diff options
Diffstat (limited to 'src/libs/engine/ProcessContext.hpp')
| -rw-r--r-- | src/libs/engine/ProcessContext.hpp | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/src/libs/engine/ProcessContext.hpp b/src/libs/engine/ProcessContext.hpp index 4d5f733f..c85c9ff6 100644 --- a/src/libs/engine/ProcessContext.hpp +++ b/src/libs/engine/ProcessContext.hpp @@ -29,17 +29,34 @@ namespace Ingen { * process in the audio thread, e.g. the available thread pool, sink for * events (generated in the audio thread, not user initiated events), etc. * + * Note the distinction between nframes and start/end. If transport speed + * != 1.0, end-start != nframes (though currently that is never the case, it + * may be in the future with sequencerey things). + * * \ingroup engine */ class ProcessContext { public: - ProcessContext() : _event_sink(1024) {} // FIXME: size? - - EventSink& event_sink() { return _event_sink; } + ProcessContext(Engine& engine) : _event_sink(engine, 1024) {} // FIXME: size? + + void set_time_slice(SampleCount nframes, FrameTime start, FrameTime end) { + _nframes = nframes; + _start = start; + _end = end; + } + + inline SampleCount nframes() const { return _nframes; } + inline FrameTime start() const { return _start; } + inline FrameTime end() const { return _end; } + inline const EventSink& event_sink() const { return _event_sink; } + inline EventSink& event_sink() { return _event_sink; } private: - EventSink _event_sink; + SampleCount _nframes; ///< Number of actual time (Jack) frames this cycle + FrameTime _start; ///< Start frame of this cycle, timeline relative + FrameTime _end; ///< End frame of this cycle, timeline relative + EventSink _event_sink; ///< Sink for events generated in the audio thread }; |