X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fmid_side_decoder.cc;h=d3d85622c22f30b6cba0d17e372329ce0c563c85;hb=d311043bf3c1e3e7f41b314f7ab7c91ed7e5aa7f;hp=8d5dc1875b76c2bf38e66181b206c588fecd0b84;hpb=5a5324ed3a381a86dfe0a6e3932c1d58fdcd596f;p=dcpomatic.git diff --git a/src/lib/mid_side_decoder.cc b/src/lib/mid_side_decoder.cc index 8d5dc1875..d3d85622c 100644 --- a/src/lib/mid_side_decoder.cc +++ b/src/lib/mid_side_decoder.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2014-2015 Carl Hetherington + Copyright (C) 2014-2021 Carl Hetherington This file is part of DCP-o-matic. @@ -18,18 +18,20 @@ */ -#include "mid_side_decoder.h" + #include "audio_buffers.h" #include "audio_mapping.h" -#include +#include "mid_side_decoder.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; -using boost::make_shared; + string MidSideDecoder::name () const @@ -37,33 +39,37 @@ MidSideDecoder::name () const return _("Mid-side decoder"); } + string MidSideDecoder::id () const { return N_("mid-side-decoder"); } + int MidSideDecoder::out_channels () const { return 3; } + shared_ptr MidSideDecoder::clone (int) const { - return make_shared (); + return make_shared(); } + shared_ptr MidSideDecoder::run (shared_ptr in, int channels) { int const N = min (channels, 3); - shared_ptr out = make_shared (channels, in->frames ()); + auto out = make_shared(channels, in->frames ()); for (int i = 0; i < in->frames(); ++i) { - float const left = in->data()[0][i]; - float const right = in->data()[1][i]; - float const mid = (left + right) / 2; + auto const left = in->data()[0][i]; + auto const right = in->data()[1][i]; + auto const mid = (left + right) / 2; if (N > 0) { out->data()[0][i] = left - mid; } @@ -82,23 +88,23 @@ MidSideDecoder::run (shared_ptr in, int channels) return out; } + void MidSideDecoder::make_audio_mapping_default (AudioMapping& mapping) const { /* Just map the first two input channels to our M/S */ mapping.make_zero (); - for (int i = 0; i < min (2, mapping.input_channels()); ++i) { + for (int i = 0; i < min(2, mapping.input_channels()); ++i) { mapping.set (i, i, 1); } } -vector + +vector MidSideDecoder::input_names () const { - vector n; - - n.push_back (_("Left")); - n.push_back (_("Right")); - - return n; + return { + NamedChannel(_("Left"), 0), + NamedChannel(_("Right"), 1) + }; }