Aegisub/src/dialog_timing_processor.cpp

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// Copyright (c) 2006, Rodrigo Braz Monteiro
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// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
#include "ass_dialogue.h"
#include "ass_file.h"
#include "async_video_provider.h"
#include "compat.h"
#include "format.h"
#include "help_button.h"
#include "include/aegisub/context.h"
#include "libresrc/libresrc.h"
#include "options.h"
#include "project.h"
#include "selection_controller.h"
#include "utils.h"
#include <libaegisub/address_of_adaptor.h>
#include <libaegisub/ass/time.h>
#include <algorithm>
#include <boost/range/adaptor/filtered.hpp>
#include <boost/range/algorithm.hpp>
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#include <boost/range/algorithm_ext/push_back.hpp>
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#include <functional>
#include <vector>
#include <wx/button.h>
#include <wx/checkbox.h>
#include <wx/checklst.h>
#include <wx/dialog.h>
#include <wx/msgdlg.h>
#include <wx/sizer.h>
#include <wx/slider.h>
#include <wx/statbox.h>
#include <wx/stattext.h>
#include <wx/textctrl.h>
#include <wx/valnum.h>
using namespace boost::adaptors;
namespace {
/// @class DialogTimingProcessor
/// @brief Automatic postprocessor for correcting common timing issues
struct DialogTimingProcessor {
wxDialog d;
agi::Context *c; ///< Project context
int leadIn; ///< Lead-in to add in milliseconds
int leadOut; ///< Lead-out to add in milliseconds
int beforeStart; ///< Maximum time in milliseconds to move start time of line backwards to land on a keyframe
int afterStart; ///< Maximum time in milliseconds to move start time of line forwards to land on a keyframe
int beforeEnd; ///< Maximum time in milliseconds to move end time of line backwards to land on a keyframe
int afterEnd; ///< Maximum time in milliseconds to move end time of line forwards to land on a keyframe
int adjGap; ///< Maximum gap in milliseconds to snap adjacent lines to each other
int adjOverlap; ///< Maximum overlap in milliseconds to snap adjacent lines to each other
wxCheckBox *onlySelection; ///< Only process selected lines of the selected styles
wxCheckBox *hasLeadIn; ///< Enable adding lead-in
wxCheckBox *hasLeadOut; ///< Enable adding lead-out
wxCheckBox *keysEnable; ///< Enable snapping to keyframes
wxCheckBox *adjsEnable; ///< Enable snapping adjacent lines to each other
wxSlider *adjacentBias; ///< Bias between shifting start and end times when snapping adjacent lines
wxCheckListBox *StyleList; ///< List of styles to process
wxButton *ApplyButton; ///< Button to apply the processing
void OnApply(wxCommandEvent &event);
/// Check or uncheck all styles
void CheckAll(bool check);
/// Enable and disable text boxes based on which checkboxes are checked
void UpdateControls();
/// Process the file
void Process();
/// Get a list of dialogue lines in the file sorted by start time
std::vector<AssDialogue*> SortDialogues();
DialogTimingProcessor(agi::Context *c);
};
wxTextCtrl *make_ctrl(wxWindow *parent, wxSizer *sizer, wxString const& desc, int *value, wxCheckBox *cb, wxString const& tooltip) {
wxIntegerValidator<int> validator(value);
validator.SetMin(0);
wxTextCtrl *ctrl = new wxTextCtrl(parent, -1, "", wxDefaultPosition, wxSize(60,-1), 0, validator);
ctrl->SetToolTip(tooltip);
if (!desc.empty())
sizer->Add(new wxStaticText(parent, -1, desc), wxSizerFlags().Center().Border(wxRIGHT));
sizer->Add(ctrl, wxSizerFlags().Expand().Border(wxRIGHT));
ctrl->Enable(cb->IsChecked());
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cb->Bind(wxEVT_CHECKBOX, [=](wxCommandEvent& evt) {
ctrl->Enable(cb->IsChecked());
evt.Skip();
});
return ctrl;
}
inline wxTextCtrl *make_ctrl(wxStaticBoxSizer *sizer, wxString const& desc, int *value, wxCheckBox *cb, wxString const& tooltip) {
return make_ctrl(sizer->GetStaticBox()->GetParent(), sizer, desc, value, cb, tooltip);
}
wxCheckBox *make_check(wxStaticBoxSizer *sizer, wxString const& desc, const char *opt, wxString const& tooltip) {
wxCheckBox *cb = new wxCheckBox(sizer->GetStaticBox()->GetParent(), -1, desc);
cb->SetToolTip(tooltip);
cb->SetValue(OPT_GET(opt)->GetBool());
sizer->Add(cb, wxSizerFlags().Border(wxRIGHT).Expand());
return cb;
}
DialogTimingProcessor::DialogTimingProcessor(agi::Context *c)
: d(c->parent, -1, _("Timing Post-Processor"))
, c(c)
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{
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using std::bind;
d.SetIcon(GETICON(timing_processor_toolbutton_16));
// Read options
leadIn = OPT_GET("Tool/Timing Post Processor/Lead/IN")->GetInt();
leadOut = OPT_GET("Tool/Timing Post Processor/Lead/OUT")->GetInt();
beforeStart = OPT_GET("Tool/Timing Post Processor/Threshold/Key Start Before")->GetInt();
beforeEnd = OPT_GET("Tool/Timing Post Processor/Threshold/Key End Before")->GetInt();
afterStart = OPT_GET("Tool/Timing Post Processor/Threshold/Key Start After")->GetInt();
afterEnd = OPT_GET("Tool/Timing Post Processor/Threshold/Key End After")->GetInt();
adjGap = OPT_GET("Tool/Timing Post Processor/Threshold/Adjacent Gap")->GetInt();
adjOverlap = OPT_GET("Tool/Timing Post Processor/Threshold/Adjacent Overlap")->GetInt();
// Styles box
auto LeftSizer = new wxStaticBoxSizer(wxVERTICAL,&d,_("Apply to styles"));
StyleList = new wxCheckListBox(&d, -1, wxDefaultPosition, wxSize(150,150), to_wx(c->ass->GetStyles()));
StyleList->SetToolTip(_("Select styles to process. Unchecked ones will be ignored."));
auto all = new wxButton(&d,-1,_("&All"));
all->SetToolTip(_("Select all styles"));
auto none = new wxButton(&d,-1,_("&None"));
none->SetToolTip(_("Deselect all styles"));
// Options box
auto optionsSizer = new wxStaticBoxSizer(wxHORIZONTAL,&d,_("Options"));
onlySelection = new wxCheckBox(&d,-1,_("Affect &selection only"));
onlySelection->SetValue(OPT_GET("Tool/Timing Post Processor/Only Selection")->GetBool());
optionsSizer->Add(onlySelection,1,wxALL,0);
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// Lead-in/out box
auto LeadSizer = new wxStaticBoxSizer(wxHORIZONTAL, &d, _("Lead-in/Lead-out"));
hasLeadIn = make_check(LeadSizer, _("Add lead &in:"),
"Tool/Timing Post Processor/Enable/Lead/IN",
_("Enable adding of lead-ins to lines"));
make_ctrl(LeadSizer, "", &leadIn, hasLeadIn, _("Lead in to be added, in milliseconds"));
hasLeadOut = make_check(LeadSizer, _("Add lead &out:"),
"Tool/Timing Post Processor/Enable/Lead/OUT",
_("Enable adding of lead-outs to lines"));
make_ctrl(LeadSizer, "", &leadOut, hasLeadOut, _("Lead out to be added, in milliseconds"));
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LeadSizer->AddStretchSpacer(1);
// Adjacent subs sizer
auto AdjacentSizer = new wxStaticBoxSizer(wxHORIZONTAL, &d, _("Make adjacent subtitles continuous"));
adjsEnable = make_check(AdjacentSizer, _("&Enable"),
"Tool/Timing Post Processor/Enable/Adjacent",
_("Enable snapping of subtitles together if they are within a certain distance of each other"));
auto adjBoxes = new wxBoxSizer(wxHORIZONTAL);
make_ctrl(&d, adjBoxes, _("Max gap:"), &adjGap, adjsEnable,
_("Maximum difference between start and end time for two subtitles to be made continuous, in milliseconds"));
make_ctrl(&d, adjBoxes, _("Max overlap:"), &adjOverlap, adjsEnable,
_("Maximum overlap between the end and start time for two subtitles to be made continuous, in milliseconds"));
adjacentBias = new wxSlider(&d, -1, mid<int>(0, OPT_GET("Tool/Timing Post Processor/Adjacent Bias")->GetDouble() * 100, 100), 0, 100, wxDefaultPosition, wxSize(-1,20));
adjacentBias->SetToolTip(_("Sets how to set the adjoining of lines. If set totally to left, it will extend or shrink start time of the second line; if totally to right, it will extend or shrink the end time of the first line."));
auto adjSliderSizer = new wxBoxSizer(wxHORIZONTAL);
adjSliderSizer->Add(new wxStaticText(&d, -1, _("Bias: Start <- ")), wxSizerFlags().Center());
adjSliderSizer->Add(adjacentBias, wxSizerFlags(1).Center());
adjSliderSizer->Add(new wxStaticText(&d, -1, _(" -> End")), wxSizerFlags().Center());
auto adjRightSizer = new wxBoxSizer(wxVERTICAL);
adjRightSizer->Add(adjBoxes, wxSizerFlags().Expand());
adjRightSizer->Add(adjSliderSizer, wxSizerFlags().Expand().Border(wxTOP));
AdjacentSizer->Add(adjRightSizer);
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// Keyframes sizer
auto KeyframesSizer = new wxStaticBoxSizer(wxHORIZONTAL, &d, _("Keyframe snapping"));
auto KeyframesFlexSizer = new wxFlexGridSizer(2,5,5,0);
keysEnable = new wxCheckBox(&d, -1, _("E&nable"));
keysEnable->SetToolTip(_("Enable snapping of subtitles to nearest keyframe, if distance is within threshold"));
keysEnable->SetValue(OPT_GET("Tool/Timing Post Processor/Enable/Keyframe")->GetBool());
KeyframesFlexSizer->Add(keysEnable,0,wxRIGHT|wxEXPAND,10);
// Keyframes are only available if timecodes are loaded
bool keysAvailable = !c->project->Keyframes().empty() && c->project->Timecodes().IsLoaded();
if (!keysAvailable) {
keysEnable->SetValue(false);
keysEnable->Enable(false);
}
make_ctrl(&d, KeyframesFlexSizer, _("Starts before thres.:"), &beforeStart, keysEnable,
_("Threshold for 'before start' distance, that is, how many milliseconds a subtitle must start before a keyframe to snap to it"));
make_ctrl(&d, KeyframesFlexSizer, _("Starts after thres.:"), &afterStart, keysEnable,
_("Threshold for 'after start' distance, that is, how many milliseconds a subtitle must start after a keyframe to snap to it"));
KeyframesFlexSizer->AddStretchSpacer(1);
make_ctrl(&d, KeyframesFlexSizer, _("Ends before thres.:"), &beforeEnd, keysEnable,
_("Threshold for 'before end' distance, that is, how many milliseconds a subtitle must end before a keyframe to snap to it"));
make_ctrl(&d, KeyframesFlexSizer, _("Ends after thres.:"), &afterEnd, keysEnable,
_("Threshold for 'after end' distance, that is, how many milliseconds a subtitle must end after a keyframe to snap to it"));
KeyframesSizer->Add(KeyframesFlexSizer,0,wxEXPAND);
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KeyframesSizer->AddStretchSpacer(1);
// Button sizer
auto ButtonSizer = d.CreateStdDialogButtonSizer(wxOK | wxCANCEL | wxHELP);
ApplyButton = ButtonSizer->GetAffirmativeButton();
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ButtonSizer->GetHelpButton()->Bind(wxEVT_BUTTON, bind(&HelpButton::OpenPage, "Timing Processor"));
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// Right Sizer
auto RightSizer = new wxBoxSizer(wxVERTICAL);
RightSizer->Add(optionsSizer,0,wxBOTTOM|wxEXPAND,5);
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RightSizer->Add(LeadSizer,0,wxBOTTOM|wxEXPAND,5);
RightSizer->Add(AdjacentSizer,0,wxBOTTOM|wxEXPAND,5);
RightSizer->Add(KeyframesSizer,0,wxBOTTOM|wxEXPAND,5);
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RightSizer->AddStretchSpacer(1);
RightSizer->Add(ButtonSizer,0,wxLEFT|wxRIGHT|wxBOTTOM|wxEXPAND,0);
// Style buttons sizer
auto StyleButtonsSizer = new wxBoxSizer(wxHORIZONTAL);
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StyleButtonsSizer->Add(all,1,0,0);
StyleButtonsSizer->Add(none,1,0,0);
// Left sizer
LeftSizer->Add(StyleList, wxSizerFlags(1).Border(wxBOTTOM));
LeftSizer->Add(StyleButtonsSizer, wxSizerFlags().Expand());
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// Top Sizer
auto TopSizer = new wxBoxSizer(wxHORIZONTAL);
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TopSizer->Add(LeftSizer,0,wxRIGHT|wxEXPAND,5);
TopSizer->Add(RightSizer,1,wxALL|wxEXPAND,0);
// Main Sizer
auto MainSizer = new wxBoxSizer(wxVERTICAL);
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MainSizer->Add(TopSizer,1,wxALL|wxEXPAND,5);
d.SetSizerAndFit(MainSizer);
d.CenterOnParent();
d.Bind(wxEVT_CHECKBOX, bind(&DialogTimingProcessor::UpdateControls, this));
d.Bind(wxEVT_CHECKLISTBOX, bind(&DialogTimingProcessor::UpdateControls, this));
d.Bind(wxEVT_BUTTON, &DialogTimingProcessor::OnApply, this, wxID_OK);
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all->Bind(wxEVT_BUTTON, bind(&DialogTimingProcessor::CheckAll, this, true));
none->Bind(wxEVT_BUTTON, bind(&DialogTimingProcessor::CheckAll, this, false));
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CheckAll(true);
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}
void DialogTimingProcessor::CheckAll(bool value) {
size_t count = StyleList->GetCount();
for (size_t i = 0; i < count; ++i)
StyleList->Check(i, value);
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UpdateControls();
}
void DialogTimingProcessor::UpdateControls() {
// Only enable the OK button if it'll actually do something
bool any_checked = false;
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size_t len = StyleList->GetCount();
for (size_t i = 0; !any_checked && i < len; ++i)
any_checked = StyleList->IsChecked(i);
ApplyButton->Enable(any_checked && (hasLeadIn->IsChecked() || hasLeadOut->IsChecked() || keysEnable->IsChecked() || adjsEnable->IsChecked()));
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}
void DialogTimingProcessor::OnApply(wxCommandEvent &) {
d.TransferDataFromWindow();
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// Save settings
OPT_SET("Tool/Timing Post Processor/Lead/IN")->SetInt(leadIn);
OPT_SET("Tool/Timing Post Processor/Lead/OUT")->SetInt(leadOut);
OPT_SET("Tool/Timing Post Processor/Threshold/Key Start Before")->SetInt(beforeStart);
OPT_SET("Tool/Timing Post Processor/Threshold/Key Start After")->SetInt(afterStart);
OPT_SET("Tool/Timing Post Processor/Threshold/Key End Before")->SetInt(beforeEnd);
OPT_SET("Tool/Timing Post Processor/Threshold/Key End After")->SetInt(afterEnd);
OPT_SET("Tool/Timing Post Processor/Threshold/Adjacent Gap")->SetInt(adjGap);
OPT_SET("Tool/Timing Post Processor/Threshold/Adjacent Overlap")->SetInt(adjOverlap);
OPT_SET("Tool/Timing Post Processor/Adjacent Bias")->SetDouble(adjacentBias->GetValue() / 100.0);
OPT_SET("Tool/Timing Post Processor/Enable/Lead/IN")->SetBool(hasLeadIn->IsChecked());
OPT_SET("Tool/Timing Post Processor/Enable/Lead/OUT")->SetBool(hasLeadOut->IsChecked());
if (keysEnable->IsEnabled()) OPT_SET("Tool/Timing Post Processor/Enable/Keyframe")->SetBool(keysEnable->IsChecked());
OPT_SET("Tool/Timing Post Processor/Enable/Adjacent")->SetBool(adjsEnable->IsChecked());
OPT_SET("Tool/Timing Post Processor/Only Selection")->SetBool(onlySelection->IsChecked());
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Process();
d.EndModal(0);
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}
std::vector<AssDialogue*> DialogTimingProcessor::SortDialogues() {
std::set<boost::flyweight<std::string>> styles;
for (size_t i = 0; i < StyleList->GetCount(); ++i) {
if (StyleList->IsChecked(i))
styles.insert(boost::flyweight<std::string>(from_wx(StyleList->GetString(i))));
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}
std::vector<AssDialogue*> sorted;
auto valid_line = [&](const AssDialogue *d) { return !d->Comment && styles.count(d->Style); };
if (onlySelection->IsChecked())
boost::copy(c->selectionController->GetSelectedSet() | filtered(valid_line),
back_inserter(sorted));
else {
sorted.reserve(c->ass->Events.size());
boost::push_back(sorted, c->ass->Events | agi::address_of | filtered(valid_line));
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}
// Check if rows are valid
for (auto diag : sorted) {
if (diag->Start > diag->End) {
wxMessageBox(
fmt_tl("One of the lines in the file (%i) has negative duration. Aborting.", diag->Row),
_("Invalid script"),
wxOK | wxICON_ERROR | wxCENTER);
sorted.clear();
break;
}
}
boost::sort(sorted, [](const AssDialogue *a, const AssDialogue *b) {
return a->Start < b->Start;
});
return sorted;
}
static int get_closest_kf(std::vector<int> const& kf, int frame) {
const auto pos = boost::upper_bound(kf, frame);
// Return last keyframe if this is after the last one
if (pos == end(kf)) return kf.back();
// *pos is greater than frame, and *(pos - 1) is less than or equal to frame
return (pos == begin(kf) || *pos - frame < frame - *(pos - 1)) ? *pos : *(pos - 1);
}
template<class Iter, class Field>
static int safe_time(Iter begin, Iter end, AssDialogue *comp, int initial, Field field, int const& (*cmp)(int const&, int const&)) {
// Compare to every previous line (yay for O(n^2)!) to see if it's OK to add lead-in
for (; begin != end; ++begin) {
// If the line doesn't already collide with this line, extend it only
// to the edge of the line
if (!comp->CollidesWith(*begin))
initial = cmp(initial, (*begin)->*field);
}
return initial;
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}
void DialogTimingProcessor::Process() {
std::vector<AssDialogue*> sorted = SortDialogues();
if (sorted.empty()) return;
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// Add lead-in/out
if (hasLeadIn->IsChecked() && leadIn) {
for (size_t i = 0; i < sorted.size(); ++i)
sorted[i]->Start = safe_time(sorted.rend() - i, sorted.rend(),
sorted[i], sorted[i]->Start - leadIn,
&AssDialogue::End, &std::max<int>);
}
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if (hasLeadOut->IsChecked() && leadOut) {
for (size_t i = 0; i < sorted.size(); ++i)
sorted[i]->End = safe_time(sorted.begin() + i + 1, sorted.end(),
sorted[i], sorted[i]->End + leadOut,
&AssDialogue::Start, &std::min<int>);
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}
// Make adjacent
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if (adjsEnable->IsChecked()) {
double bias = adjacentBias->GetValue() / 100.0;
for (size_t i = 1; i < sorted.size(); ++i) {
AssDialogue *prev = sorted[i - 1];
AssDialogue *cur = sorted[i];
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int dist = cur->Start - prev->End;
if ((dist < 0 && -dist <= adjOverlap) || (dist > 0 && dist <= adjGap)) {
int setPos = prev->End + int(dist * bias);
cur->Start = setPos;
prev->End = setPos;
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}
}
}
// Keyframe snapping
if (keysEnable->IsChecked()) {
std::vector<int> kf = c->project->Keyframes();
auto fps = c->project->Timecodes();
if (auto provider = c->project->VideoProvider())
kf.push_back(provider->GetFrameCount() - 1);
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for (AssDialogue *cur : sorted) {
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// Get start/end frames
int startF = fps.FrameAtTime(cur->Start, agi::vfr::START);
int endF = fps.FrameAtTime(cur->End, agi::vfr::END);
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// Get closest for start
int closest = get_closest_kf(kf, startF);
int time = fps.TimeAtFrame(closest, agi::vfr::START);
if ((closest > startF && time - cur->Start <= beforeStart) || (closest < startF && cur->Start - time <= afterStart))
cur->Start = time;
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// Get closest for end
closest = get_closest_kf(kf, endF) - 1;
time = fps.TimeAtFrame(closest, agi::vfr::END);
if ((closest > endF && time - cur->End <= beforeEnd) || (closest < endF && cur->End - time <= afterEnd))
cur->End = time;
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}
}
c->ass->Commit(_("timing processor"), AssFile::COMMIT_DIAG_TIME);
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}
}
void ShowTimingProcessorDialog(agi::Context *c) {
DialogTimingProcessor(c).d.ShowModal();
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}