std::shared_ptr
[dcpomatic.git] / src / lib / audio_mapping.cc
index 86add09f4cb4330cdcc039fb9d8477f83e8f4465..37a3d5fa22b8d8dc03b684e08a4f7842b747391f 100644 (file)
 */
 
 #include "audio_mapping.h"
-#include "util.h"
-#include "digester.h"
 #include "audio_processor.h"
+#include "digester.h"
+#include "util.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>
 
@@ -36,8 +39,8 @@ using std::string;
 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;
 
@@ -81,16 +84,32 @@ AudioMapping::make_zero ()
        }
 }
 
+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 string const regex[] = {
-               ".*[\\._-]L[\\._-].*",
-               ".*[\\._-]R[\\._-].*",
-               ".*[\\._-]C[\\._-].*",
-               ".*[\\._-]Lfe[\\._-].*",
-               ".*[\\._-]Ls[\\._-].*",
-               ".*[\\._-]Rs[\\._-].*"
+       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);
@@ -105,9 +124,9 @@ AudioMapping::make_default (AudioProcessor const * processor, optional<boost::fi
                        /* See if we can guess where this stream should go */
                        if (filename) {
                                for (int i = 0; i < regexes; ++i) {
-                                       boost::regex e (regex[i], boost::regex::icase);
-                                       if (boost::regex_match(filename->string(), e) && i < output_channels()) {
-                                               set (0, i, 1);
+                                       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;
                                        }
                                }
@@ -163,6 +182,8 @@ AudioMapping::AudioMapping (cxml::ConstNodePtr node, int state_version)
 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;
 }
 
@@ -216,7 +237,7 @@ AudioMapping::mapped_output_channels () const
        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) {
+               BOOST_FOREACH (dcp::Channel j, dcp::used_audio_channels()) {
                        if (abs ((*i)[j]) > minus_96_db) {
                                mapped.push_back (j);
                        }