#include <fcntl.h>
#include <cstdlib>
#include <ctime>
-#include <sys/stat.h>
-#include <sys/mman.h>
#include "pbd/error.h"
#include "pbd/xml++.h"
AudioDiskstream::non_realtime_input_change ()
{
{
- Glib::Mutex::Lock lm (state_lock);
+ Glib::Threads::Mutex::Lock lm (state_lock);
if (input_change_pending.type == IOChange::NoChange) {
return;
* that someone can read playback_distance worth of data from.
*/
int
-AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecnt_t& playback_distance)
+AudioDiskstream::process (BufferSet& bufs, framepos_t transport_frame, pframes_t nframes, framecnt_t& playback_distance, bool need_disk_signal)
{
uint32_t n;
boost::shared_ptr<ChannelList> c = channels.reader();
return 0;
}
- Glib::Mutex::Lock sm (state_lock, Glib::TRY_LOCK);
+ Glib::Threads::Mutex::Lock sm (state_lock, Glib::Threads::TRY_LOCK);
if (!sm.locked()) {
return 1;
assert(ap);
assert(rec_nframes <= (framecnt_t) ap->get_audio_buffer(nframes).capacity());
- Sample *buf = ap->get_audio_buffer (nframes).data (rec_offset);
+ Sample *buf = bufs.get_audio (n).data(rec_offset);
memcpy (chaninfo->current_capture_buffer, buf, sizeof (Sample) * rec_nframes);
-
+
} else {
framecnt_t total = chaninfo->capture_vector.len[0] + chaninfo->capture_vector.len[1];
boost::shared_ptr<AudioPort> const ap = _io->audio (n);
assert(ap);
- Sample* buf = ap->get_audio_buffer(nframes).data (rec_offset);
+ Sample *buf = bufs.get_audio (n).data(rec_offset);
framecnt_t first = chaninfo->capture_vector.len[0];
memcpy (chaninfo->capture_wrap_buffer, buf, sizeof (Sample) * first);
/* no varispeed playback if we're recording, because the output .... TBD */
if (rec_nframes == 0 && _actual_speed != 1.0f) {
- necessary_samples = (framecnt_t) floor ((nframes * fabs (_actual_speed))) + 1;
+ necessary_samples = (framecnt_t) ceil ((nframes * fabs (_actual_speed))) + 2;
} else {
necessary_samples = nframes;
}
as our current_playback_buffer.
*/
+ assert(wrap_buffer_size >= necessary_samples);
+
/* Copy buf[0] from playback_buf */
memcpy ((char *) chaninfo->playback_wrap_buffer,
chaninfo->playback_vector.buf[0],
_speed = _target_speed;
}
+ if (need_disk_signal) {
+
+ /* copy data over to buffer set */
+
+ size_t n_buffers = bufs.count().n_audio();
+ size_t n_chans = c->size();
+ gain_t scaling = 1.0f;
+
+ if (n_chans > n_buffers) {
+ scaling = ((float) n_buffers)/n_chans;
+ }
+
+ for (n = 0, chan = c->begin(); chan != c->end(); ++chan, ++n) {
+
+ AudioBuffer& buf (bufs.get_audio (n%n_buffers));
+ ChannelInfo* chaninfo (*chan);
+
+ if (n < n_chans) {
+ if (scaling != 1.0f) {
+ buf.read_from_with_gain (chaninfo->current_playback_buffer, nframes, scaling);
+ } else {
+ buf.read_from (chaninfo->current_playback_buffer, nframes);
+ }
+ } else {
+ if (scaling != 1.0f) {
+ buf.accumulate_with_gain_from (chaninfo->current_playback_buffer, nframes, scaling);
+ } else {
+ buf.accumulate_from (chaninfo->current_playback_buffer, nframes);
+ }
+ }
+ }
+
+ /* leave the MIDI count alone */
+ ChanCount cnt (DataType::AUDIO, n_chans);
+ cnt.set (DataType::MIDI, bufs.count().n_midi());
+ bufs.set_count (cnt);
+
+ /* extra buffers will already be silent, so leave them alone */
+ }
+
return 0;
}
+frameoffset_t
+AudioDiskstream::calculate_playback_distance (pframes_t nframes)
+{
+ frameoffset_t playback_distance = nframes;
+
+ if (record_enabled()) {
+ playback_distance = nframes;
+ } else if (_actual_speed != 1.0f && _actual_speed != -1.0f) {
+ interpolation.set_speed (_target_speed);
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ int channel = 0;
+ for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan, ++channel) {
+ playback_distance = interpolation.interpolate (channel, nframes, NULL, NULL);
+ }
+ } else {
+ playback_distance = nframes;
+ }
+
+ if (_actual_speed < 0.0) {
+ return -playback_distance;
+ } else {
+ return playback_distance;
+ }
+}
+
/** Update various things including playback_sample, read pointer on each channel's playback_buf
* and write pointer on each channel's capture_buf. Also wout whether the butler is needed.
* @return true if the butler is required.
ChannelList::iterator chan;
boost::shared_ptr<ChannelList> c = channels.reader();
- Glib::Mutex::Lock lm (state_lock);
+ Glib::Threads::Mutex::Lock lm (state_lock);
for (n = 0, chan = c->begin(); chan != c->end(); ++chan, ++n) {
(*chan)->playback_buf->reset ();
boost::shared_ptr<ChannelList> c = channels.reader();
for (chan = c->begin(); chan != c->end(); ++chan) {
- (*chan)->playback_buf->increment_read_ptr (distance);
+ (*chan)->playback_buf->increment_read_ptr (llabs(distance));
}
if (first_recordable_frame < max_framepos) {
}
/* XXX is there anything we can do if err != 0 ? */
- Glib::Mutex::Lock lm (capture_info_lock);
+ Glib::Threads::Mutex::Lock lm (capture_info_lock);
if (capture_info.empty()) {
return;
} else {
disengage_record_enable ();
}
+
+ RecordEnableChanged (); /* EMIT SIGNAL */
}
}
-void
-AudioDiskstream::engage_record_enable ()
+bool
+AudioDiskstream::prep_record_enable ()
{
+ if (!recordable() || !_session.record_enabling_legal() || _io->n_ports().n_audio() == 0) {
+ return false;
+ }
+
+ /* can't rec-enable in destructive mode if transport is before start */
+
+ if (destructive() && _session.transport_frame() < _session.current_start_frame()) {
+ return false;
+ }
+
bool rolling = _session.transport_speed() != 0.0f;
boost::shared_ptr<ChannelList> c = channels.reader();
- g_atomic_int_set (&_record_enabled, 1);
capturing_sources.clear ();
if (Config->get_monitoring_model() == HardwareMonitoring) {
for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) {
- (*chan)->source.request_jack_monitors_input (!(_session.config.get_auto_input() && rolling));
+ (*chan)->source.request_input_monitoring (!(_session.config.get_auto_input() && rolling));
capturing_sources.push_back ((*chan)->write_source);
(*chan)->write_source->mark_streaming_write_started ();
}
}
}
- RecordEnableChanged (); /* EMIT SIGNAL */
+ return true;
}
-void
-AudioDiskstream::disengage_record_enable ()
+bool
+AudioDiskstream::prep_record_disable ()
{
- g_atomic_int_set (&_record_enabled, 0);
boost::shared_ptr<ChannelList> c = channels.reader();
if (Config->get_monitoring_model() == HardwareMonitoring) {
for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) {
- (*chan)->source.request_jack_monitors_input (false);
+ (*chan)->source.request_input_monitoring (false);
}
}
capturing_sources.clear ();
- RecordEnableChanged (); /* EMIT SIGNAL */
+
+ return true;
}
XMLNode&
LocaleGuard lg (X_("POSIX"));
boost::shared_ptr<ChannelList> c = channels.reader();
- snprintf (buf, sizeof(buf), "%zd", c->size());
+ snprintf (buf, sizeof(buf), "%u", (unsigned int) c->size());
node.add_property ("channels", buf);
if (!capturing_sources.empty() && _session.get_record_enabled()) {
return 0;
}
-list<boost::shared_ptr<Source> >
-AudioDiskstream::steal_write_sources()
-{
- /* not possible to steal audio write sources */
- list<boost::shared_ptr<Source> > ret;
- return ret;
-}
-
void
AudioDiskstream::reset_write_sources (bool mark_write_complete, bool /*force*/)
{
*/
double const sp = max (fabsf (_actual_speed), 1.2f);
- framecnt_t required_wrap_size = (framecnt_t) floor (_session.get_block_size() * sp) + 1;
+ framecnt_t required_wrap_size = (framecnt_t) ceil (_session.get_block_size() * sp) + 2;
if (required_wrap_size > wrap_buffer_size) {
}
void
-AudioDiskstream::request_jack_monitors_input (bool yn)
+AudioDiskstream::request_input_monitoring (bool yn)
{
boost::shared_ptr<ChannelList> c = channels.reader();
for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) {
- (*chan)->source.request_jack_monitors_input (yn);
+ (*chan)->source.request_input_monitoring (yn);
}
}
continue;
}
+ /* XXX as of June 2014, we always record to mono
+ files. Since this Source is being created as part of
+ crash recovery, we know that we need the first
+ channel (the final argument to the SourceFactory
+ call below). If we ever support non-mono files for
+ capture, this will need rethinking.
+ */
+
try {
- fs = boost::dynamic_pointer_cast<AudioFileSource> (
- SourceFactory::createWritable (
- DataType::AUDIO, _session,
- prop->value(), string(), false, _session.frame_rate()));
+ fs = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createForRecovery (DataType::AUDIO, _session, prop->value(), 0));
}
catch (failed_constructor& err) {
return -1;
}
- boost::shared_ptr<AudioRegion> region;
-
try {
- PropertyList plist;
+ boost::shared_ptr<AudioRegion> wf_region;
+ boost::shared_ptr<AudioRegion> region;
+
+ /* First create the whole file region */
+ PropertyList plist;
+
plist.add (Properties::start, 0);
plist.add (Properties::length, first_fs->length (first_fs->timeline_position()));
plist.add (Properties::name, region_name_from_path (first_fs->name(), true));
- region = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (pending_sources, plist));
+ wf_region = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (pending_sources, plist));
- region->set_automatic (true);
- region->set_whole_file (true);
- region->special_set_position (0);
+ wf_region->set_automatic (true);
+ wf_region->set_whole_file (true);
+ wf_region->special_set_position (position);
+
+ /* Now create a region that isn't the whole file for adding to
+ * the playlist */
+
+ region = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (pending_sources, plist));
+
+ _playlist->add_region (region, position);
}
catch (failed_constructor& err) {
return -1;
}
- _playlist->add_region (region, position);
return 0;
}
}
void
-AudioDiskstream::ChannelSource::request_jack_monitors_input (bool yn) const
+AudioDiskstream::ChannelSource::request_input_monitoring (bool yn) const
{
if (name.empty()) {
return;
}
- return AudioEngine::instance()->request_jack_monitors_input (name, yn);
+ return AudioEngine::instance()->request_input_monitoring (name, yn);
}
AudioDiskstream::ChannelInfo::ChannelInfo (framecnt_t playback_bufsize, framecnt_t capture_bufsize, framecnt_t speed_size, framecnt_t wrap_size)