#include "pbd/failed_constructor.h"
#include "ardour/amp.h"
+#include "ardour/audio_buffer.h"
+#include "ardour/internal_return.h"
#include "ardour/internal_send.h"
#include "ardour/meter.h"
+#include "ardour/panner.h"
+#include "ardour/panner_shell.h"
#include "ardour/route.h"
#include "ardour/session.h"
+#include "ardour/audioengine.h"
#include "i18n.h"
InternalSend::InternalSend (Session& s, boost::shared_ptr<Pannable> p, boost::shared_ptr<MuteMaster> mm, boost::shared_ptr<Route> sendto, Delivery::Role role)
: Send (s, p, mm, role)
- , target (0)
{
if (sendto) {
if (use_target (sendto)) {
throw failed_constructor();
}
}
+
+ init_gain ();
}
InternalSend::~InternalSend ()
{
if (_send_to) {
- _send_to->release_return_buffer ();
+ _send_to->remove_send_from_internal_return (this);
+ }
+}
+
+void
+InternalSend::init_gain ()
+{
+ if (_role == Listen) {
+ /* send to monitor bus is always at unity */
+ _amp->set_gain (1.0, this);
+ } else {
+ /* aux sends start at -inf dB */
+ _amp->set_gain (0, this);
}
}
int
InternalSend::use_target (boost::shared_ptr<Route> sendto)
{
+ if (_send_to) {
+ _send_to->remove_send_from_internal_return (this);
+ }
+
_send_to = sendto;
- if ((target = _send_to->get_return_buffer ()) == 0) {
- return -1;
- }
-
+ _send_to->add_send_to_internal_return (this);
+
+ mixbufs.ensure_buffers (_send_to->internal_return()->input_streams(), _session.get_block_size());
+ mixbufs.set_count (_send_to->internal_return()->input_streams());
+
+ reset_panner ();
+
set_name (sendto->name());
_send_to_id = _send_to->id();
return 0;
}
-
void
InternalSend::send_to_going_away ()
{
- target = 0;
target_connections.drop_connections ();
_send_to.reset ();
_send_to_id = "0";
void
InternalSend::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool)
{
- if ((!_active && !_pending_active) || !target || !_send_to) {
+ if ((!_active && !_pending_active) || !_send_to) {
_meter->reset ();
return;
}
// we have to copy the input, because we may alter the buffers with the amp
// in-place, which a send must never do.
- assert(mixbufs.available() >= bufs.count());
- mixbufs.read_from (bufs, nframes);
+ if (_panshell && !_panshell->bypassed()) {
+ _panshell->run (bufs, mixbufs, start_frame, end_frame, nframes);
+ } else {
+ if (role() == Listen) {
+ /* We're going to the monitor bus, so discard MIDI data */
+
+ uint32_t const bufs_audio = bufs.count().get (DataType::AUDIO);
+ uint32_t const mixbufs_audio = mixbufs.count().get (DataType::AUDIO);
+
+ assert (mixbufs.available().get (DataType::AUDIO) >= bufs_audio);
+
+ /* Copy bufs into mixbufs, going round bufs more than once if necessary
+ to ensure that every mixbuf gets some data.
+ */
+
+ uint32_t j = 0;
+ for (uint32_t i = 0; i < mixbufs_audio; ++i) {
+ mixbufs.get_audio(i).read_from (bufs.get_audio(j), nframes);
+ ++j;
+
+ if (j == bufs_audio) {
+ j = 0;
+ }
+ }
+
+ } else {
+ assert (mixbufs.available() >= bufs.count());
+ mixbufs.read_from (bufs, nframes);
+ }
+ }
/* gain control */
Amp::apply_gain (mixbufs, nframes, _current_gain, tgain);
_current_gain = tgain;
-
+
} else if (tgain == 0.0) {
/* we were quiet last time, and we're still supposed to be quiet.
_amp->run (mixbufs, start_frame, end_frame, nframes, true);
- /* XXX NEED TO PAN */
-
/* consider metering */
if (_metering) {
}
}
- /* deliver to target */
-
- target->merge_from (mixbufs, nframes);
+ /* target will pick up our output when it is ready */
out:
_active = _pending_active;
int
InternalSend::set_block_size (pframes_t nframes)
{
- mixbufs.ensure_buffers (_configured_input, nframes);
-
- /* ensure that our target can cope with us merging this many frames to it */
- if (target) {
- target->ensure_buffers (_configured_input, nframes);
+ if (_send_to) {
+ mixbufs.ensure_buffers (_send_to->internal_return()->input_streams(), nframes);
}
+
return 0;
}
}
int
-InternalSend::set_our_state (const XMLNode& node, int /*version*/)
+InternalSend::set_state (const XMLNode& node, int version)
{
const XMLProperty* prop;
+ init_gain ();
+
+ Send::set_state (node, version);
+
if ((prop = node.property ("target")) != 0) {
_send_to_id = prop->value();
return 0;
}
-int
-InternalSend::set_state (const XMLNode& node, int version)
-{
- Send::set_state (node, version);
- return set_our_state (node, version);
-}
-
int
InternalSend::connect_when_legal ()
{
return true;
}
+uint32_t
+InternalSend::pan_outs () const
+{
+ /* the number of targets for our panner is determined by what we are
+ sending to, if anything.
+ */
+
+ if (_send_to) {
+ return _send_to->internal_return()->input_streams().n_audio();
+ }
+
+ return 1; /* zero is more accurate, but 1 is probably safer as a way to
+ * say "don't pan"
+ */
+}
+
bool
InternalSend::configure_io (ChanCount in, ChanCount out)
{
set_name (_send_to->name ());
}
}
+
+void
+InternalSend::set_can_pan (bool yn)
+{
+ if (_panshell) {
+ _panshell->set_bypassed (!yn);
+ }
+}
+
+void
+InternalSend::cycle_start (pframes_t nframes)
+{
+ Delivery::cycle_start (nframes);
+
+ for (BufferSet::audio_iterator b = mixbufs.audio_begin(); b != mixbufs.audio_end(); ++b) {
+ (*b).prepare ();
+ }
+}
projects / ardour.git / blobdiff