#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 "ardour/send.h"
#include "ardour/session.h"
#include "ardour/source_factory.h"
+#include "ardour/track.h"
#include "ardour/utils.h"
#include "ardour/session_playlists.h"
#include "ardour/route.h"
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());
return use_playlist (playlist);
} else {
return -1;
}
}
+
+/** 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 (framepos_t transport_frame, pframes_t nframes, bool can_record, bool rec_monitors_input, bool& need_butler)
+AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecnt_t& playback_distance)
{
uint32_t n;
boost::shared_ptr<ChannelList> c = channels.reader();
ChannelList::iterator chan;
- int ret = -1;
framecnt_t rec_offset = 0;
framecnt_t rec_nframes = 0;
bool collect_playback = false;
+ bool can_record = _session.actively_recording ();
playback_distance = 0;
(*chan)->current_playback_buffer = 0;
}
- // Safeguard against situations where process() goes haywire when autopunching
+ // Safeguard against situations where process() goes haywire when autopunching
// and last_recordable_frame < first_recordable_frame
if (last_recordable_frame < first_recordable_frame) {
OverlapType ot = 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;
was_recording = true;
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 <= (framecnt_t) ap->get_audio_buffer(nframes).capacity());
- memcpy (chaninfo->current_capture_buffer, ap->get_audio_buffer (nframes).data(rec_offset), sizeof (Sample) * rec_nframes);
+ Sample *buf = ap->get_audio_buffer (nframes).data (rec_offset);
+ memcpy (chaninfo->current_capture_buffer, buf, sizeof (Sample) * rec_nframes);
} else {
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();
+ Sample* buf = ap->get_audio_buffer(nframes).data (rec_offset);
framecnt_t first = chaninfo->capture_vector.len[0];
memcpy (chaninfo->capture_wrap_buffer, buf, sizeof (Sample) * first);
} else {
if (was_recording) {
- finish_capture (rec_monitors_input, c);
+ finish_capture (c);
}
}
collect_playback = true;
}
- if (collect_playback) {
-
+ if ((_track->monitoring_state () & MonitoringDisk) || collect_playback) {
+
/* we're doing playback */
framecnt_t necessary_samples;
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 <= (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 {
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.
+ */
+
+ /* 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;
-
- if (commit (nframes)) {
- need_butler = true;
}
- out:
- return ret;
-}
-
-void
-AudioDiskstream::process_varispeed_playback (pframes_t nframes, boost::shared_ptr<ChannelList> c)
-{
- ChannelList::iterator chan;
-
- interpolation.set_speed (_target_speed);
-
- int channel = 0;
- for (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;
- }
+ return 0;
}
+/** 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 (framecnt_t /* nframes */)
+AudioDiskstream::commit (framecnt_t playback_distance)
{
bool need_butler = false;
capture_captured += adjust_capture_position;
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;
_pending_overwrite = false;
return 0;
}
-
+
Sample* mixdown_buffer;
float* gain_buffer;
int ret = -1;
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;
}
}
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,
+AudioDiskstream::read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer,
framepos_t& start, framecnt_t cnt,
- ChannelInfo* /*channel_info*/, int channel, bool reversed)
+ int channel, bool reversed)
{
framecnt_t this_read = 0;
bool reloop = false;
*/
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;
}
-
+
+ /* 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.
+ */
+
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;
framecnt_t to_read;
RingBufferNPT<Sample>::rw_vector vector;
- bool reversed = (_visible_speed * _session.transport_speed()) < 0.0f;
+ bool const reversed = (_visible_speed * _session.transport_speed()) < 0.0f;
framecnt_t total_space;
framecnt_t zero_fill;
uint32_t chan_n;
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) {
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:
return ret;
RingBufferNPT<CaptureTransition>::rw_vector transvec;
framecnt_t total;
- _write_data_count = 0;
-
transvec.buf[0] = 0;
transvec.buf[1] = 0;
vector.buf[0] = 0;
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;
}
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;
}
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.
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));
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);
}
i_am_the_modifier++;
- if (_playlist->explicit_relayering()) {
- /* We are in `explicit relayering' mode, so we must specify which layer this new region
- should end up on. Put it at the top.
- */
- region->set_layer (_playlist->top_layer() + 1);
- region->set_pending_explicit_relayer (true);
- }
-
+ region->set_pending_layer (max_layer);
_playlist->add_region (region, (*ci)->start, 1, non_layered());
i_am_the_modifier--;
}
}
- 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
}
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;
if (Config->get_monitoring_model() == HardwareMonitoring) {
for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) {
- (*chan)->source.ensure_monitor_input (!(_session.config.get_auto_input() && rolling));
+ (*chan)->source.request_jack_monitors_input (!(_session.config.get_auto_input() && rolling));
capturing_sources.push_back ((*chan)->write_source);
(*chan)->write_source->mark_streaming_write_started ();
}
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.ensure_monitor_input (false);
+ (*chan)->source.request_jack_monitors_input (false);
}
}
capturing_sources.clear ();
/* do not remove destructive files even if they are empty */
chan->write_source->set_allow_remove_if_empty (!destructive());
-
+
return 0;
}
-list<boost::shared_ptr<Source> >
+list<boost::shared_ptr<Source> >
AudioDiskstream::steal_write_sources()
{
/* not possible to steal audio write sources */
(*chan)->write_source->mark_for_remove ();
(*chan)->write_source->drop_references ();
}
-
+
(*chan)->write_source.reset ();
}
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_jack_monitors_input (bool yn)
{
boost::shared_ptr<ChannelList> c = channels.reader();
for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) {
- (*chan)->source.ensure_monitor_input (yn);
+ (*chan)->source.request_jack_monitors_input (yn);
}
}
{
while (how_many--) {
c->push_back (new ChannelInfo(
- _session.butler()->audio_diskstream_playback_buffer_size(),
+ _session.butler()->audio_diskstream_playback_buffer_size(),
_session.butler()->audio_diskstream_capture_buffer_size(),
speed_buffer_size, wrap_buffer_size));
interpolation.add_channel_to (
if (c->empty ()) {
return 0;
}
-
+
return (float) ((double) c->front()->capture_buf->write_space()/
(double) c->front()->capture_buf->bufsize());
}
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));
return true;
}
-void
+void
AudioDiskstream::adjust_playback_buffering ()
{
boost::shared_ptr<ChannelList> c = channels.reader();
}
}
-void
+void
AudioDiskstream::adjust_capture_buffering ()
{
boost::shared_ptr<ChannelList> c = channels.reader();
}
void
-AudioDiskstream::ChannelSource::ensure_monitor_input (bool yn) const
+AudioDiskstream::ChannelSource::request_jack_monitors_input (bool yn) const
{
if (name.empty()) {
return;
}
- return AudioEngine::instance()->ensure_monitor_input (name, yn);
+ return AudioEngine::instance()->request_jack_monitors_input (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;
current_capture_buffer = 0;
current_playback_buffer = 0;
curr_capture_cnt = 0;
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);
}
projects / ardour.git / blobdiff