void ComponentGate::update(float milliseconds)
{
timeInState += milliseconds;
switch(state)
{
case STATE_A:
break;
case STATE_B:
break;
case STATE_TRANSITION_AB:
update_transition(milliseconds,
timeInState,
timeToTransitionAB,
STATE_B,
positionA,
positionB);
break;
case STATE_TRANSITION_BA:
update_transition(milliseconds,
timeInState,
timeToTransitionBA,
STATE_A,
positionB,
positionA);
break;
}
}
/*
update motor output for quadplane
*/
void QuadPlane::update(void)
{
if (!setup()) {
return;
}
bool quad_mode = (plane.control_mode == QSTABILIZE ||
plane.control_mode == QHOVER ||
plane.control_mode == QLOITER ||
in_vtol_auto());
if (!quad_mode) {
update_transition();
} else {
assisted_flight = false;
// run low level rate controllers
attitude_control->rate_controller_run();
// output to motors
motors->output();
transition_start_ms = 0;
if (throttle_wait && !plane.is_flying()) {
transition_state = TRANSITION_DONE;
} else {
transition_state = TRANSITION_AIRSPEED_WAIT;
}
last_throttle = motors->get_throttle();
}
// disable throttle_wait when throttle rises above 10%
if (throttle_wait &&
(plane.channel_throttle->control_in > 10 ||
plane.failsafe.ch3_failsafe ||
plane.failsafe.ch3_counter>0)) {
throttle_wait = false;
}
}
/**
* For the random number r \in [0,1], get the selected Transition,
* perform its actions, and update any downstream dependencies
*/
void LatticeTransitionManager::move(double r) {
std::size_t selected = transition(r);
for (const Action& a : transitions_[selected]->actions()) {
lattice::State* prev = lattice_->perform(a);
// These transitions had a condition on the previous state,
// which changed, so now they must be disabled
if (prev != a.state()) {
for (const std::size_t& affected : downstream_coord_[a.coord()][prev->id()]) {
enabled_rates_[affected] = 0.0;
}
}
}
// These transitions have a condition on the new state(s),
// and may now be enabled (if they were disabled before)
for (const std::size_t& affected : downstream_[selected]) {
if (enabled_rates_[affected] == 0.0) {
update_transition(affected);
}
}
update_accumulated_rates();
}
int AModule::render(Samples *buffer,
int64_t input_len,
int64_t start_position,
int direction,
int sample_rate,
int use_nudge)
{
int64_t edl_rate = get_edl()->session->sample_rate;
const int debug = 0;
if(debug) printf("AModule::render %d\n", __LINE__);
if(use_nudge)
start_position += track->nudge *
sample_rate /
edl_rate;
AEdit *playable_edit;
int64_t end_position;
if(direction == PLAY_FORWARD)
end_position = start_position + input_len;
else
end_position = start_position - input_len;
int buffer_offset = 0;
int result = 0;
// // Flip range around so the source is always read forward.
// if(direction == PLAY_REVERSE)
// {
// start_project -= input_len;
// end_position -= input_len;
// }
// Clear buffer
bzero(buffer->get_data(), input_len * sizeof(double));
// The EDL is normalized to the requested sample rate because
// the requested rate may be the project sample rate and a sample rate
// might as well be directly from the source rate to the requested rate.
// Get first edit containing the range
if(direction == PLAY_FORWARD)
playable_edit = (AEdit*)track->edits->first;
else
playable_edit = (AEdit*)track->edits->last;
if(debug) printf("AModule::render %d\n", __LINE__);
while(playable_edit)
{
int64_t edit_start = playable_edit->startproject;
int64_t edit_end = playable_edit->startproject + playable_edit->length;
// Normalize to requested rate
edit_start = edit_start * sample_rate / edl_rate;
edit_end = edit_end * sample_rate / edl_rate;
if(direction == PLAY_FORWARD)
{
if(start_position < edit_end && end_position > edit_start)
{
break;
}
playable_edit = (AEdit*)playable_edit->next;
}
else
{
if(end_position < edit_end && start_position > edit_start)
{
break;
}
playable_edit = (AEdit*)playable_edit->previous;
}
}
if(debug) printf("AModule::render %d\n", __LINE__);
// Fill output one fragment at a time
while(start_position != end_position)
{
int64_t fragment_len = input_len;
if(debug) printf("AModule::render %d " _LD " " _LD "\n", __LINE__, start_position, end_position);
// Clamp fragment to end of input
if(direction == PLAY_FORWARD &&
start_position + fragment_len > end_position)
fragment_len = end_position - start_position;
else
if(direction == PLAY_REVERSE &&
start_position - fragment_len < end_position)
fragment_len = start_position - end_position;
if(debug) printf("AModule::render %d " _LD "\n", __LINE__, fragment_len);
// Normalize position here since update_transition is a boolean operation.
update_transition(start_position *
edl_rate /
sample_rate,
PLAY_FORWARD);
if(playable_edit)
{
AEdit *previous_edit = (AEdit*)playable_edit->previous;
// Normalize EDL positions to requested rate
int64_t edit_startproject = playable_edit->startproject;
int64_t edit_endproject = playable_edit->startproject + playable_edit->length;
int64_t edit_startsource = playable_edit->startsource;
if(debug) printf("AModule::render %d " _LD "\n", __LINE__, fragment_len);
edit_startproject = edit_startproject * sample_rate / edl_rate;
edit_endproject = edit_endproject * sample_rate / edl_rate;
edit_startsource = edit_startsource * sample_rate / edl_rate;
if(debug) printf("AModule::render %d " _LD "\n", __LINE__, fragment_len);
// Clamp fragment to end of edit
if(direction == PLAY_FORWARD &&
start_position + fragment_len > edit_endproject)
fragment_len = edit_endproject - start_position;
else
if(direction == PLAY_REVERSE &&
start_position - fragment_len < edit_startproject)
fragment_len = start_position - edit_startproject;
if(debug) printf("AModule::render %d " _LD "\n", __LINE__, fragment_len);
// Clamp to end of transition
int64_t transition_len = 0;
if(transition &&
previous_edit)
{
transition_len = transition->length *
sample_rate /
edl_rate;
if(direction == PLAY_FORWARD &&
start_position < edit_startproject + transition_len &&
start_position + fragment_len > edit_startproject + transition_len)
fragment_len = edit_startproject + transition_len - start_position;
else
if(direction == PLAY_REVERSE &&
start_position > edit_startproject + transition_len &&
start_position - fragment_len < edit_startproject + transition_len)
fragment_len = start_position - edit_startproject - transition_len;
}
if(debug) printf("AModule::render %d buffer_offset=%d fragment_len=" _LD "\n",
__LINE__,
buffer_offset,
fragment_len);
Samples output(buffer);
output.set_offset(output.get_offset() + buffer_offset);
if(import_samples(playable_edit,
start_position,
edit_startproject,
edit_startsource,
direction,
sample_rate,
&output,
fragment_len)) result = 1;
if(debug) printf("AModule::render %d\n", __LINE__);
// Read transition into temp and render
if(transition && previous_edit)
{
int64_t previous_startproject = previous_edit->startproject *
sample_rate /
edl_rate;
int64_t previous_startsource = previous_edit->startsource *
sample_rate /
edl_rate;
// Allocate transition temp size
int transition_fragment_len = fragment_len;
if(direction == PLAY_FORWARD &&
fragment_len + start_position > edit_startproject + transition_len)
fragment_len = edit_startproject + transition_len - start_position;
// Read into temp buffers
// Temp + master or temp + temp ? temp + master
if(transition_temp &&
transition_temp->get_allocated() < fragment_len)
{
delete transition_temp;
transition_temp = 0;
}
if(!transition_temp)
{
transition_temp = new Samples(fragment_len);
}
if(debug) printf("AModule::render %d " _LD "\n", __LINE__, fragment_len);
if(transition_fragment_len > 0)
{
// Previous_edit is always the outgoing segment, regardless of direction
import_samples(previous_edit,
start_position,
previous_startproject,
previous_startsource,
direction,
sample_rate,
transition_temp,
transition_fragment_len);
int64_t current_position;
// Reverse buffers here so transitions always render forward.
if(direction == PLAY_REVERSE)
{
Resample::reverse_buffer(output.get_data(), transition_fragment_len);
Resample::reverse_buffer(transition_temp->get_data(), transition_fragment_len);
current_position = start_position -
transition_fragment_len -
edit_startproject;
}
else
{
current_position = start_position - edit_startproject;
}
transition_server->process_transition(
transition_temp,
&output,
current_position,
transition_fragment_len,
transition->length);
// Reverse output buffer here so transitions always render forward.
if(direction == PLAY_REVERSE)
Resample::reverse_buffer(output.get_data(),
transition_fragment_len);
}
}
if(debug) printf("AModule::render %d start_position=" _LD " end_position=" _LD " fragment_len=" _LD "\n",
__LINE__,
start_position,
end_position,
fragment_len);
if(direction == PLAY_REVERSE)
{
if(playable_edit && start_position - fragment_len <= edit_startproject)
playable_edit = (AEdit*)playable_edit->previous;
}
else
{
if(playable_edit && start_position + fragment_len >= edit_endproject)
playable_edit = (AEdit*)playable_edit->next;
}
}
if(fragment_len > 0)
{
buffer_offset += fragment_len;
if(direction == PLAY_FORWARD)
start_position += fragment_len;
else
start_position -= fragment_len;
}
}
if(debug) printf("AModule::render %d\n", __LINE__);
return result;
}
/**
* Mark all Transitions as enabled/disabled
*/
void LatticeTransitionManager::update_all_transitions() {
for (std::size_t t = 0; t < transitions_.size(); t++) {
update_transition(t);
}
}
