diff options
Diffstat (limited to 'src/jalv.c')
| -rw-r--r-- | src/jalv.c | 34 |
1 files changed, 19 insertions, 15 deletions
@@ -833,6 +833,7 @@ main(int argc, char** argv) 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_updateRate = symap_map(jalv.symap, LV2_UI__updateRate); #ifdef _WIN32 jalv.temp_dir = jalv_strdup("jalvXXXXXX"); @@ -1026,6 +1027,22 @@ main(int argc, char** argv) jalv.opts.buffer_size = jalv.midi_buf_size * 4; } + if (jalv.opts.update_rate == 0.0) { + /* Calculate a reasonable UI update frequency. */ + jalv.ui_update_hz = (float)jalv.sample_rate / jalv.midi_buf_size * 2.0f; + jalv.ui_update_hz = MAX(25.0f, jalv.ui_update_hz); + } 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); + } + + /* 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: %d bytes\n", jalv.opts.buffer_size); + fprintf(stderr, "Update rate: %.01f Hz\n", jalv.ui_update_hz); + /* Build options array to pass to plugin */ const LV2_Options_Option options[] = { { LV2_OPTIONS_INSTANCE, 0, jalv.urids.param_sampleRate, @@ -1036,26 +1053,13 @@ main(int argc, char** argv) 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, 0, 0, 0, NULL } }; options_feature.data = &options; - if (!jalv.opts.update_rate) { - /* Calculate theoretical UI update frequency. */ - jalv.ui_update_hz = (double)jalv.sample_rate / jalv.midi_buf_size * 2.0; - jalv.ui_update_hz = MAX(25, jalv.ui_update_hz); - } else { - jalv.ui_update_hz = jalv.opts.update_rate; - jalv.ui_update_hz = MAX(1, jalv.ui_update_hz); - } - - /* 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: %d bytes\n", jalv.opts.buffer_size); - fprintf(stderr, "Update rate: %d Hz\n", jalv.ui_update_hz); - /* Create Plugin <=> UI communication buffers */ jalv.ui_events = jack_ringbuffer_create(jalv.opts.buffer_size); jalv.plugin_events = jack_ringbuffer_create(jalv.opts.buffer_size); |