X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Faudio_port.cc;h=e2bb20dbe958c20753422e202e0d74cf8a911fa8;hb=8de12a40158683c665fc0bf242b2fc150d3ad538;hp=2e3682fe3b43b8d4d6187f82676a4a1e7a871797;hpb=fc9ab1ccbdfc4ae8bdec962e4c9439c1fc59a55f;p=ardour.git diff --git a/libs/ardour/audio_port.cc b/libs/ardour/audio_port.cc index 2e3682fe3b..e2bb20dbe9 100644 --- a/libs/ardour/audio_port.cc +++ b/libs/ardour/audio_port.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2006 Paul Davis + Copyright (C) 2006 Paul Davis This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,42 +17,75 @@ */ #include -#include -#include + +#include "pbd/stacktrace.h" + +#include "ardour/audio_buffer.h" +#include "ardour/audioengine.h" +#include "ardour/audio_port.h" +#include "ardour/data_type.h" +#include "ardour/port_engine.h" using namespace ARDOUR; using namespace std; -nframes_t AudioPort::_short_over_length = 2; -nframes_t AudioPort::_long_over_length = 10; +#define port_engine AudioEngine::instance()->port_engine() -AudioPort::AudioPort(Flags flags) - : Port (flags), _buffer (0) +AudioPort::AudioPort (const std::string& name, PortFlags flags) + : Port (name, DataType::AUDIO, flags) + , _buffer (new AudioBuffer (0)) { - _type = DataType::AUDIO; - reset(); + assert (name.find_first_of (':') == string::npos); } -AudioPort::AudioPort(Flags flags, nframes_t nframes) - : Port (flags), _buffer (nframes) +AudioPort::~AudioPort () { - _type = DataType::AUDIO; - reset(); + delete _buffer; } void -AudioPort::reset() +AudioPort::cycle_start (pframes_t nframes) { - Port::reset(); - if (_flags & IsOutput) { - if (_buffer.capacity() > 0) { - _buffer.clear(); + /* caller must hold process lock */ + + Port::cycle_start (nframes); + + if (sends_output()) { + _buffer->prepare (); + } +} + +void +AudioPort::cycle_end (pframes_t nframes) +{ + if (sends_output() && !_buffer->written()) { + if (_buffer->capacity() >= nframes) { + _buffer->silence (nframes); } - assert(_buffer.silent()); } - - _metering = 0; - reset_meters (); } +void +AudioPort::cycle_split () +{ +} + +AudioBuffer& +AudioPort::get_audio_buffer (pframes_t nframes) +{ + /* caller must hold process lock */ + _buffer->set_data ((Sample *) port_engine.get_buffer (_port_handle, _cycle_nframes) + + _global_port_buffer_offset + _port_buffer_offset, nframes); + return *_buffer; +} + +Sample* +AudioPort::engine_get_whole_audio_buffer () +{ + /* caller must hold process lock */ + return (Sample *) port_engine.get_buffer (_port_handle, _cycle_nframes); +} + + +