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add compost auto_pan, vocal_cancelled

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bolero-MURAKAMI 2012-11-25 23:52:25 +09:00
parent e588c4925a
commit b7cf29d767
3 changed files with 213 additions and 0 deletions
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53
sprout/compost/effects/vocal_cancelled.hpp Normal file
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#ifndef SPROUT_COMPOST_EFFECTS_VOCAL_CANCELLED_HPP
#define SPROUT_COMPOST_EFFECTS_VOCAL_CANCELLED_HPP
#include <sprout/config.hpp>
#include <sprout/utility/lvalue_forward.hpp>
#include <sprout/functional/minus.hpp>
#include <sprout/range/adaptor/transformed.hpp>
#include <sprout/compost/formats/left_channel.hpp>
#include <sprout/compost/formats/right_channel.hpp>
namespace sprout {
namespace compost {
namespace effects {
//
// vocal_cancelled_forwarder
//
class vocal_cancelled_forwarder {};
//
// vocal_cancelled
//
namespace {
SPROUT_STATIC_CONSTEXPR sprout::compost::effects::vocal_cancelled_forwarder vocal_cancelled{};
} // anonymous-namespace
//
// operator|
//
template<typename Range>
inline SPROUT_CONSTEXPR auto
operator|(Range&& lhs, sprout::compost::effects::vocal_cancelled_forwarder const& rhs)
-> decltype(
sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::left_channel
| sprout::adaptors::transformed(
sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::right_channel,
sprout::minus<>()
)
)
{
return sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::left_channel
| sprout::adaptors::transformed(
sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::right_channel,
sprout::minus<>()
)
;
}
} // namespace effects
using sprout::compost::effects::vocal_cancelled;
} // namespace compost
} // namespace sprout
#endif // #ifndef SPROUT_COMPOST_EFFECTS_VOCAL_CANCELLED_HPP