diff options
Diffstat (limited to 'src/jalv.c')
-rw-r--r-- | src/jalv.c | 2136 |
1 files changed, 1085 insertions, 1051 deletions
@@ -51,12 +51,12 @@ #include "zix/sem.h" #ifdef HAVE_SUIL -#include "suil/suil.h" +# include "suil/suil.h" #endif #ifdef _WIN32 -# include <io.h> /* for _mktemp */ -# define snprintf _snprintf +# include <io.h> /* for _mktemp */ +# define snprintf _snprintf #endif #include <assert.h> @@ -73,15 +73,15 @@ #define NS_XSD "http://www.w3.org/2001/XMLSchema#" #ifndef MIN -# define MIN(a, b) (((a) < (b)) ? (a) : (b)) +# define MIN(a, b) (((a) < (b)) ? (a) : (b)) #endif #ifndef MAX -# define MAX(a, b) (((a) > (b)) ? (a) : (b)) +# define MAX(a, b) (((a) > (b)) ? (a) : (b)) #endif #ifndef ARRAY_SIZE -# define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0])) +# define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0])) #endif /* Size factor for UI ring buffers. The ring size is a few times the size of @@ -91,62 +91,60 @@ */ #define N_BUFFER_CYCLES 16 -static ZixSem* exit_sem = NULL; /**< Exit semaphore used by signal handler*/ +static ZixSem* exit_sem = NULL; /**< Exit semaphore used by signal handler*/ static LV2_URID -map_uri(LV2_URID_Map_Handle handle, - const char* uri) +map_uri(LV2_URID_Map_Handle handle, const char* uri) { - Jalv* jalv = (Jalv*)handle; - zix_sem_wait(&jalv->symap_lock); - const LV2_URID id = symap_map(jalv->symap, uri); - zix_sem_post(&jalv->symap_lock); - return id; + Jalv* jalv = (Jalv*)handle; + zix_sem_wait(&jalv->symap_lock); + const LV2_URID id = symap_map(jalv->symap, uri); + zix_sem_post(&jalv->symap_lock); + return id; } static const char* -unmap_uri(LV2_URID_Unmap_Handle handle, - LV2_URID urid) +unmap_uri(LV2_URID_Unmap_Handle handle, LV2_URID urid) { - Jalv* jalv = (Jalv*)handle; - zix_sem_wait(&jalv->symap_lock); - const char* uri = symap_unmap(jalv->symap, urid); - zix_sem_post(&jalv->symap_lock); - return uri; + Jalv* jalv = (Jalv*)handle; + zix_sem_wait(&jalv->symap_lock); + const char* uri = symap_unmap(jalv->symap, urid); + zix_sem_post(&jalv->symap_lock); + return uri; } #define NS_EXT "http://lv2plug.in/ns/ext/" /** These features have no data */ static const LV2_Feature static_features[] = { - { LV2_STATE__loadDefaultState, NULL }, - { LV2_BUF_SIZE__powerOf2BlockLength, NULL }, - { LV2_BUF_SIZE__fixedBlockLength, NULL }, - { LV2_BUF_SIZE__boundedBlockLength, NULL } }; + {LV2_STATE__loadDefaultState, NULL}, + {LV2_BUF_SIZE__powerOf2BlockLength, NULL}, + {LV2_BUF_SIZE__fixedBlockLength, NULL}, + {LV2_BUF_SIZE__boundedBlockLength, NULL}}; /** Return true iff Jalv supports the given feature. */ static bool feature_is_supported(Jalv* jalv, const char* uri) { - if (!strcmp(uri, "http://lv2plug.in/ns/lv2core#isLive") || - !strcmp(uri, "http://lv2plug.in/ns/lv2core#inPlaceBroken")) { - return true; - } - - for (const LV2_Feature*const* f = jalv->feature_list; *f; ++f) { - if (!strcmp(uri, (*f)->URI)) { - return true; - } - } - return false; + if (!strcmp(uri, "http://lv2plug.in/ns/lv2core#isLive") || + !strcmp(uri, "http://lv2plug.in/ns/lv2core#inPlaceBroken")) { + return true; + } + + for (const LV2_Feature* const* f = jalv->feature_list; *f; ++f) { + if (!strcmp(uri, (*f)->URI)) { + return true; + } + } + return false; } /** Abort and exit on error */ static void die(const char* msg) { - fprintf(stderr, "%s\n", msg); - exit(EXIT_FAILURE); + fprintf(stderr, "%s\n", msg); + exit(EXIT_FAILURE); } /** @@ -155,68 +153,68 @@ die(const char* msg) (e.g. buffers) is done later in activate_port(). */ static void -create_port(Jalv* jalv, - uint32_t port_index, - float default_value) +create_port(Jalv* jalv, uint32_t port_index, float default_value) { - struct Port* const port = &jalv->ports[port_index]; - - port->lilv_port = lilv_plugin_get_port_by_index(jalv->plugin, port_index); - port->sys_port = NULL; - port->evbuf = NULL; - port->buf_size = 0; - port->index = port_index; - port->control = 0.0f; - port->flow = FLOW_UNKNOWN; - - const bool optional = lilv_port_has_property( - jalv->plugin, port->lilv_port, jalv->nodes.lv2_connectionOptional); - - /* Set the port flow (input or output) */ - if (lilv_port_is_a(jalv->plugin, port->lilv_port, jalv->nodes.lv2_InputPort)) { - port->flow = FLOW_INPUT; - } else if (lilv_port_is_a(jalv->plugin, port->lilv_port, - jalv->nodes.lv2_OutputPort)) { - port->flow = FLOW_OUTPUT; - } else if (!optional) { - die("Mandatory port has unknown type (neither input nor output)"); - } - - const bool hidden = !jalv->opts.show_hidden && - lilv_port_has_property(jalv->plugin, - port->lilv_port, - jalv->nodes.pprops_notOnGUI); - - /* Set control values */ - if (lilv_port_is_a(jalv->plugin, port->lilv_port, jalv->nodes.lv2_ControlPort)) { - port->type = TYPE_CONTROL; - port->control = isnan(default_value) ? 0.0f : default_value; - if (!hidden) { - add_control(&jalv->controls, new_port_control(jalv, port->index)); - } - } else if (lilv_port_is_a(jalv->plugin, port->lilv_port, - jalv->nodes.lv2_AudioPort)) { - port->type = TYPE_AUDIO; + struct Port* const port = &jalv->ports[port_index]; + + port->lilv_port = lilv_plugin_get_port_by_index(jalv->plugin, port_index); + port->sys_port = NULL; + port->evbuf = NULL; + port->buf_size = 0; + port->index = port_index; + port->control = 0.0f; + port->flow = FLOW_UNKNOWN; + + const bool optional = lilv_port_has_property( + jalv->plugin, port->lilv_port, jalv->nodes.lv2_connectionOptional); + + /* Set the port flow (input or output) */ + if (lilv_port_is_a( + jalv->plugin, port->lilv_port, jalv->nodes.lv2_InputPort)) { + port->flow = FLOW_INPUT; + } else if (lilv_port_is_a( + jalv->plugin, port->lilv_port, jalv->nodes.lv2_OutputPort)) { + port->flow = FLOW_OUTPUT; + } else if (!optional) { + die("Mandatory port has unknown type (neither input nor output)"); + } + + const bool hidden = !jalv->opts.show_hidden && + lilv_port_has_property(jalv->plugin, + port->lilv_port, + jalv->nodes.pprops_notOnGUI); + + /* Set control values */ + if (lilv_port_is_a( + jalv->plugin, port->lilv_port, jalv->nodes.lv2_ControlPort)) { + port->type = TYPE_CONTROL; + port->control = isnan(default_value) ? 0.0f : default_value; + if (!hidden) { + add_control(&jalv->controls, new_port_control(jalv, port->index)); + } + } else if (lilv_port_is_a( + jalv->plugin, port->lilv_port, jalv->nodes.lv2_AudioPort)) { + port->type = TYPE_AUDIO; #ifdef HAVE_JACK_METADATA - } else if (lilv_port_is_a(jalv->plugin, port->lilv_port, - jalv->nodes.lv2_CVPort)) { - port->type = TYPE_CV; + } else if (lilv_port_is_a( + jalv->plugin, port->lilv_port, jalv->nodes.lv2_CVPort)) { + port->type = TYPE_CV; #endif - } else if (lilv_port_is_a(jalv->plugin, port->lilv_port, - jalv->nodes.atom_AtomPort)) { - port->type = TYPE_EVENT; - } else if (!optional) { - die("Mandatory port has unknown data type"); - } - - LilvNode* min_size = lilv_port_get( - jalv->plugin, port->lilv_port, jalv->nodes.rsz_minimumSize); - if (min_size && lilv_node_is_int(min_size)) { - port->buf_size = lilv_node_as_int(min_size); - jalv->opts.buffer_size = MAX( - jalv->opts.buffer_size, port->buf_size * N_BUFFER_CYCLES); - } - lilv_node_free(min_size); + } else if (lilv_port_is_a( + jalv->plugin, port->lilv_port, jalv->nodes.atom_AtomPort)) { + port->type = TYPE_EVENT; + } else if (!optional) { + die("Mandatory port has unknown data type"); + } + + LilvNode* min_size = + lilv_port_get(jalv->plugin, port->lilv_port, jalv->nodes.rsz_minimumSize); + if (min_size && lilv_node_is_int(min_size)) { + port->buf_size = lilv_node_as_int(min_size); + jalv->opts.buffer_size = + MAX(jalv->opts.buffer_size, port->buf_size * N_BUFFER_CYCLES); + } + lilv_node_free(min_size); } /** @@ -225,31 +223,31 @@ create_port(Jalv* jalv, void jalv_create_ports(Jalv* jalv) { - jalv->num_ports = lilv_plugin_get_num_ports(jalv->plugin); - jalv->ports = (struct Port*)calloc(jalv->num_ports, sizeof(struct Port)); - float* default_values = (float*)calloc( - lilv_plugin_get_num_ports(jalv->plugin), sizeof(float)); - lilv_plugin_get_port_ranges_float(jalv->plugin, NULL, NULL, default_values); - - for (uint32_t i = 0; i < jalv->num_ports; ++i) { - create_port(jalv, i, default_values[i]); - } - - const LilvPort* control_input = lilv_plugin_get_port_by_designation( - jalv->plugin, jalv->nodes.lv2_InputPort, jalv->nodes.lv2_control); - if (control_input) { - const uint32_t index = lilv_port_get_index(jalv->plugin, control_input); - if (jalv->ports[index].type == TYPE_EVENT) { - jalv->control_in = index; - } else { - fprintf(stderr, - "warning: Non-event port %u has lv2:control designation, " - "ignored\n", - index); - } - } - - free(default_values); + jalv->num_ports = lilv_plugin_get_num_ports(jalv->plugin); + jalv->ports = (struct Port*)calloc(jalv->num_ports, sizeof(struct Port)); + float* default_values = + (float*)calloc(lilv_plugin_get_num_ports(jalv->plugin), sizeof(float)); + lilv_plugin_get_port_ranges_float(jalv->plugin, NULL, NULL, default_values); + + for (uint32_t i = 0; i < jalv->num_ports; ++i) { + create_port(jalv, i, default_values[i]); + } + + const LilvPort* control_input = lilv_plugin_get_port_by_designation( + jalv->plugin, jalv->nodes.lv2_InputPort, jalv->nodes.lv2_control); + if (control_input) { + const uint32_t index = lilv_port_get_index(jalv->plugin, control_input); + if (jalv->ports[index].type == TYPE_EVENT) { + jalv->control_in = index; + } else { + fprintf(stderr, + "warning: Non-event port %u has lv2:control designation, " + "ignored\n", + index); + } + } + + free(default_values); } /** @@ -258,26 +256,26 @@ jalv_create_ports(Jalv* jalv) void jalv_allocate_port_buffers(Jalv* jalv) { - for (uint32_t i = 0; i < jalv->num_ports; ++i) { - struct Port* const port = &jalv->ports[i]; - switch (port->type) { - case TYPE_EVENT: { - lv2_evbuf_free(port->evbuf); - const size_t buf_size = (port->buf_size > 0) - ? port->buf_size - : jalv->midi_buf_size; - port->evbuf = lv2_evbuf_new( - buf_size, - jalv->map.map(jalv->map.handle, - lilv_node_as_string(jalv->nodes.atom_Chunk)), - jalv->map.map(jalv->map.handle, - lilv_node_as_string(jalv->nodes.atom_Sequence))); - lilv_instance_connect_port( - jalv->instance, i, lv2_evbuf_get_buffer(port->evbuf)); - } - default: break; - } - } + for (uint32_t i = 0; i < jalv->num_ports; ++i) { + struct Port* const port = &jalv->ports[i]; + switch (port->type) { + case TYPE_EVENT: { + lv2_evbuf_free(port->evbuf); + const size_t buf_size = + (port->buf_size > 0) ? port->buf_size : jalv->midi_buf_size; + port->evbuf = lv2_evbuf_new( + buf_size, + jalv->map.map(jalv->map.handle, + lilv_node_as_string(jalv->nodes.atom_Chunk)), + jalv->map.map(jalv->map.handle, + lilv_node_as_string(jalv->nodes.atom_Sequence))); + lilv_instance_connect_port( + jalv->instance, i, lv2_evbuf_get_buffer(port->evbuf)); + } + default: + break; + } + } } /** @@ -289,85 +287,84 @@ jalv_allocate_port_buffers(Jalv* jalv) struct Port* jalv_port_by_symbol(Jalv* jalv, const char* sym) { - for (uint32_t i = 0; i < jalv->num_ports; ++i) { - struct Port* const port = &jalv->ports[i]; - const LilvNode* port_sym = lilv_port_get_symbol(jalv->plugin, - port->lilv_port); + for (uint32_t i = 0; i < jalv->num_ports; ++i) { + struct Port* const port = &jalv->ports[i]; + const LilvNode* port_sym = + lilv_port_get_symbol(jalv->plugin, port->lilv_port); - if (!strcmp(lilv_node_as_string(port_sym), sym)) { - return port; - } - } + if (!strcmp(lilv_node_as_string(port_sym), sym)) { + return port; + } + } - return NULL; + return NULL; } ControlID* jalv_control_by_symbol(Jalv* jalv, const char* sym) { - for (size_t i = 0; i < jalv->controls.n_controls; ++i) { - if (!strcmp(lilv_node_as_string(jalv->controls.controls[i]->symbol), - sym)) { - return jalv->controls.controls[i]; - } - } - return NULL; + for (size_t i = 0; i < jalv->controls.n_controls; ++i) { + if (!strcmp(lilv_node_as_string(jalv->controls.controls[i]->symbol), sym)) { + return jalv->controls.controls[i]; + } + } + return NULL; } void jalv_create_controls(Jalv* jalv, bool writable) { - const LilvPlugin* plugin = jalv->plugin; - LilvWorld* world = jalv->world; - LilvNode* patch_writable = lilv_new_uri(world, LV2_PATCH__writable); - LilvNode* patch_readable = lilv_new_uri(world, LV2_PATCH__readable); - - LilvNodes* properties = lilv_world_find_nodes( - world, - lilv_plugin_get_uri(plugin), - writable ? patch_writable : patch_readable, - NULL); - LILV_FOREACH(nodes, p, properties) { - const LilvNode* property = lilv_nodes_get(properties, p); - ControlID* record = NULL; - - if (!writable && lilv_world_ask(world, - lilv_plugin_get_uri(plugin), - patch_writable, - property)) { - // Find existing writable control - for (size_t i = 0; i < jalv->controls.n_controls; ++i) { - if (lilv_node_equals(jalv->controls.controls[i]->node, property)) { - record = jalv->controls.controls[i]; - record->is_readable = true; - break; - } - } - - if (record) { - continue; - } - } - - record = new_property_control(jalv, property); - if (writable) { - record->is_writable = true; - } else { - record->is_readable = true; - } - - if (record->value_type) { - add_control(&jalv->controls, record); - } else { - fprintf(stderr, "Parameter <%s> has unknown value type, ignored\n", - lilv_node_as_string(record->node)); - free(record); - } - } - lilv_nodes_free(properties); - - lilv_node_free(patch_readable); - lilv_node_free(patch_writable); + const LilvPlugin* plugin = jalv->plugin; + LilvWorld* world = jalv->world; + LilvNode* patch_writable = lilv_new_uri(world, LV2_PATCH__writable); + LilvNode* patch_readable = lilv_new_uri(world, LV2_PATCH__readable); + + LilvNodes* properties = + lilv_world_find_nodes(world, + lilv_plugin_get_uri(plugin), + writable ? patch_writable : patch_readable, + NULL); + LILV_FOREACH (nodes, p, properties) { + const LilvNode* property = lilv_nodes_get(properties, p); + ControlID* record = NULL; + + if (!writable && + lilv_world_ask( + world, lilv_plugin_get_uri(plugin), patch_writable, property)) { + // Find existing writable control + for (size_t i = 0; i < jalv->controls.n_controls; ++i) { + if (lilv_node_equals(jalv->controls.controls[i]->node, property)) { + record = jalv->controls.controls[i]; + record->is_readable = true; + break; + } + } + + if (record) { + continue; + } + } + + record = new_property_control(jalv, property); + if (writable) { + record->is_writable = true; + } else { + record->is_readable = true; + } + + if (record->value_type) { + add_control(&jalv->controls, record); + } else { + fprintf(stderr, + "Parameter <%s> has unknown value type, ignored\n", + lilv_node_as_string(record->node)); + free(record); + } + } + lilv_nodes_free(properties); + + lilv_node_free(patch_readable); + lilv_node_free(patch_writable); } void @@ -376,220 +373,220 @@ jalv_set_control(const ControlID* control, LV2_URID type, const void* body) { - Jalv* jalv = control->jalv; - if (control->type == PORT && type == jalv->forge.Float) { - struct Port* port = &control->jalv->ports[control->index]; - port->control = *(const float*)body; - } else if (control->type == PROPERTY) { - // Copy forge since it is used by process thread - LV2_Atom_Forge forge = jalv->forge; - LV2_Atom_Forge_Frame frame; - uint8_t buf[1024]; - lv2_atom_forge_set_buffer(&forge, buf, sizeof(buf)); - - lv2_atom_forge_object(&forge, &frame, 0, jalv->urids.patch_Set); - lv2_atom_forge_key(&forge, jalv->urids.patch_property); - lv2_atom_forge_urid(&forge, control->property); - lv2_atom_forge_key(&forge, jalv->urids.patch_value); - lv2_atom_forge_atom(&forge, size, type); - lv2_atom_forge_write(&forge, body, size); - - const LV2_Atom* atom = lv2_atom_forge_deref(&forge, frame.ref); - jalv_ui_write(jalv, - jalv->control_in, - lv2_atom_total_size(atom), - jalv->urids.atom_eventTransfer, - atom); - } + Jalv* jalv = control->jalv; + if (control->type == PORT && type == jalv->forge.Float) { + struct Port* port = &control->jalv->ports[control->index]; + port->control = *(const float*)body; + } else if (control->type == PROPERTY) { + // Copy forge since it is used by process thread + LV2_Atom_Forge forge = jalv->forge; + LV2_Atom_Forge_Frame frame; + uint8_t buf[1024]; + lv2_atom_forge_set_buffer(&forge, buf, sizeof(buf)); + + lv2_atom_forge_object(&forge, &frame, 0, jalv->urids.patch_Set); + lv2_atom_forge_key(&forge, jalv->urids.patch_property); + lv2_atom_forge_urid(&forge, control->property); + lv2_atom_forge_key(&forge, jalv->urids.patch_value); + lv2_atom_forge_atom(&forge, size, type); + lv2_atom_forge_write(&forge, body, size); + + const LV2_Atom* atom = lv2_atom_forge_deref(&forge, frame.ref); + jalv_ui_write(jalv, + jalv->control_in, + lv2_atom_total_size(atom), + jalv->urids.atom_eventTransfer, + atom); + } } void jalv_ui_instantiate(Jalv* jalv, const char* native_ui_type, void* parent) { #ifdef HAVE_SUIL - jalv->ui_host = suil_host_new(jalv_ui_write, jalv_ui_port_index, NULL, NULL); - - const LV2_Feature parent_feature = { - LV2_UI__parent, parent - }; - const LV2_Feature instance_feature = { - NS_EXT "instance-access", lilv_instance_get_handle(jalv->instance) - }; - const LV2_Feature data_feature = { - LV2_DATA_ACCESS_URI, &jalv->features.ext_data - }; - const LV2_Feature idle_feature = { - LV2_UI__idleInterface, NULL - }; - const LV2_Feature* ui_features[] = { - &jalv->features.map_feature, - &jalv->features.unmap_feature, - &instance_feature, - &data_feature, - &jalv->features.log_feature, - &parent_feature, - &jalv->features.options_feature, - &idle_feature, - &jalv->features.request_value_feature, - NULL - }; - - const char* bundle_uri = lilv_node_as_uri(lilv_ui_get_bundle_uri(jalv->ui)); - const char* binary_uri = lilv_node_as_uri(lilv_ui_get_binary_uri(jalv->ui)); - char* bundle_path = lilv_file_uri_parse(bundle_uri, NULL); - char* binary_path = lilv_file_uri_parse(binary_uri, NULL); - - jalv->ui_instance = suil_instance_new( - jalv->ui_host, - jalv, - native_ui_type, - lilv_node_as_uri(lilv_plugin_get_uri(jalv->plugin)), - lilv_node_as_uri(lilv_ui_get_uri(jalv->ui)), - lilv_node_as_uri(jalv->ui_type), - bundle_path, - binary_path, - ui_features); - - lilv_free(binary_path); - lilv_free(bundle_path); + jalv->ui_host = suil_host_new(jalv_ui_write, jalv_ui_port_index, NULL, NULL); + + const LV2_Feature parent_feature = {LV2_UI__parent, parent}; + const LV2_Feature instance_feature = { + NS_EXT "instance-access", lilv_instance_get_handle(jalv->instance)}; + const LV2_Feature data_feature = {LV2_DATA_ACCESS_URI, + &jalv->features.ext_data}; + const LV2_Feature idle_feature = {LV2_UI__idleInterface, NULL}; + const LV2_Feature* ui_features[] = {&jalv->features.map_feature, + &jalv->features.unmap_feature, + &instance_feature, + &data_feature, + &jalv->features.log_feature, + &parent_feature, + &jalv->features.options_feature, + &idle_feature, + &jalv->features.request_value_feature, + NULL}; + + const char* bundle_uri = lilv_node_as_uri(lilv_ui_get_bundle_uri(jalv->ui)); + const char* binary_uri = lilv_node_as_uri(lilv_ui_get_binary_uri(jalv->ui)); + char* bundle_path = lilv_file_uri_parse(bundle_uri, NULL); + char* binary_path = lilv_file_uri_parse(binary_uri, NULL); + + jalv->ui_instance = + suil_instance_new(jalv->ui_host, + jalv, + native_ui_type, + lilv_node_as_uri(lilv_plugin_get_uri(jalv->plugin)), + lilv_node_as_uri(lilv_ui_get_uri(jalv->ui)), + lilv_node_as_uri(jalv->ui_type), + bundle_path, + binary_path, + ui_features); + + lilv_free(binary_path); + lilv_free(bundle_path); #endif } bool jalv_ui_is_resizable(Jalv* jalv) { - if (!jalv->ui) { - return false; - } + if (!jalv->ui) { + return false; + } - const LilvNode* s = lilv_ui_get_uri(jalv->ui); - LilvNode* p = lilv_new_uri(jalv->world, LV2_CORE__optionalFeature); - LilvNode* fs = lilv_new_uri(jalv->world, LV2_UI__fixedSize); - LilvNode* nrs = lilv_new_uri(jalv->world, LV2_UI__noUserResize); + const LilvNode* s = lilv_ui_get_uri(jalv->ui); + LilvNode* p = lilv_new_uri(jalv->world, LV2_CORE__optionalFeature); + LilvNode* fs = lilv_new_uri(jalv->world, LV2_UI__fixedSize); + LilvNode* nrs = lilv_new_uri(jalv->world, LV2_UI__noUserResize); - LilvNodes* fs_matches = lilv_world_find_nodes(jalv->world, s, p, fs); - LilvNodes* nrs_matches = lilv_world_find_nodes(jalv->world, s, p, nrs); + LilvNodes* fs_matches = lilv_world_find_nodes(jalv->world, s, p, fs); + LilvNodes* nrs_matches = lilv_world_find_nodes(jalv->world, s, p, nrs); - lilv_nodes_free(nrs_matches); - lilv_nodes_free(fs_matches); - lilv_node_free(nrs); - lilv_node_free(fs); - lilv_node_free(p); + lilv_nodes_free(nrs_matches); + lilv_nodes_free(fs_matches); + lilv_node_free(nrs); + lilv_node_free(fs); + lilv_node_free(p); - return !fs_matches && !nrs_matches; + return !fs_matches && !nrs_matches; } void -jalv_ui_write(void* const jalv_handle, - uint32_t port_index, - uint32_t buffer_size, - uint32_t protocol, - const void* buffer) +jalv_ui_write(void* const jalv_handle, + uint32_t port_index, + uint32_t buffer_size, + uint32_t protocol, + const void* buffer) { - Jalv* const jalv = (Jalv*)jalv_handle; - - if (protocol != 0 && protocol != jalv->urids.atom_eventTransfer) { - fprintf(stderr, "UI write with unsupported protocol %u (%s)\n", - protocol, unmap_uri(jalv, protocol)); - return; - } - - if (port_index >= jalv->num_ports) { - fprintf(stderr, "UI write to out of range port index %u\n", - port_index); - return; - } - - if (jalv->opts.dump && protocol == jalv->urids.atom_eventTransfer) { - const LV2_Atom* atom = (const LV2_Atom*)buffer; - char* str = sratom_to_turtle( - jalv->sratom, &jalv->unmap, "jalv:", NULL, NULL, - atom->type, atom->size, LV2_ATOM_BODY_CONST(atom)); - jalv_ansi_start(stdout, 36); - printf("\n## UI => Plugin (%u bytes) ##\n%s\n", atom->size, str); - jalv_ansi_reset(stdout); - free(str); - } - - char buf[sizeof(ControlChange) + buffer_size]; - ControlChange* ev = (ControlChange*)buf; - ev->index = port_index; - ev->protocol = protocol; - ev->size = buffer_size; - memcpy(ev->body, buffer, buffer_size); - zix_ring_write(jalv->ui_events, buf, sizeof(buf)); + Jalv* const jalv = (Jalv*)jalv_handle; + + if (protocol != 0 && protocol != jalv->urids.atom_eventTransfer) { + fprintf(stderr, + "UI write with unsupported protocol %u (%s)\n", + protocol, + unmap_uri(jalv, protocol)); + return; + } + + if (port_index >= jalv->num_ports) { + fprintf(stderr, "UI write to out of range port index %u\n", port_index); + return; + } + + if (jalv->opts.dump && protocol == jalv->urids.atom_eventTransfer) { + const LV2_Atom* atom = (const LV2_Atom*)buffer; + char* str = sratom_to_turtle(jalv->sratom, + &jalv->unmap, + "jalv:", + NULL, + NULL, + atom->type, + atom->size, + LV2_ATOM_BODY_CONST(atom)); + jalv_ansi_start(stdout, 36); + printf("\n## UI => Plugin (%u bytes) ##\n%s\n", atom->size, str); + jalv_ansi_reset(stdout); + free(str); + } + + char buf[sizeof(ControlChange) + buffer_size]; + ControlChange* ev = (ControlChange*)buf; + ev->index = port_index; + ev->protocol = protocol; + ev->size = buffer_size; + memcpy(ev->body, buffer, buffer_size); + zix_ring_write(jalv->ui_events, buf, sizeof(buf)); } void jalv_apply_ui_events(Jalv* jalv, uint32_t nframes) { - if (!jalv->has_ui) { - return; - } - - ControlChange ev; - const size_t space = zix_ring_read_space(jalv->ui_events); - for (size_t i = 0; i < space; i += sizeof(ev) + ev.size) { - zix_ring_read(jalv->ui_events, (char*)&ev, sizeof(ev)); - char body[ev.size]; - if (zix_ring_read(jalv->ui_events, body, ev.size) != ev.size) { - fprintf(stderr, "error: Error reading from UI ring buffer\n"); - break; - } - assert(ev.index < jalv->num_ports); - struct Port* const port = &jalv->ports[ev.index]; - if (ev.protocol == 0) { - assert(ev.size == sizeof(float)); - port->control = *(float*)body; - } else if (ev.protocol == jalv->urids.atom_eventTransfer) { - LV2_Evbuf_Iterator e = lv2_evbuf_end(port->evbuf); - const LV2_Atom* const atom = (const LV2_Atom*)body; - lv2_evbuf_write(&e, nframes, 0, atom->type, atom->size, - (const uint8_t*)LV2_ATOM_BODY_CONST(atom)); - } else { - fprintf(stderr, "error: Unknown control change protocol %u\n", - ev.protocol); - } - } + if (!jalv->has_ui) { + return; + } + + ControlChange ev; + const size_t space = zix_ring_read_space(jalv->ui_events); + for (size_t i = 0; i < space; i += sizeof(ev) + ev.size) { + zix_ring_read(jalv->ui_events, (char*)&ev, sizeof(ev)); + char body[ev.size]; + if (zix_ring_read(jalv->ui_events, body, ev.size) != ev.size) { + fprintf(stderr, "error: Error reading from UI ring buffer\n"); + break; + } + assert(ev.index < jalv->num_ports); + struct Port* const port = &jalv->ports[ev.index]; + if (ev.protocol == 0) { + assert(ev.size == sizeof(float)); + port->control = *(float*)body; + } else if (ev.protocol == jalv->urids.atom_eventTransfer) { + LV2_Evbuf_Iterator e = lv2_evbuf_end(port->evbuf); + const LV2_Atom* const atom = (const LV2_Atom*)body; + lv2_evbuf_write(&e, + nframes, + 0, + atom->type, + atom->size, + (const uint8_t*)LV2_ATOM_BODY_CONST(atom)); + } else { + fprintf( + stderr, "error: Unknown control change protocol %u\n", ev.protocol); + } + } } uint32_t jalv_ui_port_index(void* const controller, const char* symbol) { - Jalv* const jalv = (Jalv*)controller; - struct Port* port = jalv_port_by_symbol(jalv, symbol); + Jalv* const jalv = (Jalv*)controller; + struct Port* port = jalv_port_by_symbol(jalv, symbol); - return port ? port->index : LV2UI_INVALID_PORT_INDEX; + return port ? port->index : LV2UI_INVALID_PORT_INDEX; } void jalv_init_ui(Jalv* jalv) { - // Set initial control port values - for (uint32_t i = 0; i < jalv->num_ports; ++i) { - if (jalv->ports[i].type == TYPE_CONTROL) { - jalv_ui_port_event(jalv, i, - sizeof(float), 0, - &jalv->ports[i].control); - } - } - - if (jalv->control_in != (uint32_t)-1) { - // Send patch:Get message for initial parameters/etc - LV2_Atom_Forge forge = jalv->forge; - LV2_Atom_Forge_Frame frame; - uint8_t buf[1024]; - lv2_atom_forge_set_buffer(&forge, buf, sizeof(buf)); - lv2_atom_forge_object(&forge, &frame, 0, jalv->urids.patch_Get); - - const LV2_Atom* atom = lv2_atom_forge_deref(&forge, frame.ref); - jalv_ui_write(jalv, - jalv->control_in, - lv2_atom_total_size(atom), - jalv->urids.atom_eventTransfer, - atom); - lv2_atom_forge_pop(&forge, &frame); - } + // Set initial control port values + for (uint32_t i = 0; i < jalv->num_ports; ++i) { + if (jalv->ports[i].type == TYPE_CONTROL) { + jalv_ui_port_event(jalv, i, sizeof(float), 0, &jalv->ports[i].control); + } + } + + if (jalv->control_in != (uint32_t)-1) { + // Send patch:Get message for initial parameters/etc + LV2_Atom_Forge forge = jalv->forge; + LV2_Atom_Forge_Frame frame; + uint8_t buf[1024]; + lv2_atom_forge_set_buffer(&forge, buf, sizeof(buf)); + lv2_atom_forge_object(&forge, &frame, 0, jalv->urids.patch_Get); + + const LV2_Atom* atom = lv2_atom_forge_deref(&forge, frame.ref); + jalv_ui_write(jalv, + jalv->control_in, + lv2_atom_total_size(atom), + jalv->urids.atom_eventTransfer, + atom); + lv2_atom_forge_pop(&forge, &frame); + } } bool @@ -599,757 +596,794 @@ jalv_send_to_ui(Jalv* jalv, uint32_t size, const void* body) { - /* TODO: Be more disciminate about what to send */ - char evbuf[sizeof(ControlChange) + sizeof(LV2_Atom)]; - ControlChange* ev = (ControlChange*)evbuf; - ev->index = port_index; - ev->protocol = jalv->urids.atom_eventTransfer; - ev->size = sizeof(LV2_Atom) + size; - - LV2_Atom* atom = (LV2_Atom*)ev->body; - atom->type = type; - atom->size = size; - - if (zix_ring_write_space(jalv->plugin_events) >= sizeof(evbuf) + size) { - zix_ring_write(jalv->plugin_events, evbuf, sizeof(evbuf)); - zix_ring_write(jalv->plugin_events, (const char*)body, size); - return true; - } - - fprintf(stderr, "Plugin => UI buffer overflow!\n"); - return false; + /* TODO: Be more disciminate about what to send */ + char evbuf[sizeof(ControlChange) + sizeof(LV2_Atom)]; + ControlChange* ev = (ControlChange*)evbuf; + ev->index = port_index; + ev->protocol = jalv->urids.atom_eventTransfer; + ev->size = sizeof(LV2_Atom) + size; + + LV2_Atom* atom = (LV2_Atom*)ev->body; + atom->type = type; + atom->size = size; + + if (zix_ring_write_space(jalv->plugin_events) >= sizeof(evbuf) + size) { + zix_ring_write(jalv->plugin_events, evbuf, sizeof(evbuf)); + zix_ring_write(jalv->plugin_events, (const char*)body, size); + return true; + } + + fprintf(stderr, "Plugin => UI buffer overflow!\n"); + return false; } bool jalv_run(Jalv* jalv, uint32_t nframes) { - /* Read and apply control change events from UI */ - jalv_apply_ui_events(jalv, nframes); - - /* Run plugin for this cycle */ - lilv_instance_run(jalv->instance, nframes); - - /* Process any worker replies. */ - jalv_worker_emit_responses(&jalv->state_worker, jalv->instance); - jalv_worker_emit_responses(&jalv->worker, jalv->instance); - - /* Notify the plugin the run() cycle is finished */ - if (jalv->worker.iface && jalv->worker.iface->end_run) { - jalv->worker.iface->end_run(jalv->instance->lv2_handle); - } - - /* Check if it's time to send updates to the UI */ - jalv->event_delta_t += nframes; - bool send_ui_updates = false; - float update_frames = jalv->sample_rate / jalv->ui_update_hz; - if (jalv->has_ui && (jalv->event_delta_t > update_frames)) { - send_ui_updates = true; - jalv->event_delta_t = 0; - } - - return send_ui_updates; + /* Read and apply control change events from UI */ + jalv_apply_ui_events(jalv, nframes); + + /* Run plugin for this cycle */ + lilv_instance_run(jalv->instance, nframes); + + /* Process any worker replies. */ + jalv_worker_emit_responses(&jalv->state_worker, jalv->instance); + jalv_worker_emit_responses(&jalv->worker, jalv->instance); + + /* Notify the plugin the run() cycle is finished */ + if (jalv->worker.iface && jalv->worker.iface->end_run) { + jalv->worker.iface->end_run(jalv->instance->lv2_handle); + } + + /* Check if it's time to send updates to the UI */ + jalv->event_delta_t += nframes; + bool send_ui_updates = false; + float update_frames = jalv->sample_rate / jalv->ui_update_hz; + if (jalv->has_ui && (jalv->event_delta_t > update_frames)) { + send_ui_updates = true; + jalv->event_delta_t = 0; + } + + return send_ui_updates; } int jalv_update(Jalv* jalv) { - /* Check quit flag and close if set. */ - if (zix_sem_try_wait(&jalv->done)) { - jalv_close_ui(jalv); - return 0; - } - - /* Emit UI events. */ - ControlChange ev; - const size_t space = zix_ring_read_space(jalv->plugin_events); - for (size_t i = 0; - i + sizeof(ev) < space; - i += sizeof(ev) + ev.size) { - /* Read event header to get the size */ - zix_ring_read(jalv->plugin_events, (char*)&ev, sizeof(ev)); - - /* Resize read buffer if necessary */ - jalv->ui_event_buf = realloc(jalv->ui_event_buf, ev.size); - void* const buf = jalv->ui_event_buf; - - /* Read event body */ - zix_ring_read(jalv->plugin_events, (char*)buf, ev.size); - - if (jalv->opts.dump && ev.protocol == jalv->urids.atom_eventTransfer) { - /* Dump event in Turtle to the console */ - LV2_Atom* atom = (LV2_Atom*)buf; - char* str = sratom_to_turtle( - jalv->ui_sratom, &jalv->unmap, "jalv:", NULL, NULL, - atom->type, atom->size, LV2_ATOM_BODY(atom)); - jalv_ansi_start(stdout, 35); - printf("\n## Plugin => UI (%u bytes) ##\n%s\n", atom->size, str); - jalv_ansi_reset(stdout); - free(str); - } - - jalv_ui_port_event(jalv, ev.index, ev.size, ev.protocol, buf); - - if (ev.protocol == 0 && jalv->opts.print_controls) { - jalv_print_control(jalv, &jalv->ports[ev.index], *(float*)buf); - } - } - - return 1; + /* Check quit flag and close if set. */ + if (zix_sem_try_wait(&jalv->done)) { + jalv_close_ui(jalv); + return 0; + } + + /* Emit UI events. */ + ControlChange ev; + const size_t space = zix_ring_read_space(jalv->plugin_events); + for (size_t i = 0; i + sizeof(ev) < space; i += sizeof(ev) + ev.size) { + /* Read event header to get the size */ + zix_ring_read(jalv->plugin_events, (char*)&ev, sizeof(ev)); + + /* Resize read buffer if necessary */ + jalv->ui_event_buf = realloc(jalv->ui_event_buf, ev.size); + void* const buf = jalv->ui_event_buf; + + /* Read event body */ + zix_ring_read(jalv->plugin_events, (char*)buf, ev.size); + + if (jalv->opts.dump && ev.protocol == jalv->urids.atom_eventTransfer) { + /* Dump event in Turtle to the console */ + LV2_Atom* atom = (LV2_Atom*)buf; + char* str = sratom_to_turtle(jalv->ui_sratom, + &jalv->unmap, + "jalv:", + NULL, + NULL, + atom->type, + atom->size, + LV2_ATOM_BODY(atom)); + jalv_ansi_start(stdout, 35); + printf("\n## Plugin => UI (%u bytes) ##\n%s\n", atom->size, str); + jalv_ansi_reset(stdout); + free(str); + } + + jalv_ui_port_event(jalv, ev.index, ev.size, ev.protocol, buf); + + if (ev.protocol == 0 && jalv->opts.print_controls) { + jalv_print_control(jalv, &jalv->ports[ev.index], *(float*)buf); + } + } + + return 1; } static bool jalv_apply_control_arg(Jalv* jalv, const char* s) { - char sym[256]; - float val = 0.0f; - if (sscanf(s, "%[^=]=%f", sym, &val) != 2) { - fprintf(stderr, "warning: Ignoring invalid value `%s'\n", s); - return false; - } - - ControlID* control = jalv_control_by_symbol(jalv, sym); - if (!control) { - fprintf(stderr, "warning: Ignoring value for unknown control `%s'\n", sym); - return false; - } - - jalv_set_control(control, sizeof(float), jalv->urids.atom_Float, &val); - printf("%s = %f\n", sym, val); - - return true; + char sym[256]; + float val = 0.0f; + if (sscanf(s, "%[^=]=%f", sym, &val) != 2) { + fprintf(stderr, "warning: Ignoring invalid value `%s'\n", s); + return false; + } + + ControlID* control = jalv_control_by_symbol(jalv, sym); + if (!control) { + fprintf(stderr, "warning: Ignoring value for unknown control `%s'\n", sym); + return false; + } + + jalv_set_control(control, sizeof(float), jalv->urids.atom_Float, &val); + printf("%s = %f\n", sym, val); + + return true; } static void signal_handler(int ZIX_UNUSED(sig)) { - zix_sem_post(exit_sem); + zix_sem_post(exit_sem); } static void init_feature(LV2_Feature* const dest, const char* const URI, void* data) { - dest->URI = URI; - dest->data = data; + dest->URI = URI; + dest->data = data; } static void setup_signals(Jalv* const jalv) { - exit_sem = &jalv->done; + exit_sem = &jalv->done; #ifdef HAVE_SIGACTION - struct sigaction action; - sigemptyset(&action.sa_mask); - action.sa_flags = 0; - action.sa_handler = signal_handler; - sigaction(SIGINT, &action, NULL); - sigaction(SIGTERM, &action, NULL); + struct sigaction action; + sigemptyset(&action.sa_mask); + action.sa_flags = 0; + action.sa_handler = signal_handler; + sigaction(SIGINT, &action, NULL); + sigaction(SIGTERM, &action, NULL); #else - /* May not work in combination with fgets in the console interface */ - signal(SIGINT, signal_handler); - signal(SIGTERM, signal_handler); + /* May not work in combination with fgets in the console interface */ + signal(SIGINT, signal_handler); + signal(SIGTERM, signal_handler); #endif } static const LilvUI* jalv_select_custom_ui(const Jalv* const jalv) { - const char* const native_ui_type_uri = jalv_native_ui_type(); + const char* const native_ui_type_uri = jalv_native_ui_type(); - if (jalv->opts.ui_uri) { - // Specific UI explicitly requested by user - LilvNode* uri = lilv_new_uri(jalv->world, jalv->opts.ui_uri); - const LilvUI* ui = lilv_uis_get_by_uri(jalv->uis, uri); + if (jalv->opts.ui_uri) { + // Specific UI explicitly requested by user + LilvNode* uri = lilv_new_uri(jalv->world, jalv->opts.ui_uri); + const LilvUI* ui = lilv_uis_get_by_uri(jalv->uis, uri); - lilv_node_free(uri); - return ui; - } + lilv_node_free(uri); + return ui; + } #ifdef HAVE_SUIL - if (native_ui_type_uri) { - // Try to find an embeddable UI - LilvNode* native_type = lilv_new_uri(jalv->world, native_ui_type_uri); - - LILV_FOREACH (uis, u, jalv->uis) { - const LilvUI* ui = lilv_uis_get(jalv->uis, u); - const LilvNode* type = NULL; - const bool supported = lilv_ui_is_supported( - ui, suil_ui_supported, native_type, &type); - - if (supported) { - lilv_node_free(native_type); - return ui; - } - } - - lilv_node_free(native_type); - } + if (native_ui_type_uri) { + // Try to find an embeddable UI + LilvNode* native_type = lilv_new_uri(jalv->world, native_ui_type_uri); + + LILV_FOREACH (uis, u, jalv->uis) { + const LilvUI* ui = lilv_uis_get(jalv->uis, u); + const LilvNode* type = NULL; + const bool supported = + lilv_ui_is_supported(ui, suil_ui_supported, native_type, &type); + + if (supported) { + lilv_node_free(native_type); + return ui; + } + } + + lilv_node_free(native_type); + } #endif - if (!native_ui_type_uri && jalv->opts.show_ui) { - // Try to find a UI with ui:showInterface - LILV_FOREACH (uis, u, jalv->uis) { - const LilvUI* ui = lilv_uis_get(jalv->uis, u); - const LilvNode* ui_node = lilv_ui_get_uri(ui); + if (!native_ui_type_uri && jalv->opts.show_ui) { + // Try to find a UI with ui:showInterface + LILV_FOREACH (uis, u, jalv->uis) { + const LilvUI* ui = lilv_uis_get(jalv->uis, u); + const LilvNode* ui_node = lilv_ui_get_uri(ui); - lilv_world_load_resource(jalv->world, ui_node); + lilv_world_load_resource(jalv->world, ui_node); - const bool supported = lilv_world_ask(jalv->world, - ui_node, - jalv->nodes.lv2_extensionData, - jalv->nodes.ui_showInterface); + const bool supported = lilv_world_ask(jalv->world, + ui_node, + jalv->nodes.lv2_extensionData, + jalv->nodes.ui_showInterface); - lilv_world_unload_resource(jalv->world, ui_node); + lilv_world_unload_resource(jalv->world, ui_node); - if (supported) { - return ui; - } - } - } + if (supported) { + return ui; + } + } + } - return NULL; + return NULL; } int jalv_open(Jalv* const jalv, int* argc, char*** argv) { - jalv->prog_name = (*argv)[0]; - jalv->block_length = 4096; /* Should be set by backend */ - jalv->midi_buf_size = 1024; /* Should be set by backend */ - jalv->play_state = JALV_PAUSED; - jalv->bpm = 120.0f; - jalv->control_in = (uint32_t)-1; + jalv->prog_name = (*argv)[0]; + jalv->block_length = 4096; /* Should be set by backend */ + jalv->midi_buf_size = 1024; /* Should be set by backend */ + jalv->play_state = JALV_PAUSED; + jalv->bpm = 120.0f; + jalv->control_in = (uint32_t)-1; #ifdef HAVE_SUIL - suil_init(argc, argv, SUIL_ARG_NONE); + suil_init(argc, argv, SUIL_ARG_NONE); #endif - if (jalv_init(argc, argv, &jalv->opts)) { - jalv_close(jalv); - return -1; - } - - jalv->symap = symap_new(); - zix_sem_init(&jalv->symap_lock, 1); - zix_sem_init(&jalv->work_lock, 1); - - jalv->map.handle = jalv; - jalv->map.map = map_uri; - init_feature(&jalv->features.map_feature, LV2_URID__map, &jalv->map); - - jalv->worker.jalv = jalv; - jalv->state_worker.jalv = jalv; - - jalv->unmap.handle = jalv; - jalv->unmap.unmap = unmap_uri; - init_feature(&jalv->features.unmap_feature, LV2_URID__unmap, &jalv->unmap); - - lv2_atom_forge_init(&jalv->forge, &jalv->map); - - jalv->env = serd_env_new(NULL); - serd_env_set_prefix_from_strings( - jalv->env, (const uint8_t*)"patch", (const uint8_t*)LV2_PATCH_PREFIX); - serd_env_set_prefix_from_strings( - jalv->env, (const uint8_t*)"time", (const uint8_t*)LV2_TIME_PREFIX); - serd_env_set_prefix_from_strings( - jalv->env, (const uint8_t*)"xsd", (const uint8_t*)NS_XSD); - - jalv->sratom = sratom_new(&jalv->map); - jalv->ui_sratom = sratom_new(&jalv->map); - sratom_set_env(jalv->sratom, jalv->env); - sratom_set_env(jalv->ui_sratom, jalv->env); - - jalv->urids.atom_Float = symap_map(jalv->symap, LV2_ATOM__Float); - jalv->urids.atom_Int = symap_map(jalv->symap, LV2_ATOM__Int); - jalv->urids.atom_Object = symap_map(jalv->symap, LV2_ATOM__Object); - jalv->urids.atom_Path = symap_map(jalv->symap, LV2_ATOM__Path); - jalv->urids.atom_String = symap_map(jalv->symap, LV2_ATOM__String); - jalv->urids.atom_eventTransfer = symap_map(jalv->symap, LV2_ATOM__eventTransfer); - jalv->urids.bufsz_maxBlockLength = symap_map(jalv->symap, LV2_BUF_SIZE__maxBlockLength); - jalv->urids.bufsz_minBlockLength = symap_map(jalv->symap, LV2_BUF_SIZE__minBlockLength); - jalv->urids.bufsz_sequenceSize = symap_map(jalv->symap, LV2_BUF_SIZE__sequenceSize); - jalv->urids.log_Error = symap_map(jalv->symap, LV2_LOG__Error); - jalv->urids.log_Trace = symap_map(jalv->symap, LV2_LOG__Trace); - jalv->urids.log_Warning = symap_map(jalv->symap, LV2_LOG__Warning); - jalv->urids.midi_MidiEvent = symap_map(jalv->symap, LV2_MIDI__MidiEvent); - jalv->urids.param_sampleRate = symap_map(jalv->symap, LV2_PARAMETERS__sampleRate); - jalv->urids.patch_Get = symap_map(jalv->symap, LV2_PATCH__Get); - jalv->urids.patch_Put = symap_map(jalv->symap, LV2_PATCH__Put); - jalv->urids.patch_Set = symap_map(jalv->symap, LV2_PATCH__Set); - jalv->urids.patch_body = symap_map(jalv->symap, LV2_PATCH__body); - jalv->urids.patch_property = symap_map(jalv->symap, LV2_PATCH__property); - jalv->urids.patch_value = symap_map(jalv->symap, LV2_PATCH__value); - jalv->urids.time_Position = symap_map(jalv->symap, LV2_TIME__Position); - jalv->urids.time_bar = symap_map(jalv->symap, LV2_TIME__bar); - jalv->urids.time_barBeat = symap_map(jalv->symap, LV2_TIME__barBeat); - jalv->urids.time_beatUnit = symap_map(jalv->symap, LV2_TIME__beatUnit); - jalv->urids.time_beatsPerBar = symap_map(jalv->symap, LV2_TIME__beatsPerBar); - jalv->urids.time_beatsPerMinute = symap_map(jalv->symap, LV2_TIME__beatsPerMinute); - jalv->urids.time_frame = symap_map(jalv->symap, LV2_TIME__frame); - jalv->urids.time_speed = symap_map(jalv->symap, LV2_TIME__speed); - jalv->urids.ui_scaleFactor = symap_map(jalv->symap, LV2_UI__scaleFactor); - jalv->urids.ui_updateRate = symap_map(jalv->symap, LV2_UI__updateRate); + if (jalv_init(argc, argv, &jalv->opts)) { + jalv_close(jalv); + return -1; + } + + jalv->symap = symap_new(); + zix_sem_init(&jalv->symap_lock, 1); + zix_sem_init(&jalv->work_lock, 1); + + jalv->map.handle = jalv; + jalv->map.map = map_uri; + init_feature(&jalv->features.map_feature, LV2_URID__map, &jalv->map); + + jalv->worker.jalv = jalv; + jalv->state_worker.jalv = jalv; + + jalv->unmap.handle = jalv; + jalv->unmap.unmap = unmap_uri; + init_feature(&jalv->features.unmap_feature, LV2_URID__unmap, &jalv->unmap); + + lv2_atom_forge_init(&jalv->forge, &jalv->map); + + jalv->env = serd_env_new(NULL); + serd_env_set_prefix_from_strings( + jalv->env, (const uint8_t*)"patch", (const uint8_t*)LV2_PATCH_PREFIX); + serd_env_set_prefix_from_strings( + jalv->env, (const uint8_t*)"time", (const uint8_t*)LV2_TIME_PREFIX); + serd_env_set_prefix_from_strings( + jalv->env, (const uint8_t*)"xsd", (const uint8_t*)NS_XSD); + + jalv->sratom = sratom_new(&jalv->map); + jalv->ui_sratom = sratom_new(&jalv->map); + sratom_set_env(jalv->sratom, jalv->env); + sratom_set_env(jalv->ui_sratom, jalv->env); + + jalv->urids.atom_Float = symap_map(jalv->symap, LV2_ATOM__Float); + jalv->urids.atom_Int = symap_map(jalv->symap, LV2_ATOM__Int); + jalv->urids.atom_Object = symap_map(jalv->symap, LV2_ATOM__Object); + jalv->urids.atom_Path = symap_map(jalv->symap, LV2_ATOM__Path); + jalv->urids.atom_String = symap_map(jalv->symap, LV2_ATOM__String); + jalv->urids.atom_eventTransfer = + symap_map(jalv->symap, LV2_ATOM__eventTransfer); + jalv->urids.bufsz_maxBlockLength = + symap_map(jalv->symap, LV2_BUF_SIZE__maxBlockLength); + jalv->urids.bufsz_minBlockLength = + symap_map(jalv->symap, LV2_BUF_SIZE__minBlockLength); + jalv->urids.bufsz_sequenceSize = + symap_map(jalv->symap, LV2_BUF_SIZE__sequenceSize); + jalv->urids.log_Error = symap_map(jalv->symap, LV2_LOG__Error); + jalv->urids.log_Trace = symap_map(jalv->symap, LV2_LOG__Trace); + jalv->urids.log_Warning = symap_map(jalv->symap, LV2_LOG__Warning); + jalv->urids.midi_MidiEvent = symap_map(jalv->symap, LV2_MIDI__MidiEvent); + jalv->urids.param_sampleRate = + symap_map(jalv->symap, LV2_PARAMETERS__sampleRate); + jalv->urids.patch_Get = symap_map(jalv->symap, LV2_PATCH__Get); + jalv->urids.patch_Put = symap_map(jalv->symap, LV2_PATCH__Put); + jalv->urids.patch_Set = symap_map(jalv->symap, LV2_PATCH__Set); + jalv->urids.patch_body = symap_map(jalv->symap, LV2_PATCH__body); + jalv->urids.patch_property = symap_map(jalv->symap, LV2_PATCH__property); + jalv->urids.patch_value = symap_map(jalv->symap, LV2_PATCH__value); + jalv->urids.time_Position = symap_map(jalv->symap, LV2_TIME__Position); + jalv->urids.time_bar = symap_map(jalv->symap, LV2_TIME__bar); + jalv->urids.time_barBeat = symap_map(jalv->symap, LV2_TIME__barBeat); + jalv->urids.time_beatUnit = symap_map(jalv->symap, LV2_TIME__beatUnit); + jalv->urids.time_beatsPerBar = symap_map(jalv->symap, LV2_TIME__beatsPerBar); + jalv->urids.time_beatsPerMinute = + symap_map(jalv->symap, LV2_TIME__beatsPerMinute); + jalv->urids.time_frame = symap_map(jalv->symap, LV2_TIME__frame); + jalv->urids.time_speed = symap_map(jalv->symap, LV2_TIME__speed); + jalv->urids.ui_scaleFactor = symap_map(jalv->symap, LV2_UI__scaleFactor); + jalv->urids.ui_updateRate = symap_map(jalv->symap, LV2_UI__updateRate); #ifdef _WIN32 - jalv->temp_dir = jalv_strdup("jalvXXXXXX"); - _mktemp(jalv->temp_dir); + jalv->temp_dir = jalv_strdup("jalvXXXXXX"); + _mktemp(jalv->temp_dir); #else - char* templ = jalv_strdup("/tmp/jalv-XXXXXX"); - jalv->temp_dir = jalv_strjoin(mkdtemp(templ), "/"); - free(templ); + char* templ = jalv_strdup("/tmp/jalv-XXXXXX"); + jalv->temp_dir = jalv_strjoin(mkdtemp(templ), "/"); + free(templ); #endif - jalv->features.make_path.handle = jalv; - jalv->features.make_path.path = jalv_make_path; - init_feature(&jalv->features.make_path_feature, - LV2_STATE__makePath, &jalv->features.make_path); - - jalv->features.sched.handle = &jalv->worker; - jalv->features.sched.schedule_work = jalv_worker_schedule; - init_feature(&jalv->features.sched_feature, - LV2_WORKER__schedule, &jalv->features.sched); - - jalv->features.ssched.handle = &jalv->state_worker; - jalv->features.ssched.schedule_work = jalv_worker_schedule; - init_feature(&jalv->features.state_sched_feature, - LV2_WORKER__schedule, &jalv->features.ssched); - - jalv->features.llog.handle = jalv; - jalv->features.llog.printf = jalv_printf; - jalv->features.llog.vprintf = jalv_vprintf; - init_feature(&jalv->features.log_feature, - LV2_LOG__log, &jalv->features.llog); - - jalv->features.request_value.handle = jalv; - init_feature(&jalv->features.request_value_feature, - LV2_UI__requestValue, &jalv->features.request_value); - - zix_sem_init(&jalv->done, 0); - - zix_sem_init(&jalv->paused, 0); - zix_sem_init(&jalv->worker.sem, 0); - - /* Find all installed plugins */ - LilvWorld* world = lilv_world_new(); - lilv_world_load_all(world); - jalv->world = world; - const LilvPlugins* plugins = lilv_world_get_all_plugins(world); - - /* Cache URIs for concepts we'll use */ - jalv->nodes.atom_AtomPort = lilv_new_uri(world, LV2_ATOM__AtomPort); - jalv->nodes.atom_Chunk = lilv_new_uri(world, LV2_ATOM__Chunk); - jalv->nodes.atom_Float = lilv_new_uri(world, LV2_ATOM__Float); - jalv->nodes.atom_Path = lilv_new_uri(world, LV2_ATOM__Path); - jalv->nodes.atom_Sequence = lilv_new_uri(world, LV2_ATOM__Sequence); - jalv->nodes.lv2_AudioPort = lilv_new_uri(world, LV2_CORE__AudioPort); - jalv->nodes.lv2_CVPort = lilv_new_uri(world, LV2_CORE__CVPort); - jalv->nodes.lv2_ControlPort = lilv_new_uri(world, LV2_CORE__ControlPort); - jalv->nodes.lv2_InputPort = lilv_new_uri(world, LV2_CORE__InputPort); - jalv->nodes.lv2_OutputPort = lilv_new_uri(world, LV2_CORE__OutputPort); - jalv->nodes.lv2_connectionOptional = lilv_new_uri(world, LV2_CORE__connectionOptional); - jalv->nodes.lv2_control = lilv_new_uri(world, LV2_CORE__control); - jalv->nodes.lv2_default = lilv_new_uri(world, LV2_CORE__default); - jalv->nodes.lv2_enumeration = lilv_new_uri(world, LV2_CORE__enumeration); - jalv->nodes.lv2_extensionData = lilv_new_uri(world, LV2_CORE__extensionData); - jalv->nodes.lv2_integer = lilv_new_uri(world, LV2_CORE__integer); - jalv->nodes.lv2_maximum = lilv_new_uri(world, LV2_CORE__maximum); - jalv->nodes.lv2_minimum = lilv_new_uri(world, LV2_CORE__minimum); - jalv->nodes.lv2_name = lilv_new_uri(world, LV2_CORE__name); - jalv->nodes.lv2_reportsLatency = lilv_new_uri(world, LV2_CORE__reportsLatency); - jalv->nodes.lv2_sampleRate = lilv_new_uri(world, LV2_CORE__sampleRate); - jalv->nodes.lv2_symbol = lilv_new_uri(world, LV2_CORE__symbol); - jalv->nodes.lv2_toggled = lilv_new_uri(world, LV2_CORE__toggled); - jalv->nodes.midi_MidiEvent = lilv_new_uri(world, LV2_MIDI__MidiEvent); - jalv->nodes.pg_group = lilv_new_uri(world, LV2_PORT_GROUPS__group); - jalv->nodes.pprops_logarithmic = lilv_new_uri(world, LV2_PORT_PROPS__logarithmic); - jalv->nodes.pprops_notOnGUI = lilv_new_uri(world, LV2_PORT_PROPS__notOnGUI); - jalv->nodes.pprops_rangeSteps = lilv_new_uri(world, LV2_PORT_PROPS__rangeSteps); - jalv->nodes.pset_Preset = lilv_new_uri(world, LV2_PRESETS__Preset); - jalv->nodes.pset_bank = lilv_new_uri(world, LV2_PRESETS__bank); - jalv->nodes.rdfs_comment = lilv_new_uri(world, LILV_NS_RDFS "comment"); - jalv->nodes.rdfs_label = lilv_new_uri(world, LILV_NS_RDFS "label"); - jalv->nodes.rdfs_range = lilv_new_uri(world, LILV_NS_RDFS "range"); - jalv->nodes.rsz_minimumSize = lilv_new_uri(world, LV2_RESIZE_PORT__minimumSize); - jalv->nodes.ui_showInterface = lilv_new_uri(world, LV2_UI__showInterface); - jalv->nodes.work_interface = lilv_new_uri(world, LV2_WORKER__interface); - jalv->nodes.work_schedule = lilv_new_uri(world, LV2_WORKER__schedule); - jalv->nodes.end = NULL; - - /* Get plugin URI from loaded state or command line */ - LilvState* state = NULL; - LilvNode* plugin_uri = NULL; - if (jalv->opts.load) { - struct stat info; - stat(jalv->opts.load, &info); - if (S_ISDIR(info.st_mode)) { - char* path = jalv_strjoin(jalv->opts.load, "/state.ttl"); - state = lilv_state_new_from_file(jalv->world, &jalv->map, NULL, path); - free(path); - } else { - state = lilv_state_new_from_file(jalv->world, &jalv->map, NULL, - jalv->opts.load); - } - if (!state) { - fprintf(stderr, "Failed to load state from %s\n", jalv->opts.load); - jalv_close(jalv); - return -2; - } - plugin_uri = lilv_node_duplicate(lilv_state_get_plugin_uri(state)); - } else if (*argc > 1) { - plugin_uri = lilv_new_uri(world, (*argv)[*argc - 1]); - } - - if (!plugin_uri) { - fprintf(stderr, "Missing plugin URI, try lv2ls to list plugins\n"); - jalv_close(jalv); - return -3; - } - - /* Find plugin */ - printf("Plugin: %s\n", lilv_node_as_string(plugin_uri)); - jalv->plugin = lilv_plugins_get_by_uri(plugins, plugin_uri); - lilv_node_free(plugin_uri); - if (!jalv->plugin) { - fprintf(stderr, "Failed to find plugin\n"); - jalv_close(jalv); - return -4; - } - - /* Load preset, if specified */ - if (jalv->opts.preset) { - LilvNode* preset = lilv_new_uri(jalv->world, jalv->opts.preset); - - jalv_load_presets(jalv, NULL, NULL); - state = lilv_state_new_from_world(jalv->world, &jalv->map, preset); - jalv->preset = state; - lilv_node_free(preset); - if (!state) { - fprintf(stderr, "Failed to find preset <%s>\n", jalv->opts.preset); - jalv_close(jalv); - return -5; - } - } - - /* Check for thread-safe state restore() method. */ - LilvNode* state_threadSafeRestore = lilv_new_uri( - jalv->world, LV2_STATE__threadSafeRestore); - if (lilv_plugin_has_feature(jalv->plugin, state_threadSafeRestore)) { - jalv->safe_restore = true; - } - lilv_node_free(state_threadSafeRestore); - - if (!state) { - /* Not restoring state, load the plugin as a preset to get default */ - state = lilv_state_new_from_world( - jalv->world, &jalv->map, lilv_plugin_get_uri(jalv->plugin)); - } - - /* Get a plugin UI */ - jalv->uis = lilv_plugin_get_uis(jalv->plugin); - if (!jalv->opts.generic_ui) { - if ((jalv->ui = jalv_select_custom_ui(jalv))) { - const char* host_type_uri = jalv_native_ui_type(); - if (host_type_uri) { - LilvNode* host_type = lilv_new_uri(jalv->world, host_type_uri); - - if (!lilv_ui_is_supported(jalv->ui, - suil_ui_supported, - host_type, - &jalv->ui_type)) { - jalv->ui = NULL; - } - - lilv_node_free(host_type); - } - } - } - - /* Create ringbuffers for UI if necessary */ - if (jalv->ui) { - fprintf(stderr, "UI: %s\n", - lilv_node_as_uri(lilv_ui_get_uri(jalv->ui))); - } else { - fprintf(stderr, "UI: None\n"); - } - - /* Create port and control structures */ - jalv_create_ports(jalv); - jalv_create_controls(jalv, true); - jalv_create_controls(jalv, false); - - if (!(jalv->backend = jalv_backend_init(jalv))) { - fprintf(stderr, "Failed to connect to audio system\n"); - jalv_close(jalv); - return -6; - } - - printf("Sample rate: %u Hz\n", (uint32_t)jalv->sample_rate); - printf("Block length: %u frames\n", jalv->block_length); - printf("MIDI buffers: %zu bytes\n", jalv->midi_buf_size); - - if (jalv->opts.buffer_size == 0) { - /* The UI ring is fed by plugin output ports (usually one), and the UI - updates roughly once per cycle. The ring size is a few times the - size of the MIDI output to give the UI a chance to keep up. The UI - should be able to keep up with 4 cycles, and tests show this works - for me, but this value might need increasing to avoid overflows. - */ - jalv->opts.buffer_size = jalv->midi_buf_size * N_BUFFER_CYCLES; - } - - if (jalv->opts.update_rate == 0.0) { - /* Calculate a reasonable UI update frequency. */ - jalv->ui_update_hz = jalv_ui_refresh_rate(jalv); - } else { - /* Use user-specified UI update rate. */ - jalv->ui_update_hz = jalv->opts.update_rate; - jalv->ui_update_hz = MAX(1.0f, jalv->ui_update_hz); - } - - if (jalv->opts.scale_factor == 0.0) { - /* Calculate the monitor's scale factor. */ - jalv->ui_scale_factor = jalv_ui_scale_factor(jalv); - } else { - /* Use user-specified UI scale factor. */ - jalv->ui_scale_factor = jalv->opts.scale_factor; - } - - /* The UI can only go so fast, clamp to reasonable limits */ - jalv->ui_update_hz = MIN(60, jalv->ui_update_hz); - jalv->opts.buffer_size = MAX(4096, jalv->opts.buffer_size); - fprintf(stderr, "Comm buffers: %u bytes\n", jalv->opts.buffer_size); - fprintf(stderr, "Update rate: %.01f Hz\n", jalv->ui_update_hz); - fprintf(stderr, "Scale factor: %.01f\n", jalv->ui_scale_factor); - - /* Build options array to pass to plugin */ - const LV2_Options_Option options[ARRAY_SIZE(jalv->features.options)] = { - { LV2_OPTIONS_INSTANCE, 0, jalv->urids.param_sampleRate, - sizeof(float), jalv->urids.atom_Float, &jalv->sample_rate }, - { LV2_OPTIONS_INSTANCE, 0, jalv->urids.bufsz_minBlockLength, - sizeof(int32_t), jalv->urids.atom_Int, &jalv->block_length }, - { LV2_OPTIONS_INSTANCE, 0, jalv->urids.bufsz_maxBlockLength, - sizeof(int32_t), jalv->urids.atom_Int, &jalv->block_length }, - { LV2_OPTIONS_INSTANCE, 0, jalv->urids.bufsz_sequenceSize, - sizeof(int32_t), jalv->urids.atom_Int, &jalv->midi_buf_size }, - { LV2_OPTIONS_INSTANCE, 0, jalv->urids.ui_updateRate, - sizeof(float), jalv->urids.atom_Float, &jalv->ui_update_hz }, - { LV2_OPTIONS_INSTANCE, 0, jalv->urids.ui_scaleFactor, - sizeof(float), jalv->urids.atom_Float, &jalv->ui_scale_factor }, - { LV2_OPTIONS_INSTANCE, 0, 0, 0, 0, NULL } - }; - memcpy(jalv->features.options, options, sizeof(jalv->features.options)); - - init_feature(&jalv->features.options_feature, - LV2_OPTIONS__options, - (void*)jalv->features.options); - - init_feature(&jalv->features.safe_restore_feature, - LV2_STATE__threadSafeRestore, - NULL); - - /* Create Plugin <=> UI communication buffers */ - jalv->ui_events = zix_ring_new(jalv->opts.buffer_size); - jalv->plugin_events = zix_ring_new(jalv->opts.buffer_size); - zix_ring_mlock(jalv->ui_events); - zix_ring_mlock(jalv->plugin_events); - - /* Build feature list for passing to plugins */ - const LV2_Feature* const features[] = { - &jalv->features.map_feature, - &jalv->features.unmap_feature, - &jalv->features.sched_feature, - &jalv->features.log_feature, - &jalv->features.options_feature, - &static_features[0], - &static_features[1], - &static_features[2], - &static_features[3], - NULL - }; - jalv->feature_list = calloc(1, sizeof(features)); - if (!jalv->feature_list) { - fprintf(stderr, "Failed to allocate feature list\n"); - jalv_close(jalv); - return -7; - } - memcpy(jalv->feature_list, features, sizeof(features)); - - /* Check that any required features are supported */ - LilvNodes* req_feats = lilv_plugin_get_required_features(jalv->plugin); - LILV_FOREACH(nodes, f, req_feats) { - const char* uri = lilv_node_as_uri(lilv_nodes_get(req_feats, f)); - if (!feature_is_supported(jalv, uri)) { - fprintf(stderr, "Feature %s is not supported\n", uri); - jalv_close(jalv); - return -8; - } - } - lilv_nodes_free(req_feats); - - /* Instantiate the plugin */ - jalv->instance = lilv_plugin_instantiate( - jalv->plugin, jalv->sample_rate, jalv->feature_list); - if (!jalv->instance) { - fprintf(stderr, "Failed to instantiate plugin.\n"); - jalv_close(jalv); - return -9; - } - - jalv->features.ext_data.data_access = - lilv_instance_get_descriptor(jalv->instance)->extension_data; - - fprintf(stderr, "\n"); - if (!jalv->buf_size_set) { - jalv_allocate_port_buffers(jalv); - } - - /* Create workers if necessary */ - if (lilv_plugin_has_extension_data(jalv->plugin, jalv->nodes.work_interface)) { - const LV2_Worker_Interface* iface = (const LV2_Worker_Interface*) - lilv_instance_get_extension_data(jalv->instance, LV2_WORKER__interface); - - jalv_worker_init(jalv, &jalv->worker, iface, true); - if (jalv->safe_restore) { - jalv_worker_init(jalv, &jalv->state_worker, iface, false); - } - } - - /* Apply loaded state to plugin instance if necessary */ - if (state) { - jalv_apply_state(jalv, state); - } - - if (jalv->opts.controls) { - for (char** c = jalv->opts.controls; *c; ++c) { - jalv_apply_control_arg(jalv, *c); - } - } - - /* Create Jack ports and connect plugin ports to buffers */ - for (uint32_t i = 0; i < jalv->num_ports; ++i) { - jalv_backend_activate_port(jalv, i); - } - - /* Print initial control values */ - for (size_t i = 0; i < jalv->controls.n_controls; ++i) { - ControlID* control = jalv->controls.controls[i]; - if (control->type == PORT && control->is_writable) { - struct Port* port = &jalv->ports[control->index]; - jalv_print_control(jalv, port, port->control); - } - } - - /* Activate plugin */ - lilv_instance_activate(jalv->instance); - - /* Discover UI */ - jalv->has_ui = jalv_discover_ui(jalv); - - /* Activate Jack */ - jalv_backend_activate(jalv); - jalv->play_state = JALV_RUNNING; - - return 0; + jalv->features.make_path.handle = jalv; + jalv->features.make_path.path = jalv_make_path; + init_feature(&jalv->features.make_path_feature, + LV2_STATE__makePath, + &jalv->features.make_path); + + jalv->features.sched.handle = &jalv->worker; + jalv->features.sched.schedule_work = jalv_worker_schedule; + init_feature( + &jalv->features.sched_feature, LV2_WORKER__schedule, &jalv->features.sched); + + jalv->features.ssched.handle = &jalv->state_worker; + jalv->features.ssched.schedule_work = jalv_worker_schedule; + init_feature(&jalv->features.state_sched_feature, + LV2_WORKER__schedule, + &jalv->features.ssched); + + jalv->features.llog.handle = jalv; + jalv->features.llog.printf = jalv_printf; + jalv->features.llog.vprintf = jalv_vprintf; + init_feature(&jalv->features.log_feature, LV2_LOG__log, &jalv->features.llog); + + jalv->features.request_value.handle = jalv; + init_feature(&jalv->features.request_value_feature, + LV2_UI__requestValue, + &jalv->features.request_value); + + zix_sem_init(&jalv->done, 0); + + zix_sem_init(&jalv->paused, 0); + zix_sem_init(&jalv->worker.sem, 0); + + /* Find all installed plugins */ + LilvWorld* world = lilv_world_new(); + lilv_world_load_all(world); + jalv->world = world; + const LilvPlugins* plugins = lilv_world_get_all_plugins(world); + + /* Cache URIs for concepts we'll use */ + jalv->nodes.atom_AtomPort = lilv_new_uri(world, LV2_ATOM__AtomPort); + jalv->nodes.atom_Chunk = lilv_new_uri(world, LV2_ATOM__Chunk); + jalv->nodes.atom_Float = lilv_new_uri(world, LV2_ATOM__Float); + jalv->nodes.atom_Path = lilv_new_uri(world, LV2_ATOM__Path); + jalv->nodes.atom_Sequence = lilv_new_uri(world, LV2_ATOM__Sequence); + jalv->nodes.lv2_AudioPort = lilv_new_uri(world, LV2_CORE__AudioPort); + jalv->nodes.lv2_CVPort = lilv_new_uri(world, LV2_CORE__CVPort); + jalv->nodes.lv2_ControlPort = lilv_new_uri(world, LV2_CORE__ControlPort); + jalv->nodes.lv2_InputPort = lilv_new_uri(world, LV2_CORE__InputPort); + jalv->nodes.lv2_OutputPort = lilv_new_uri(world, LV2_CORE__OutputPort); + jalv->nodes.lv2_connectionOptional = + lilv_new_uri(world, LV2_CORE__connectionOptional); + jalv->nodes.lv2_control = lilv_new_uri(world, LV2_CORE__control); + jalv->nodes.lv2_default = lilv_new_uri(world, LV2_CORE__default); + jalv->nodes.lv2_enumeration = lilv_new_uri(world, LV2_CORE__enumeration); + jalv->nodes.lv2_extensionData = lilv_new_uri(world, LV2_CORE__extensionData); + jalv->nodes.lv2_integer = lilv_new_uri(world, LV2_CORE__integer); + jalv->nodes.lv2_maximum = lilv_new_uri(world, LV2_CORE__maximum); + jalv->nodes.lv2_minimum = lilv_new_uri(world, LV2_CORE__minimum); + jalv->nodes.lv2_name = lilv_new_uri(world, LV2_CORE__name); + jalv->nodes.lv2_reportsLatency = + lilv_new_uri(world, LV2_CORE__reportsLatency); + jalv->nodes.lv2_sampleRate = lilv_new_uri(world, LV2_CORE__sampleRate); + jalv->nodes.lv2_symbol = lilv_new_uri(world, LV2_CORE__symbol); + jalv->nodes.lv2_toggled = lilv_new_uri(world, LV2_CORE__toggled); + jalv->nodes.midi_MidiEvent = lilv_new_uri(world, LV2_MIDI__MidiEvent); + jalv->nodes.pg_group = lilv_new_uri(world, LV2_PORT_GROUPS__group); + jalv->nodes.pprops_logarithmic = + lilv_new_uri(world, LV2_PORT_PROPS__logarithmic); + jalv->nodes.pprops_notOnGUI = lilv_new_uri(world, LV2_PORT_PROPS__notOnGUI); + jalv->nodes.pprops_rangeSteps = + lilv_new_uri(world, LV2_PORT_PROPS__rangeSteps); + jalv->nodes.pset_Preset = lilv_new_uri(world, LV2_PRESETS__Preset); + jalv->nodes.pset_bank = lilv_new_uri(world, LV2_PRESETS__bank); + jalv->nodes.rdfs_comment = lilv_new_uri(world, LILV_NS_RDFS "comment"); + jalv->nodes.rdfs_label = lilv_new_uri(world, LILV_NS_RDFS "label"); + jalv->nodes.rdfs_range = lilv_new_uri(world, LILV_NS_RDFS "range"); + jalv->nodes.rsz_minimumSize = + lilv_new_uri(world, LV2_RESIZE_PORT__minimumSize); + jalv->nodes.ui_showInterface = lilv_new_uri(world, LV2_UI__showInterface); + jalv->nodes.work_interface = lilv_new_uri(world, LV2_WORKER__interface); + jalv->nodes.work_schedule = lilv_new_uri(world, LV2_WORKER__schedule); + jalv->nodes.end = NULL; + + /* Get plugin URI from loaded state or command line */ + LilvState* state = NULL; + LilvNode* plugin_uri = NULL; + if (jalv->opts.load) { + struct stat info; + stat(jalv->opts.load, &info); + if (S_ISDIR(info.st_mode)) { + char* path = jalv_strjoin(jalv->opts.load, "/state.ttl"); + state = lilv_state_new_from_file(jalv->world, &jalv->map, NULL, path); + free(path); + } else { + state = lilv_state_new_from_file( + jalv->world, &jalv->map, NULL, jalv->opts.load); + } + if (!state) { + fprintf(stderr, "Failed to load state from %s\n", jalv->opts.load); + jalv_close(jalv); + return -2; + } + plugin_uri = lilv_node_duplicate(lilv_state_get_plugin_uri(state)); + } else if (*argc > 1) { + plugin_uri = lilv_new_uri(world, (*argv)[*argc - 1]); + } + + if (!plugin_uri) { + fprintf(stderr, "Missing plugin URI, try lv2ls to list plugins\n"); + jalv_close(jalv); + return -3; + } + + /* Find plugin */ + printf("Plugin: %s\n", lilv_node_as_string(plugin_uri)); + jalv->plugin = lilv_plugins_get_by_uri(plugins, plugin_uri); + lilv_node_free(plugin_uri); + if (!jalv->plugin) { + fprintf(stderr, "Failed to find plugin\n"); + jalv_close(jalv); + return -4; + } + + /* Load preset, if specified */ + if (jalv->opts.preset) { + LilvNode* preset = lilv_new_uri(jalv->world, jalv->opts.preset); + + jalv_load_presets(jalv, NULL, NULL); + state = lilv_state_new_from_world(jalv->world, &jalv->map, preset); + jalv->preset = state; + lilv_node_free(preset); + if (!state) { + fprintf(stderr, "Failed to find preset <%s>\n", jalv->opts.preset); + jalv_close(jalv); + return -5; + } + } + + /* Check for thread-safe state restore() method. */ + LilvNode* state_threadSafeRestore = + lilv_new_uri(jalv->world, LV2_STATE__threadSafeRestore); + if (lilv_plugin_has_feature(jalv->plugin, state_threadSafeRestore)) { + jalv->safe_restore = true; + } + lilv_node_free(state_threadSafeRestore); + + if (!state) { + /* Not restoring state, load the plugin as a preset to get default */ + state = lilv_state_new_from_world( + jalv->world, &jalv->map, lilv_plugin_get_uri(jalv->plugin)); + } + + /* Get a plugin UI */ + jalv->uis = lilv_plugin_get_uis(jalv->plugin); + if (!jalv->opts.generic_ui) { + if ((jalv->ui = jalv_select_custom_ui(jalv))) { + const char* host_type_uri = jalv_native_ui_type(); + if (host_type_uri) { + LilvNode* host_type = lilv_new_uri(jalv->world, host_type_uri); + + if (!lilv_ui_is_supported( + jalv->ui, suil_ui_supported, host_type, &jalv->ui_type)) { + jalv->ui = NULL; + } + + lilv_node_free(host_type); + } + } + } + + /* Create ringbuffers for UI if necessary */ + if (jalv->ui) { + fprintf(stderr, + "UI: %s\n", + lilv_node_as_uri(lilv_ui_get_uri(jalv->ui))); + } else { + fprintf(stderr, "UI: None\n"); + } + + /* Create port and control structures */ + jalv_create_ports(jalv); + jalv_create_controls(jalv, true); + jalv_create_controls(jalv, false); + + if (!(jalv->backend = jalv_backend_init(jalv))) { + fprintf(stderr, "Failed to connect to audio system\n"); + jalv_close(jalv); + return -6; + } + + printf("Sample rate: %u Hz\n", (uint32_t)jalv->sample_rate); + printf("Block length: %u frames\n", jalv->block_length); + printf("MIDI buffers: %zu bytes\n", jalv->midi_buf_size); + + if (jalv->opts.buffer_size == 0) { + /* The UI ring is fed by plugin output ports (usually one), and the UI + updates roughly once per cycle. The ring size is a few times the + size of the MIDI output to give the UI a chance to keep up. The UI + should be able to keep up with 4 cycles, and tests show this works + for me, but this value might need increasing to avoid overflows. + */ + jalv->opts.buffer_size = jalv->midi_buf_size * N_BUFFER_CYCLES; + } + + if (jalv->opts.update_rate == 0.0) { + /* Calculate a reasonable UI update frequency. */ + jalv->ui_update_hz = jalv_ui_refresh_rate(jalv); + } else { + /* Use user-specified UI update rate. */ + jalv->ui_update_hz = jalv->opts.update_rate; + jalv->ui_update_hz = MAX(1.0f, jalv->ui_update_hz); + } + + if (jalv->opts.scale_factor == 0.0) { + /* Calculate the monitor's scale factor. */ + jalv->ui_scale_factor = jalv_ui_scale_factor(jalv); + } else { + /* Use user-specified UI scale factor. */ + jalv->ui_scale_factor = jalv->opts.scale_factor; + } + + /* The UI can only go so fast, clamp to reasonable limits */ + jalv->ui_update_hz = MIN(60, jalv->ui_update_hz); + jalv->opts.buffer_size = MAX(4096, jalv->opts.buffer_size); + fprintf(stderr, "Comm buffers: %u bytes\n", jalv->opts.buffer_size); + fprintf(stderr, "Update rate: %.01f Hz\n", jalv->ui_update_hz); + fprintf(stderr, "Scale factor: %.01f\n", jalv->ui_scale_factor); + + /* Build options array to pass to plugin */ + const LV2_Options_Option options[ARRAY_SIZE(jalv->features.options)] = { + {LV2_OPTIONS_INSTANCE, + 0, + jalv->urids.param_sampleRate, + sizeof(float), + jalv->urids.atom_Float, + &jalv->sample_rate}, + {LV2_OPTIONS_INSTANCE, + 0, + jalv->urids.bufsz_minBlockLength, + sizeof(int32_t), + jalv->urids.atom_Int, + &jalv->block_length}, + {LV2_OPTIONS_INSTANCE, + 0, + jalv->urids.bufsz_maxBlockLength, + sizeof(int32_t), + jalv->urids.atom_Int, + &jalv->block_length}, + {LV2_OPTIONS_INSTANCE, + 0, + jalv->urids.bufsz_sequenceSize, + sizeof(int32_t), + jalv->urids.atom_Int, + &jalv->midi_buf_size}, + {LV2_OPTIONS_INSTANCE, + 0, + jalv->urids.ui_updateRate, + sizeof(float), + jalv->urids.atom_Float, + &jalv->ui_update_hz}, + {LV2_OPTIONS_INSTANCE, + 0, + jalv->urids.ui_scaleFactor, + sizeof(float), + jalv->urids.atom_Float, + &jalv->ui_scale_factor}, + {LV2_OPTIONS_INSTANCE, 0, 0, 0, 0, NULL}}; + memcpy(jalv->features.options, options, sizeof(jalv->features.options)); + + init_feature(&jalv->features.options_feature, + LV2_OPTIONS__options, + (void*)jalv->features.options); + + init_feature( + &jalv->features.safe_restore_feature, LV2_STATE__threadSafeRestore, NULL); + + /* Create Plugin <=> UI communication buffers */ + jalv->ui_events = zix_ring_new(jalv->opts.buffer_size); + jalv->plugin_events = zix_ring_new(jalv->opts.buffer_size); + zix_ring_mlock(jalv->ui_events); + zix_ring_mlock(jalv->plugin_events); + + /* Build feature list for passing to plugins */ + const LV2_Feature* const features[] = {&jalv->features.map_feature, + &jalv->features.unmap_feature, + &jalv->features.sched_feature, + &jalv->features.log_feature, + &jalv->features.options_feature, + &static_features[0], + &static_features[1], + &static_features[2], + &static_features[3], + NULL}; + jalv->feature_list = calloc(1, sizeof(features)); + if (!jalv->feature_list) { + fprintf(stderr, "Failed to allocate feature list\n"); + jalv_close(jalv); + return -7; + } + memcpy(jalv->feature_list, features, sizeof(features)); + + /* Check that any required features are supported */ + LilvNodes* req_feats = lilv_plugin_get_required_features(jalv->plugin); + LILV_FOREACH (nodes, f, req_feats) { + const char* uri = lilv_node_as_uri(lilv_nodes_get(req_feats, f)); + if (!feature_is_supported(jalv, uri)) { + fprintf(stderr, "Feature %s is not supported\n", uri); + jalv_close(jalv); + return -8; + } + } + lilv_nodes_free(req_feats); + + /* Instantiate the plugin */ + jalv->instance = lilv_plugin_instantiate( + jalv->plugin, jalv->sample_rate, jalv->feature_list); + if (!jalv->instance) { + fprintf(stderr, "Failed to instantiate plugin.\n"); + jalv_close(jalv); + return -9; + } + + jalv->features.ext_data.data_access = + lilv_instance_get_descriptor(jalv->instance)->extension_data; + + fprintf(stderr, "\n"); + if (!jalv->buf_size_set) { + jalv_allocate_port_buffers(jalv); + } + + /* Create workers if necessary */ + if (lilv_plugin_has_extension_data(jalv->plugin, + jalv->nodes.work_interface)) { + const LV2_Worker_Interface* iface = + (const LV2_Worker_Interface*)lilv_instance_get_extension_data( + jalv->instance, LV2_WORKER__interface); + + jalv_worker_init(jalv, &jalv->worker, iface, true); + if (jalv->safe_restore) { + jalv_worker_init(jalv, &jalv->state_worker, iface, false); + } + } + + /* Apply loaded state to plugin instance if necessary */ + if (state) { + jalv_apply_state(jalv, state); + } + + if (jalv->opts.controls) { + for (char** c = jalv->opts.controls; *c; ++c) { + jalv_apply_control_arg(jalv, *c); + } + } + + /* Create Jack ports and connect plugin ports to buffers */ + for (uint32_t i = 0; i < jalv->num_ports; ++i) { + jalv_backend_activate_port(jalv, i); + } + + /* Print initial control values */ + for (size_t i = 0; i < jalv->controls.n_controls; ++i) { + ControlID* control = jalv->controls.controls[i]; + if (control->type == PORT && control->is_writable) { + struct Port* port = &jalv->ports[control->index]; + jalv_print_control(jalv, port, port->control); + } + } + + /* Activate plugin */ + lilv_instance_activate(jalv->instance); + + /* Discover UI */ + jalv->has_ui = jalv_discover_ui(jalv); + + /* Activate Jack */ + jalv_backend_activate(jalv); + jalv->play_state = JALV_RUNNING; + + return 0; } int jalv_close(Jalv* const jalv) { - jalv->exit = true; + jalv->exit = true; - fprintf(stderr, "Exiting...\n"); + fprintf(stderr, "Exiting...\n"); - /* Terminate the worker */ - jalv_worker_finish(&jalv->worker); + /* Terminate the worker */ + jalv_worker_finish(&jalv->worker); - /* Deactivate audio */ - jalv_backend_deactivate(jalv); - for (uint32_t i = 0; i < jalv->num_ports; ++i) { - if (jalv->ports[i].evbuf) { - lv2_evbuf_free(jalv->ports[i].evbuf); - } - } - jalv_backend_close(jalv); + /* Deactivate audio */ + jalv_backend_deactivate(jalv); + for (uint32_t i = 0; i < jalv->num_ports; ++i) { + if (jalv->ports[i].evbuf) { + lv2_evbuf_free(jalv->ports[i].evbuf); + } + } + jalv_backend_close(jalv); - /* Destroy the worker */ - jalv_worker_destroy(&jalv->worker); + /* Destroy the worker */ + jalv_worker_destroy(&jalv->worker); - /* Deactivate plugin */ + /* Deactivate plugin */ #ifdef HAVE_SUIL - suil_instance_free(jalv->ui_instance); + suil_instance_free(jalv->ui_instance); #endif - if (jalv->instance) { - lilv_instance_deactivate(jalv->instance); - lilv_instance_free(jalv->instance); - } - - /* Clean up */ - free(jalv->ports); - zix_ring_free(jalv->ui_events); - zix_ring_free(jalv->plugin_events); - for (LilvNode** n = (LilvNode**)&jalv->nodes; *n; ++n) { - lilv_node_free(*n); - } - symap_free(jalv->symap); - zix_sem_destroy(&jalv->symap_lock); + if (jalv->instance) { + lilv_instance_deactivate(jalv->instance); + lilv_instance_free(jalv->instance); + } + + /* Clean up */ + free(jalv->ports); + zix_ring_free(jalv->ui_events); + zix_ring_free(jalv->plugin_events); + for (LilvNode** n = (LilvNode**)&jalv->nodes; *n; ++n) { + lilv_node_free(*n); + } + symap_free(jalv->symap); + zix_sem_destroy(&jalv->symap_lock); #ifdef HAVE_SUIL - suil_host_free(jalv->ui_host); + suil_host_free(jalv->ui_host); #endif - for (unsigned i = 0; i < jalv->controls.n_controls; ++i) { - ControlID* const control = jalv->controls.controls[i]; - lilv_node_free(control->node); - lilv_node_free(control->symbol); - lilv_node_free(control->label); - lilv_node_free(control->group); - lilv_node_free(control->min); - lilv_node_free(control->max); - lilv_node_free(control->def); - free(control); - } - free(jalv->controls.controls); - - if (jalv->sratom) { - sratom_free(jalv->sratom); - } - if (jalv->ui_sratom) { - sratom_free(jalv->ui_sratom); - } - lilv_uis_free(jalv->uis); - lilv_world_free(jalv->world); - - zix_sem_destroy(&jalv->done); - - remove(jalv->temp_dir); - free(jalv->temp_dir); - free(jalv->ui_event_buf); - free(jalv->feature_list); - - free(jalv->opts.name); - free(jalv->opts.load); - free(jalv->opts.controls); - - return 0; + for (unsigned i = 0; i < jalv->controls.n_controls; ++i) { + ControlID* const control = jalv->controls.controls[i]; + lilv_node_free(control->node); + lilv_node_free(control->symbol); + lilv_node_free(control->label); + lilv_node_free(control->group); + lilv_node_free(control->min); + lilv_node_free(control->max); + lilv_node_free(control->def); + free(control); + } + free(jalv->controls.controls); + + if (jalv->sratom) { + sratom_free(jalv->sratom); + } + if (jalv->ui_sratom) { + sratom_free(jalv->ui_sratom); + } + lilv_uis_free(jalv->uis); + lilv_world_free(jalv->world); + + zix_sem_destroy(&jalv->done); + + remove(jalv->temp_dir); + free(jalv->temp_dir); + free(jalv->ui_event_buf); + free(jalv->feature_list); + + free(jalv->opts.name); + free(jalv->opts.load); + free(jalv->opts.controls); + + return 0; } int main(int argc, char** argv) { - Jalv jalv; - memset(&jalv, '\0', sizeof(Jalv)); + Jalv jalv; + memset(&jalv, '\0', sizeof(Jalv)); - if (jalv_open(&jalv, &argc, &argv)) { - return EXIT_FAILURE; - } + if (jalv_open(&jalv, &argc, &argv)) { + return EXIT_FAILURE; + } - /* Set up signal handlers */ - setup_signals(&jalv); + /* Set up signal handlers */ + setup_signals(&jalv); - /* Run UI (or prompt at console) */ - jalv_open_ui(&jalv); + /* Run UI (or prompt at console) */ + jalv_open_ui(&jalv); - /* Wait for finish signal from UI or signal handler */ - zix_sem_wait(&jalv.done); + /* Wait for finish signal from UI or signal handler */ + zix_sem_wait(&jalv.done); - return jalv_close(&jalv); + return jalv_close(&jalv); } |