*/
-#include <ardour/export_channel.h>
+#include "ardour/audio_buffer.h"
+#include "ardour/audio_port.h"
+#include "ardour/audio_track.h"
+#include "ardour/audioengine.h"
+#include "ardour/audioregion.h"
+#include "ardour/capturing_processor.h"
+#include "ardour/export_channel.h"
+#include "ardour/export_failed.h"
+#include "ardour/session.h"
-#include <ardour/export_failed.h>
-#include <ardour/audioengine.h>
+#include "pbd/error.h"
+
+#include "i18n.h"
using namespace ARDOUR;
+PortExportChannel::PortExportChannel ()
+ : buffer_size(0)
+{
+}
+
+void PortExportChannel::set_max_buffer_size(framecnt_t frames)
+{
+ buffer_size = frames;
+ buffer.reset (new Sample[frames]);
+}
+
bool
PortExportChannel::operator< (ExportChannel const & other) const
{
}
void
-PortExportChannel::read (Sample * data, nframes_t frames) const
+PortExportChannel::read (Sample const *& data, framecnt_t frames) const
{
- memset (data, 0, frames * sizeof (float));
+ assert(buffer);
+ assert(frames <= buffer_size);
+
+ if (ports.size() == 1) {
+ data = (*ports.begin())->get_audio_buffer(frames).data();
+ return;
+ }
+
+ memset (buffer.get(), 0, frames * sizeof (Sample));
for (PortSet::const_iterator it = ports.begin(); it != ports.end(); ++it) {
if (*it != 0) {
- Sample* port_buffer = (*it)->get_audio_buffer(frames, 0).data();
-
+ Sample* port_buffer = (*it)->get_audio_buffer(frames).data();
+
for (uint32_t i = 0; i < frames; ++i) {
- data[i] += (float) port_buffer[i];
+ buffer[i] += (float) port_buffer[i];
}
}
}
+
+ data = buffer.get();
}
void
XMLNodeList xml_ports = node->children ("Port");
for (XMLNodeList::iterator it = xml_ports.begin(); it != xml_ports.end(); ++it) {
if ((prop = (*it)->property ("name"))) {
- ports.insert (dynamic_cast<AudioPort *> (session.engine().get_port_by_name (prop->value())));
+ std::string const & name = prop->value();
+ AudioPort * port = dynamic_cast<AudioPort *> (session.engine().get_port_by_name (name));
+ if (port) {
+ ports.insert (port);
+ } else {
+ PBD::warning << string_compose (_("Could not get port for export channel \"%1\", dropping the channel"), name) << endmsg;
+ }
}
}
}
switch (type) {
case Raw:
n_channels = region.n_channels();
+ break;
+ case Fades:
+ n_channels = region.n_channels();
+
+ mixdown_buffer.reset (new Sample [frames_per_cycle]);
+ gain_buffer.reset (new Sample [frames_per_cycle]);
+ memset (gain_buffer.get(), 1.0, sizeof (Sample) * frames_per_cycle);
+
break;
case Processed:
n_channels = track.n_outputs().n_audio();
default:
throw ExportFailed ("Unhandled type in ExportChannelFactory constructor");
}
-
- session->ProcessExport.connect (sigc::hide (sigc::mem_fun (*this, &RegionExportChannelFactory::new_cycle_started)));
-
- buffers.set_count (ChanCount (DataType::AUDIO, n_channels));
+
+ session->ProcessExport.connect_same_thread (export_connection, boost::bind (&RegionExportChannelFactory::new_cycle_started, this, _1));
+
buffers.ensure_buffers (DataType::AUDIO, n_channels, frames_per_cycle);
+ buffers.set_count (ChanCount (DataType::AUDIO, n_channels));
+}
+
+RegionExportChannelFactory::~RegionExportChannelFactory ()
+{
}
ExportChannelPtr
}
void
-RegionExportChannelFactory::read (uint32_t channel, Sample * data, nframes_t frames_to_read)
+RegionExportChannelFactory::read (uint32_t channel, Sample const *& data, framecnt_t frames_to_read)
{
assert (channel < n_channels);
assert (frames_to_read <= frames_per_cycle);
-
+
if (!buffers_up_to_date) {
update_buffers(frames_to_read);
buffers_up_to_date = true;
}
-
- memcpy (data, buffers.get_audio (channel).data(), frames_to_read * sizeof (Sample));
+
+ data = buffers.get_audio (channel).data();
}
void
-RegionExportChannelFactory::update_buffers (nframes_t frames)
+RegionExportChannelFactory::update_buffers (framecnt_t frames)
{
+ assert (frames <= frames_per_cycle);
+
switch (type) {
case Raw:
for (size_t channel = 0; channel < n_channels; ++channel) {
region.read (buffers.get_audio (channel).data(), position - region_start, frames, channel);
}
break;
+ case Fades:
+ assert (mixdown_buffer && gain_buffer);
+ for (size_t channel = 0; channel < n_channels; ++channel) {
+ memset (mixdown_buffer.get(), 0, sizeof (Sample) * frames);
+ region.read_at (buffers.get_audio (channel).data(), mixdown_buffer.get(), gain_buffer.get(), position, frames, channel);
+ }
+ break;
case Processed:
- std::cout << "exporting " << frames << " frames from position " << position << std::endl;
track.export_stuff (buffers, position, frames);
break;
default:
throw ExportFailed ("Unhandled type in ExportChannelFactory::update_buffers");
}
-
+
position += frames;
}
+
+
+RouteExportChannel::RouteExportChannel(boost::shared_ptr<CapturingProcessor> processor, size_t channel,
+ boost::shared_ptr<ProcessorRemover> remover)
+ : processor (processor)
+ , channel (channel)
+ , remover (remover)
+{
+}
+
+RouteExportChannel::~RouteExportChannel()
+{
+}
+
+void
+RouteExportChannel::create_from_route(std::list<ExportChannelPtr> & result, Route & route)
+{
+ boost::shared_ptr<CapturingProcessor> processor = route.add_export_point();
+ uint32_t channels = processor->input_streams().n_audio();
+
+ boost::shared_ptr<ProcessorRemover> remover (new ProcessorRemover (route, processor));
+ result.clear();
+ for (uint32_t i = 0; i < channels; ++i) {
+ result.push_back (ExportChannelPtr (new RouteExportChannel (processor, i, remover)));
+ }
+}
+
+void
+RouteExportChannel::set_max_buffer_size(framecnt_t frames)
+{
+ if (processor) {
+ processor->set_block_size (frames);
+ }
+}
+
+void
+RouteExportChannel::read (Sample const *& data, framecnt_t frames) const
+{
+ assert(processor);
+ AudioBuffer const & buffer = processor->get_capture_buffers().get_audio (channel);
+ assert (frames <= (framecnt_t) buffer.size());
+ data = buffer.data();
+}
+
+void
+RouteExportChannel::get_state (XMLNode * node) const
+{
+ // TODO
+}
+
+void
+RouteExportChannel::set_state (XMLNode * node, Session & session)
+{
+ // TODO
+}
+
+bool
+RouteExportChannel::operator< (ExportChannel const & other) const
+{
+ RouteExportChannel const * rec;
+ if ((rec = dynamic_cast<RouteExportChannel const *>(&other)) == 0) {
+ return this < &other;
+ }
+
+ if (processor.get() == rec->processor.get()) {
+ return channel < rec->channel;
+ }
+ return processor.get() < rec->processor.get();
+}
+
+RouteExportChannel::ProcessorRemover::~ProcessorRemover()
+{
+ route.remove_processor (processor);
+}
projects / ardour.git / blobdiff