playback_distance = -playback_distance;
}
+ BufferSet& scratch_bufs (_session.get_scratch_buffers (bufs.count()));
+
if (!result_required || ((ms & MonitoringDisk) == 0)) {
/* no need for actual disk data, just advance read pointer and return */
size_t n_buffers = bufs.count().n_audio();
size_t n_chans = c->size();
gain_t scaling;
- BufferSet& scratch_bufs (_session.get_scratch_buffers (bufs.count()));
if (n_chans > n_buffers) {
scaling = ((float) n_buffers)/n_chans;
/* MIDI data handling */
if (!_session.declick_out_pending()) {
-
- /* copy the diskstream data to all output buffers */
-
- MidiBuffer& mbuf (bufs.get_midi (0));
- get_playback (mbuf, playback_distance);
-
- /* vari-speed */
- if (speed != 0.0 && fabsf (speed) != 1.0f) {
+ if (ms & MonitoringDisk) {
MidiBuffer& mbuf (bufs.get_midi (0));
- for (MidiBuffer::iterator i = mbuf.begin(); i != mbuf.end(); ++i) {
- MidiBuffer::TimeType *tme = i.timeptr();
- *tme = (*tme) * nframes / playback_distance;
- }
+ get_playback (mbuf, playback_distance, ms, scratch_bufs, speed, playback_distance);
}
}
if (frames_read <= frames_written) {
if ((frames_written - frames_read) + playback_distance < midi_readahead) {
_need_butler = true;
- } else {
- cerr << name() << " fr " << frames_read << " > " << frames_written << endl;
}
} else {
_need_butler = true;
* so that an event at playback_sample has time = 0
*/
void
-DiskReader::get_playback (MidiBuffer& dst, framecnt_t nframes)
+DiskReader::get_playback (MidiBuffer& dst, framecnt_t nframes, MonitorState ms, BufferSet& scratch_bufs, double speed, framecnt_t playback_distance)
{
- dst.clear();
+ MidiBuffer* target;
- Location* loc = loop_location;
+ if ((ms & MonitoringInput) == 0) {
+ dst.clear();
+ target = &dst;
+ } else {
+ target = &scratch_bufs.get_midi (0);
+ }
- DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose (
- "%1 MDS pre-read read %8 offset = %9 @ %4..%5 from %2 write to %3, LOOPED ? %6 .. %7\n", _name,
- _midi_buf->get_read_ptr(), _midi_buf->get_write_ptr(), playback_sample, playback_sample + nframes,
- (loc ? loc->start() : -1), (loc ? loc->end() : -1), nframes, Port::port_offset()));
+ if (ms & MonitoringDisk) {
+ /* no disk data needed */
- //cerr << "======== PRE ========\n";
- //_midi_buf->dump (cerr);
- //cerr << "----------------\n";
+ Location* loc = loop_location;
- size_t events_read = 0;
+ DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose (
+ "%1 MDS pre-read read %8 offset = %9 @ %4..%5 from %2 write to %3, LOOPED ? %6 .. %7\n", _name,
+ _midi_buf->get_read_ptr(), _midi_buf->get_write_ptr(), playback_sample, playback_sample + nframes,
+ (loc ? loc->start() : -1), (loc ? loc->end() : -1), nframes, Port::port_offset()));
- if (loc) {
- framepos_t effective_start;
+ //cerr << "======== PRE ========\n";
+ //_midi_buf->dump (cerr);
+ //cerr << "----------------\n";
- Evoral::Range<framepos_t> loop_range (loc->start(), loc->end() - 1);
- effective_start = loop_range.squish (playback_sample);
+ size_t events_read = 0;
- DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("looped, effective start adjusted to %1\n", effective_start));
+ if (loc) {
+ framepos_t effective_start;
- if (effective_start == loc->start()) {
- /* We need to turn off notes that may extend
- beyond the loop end.
- */
+ Evoral::Range<framepos_t> loop_range (loc->start(), loc->end() - 1);
+ effective_start = loop_range.squish (playback_sample);
- _midi_buf->resolve_tracker (dst, 0);
- }
+ DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("looped, effective start adjusted to %1\n", effective_start));
- /* for split-cycles we need to offset the events */
+ if (effective_start == loc->start()) {
+ /* We need to turn off notes that may extend
+ beyond the loop end.
+ */
- if (loc->end() >= effective_start && loc->end() < effective_start + nframes) {
+ _midi_buf->resolve_tracker (*target, 0);
+ }
- /* end of loop is within the range we are reading, so
- split the read in two, and lie about the location
- for the 2nd read
- */
+ /* for split-cycles we need to offset the events */
- framecnt_t first, second;
+ if (loc->end() >= effective_start && loc->end() < effective_start + nframes) {
- first = loc->end() - effective_start;
- second = nframes - first;
+ /* end of loop is within the range we are reading, so
+ split the read in two, and lie about the location
+ for the 2nd read
+ */
- DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("loop read for eff %1 end %2: %3 and %4, cycle offset %5\n",
- effective_start, loc->end(), first, second));
+ framecnt_t first, second;
- if (first) {
- DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("loop read #1, from %1 for %2\n",
- effective_start, first));
- events_read = _midi_buf->read (dst, effective_start, first);
- }
+ first = loc->end() - effective_start;
+ second = nframes - first;
- if (second) {
- DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("loop read #2, from %1 for %2\n",
- loc->start(), second));
- events_read += _midi_buf->read (dst, loc->start(), second);
- }
+ DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("loop read for eff %1 end %2: %3 and %4, cycle offset %5\n",
+ effective_start, loc->end(), first, second));
+ if (first) {
+ DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("loop read #1, from %1 for %2\n",
+ effective_start, first));
+ events_read = _midi_buf->read (*target, effective_start, first);
+ }
+
+ if (second) {
+ DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("loop read #2, from %1 for %2\n",
+ loc->start(), second));
+ events_read += _midi_buf->read (*target, loc->start(), second);
+ }
+
+ } else {
+ DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("loop read #3, adjusted start as %1 for %2\n",
+ effective_start, nframes));
+ events_read = _midi_buf->read (*target, effective_start, effective_start + nframes);
+ }
} else {
- DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("loop read #3, adjusted start as %1 for %2\n",
- effective_start, nframes));
- events_read = _midi_buf->read (dst, effective_start, effective_start + nframes);
- }
- } else {
- const size_t n_skipped = _midi_buf->skip_to (playback_sample);
- if (n_skipped > 0) {
- warning << string_compose(_("MidiDiskstream %1: skipped %2 events, possible underflow"), id(), n_skipped) << endmsg;
+ const size_t n_skipped = _midi_buf->skip_to (playback_sample);
+ if (n_skipped > 0) {
+ warning << string_compose(_("MidiDiskstream %1: skipped %2 events, possible underflow"), id(), n_skipped) << endmsg;
+ }
+ DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("playback buffer read, from %1 to %2 (%3)", playback_sample, playback_sample + nframes, nframes));
+ events_read = _midi_buf->read (*target, playback_sample, playback_sample + nframes);
}
- DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("playback buffer read, from %1 to %2 (%3)", playback_sample, playback_sample + nframes, nframes));
- events_read = _midi_buf->read (dst, playback_sample, playback_sample + nframes);
- }
- DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose (
- "%1 MDS events read %2 range %3 .. %4 rspace %5 wspace %6 r@%7 w@%8\n",
- _name, events_read, playback_sample, playback_sample + nframes,
- _midi_buf->read_space(), _midi_buf->write_space(),
- _midi_buf->get_read_ptr(), _midi_buf->get_write_ptr()));
+ DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose (
+ "%1 MDS events read %2 range %3 .. %4 rspace %5 wspace %6 r@%7 w@%8\n",
+ _name, events_read, playback_sample, playback_sample + nframes,
+ _midi_buf->read_space(), _midi_buf->write_space(),
+ _midi_buf->get_read_ptr(), _midi_buf->get_write_ptr()));
+ }
g_atomic_int_add (&_frames_read_from_ringbuffer, nframes);
+ /* vari-speed */
+
+ if (speed != 0.0 && fabsf (speed) != 1.0f) {
+ for (MidiBuffer::iterator i = target->begin(); i != target->end(); ++i) {
+ MidiBuffer::TimeType *tme = i.timeptr();
+ *tme = (*tme) * nframes / playback_distance;
+ }
+ }
+
+ if (ms & MonitoringInput) {
+ dst.merge_from (*target, nframes);
+ }
+
//cerr << "======== POST ========\n";
//_midi_buf->dump (cerr);
//cerr << "----------------\n";
projects / ardour.git / commitdiff