/*
- Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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,
+ DCP-o-matic 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.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "audio_mapping.h"
+#include "audio_processor.h"
+#include "digester.h"
#include "util.h"
-#include "md5_digester.h"
-#include "raw_convert.h"
+#include "warnings.h"
+#include <dcp/raw_convert.h>
#include <libcxml/cxml.h>
+DCPOMATIC_DISABLE_WARNINGS
#include <libxml++/libxml++.h>
+DCPOMATIC_ENABLE_WARNINGS
+#include <boost/regex.hpp>
+#include <iostream>
using std::list;
using std::cout;
using std::min;
using std::vector;
using std::abs;
-using boost::shared_ptr;
-using boost::dynamic_pointer_cast;
+using std::shared_ptr;
+using std::dynamic_pointer_cast;
+using boost::optional;
+using dcp::raw_convert;
AudioMapping::AudioMapping ()
: _input_channels (0)
{
_input_channels = input_channels;
_output_channels = output_channels;
-
+
_gain.resize (_input_channels);
for (int i = 0; i < _input_channels; ++i) {
_gain[i].resize (_output_channels);
}
}
+struct ChannelRegex
+{
+ ChannelRegex (string regex_, int channel_)
+ : regex (regex_)
+ , channel (channel_)
+ {}
+
+ string regex;
+ int channel;
+};
+
+void
+AudioMapping::make_default (AudioProcessor const * processor, optional<boost::filesystem::path> filename)
+{
+ static ChannelRegex const regex[] = {
+ ChannelRegex(".*[\\._-]L[\\._-].*", 0),
+ ChannelRegex(".*[\\._-]R[\\._-].*", 1),
+ ChannelRegex(".*[\\._-]C[\\._-].*", 2),
+ ChannelRegex(".*[\\._-]Lfe[\\._-].*", 3),
+ ChannelRegex(".*[\\._-]LFE[\\._-].*", 3),
+ ChannelRegex(".*[\\._-]Lss[\\._-].*", 4),
+ ChannelRegex(".*[\\._-]Lsr[\\._-].*", 6),
+ ChannelRegex(".*[\\._-]Ls[\\._-].*", 4),
+ ChannelRegex(".*[\\._-]Rss[\\._-].*", 5),
+ ChannelRegex(".*[\\._-]Rsr[\\._-].*", 7),
+ ChannelRegex(".*[\\._-]Rs[\\._-].*", 5),
+ };
+
+ static int const regexes = sizeof(regex) / sizeof(*regex);
+
+ if (processor) {
+ processor->make_audio_mapping_default (*this);
+ } else {
+ make_zero ();
+ if (input_channels() == 1) {
+ bool guessed = false;
+
+ /* See if we can guess where this stream should go */
+ if (filename) {
+ for (int i = 0; i < regexes; ++i) {
+ boost::regex e (regex[i].regex, boost::regex::icase);
+ if (boost::regex_match(filename->string(), e) && regex[i].channel < output_channels()) {
+ set (0, regex[i].channel, 1);
+ guessed = true;
+ }
+ }
+ }
+
+ if (!guessed) {
+ /* If we have no idea, just put it on centre */
+ set (0, static_cast<int>(dcp::CENTRE), 1);
+ }
+ } else {
+ /* 1:1 mapping */
+ for (int i = 0; i < min (input_channels(), output_channels()); ++i) {
+ set (i, i, 1);
+ }
+ }
+ }
+}
+
AudioMapping::AudioMapping (cxml::ConstNodePtr node, int state_version)
{
if (state_version < 32) {
void
AudioMapping::set (int input_channel, int output_channel, float g)
{
+ DCPOMATIC_ASSERT (input_channel < int(_gain.size()));
+ DCPOMATIC_ASSERT (output_channel < int(_gain[0].size()));
_gain[input_channel][output_channel] = g;
}
float
AudioMapping::get (int input_channel, int output_channel) const
{
+ DCPOMATIC_ASSERT (input_channel < int (_gain.size()));
+ DCPOMATIC_ASSERT (output_channel < int (_gain[0].size()));
return _gain[input_channel][output_channel];
}
string
AudioMapping::digest () const
{
- MD5Digester digester;
+ Digester digester;
digester.add (_input_channels);
digester.add (_output_channels);
for (int i = 0; i < _input_channels; ++i) {
static float const minus_96_db = 0.000015849;
list<int> mapped;
-
+
for (vector<vector<float> >::const_iterator i = _gain.begin(); i != _gain.end(); ++i) {
- for (size_t j = 0; j < i->size(); ++j) {
+ for (auto j: dcp::used_audio_channels()) {
if (abs ((*i)[j]) > minus_96_db) {
mapped.push_back (j);
}
mapped.sort ();
mapped.unique ();
-
+
return mapped;
}