diff options
Diffstat (limited to 'src/engine/AudioBuffer.hpp')
| -rw-r--r-- | src/engine/AudioBuffer.hpp | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/engine/AudioBuffer.hpp b/src/engine/AudioBuffer.hpp index cfac3d59..7edfdef3 100644 --- a/src/engine/AudioBuffer.hpp +++ b/src/engine/AudioBuffer.hpp @@ -23,6 +23,7 @@ #include <boost/utility.hpp> #include "types.hpp" #include "ObjectBuffer.hpp" +#include "Context.hpp" using namespace std; @@ -42,7 +43,7 @@ public: void copy(Context& context, const Buffer* src); void accumulate(Context& context, const AudioBuffer* src); - bool is_control() const { return _type.symbol() == Shared::PortType::CONTROL; } + inline bool is_control() const { return _type.symbol() == Shared::PortType::CONTROL; } inline Sample* data() const { return (is_control()) @@ -75,6 +76,35 @@ private: }; +/** Accumulate a block of @a src into buffer. + */ +inline void +AudioBuffer::accumulate(Context& context, const AudioBuffer* const src) +{ + Sample* const buf = data(); + const Sample* const src_buf = src->data(); + + if (is_control()) { + if (src->is_control()) { // control => control + buf[0] += src_buf[0]; + } else { // audio => control + buf[0] += src_buf[context.offset()]; + } + } else { + const SampleCount end = context.offset() + context.nframes(); + if (src->is_control()) { // control => audio + for (SampleCount i = context.offset(); i < end; ++i) { + buf[i] += src_buf[0]; + } + } else { // audio => audio + for (SampleCount i = context.offset(); i < end; ++i) { + buf[i] += src_buf[i]; + } + } + } +} + + } // namespace Ingen #endif // INGEN_ENGINE_AUDIOBUFFER_HPP |