#include <sys/mman.h>
#include "pbd/error.h"
-#include <glibmm/thread.h>
#include "pbd/xml++.h"
#include "pbd/memento_command.h"
#include "pbd/enumwriter.h"
-#include "pbd/stacktrace.h"
+#include "pbd/stateful_diff_command.h"
#include "ardour/analyser.h"
-#include "ardour/ardour.h"
#include "ardour/audio_buffer.h"
#include "ardour/audio_diskstream.h"
#include "ardour/audio_port.h"
#include "ardour/audioengine.h"
#include "ardour/audiofilesource.h"
-
#include "ardour/audioplaylist.h"
#include "ardour/audioregion.h"
#include "ardour/butler.h"
-#include "ardour/configuration.h"
-#include "ardour/cycle_timer.h"
#include "ardour/debug.h"
#include "ardour/io.h"
#include "ardour/playlist_factory.h"
#include "ardour/region_factory.h"
-#include "ardour/send.h"
#include "ardour/session.h"
+#include "ardour/session_playlists.h"
#include "ardour/source_factory.h"
+#include "ardour/track.h"
+#include "ardour/types.h"
#include "ardour/utils.h"
-#include "ardour/session_playlists.h"
#include "i18n.h"
#include <locale.h>
AudioDiskstream::AudioDiskstream (Session &sess, const string &name, Diskstream::Flag flag)
: Diskstream(sess, name, flag)
- , deprecated_io_node(NULL)
, channels (new ChannelList)
{
/* prevent any write sources from being created */
in_set_state = true;
-
- init(flag);
use_new_playlist ();
-
in_set_state = false;
}
AudioDiskstream::AudioDiskstream (Session& sess, const XMLNode& node)
: Diskstream(sess, node)
- , deprecated_io_node(NULL)
, channels (new ChannelList)
{
in_set_state = true;
- init (Recordable);
+ init ();
if (set_state (node, Stateful::loading_state_version)) {
in_set_state = false;
}
void
-AudioDiskstream::init (Diskstream::Flag f)
+AudioDiskstream::init ()
{
- Diskstream::init(f);
-
/* there are no channels at this point, so these
two calls just get speed_buffer_size and wrap_buffer
size setup without duplicating their code.
set_block_size (_session.get_block_size());
allocate_temporary_buffers ();
-
- add_channel (1);
- assert(_n_channels == ChanCount(DataType::AUDIO, 1));
}
AudioDiskstream::~AudioDiskstream ()
AudioDiskstream::non_realtime_input_change ()
{
{
- Glib::Mutex::Lock lm (state_lock);
+ Glib::Threads::Mutex::Lock lm (state_lock);
- if (input_change_pending == NoChange) {
+ if (input_change_pending.type == IOChange::NoChange) {
return;
}
- {
+ if (input_change_pending.type == IOChange::ConfigurationChanged) {
RCUWriter<ChannelList> writer (channels);
boost::shared_ptr<ChannelList> c = writer.get_copy();
}
}
- get_input_sources ();
- set_capture_offset ();
-
- if (first_input_change) {
- set_align_style (_persistent_alignment_style);
- first_input_change = false;
- } else {
+ if (input_change_pending.type & IOChange::ConnectionsChanged) {
+ get_input_sources ();
+ set_capture_offset ();
set_align_style_from_io ();
}
- input_change_pending = NoChange;
+ input_change_pending = IOChange::NoChange;
/* implicit unlock */
}
/* now refill channel buffers */
if (speed() != 1.0f || speed() != -1.0f) {
- seek ((nframes_t) (_session.transport_frame() * (double) speed()));
+ seek ((framepos_t) (_session.transport_frame() * (double) speed()));
} else {
seek (_session.transport_frame());
}
}
void
-AudioDiskstream::non_realtime_locate (nframes_t location)
+AudioDiskstream::non_realtime_locate (framepos_t location)
{
/* now refill channel buffers */
if (speed() != 1.0f || speed() != -1.0f) {
- seek ((nframes_t) (location * (double) speed()));
+ seek ((framepos_t) (location * (double) speed()));
} else {
seek (location);
}
connections.clear ();
if (_io->nth (n)->get_connections (connections) == 0) {
-
- if ((*chan)->source) {
+ if (!(*chan)->source.name.empty()) {
// _source->disable_metering ();
}
-
- (*chan)->source = 0;
-
+ (*chan)->source.name = string();
} else {
- (*chan)->source = dynamic_cast<AudioPort*>(_session.engine().get_port_by_name (connections[0]) );
+ (*chan)->source.name = connections[0];
}
}
}
if ((playlist = boost::dynamic_pointer_cast<AudioPlaylist> (PlaylistFactory::create (DataType::AUDIO, _session, newname, hidden()))) != 0) {
- playlist->set_orig_diskstream_id (id());
return use_playlist (playlist);
} else {
newname = Playlist::bump_name (_playlist->name(), _session);
- if ((playlist = boost::dynamic_pointer_cast<AudioPlaylist>(PlaylistFactory::create (audio_playlist(), newname))) != 0) {
- playlist->set_orig_diskstream_id (id());
+ if ((playlist = boost::dynamic_pointer_cast<AudioPlaylist>(PlaylistFactory::create (audio_playlist(), newname))) != 0) {
return use_playlist (playlist);
} else {
return -1;
/* a single full-sized region */
+ assert (!srcs.empty ());
+
PropertyList plist;
plist.add (Properties::name, _name.val());
plist.add (Properties::start, 0);
- plist.add (Properties::length, max_frames - max_frames - srcs.front()->natural_position());
+ plist.add (Properties::length, max_framepos - (max_framepos - srcs.front()->natural_position()));
boost::shared_ptr<Region> region (RegionFactory::create (srcs, plist));
_playlist->add_region (region, srcs.front()->natural_position());
/* be sure to stretch the region out to the maximum length */
- region->set_length (max_frames - region->position(), this);
+ region->set_length (max_framepos - region->position());
uint32_t n;
ChannelList::iterator chan;
}
void
-AudioDiskstream::prepare_record_status(nframes_t capture_start_frame)
+AudioDiskstream::prepare_record_status(framepos_t capture_start_frame)
{
if (recordable() && destructive()) {
boost::shared_ptr<ChannelList> c = channels.reader();
for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) {
- RingBufferNPT<CaptureTransition>::rw_vector transvec;
- (*chan)->capture_transition_buf->get_write_vector(&transvec);
+ RingBufferNPT<CaptureTransition>::rw_vector transitions;
+ (*chan)->capture_transition_buf->get_write_vector (&transitions);
- if (transvec.len[0] > 0) {
- transvec.buf[0]->type = CaptureStart;
- transvec.buf[0]->capture_val = capture_start_frame;
+ if (transitions.len[0] > 0) {
+ transitions.buf[0]->type = CaptureStart;
+ transitions.buf[0]->capture_val = capture_start_frame;
(*chan)->capture_transition_buf->increment_write_ptr(1);
- }
- else {
+ } else {
// bad!
fatal << X_("programming error: capture_transition_buf is full on rec start! inconceivable!")
<< endmsg;
}
}
+
+/** Do some record stuff [not described in this comment!]
+ *
+ * Also:
+ * - Setup playback_distance with the nframes, or nframes adjusted
+ * for current varispeed, if appropriate.
+ * - Setup current_playback_buffer in each ChannelInfo to point to data
+ * that someone can read playback_distance worth of data from.
+ */
int
-AudioDiskstream::process (nframes_t transport_frame, nframes_t nframes, bool can_record, bool rec_monitors_input)
+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();
ChannelList::iterator chan;
- int ret = -1;
- nframes_t rec_offset = 0;
- nframes_t rec_nframes = 0;
- bool nominally_recording;
- bool re = record_enabled ();
+ framecnt_t rec_offset = 0;
+ framecnt_t rec_nframes = 0;
bool collect_playback = false;
+ bool can_record = _session.actively_recording ();
- /* if we've already processed the frames corresponding to this call,
- just return. this allows multiple routes that are taking input
- from this diskstream to call our ::process() method, but have
- this stuff only happen once. more commonly, it allows both
- the AudioTrack that is using this AudioDiskstream *and* the Session
- to call process() without problems.
- */
-
- if (_processed) {
- return 0;
- }
-
- commit_should_unlock = false;
+ playback_distance = 0;
if (!_io || !_io->active()) {
- _processed = true;
return 0;
}
- check_record_status (transport_frame, nframes, can_record);
-
- nominally_recording = (can_record && re);
+ check_record_status (transport_frame, can_record);
if (nframes == 0) {
- _processed = true;
return 0;
}
- /* This lock is held until the end of AudioDiskstream::commit, so these two functions
- must always be called as a pair. The only exception is if this function
- returns a non-zero value, in which case, ::commit should not be called.
- */
+ Glib::Threads::Mutex::Lock sm (state_lock, Glib::Threads::TRY_LOCK);
- // If we can't take the state lock return.
- if (!state_lock.trylock()) {
+ if (!sm.locked()) {
return 1;
}
- commit_should_unlock = true;
+
adjust_capture_position = 0;
for (chan = c->begin(); chan != c->end(); ++chan) {
(*chan)->current_playback_buffer = 0;
}
- if (nominally_recording || (_session.get_record_enabled() && _session.config.get_punch_in())) {
- // Safeguard against situations where process() goes haywire when autopunching and last_recordable_frame < first_recordable_frame
- if (last_recordable_frame < first_recordable_frame) {
- last_recordable_frame = max_frames;
- }
+ // Safeguard against situations where process() goes haywire when autopunching
+ // and last_recordable_frame < first_recordable_frame
- OverlapType ot = coverage (first_recordable_frame, last_recordable_frame, transport_frame, transport_frame + nframes);
+ if (last_recordable_frame < first_recordable_frame) {
+ last_recordable_frame = max_framepos;
+ }
- calculate_record_range(ot, transport_frame, nframes, rec_nframes, rec_offset);
+ if (record_enabled()) {
+
+ Evoral::OverlapType ot = Evoral::coverage (first_recordable_frame, last_recordable_frame, transport_frame, transport_frame + nframes);
+ calculate_record_range (ot, transport_frame, nframes, rec_nframes, rec_offset);
if (rec_nframes && !was_recording) {
capture_captured = 0;
}
}
-
- if (can_record && !_last_capture_regions.empty()) {
- _last_capture_regions.clear ();
+ if (can_record && !_last_capture_sources.empty()) {
+ _last_capture_sources.clear ();
}
- if (nominally_recording || rec_nframes) {
+ if (rec_nframes) {
uint32_t limit = _io->n_ports ().n_audio();
chaninfo->capture_buf->get_write_vector (&chaninfo->capture_vector);
- if (rec_nframes <= chaninfo->capture_vector.len[0]) {
+ if (rec_nframes <= (framecnt_t) chaninfo->capture_vector.len[0]) {
chaninfo->current_capture_buffer = chaninfo->capture_vector.buf[0];
for recording, and use rec_offset
*/
- AudioPort* const ap = _io->audio (n);
+ boost::shared_ptr<AudioPort> const ap = _io->audio (n);
assert(ap);
- assert(rec_nframes <= ap->get_audio_buffer(nframes).capacity());
- memcpy (chaninfo->current_capture_buffer, ap->get_audio_buffer (rec_nframes).data(rec_offset), sizeof (Sample) * rec_nframes);
-
+ assert(rec_nframes <= (framecnt_t) ap->get_audio_buffer(nframes).capacity());
+ Sample *buf = bufs.get_audio (n).data(rec_offset);
+ memcpy (chaninfo->current_capture_buffer, buf, sizeof (Sample) * rec_nframes);
+
} else {
- nframes_t total = chaninfo->capture_vector.len[0] + chaninfo->capture_vector.len[1];
+ framecnt_t total = chaninfo->capture_vector.len[0] + chaninfo->capture_vector.len[1];
if (rec_nframes > total) {
DiskOverrun ();
- goto out;
+ return -1;
}
- AudioPort* const ap = _io->audio (n);
+ boost::shared_ptr<AudioPort> const ap = _io->audio (n);
assert(ap);
- Sample* buf = ap->get_audio_buffer(nframes).data();
- nframes_t first = chaninfo->capture_vector.len[0];
+ 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);
memcpy (chaninfo->capture_vector.buf[0], buf, sizeof (Sample) * first);
} else {
if (was_recording) {
- finish_capture (rec_monitors_input, c);
+ finish_capture (c);
}
}
adjust_capture_position = rec_nframes;
- } else if (nominally_recording) {
+ } else if (can_record && record_enabled()) {
/* can't do actual capture yet - waiting for latency effects to finish before we start*/
collect_playback = true;
}
- if (collect_playback) {
-
+ if ((_track->monitoring_state () & MonitoringDisk) || collect_playback) {
+
/* we're doing playback */
- nframes_t necessary_samples;
+ framecnt_t necessary_samples;
/* no varispeed playback if we're recording, because the output .... TBD */
if (rec_nframes == 0 && _actual_speed != 1.0f) {
- necessary_samples = (nframes_t) floor ((nframes * fabs (_actual_speed))) + 1;
+ necessary_samples = (framecnt_t) ceil ((nframes * fabs (_actual_speed))) + 2;
} else {
necessary_samples = nframes;
}
n = 0;
+ /* Setup current_playback_buffer in each ChannelInfo to point to data that someone
+ can read necessary_samples (== nframes at a transport speed of 1) worth of data
+ from right now.
+ */
+
for (chan = c->begin(); chan != c->end(); ++chan, ++n) {
ChannelInfo* chaninfo (*chan);
- if (necessary_samples <= chaninfo->playback_vector.len[0]) {
-
+ if (necessary_samples <= (framecnt_t) chaninfo->playback_vector.len[0]) {
+ /* There are enough samples in the first part of the ringbuffer */
chaninfo->current_playback_buffer = chaninfo->playback_vector.buf[0];
} else {
- nframes_t total = chaninfo->playback_vector.len[0] + chaninfo->playback_vector.len[1];
+ framecnt_t total = chaninfo->playback_vector.len[0] + chaninfo->playback_vector.len[1];
if (necessary_samples > total) {
cerr << _name << " Need " << necessary_samples << " total = " << total << endl;
cerr << "underrun for " << _name << endl;
DiskUnderrun ();
- goto out;
+ return -1;
} else {
+ /* We have enough samples, but not in one lump. Coalesce the two parts
+ into one in playback_wrap_buffer in our ChannelInfo, and specify that
+ 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],
chaninfo->playback_vector.len[0] * sizeof (Sample));
+
+ /* Copy buf[1] from playback_buf */
memcpy (chaninfo->playback_wrap_buffer + chaninfo->playback_vector.len[0],
chaninfo->playback_vector.buf[1],
(necessary_samples - chaninfo->playback_vector.len[0])
}
if (rec_nframes == 0 && _actual_speed != 1.0f && _actual_speed != -1.0f) {
- process_varispeed_playback(nframes, c);
+
+ interpolation.set_speed (_target_speed);
+
+ int channel = 0;
+ for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan, ++channel) {
+ ChannelInfo* chaninfo (*chan);
+
+ playback_distance = interpolation.interpolate (
+ channel, nframes, chaninfo->current_playback_buffer, chaninfo->speed_buffer);
+
+ chaninfo->current_playback_buffer = chaninfo->speed_buffer;
+ }
+
} else {
playback_distance = nframes;
}
_speed = _target_speed;
-
}
- ret = 0;
-
- out:
- _processed = true;
+ if (need_disk_signal) {
- if (ret) {
+ /* 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;
+ }
- /* we're exiting with failure, so ::commit will not
- be called. unlock the state lock.
- */
+ 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);
+ }
+ }
+ }
- commit_should_unlock = false;
- state_lock.unlock();
+ /* 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 ret;
+ return 0;
}
-void
-AudioDiskstream::process_varispeed_playback(nframes_t nframes, boost::shared_ptr<ChannelList> c)
+frameoffset_t
+AudioDiskstream::calculate_playback_distance (pframes_t nframes)
{
- ChannelList::iterator chan;
-
- interpolation.set_speed (_target_speed);
-
- int channel = 0;
- for (chan = c->begin(); chan != c->end(); ++chan, ++channel) {
- ChannelInfo* chaninfo (*chan);
+ frameoffset_t playback_distance = nframes;
- playback_distance = interpolation.interpolate (
- channel, nframes, chaninfo->current_playback_buffer, chaninfo->speed_buffer);
+ 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;
+ }
- chaninfo->current_playback_buffer = chaninfo->speed_buffer;
+ 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.
+ */
bool
-AudioDiskstream::commit (nframes_t /*nframes*/)
+AudioDiskstream::commit (framecnt_t playback_distance)
{
bool need_butler = false;
adjust_capture_position = 0;
}
+ if (c->empty()) {
+ return false;
+ }
+
if (_slaved) {
if (_io && _io->active()) {
need_butler = c->front()->playback_buf->write_space() >= c->front()->playback_buf->bufsize() / 2;
}
} else {
if (_io && _io->active()) {
- need_butler = c->front()->playback_buf->write_space() >= disk_io_chunk_frames
- || c->front()->capture_buf->read_space() >= disk_io_chunk_frames;
+ need_butler = ((framecnt_t) c->front()->playback_buf->write_space() >= disk_io_chunk_frames)
+ || ((framecnt_t) c->front()->capture_buf->read_space() >= disk_io_chunk_frames);
} else {
- need_butler = c->front()->capture_buf->read_space() >= disk_io_chunk_frames;
+ need_butler = ((framecnt_t) c->front()->capture_buf->read_space() >= disk_io_chunk_frames);
}
}
- if (commit_should_unlock) {
- state_lock.unlock();
- }
-
- _processed = false;
-
return need_butler;
}
{
/* called from audio thread, so we can use the read ptr and playback sample as we wish */
- pending_overwrite = yn;
+ _pending_overwrite = yn;
overwrite_frame = playback_sample;
- overwrite_offset = channels.reader()->front()->playback_buf->get_read_ptr();
+
+ boost::shared_ptr<ChannelList> c = channels.reader ();
+ if (!c->empty ()) {
+ overwrite_offset = c->front()->playback_buf->get_read_ptr();
+ }
}
int
AudioDiskstream::overwrite_existing_buffers ()
{
boost::shared_ptr<ChannelList> c = channels.reader();
+ if (c->empty ()) {
+ _pending_overwrite = false;
+ return 0;
+ }
+
Sample* mixdown_buffer;
float* gain_buffer;
int ret = -1;
overwrite_queued = false;
/* assume all are the same size */
- nframes_t size = c->front()->playback_buf->bufsize();
+ framecnt_t size = c->front()->playback_buf->bufsize();
mixdown_buffer = new Sample[size];
gain_buffer = new float[size];
- /* reduce size so that we can fill the buffer correctly. */
+ /* reduce size so that we can fill the buffer correctly (ringbuffers
+ can only handle size-1, otherwise they appear to be empty)
+ */
size--;
uint32_t n=0;
- nframes_t start;
+ framepos_t start;
for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan, ++n) {
start = overwrite_frame;
- nframes_t cnt = size;
+ framecnt_t cnt = size;
/* to fill the buffer without resetting the playback sample, we need to
do it one or two chunks (normally two).
*/
- nframes_t to_read = size - overwrite_offset;
+ framecnt_t to_read = size - overwrite_offset;
- if (read ((*chan)->playback_buf->buffer() + overwrite_offset, mixdown_buffer, gain_buffer, start, to_read, *chan, n, reversed)) {
+ if (read ((*chan)->playback_buf->buffer() + overwrite_offset, mixdown_buffer, gain_buffer, start, to_read, n, reversed)) {
error << string_compose(_("AudioDiskstream %1: when refilling, cannot read %2 from playlist at frame %3"),
- _id, size, playback_sample) << endmsg;
+ id(), size, playback_sample) << endmsg;
goto out;
}
cnt -= to_read;
- if (read ((*chan)->playback_buf->buffer(), mixdown_buffer, gain_buffer,
- start, cnt, *chan, n, reversed)) {
+ if (read ((*chan)->playback_buf->buffer(), mixdown_buffer, gain_buffer, start, cnt, n, reversed)) {
error << string_compose(_("AudioDiskstream %1: when refilling, cannot read %2 from playlist at frame %3"),
- _id, size, playback_sample) << endmsg;
+ id(), size, playback_sample) << endmsg;
goto out;
}
}
ret = 0;
out:
- pending_overwrite = false;
+ _pending_overwrite = false;
delete [] gain_buffer;
delete [] mixdown_buffer;
return ret;
}
int
-AudioDiskstream::seek (nframes_t frame, bool complete_refill)
+AudioDiskstream::seek (framepos_t frame, bool complete_refill)
{
uint32_t n;
int ret = -1;
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 ();
}
int
-AudioDiskstream::can_internal_playback_seek (nframes_t distance)
+AudioDiskstream::can_internal_playback_seek (framecnt_t distance)
{
ChannelList::iterator chan;
boost::shared_ptr<ChannelList> c = channels.reader();
for (chan = c->begin(); chan != c->end(); ++chan) {
- if ((*chan)->playback_buf->read_space() < distance) {
+ if ((*chan)->playback_buf->read_space() < (size_t) distance) {
return false;
}
}
}
int
-AudioDiskstream::internal_playback_seek (nframes_t distance)
+AudioDiskstream::internal_playback_seek (framecnt_t distance)
{
ChannelList::iterator chan;
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));
}
- first_recordable_frame += distance;
+ if (first_recordable_frame < max_framepos) {
+ first_recordable_frame += distance;
+ }
playback_sample += distance;
return 0;
}
+/** Read some data for 1 channel from our playlist into a buffer.
+ * @param buf Buffer to write to.
+ * @param start Session frame to start reading from; updated to where we end up
+ * after the read.
+ * @param cnt Count of samples to read.
+ * @param reversed true if we are running backwards, otherwise false.
+ */
int
-AudioDiskstream::read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, nframes_t& start, nframes_t cnt,
- ChannelInfo* /*channel_info*/, int channel, bool reversed)
+AudioDiskstream::read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer,
+ framepos_t& start, framecnt_t cnt,
+ int channel, bool reversed)
{
- nframes_t this_read = 0;
+ framecnt_t this_read = 0;
bool reloop = false;
- nframes_t loop_end = 0;
- nframes_t loop_start = 0;
- nframes_t loop_length = 0;
- nframes_t offset = 0;
+ framepos_t loop_end = 0;
+ framepos_t loop_start = 0;
+ framecnt_t offset = 0;
Location *loc = 0;
/* XXX we don't currently play loops in reverse. not sure why */
if (!reversed) {
+ framecnt_t loop_length = 0;
+
/* Make the use of a Location atomic for this read operation.
Note: Locations don't get deleted, so all we care about
*/
if (loc && start >= loop_end) {
- //cerr << "start adjusted from " << start;
start = loop_start + ((start - loop_start) % loop_length);
- //cerr << "to " << start << endl;
}
+ }
- //cerr << "start is " << start << " loopstart: " << loop_start << " loopend: " << loop_end << endl;
+ if (reversed) {
+ start -= cnt;
}
- while (cnt) {
+ /* We need this while loop in case we hit a loop boundary, in which case our read from
+ the playlist must be split into more than one section.
+ */
- if (reversed) {
- start -= cnt;
- }
+ while (cnt) {
/* take any loop into account. we can't read past the end of the loop. */
if (loc && (loop_end - start < cnt)) {
this_read = loop_end - start;
- //cerr << "reloop true: thisread: " << this_read << " cnt: " << cnt << endl;
reloop = true;
} else {
reloop = false;
this_read = min(cnt,this_read);
if (audio_playlist()->read (buf+offset, mixdown_buffer, gain_buffer, start, this_read, channel) != this_read) {
- error << string_compose(_("AudioDiskstream %1: cannot read %2 from playlist at frame %3"), _id, this_read,
+ error << string_compose(_("AudioDiskstream %1: cannot read %2 from playlist at frame %3"), id(), this_read,
start) << endmsg;
return -1;
}
- _read_data_count = _playlist->read_data_count();
-
if (reversed) {
swap_by_ptr (buf, buf + this_read - 1);
return ret;
}
+/** Get some more data from disk and put it in our channels' playback_bufs,
+ * if there is suitable space in them.
+ */
int
AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer)
{
int32_t ret = 0;
- nframes_t to_read;
+ framecnt_t to_read;
RingBufferNPT<Sample>::rw_vector vector;
- bool reversed = (_visible_speed * _session.transport_speed()) < 0.0f;
- nframes_t total_space;
- nframes_t zero_fill;
+ bool const reversed = (_visible_speed * _session.transport_speed()) < 0.0f;
+ framecnt_t total_space;
+ framecnt_t zero_fill;
uint32_t chan_n;
ChannelList::iterator i;
boost::shared_ptr<ChannelList> c = channels.reader();
- nframes_t ts;
+ framecnt_t ts;
if (c->empty()) {
return 0;
c->front()->playback_buf->get_write_vector (&vector);
if ((total_space = vector.len[0] + vector.len[1]) == 0) {
+ /* nowhere to write to */
return 0;
}
for us to be called again, ASAP.
*/
- if (total_space >= (_slaved?3:2) * disk_io_chunk_frames) {
+ if (total_space >= (_slaved ? 3 : 2) * disk_io_chunk_frames) {
ret = 1;
}
at higher speeds, just do it because the sync between butler
and audio thread may not be good enough.
+
+ Note: it is a design assumption that disk_io_chunk_frames is smaller
+ than the playback buffer size, so this check should never trip when
+ the playback buffer is empty.
*/
if ((total_space < disk_io_chunk_frames) && fabs (_actual_speed) < 2.0f) {
work with.
*/
- if (_slaved && total_space < (c->front()->playback_buf->bufsize() / 2)) {
+ if (_slaved && total_space < (framecnt_t) (c->front()->playback_buf->bufsize() / 2)) {
return 0;
}
zero_fill = total_space - file_frame;
total_space = file_frame;
- file_frame = 0;
} else {
} else {
- if (file_frame == max_frames) {
+ if (file_frame == max_framepos) {
/* at end: nothing to do but fill with silence */
return 0;
}
- if (file_frame > max_frames - total_space) {
+ if (file_frame > max_framepos - total_space) {
/* to close to the end: read what we can, and zero fill the rest */
- zero_fill = total_space - (max_frames - file_frame);
- total_space = max_frames - file_frame;
+ zero_fill = total_space - (max_framepos - file_frame);
+ total_space = max_framepos - file_frame;
} else {
zero_fill = 0;
}
}
- nframes_t file_frame_tmp = 0;
+ framepos_t file_frame_tmp = 0;
for (chan_n = 0, i = c->begin(); i != c->end(); ++i, ++chan_n) {
ChannelInfo* chan (*i);
Sample* buf1;
Sample* buf2;
- nframes_t len1, len2;
+ framecnt_t len1, len2;
chan->playback_buf->get_write_vector (&vector);
- if (vector.len[0] > disk_io_chunk_frames) {
+ if ((framecnt_t) vector.len[0] > disk_io_chunk_frames) {
/* we're not going to fill the first chunk, so certainly do not bother with the
other part. it won't be connected with the part we do fill, as in:
to_read = min (ts, len1);
to_read = min (to_read, disk_io_chunk_frames);
+ assert (to_read >= 0);
+
if (to_read) {
- if (read (buf1, mixdown_buffer, gain_buffer, file_frame_tmp, to_read, chan, chan_n, reversed)) {
+ if (read (buf1, mixdown_buffer, gain_buffer, file_frame_tmp, to_read, chan_n, reversed)) {
ret = -1;
goto out;
}
so read some or all of vector.len[1] as well.
*/
- if (read (buf2, mixdown_buffer, gain_buffer, file_frame_tmp, to_read, chan, chan_n, reversed)) {
+ if (read (buf2, mixdown_buffer, gain_buffer, file_frame_tmp, to_read, chan_n, reversed)) {
ret = -1;
goto out;
}
}
if (zero_fill) {
- /* do something */
+ /* XXX: do something */
}
}
file_frame = file_frame_tmp;
+ assert (file_frame >= 0);
out:
int32_t ret = 0;
RingBufferNPT<Sample>::rw_vector vector;
RingBufferNPT<CaptureTransition>::rw_vector transvec;
- nframes_t total;
-
- _write_data_count = 0;
+ framecnt_t total;
transvec.buf[0] = 0;
transvec.buf[1] = 0;
ret = 1;
}
- to_write = min (disk_io_chunk_frames, (nframes_t) vector.len[0]);
+ to_write = min (disk_io_chunk_frames, (framecnt_t) vector.len[0]);
// check the transition buffer when recording destructive
// important that we get this after the capture buf
if (destructive()) {
(*chan)->capture_transition_buf->get_read_vector(&transvec);
size_t transcount = transvec.len[0] + transvec.len[1];
- bool have_start = false;
size_t ti;
for (ti=0; ti < transcount; ++ti) {
(*chan)->write_source->mark_capture_start (captrans.capture_val);
(*chan)->curr_capture_cnt = 0;
- have_start = true;
- }
- else if (captrans.type == CaptureEnd) {
+ } else if (captrans.type == CaptureEnd) {
// capture end, the capture_val represents total frames in capture
}
if ((!(*chan)->write_source) || (*chan)->write_source->write (vector.buf[0], to_write) != to_write) {
- error << string_compose(_("AudioDiskstream %1: cannot write to disk"), _id) << endmsg;
+ error << string_compose(_("AudioDiskstream %1: cannot write to disk"), id()) << endmsg;
return -1;
}
of vector.len[1] to be flushed to disk as well.
*/
- to_write = min ((nframes_t)(disk_io_chunk_frames - to_write), (nframes_t) vector.len[1]);
+ to_write = min ((framecnt_t)(disk_io_chunk_frames - to_write), (framecnt_t) vector.len[1]);
if ((*chan)->write_source->write (vector.buf[1], to_write) != to_write) {
- error << string_compose(_("AudioDiskstream %1: cannot write to disk"), _id) << endmsg;
+ error << string_compose(_("AudioDiskstream %1: cannot write to disk"), id()) << endmsg;
return -1;
}
- _write_data_count += (*chan)->write_source->write_data_count();
-
(*chan)->capture_buf->increment_read_ptr (to_write);
(*chan)->curr_capture_cnt += to_write;
}
}
void
-AudioDiskstream::transport_stopped (struct tm& when, time_t twhen, bool abort_capture)
+AudioDiskstream::transport_stopped_wallclock (struct tm& when, time_t twhen, bool abort_capture)
{
uint32_t buffer_position;
bool more_work = true;
int err = 0;
boost::shared_ptr<AudioRegion> region;
- nframes_t total_capture;
+ framecnt_t total_capture;
SourceList srcs;
SourceList::iterator src;
ChannelList::iterator chan;
uint32_t n = 0;
bool mark_write_completed = false;
- finish_capture (true, c);
+ finish_capture (c);
/* butler is already stopped, but there may be work to do
to flush remaining data to disk.
}
/* 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;
s->update_header (capture_info.front()->start, when, twhen);
s->set_captured_for (_name.val());
s->mark_immutable ();
+
if (Config->get_auto_analyse_audio()) {
Analyser::queue_source_for_analysis (s, true);
}
plist.add (Properties::start, c->front()->write_source->last_capture_start_frame());
plist.add (Properties::length, total_capture);
plist.add (Properties::name, whole_file_region_name);
-
boost::shared_ptr<Region> rx (RegionFactory::create (srcs, plist));
rx->set_automatic (true);
rx->set_whole_file (true);
/* XXX what now? */
}
- _last_capture_regions.push_back (region);
+ _last_capture_sources.insert (_last_capture_sources.end(), srcs.begin(), srcs.end());
// cerr << _name << ": there are " << capture_info.size() << " capture_info records\n";
- XMLNode &before = _playlist->get_state();
+ _playlist->clear_changes ();
+ _playlist->set_capture_insertion_in_progress (true);
_playlist->freeze ();
for (buffer_position = c->front()->write_source->last_capture_start_frame(), ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
string region_name;
- _session.region_name (region_name, whole_file_region_name, false);
+ RegionFactory::region_name (region_name, whole_file_region_name, false);
- // cerr << _name << ": based on ci of " << (*ci)->start << " for " << (*ci)->frames << " add region " << region_name << endl;
+ DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("%1 capture start @ %2 length %3 add new region %4\n",
+ _name, (*ci)->start, (*ci)->frames, region_name));
try {
PropertyList plist;
-
+
plist.add (Properties::start, buffer_position);
plist.add (Properties::length, (*ci)->frames);
plist.add (Properties::name, region_name);
-
+
boost::shared_ptr<Region> rx (RegionFactory::create (srcs, plist));
region = boost::dynamic_pointer_cast<AudioRegion> (rx);
}
continue; /* XXX is this OK? */
}
- region->DropReferences.connect_same_thread (*this, boost::bind (&Diskstream::remove_region_from_last_capture, this, boost::weak_ptr<Region>(region)));
-
- _last_capture_regions.push_back (region);
-
i_am_the_modifier++;
+
_playlist->add_region (region, (*ci)->start, 1, non_layered());
+ _playlist->set_layer (region, DBL_MAX);
i_am_the_modifier--;
buffer_position += (*ci)->frames;
}
_playlist->thaw ();
- XMLNode &after = _playlist->get_state();
- _session.add_command (new MementoCommand<Playlist>(*_playlist, &before, &after));
+ _playlist->set_capture_insertion_in_progress (false);
+ _session.add_command (new StatefulDiffCommand (_playlist));
}
mark_write_completed = true;
}
void
-AudioDiskstream::transport_looped (nframes_t transport_frame)
+AudioDiskstream::transport_looped (framepos_t transport_frame)
{
if (was_recording) {
// all we need to do is finish this capture, with modified capture length
}
}
- finish_capture (true, c);
+ finish_capture (c);
// the next region will start recording via the normal mechanism
// we'll set the start position to the current transport pos
// no latency adjustment or capture offset needs to be made, as that already happened the first time
capture_start_frame = transport_frame;
first_recordable_frame = transport_frame; // mild lie
- last_recordable_frame = max_frames;
+ last_recordable_frame = max_framepos;
was_recording = true;
if (recordable() && destructive()) {
}
void
-AudioDiskstream::finish_capture (bool /*rec_monitors_input*/, boost::shared_ptr<ChannelList> c)
+AudioDiskstream::finish_capture (boost::shared_ptr<ChannelList> c)
{
was_recording = false;
+ first_recordable_frame = max_framepos;
+ last_recordable_frame = max_framepos;
if (capture_captured == 0) {
return;
capture_captured = 0;
/* now we've finished a capture, reset first_recordable_frame for next time */
- first_recordable_frame = max_frames;
+ first_recordable_frame = max_framepos;
}
void
} 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) {
- if ((*chan)->source) {
- (*chan)->source->ensure_monitor_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) {
- if ((*chan)->source) {
- (*chan)->source->ensure_monitor_input (false);
- }
+ (*chan)->source.request_input_monitoring (false);
}
}
capturing_sources.clear ();
- RecordEnableChanged (); /* EMIT SIGNAL */
+
+ return true;
}
XMLNode&
AudioDiskstream::get_state ()
{
- XMLNode* node = new XMLNode ("AudioDiskstream");
+ XMLNode& node (Diskstream::get_state());
char buf[64] = "";
LocaleGuard lg (X_("POSIX"));
- boost::shared_ptr<ChannelList> c = channels.reader();
-
- node->add_property ("flags", enum_2_string (_flags));
+ boost::shared_ptr<ChannelList> c = channels.reader();
snprintf (buf, sizeof(buf), "%zd", c->size());
- node->add_property ("channels", buf);
-
- node->add_property ("playlist", _playlist->name());
-
- snprintf (buf, sizeof(buf), "%.12g", _visible_speed);
- node->add_property ("speed", buf);
-
- node->add_property("name", _name);
- id().print (buf, sizeof (buf));
- node->add_property("id", buf);
+ node.add_property ("channels", buf);
if (!capturing_sources.empty() && _session.get_record_enabled()) {
}
cs_child->add_property (X_("at"), buf);
- node->add_child_nocopy (*cs_child);
+ node.add_child_nocopy (*cs_child);
}
- if (_extra_xml) {
- node->add_child_copy (*_extra_xml);
- }
-
- return* node;
+ return node;
}
int
-AudioDiskstream::set_state (const XMLNode& node, int /*version*/)
+AudioDiskstream::set_state (const XMLNode& node, int version)
{
const XMLProperty* prop;
XMLNodeList nlist = node.children();
XMLNode* capture_pending_node = 0;
LocaleGuard lg (X_("POSIX"));
+ /* prevent write sources from being created */
+
in_set_state = true;
for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
}
}
- /* prevent write sources from being created */
-
- in_set_state = true;
-
- if ((prop = node.property ("name")) != 0) {
- _name = prop->value();
- }
-
- if (deprecated_io_node) {
- if ((prop = deprecated_io_node->property ("id")) != 0) {
- _id = prop->value ();
- }
- } else {
- if ((prop = node.property ("id")) != 0) {
- _id = prop->value ();
- }
- }
-
- if ((prop = node.property ("flags")) != 0) {
- _flags = Flag (string_2_enum (prop->value(), _flags));
+ if (Diskstream::set_state (node, version)) {
+ return -1;
}
if ((prop = node.property ("channels")) != 0) {
remove_channel (_n_channels.n_audio() - nchans);
}
- if ((prop = node.property ("playlist")) == 0) {
- return -1;
- }
-
- {
- bool had_playlist = (_playlist != 0);
-
- if (find_and_use_playlist (prop->value())) {
- return -1;
- }
-
- if (!had_playlist) {
- _playlist->set_orig_diskstream_id (_id);
- }
- if (!destructive() && capture_pending_node) {
- /* destructive streams have one and only one source per channel,
- and so they never end up in pending capture in any useful
- sense.
- */
- use_pending_capture_data (*capture_pending_node);
- }
-
- }
-
- if ((prop = node.property ("speed")) != 0) {
- double sp = atof (prop->value().c_str());
- if (realtime_set_speed (sp, false)) {
- non_realtime_set_speed ();
- }
+ if (!destructive() && capture_pending_node) {
+ /* destructive streams have one and only one source per channel,
+ and so they never end up in pending capture in any useful
+ sense.
+ */
+ use_pending_capture_data (*capture_pending_node);
}
in_set_state = false;
ChannelInfo* chan = (*c)[n];
- if (chan->write_source) {
- chan->write_source->done_with_peakfile_writes ();
- chan->write_source->set_allow_remove_if_empty (true);
- chan->write_source.reset ();
- }
-
try {
- if ((chan->write_source = _session.create_audio_source_for_session (*this, n, destructive())) == 0) {
+ if ((chan->write_source = _session.create_audio_source_for_session (
+ n_channels().n_audio(), name(), n, destructive())) == 0) {
throw failed_constructor();
}
}
/* do not remove destructive files even if they are empty */
chan->write_source->set_allow_remove_if_empty (!destructive());
-
- /* until we write, this file is considered removable */
-
- chan->write_source->mark_for_remove ();
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*/)
{
capturing_sources.clear ();
for (chan = c->begin(), n = 0; chan != c->end(); ++chan, ++n) {
+
if (!destructive()) {
- if ((*chan)->write_source && mark_write_complete) {
- (*chan)->write_source->mark_streaming_write_completed ();
+ if ((*chan)->write_source) {
+
+ if (mark_write_complete) {
+ (*chan)->write_source->mark_streaming_write_completed ();
+ (*chan)->write_source->done_with_peakfile_writes ();
+ }
+
+ if ((*chan)->write_source->removable()) {
+ (*chan)->write_source->mark_for_remove ();
+ (*chan)->write_source->drop_references ();
+ }
+
+ (*chan)->write_source.reset ();
}
+
use_new_write_source (n);
if (record_enabled()) {
}
} else {
+
if ((*chan)->write_source == 0) {
use_new_write_source (n);
}
}
}
- if (destructive()) {
+ if (destructive() && !c->empty ()) {
/* we now have all our write sources set up, so create the
playlist's single region.
}
}
-int
-AudioDiskstream::rename_write_sources ()
-{
- ChannelList::iterator chan;
- boost::shared_ptr<ChannelList> c = channels.reader();
- uint32_t n;
-
- for (chan = c->begin(), n = 0; chan != c->end(); ++chan, ++n) {
- if ((*chan)->write_source != 0) {
- (*chan)->write_source->set_source_name (_name.val(), destructive());
- /* XXX what to do if one of them fails ? */
- }
- }
-
- return 0;
-}
-
void
-AudioDiskstream::set_block_size (nframes_t /*nframes*/)
+AudioDiskstream::set_block_size (pframes_t /*nframes*/)
{
if (_session.get_block_size() > speed_buffer_size) {
speed_buffer_size = _session.get_block_size();
when slaving to MTC, Timecode etc.
*/
- double sp = max (fabsf (_actual_speed), 1.2f);
- nframes_t required_wrap_size = (nframes_t) floor (_session.get_block_size() * sp) + 1;
+ double const sp = max (fabsf (_actual_speed), 1.2f);
+ framecnt_t required_wrap_size = (framecnt_t) ceil (_session.get_block_size() * sp) + 2;
if (required_wrap_size > wrap_buffer_size) {
boost::shared_ptr<ChannelList> c = channels.reader();
for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) {
- if ((*chan)->playback_wrap_buffer)
+ if ((*chan)->playback_wrap_buffer) {
delete [] (*chan)->playback_wrap_buffer;
+ }
(*chan)->playback_wrap_buffer = new Sample[required_wrap_size];
- if ((*chan)->capture_wrap_buffer)
+ if ((*chan)->capture_wrap_buffer) {
delete [] (*chan)->capture_wrap_buffer;
+ }
(*chan)->capture_wrap_buffer = new Sample[required_wrap_size];
}
}
void
-AudioDiskstream::monitor_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) {
-
- if ((*chan)->source) {
- (*chan)->source->ensure_monitor_input (yn);
- }
+ (*chan)->source.request_input_monitoring (yn);
}
}
{
bool have_physical = false;
+ if (_alignment_choice != Automatic) {
+ return;
+ }
+
if (_io == 0) {
return;
}
boost::shared_ptr<ChannelList> c = channels.reader();
for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) {
- if ((*chan)->source && (*chan)->source->flags() & JackPortIsPhysical) {
+ if ((*chan)->source.is_physical ()) {
have_physical = true;
break;
}
AudioDiskstream::add_channel_to (boost::shared_ptr<ChannelList> c, uint32_t how_many)
{
while (how_many--) {
- c->push_back (new ChannelInfo(_session.butler()->audio_diskstream_buffer_size(), speed_buffer_size, wrap_buffer_size));
- interpolation.add_channel_to (_session.butler()->audio_diskstream_buffer_size(), speed_buffer_size);
+ c->push_back (new ChannelInfo(
+ _session.butler()->audio_diskstream_playback_buffer_size(),
+ _session.butler()->audio_diskstream_capture_buffer_size(),
+ speed_buffer_size, wrap_buffer_size));
+ interpolation.add_channel_to (
+ _session.butler()->audio_diskstream_playback_buffer_size(),
+ speed_buffer_size);
}
_n_channels.set(DataType::AUDIO, c->size());
AudioDiskstream::remove_channel_from (boost::shared_ptr<ChannelList> c, uint32_t how_many)
{
while (how_many-- && !c->empty()) {
- // FIXME: crash (thread safe with RCU?)
- // memory leak, when disabled.... :(
- //delete c->back();
+ delete c->back();
c->pop_back();
interpolation.remove_channel_from ();
}
{
boost::shared_ptr<ChannelList> c = channels.reader();
+ if (c->empty ()) {
+ return 0;
+ }
+
return (float) ((double) c->front()->playback_buf->read_space()/
(double) c->front()->playback_buf->bufsize());
}
{
boost::shared_ptr<ChannelList> c = channels.reader();
+ if (c->empty ()) {
+ return 0;
+ }
+
return (float) ((double) c->front()->capture_buf->write_space()/
(double) c->front()->capture_buf->bufsize());
}
boost::shared_ptr<AudioFileSource> fs;
boost::shared_ptr<AudioFileSource> first_fs;
SourceList pending_sources;
- nframes_t position;
+ framepos_t position;
if ((prop = node.property (X_("at"))) == 0) {
return -1;
}
- if (sscanf (prop->value().c_str(), "%" PRIu32, &position) != 1) {
+ if (sscanf (prop->value().c_str(), "%" PRIu64, &position) != 1) {
return -1;
}
try {
fs = boost::dynamic_pointer_cast<AudioFileSource> (
- SourceFactory::createWritable (DataType::AUDIO, _session,
- prop->value(), false, _session.frame_rate()));
+ SourceFactory::createWritable (
+ DataType::AUDIO, _session,
+ prop->value(), false, _session.frame_rate()));
}
catch (failed_constructor& err) {
boost::shared_ptr<AudioRegion> region;
try {
-
+
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));
int
AudioDiskstream::set_destructive (bool yn)
{
- bool bounce_ignored;
-
if (yn != destructive()) {
if (yn) {
+ bool bounce_ignored;
/* requestor should already have checked this and
bounced if necessary and desired
*/
}
boost::shared_ptr<Region> first = _playlist->find_next_region (_session.current_start_frame(), Start, 1);
- assert (first);
+ if (!first) {
+ requires_bounce = false;
+ return true;
+ }
/* do the source(s) for the region cover the session start position ? */
return true;
}
-AudioDiskstream::ChannelInfo::ChannelInfo (nframes_t bufsize, nframes_t speed_size, nframes_t wrap_size)
+void
+AudioDiskstream::adjust_playback_buffering ()
+{
+ boost::shared_ptr<ChannelList> c = channels.reader();
+
+ for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) {
+ (*chan)->resize_playback (_session.butler()->audio_diskstream_playback_buffer_size());
+ }
+}
+
+void
+AudioDiskstream::adjust_capture_buffering ()
+{
+ boost::shared_ptr<ChannelList> c = channels.reader();
+
+ for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) {
+ (*chan)->resize_capture (_session.butler()->audio_diskstream_capture_buffer_size());
+ }
+}
+
+bool
+AudioDiskstream::ChannelSource::is_physical () const
+{
+ if (name.empty()) {
+ return false;
+ }
+
+ return AudioEngine::instance()->port_is_physical (name);
+}
+
+void
+AudioDiskstream::ChannelSource::request_input_monitoring (bool yn) const
+{
+ if (name.empty()) {
+ return;
+ }
+
+ 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)
{
- peak_power = 0.0f;
- source = 0;
current_capture_buffer = 0;
current_playback_buffer = 0;
curr_capture_cnt = 0;
playback_wrap_buffer = new Sample[wrap_size];
capture_wrap_buffer = new Sample[wrap_size];
- playback_buf = new RingBufferNPT<Sample> (bufsize);
- capture_buf = new RingBufferNPT<Sample> (bufsize);
+ playback_buf = new RingBufferNPT<Sample> (playback_bufsize);
+ capture_buf = new RingBufferNPT<Sample> (capture_bufsize);
capture_transition_buf = new RingBufferNPT<CaptureTransition> (256);
/* touch the ringbuffer buffers, which will cause
memset (capture_transition_buf->buffer(), 0, sizeof (CaptureTransition) * capture_transition_buf->bufsize());
}
+void
+AudioDiskstream::ChannelInfo::resize_playback (framecnt_t playback_bufsize)
+{
+ delete playback_buf;
+ playback_buf = new RingBufferNPT<Sample> (playback_bufsize);
+ memset (playback_buf->buffer(), 0, sizeof (Sample) * playback_buf->bufsize());
+}
+
+void
+AudioDiskstream::ChannelInfo::resize_capture (framecnt_t capture_bufsize)
+{
+ delete capture_buf;
+
+ capture_buf = new RingBufferNPT<Sample> (capture_bufsize);
+ memset (capture_buf->buffer(), 0, sizeof (Sample) * capture_buf->bufsize());
+}
+
AudioDiskstream::ChannelInfo::~ChannelInfo ()
{
- if (write_source) {
- write_source.reset ();
- }
+ write_source.reset ();
delete [] speed_buffer;
speed_buffer = 0;
delete capture_transition_buf;
capture_transition_buf = 0;
}
+
+
+bool
+AudioDiskstream::set_name (string const & name)
+{
+ Diskstream::set_name (name);
+
+ /* get a new write source so that its name reflects the new diskstream name */
+
+ boost::shared_ptr<ChannelList> c = channels.reader();
+ ChannelList::iterator i;
+ int n = 0;
+
+ for (n = 0, i = c->begin(); i != c->end(); ++i, ++n) {
+ use_new_write_source (n);
+ }
+
+ return true;
+}
projects / ardour.git / blobdiff