ardour/livetrax
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step by step evolution of plugin pin management

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This commit is contained in:
Robin Gareus 2016-03-26 18:38:57 +01:00
parent f269e39115
commit 9853d2a911
1 changed files with 59 additions and 4 deletions
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63
libs/ardour/plugin_insert.cc
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@ -788,6 +788,12 @@ PluginInsert::configure_io (ChanCount in, ChanCount out)
_configured_in = in;
_configured_out = out;
/* TODO use "custom config"
* allow user to edit/override output ports, handle strict i/o.
*
* configuration should only applied here.
*/
/* set the matching method and number of plugins that we will use to meet this configuration */
_match = private_can_support_io_configuration (in, out);
if (set_count (_match.plugins) == false) {
@ -813,7 +819,8 @@ PluginInsert::configure_io (ChanCount in, ChanCount out)
break;
}
// TODO make configurable
// TODO make configurable, ideally use a single in/out map for all replicated
// plugins.
uint32_t pc = 0;
for (Plugins::iterator i = _plugins.begin(); i != _plugins.end(); ++i, ++pc) {
if (_match.method == Split) {
@ -919,6 +926,53 @@ PluginInsert::private_can_support_io_configuration (ChanCount const & inx, ChanC
}
}
/* replicate no-input generators with strict i/o */
if (no_inputs && _strict_io) {
uint32_t f = 0;
bool can_replicate = true;
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
uint32_t nout = outputs.get (*t);
uint32_t nwant = in.get (*t);
if (nout > nwant) {
can_replicate = false;
break;
}
if (nout == nwant) {
continue;
}
if (f == 0 && nwant % nout == 0) {
f = nwant / nout;
}
if (f * nout != nwant) {
can_replicate = false;
break;
}
}
if (can_replicate && f > 1) {
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
out.set (*t, outputs.get(*t) * f);
}
out += midi_bypass;
return Match (Replicate, f);
}
}
if ((no_inputs || inputs == in) && _strict_io) {
/* special case synths and generators */
if (in.n_audio () == 0 && in.n_midi () > 0 && outputs.n_audio () > 0) {
// TODO limit the audio-channel count to track output
out = outputs + midi_bypass;
} else {
_strict_io_configured = true;
out = in + midi_bypass;
}
return Match (ExactMatch, 1);
}
if (no_inputs) {
/* no inputs so we can take any input configuration since we throw it away */
out = outputs + midi_bypass;
@ -926,7 +980,7 @@ PluginInsert::private_can_support_io_configuration (ChanCount const & inx, ChanC
}
/* Plugin inputs match requested inputs exactly */
if (inputs == in && (!_strict_io || outputs.n_audio() == inputs.n_audio())) {
if (inputs == in) {
out = outputs + midi_bypass;
return Match (ExactMatch, 1);
}
@ -966,6 +1020,7 @@ PluginInsert::private_can_support_io_configuration (ChanCount const & inx, ChanC
}
if (can_replicate) {
assert (f > 1);
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
out.set (*t, outputs.get(*t) * f);
}
@ -982,7 +1037,7 @@ PluginInsert::private_can_support_io_configuration (ChanCount const & inx, ChanC
*/
bool can_split = !_strict_io;
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
for (DataType::iterator t = DataType::begin(); t != DataType::end() && can_split; ++t) {
bool const can_split_type = (in.get (*t) == 1 && inputs.get (*t) > 1);
bool const nothing_to_do_for_type = (in.get (*t) == 0 && inputs.get (*t) == 0);
@ -1005,7 +1060,7 @@ PluginInsert::private_can_support_io_configuration (ChanCount const & inx, ChanC
bool cannot_hide = false;
ChanCount hide_channels;
for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
for (DataType::iterator t = DataType::begin(); t != DataType::end() && !cannot_hide; ++t) {
if (inputs.get(*t) > in.get(*t)) {
/* there is potential to hide, since the plugin has more inputs of type t than the insert */
hide_channels.set (*t, inputs.get(*t) - in.get(*t));