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[Summary] Fixed issue with possibility to disable outputs in StereOut when we have 2 or 1 channel

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[git-p4: depot-paths = "//Abdaw/dev_main/tracks/": change = 462199]
This commit is contained in:
Grygorii Zharun 2014-05-21 04:23:18 -05:00
parent 3fe5a59c80
commit 7f950f800a
1 changed files with 34 additions and 24 deletions
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58
libs/ardour/engine_state_controller.cc
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@ -501,43 +501,53 @@ EngineStateController::set_physical_audio_output_state(const std::string& port_n
// get next element
ChannelStateList::iterator next_state_iter(target_state_iter);
// loopback
if (++next_state_iter == output_states.end() ) {
next_state_iter = output_states.begin();
}
// if current was set to active - activate next and disable the rest
if (target_state_iter->active ) {
// only two outputs should be enabled
if (output_states.size() <= 2) {
target_state_iter->active = true;
next_state_iter->active = true;
} else {
// if current was deactivated but the next is active
if (next_state_iter->active) {
if (++next_state_iter == output_states.end() ) {
next_state_iter = output_states.begin();
}
// if current was set to active - activate next and disable the rest
if (target_state_iter->active ) {
next_state_iter->active = true;
} else {
// if current was deactivated but the previous is active - restore the state of current
target_state_iter->active = true; // state restored;
--target_state_iter; // switch to previous to make it stop point
target_state_iter->active = true;
}
}
while (++next_state_iter != target_state_iter) {
if (next_state_iter == output_states.end() ) {
next_state_iter = output_states.begin();
// we jumped, so additional check is required
if (next_state_iter == target_state_iter) {
break;
// if current was deactivated but the next is active
if (next_state_iter->active) {
if (++next_state_iter == output_states.end() ) {
next_state_iter = output_states.begin();
}
next_state_iter->active = true;
} else {
// if current was deactivated but the previous is active - restore the state of current
target_state_iter->active = true; // state restored;
--target_state_iter; // switch to previous to make it stop point
target_state_iter->active = true;
}
}
next_state_iter->active = false;
}
while (++next_state_iter != target_state_iter) {
if (next_state_iter == output_states.end() ) {
next_state_iter = output_states.begin();
// we jumped, so additional check is required
if (next_state_iter == target_state_iter) {
break;
}
}
next_state_iter->active = false;
}
}
}
AudioEngine::instance()->reconnect_session_routes();