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/*
Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "audio_dialog.h"
#include "audio_plot.h"
#include "audio_analysis.h"
#include "film.h"
#include "wx_util.h"
using boost::shared_ptr;
AudioDialog::AudioDialog (wxWindow* parent, boost::shared_ptr<Film> film)
: wxDialog (parent, wxID_ANY, _("Audio"), wxDefaultPosition, wxSize (640, 512), wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
, _plot (0)
{
wxBoxSizer* sizer = new wxBoxSizer (wxHORIZONTAL);
_plot = new AudioPlot (this);
sizer->Add (_plot, 1);
wxFlexGridSizer* table = new wxFlexGridSizer (2, 6, 6);
add_label_to_sizer (table, this, _("Channel"));
_channel = new wxChoice (this, wxID_ANY);
table->Add (_channel, 1, wxEXPAND | wxALL, 6);
sizer->Add (table);
set_film (film);
SetSizer (sizer);
sizer->Layout ();
sizer->SetSizeHints (this);
_channel->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler (AudioDialog::channel_changed), 0, this);
}
void
AudioDialog::set_film (boost::shared_ptr<Film> f)
{
_film_connection.disconnect ();
_film = f;
shared_ptr<AudioAnalysis> a;
try {
a.reset (new AudioAnalysis (f->audio_analysis_path ()));
} catch (...) {
}
_plot->set_analysis (a);
_channel->Clear ();
for (int i = 0; i < f->audio_stream()->channels(); ++i) {
_channel->Append (audio_channel_name (i));
}
_channel->SetSelection (0);
_film_connection = f->Changed.connect (bind (&AudioDialog::film_changed, this, _1));
}
void
AudioDialog::channel_changed (wxCommandEvent &)
{
_plot->set_channel (_channel->GetSelection ());
}
void
AudioDialog::film_changed (Film::Property p)
{
if (p == Film::AUDIO_GAIN) {
_plot->set_gain (_film->audio_gain ());
}
}
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