diff options
Diffstat (limited to 'libs/ardour/ardour/midi_ring_buffer.h')
| -rw-r--r-- | libs/ardour/ardour/midi_ring_buffer.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libs/ardour/ardour/midi_ring_buffer.h b/libs/ardour/ardour/midi_ring_buffer.h index 21beebacd2..9389f962fc 100644 --- a/libs/ardour/ardour/midi_ring_buffer.h +++ b/libs/ardour/ardour/midi_ring_buffer.h @@ -233,6 +233,9 @@ public: size_t write(double time, size_t size, const Byte* buf); bool read(double* time, size_t* size, Byte* buf); + bool read_prefix(double* time, size_t* size); + bool read_contents(size_t size, Byte* buf); + size_t read(MidiBuffer& dst, nframes_t start, nframes_t end, nframes_t offset=0); }; @@ -250,6 +253,30 @@ MidiRingBuffer::read(double* time, size_t* size, Byte* buf) } +/** Read the time and size of an event. This call MUST be immediately proceeded + * by a call to read_contents (or the read pointer will be garabage). + */ +inline bool +MidiRingBuffer::read_prefix(double* time, size_t* size) +{ + bool success = MidiRingBufferBase<Byte>::full_read(sizeof(double), (Byte*)time); + if (success) + success = MidiRingBufferBase<Byte>::full_read(sizeof(size_t), (Byte*)size); + + return success; +} + + +/** Read the contenst of an event. This call MUST be immediately preceeded + * by a call to read_prefix (or the returned even will be garabage). + */ +inline bool +MidiRingBuffer::read_contents(size_t size, Byte* buf) +{ + return MidiRingBufferBase<Byte>::full_read(size, buf); +} + + inline size_t MidiRingBuffer::write(double time, size_t size, const Byte* buf) { |