From abb8cfaf30475f25659d89605cb24fb0d5aee68d Mon Sep 17 00:00:00 2001 From: David Robillard Date: Thu, 9 May 2013 18:36:38 +0000 Subject: Add command-line option to control UI update frequency. git-svn-id: http://svn.drobilla.net/lad/trunk/jalv@5106 a436a847-0d15-0410-975c-d299462d15a1 --- src/jalv.c | 10 ++++++++-- src/jalv_gtk.c | 2 ++ src/jalv_internal.h | 1 + 3 files changed, 11 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/jalv.c b/src/jalv.c index 25676c2..0e77239 100644 --- a/src/jalv.c +++ b/src/jalv.c @@ -1041,8 +1041,14 @@ main(int argc, char** argv) options_feature.data = &options; - /* Calculate theoretical UI update frequency. */ - jalv.ui_update_hz = (double)jalv.sample_rate / jalv.midi_buf_size * 2.0; + 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); diff --git a/src/jalv_gtk.c b/src/jalv_gtk.c index b1c069a..e371a6c 100644 --- a/src/jalv_gtk.c +++ b/src/jalv_gtk.c @@ -91,6 +91,8 @@ jalv_init(int* argc, char*** argv, JalvOptions* opts) "Use Jalv generic UI and not the plugin UI", NULL}, { "buffer-size", 'b', 0, G_OPTION_ARG_INT, &opts->buffer_size, "Buffer size for plugin <=> UI communication", "SIZE"}, + { "update-frequency", 'r', 0, G_OPTION_ARG_INT, &opts->update_rate, + "UI update frequency", NULL}, { 0, 0, 0, 0, 0, 0, 0 } }; GError* error = NULL; const int err = gtk_init_with_args( diff --git a/src/jalv_internal.h b/src/jalv_internal.h index 9800924..2fccbc5 100644 --- a/src/jalv_internal.h +++ b/src/jalv_internal.h @@ -86,6 +86,7 @@ typedef struct { char* uuid; char* load; uint32_t buffer_size; + uint32_t update_rate; bool dump; bool generic_ui; } JalvOptions; -- cgit v1.2.1