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Use boost.rational for AR normalization

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This commit is contained in:
Thomas Goyne 2013-01-20 11:39:43 -08:00
parent 1e1a09e67a
commit 9537e14c3c
1 changed files with 4 additions and 12 deletions
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16
aegisub/src/dialog_video_details.cpp
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@ -43,6 +43,8 @@
#include "video_context.h"
#include "video_provider_manager.h"
#include <boost/rational.hpp>
#include <wx/sizer.h>
#include <wx/stattext.h>
#include <wx/textctrl.h>
@ -52,17 +54,6 @@ static void make_field(wxWindow *parent, wxSizer *sizer, wxString const& name, w
sizer->Add(new wxTextCtrl(parent, -1, value, wxDefaultPosition, wxSize(300,-1), wxTE_READONLY), 0, wxALIGN_CENTRE_VERTICAL | wxEXPAND);
}
static wxString pretty_ar(int width, int height) {
int limit = (int)ceil(sqrt(double(std::min(width, height))));
for (int i=2;i<=limit;i++) {
while (width % i == 0 && height % i == 0) {
width /= i;
height /= i;
}
}
return wxString::Format("%d:%d", width, height);
}
DialogVideoDetails::DialogVideoDetails(agi::Context *c)
: wxDialog(c->parent , -1, _("Video Details"))
{
@ -70,11 +61,12 @@ DialogVideoDetails::DialogVideoDetails(agi::Context *c)
auto height = c->videoController->GetHeight();
auto framecount = c->videoController->GetLength();
auto fps = c->videoController->FPS();
boost::rational<int> ar(width, height);
wxFlexGridSizer *fg = new wxFlexGridSizer(2, 5, 10);
make_field(this, fg, _("File name:"), c->videoController->GetVideoName().wstring());
make_field(this, fg, _("FPS:"), wxString::Format("%.3f", fps.FPS()));
make_field(this, fg, _("Resolution:"), wxString::Format("%dx%d (%s)", width, height, pretty_ar(width, height)));
make_field(this, fg, _("Resolution:"), wxString::Format("%dx%d (%d:%d)", width, height, ar.numerator(), ar.denominator()));
make_field(this, fg, _("Length:"), wxString::Format(_("%d frames (%s)"), framecount, to_wx(AssTime(fps.TimeAtFrame(framecount - 1)).GetAssFormated(true))));
make_field(this, fg, _("Decoder:"), to_wx(c->videoController->GetProvider()->GetDecoderName()));