X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fdisk_reader.cc;h=624a9ac17d7fb0cff581c60427cd51bb3f58548e;hb=5ada17eba0195d90f0685776251b384efdf5168e;hp=cc4a0fe2f3ceaacce39550c54beca727f7784e97;hpb=30c6096d20799fa7da6a45051ff70a448d272f6b;p=ardour.git diff --git a/libs/ardour/disk_reader.cc b/libs/ardour/disk_reader.cc index cc4a0fe2f3..624a9ac17d 100644 --- a/libs/ardour/disk_reader.cc +++ b/libs/ardour/disk_reader.cc @@ -18,7 +18,6 @@ */ #include "pbd/enumwriter.h" -#include "pbd/i18n.h" #include "pbd/memento_command.h" #include "ardour/audioengine.h" @@ -29,31 +28,36 @@ #include "ardour/disk_reader.h" #include "ardour/midi_ring_buffer.h" #include "ardour/midi_playlist.h" +#include "ardour/midi_track.h" #include "ardour/pannable.h" #include "ardour/playlist.h" #include "ardour/playlist_factory.h" #include "ardour/session.h" #include "ardour/session_playlists.h" +#include "pbd/i18n.h" + using namespace ARDOUR; using namespace PBD; using namespace std; -ARDOUR::framecnt_t DiskReader::_chunk_frames = default_chunk_frames (); +ARDOUR::samplecnt_t DiskReader::_chunk_samples = default_chunk_samples (); PBD::Signal0 DiskReader::Underrun; Sample* DiskReader::_mixdown_buffer = 0; gain_t* DiskReader::_gain_buffer = 0; -framecnt_t DiskReader::midi_readahead = 4096; +samplecnt_t DiskReader::midi_readahead = 4096; +bool DiskReader::_no_disk_output = false; DiskReader::DiskReader (Session& s, string const & str, DiskIOProcessor::Flag f) : DiskIOProcessor (s, str, f) - , _roll_delay (0) - , overwrite_frame (0) - , overwrite_offset (0) - , _pending_overwrite (false) - , overwrite_queued (false) + , overwrite_sample (0) + , overwrite_offset (0) + , _pending_overwrite (false) + , overwrite_queued (false) , _gui_feed_buffer (AudioEngine::instance()->raw_buffer_size (DataType::MIDI)) { + file_sample[DataType::AUDIO] = 0; + file_sample[DataType::MIDI] = 0; } DiskReader::~DiskReader () @@ -103,8 +107,8 @@ DiskReader::free_working_buffers() _gain_buffer = 0; } -framecnt_t -DiskReader::default_chunk_frames() +samplecnt_t +DiskReader::default_chunk_samples() { return 65536; } @@ -112,7 +116,7 @@ DiskReader::default_chunk_frames() bool DiskReader::set_name (string const & str) { - string my_name = X_("reader:"); + string my_name = X_("player:"); my_name += str; if (_name != my_name) { @@ -122,12 +126,6 @@ DiskReader::set_name (string const & str) return true; } -void -DiskReader::set_roll_delay (ARDOUR::framecnt_t nframes) -{ - _roll_delay = nframes; -} - XMLNode& DiskReader::state (bool full) { @@ -233,13 +231,13 @@ DiskReader::use_playlist (DataType dt, boost::shared_ptr playlist) } void -DiskReader::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, +DiskReader::run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool result_required) { uint32_t n; boost::shared_ptr c = channels.reader(); ChannelList::iterator chan; - frameoffset_t playback_distance; + sampleoffset_t disk_samples_to_consume; MonitorState ms = _route->monitoring_state (); if (_active) { @@ -255,42 +253,48 @@ DiskReader::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, } } - _need_butler = false; - - if (speed == 0.0 && (ms == MonitoringDisk)) { - /* stopped. Don't accidentally pass any data from disk - * into our outputs (e.g. via interpolation) - */ - bufs.silence (nframes, 0); + if (speed == 0.0) { + /* stopped. Don't accidentally pass any data from disk + * into our outputs (e.g. via interpolation) + * nor jump ahead playback_sample when not rolling + */ + if (ms == MonitoringDisk) { + /* when monitoring disk, clear input data so far, + * everything before the disk processor is not relevant. + */ + bufs.silence (nframes, 0); + } return; } if (speed != 1.0f && speed != -1.0f) { interpolation.set_speed (speed); midi_interpolation.set_speed (speed); - playback_distance = midi_interpolation.distance (nframes); + disk_samples_to_consume = midi_interpolation.distance (nframes); if (speed < 0.0) { - playback_distance = -playback_distance; + disk_samples_to_consume = -disk_samples_to_consume; } } else { - playback_distance = nframes; + disk_samples_to_consume = nframes; } BufferSet& scratch_bufs (_session.get_scratch_buffers (bufs.count())); - const bool still_locating = _session.locate_pending(); + const bool still_locating = _session.global_locate_pending(); - if (!result_required || ((ms & MonitoringDisk) == 0) || still_locating) { + if (!result_required || ((ms & MonitoringDisk) == 0) || still_locating || _no_disk_output) { /* no need for actual disk data, just advance read pointer and return */ - for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) { - (*chan)->buf->increment_read_ptr (playback_distance); + if (!still_locating || _no_disk_output) { + for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan) { + (*chan)->buf->increment_read_ptr (disk_samples_to_consume); + } } - /* if monitoring disk but locating, put silence in the buffers */ + /* if monitoring disk but locating put silence in the buffers */ - if (still_locating && (ms == MonitoringDisk)) { - bufs.silence (playback_distance, 0); + if ((_no_disk_output || still_locating) && (ms == MonitoringDisk)) { + bufs.silence (nframes, 0); } } else { @@ -321,24 +325,40 @@ DiskReader::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, disk_signal = output.data (); } + if (start_sample < playback_sample) { + cerr << owner()->name() << " SS = " << start_sample << " PS = " << playback_sample << endl; + abort (); + } + + if (start_sample != playback_sample) { + cerr << owner()->name() << " playback not aligned, jump ahead " << (start_sample - playback_sample) << endl; + + if (can_internal_playback_seek (start_sample - playback_sample)) { + internal_playback_seek (start_sample - playback_sample); + } else { + cerr << owner()->name() << " playback not possible: ss = " << start_sample << " ps = " << playback_sample << endl; + goto midi; + } + } + chaninfo->buf->get_read_vector (&(*chan)->rw_vector); - if (playback_distance <= (framecnt_t) chaninfo->rw_vector.len[0]) { + if (disk_samples_to_consume <= (samplecnt_t) chaninfo->rw_vector.len[0]) { if (fabsf (speed) != 1.0f) { (void) interpolation.interpolate ( - n, nframes, + n, disk_samples_to_consume, chaninfo->rw_vector.buf[0], disk_signal); } else if (speed != 0.0) { - memcpy (disk_signal, chaninfo->rw_vector.buf[0], sizeof (Sample) * playback_distance); + memcpy (disk_signal, chaninfo->rw_vector.buf[0], sizeof (Sample) * disk_samples_to_consume); } } else { - const framecnt_t total = chaninfo->rw_vector.len[0] + chaninfo->rw_vector.len[1]; + const samplecnt_t total = chaninfo->rw_vector.len[0] + chaninfo->rw_vector.len[1]; - if (playback_distance <= total) { + if (disk_samples_to_consume <= total) { /* We have enough samples, but not in one lump. */ @@ -348,22 +368,21 @@ DiskReader::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, chaninfo->rw_vector.buf[0], disk_signal); disk_signal += chaninfo->rw_vector.len[0]; - interpolation.interpolate (n, playback_distance - chaninfo->rw_vector.len[0], + interpolation.interpolate (n, disk_samples_to_consume - chaninfo->rw_vector.len[0], chaninfo->rw_vector.buf[1], disk_signal); } else if (speed != 0.0) { memcpy (disk_signal, chaninfo->rw_vector.buf[0], chaninfo->rw_vector.len[0] * sizeof (Sample)); - disk_signal += chaninfo->rw_vector.len[0]; - memcpy (disk_signal, + memcpy (disk_signal + chaninfo->rw_vector.len[0], chaninfo->rw_vector.buf[1], - (playback_distance - chaninfo->rw_vector.len[0]) * sizeof (Sample)); + (disk_samples_to_consume - chaninfo->rw_vector.len[0]) * sizeof (Sample)); } } else { - cerr << _name << " Need " << playback_distance << " total = " << total << endl; + cerr << _name << " Need " << disk_samples_to_consume << " total = " << total << endl; cerr << "underrun for " << _name << endl; DEBUG_TRACE (DEBUG::Butler, string_compose ("%1 underrun in %2, total space = %3\n", DEBUG_THREAD_SELF, name(), total)); @@ -374,32 +393,45 @@ DiskReader::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, } if (scaling != 1.0f && speed != 0.0) { - apply_gain_to_buffer (disk_signal, nframes, scaling); + apply_gain_to_buffer (disk_signal, disk_samples_to_consume, scaling); } - chaninfo->buf->increment_read_ptr (playback_distance); + chaninfo->buf->increment_read_ptr (disk_samples_to_consume); + + monitor_mix: - if ((speed != 0.0) && (ms & MonitoringInput)) { + if (ms & MonitoringInput) { /* mix the disk signal into the input signal (already in bufs) */ - mix_buffers_no_gain (output.data(), disk_signal, speed == 0.0 ? nframes : playback_distance); + mix_buffers_no_gain (output.data(), disk_signal, disk_samples_to_consume); } } } /* MIDI data handling */ - if (!_session.declick_out_pending()) { - if (ms & MonitoringDisk && !still_locating) { - get_midi_playback (bufs.get_midi (0), playback_distance, ms, scratch_bufs, speed, playback_distance); + midi: + if (!_session.declick_out_pending() && bufs.count().n_midi()) { + MidiBuffer* dst; + + if (_no_disk_output) { + dst = &scratch_bufs.get_midi(0); + } else { + dst = &bufs.get_midi (0); + } + + if ((ms & MonitoringDisk) && !still_locating) { + get_midi_playback (*dst, disk_samples_to_consume, ms, scratch_bufs, speed, disk_samples_to_consume); } } if (!still_locating) { + bool butler_required = false; + if (speed < 0.0) { - playback_sample -= playback_distance; + playback_sample -= disk_samples_to_consume; } else { - playback_sample += playback_distance; + playback_sample += disk_samples_to_consume; } if (_playlists[DataType::AUDIO]) { @@ -408,13 +440,13 @@ DiskReader::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, if (c->front()->buf->write_space() >= c->front()->buf->bufsize() / 2) { DEBUG_TRACE (DEBUG::Butler, string_compose ("%1: slaved, write space = %2 of %3\n", name(), c->front()->buf->write_space(), c->front()->buf->bufsize())); - _need_butler = true; + butler_required = true; } } else { - if ((framecnt_t) c->front()->buf->write_space() >= _chunk_frames) { + if ((samplecnt_t) c->front()->buf->write_space() >= _chunk_samples) { DEBUG_TRACE (DEBUG::Butler, string_compose ("%1: write space = %2 of %3\n", name(), c->front()->buf->write_space(), - _chunk_frames)); - _need_butler = true; + _chunk_samples)); + butler_required = true; } } } @@ -423,16 +455,16 @@ DiskReader::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, if (_playlists[DataType::MIDI]) { /* MIDI butler needed part */ - uint32_t frames_read = g_atomic_int_get(const_cast(&_frames_read_from_ringbuffer)); - uint32_t frames_written = g_atomic_int_get(const_cast(&_frames_written_to_ringbuffer)); + uint32_t samples_read = g_atomic_int_get(const_cast(&_samples_read_from_ringbuffer)); + uint32_t samples_written = g_atomic_int_get(const_cast(&_samples_written_to_ringbuffer)); /* - cerr << name() << " MDS written: " << frames_written << " - read: " << frames_read << - " = " << frames_written - frames_read - << " + " << playback_distance << " < " << midi_readahead << " = " << need_butler << ")" << endl; + cerr << name() << " MDS written: " << samples_written << " - read: " << samples_read << + " = " << samples_written - samples_read + << " + " << disk_samples_to_consume << " < " << midi_readahead << " = " << need_butler << ")" << endl; */ - /* frames_read will generally be less than frames_written, but + /* samples_read will generally be less than samples_written, but * immediately after an overwrite, we can end up having read some data * before we've written any. we don't need to trip an assert() on this, * but we do need to check so that the decision on whether or not we @@ -443,13 +475,13 @@ DiskReader::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, * * Doing heavy GUI operations[1] can stall also the butler. * The RT-thread meanwhile will happily continue and - * ‘frames_read’ (from buffer to output) will become larger - * than ‘frames_written’ (from disk to buffer). + * ‘samples_read’ (from buffer to output) will become larger + * than ‘samples_written’ (from disk to buffer). * * The disk-stream is now behind.. * * In those cases the butler needs to be summed to refill the buffer (done now) - * AND we need to skip (frames_read - frames_written). ie remove old events + * AND we need to skip (samples_read - samples_written). ie remove old events * before playback_sample from the rinbuffer. * * [1] one way to do so is described at #6170. @@ -460,18 +492,20 @@ DiskReader::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, * In both cases the root cause is that redrawing MIDI regions on the GUI is still very slow * and can stall */ - if (frames_read <= frames_written) { - if ((frames_written - frames_read) + playback_distance < midi_readahead) { - _need_butler = true; + if (samples_read <= samples_written) { + if ((samples_written - samples_read) + disk_samples_to_consume < midi_readahead) { + butler_required = true; } } else { - _need_butler = true; + butler_required = true; } } + + _need_butler = butler_required; } - DEBUG_TRACE (DEBUG::Butler, string_compose ("%1 reader run, needs butler = %2\n", name(), _need_butler)); + // DEBUG_TRACE (DEBUG::Butler, string_compose ("%1 reader run, needs butler = %2\n", name(), _need_butler)); } void @@ -481,7 +515,7 @@ DiskReader::set_pending_overwrite (bool yn) _pending_overwrite = yn; - overwrite_frame = playback_sample; + overwrite_sample = playback_sample; boost::shared_ptr c = channels.reader (); if (!c->empty ()) { @@ -498,7 +532,7 @@ DiskReader::overwrite_existing_buffers () overwrite_queued = false; - DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1 overwriting existing buffers at %2\n", overwrite_frame)); + DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1 overwriting existing buffers at %2\n", overwrite_sample)); if (!c->empty ()) { @@ -507,7 +541,7 @@ DiskReader::overwrite_existing_buffers () const bool reversed = _session.transport_speed() < 0.0f; /* assume all are the same size */ - framecnt_t size = c->front()->buf->bufsize(); + samplecnt_t size = c->front()->buf->bufsize(); std::auto_ptr mixdown_buffer (new Sample[size]); std::auto_ptr gain_buffer (new float[size]); @@ -518,12 +552,12 @@ DiskReader::overwrite_existing_buffers () size--; uint32_t n=0; - framepos_t start; + samplepos_t start; for (ChannelList::iterator chan = c->begin(); chan != c->end(); ++chan, ++n) { - start = overwrite_frame; - framecnt_t cnt = size; + start = overwrite_sample; + samplecnt_t cnt = size; /* to fill the buffer without resetting the playback sample, we need to do it one or two chunks (normally two). @@ -536,10 +570,10 @@ DiskReader::overwrite_existing_buffers () */ - framecnt_t to_read = size - overwrite_offset; + samplecnt_t to_read = size - overwrite_offset; if (audio_read ((*chan)->buf->buffer() + overwrite_offset, mixdown_buffer.get(), gain_buffer.get(), start, to_read, n, reversed)) { - error << string_compose(_("DiskReader %1: when refilling, cannot read %2 from playlist at frame %3"), + error << string_compose(_("DiskReader %1: when refilling, cannot read %2 from playlist at sample %3"), id(), size, playback_sample) << endmsg; goto midi; } @@ -549,7 +583,7 @@ DiskReader::overwrite_existing_buffers () cnt -= to_read; if (audio_read ((*chan)->buf->buffer(), mixdown_buffer.get(), gain_buffer.get(), start, cnt, n, reversed)) { - error << string_compose(_("DiskReader %1: when refilling, cannot read %2 from playlist at frame %3"), + error << string_compose(_("DiskReader %1: when refilling, cannot read %2 from playlist at sample %3"), id(), size, playback_sample) << endmsg; goto midi; } @@ -570,19 +604,18 @@ DiskReader::overwrite_existing_buffers () _midi_buf->reset (); _midi_buf->reset_tracker (); - g_atomic_int_set (&_frames_read_from_ringbuffer, 0); - g_atomic_int_set (&_frames_written_to_ringbuffer, 0); + g_atomic_int_set (&_samples_read_from_ringbuffer, 0); + g_atomic_int_set (&_samples_written_to_ringbuffer, 0); /* Resolve all currently active notes in the playlist. This is more aggressive than it needs to be: ideally we would only resolve what is absolutely necessary, but this seems difficult and/or impossible without having the old data or knowing what change caused the overwrite. */ - midi_playlist()->resolve_note_trackers (*_midi_buf, overwrite_frame); - - midi_read (overwrite_frame, _chunk_frames, false); + midi_playlist()->resolve_note_trackers (*_midi_buf, overwrite_sample); - file_frame = overwrite_frame; // it was adjusted by ::midi_read() + midi_read (overwrite_sample, _chunk_samples, false); + file_sample[DataType::MIDI] = overwrite_sample; // overwrite_sample was adjusted by ::midi_read() to the new position } _pending_overwrite = false; @@ -591,18 +624,20 @@ DiskReader::overwrite_existing_buffers () } int -DiskReader::seek (framepos_t frame, bool complete_refill) +DiskReader::seek (samplepos_t sample, bool complete_refill) { uint32_t n; int ret = -1; ChannelList::iterator chan; boost::shared_ptr c = channels.reader(); + //sample = std::max ((samplecnt_t)0, sample -_session.worst_output_latency ()); + for (n = 0, chan = c->begin(); chan != c->end(); ++chan, ++n) { (*chan)->buf->reset (); } - if (g_atomic_int_get (&_frames_read_from_ringbuffer) == 0) { + if (g_atomic_int_get (&_samples_read_from_ringbuffer) == 0) { /* we haven't read anything since the last seek, so flush all note trackers to prevent wierdness @@ -611,11 +646,12 @@ DiskReader::seek (framepos_t frame, bool complete_refill) } _midi_buf->reset(); - g_atomic_int_set(&_frames_read_from_ringbuffer, 0); - g_atomic_int_set(&_frames_written_to_ringbuffer, 0); + g_atomic_int_set(&_samples_read_from_ringbuffer, 0); + g_atomic_int_set(&_samples_written_to_ringbuffer, 0); - playback_sample = frame; - file_frame = frame; + playback_sample = sample; + file_sample[DataType::AUDIO] = sample; + file_sample[DataType::MIDI] = sample; if (complete_refill) { /* call _do_refill() to refill the entire buffer, using @@ -634,7 +670,7 @@ DiskReader::seek (framepos_t frame, bool complete_refill) } int -DiskReader::can_internal_playback_seek (framecnt_t distance) +DiskReader::can_internal_playback_seek (samplecnt_t distance) { /* 1. Audio */ @@ -649,14 +685,14 @@ DiskReader::can_internal_playback_seek (framecnt_t distance) /* 2. MIDI */ - uint32_t frames_read = g_atomic_int_get(&_frames_read_from_ringbuffer); - uint32_t frames_written = g_atomic_int_get(&_frames_written_to_ringbuffer); + uint32_t samples_read = g_atomic_int_get(&_samples_read_from_ringbuffer); + uint32_t samples_written = g_atomic_int_get(&_samples_written_to_ringbuffer); - return ((frames_written - frames_read) < distance); + return ((samples_written - samples_read) < distance); } int -DiskReader::internal_playback_seek (framecnt_t distance) +DiskReader::internal_playback_seek (samplecnt_t distance) { ChannelList::iterator chan; boost::shared_ptr c = channels.reader(); @@ -682,21 +718,21 @@ void swap_by_ptr (Sample *first, Sample *last) /** 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 + * @param start Session sample 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 DiskReader::audio_read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, - framepos_t& start, framecnt_t cnt, + samplepos_t& start, samplecnt_t cnt, int channel, bool reversed) { - framecnt_t this_read = 0; + samplecnt_t this_read = 0; bool reloop = false; - framepos_t loop_end = 0; - framepos_t loop_start = 0; - framecnt_t offset = 0; + samplepos_t loop_end = 0; + samplepos_t loop_start = 0; + samplecnt_t offset = 0; Location *loc = 0; if (!_playlists[DataType::AUDIO]) { @@ -708,7 +744,7 @@ DiskReader::audio_read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, if (!reversed) { - framecnt_t loop_length = 0; + samplecnt_t loop_length = 0; /* Make the use of a Location atomic for this read operation. @@ -724,7 +760,7 @@ DiskReader::audio_read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, loop_length = loop_end - loop_start; } - /* if we are looping, ensure that the first frame we read is at the correct + /* if we are looping, ensure that the first sample we read is at the correct position within the loop. */ @@ -761,7 +797,7 @@ DiskReader::audio_read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer, 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(_("DiskReader %1: cannot read %2 from playlist at frame %3"), id(), this_read, + error << string_compose(_("DiskReader %1: cannot read %2 from playlist at sample %3"), id(), this_read, start) << endmsg; return -1; } @@ -801,7 +837,7 @@ DiskReader::_do_refill_with_alloc (bool partial_fill) std::auto_ptr mix_buf (new Sample[2*1048576]); std::auto_ptr gain_buf (new float[2*1048576]); - int ret = refill_audio (mix_buf.get(), gain_buf.get(), (partial_fill ? _chunk_frames : 0)); + int ret = refill_audio (mix_buf.get(), gain_buf.get(), (partial_fill ? _chunk_samples : 0)); if (ret) { return ret; @@ -812,7 +848,7 @@ DiskReader::_do_refill_with_alloc (bool partial_fill) } int -DiskReader::refill (Sample* mixdown_buffer, float* gain_buffer, framecnt_t fill_level) +DiskReader::refill (Sample* mixdown_buffer, float* gain_buffer, samplecnt_t fill_level) { int ret = refill_audio (mixdown_buffer, gain_buffer, fill_level); @@ -834,7 +870,7 @@ DiskReader::refill (Sample* mixdown_buffer, float* gain_buffer, framecnt_t fill_ */ int -DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t fill_level) +DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, samplecnt_t fill_level) { /* do not read from disk while session is marked as Loading, to avoid useless redundant I/O. @@ -845,15 +881,15 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t } int32_t ret = 0; - framecnt_t to_read; + samplecnt_t to_read; RingBufferNPT::rw_vector vector; bool const reversed = _session.transport_speed() < 0.0f; - framecnt_t total_space; - framecnt_t zero_fill; + samplecnt_t total_space; + samplecnt_t zero_fill; uint32_t chan_n; ChannelList::iterator i; boost::shared_ptr c = channels.reader(); - framecnt_t ts; + samplecnt_t ts; if (c->empty()) { return 0; @@ -885,18 +921,18 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t } /* if we're running close to normal speed and there isn't enough - space to do disk_read_chunk_frames of I/O, then don't bother. + space to do disk_read_chunk_samples of I/O, then don't bother. 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_read_chunk_frames is smaller + Note: it is a design assumption that disk_read_chunk_samples is smaller than the playback buffer size, so this check should never trip when the playback buffer is empty. */ - DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1: space to refill %2 vs. chunk %3 (speed = %4)\n", name(), total_space, _chunk_frames, _session.transport_speed())); - if ((total_space < _chunk_frames) && fabs (_session.transport_speed()) < 2.0f) { + DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1: space to refill %2 vs. chunk %3 (speed = %4)\n", name(), total_space, _chunk_samples, _session.transport_speed())); + if ((total_space < _chunk_samples) && fabs (_session.transport_speed()) < 2.0f) { return 0; } @@ -905,14 +941,16 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t work with. */ - if (_slaved && total_space < (framecnt_t) (c->front()->buf->bufsize() / 2)) { + if (_slaved && total_space < (samplecnt_t) (c->front()->buf->bufsize() / 2)) { DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1: not enough to refill while slaved\n", this)); return 0; } + samplepos_t ffa = file_sample[DataType::AUDIO]; + if (reversed) { - if (file_frame == 0) { + if (ffa == 0) { /* at start: nothing to do but fill with silence */ @@ -929,14 +967,14 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t return 0; } - if (file_frame < total_space) { + if (ffa < total_space) { /* too close to the start: read what we can, and then zero fill the rest */ - zero_fill = total_space - file_frame; - total_space = file_frame; + zero_fill = total_space - ffa; + total_space = ffa; } else { @@ -945,7 +983,7 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t } else { - if (file_frame == max_framepos) { + if (ffa == max_samplepos) { /* at end: nothing to do but fill with silence */ @@ -962,19 +1000,19 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t return 0; } - if (file_frame > max_framepos - total_space) { + if (ffa > max_samplepos - total_space) { /* to close to the end: read what we can, and zero fill the rest */ - zero_fill = total_space - (max_framepos - file_frame); - total_space = max_framepos - file_frame; + zero_fill = total_space - (max_samplepos - ffa); + total_space = max_samplepos - ffa; } else { zero_fill = 0; } } - framepos_t file_frame_tmp = 0; + samplepos_t file_sample_tmp = 0; /* total_space is in samples. We want to optimize read sizes in various sizes using bytes */ @@ -991,7 +1029,7 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t /* now back to samples */ - framecnt_t samples_to_read = byte_size_for_read / (bits_per_sample / 8); + samplecnt_t samples_to_read = byte_size_for_read / (bits_per_sample / 8); DEBUG_TRACE (DEBUG::DiskIO, string_compose ("%1: will refill %2 channels with %3 samples\n", name(), c->size(), total_space)); @@ -1003,18 +1041,18 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t ChannelInfo* chan (*i); Sample* buf1; Sample* buf2; - framecnt_t len1, len2; + samplecnt_t len1, len2; chan->buf->get_write_vector (&vector); - if ((framecnt_t) vector.len[0] > samples_to_read) { + if ((samplecnt_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: .... => writable space ++++ => readable space - ^^^^ => 1 x disk_read_chunk_frames that would be filled + ^^^^ => 1 x disk_read_chunk_samples that would be filled |......|+++++++++++++|...............................| buf1 buf0 @@ -1031,7 +1069,7 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t } ts = total_space; - file_frame_tmp = file_frame; + file_sample_tmp = ffa; buf1 = vector.buf[0]; len1 = vector.len[0]; @@ -1039,17 +1077,16 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t len2 = vector.len[1]; to_read = min (ts, len1); - to_read = min (to_read, (framecnt_t) samples_to_read); + to_read = min (to_read, (samplecnt_t) samples_to_read); assert (to_read >= 0); if (to_read) { - if (audio_read (buf1, mixdown_buffer, gain_buffer, file_frame_tmp, to_read, chan_n, reversed)) { + if (audio_read (buf1, mixdown_buffer, gain_buffer, file_sample_tmp, to_read, chan_n, reversed)) { ret = -1; goto out; } - chan->buf->increment_write_ptr (to_read); ts -= to_read; } @@ -1063,7 +1100,7 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t all of vector.len[1] as well. */ - if (audio_read (buf2, mixdown_buffer, gain_buffer, file_frame_tmp, to_read, chan_n, reversed)) { + if (audio_read (buf2, mixdown_buffer, gain_buffer, file_sample_tmp, to_read, chan_n, reversed)) { ret = -1; goto out; } @@ -1078,12 +1115,12 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t } // elapsed = g_get_monotonic_time () - before; - // cerr << "\tbandwidth = " << (byte_size_for_read / 1048576.0) / (elapsed/1000000.0) << "MB/sec\n"; + // cerr << '\t' << name() << ": bandwidth = " << (byte_size_for_read / 1048576.0) / (elapsed/1000000.0) << "MB/sec\n"; - file_frame = file_frame_tmp; - assert (file_frame >= 0); + file_sample[DataType::AUDIO] = file_sample_tmp; + assert (file_sample[DataType::AUDIO] >= 0); - ret = ((total_space - samples_to_read) > _chunk_frames); + ret = ((total_space - samples_to_read) > _chunk_samples); c->front()->buf->get_write_vector (&vector); @@ -1092,7 +1129,7 @@ DiskReader::refill_audio (Sample* mixdown_buffer, float* gain_buffer, framecnt_t } void -DiskReader::playlist_ranges_moved (list< Evoral::RangeMove > const & movements_frames, bool from_undo) +DiskReader::playlist_ranges_moved (list< Evoral::RangeMove > const & movements_samples, bool from_undo) { /* If we're coming from an undo, it will have handled automation undo (it must, since automation-follows-regions @@ -1109,8 +1146,8 @@ DiskReader::playlist_ranges_moved (list< Evoral::RangeMove > const & list< Evoral::RangeMove > movements; - for (list< Evoral::RangeMove >::const_iterator i = movements_frames.begin(); - i != movements_frames.end(); + for (list< Evoral::RangeMove >::const_iterator i = movements_samples.begin(); + i != movements_samples.end(); ++i) { movements.push_back(Evoral::RangeMove(i->from, i->length, i->to)); @@ -1137,11 +1174,11 @@ DiskReader::playlist_ranges_moved (list< Evoral::RangeMove > const & } } /* move processor automation */ - _route->foreach_processor (boost::bind (&DiskReader::move_processor_automation, this, _1, movements_frames)); + _route->foreach_processor (boost::bind (&DiskReader::move_processor_automation, this, _1, movements_samples)); } void -DiskReader::move_processor_automation (boost::weak_ptr p, list< Evoral::RangeMove > const & movements_frames) +DiskReader::move_processor_automation (boost::weak_ptr p, list< Evoral::RangeMove > const & movements_samples) { boost::shared_ptr processor (p.lock ()); if (!processor) { @@ -1149,7 +1186,7 @@ DiskReader::move_processor_automation (boost::weak_ptr p, list< Evora } list< Evoral::RangeMove > movements; - for (list< Evoral::RangeMove >::const_iterator i = movements_frames.begin(); i != movements_frames.end(); ++i) { + for (list< Evoral::RangeMove >::const_iterator i = movements_samples.begin(); i != movements_samples.end(); ++i) { movements.push_back(Evoral::RangeMove(i->from, i->length, i->to)); } @@ -1195,7 +1232,7 @@ DiskReader::reset_tracker () } void -DiskReader::resolve_tracker (Evoral::EventSink& buffer, framepos_t time) +DiskReader::resolve_tracker (Evoral::EventSink& buffer, samplepos_t time) { _midi_buf->resolve_tracker(buffer, time); @@ -1210,7 +1247,7 @@ DiskReader::resolve_tracker (Evoral::EventSink& buffer, framepos_t t * so that an event at playback_sample has time = 0 */ void -DiskReader::get_midi_playback (MidiBuffer& dst, framecnt_t nframes, MonitorState ms, BufferSet& scratch_bufs, double speed, framecnt_t playback_distance) +DiskReader::get_midi_playback (MidiBuffer& dst, samplecnt_t nframes, MonitorState ms, BufferSet& scratch_bufs, double speed, samplecnt_t disk_samples_to_consume) { MidiBuffer* target; @@ -1238,9 +1275,9 @@ DiskReader::get_midi_playback (MidiBuffer& dst, framecnt_t nframes, MonitorState size_t events_read = 0; if (loc) { - framepos_t effective_start; + samplepos_t effective_start; - Evoral::Range loop_range (loc->start(), loc->end() - 1); + Evoral::Range loop_range (loc->start(), loc->end() - 1); effective_start = loop_range.squish (playback_sample); DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("looped, effective start adjusted to %1\n", effective_start)); @@ -1262,7 +1299,7 @@ DiskReader::get_midi_playback (MidiBuffer& dst, framecnt_t nframes, MonitorState for the 2nd read */ - framecnt_t first, second; + samplecnt_t first, second; first = loc->end() - effective_start; second = nframes - first; @@ -1303,14 +1340,14 @@ DiskReader::get_midi_playback (MidiBuffer& dst, framecnt_t nframes, MonitorState _midi_buf->get_read_ptr(), _midi_buf->get_write_ptr())); } - g_atomic_int_add (&_frames_read_from_ringbuffer, nframes); + g_atomic_int_add (&_samples_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; + *tme = (*tme) * nframes / disk_samples_to_consume; } } @@ -1323,23 +1360,23 @@ DiskReader::get_midi_playback (MidiBuffer& dst, framecnt_t nframes, MonitorState //cerr << "----------------\n"; } -/** @a start is set to the new frame position (TIME) read up to */ +/** @a start is set to the new sample position (TIME) read up to */ int -DiskReader::midi_read (framepos_t& start, framecnt_t dur, bool reversed) +DiskReader::midi_read (samplepos_t& start, samplecnt_t dur, bool reversed) { - framecnt_t this_read = 0; - framepos_t loop_end = 0; - framepos_t loop_start = 0; - framecnt_t loop_length = 0; + samplecnt_t this_read = 0; + samplepos_t loop_end = 0; + samplepos_t loop_start = 0; + samplecnt_t loop_length = 0; Location* loc = loop_location; - framepos_t effective_start = start; - Evoral::Range* loop_range (0); + samplepos_t effective_start = start; + Evoral::Range* loop_range (0); -// MidiTrack* mt = dynamic_cast(_track); -// MidiChannelFilter* filter = mt ? &mt->playback_filter() : 0; - MidiChannelFilter* filter = 0; + DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("MDS::midi_read @ %1 cnt %2\n", start, dur)); - frameoffset_t loop_offset = 0; + boost::shared_ptr mt = boost::dynamic_pointer_cast(_route); + MidiChannelFilter* filter = mt ? &mt->playback_filter() : 0; + sampleoffset_t loop_offset = 0; if (!reversed && loc) { get_location_times (loc, &loop_start, &loop_end, &loop_length); @@ -1352,10 +1389,10 @@ DiskReader::midi_read (framepos_t& start, framecnt_t dur, bool reversed) if (loc && !reversed) { if (!loop_range) { - loop_range = new Evoral::Range (loop_start, loop_end-1); // inclusive semantics require -1 + loop_range = new Evoral::Range (loop_start, loop_end-1); // inclusive semantics require -1 } - /* if we are (seamlessly) looping, ensure that the first frame we read is at the correct + /* if we are (seamlessly) looping, ensure that the first sample we read is at the correct position within the loop. */ @@ -1384,12 +1421,12 @@ DiskReader::midi_read (framepos_t& start, framecnt_t dur, bool reversed) if (midi_playlist()->read (*_midi_buf, effective_start, this_read, loop_range, 0, filter) != this_read) { error << string_compose( - _("MidiDiskstream %1: cannot read %2 from playlist at frame %3"), + _("MidiDiskstream %1: cannot read %2 from playlist at sample %3"), id(), this_read, start) << endmsg; return -1; } - g_atomic_int_add (&_frames_written_to_ringbuffer, this_read); + g_atomic_int_add (&_samples_written_to_ringbuffer, this_read); if (reversed) { @@ -1412,7 +1449,6 @@ DiskReader::midi_read (framepos_t& start, framecnt_t dur, bool reversed) } dur -= this_read; - //offset += this_read; } return 0; @@ -1425,10 +1461,10 @@ DiskReader::refill_midi () return 0; } - size_t write_space = _midi_buf->write_space(); + const size_t write_space = _midi_buf->write_space(); const bool reversed = _session.transport_speed() < 0.0f; - DEBUG_TRACE (DEBUG::DiskIO, string_compose ("MIDI refill, write space = %1 file frame = %2\n", write_space, file_frame)); + DEBUG_TRACE (DEBUG::DiskIO, string_compose ("MIDI refill, write space = %1 file sample = %2\n", write_space, file_sample[DataType::MIDI])); /* no space to write */ if (write_space == 0) { @@ -1441,26 +1477,43 @@ DiskReader::refill_midi () /* at end: nothing to do */ - if (file_frame == max_framepos) { + samplepos_t ffm = file_sample[DataType::MIDI]; + + if (ffm == max_samplepos) { return 0; } int ret = 0; - const uint32_t frames_read = g_atomic_int_get (&_frames_read_from_ringbuffer); - const uint32_t frames_written = g_atomic_int_get (&_frames_written_to_ringbuffer); + const uint32_t samples_read = g_atomic_int_get (&_samples_read_from_ringbuffer); + const uint32_t samples_written = g_atomic_int_get (&_samples_written_to_ringbuffer); - if ((frames_read < frames_written) && (frames_written - frames_read) >= midi_readahead) { + if ((samples_read < samples_written) && (samples_written - samples_read) >= midi_readahead) { return 0; } - framecnt_t to_read = midi_readahead - ((framecnt_t)frames_written - (framecnt_t)frames_read); + samplecnt_t to_read = midi_readahead - ((samplecnt_t)samples_written - (samplecnt_t)samples_read); - to_read = min (to_read, (framecnt_t) (max_framepos - file_frame)); - to_read = min (to_read, (framecnt_t) write_space); + to_read = min (to_read, (samplecnt_t) (max_samplepos - ffm)); + to_read = min (to_read, (samplecnt_t) write_space); - if (midi_read (file_frame, to_read, reversed)) { + if (midi_read (ffm, to_read, reversed)) { ret = -1; } + file_sample[DataType::MIDI] = ffm; + return ret; } + +void +DiskReader::set_no_disk_output (bool yn) +{ + /* this MUST be called as part of the process call tree, before any + disk readers are invoked. We use it when the session needs the + transport (and thus effective read position for DiskReaders) to keep + advancing as part of syncing up with a transport master, but we + don't want any actual disk output yet because we are still not + synced. + */ + _no_disk_output = yn; +}