Aegisub/src/dialog_video_properties.cpp

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// Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/
#include "ass_file.h"
#include "async_video_provider.h"
#include "format.h"
#include "help_button.h"
#include "options.h"
#include "resolution_resampler.h"
#include <wx/dialog.h>
#include <wx/intl.h>
#include <wx/radiobox.h>
#include <wx/sizer.h>
#include <wx/stattext.h>
namespace {
enum {
MISMATCH_IGNORE,
MISMATCH_PROMPT,
MISMATCH_RESAMPLE,
MISMATCH_SET
};
enum {
FIX_IGNORE,
FIX_SET,
FIX_RESAMPLE
};
int prompt(wxWindow *parent, bool ar_changed, int sx, int sy, int vx, int vy) {
wxDialog d(parent, -1, _("Resolution mismatch"));
auto label_text = fmt_tl("The resolution of the loaded video and the resolution specified for the subtitles don't match.\n\nVideo resolution:\t%d x %d\nScript resolution:\t%d x %d\n\nChange subtitles resolution to match video?", vx, vy, sx, sy);
auto sizer = new wxBoxSizer(wxVERTICAL);
sizer->Add(new wxStaticText(&d, -1, label_text), wxSizerFlags().Border());
wxRadioBox *rb;
if (ar_changed) {
wxString choices[] = {
_("Set to video resolution"),
_("Resample script (stretch to new aspect ratio)"),
_("Resample script (add borders)"),
_("Resample script (remove borders)")
};
rb = new wxRadioBox(&d, -1, "", wxDefaultPosition, wxDefaultSize, 4, choices, 1);
}
else {
wxString choices[] = {
_("Set to video resolution"),
_("Resample script"),
};
rb = new wxRadioBox(&d, -1, "", wxDefaultPosition, wxDefaultSize, 2, choices, 1);
}
sizer->Add(rb, wxSizerFlags().Border(wxALL & ~wxTOP).Expand());
sizer->Add(d.CreateStdDialogButtonSizer(wxOK | wxCANCEL | wxHELP), wxSizerFlags().Border().Expand());
unsigned int sel = OPT_GET("Video/Last Script Resolution Mismatch Choice")->GetInt();
rb->SetSelection(std::min(sel - 1, rb->GetCount()));
d.SetSizerAndFit(sizer);
d.CenterOnParent();
d.Bind(wxEVT_BUTTON, [&](wxCommandEvent&) { d.EndModal(rb->GetSelection() + 1); }, wxID_OK);
d.Bind(wxEVT_BUTTON, [&](wxCommandEvent&) { d.EndModal(0); }, wxID_CANCEL);
d.Bind(wxEVT_BUTTON, [&](wxCommandEvent&) { HelpButton::OpenPage("Resolution mismatch"); }, wxID_HELP);
return d.ShowModal();
}
bool update_video_properties(AssFile *file, const AsyncVideoProvider *new_provider, wxWindow *parent) {
bool commit_subs = false;
// When opening dummy video only want to set the script properties if
// they were previously unset
bool set_properties = new_provider->ShouldSetVideoProperties();
auto matrix = new_provider->GetColorSpace();
if (set_properties && matrix != file->GetScriptInfo("YCbCr Matrix")) {
file->SetScriptInfo("YCbCr Matrix", matrix);
commit_subs = true;
}
// Check that the script resolution matches the video resolution
int sx = file->GetScriptInfoAsInt("PlayResX");
int sy = file->GetScriptInfoAsInt("PlayResY");
int vx = new_provider->GetWidth();
int vy = new_provider->GetHeight();
// If the script resolution hasn't been set at all just force it to the
// video resolution
if (sx == 0 && sy == 0) {
file->SetScriptInfo("PlayResX", std::to_string(vx));
file->SetScriptInfo("PlayResY", std::to_string(vy));
return true;
}
if (!set_properties)
return false;
// Treat exact multiples of the video resolution as equaling the resolution
// for the people who use that for subpixel precision (which is mostly
// pointless these days due to decimals being supported almost everywhere)
if (sx % vx == 0 && sy % vy == 0)
return commit_subs;
auto sar = double(sx) / sy;
auto var = double(vx) / vy;
bool ar_changed = std::abs(sar - var) / var > .01;
switch (OPT_GET("Video/Script Resolution Mismatch")->GetInt()) {
case MISMATCH_IGNORE: default:
return commit_subs;
case MISMATCH_SET:
file->SetScriptInfo("PlayResX", std::to_string(vx));
file->SetScriptInfo("PlayResY", std::to_string(vy));
return true;
case MISMATCH_RESAMPLE:
// Fallthrough to prompt if the AR changed
if (!ar_changed) {
ResampleResolution(file, {
{0, 0, 0, 0},
sx, sy, vx, vy,
ResampleARMode::Stretch,
YCbCrMatrix::rgb, YCbCrMatrix::rgb
});
return true;
}
case MISMATCH_PROMPT:
int res = prompt(parent, ar_changed, sx, sy, vx, vy);
if (res == FIX_IGNORE) return commit_subs;
OPT_SET("Video/Last Script Resolution Mismatch Choice")->SetInt(res);
ResampleResolution(file, {
{0, 0, 0, 0},
sx, sy, vx, vy,
static_cast<ResampleARMode>(res - FIX_RESAMPLE),
YCbCrMatrix::rgb, YCbCrMatrix::rgb
});
return true;
}
}
}
void UpdateVideoProperties(AssFile *file, const AsyncVideoProvider *new_provider, wxWindow *parent) {
if (update_video_properties(file, new_provider, parent))
file->Commit(_("change script resolution"), AssFile::COMMIT_SCRIPTINFO);
}