diff options
Diffstat (limited to 'plugins/eg-sampler.lv2')
-rw-r--r-- | plugins/eg-sampler.lv2/sampler.c | 94 | ||||
-rw-r--r-- | plugins/eg-sampler.lv2/sampler_ui.c | 40 | ||||
-rw-r--r-- | plugins/eg-sampler.lv2/uris.h | 62 |
3 files changed, 77 insertions, 119 deletions
diff --git a/plugins/eg-sampler.lv2/sampler.c b/plugins/eg-sampler.lv2/sampler.c index 904f026..043f629 100644 --- a/plugins/eg-sampler.lv2/sampler.c +++ b/plugins/eg-sampler.lv2/sampler.c @@ -63,11 +63,10 @@ enum { static const char* default_sample_file = "monosample.wav"; typedef struct { - SF_INFO info; /**< Info about sample from sndfile */ - float* data; /**< Sample data in float */ - char* uri; /**< URI of file */ - const char* path; /**< Path of file (pointer into uri) */ - size_t uri_len; /**< Length of uri. */ + SF_INFO info; /**< Info about sample from sndfile */ + float* data; /**< Sample data in float */ + char* path; /**< Path of file */ + size_t path_len; /**< Length of path */ } Sample; typedef struct { @@ -110,41 +109,10 @@ typedef struct { Sample* sample; } SampleMessage; -static bool -parse_file_uri(const char* uri, - const char** host, size_t* host_len, - const char** path, size_t* path_len) -{ - if (strncmp(uri, "file://", strlen("file://"))) { - return false; - } - - *host = uri + strlen("file://"); - const char* host_end = *host; - for (; *host_end && *host_end != '/'; ++host_end) {} - - *host_len = host_end - *host; - *path = host_end; - *path_len = (uri + strlen(uri)) - host_end; - - return true; -} - static Sample* -load_sample(Sampler* plugin, const char* uri) +load_sample(Sampler* plugin, const char* path) { - const size_t uri_len = strlen(uri); - const char* host = NULL; - const char* path = NULL; - size_t host_len = 0; - size_t path_len = 0; - if (!parse_file_uri(uri, &host, &host_len, &path, &path_len)) { - fprintf(stderr, "Request to load bad file URI %s\n", uri); - return NULL; - } - - /* Probably should check if the host is local here, but we'll just - blissfully attempt to load the path on this machine... */ + const size_t path_len = strlen(path); printf("Loading sample %s\n", path); Sample* const sample = (Sample*)malloc(sizeof(Sample)); @@ -168,11 +136,10 @@ load_sample(Sampler* plugin, const char* uri) sf_close(sndfile); /* Fill sample struct and return it. */ - sample->data = data; - sample->uri = (char*)malloc(uri_len + 1); - sample->path = sample->uri + (path - uri); - sample->uri_len = uri_len; - memcpy(sample->uri, uri, uri_len + 1); + sample->data = data; + sample->path = (char*)malloc(path_len + 1); + sample->path_len = path_len; + memcpy(sample->path, path, path_len + 1); return sample; } @@ -181,14 +148,14 @@ static bool handle_set_message(Sampler* plugin, const LV2_Atom_Object* obj) { - /* Get file URI from message */ - const LV2_Atom* file_uri = get_msg_file_uri(&plugin->uris, obj); - if (!file_uri) { + /* Get file path from message */ + const LV2_Atom* file_path = get_msg_file_path(&plugin->uris, obj); + if (!file_path) { return false; } /* Load sample. */ - Sample* sample = load_sample(plugin, LV2_ATOM_BODY(file_uri)); + Sample* sample = load_sample(plugin, LV2_ATOM_BODY(file_path)); if (sample) { /* Loaded sample, send it to run() to be applied. */ const SampleMessage msg = { @@ -206,10 +173,12 @@ handle_set_message(Sampler* plugin, void free_sample(Sample* sample) { - fprintf(stderr, "Freeing %s\n", sample->uri); - free(sample->uri); - free(sample->data); - free(sample); + if (sample) { + fprintf(stderr, "Freeing %s\n", sample->path); + free(sample->path); + free(sample->data); + free(sample); + } } void* @@ -441,23 +410,10 @@ run(LV2_Handle instance, plugin->sample = m.sample; /* Send a notification that we're using a new sample. */ - lv2_atom_forge_audio_time(&plugin->forge, 0, 0); - - LV2_Atom_Forge_Frame set_frame; - lv2_atom_forge_blank(&plugin->forge, &set_frame, 1, uris->msg_Set); - - lv2_atom_forge_property_head(&plugin->forge, uris->msg_body, 0); - LV2_Atom_Forge_Frame body_frame; - lv2_atom_forge_blank(&plugin->forge, &body_frame, 2, 0); - - lv2_atom_forge_property_head(&plugin->forge, uris->eg_file, 0); - lv2_atom_forge_uri(&plugin->forge, - (const uint8_t*)plugin->sample->uri, - plugin->sample->uri_len); - - lv2_atom_forge_pop(&plugin->forge, &body_frame); - lv2_atom_forge_pop(&plugin->forge, &set_frame); + write_set_filename_msg(&plugin->forge, uris, + plugin->sample->path, + plugin->sample->path_len); } else { fprintf(stderr, "Unknown message from worker\n"); @@ -476,7 +432,7 @@ save(LV2_Handle instance, { LV2_State_Map_Path* map_path = NULL; for (int i = 0; features[i]; ++i) { - if (!strcmp(features[i]->URI, LV2_STATE_MAP_PATH_URI)) { + if (!strcmp(features[i]->URI, LV2_STATE__mapPath)) { map_path = (LV2_State_Map_Path*)features[i]->data; } } @@ -489,7 +445,7 @@ save(LV2_Handle instance, plugin->uris.eg_file, apath, strlen(plugin->sample->path) + 1, - plugin->uris.state_Path, + plugin->uris.atom_Path, LV2_STATE_IS_POD | LV2_STATE_IS_PORTABLE); free(apath); diff --git a/plugins/eg-sampler.lv2/sampler_ui.c b/plugins/eg-sampler.lv2/sampler_ui.c index 056f0bb..2c039a5 100644 --- a/plugins/eg-sampler.lv2/sampler_ui.c +++ b/plugins/eg-sampler.lv2/sampler_ui.c @@ -75,46 +75,18 @@ on_load_clicked(GtkWidget* widget, /* Got what we need, destroy the dialog. */ gtk_widget_destroy(dialog); - /* Build a complete file URI with hostname, e.g. file://hal/home/me/foo.wav - This is to precisely specify the file location, even if the plugin is - running on a different host (which is entirely possible). Plugins - should do this even though some hosts may not support such setups. - */ - const char* hostname = g_get_host_name(); - char* file_uri = g_filename_to_uri(filename, hostname, NULL); - const size_t file_uri_len = strlen(file_uri); - #define OBJ_BUF_SIZE 1024 uint8_t obj_buf[OBJ_BUF_SIZE]; lv2_atom_forge_set_buffer(&ui->forge, obj_buf, OBJ_BUF_SIZE); - /* Send [ - * a msg:Set ; - * msg:body [ - * eg-sampler:filename <file://hal/home/me/foo.wav> ; - * ] ; - * ] - */ - LV2_Atom_Forge_Frame set_frame; - LV2_Atom* set = (LV2_Atom*)lv2_atom_forge_blank( - &ui->forge, &set_frame, 1, ui->uris.msg_Set); - - lv2_atom_forge_property_head(&ui->forge, ui->uris.msg_body, 0); - LV2_Atom_Forge_Frame body_frame; - lv2_atom_forge_blank(&ui->forge, &body_frame, 2, 0); - - lv2_atom_forge_property_head(&ui->forge, ui->uris.eg_file, 0); - lv2_atom_forge_uri(&ui->forge, (const uint8_t*)file_uri, file_uri_len); - - ui->write(ui->controller, 0, lv2_atom_total_size(set), - ui->uris.atom_eventTransfer, - set); + LV2_Atom* msg = write_set_filename_msg(&ui->forge, &ui->uris, + filename, strlen(filename)); - lv2_atom_forge_pop(&ui->forge, &body_frame); - lv2_atom_forge_pop(&ui->forge, &set_frame); + ui->write(ui->controller, 0, lv2_atom_total_size(msg), + ui->uris.atom_eventTransfer, + msg); g_free(filename); - g_free(file_uri); } static LV2UI_Handle @@ -186,7 +158,7 @@ port_event(LV2UI_Handle handle, LV2_Atom* atom = (LV2_Atom*)buffer; if (atom->type == ui->uris.atom_Blank) { LV2_Atom_Object* obj = (LV2_Atom_Object*)atom; - const LV2_Atom* file_uri = get_msg_file_uri(&ui->uris, obj); + const LV2_Atom* file_uri = get_msg_file_path(&ui->uris, obj); if (!file_uri) { fprintf(stderr, "Unknown message sent to UI.\n"); return; diff --git a/plugins/eg-sampler.lv2/uris.h b/plugins/eg-sampler.lv2/uris.h index 6584c13..97cefca 100644 --- a/plugins/eg-sampler.lv2/uris.h +++ b/plugins/eg-sampler.lv2/uris.h @@ -31,6 +31,7 @@ typedef struct { LV2_URID atom_Blank; + LV2_URID atom_Path; LV2_URID atom_Resource; LV2_URID atom_eventTransfer; LV2_URID eg_applySample; @@ -39,22 +40,21 @@ typedef struct { LV2_URID midi_Event; LV2_URID msg_Set; LV2_URID msg_body; - LV2_URID state_Path; } SamplerURIs; static inline void map_sampler_uris(LV2_URID_Map* map, SamplerURIs* uris) { - uris->atom_Blank = map->map(map->handle, NS_ATOM "Blank"); - uris->atom_Resource = map->map(map->handle, NS_ATOM "Resource"); - uris->atom_eventTransfer = map->map(map->handle, NS_ATOM "eventTransfer"); + uris->atom_Blank = map->map(map->handle, LV2_ATOM__Blank); + uris->atom_Path = map->map(map->handle, LV2_ATOM__Path); + uris->atom_Resource = map->map(map->handle, LV2_ATOM__Resource); + uris->atom_eventTransfer = map->map(map->handle, LV2_ATOM__eventTransfer); uris->eg_applySample = map->map(map->handle, APPLY_SAMPLE_URI); uris->eg_file = map->map(map->handle, FILE_URI); uris->eg_freeSample = map->map(map->handle, FREE_SAMPLE_URI); uris->midi_Event = map->map(map->handle, MIDI_EVENT_URI); - uris->msg_Set = map->map(map->handle, LV2_MESSAGE_Set); - uris->msg_body = map->map(map->handle, LV2_MESSAGE_body); - uris->state_Path = map->map(map->handle, LV2_STATE_PATH_URI); + uris->msg_Set = map->map(map->handle, LV2_MESSAGE__Set); + uris->msg_body = map->map(map->handle, LV2_MESSAGE__body); } static inline bool @@ -64,15 +64,45 @@ is_object_type(const SamplerURIs* uris, LV2_URID type) || type == uris->atom_Blank; } +static inline LV2_Atom* +write_set_filename_msg(LV2_Atom_Forge* forge, + const SamplerURIs* uris, + const char* filename, + const size_t filename_len) +{ + /* Send [ + * a msg:Set ; + * msg:body [ + * eg-sampler:filename </home/me/foo.wav> ; + * ] ; + * ] + */ + LV2_Atom_Forge_Frame set_frame; + LV2_Atom* set = (LV2_Atom*)lv2_atom_forge_blank( + forge, &set_frame, 1, uris->msg_Set); + + lv2_atom_forge_property_head(forge, uris->msg_body, 0); + LV2_Atom_Forge_Frame body_frame; + lv2_atom_forge_blank(forge, &body_frame, 2, 0); + + lv2_atom_forge_property_head(forge, uris->eg_file, 0); + lv2_atom_forge_path(forge, (const uint8_t*)filename, filename_len); + + lv2_atom_forge_pop(forge, &body_frame); + lv2_atom_forge_pop(forge, &set_frame); + + return set; +} + static inline const LV2_Atom* -get_msg_file_uri(const SamplerURIs* uris, - const LV2_Atom_Object* obj) +get_msg_file_path(const SamplerURIs* uris, + const LV2_Atom_Object* obj) { /* Message should look like this: * [ * a msg:Set ; * msg:body [ - * eg-sampler:file <file://hal/home/me/foo.wav> ; + * eg-sampler:file </home/me/foo.wav> ; * ] ; * ] */ @@ -94,15 +124,15 @@ get_msg_file_uri(const SamplerURIs* uris, return NULL; } - /* Get file URI from body. */ - const LV2_Atom* file_uri = NULL; - lv2_object_getv(body, uris->eg_file, &file_uri, 0); - if (!file_uri) { - fprintf(stderr, "Ignored set message with no file URI.\n"); + /* Get file path from body. */ + const LV2_Atom* file_path = NULL; + lv2_object_getv(body, uris->eg_file, &file_path, 0); + if (!file_path) { + fprintf(stderr, "Ignored set message with no file PATH.\n"); return NULL; } - return file_uri; + return file_path; } #endif /* SAMPLER_URIS_H */ |