X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fupmixer_a.cc;h=f402b6691fc982fc180302d9792c9f8d395559b6;hb=0330b684fe616b465e65b67f7d995e659fa83fca;hp=a01ff30bb40f39dfbd2e6199e152a1513de6d549;hpb=2610abb85fc82056c51c540d7a3d8f691dfe3403;p=dcpomatic.git diff --git a/src/lib/upmixer_a.cc b/src/lib/upmixer_a.cc index a01ff30bb..f402b6691 100644 --- a/src/lib/upmixer_a.cc +++ b/src/lib/upmixer_a.cc @@ -1,32 +1,37 @@ /* - Copyright (C) 2014-2015 Carl Hetherington + Copyright (C) 2014-2021 Carl Hetherington - 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 . */ + #include "upmixer_a.h" #include "audio_buffers.h" #include "audio_mapping.h" #include "i18n.h" -using std::string; + +using std::make_shared; using std::min; +using std::shared_ptr; +using std::string; using std::vector; -using boost::shared_ptr; + UpmixerA::UpmixerA (int sampling_rate) : _left (0.02, 1900.0 / sampling_rate, 4800.0 / sampling_rate) @@ -39,52 +44,57 @@ UpmixerA::UpmixerA (int sampling_rate) } + string UpmixerA::name () const { return _("Stereo to 5.1 up-mixer A"); } + string UpmixerA::id () const { return N_("stereo-5.1-upmix-a"); } + int UpmixerA::out_channels () const { return 6; } + shared_ptr UpmixerA::clone (int sampling_rate) const { - return shared_ptr (new UpmixerA (sampling_rate)); + return make_shared(sampling_rate); } + shared_ptr UpmixerA::run (shared_ptr in, int channels) { /* Input L and R */ - shared_ptr in_L = in->channel (0); - shared_ptr in_R = in->channel (1); + auto in_L = in->channel (0); + auto in_R = in->channel (1); /* Mix of L and R; -6dB down in amplitude (3dB in terms of power) */ - shared_ptr in_LR = in_L->clone (); - in_LR->accumulate_frames (in_R.get(), 0, 0, in_R->frames ()); + auto in_LR = in_L->clone (); + in_LR->accumulate_frames (in_R.get(), in_R->frames(), 0, 0); in_LR->apply_gain (-6); /* Run filters */ - vector > all_out; - all_out.push_back (_left.run (in_L)); - all_out.push_back (_right.run (in_R)); - all_out.push_back (_centre.run (in_LR)); - all_out.push_back (_lfe.run (in_LR)); - all_out.push_back (_ls.run (in_L)); - all_out.push_back (_rs.run (in_R)); - - shared_ptr out (new AudioBuffers (channels, in->frames ())); + vector> all_out; + all_out.push_back (_left.run(in_L)); + all_out.push_back (_right.run(in_R)); + all_out.push_back (_centre.run(in_LR)); + all_out.push_back (_lfe.run(in_LR)); + all_out.push_back (_ls.run(in_L)); + all_out.push_back (_rs.run(in_R)); + + auto out = make_shared(channels, in->frames()); int const N = min (channels, 6); for (int i = 0; i < N; ++i) { @@ -109,6 +119,7 @@ UpmixerA::flush () _rs.flush (); } + void UpmixerA::make_audio_mapping_default (AudioMapping& mapping) const { @@ -119,11 +130,12 @@ UpmixerA::make_audio_mapping_default (AudioMapping& mapping) const } } -vector + +vector UpmixerA::input_names () const { - vector n; - n.push_back (_("Upmix L")); - n.push_back (_("Upmix R")); - return n; + return { + NamedChannel(_("Upmix L"), 0), + NamedChannel(_("Upmix R"), 1) + }; }