Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <fstream>
#include <cstdio>
#include <unistd.h>
#include <cmath>
#include <cstdlib>
#include <ctime>
+#include "pbd/gstdio_compat.h"
#include "pbd/error.h"
#include "pbd/xml++.h"
#include "pbd/memento_command.h"
#include "ardour/debug.h"
#include "ardour/io.h"
#include "ardour/playlist_factory.h"
+#include "ardour/profile.h"
#include "ardour/region_factory.h"
#include "ardour/session.h"
#include "ardour/session_playlists.h"
+#include "ardour/sndfile_helpers.h"
#include "ardour/source_factory.h"
#include "ardour/track.h"
#include "ardour/types.h"
#include "ardour/utils.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
#include <locale.h>
using namespace std;
using namespace ARDOUR;
using namespace PBD;
-size_t AudioDiskstream::_working_buffers_size = 0;
Sample* AudioDiskstream::_mixdown_buffer = 0;
gain_t* AudioDiskstream::_gain_buffer = 0;
void
AudioDiskstream::allocate_working_buffers()
{
- _working_buffers_size = max (disk_write_chunk_frames, disk_read_chunk_frames);
- _mixdown_buffer = new Sample[_working_buffers_size];
- _gain_buffer = new gain_t[_working_buffers_size];
+ /* with varifill buffer refilling, we compute the read size in bytes (to optimize
+ for disk i/o bandwidth) and then convert back into samples. These buffers
+ need to reflect the maximum size we could use, which is 4MB reads, or 2M samples
+ using 16 bit samples.
+ */
+ _mixdown_buffer = new Sample[2*1048576];
+ _gain_buffer = new gain_t[2*1048576];
}
void
{
delete [] _mixdown_buffer;
delete [] _gain_buffer;
- _working_buffers_size = 0;
_mixdown_buffer = 0;
_gain_buffer = 0;
}
need_write_sources = true;
}
- if (input_change_pending.type == IOChange::ConfigurationChanged) {
+ if (input_change_pending.type & IOChange::ConfigurationChanged) {
RCUWriter<ChannelList> writer (channels);
boost::shared_ptr<ChannelList> c = writer.get_copy();
/* now refill channel buffers */
if (speed() != 1.0f || speed() != -1.0f) {
- seek ((framepos_t) (location * (double) speed()));
+ seek ((framepos_t) (location * (double) speed()), true);
} else {
- seek (location);
+ seek (location, true);
}
}
newname = Playlist::bump_name (_playlist->name(), _session);
if ((playlist = boost::dynamic_pointer_cast<AudioPlaylist>(PlaylistFactory::create (audio_playlist(), newname))) != 0) {
+ playlist->reset_shares();
return use_playlist (playlist);
} else {
return -1;
boost::shared_ptr<Region> rp;
{
- const RegionList& rl (_playlist->region_list().rlist());
+ const RegionList& rl (_playlist->region_list_property().rlist());
if (rl.size() > 0) {
+ /* this can happen when dragging a region onto a tape track */
assert((rl.size() == 1));
rp = rl.front();
}
throw failed_constructor();
}
- /* be sure to stretch the region out to the maximum length */
+ /* be sure to stretch the region out to the maximum length (non-musical)*/
- region->set_length (max_framepos - region->position());
+ region->set_length (max_framepos - region->position(), 0);
uint32_t n;
ChannelList::iterator chan;
/* this might be false if we switched modes, so force it */
+#ifdef XXX_OLD_DESTRUCTIVE_API_XXX
(*chan)->write_source->set_destructive (true);
+#else
+ // should be set when creating the source or loading the state
+ assert ((*chan)->write_source->destructive());
+#endif
}
/* the source list will never be reset for a destructive track */
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];
}
if ((_track->monitoring_state () & MonitoringDisk) || collect_playback) {
-
+
/* we're doing playback */
framecnt_t necessary_samples;
/* no varispeed playback if we're recording, because the output .... TBD */
- if (rec_nframes == 0 && _actual_speed != 1.0f) {
+ if (rec_nframes == 0 && _actual_speed != 1.0) {
necessary_samples = (framecnt_t) ceil ((nframes * fabs (_actual_speed))) + 2;
} else {
necessary_samples = nframes;
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],
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;
}
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);
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 */
}
if (adjust_capture_position != 0) {
capture_captured += adjust_capture_position;
+ DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("%1 now captured %2 (by %3)\n", name(), capture_captured, adjust_capture_position));
adjust_capture_position = 0;
}
file_frame = frame;
if (complete_refill) {
- while ((ret = do_refill_with_alloc ()) > 0) ;
+ /* call _do_refill() to refill the entire buffer, using
+ the largest reads possible.
+ */
+ while ((ret = do_refill_with_alloc (false)) > 0) ;
} else {
- ret = do_refill_with_alloc ();
+ /* call _do_refill() to refill just one chunk, and then
+ return.
+ */
+ ret = do_refill_with_alloc (true);
}
return ret;
boost::shared_ptr<ChannelList> c = channels.reader();
for (chan = c->begin(); chan != c->end(); ++chan) {
- (*chan)->playback_buf->increment_read_ptr (llabs(distance));
+ (*chan)->playback_buf->increment_read_ptr (::llabs(distance));
}
if (first_recordable_frame < max_framepos) {
}
int
-AudioDiskstream::do_refill_with_alloc ()
+AudioDiskstream::_do_refill_with_alloc (bool partial_fill)
{
- Sample* mix_buf = new Sample[disk_read_chunk_frames];
- float* gain_buf = new float[disk_read_chunk_frames];
+ /* We limit disk reads to at most 4MB chunks, which with floating point
+ samples would be 1M samples. But we might use 16 or 14 bit samples,
+ in which case 4MB is more samples than that. Therefore size this for
+ the smallest sample value .. 4MB = 2M samples (16 bit).
+ */
- int ret = _do_refill(mix_buf, gain_buf);
+ Sample* mix_buf = new Sample[2*1048576];
+ float* gain_buf = new float[2*1048576];
+
+ int ret = _do_refill (mix_buf, gain_buf, (partial_fill ? disk_read_chunk_frames : 0));
delete [] mix_buf;
delete [] gain_buf;
/** Get some more data from disk and put it in our channels' playback_bufs,
* if there is suitable space in them.
+ *
+ * If fill_level is non-zero, then we will refill the buffer so that there is
+ * still at least fill_level samples of space left to be filled. This is used
+ * after locates so that we do not need to wait to fill the entire buffer.
+ *
*/
+
int
-AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer)
+AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer, framecnt_t fill_level)
{
int32_t ret = 0;
framecnt_t to_read;
boost::shared_ptr<ChannelList> c = channels.reader();
framecnt_t ts;
+ /* do not read from disk while session is marked as Loading, to avoid
+ useless redundant I/O.
+ */
+
+ if (_session.state_of_the_state() & Session::Loading) {
+ return 0;
+ }
+
if (c->empty()) {
return 0;
}
return 0;
}
- /* if there are 2+ chunks of disk i/o possible for
- this track, let the caller know so that it can arrange
- for us to be called again, ASAP.
- */
-
- if (total_space >= (_slaved ? 3 : 2) * disk_read_chunk_frames) {
- ret = 1;
+ if (fill_level) {
+ if (fill_level < total_space) {
+ total_space -= fill_level;
+ } else {
+ /* we can't do anything with it */
+ fill_level = 0;
+ }
}
/* if we're running close to normal speed and there isn't enough
return 0;
}
- /* never do more than disk_read_chunk_frames worth of disk input per call (limit doesn't apply for memset) */
-
- total_space = min (disk_read_chunk_frames, total_space);
-
if (reversed) {
if (file_frame == 0) {
framepos_t file_frame_tmp = 0;
+ /* total_space is in samples. We want to optimize read sizes in various sizes using bytes */
+
+ const size_t bits_per_sample = format_data_width (_session.config.get_native_file_data_format());
+ size_t total_bytes = total_space * bits_per_sample / 8;
+
+ /* chunk size range is 256kB to 4MB. Bigger is faster in terms of MB/sec, but bigger chunk size always takes longer
+ */
+ size_t byte_size_for_read = max ((size_t) (256 * 1024), min ((size_t) (4 * 1048576), total_bytes));
+
+ /* find nearest (lower) multiple of 16384 */
+
+ byte_size_for_read = (byte_size_for_read / 16384) * 16384;
+
+ /* now back to samples */
+
+ framecnt_t samples_to_read = byte_size_for_read / (bits_per_sample / 8);
+
+ //cerr << name() << " will read " << byte_size_for_read << " out of total bytes " << total_bytes << " in buffer of "
+ // << c->front()->playback_buf->bufsize() * bits_per_sample / 8 << " bps = " << bits_per_sample << endl;
+ // cerr << name () << " read samples = " << samples_to_read << " out of total space " << total_space << " in buffer of " << c->front()->playback_buf->bufsize() << " samples\n";
+
+ // uint64_t before = g_get_monotonic_time ();
+ // uint64_t elapsed;
+
for (chan_n = 0, i = c->begin(); i != c->end(); ++i, ++chan_n) {
ChannelInfo* chan (*i);
chan->playback_buf->get_write_vector (&vector);
- if ((framecnt_t) vector.len[0] > disk_read_chunk_frames) {
+ if ((framecnt_t) vector.len[0] > samples_to_read) {
/* 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:
len2 = vector.len[1];
to_read = min (ts, len1);
- to_read = min (to_read, disk_read_chunk_frames);
+ to_read = min (to_read, (framecnt_t) samples_to_read);
assert (to_read >= 0);
if (to_read) {
- /* we read all of vector.len[0], but it wasn't an entire disk_read_chunk_frames of data,
- so read some or all of vector.len[1] as well.
+ /* we read all of vector.len[0], but it wasn't the
+ entire samples_to_read of data, so read some or
+ all of vector.len[1] as well.
*/
if (read (buf2, mixdown_buffer, gain_buffer, file_frame_tmp, to_read, chan_n, reversed)) {
}
+ // elapsed = g_get_monotonic_time () - before;
+ // cerr << "\tbandwidth = " << (byte_size_for_read / 1048576.0) / (elapsed/1000000.0) << "MB/sec\n";
+
file_frame = file_frame_tmp;
assert (file_frame >= 0);
- out:
+ ret = ((total_space - samples_to_read) > disk_read_chunk_frames);
+
+ c->front()->playback_buf->get_write_vector (&vector);
+ out:
return ret;
}
error << string_compose(_("AudioDiskstream %1: cannot write to disk"), id()) << endmsg;
return -1;
}
-
+
(*chan)->capture_buf->increment_read_ptr (to_write);
(*chan)->curr_capture_cnt += to_write;
if (Config->get_auto_analyse_audio()) {
Analyser::queue_source_for_analysis (s, true);
}
+
+ DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("newly captured source %1 length %2\n", s->path(), s->length (0)));
}
}
}
_last_capture_sources.insert (_last_capture_sources.end(), srcs.begin(), srcs.end());
-
+
_playlist->clear_changes ();
_playlist->set_capture_insertion_in_progress (true);
_playlist->freeze ();
+ const framepos_t preroll_off = _session.preroll_record_trim_len ();
for (buffer_position = c->front()->write_source->last_capture_start_frame(), ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
string region_name;
RegionFactory::region_name (region_name, whole_file_region_name, false);
- DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("%1 capture start @ %2 length %3 add new region %4\n",
- _name, (*ci)->start, (*ci)->frames, region_name));
+ DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("%1 capture bufpos %5 start @ %2 length %3 add new region %4\n",
+ _name, (*ci)->start, (*ci)->frames, region_name, buffer_position));
try {
boost::shared_ptr<Region> rx (RegionFactory::create (srcs, plist));
region = boost::dynamic_pointer_cast<AudioRegion> (rx);
+ if (preroll_off > 0) {
+ region->trim_front (buffer_position + preroll_off);
+ }
}
catch (failed_constructor& err) {
i_am_the_modifier++;
- _playlist->add_region (region, (*ci)->start, 1, non_layered());
+ _playlist->add_region (region, (*ci)->start + preroll_off, 1, non_layered());
_playlist->set_layer (region, DBL_MAX);
i_am_the_modifier--;
// all we need to do is finish this capture, with modified capture length
boost::shared_ptr<ChannelList> c = channels.reader();
- // adjust the capture length knowing that the data will be recorded to disk
- // only necessary after the first loop where we're recording
- if (capture_info.size() == 0) {
- capture_captured += _capture_offset;
-
- if (_alignment_style == ExistingMaterial) {
- capture_captured += _session.worst_output_latency();
- } else {
- capture_captured += _roll_delay;
- }
- }
-
finish_capture (c);
// the next region will start recording via the normal mechanism
*/
DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("Finish capture, add new CI, %1 + %2\n", ci->start, ci->frames));
-
+
capture_info.push_back (ci);
capture_captured = 0;
if (!recordable() || !_session.record_enabling_legal() || _io->n_ports().n_audio() == 0) {
return;
}
-
- /* can't rec-safe in destructive mode if transport is before start ????
+
+ /* can't rec-safe in destructive mode if transport is before start ????
REQUIRES REVIEW */
-
+
if (destructive() && yn && _session.transport_frame() < _session.current_start_frame()) {
return;
}
-
+
/* yes, i know that this not proof against race conditions, but its
good enough. i think.
*/
-
+
if (record_safe () != yn) {
if (yn) {
engage_record_safe ();
} else {
disengage_record_safe ();
}
-
+
RecordSafeChanged (); /* EMIT SIGNAL */
}
}
AudioDiskstream::get_state ()
{
XMLNode& node (Diskstream::get_state());
- char buf[64] = "";
- LocaleGuard lg (X_("C"));
+ LocaleGuard lg;
boost::shared_ptr<ChannelList> c = channels.reader();
- snprintf (buf, sizeof(buf), "%u", (unsigned int) c->size());
- node.add_property ("channels", buf);
+ node.set_property ("channels", (uint32_t)c->size());
if (!capturing_sources.empty() && _session.get_record_enabled()) {
for (vector<boost::shared_ptr<AudioFileSource> >::iterator i = capturing_sources.begin(); i != capturing_sources.end(); ++i) {
cs_grandchild = new XMLNode (X_("file"));
- cs_grandchild->add_property (X_("path"), (*i)->path());
+ cs_grandchild->set_property (X_("path"), (*i)->path());
cs_child->add_child_nocopy (*cs_grandchild);
}
Location* pi;
- if (_session.config.get_punch_in() && ((pi = _session.locations()->auto_punch_location()) != 0)) {
- snprintf (buf, sizeof (buf), "%" PRId64, pi->start());
+ if (_session.preroll_record_punch_enabled ()) {
+ cs_child->set_property (X_("at"), _session.preroll_record_punch_pos());
+ } else if (_session.config.get_punch_in() && ((pi = _session.locations()->auto_punch_location()) != 0)) {
+ cs_child->set_property (X_("at"), pi->start());
} else {
- snprintf (buf, sizeof (buf), "%" PRId64, _session.transport_frame());
+ cs_child->set_property (X_("at"), _session.transport_frame());
}
- cs_child->add_property (X_("at"), buf);
node.add_child_nocopy (*cs_child);
}
int
AudioDiskstream::set_state (const XMLNode& node, int version)
{
- const XMLProperty* prop;
XMLNodeList nlist = node.children();
XMLNodeIterator niter;
- uint32_t nchans = 1;
XMLNode* capture_pending_node = 0;
- LocaleGuard lg (X_("C"));
+ LocaleGuard lg;
/* prevent write sources from being created */
return -1;
}
- if ((prop = node.property ("channels")) != 0) {
- nchans = atoi (prop->value().c_str());
- }
+ uint32_t nchans = 1;
+ node.get_property ("channels", nchans);
// create necessary extra channels
// we are always constructed with one and we always need one
remove_channel (_n_channels.n_audio() - nchans);
}
-
-
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
when slaving to MTC, Timecode etc.
*/
- double const sp = max (fabsf (_actual_speed), 1.2f);
+ double const sp = max (fabs (_actual_speed), 1.2);
framecnt_t required_wrap_size = (framecnt_t) ceil (_session.get_block_size() * sp) + 2;
if (required_wrap_size > wrap_buffer_size) {
}
}
+#ifdef MIXBUS
+ // compensate for latency when bouncing from master or mixbus.
+ // we need to use "ExistingMaterial" to pick up the master bus' latency
+ // see also Route::direct_feeds_according_to_reality
+ IOVector ios;
+ ios.push_back (_io);
+ if (_session.master_out() && ios.fed_by (_session.master_out()->output())) {
+ have_physical = true;
+ }
+ for (uint32_t n = 0; n < NUM_MIXBUSES && !have_physical; ++n) {
+ if (_session.get_mixbus (n) && ios.fed_by (_session.get_mixbus(n)->output())) {
+ have_physical = true;
+ }
+ }
+#endif
+
if (have_physical) {
set_align_style (ExistingMaterial);
} else {
boost::shared_ptr<ChannelList> c = channels.reader();
if (c->empty ()) {
- return 0;
+ return 1.0;
}
return (float) ((double) c->front()->playback_buf->read_space()/
- (double) c->front()->playback_buf->bufsize());
+ (double) c->front()->playback_buf->bufsize());
}
float
boost::shared_ptr<ChannelList> c = channels.reader();
if (c->empty ()) {
- return 0;
+ return 1.0;
}
return (float) ((double) c->front()->capture_buf->write_space()/
int
AudioDiskstream::use_pending_capture_data (XMLNode& node)
{
- const XMLProperty* prop;
+ XMLProperty const * prop;
XMLNodeList nlist = node.children();
XMLNodeIterator niter;
boost::shared_ptr<AudioFileSource> fs;
}
// This protects sessions from errant CapturingSources in stored sessions
- struct stat sbuf;
- if (stat (prop->value().c_str(), &sbuf)) {
+ GStatBuf sbuf;
+ if (g_stat (prop->value().c_str(), &sbuf)) {
continue;
}
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));
* the playlist */
region = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (pending_sources, plist));
-
+
_playlist->add_region (region, position);
}
return 0;
}
+#ifdef XXX_OLD_DESTRUCTIVE_API_XXX
int
AudioDiskstream::set_non_layered (bool yn)
{
bool
AudioDiskstream::can_become_destructive (bool& requires_bounce) const
{
+ if (Profile->get_trx()) {
+ return false;
+ }
+
if (!_playlist) {
requires_bounce = false;
return false;
boost::shared_ptr<Region> first;
{
- const RegionList& rl (_playlist->region_list().rlist());
+ const RegionList& rl (_playlist->region_list_property().rlist());
assert((rl.size() == 1));
first = rl.front();
requires_bounce = false;
return true;
}
+#endif
void
AudioDiskstream::adjust_playback_buffering ()
continue to exist. If we do not do this, then the
Session retains a reference to it, it is not
deleted, and later attempts to create a new source
- file will use wierd naming because it already
+ file will use wierd naming because it already
exists.
XXX longer term TO-DO: do not add to session source
projects / ardour.git / blobdiff