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Set up default and upper/lower limit correctly on LV2 ports

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whose values are expressed as a fraction of the sampling
rate.  Should fix #3767.


git-svn-id: svn://localhost/ardour2/branches/3.0@9848 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington
2011-07-12 20:30:02 +00:00
parent 11b0ac77f5
commit 7be510a26a
2 changed files with 16 additions and 0 deletions
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8
libs/ardour/lv2_plugin.cc
View File

@@ -225,6 +225,9 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate)
SLV2Value def;
slv2_port_get_range(plugin, port, &def, NULL, NULL);
_defaults[i] = def ? slv2_value_as_float(def) : 0.0f;
if (slv2_port_has_property(_impl->plugin, port, _world.srate)) {
_defaults[i] *= _session.frame_rate ();
}
slv2_value_free(def);
slv2_instance_connect_port(_impl->instance, i, &_control_data[i]);
@@ -821,6 +824,11 @@ LV2Plugin::get_parameter_descriptor(uint32_t which, ParameterDescriptor& desc) c
desc.label = slv2_value_as_string(slv2_port_get_name(_impl->plugin, port));
desc.lower = min ? slv2_value_as_float(min) : 0.0f;
desc.upper = max ? slv2_value_as_float(max) : 1.0f;
if (desc.sr_dependent) {
desc.lower *= _session.frame_rate ();
desc.upper *= _session.frame_rate ();
}
desc.min_unbound = false; // TODO: LV2 extension required
desc.max_unbound = false; // TODO: LV2 extension required

8
libs/ardour/lv2_plugin_lilv.cc
View File

@@ -225,6 +225,9 @@ LV2Plugin::init(void* c_plugin, framecnt_t rate)
LilvNode* def;
lilv_port_get_range(plugin, port, &def, NULL, NULL);
_defaults[i] = def ? lilv_node_as_float(def) : 0.0f;
if (lilv_port_has_property (plugin, port, _world.srate)) {
_defaults[i] *= _session.frame_rate ();
}
lilv_node_free(def);
lilv_instance_connect_port(_impl->instance, i, &_control_data[i]);
@@ -798,6 +801,11 @@ LV2Plugin::get_parameter_descriptor(uint32_t which, ParameterDescriptor& desc) c
desc.label = lilv_node_as_string(lilv_port_get_name(_impl->plugin, port));
desc.lower = min ? lilv_node_as_float(min) : 0.0f;
desc.upper = max ? lilv_node_as_float(max) : 1.0f;
if (desc.sr_dependent) {
desc.lower *= _session.frame_rate ();
desc.upper *= _session.frame_rate ();
}
desc.min_unbound = false; // TODO: LV2 extension required
desc.max_unbound = false; // TODO: LV2 extension required