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tweak LV2 atom buffer allocation strategy

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Allow to re-use Midi buffers for GUI communication. Honor
resize-port extension for all Atom Sequence buffers.
(following example of http://lv2plug.in/book/#_sampler)
This commit is contained in:
Robin Gareus
2016-04-27 14:45:40 +02:00
parent 2cc7faab21
commit 4005ef9db6
1 changed files with 2 additions and 3 deletions
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5
libs/ardour/lv2_plugin.cc
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@@ -2119,8 +2119,7 @@ LV2Plugin::allocate_atom_event_buffers()
LilvNodes* atom_supports = lilv_port_get_value(
p, port, _world.atom_supports);
if (!lilv_nodes_contains(buffer_types, _world.atom_Sequence)
|| !lilv_nodes_contains(atom_supports, _world.midi_MidiEvent)) {
if (lilv_nodes_contains(buffer_types, _world.atom_Sequence)) {
if (lilv_port_is_a(p, port, _world.lv2_InputPort)) {
count_atom_in++;
}
@@ -2147,7 +2146,7 @@ LV2Plugin::allocate_atom_event_buffers()
return;
}
DEBUG_TRACE(DEBUG::LV2, string_compose("allocate %1 atom_ev_buffers of %d bytes\n", total_atom_buffers, minimumSize));
DEBUG_TRACE(DEBUG::LV2, string_compose("allocate %1 atom_ev_buffers of %2 bytes\n", total_atom_buffers, minimumSize));
_atom_ev_buffers = (LV2_Evbuf**) malloc((total_atom_buffers + 1) * sizeof(LV2_Evbuf*));
for (int i = 0; i < total_atom_buffers; ++i ) {
_atom_ev_buffers[i] = lv2_evbuf_new(minimumSize, LV2_EVBUF_ATOM,