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Move to using atom instead of event. So far just pass midi via atom.

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This commit is contained in:
Nick Lanham 2012-03-22 14:15:00 +01:00
parent 1a624dd489
commit 990caaf510
4 changed files with 63 additions and 57 deletions
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9
CMakeLists.txt
View File

@ -51,8 +51,15 @@ target_link_libraries(drmr_ui ${LV2_LIBRARIES} ${GTK2_LIBRARIES} ${SNDFILE_LIBRA
add_definitions ( -DPIC )
set_target_properties (drmr
PROPERTIES
COMPILE_FLAGS "-std=gnu99"
)
set (ui_compile_flags "-std=gnu99")
if (NOT USE_NKNOB)
set (ui_compile_flags "-DNO_NKNOB")
set (ui_compile_flags "${ui_compile_flags} -DNO_NKNOB")
endif (NOT USE_NKNOB)
if (SAMP_ZERO_POS GREATER "-1" AND SAMP_ZERO_POS LESS "4")

80
drmr.c
View File

@ -81,17 +81,16 @@ instantiate(const LV2_Descriptor* descriptor,
// Map midi uri
while(*features) {
if (!strcmp((*features)->URI, LV2_URI_MAP_URI)) {
drmr->map = (LV2_URI_Map_Feature *)((*features)->data);
drmr->uris.midi_event = drmr->map->uri_to_id
(drmr->map->callback_data,
"http://lv2plug.in/ns/ext/event",
"http://lv2plug.in/ns/ext/midi#MidiEvent");
if (!strcmp((*features)->URI, LV2_URID_URI "#map")) {
drmr->map = (LV2_URID_Map *)((*features)->data);
drmr->uris.midi_event =
drmr->map->map(drmr->map->handle,
"http://lv2plug.in/ns/ext/midi#MidiEvent");
}
features++;
}
if (!drmr->map) {
fprintf(stderr, "LV2 host does not support uri-map.\n");
fprintf(stderr, "LV2 host does not support urid#map.\n");
free(drmr);
return 0;
}
@ -126,8 +125,8 @@ connect_port(LV2_Handle instance,
DrMr* drmr = (DrMr*)instance;
DrMrPortIndex port_index = (DrMrPortIndex)port;
switch (port_index) {
case DRMR_MIDI:
drmr->midi_port = (LV2_Event_Buffer*)data;
case DRMR_CONTROL:
drmr->control_port = (LV2_Atom_Sequence*)data;
break;
case DRMR_LEFT:
drmr->left = (float*)data;
@ -191,42 +190,37 @@ static void run(LV2_Handle instance, uint32_t n_samples) {
if (kitInt != drmr->curKit) // requested a new kit
pthread_cond_signal(&drmr->load_cond);
LV2_Event_Iterator eit;
if (drmr->midi_port && lv2_event_begin(&eit,drmr->midi_port)) { // if we have any events
LV2_Event *cur_ev;
uint8_t* data;
while (lv2_event_is_valid(&eit)) {
cur_ev = lv2_event_get(&eit,&data);
if (cur_ev->type == drmr->uris.midi_event) {
//int channel = *data & 15;
switch ((*data) >> 4) {
case 8: // ignore note-offs for now, should probably be a setting
//if (drmr->cur_samp) drmr->cur_samp->active = 0;
break;
case 9: {
uint8_t nn = data[1];
nn-=baseNote;
// need to mutex this to avoid getting the samples array
// changed after the check that the midi-note is valid
pthread_mutex_lock(&drmr->load_mutex);
if (nn >= 0 && nn < drmr->num_samples) {
if (drmr->samples[nn].layer_count > 0) {
layer_to_sample(drmr->samples+nn,*(drmr->gains[nn]));
if (drmr->samples[nn].limit == 0)
fprintf(stderr,"Failed to find layer at: %i for %f\n",nn,*drmr->gains[nn]);
}
drmr->samples[nn].active = 1;
drmr->samples[nn].offset = 0;
LV2_SEQUENCE_FOREACH(drmr->control_port, i) {
LV2_Atom_Event* const ev = lv2_sequence_iter_get(i);
if (ev->body.type == drmr->uris.midi_event) {
uint8_t* const data = (uint8_t* const)(ev + 1);
//int channel = *data & 15;
switch ((*data) >> 4) {
case 8: // ignore note-offs for now, should probably be a setting
//if (drmr->cur_samp) drmr->cur_samp->active = 0;
break;
case 9: {
uint8_t nn = data[1];
nn-=baseNote;
// need to mutex this to avoid getting the samples array
// changed after the check that the midi-note is valid
pthread_mutex_lock(&drmr->load_mutex);
if (nn >= 0 && nn < drmr->num_samples) {
if (drmr->samples[nn].layer_count > 0) {
layer_to_sample(drmr->samples+nn,*(drmr->gains[nn]));
if (drmr->samples[nn].limit == 0)
fprintf(stderr,"Failed to find layer at: %i for %f\n",nn,*drmr->gains[nn]);
}
pthread_mutex_unlock(&drmr->load_mutex);
break;
drmr->samples[nn].active = 1;
drmr->samples[nn].offset = 0;
}
default:
printf("Unhandeled status: %i\n",(*data)>>4);
}
} else printf("unrecognized event\n");
lv2_event_increment(&eit);
}
pthread_mutex_unlock(&drmr->load_mutex);
break;
}
default:
printf("Unhandeled status: %i\n",(*data)>>4);
}
} else printf("unrecognized event\n");
}
for(i = 0;i<n_samples;i++) {

15
drmr.h
View File

@ -20,10 +20,11 @@
#include <sndfile.h>
#include <pthread.h>
#include "lv2/lv2plug.in/ns/ext/atom/forge.h"
// util includes atom.h
#include "lv2/lv2plug.in/ns/ext/atom/util.h"
#include "lv2/lv2plug.in/ns/lv2core/lv2.h"
#include "lv2/lv2plug.in/ns/ext/event/event.h"
#include "lv2/lv2plug.in/ns/ext/event/event-helpers.h"
#include "lv2/lv2plug.in/ns/ext/uri-map/uri-map.h"
#include "lv2/lv2plug.in/ns/ext/urid/urid.h"
// drumkit scanned from a hydrogen xml file
typedef struct {
@ -67,7 +68,7 @@ typedef struct {
#define GAIN_MAX 6.0f
typedef enum {
DRMR_MIDI = 0,
DRMR_CONTROL = 0,
DRMR_LEFT,
DRMR_RIGHT,
DRMR_KITNUM,
@ -143,7 +144,7 @@ typedef struct {
// Ports
float* left;
float* right;
LV2_Event_Buffer *midi_port;
LV2_Atom_Sequence *control_port;
// params
float** gains;
@ -153,9 +154,9 @@ typedef struct {
double rate;
// URIs
LV2_URI_Map_Feature* map;
LV2_URID_Map* map;
struct {
uint32_t midi_event;
LV2_URID midi_event;
} uris;
// Available kits

16
drmr.ttl
View File

@ -1,10 +1,11 @@
@prefix lv2: <http://lv2plug.in/ns/lv2core#>.
@prefix ev: <http://lv2plug.in/ns/ext/event#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix doap: <http://usefulinc.com/ns/doap#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix ui: <http://lv2plug.in/ns/extensions/ui#>.
@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
@prefix urid: <http://lv2plug.in/ns/ext/urid#> .
<http://github.com/nicklan/drmr>
a lv2:InstrumentPlugin, lv2:Plugin;
@ -15,14 +16,17 @@
foaf:homepage <http://github.com/nick/drmr/wiki> ;
foaf:mbox <nick@afternight.org>
] ;
doap:license <http://usefulinc.com/doap/licenses/gpl>;
doap:license <http://usefulinc.com/doap/licenses/gpl> ;
lv2:requiredFeature urid:map ;
ui:ui <http://github.com/nicklan/drmr#ui> ;
lv2:port [
a ev:EventPort, lv2:InputPort;
a lv2:InputPort , atom:MessagePort;
atom:bufferType atom:Sequence ;
atom:supports <http://lv2plug.in/ns/ext/midi#MidiEvent> ,
<http://lv2plug.in/ns/ext/atom#Path> ;
lv2:index 0;
ev:supportsEvent <http://lv2plug.in/ns/ext/midi#MidiEvent>;
lv2:symbol "midi";
lv2:name "MIDI";
lv2:symbol "control";
lv2:name "Control";
],
[
a lv2:AudioPort, lv2:OutputPort;