} + +static int osc_configure_handler(t_dssi_tilde *x, lo_arg **argv, int instance) +{ + const char *key = (const char *)&argv[0]->s; + const char *value = (const char *)&argv[1]->s; + char *message; + +#if DEBUG + post("osc_configure_handler active!"); +#endif + + if (x->descriptor->configure) { + + if (!strncmp(key, DSSI_RESERVED_CONFIGURE_PREFIX, + strlen(DSSI_RESERVED_CONFIGURE_PREFIX))) { + fprintf(stderr, ": OSC: UI for plugin '' attempted to use reserved configure key \"%s\", ignoring\n", key); + return 0; + } + + message = x->descriptor->configure(x->instanceHandles[instance], key, value); + if (message) { + printf(": on configure '%s', plugin '' returned error '%s'\n", + key, message); + free(message); + } + + query_programs(x, instance); + + } + + + return 0; +} + + + + + +static int osc_exiting_handler(t_dssi_tilde *x, lo_arg **argv, int instance){ + +#if DEBUG + post("exiting handler called: Freeing ui_osc"); +#endif + lo_address_free(x->instances[instance].uiTarget); + free(x->instances[instance].ui_osc_control_path); + free(x->instances[instance].ui_osc_configure_path); + free(x->instances[instance].ui_osc_hide_path); + free(x->instances[instance].ui_osc_program_path); + free(x->instances[instance].ui_osc_show_path); + x->instances[instance].uiTarget = NULL; + x->instances[instance].ui_osc_control_path = NULL; + x->instances[instance].ui_osc_configure_path = NULL; + x->instances[instance].ui_osc_hide_path = NULL; + x->instances[instance].ui_osc_program_path = NULL; + x->instances[instance].ui_osc_show_path = NULL; + + x->instances[instance].ui_hidden = 1; + + return 0; +} + +static int osc_update_handler(t_dssi_tilde *x, lo_arg **argv, int instance) +{ + const char *url = (char *)&argv[0]->s; + const char *path; + t_int i; + char *host, *port; + +#if DEBUG + post("OSC: got update request from <%s>, instance %d", url, instance); +#endif + + + if (x->instances[instance].uiTarget) + lo_address_free(x->instances[instance].uiTarget); + host = lo_url_get_hostname(url); + port = lo_url_get_port(url); + x->instances[instance].uiTarget = lo_address_new(host, port); + free(host); + free(port); + + path = lo_url_get_path(url); + + if (x->instances[instance].ui_osc_control_path) + free(x->instances[instance].ui_osc_control_path); + x->instances[instance].ui_osc_control_path = + (char *)malloc(strlen(path) + 10); + sprintf(x->instances[instance].ui_osc_control_path, "%s/control", path); + + if (x->instances[instance].ui_osc_configure_path) + free(x->instances[instance].ui_osc_configure_path); + x->instances[instance].ui_osc_configure_path = + (char *)malloc(strlen(path) + 12); + sprintf(x->instances[instance].ui_osc_configure_path, "%s/configure", path); + + if (x->instances[instance].ui_osc_program_path) + free(x->instances[instance].ui_osc_program_path); + x->instances[instance].ui_osc_program_path = + (char *)malloc(strlen(path) + 10); + sprintf(x->instances[instance].ui_osc_program_path, "%s/program", path); + + if (x->instances[instance].ui_osc_show_path) + free(x->instances[instance].ui_osc_show_path); + x->instances[instance].ui_osc_show_path = (char *)malloc(strlen(path) + 10); + sprintf(x->instances[instance].ui_osc_show_path, "%s/show", path); + + if (x->instances[instance].ui_osc_hide_path) + free(x->instances[instance].ui_osc_hide_path); + x->instances[instance].ui_osc_hide_path = (char *)malloc(strlen(path) + 10); + sprintf(x->instances[instance].ui_osc_hide_path, "%s/hide", path); + + free((char *)path); + + /* At this point a more substantial host might also call + * configure() on the UI to set any state that it had remembered + * for the plugin x. But we don't remember state for + * plugin xs (see our own configure() implementation in + * osc_configure_handler), and so we have nothing to send except + * the optional project directory. */ + + if (x->dir) + lo_send(x->instances[instance].uiTarget, x->instances[instance].ui_osc_configure_path, "ss",DSSI_PROJECT_DIRECTORY_KEY, x->dir); + + + /* Send current bank/program (-FIX- another race...) */ + if (x->instances[instance].pendingProgramChange >= 0) + dssi_ProgramChange(x, instance); +#if DEBUG + post("pendingProgramChange = %d", x->instances[instance].pendingProgramChange); +#endif + if (x->instances[instance].pendingProgramChange < 0) { + unsigned long bank = x->instances[instance].currentBank; + unsigned long program = x->instances[instance].currentProgram; + x->instances[instance].uiNeedsProgramUpdate = 0; + if (x->instances[instance].uiTarget) { + lo_send(x->instances[instance].uiTarget, + x->instances[instance].ui_osc_program_path, + "ii", bank, program); + } + } + + /* Send control ports */ + for (i = 0; i < x->plugin_controlIns; i++) { + lo_send(x->instances[instance].uiTarget, x->instances[instance].ui_osc_control_path, "if", + x->plugin_ControlInPortNumbers[i], x->plugin_ControlDataInput[i]); +#if DEBUG + post("Port: %d, Default value: %.2f", x->plugin_ControlInPortNumbers[i], x->plugin_ControlDataInput[i]); +#endif + } + +/* Send 'show' */ + if (x->instances[instance].ui_show) { + lo_send(x->instances[instance].uiTarget, x->instances[instance].ui_osc_show_path, ""); + x->instances[instance].ui_hidden = 0; + x->instances[instance].ui_show = 0; + } + + + + return 0; +} + +static void dssi_osc_setup(t_dssi_tilde *x, int instance){ + + if(instance == 0){ + x->osc_thread = lo_server_thread_new(NULL, osc_error); + char *osc_url_tmp; + osc_url_tmp = lo_server_thread_get_url(x->osc_thread); +#if DEBUG + post("string length of osc_url_tmp:%d", strlen(osc_url_tmp)); +#endif + x->osc_url_base = (char *)malloc(sizeof(char) + * (strlen(osc_url_tmp) + strlen("dssi") + 1)); + sprintf(x->osc_url_base, "%s%s", osc_url_tmp, "dssi"); + free(osc_url_tmp); + lo_server_thread_add_method(x->osc_thread, NULL, NULL, + osc_message_handler, x); + lo_server_thread_start(x->osc_thread); + } + x->instances[instance].osc_url_path = (char *)malloc(sizeof(char) * + (strlen(x->dll_name) + strlen(x->descriptor->LADSPA_Plugin->Label) + strlen("chan00") + 3)); + sprintf(x->instances[instance].osc_url_path, "%s/%s/chan%02d", x->dll_name, + x->descriptor->LADSPA_Plugin->Label, instance); +#if DEBUG +post("OSC Path is: %s", x->instances[instance].osc_url_path); + post("OSC thread started: %s", x->osc_url_base); +#endif +} + +static void dssi_programs(t_dssi_tilde *x, int instance){ + +#if DEBUG + post("Setting up program data"); +#endif + query_programs(x, instance); + if (x->descriptor->select_program && + x->instances[instance].plugin_ProgramCount > 0) { + + /* select program at index 0 */ + unsigned long bank = + x->instances[instance].pluginPrograms[0].Bank; + x->instances[instance].pendingBankMSB = bank / 128; + x->instances[instance].pendingBankLSB = bank % 128; + x->instances[instance].pendingProgramChange = + x->instances[instance].pluginPrograms[0].Program; + x->instances[instance].uiNeedsProgramUpdate = 1; + } +} + +static void dssi_load_gui(t_dssi_tilde *x, int instance){ + t_int err = 0; + char *osc_url; + char *gui_path; + struct dirent *dir_entry = NULL; + char *gui_base; + size_t baselen; + DIR *dp; + char *gui_str; + + gui_base = (char *)malloc(baselen = sizeof(char) * (strlen(x->dll_path) - strlen(".so"))); + + strncpy(gui_base, x->dll_path, baselen); +/* gui_base = strndup(x->dll_path, baselen);*/ +#if DEBUG +post("gui_base: %s", gui_base); +#endif + + gui_str = (char *)malloc(sizeof(char) * (strlen("channel 00") + 1)); + sprintf (gui_str,"channel %02d", instance); + +#if DEBUG + post("GUI name string, %s", gui_str); +#endif + + if(!(dp = opendir(gui_base))){ + post("can't open %s, unable to find GUI", gui_base); + return; + } + else { + while((dir_entry = readdir(dp))){ + if (dir_entry->d_name[0] == '.') continue; + break; + } +#if DEBUG + post("GUI filename: %s", dir_entry->d_name); +#endif + + } + + gui_path = (char *)malloc(sizeof(char) * (strlen(gui_base) + strlen("/") + + strlen(dir_entry->d_name) + 1)); + + + sprintf(gui_path, "%s/%s", gui_base, dir_entry->d_name); + + free(gui_base); +#if DEBUG + post("gui_path: %s", gui_path); +#endif + + osc_url = (char *)malloc + (sizeof(char) * (strlen(x->osc_url_base) + + strlen(x->instances[instance].osc_url_path) + 2)); + + + + + +/* char osc_url[1024];*/ + sprintf(osc_url, "%s/%s", x->osc_url_base, + x->instances[instance].osc_url_path); + post("Instance %d OSC URL is: %s",instance, osc_url); +#if DEBUG + post("Trying to open GUI!"); +#endif + x->instances[instance].gui_pid = fork(); + if (x->instances[instance].gui_pid == 0){ + err = execlp(gui_path, gui_path, osc_url, dir_entry->d_name, + x->descriptor->LADSPA_Plugin->Label, gui_str, NULL); + perror("exec failed"); + exit(1); /* terminates the process */ + } + +#if DEBUG +post("errorcode = %d", err); +#endif + + free(gui_path); + free(osc_url); + free(gui_str); + if(dp){ + +#if DEBUG + post("directory handle closed = %d", closedir(dp)); +#endif + } +} + +static void MIDIbuf(int type, int chan, int param, int val, t_dssi_tilde *x){ + + + if(chan > x->n_instances - 1 || chan < 0){ + post("Note discarded: MIDI data is destined for a channel that doesn't exist"); + return; + } + + + t_int time_ref = x->time_ref; + +pthread_mutex_lock(&x->midiEventBufferMutex); + + x->midiEventBuf[x->bufWriteIndex].time.time.tv_sec = + (t_int)(clock_gettimesince(time_ref) * .001); + x->midiEventBuf[x->bufWriteIndex].time.time.tv_nsec = + (t_int)(clock_gettimesince(time_ref) * 1000); /*actually usec - we can't store this in nsec! */ + + if ((type == SND_SEQ_EVENT_NOTEON && val != 0) || + type != SND_SEQ_EVENT_NOTEON) { + x->midiEventBuf[x->bufWriteIndex].type = type; + switch (type) { + case SND_SEQ_EVENT_NOTEON: + x->midiEventBuf[x->bufWriteIndex].data.note.channel = chan; + x->midiEventBuf[x->bufWriteIndex].data.note.note = param; + x->midiEventBuf[x->bufWriteIndex].data.note.velocity = val; + break; + case SND_SEQ_EVENT_NOTEOFF: + x->midiEventBuf[x->bufWriteIndex].data.note.channel = chan; + x->midiEventBuf[x->bufWriteIndex].data.note.note = param; + x->midiEventBuf[x->bufWriteIndex].data.note.velocity = val; + break; + case SND_SEQ_EVENT_CONTROLLER: + x->midiEventBuf[x->bufWriteIndex].data.control.channel = chan; + x->midiEventBuf[x->bufWriteIndex].data.control.param = param; + x->midiEventBuf[x->bufWriteIndex].data.control.value = val; + break; + case SND_SEQ_EVENT_PITCHBEND: + x->midiEventBuf[x->bufWriteIndex].data.control.channel = chan; + x->midiEventBuf[x->bufWriteIndex].data.control.param = 0; + x->midiEventBuf[x->bufWriteIndex].data.control.value = val; + break; + case SND_SEQ_EVENT_PGMCHANGE: + x->instances[chan].pendingBankMSB = (param - 1) / 128; + x->instances[chan].pendingBankLSB = (param - 1) % 128; + x->instances[chan].pendingProgramChange = val; + x->instances[chan].uiNeedsProgramUpdate = 1; +#if DEBUG + post("pgm chabge received in buffer: MSB: %d, LSB %d, prog: %d", + x->instances[chan].pendingBankMSB, x->instances[chan].pendingBankLSB, val); +#endif + dssi_ProgramChange(x, chan); + break; + } + } + else if (type == SND_SEQ_EVENT_NOTEON && val == 0) { + x->midiEventBuf[x->bufWriteIndex].type = SND_SEQ_EVENT_NOTEOFF; + x->midiEventBuf[x->bufWriteIndex].data.note.channel = chan; + x->midiEventBuf[x->bufWriteIndex].data.note.note = param; + x->midiEventBuf[x->bufWriteIndex].data.note.velocity = val; + } + +#if DEBUG + post("MIDI received in buffer: chan %d, param %d, val %d", + chan, param, val); +#endif + x->bufWriteIndex = (x->bufWriteIndex + 1) % EVENT_BUFSIZE; + pthread_mutex_unlock(&x->midiEventBufferMutex); /**release mutex*/ +} + +static void dssi_show(t_dssi_tilde *x, t_int instance, t_int toggle){ + if(x->instances[instance].uiTarget){ + if (x->instances[instance].ui_hidden && toggle) { + lo_send(x->instances[instance].uiTarget, + x->instances[instance].ui_osc_show_path, ""); + x->instances[instance].ui_hidden = 0; + } + else if (!x->instances[instance].ui_hidden && !toggle) { + lo_send(x->instances[instance].uiTarget, + x->instances[instance].ui_osc_hide_path, ""); + x->instances[instance].ui_hidden = 1; + } + } + else if(toggle){ + x->instances[instance].ui_show = 1; + dssi_load_gui(x, instance); + } + /* if(x->instances[instance].uiTarget){ + lo_send(x->instances[instance].uiTarget, + x->instances[instance].ui_osc_show_path, ""); + x->instances[instance].ui_hidden = 0; + } + }*/ + +} + + +static void dssi_list(t_dssi_tilde *x, t_symbol *s, int argc, t_atom *argv) { + char *msg_type; + int ev_type = 0; + msg_type = (char *)malloc(TYPE_STRING_SIZE); + atom_string(argv, msg_type, TYPE_STRING_SIZE); + int chan = (int)atom_getfloatarg(1, argc, argv) - 1; + int param = (int)atom_getfloatarg(2, argc, argv); + int val = (int)atom_getfloatarg(3, argc, argv); + switch (msg_type[0]){ + case ASCII_n: ev_type = SND_SEQ_EVENT_NOTEON; + break; + case ASCII_c: ev_type = SND_SEQ_EVENT_CONTROLLER; + break; + case ASCII_p: ev_type = SND_SEQ_EVENT_PGMCHANGE; + break; + case ASCII_b: ev_type = SND_SEQ_EVENT_PITCHBEND; + break; + } +#if DEBUG + post("initial midi NOTE:, arg1 = %d, arg2 = %d, arg3 = %d, arg4 = %d",ev_type,chan,param,val); +#endif + if(ev_type != 0){ + MIDIbuf(ev_type, chan, param, val, x); + } + free(msg_type); +} + +/* Method for list data through right inlet */ +/*FIX: rewrite at some point - this is bad*/ +static t_int dssi_config(t_dssi_tilde *x, t_symbol *s, int argc, t_atom *argv) { + char *msg_type, *debug, *filename, *key, *value; + msg_type = (char *)malloc(TYPE_STRING_SIZE); + int instance = -1, pathlen, toggle; + int n_instances = x->n_instances; + int count, maxpatches; + t_float val; + long filelength = 0; + unsigned char *raw_patch_data = NULL; + FILE *fp; + size_t filename_length; + dx7_patch_t *patchbuf, *firstpatch; + atom_string(argv, msg_type, TYPE_STRING_SIZE); + debug = NULL; + key = NULL; + value = NULL; + maxpatches = 128; + patchbuf = malloc(32 * sizeof(dx7_patch_t)); + firstpatch = &patchbuf[0]; + val = 0; + + + /*FIX: Temporary - at the moment we always load the first 32 patches to 0 */ + if(strcmp(msg_type, "configure")){ + instance = (int)atom_getfloatarg(2, argc, argv) - 1; + + + + + +/* if(!strcmp(msg_type, "load") && x->descriptor->configure){ + filename = argv[1].a_w.w_symbol->s_name; + instance = (int)atom_getfloatarg(2, argc, argv) - 1; + post("loading patch: %s for instance %d", filename, instance); + if(instance == -1){ + while(n_instances--) + debug = + x->descriptor->configure( + x->instanceHandles[n_instances], "bank", filename); + + } + else{ + debug = x->descriptor->configure( + x->instanceHandles[instance], "bank", filename); + dssi_programs(x, instance); + lo_send(x->instances[instance].uiTarget, + x->instances[instance].ui_osc_program_path,"ii", 0,0); + x->instances[instance].uiNeedsProgramUpdate = 0; + x->instances[instance].pendingProgramChange = -1; + x->instances[instance].pendingBankMSB = -1; + x->instances[instance].pendingBankLSB = -1; + } + + } + +*/ + if(!strcmp(msg_type, "load") && x->descriptor->configure){ + filename = argv[1].a_w.w_symbol->s_name; + key = malloc(10 * sizeof(char)); /* holds "patchesN" */ + strcpy(key, "patches0"); + post("loading patch: %s for instance %d", filename, instance); + fp = fopen(filename, "rb"); + + /*From dx7_voice_data by Sean Bolton */ + if(fp == NULL){ + post("Unable to open patch file: %s", filename); + return 0; + } + if (fseek(fp, 0, SEEK_END) || + (filelength = ftell(fp)) == -1 || + fseek(fp, 0, SEEK_SET)) { + post("couldn't get length of patch file: %s", + filename); + fclose(fp); + return 0; + } + if (filelength == 0) { + post("patch file has zero length"); + fclose(fp); + return 0; + } else if (filelength > 16384) { + post("patch file is too large"); + fclose(fp); + return 0; + } + if (!(raw_patch_data = (unsigned char *)malloc(filelength))) { + post("couldn't allocate memory for raw patch file"); + fclose(fp); + return 0; + } + if (fread(raw_patch_data, 1, filelength, fp) + != (size_t)filelength) { + post("short read on patch file: %s", filename); + free(raw_patch_data); + fclose(fp); + return 0; + } + fclose(fp); + /* At the moment we only support Hexter patches */ + if(strcmp(x->descriptor->LADSPA_Plugin->Label, "hexter")) + post("Sorry dssi~ only supports dx7 patches at the moment."); + else{ + /* figure out what kind of file it is */ + filename_length = strlen(filename); + if (filename_length > 4 && + !strcmp(filename + filename_length - 4, ".dx7") && + filelength % DX7_VOICE_SIZE_PACKED == 0) { + /* It's a raw DX7 patch bank */ + + count = filelength / DX7_VOICE_SIZE_PACKED; + if (count > maxpatches) + count = maxpatches; + memcpy(firstpatch, raw_patch_data, count * + DX7_VOICE_SIZE_PACKED); + + } else if (filelength > 6 && + raw_patch_data[0] == 0xf0 && + raw_patch_data[1] == 0x43 && + (raw_patch_data[2] & 0xf0) == 0x00 && + raw_patch_data[3] == 0x09 && + (raw_patch_data[4] == 0x10 || + raw_patch_data[4] == 0x20) && + /* 0x10 is actual, 0x20 matches typo in manual */ + raw_patch_data[5] == 0x00) { + /* It's a DX7 sys-ex 32 voice dump */ + + if (filelength != DX7_DUMP_SIZE_BULK || + raw_patch_data[DX7_DUMP_SIZE_BULK - 1] != 0xf7) { + post("badly formatted DX7 32 voice dump!"); + count = 0; + +#ifdef CHECKSUM_PATCH_FILES_ON_LOAD + } else if (dx7_bulk_dump_checksum(&raw_patch_data[6], + DX7_VOICE_SIZE_PACKED * 32) != + raw_patch_data[DX7_DUMP_SIZE_BULK - 2]) { + + post("DX7 32 voice dump with bad checksum!"); + count = 0; + +#endif + } else { + + count = 32; + if (count > maxpatches) + count = maxpatches; + memcpy(firstpatch, raw_patch_data + 6, count * DX7_VOICE_SIZE_PACKED); + + } + } else { + + /* unsuccessful load */ + post("unknown patch bank file format!"); + count = 0; + + } + + free(raw_patch_data); +/* return count;*/ + + if(count == 32) + value = encode_7in6((uint8_t *)&patchbuf[0].data[0], + count * DX7_VOICE_SIZE_PACKED); + /* post("value = %s", value); */ + +/*FIX: make this generic do key value pairs in one go at end of dssi_config after they have been determined */ + + + + } + } + /*FIX: tidy up */ + if(!strcmp(msg_type, "dir") && x->descriptor->configure){ + /* if(x->dir) + free(x->dir); *//*Should never happen */ + pathlen = strlen(argv[1].a_w.w_symbol->s_name) + 2; + x->dir = malloc((pathlen) * sizeof(char)); + atom_string(&argv[1], x->dir, pathlen); + /* instance = (int)atom_getfloatarg(2, argc, argv) - 1;*/ + post("Project directory for instance %d has been set to: %s", instance, x->dir); + key = DSSI_PROJECT_DIRECTORY_KEY; + value = x->dir; + } + /* if(x->instances[instance].uiTarget) + post("uiTarget: %s",x->instances[instance].uiTarget); + if(x->instances[instance].ui_osc_configure_path) + post("osc_config_path: %s",x->instances[instance].ui_osc_configure_path); +*//* lo_send(x->instances[instance].uiTarget, + x->instances[instance].ui_osc_configure_path, + "ss", DSSI_PROJECT_DIRECTORY_KEY, path); +*/ + + + else if(!strcmp(msg_type, "dir")) + post("%s %s: operation not supported", msg_type, + argv[1].a_w.w_symbol->s_name); + + if(!strcmp(msg_type, "show") || !strcmp(msg_type, "hide")){ + instance = (int)atom_getfloatarg(1, argc, argv) - 1; + if(!strcmp(msg_type, "show")) + toggle = 1; + else + toggle = 0; + + if(instance == -1){ + while(n_instances--) + dssi_show(x, n_instances, toggle); + } + else + dssi_show(x, instance, toggle); + } + if(!strcmp(msg_type, "reset")){ + instance = (int)atom_getfloatarg(1, argc, argv) - 1; + if (instance == -1){ + for(instance = 0; instance < x->n_instances; instance++) { + if (x->descriptor->LADSPA_Plugin->deactivate && + x->descriptor->LADSPA_Plugin->activate){ + x->descriptor->LADSPA_Plugin->deactivate + (x->instanceHandles[instance]); + x->descriptor->LADSPA_Plugin->activate + (x->instanceHandles[instance]); + } + } + } + else if (x->descriptor->LADSPA_Plugin->deactivate && + x->descriptor->LADSPA_Plugin->activate) { + x->descriptor->LADSPA_Plugin->deactivate + (x->instanceHandles[instance]); + x->descriptor->LADSPA_Plugin->activate + (x->instanceHandles[instance]); + } + } + } + + + + /*Use this to send arbitrary configure message to plugin */ + else if(!strcmp(msg_type, "configure")){ + key = + malloc(strlen(argv[1].a_w.w_symbol->s_name) * sizeof(char)); + atom_string(&argv[1], key, TYPE_STRING_SIZE); + + if (argv[2].a_type == A_FLOAT){ + val = atom_getfloatarg(2, argc, argv); + value = malloc(TYPE_STRING_SIZE * sizeof(char)); + sprintf(value, "%.2f", val); + } + else if(argv[2].a_type == A_SYMBOL){ + value = + malloc(strlen(argv[2].a_w.w_symbol->s_name) * + sizeof(char)); + atom_string(&argv[2], value, TYPE_STRING_SIZE); + } + if(argv[3].a_type == A_FLOAT) + instance = atom_getfloatarg(3, argc, argv) - 1; + /* else if(argv[3].a_type == A_SYMBOL) + post("Argument 4 should be an integer!"); + */ + } + + if(key != NULL && value != NULL){ + if(instance == -1){ + while(n_instances--){ + debug = + x->descriptor->configure( + x->instanceHandles[n_instances], + key, value); + /*FIX - sort out 'pending' system so that new GUI's for instances get updated */ + if(x->instances[n_instances].uiTarget != NULL){ + /* if(!strcmp(msg_type, "load"))*/ + lo_send(x->instances[n_instances].uiTarget, x->instances[n_instances].ui_osc_configure_path, "ss", key, value); + query_programs(x, n_instances); + /*FIX: better way to do this - OSC handler?*/ + } + } + } + /*FIX: Put some error checking in here to make sure instance is valid*/ + else{ + debug = + x->descriptor->configure( + x->instanceHandles[instance], + key, value); + /* if(!strcmp(msg_type, "load"))*/ + if(x->instances[n_instances].uiTarget != NULL) + lo_send(x->instances[instance].uiTarget, + x->instances[instance].ui_osc_configure_path, + "ss", key, value); + query_programs(x, instance); + } + } +#if DEBUG + post("The plugin returned %s", debug); +#endif +/* if(debug != NULL) + free(debug);*/ +free(msg_type); +free(patchbuf); +free(value); + +if(key != NULL) + free(key); +if(x->dir != NULL) + free(x->dir); +return 0; + +} + +static void dssi_bang(t_dssi_tilde *x) +{ + post("Running instances of %s", x->descriptor->LADSPA_Plugin->Label); +} + +static t_int *dssi_tilde_perform(t_int *w) +{ + int N = (int)(w[1]); + t_dssi_tilde *x = (t_dssi_tilde *)(w[2]); + int i, n, timediff, framediff, instance = 0; + + /*FIX -hmmm do we need this */ + if(x->n_instances){ + for (i = 0; i < x->n_instances; i++) + x->instanceEventCounts[i] = 0; + + /*Instances = (LADSPA_Handle *)malloc(sizeof(LADSPA_Handle));*/ + + for (;x->bufReadIndex != x->bufWriteIndex; x->bufReadIndex = + (x->bufReadIndex + 1) % EVENT_BUFSIZE) { + + instance = x->midiEventBuf[x->bufReadIndex].data.note.channel; + /*This should never happen, but check anyway*/ + if(instance > x->n_instances || instance < 0){ + post("%s: discarding spurious MIDI data, for instance %d", x->descriptor->LADSPA_Plugin->Label, instance); +#if DEBUG + post("n_instances = %d", x->n_instances); +#endif + continue; + } + + if (x->instanceEventCounts[instance] == EVENT_BUFSIZE){ + post("MIDI overflow on channel %d", instance); + continue; + } + + timediff = (t_int)(clock_gettimesince(x->time_ref) * 1000) - + x->midiEventBuf[x->bufReadIndex].time.time.tv_nsec; + framediff = (t_int)((t_float)timediff * .000001 / x->sr_inv); + + if (framediff >= N || framediff < 0) + x->midiEventBuf[x->bufReadIndex].time.tick = 0; + else + x->midiEventBuf[x->bufReadIndex].time.tick = N - framediff - 1; + + x->instanceEventBuffers[instance][x->instanceEventCounts[instance]] + = x->midiEventBuf[x->bufReadIndex]; +#if DEBUG +post("%s, note received on channel %d", x->descriptor->LADSPA_Plugin->Label, x->instanceEventBuffers[instance][x->instanceEventCounts[instance]].data.note.channel); +#endif + x->instanceEventCounts[instance]++; + +#if DEBUG + post("Instance event count for instance %d of %d: %d\n", + instance + 1, x->n_instances, x->instanceEventCounts[instance]); +#endif + + } + + i = 0; + while(i < x->n_instances){ + if(x->instanceHandles[i] && + x->descriptor->run_multiple_synths){ + x->descriptor->run_multiple_synths + (x->n_instances, x->instanceHandles, + (unsigned long)N, x->instanceEventBuffers, + &x->instanceEventCounts[0]); + break; + } + else if (x->instanceHandles[i]){ + x->descriptor->run_synth(x->instanceHandles[i], + (unsigned long)N, x->instanceEventBuffers[i], + x->instanceEventCounts[i]); + i++; + } + } + + for(i = 0; i < x->n_instances; i++){ +/* t_float *out = x->outlets[i];*/ + for(n = 0; n < N; n++) + x->outlets[i][n] = x->plugin_OutputBuffers[i][n]; +/* x->outlets[i][n] = 1;*/ + } + } + return (w+3); +} + +static void dssi_tilde_dsp(t_dssi_tilde *x, t_signal **sp) +{ + /*FIX -hmmm what's the best way to do this? */ + if(x->n_instances){ + int n; + t_float **outlets = x->outlets; + + for(n = 0; n < x->n_instances; n++) + *outlets++ = sp[n+1]->s_vec; + } + dsp_add(dssi_tilde_perform, 2, sp[0]->s_n, x); + + +} + +static void *dssi_tilde_new(t_symbol *s, t_int argc, t_atom *argv){ + + t_dssi_tilde *x = (t_dssi_tilde *)pd_new(dssi_tilde_class); + post("dssi~ %.2f\n a DSSI host for Pure Data\n by Jamie Bullock\nIncluding Code from jack-dssi-host\n by Chris Cannam, Steve Harris and Sean Bolton", VERSION); + + if (argc){ + int i, stop = 0; + + + /*x->midiEventBufferMutex = PTHREAD_MUTEX_INITIALIZER; + */ + + pthread_mutex_init(&x->midiEventBufferMutex, NULL); + + x->sr = (t_int)sys_getsr(); + x->sr_inv = 1 / (t_float)x->sr; + + x->dir = NULL; + x->bufWriteIndex = x->bufReadIndex = 0; + + x->dll_name = (char *)malloc(sizeof(char) * 8);/* HARD CODED! */ + sprintf(x->dll_name, "%s", "plugin"); /* for now - Fix! */ + + if(argc >= 2) + x->n_instances = (t_int)argv[1].a_w.w_float; + else + x->n_instances = 1; + + x->instances = (t_dssi_instance *)malloc(sizeof(t_dssi_instance) * + x->n_instances); + +#if DEBUG + post("sr_inv = %.6f", x->sr_inv); +#endif + x->time_ref = (t_int)clock_getlogicaltime; + x->blksize = sys_getblksize(); + x->ports_in = x->ports_out = x->ports_controlIn = x->ports_controlOut = 0; + + x->dll_path = argv[0].a_w.w_symbol->s_name; + dssi_load(x->dll_path, &x->dll_handle); + if (x->dll_handle){ + x->desc_func = (DSSI_Descriptor_Function)dlsym(x->dll_handle, + "dssi_descriptor"); + if(x->descriptor = x->desc_func(0)){ +#if DEBUG + post("%s loaded successfully!", + x->descriptor->LADSPA_Plugin->Label); +#endif + portInfo(x); + dssi_assignPorts(x); + for(i = 0; i < x->n_instances; i++){ + x->instanceHandles[i] = x->descriptor->LADSPA_Plugin->instantiate(x->descriptor->LADSPA_Plugin, x->sr); + if (!x->instanceHandles[i]){ + post("instantiation of instance %d failed", i); + stop = 1; + break; + } + } + if(!stop){ + for(i = 0;i < x->n_instances; i++) + dssi_init(x, i); + for(i = 0;i < x->n_instances; i++) + dssi_connectPorts(x, i); /* fix this */ + for(i = 0;i < x->n_instances; i++) + dssi_osc_setup(x, i); + for(i = 0;i < x->n_instances; i++) + dssi_activate(x, i); + for(i = 0;i < x->n_instances; i++) + dssi_programs(x, i); +#if LOADGUI + for(i = 0;i < x->n_instances; i++) + dssi_load_gui(x, i); +#endif + for(i = 0;i < x->n_instances; i++) + outlet_new(&x->x_obj, &s_signal); + + x->outlets = (t_float **)calloc(x->n_instances, + sizeof(t_float *)); + } + } + + /*Create right inlet for configuration messages */ + inlet_new(&x->x_obj, &x->x_obj.ob_pd, + &s_list, gensym("config")); + } + + else + post("unknown error"); + } + else + post("No arguments given, please supply a path"); + return (void *)x; +} + +static void dssi_free(t_dssi_tilde *x){ + +t_int instance; + for(instance = 0; instance < x->n_instances; instance++) { + /* no -- see comment in osc_exiting_handler */ + /* if (!instances[i].inactive) { */ + if (x->descriptor->LADSPA_Plugin->deactivate) { + x->descriptor->LADSPA_Plugin->deactivate + (x->instanceHandles[instance]); + } + /* } */ + if (x->descriptor->LADSPA_Plugin && + x->descriptor->LADSPA_Plugin->cleanup) { + x->descriptor->LADSPA_Plugin->cleanup + (x->instanceHandles[instance]); + } + } + + +#if DEBUG + post("Calling dssi_free"); +#endif + if(x->dll_handle){ + instance = x->n_instances; + free((LADSPA_Handle)x->instanceHandles); + free(x->plugin_ControlInPortNumbers); + free((t_float *)x->plugin_InputBuffers); + free((t_float *)x->plugin_OutputBuffers); + free((snd_seq_event_t *)x->instanceEventBuffers); + free(x->instanceEventCounts); + free(x->plugin_ControlDataInput); + free(x->plugin_ControlDataOutput); + + while(instance--){ + if(x->instances[instance].gui_pid){ +#if DEBUG + post("Freeing GUI process PID = %d", x->instances[instance].gui_pid); +#endif + kill(x->instances[instance].gui_pid, SIGKILL); + } + free(x->instances[instance].ui_osc_control_path); + free(x->instances[instance].ui_osc_configure_path); + free(x->instances[instance].ui_osc_program_path); + free(x->instances[instance].ui_osc_show_path); + free(x->instances[instance].ui_osc_hide_path); + free(x->instances[instance].osc_url_path); + free(x->instances[instance].plugin_PortControlInNumbers); + } + free((t_float *)x->outlets); + free(x->osc_url_base); + free(x->dll_name); + } +} + + + +void dssi_tilde_setup(void) { + + dssi_tilde_class = class_new(gensym("dssi~"), (t_newmethod)dssi_tilde_new,(t_method)dssi_free, sizeof(t_dssi_tilde), 0, A_GIMME, 0); + class_addlist(dssi_tilde_class, dssi_list); + class_addbang(dssi_tilde_class, dssi_bang); + class_addmethod(dssi_tilde_class, (t_method)dssi_tilde_dsp, gensym("dsp"), 0); + class_addmethod(dssi_tilde_class, (t_method)dssi_config, + gensym("config"), A_GIMME, 0); + class_sethelpsymbol(dssi_tilde_class, gensym("help-dssi")); + CLASS_MAINSIGNALIN(dssi_tilde_class, t_dssi_tilde,f); +} + +static int osc_message_handler(const char *path, const char *types, + lo_arg **argv,int argc, void *data, void *user_data) +{ +#if DEBUG + post("osc_message_handler active"); +#endif + int i, instance = 0; + const char *method; + char chantemp[2]; + t_dssi_tilde *x = (t_dssi_tilde *)(user_data); + + if (strncmp(path, "/dssi/", 6)){ +#if DEBUG + post("calling osc_debug_handler"); +#endif + return osc_debug_handler(path, types, argv, argc, data, x); + } + for (i = 0; i < x->n_instances; i++) { + if (!strncmp(path + 6, x->instances[i].osc_url_path, + strlen(x->instances[i].osc_url_path))) { + instance = i; + break; + } + } +#if DEBUG + for(i = 0; i < argc; i++){ + post("got osc request %c from instance %d, path: %s", + types[i],instance,path); + } +#endif + + if (!x->instances[instance].osc_url_path){ +#if DEBUG + post("calling osc_debug_handler"); +#endif + return osc_debug_handler(path, types, argv, argc, data, x); + } + method = path + 6 + strlen(x->instances[instance].osc_url_path); + if (*method != '/' || *(method + 1) == 0){ +#if DEBUG + post("calling osc_debug_handler"); +#endif + return osc_debug_handler(path, types, argv, argc, data, x); + } + method++; + + if (!strcmp(method, "configure") && argc == 2 && !strcmp(types, "ss")) { + +#if DEBUG + post("calling osc_configure_handler"); +#endif + return osc_configure_handler(x, argv, instance); + + } else if (!strcmp(method, "control") && argc == 2 && !strcmp(types, "if")) { +#if DEBUG + post("calling osc_control_handler"); +#endif + return osc_control_handler(x, argv, instance); + } + + else if (!strcmp(method, "midi") && argc == 1 && !strcmp(types, "m")) { + +#if DEBUG + post("calling osc_midi_handler"); +#endif + return osc_midi_handler(x, argv, instance); + + } else if (!strcmp(method, "program") && argc == 2 && !strcmp(types, "ii")){ +#if DEBUG + post("calling osc_program_handler"); +#endif + return osc_program_handler(x, argv, instance); + + } else if (!strcmp(method, "update") && argc == 1 && !strcmp(types, "s")){ +#if DEBUG + post("calling osc_update_handler"); +#endif + return osc_update_handler(x, argv, instance); + + + } else if (!strcmp(method, "exiting") && argc == 0) { + + return osc_exiting_handler(x, argv, instance); + } + + return osc_debug_handler(path, types, argv, argc, data, x); +} + |