diff options
Diffstat (limited to 'libs/ardour/jack_audio_port.cc')
| -rw-r--r-- | libs/ardour/jack_audio_port.cc | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libs/ardour/jack_audio_port.cc b/libs/ardour/jack_audio_port.cc index 7ce00b8f11..ed52eada9c 100644 --- a/libs/ardour/jack_audio_port.cc +++ b/libs/ardour/jack_audio_port.cc @@ -26,6 +26,7 @@ JackAudioPort::JackAudioPort (const std::string& name, Flags flgs, AudioBuffer* : Port (name, flgs) , JackPort (name, DataType::AUDIO, flgs) , BaseAudioPort (name, flgs) + , _has_been_mixed_down( false ) { if (buf) { @@ -53,3 +54,29 @@ JackAudioPort::reestablish () return ret; } +AudioBuffer& +JackAudioPort::get_audio_buffer (nframes_t nframes, nframes_t offset) { + assert (_buffer); + + if (_has_been_mixed_down) + return *_buffer; + + if( _flags & IsInput ) + _buffer->set_data ((Sample*) jack_port_get_buffer (_port, nframes), nframes+offset); + + + if (nframes) + _has_been_mixed_down = true; + + return *_buffer; +} + +void +JackAudioPort::cycle_start (nframes_t nframes, nframes_t offset) { + if( _flags & IsOutput ) + _buffer->set_data ((Sample*) jack_port_get_buffer (_port, nframes), nframes+offset); +} +void +JackAudioPort::cycle_end (nframes_t nframes, nframes_t offset) { + _has_been_mixed_down=false; +} |