expose more info from plugin-strip (for GUI display)
[ardour.git] / libs / ardour / audio_diskstream.cc
index 8470b98e663e942336a27ba5ced343104e90d813..f2e4245823fdde8746fd86593e1df74cd06ce1a1 100644 (file)
@@ -16,7 +16,6 @@
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
-#include <fstream>
 #include <cstdio>
 #include <unistd.h>
 #include <cmath>
@@ -28,6 +27,7 @@
 #include <cstdlib>
 #include <ctime>
 
+#include "pbd/gstdio_compat.h"
 #include "pbd/error.h"
 #include "pbd/xml++.h"
 #include "pbd/memento_command.h"
@@ -168,7 +168,7 @@ AudioDiskstream::non_realtime_input_change ()
                        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();
 
@@ -213,9 +213,9 @@ AudioDiskstream::non_realtime_locate (framepos_t location)
        /* 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);
        }
 }
 
@@ -523,7 +523,7 @@ AudioDiskstream::process (BufferSet& bufs, framepos_t transport_frame, pframes_t
 
                                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];
@@ -599,14 +599,14 @@ AudioDiskstream::process (BufferSet& bufs, framepos_t transport_frame, pframes_t
        }
 
        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;
@@ -655,7 +655,7 @@ AudioDiskstream::process (BufferSet& bufs, framepos_t transport_frame, pframes_t
                                        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],
@@ -674,13 +674,13 @@ AudioDiskstream::process (BufferSet& bufs, framepos_t transport_frame, pframes_t
                        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;
                }
@@ -691,20 +691,20 @@ AudioDiskstream::process (BufferSet& bufs, framepos_t transport_frame, pframes_t
        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);
@@ -724,7 +724,7 @@ AudioDiskstream::process (BufferSet& bufs, framepos_t transport_frame, pframes_t
                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 */
        }
 
@@ -787,6 +787,7 @@ AudioDiskstream::commit (framecnt_t playback_distance)
 
        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;
        }
 
@@ -962,7 +963,7 @@ AudioDiskstream::internal_playback_seek (framecnt_t distance)
        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) {
@@ -1079,8 +1080,14 @@ AudioDiskstream::read (Sample* buf, Sample* mixdown_buffer, float* gain_buffer,
 int
 AudioDiskstream::_do_refill_with_alloc (bool partial_fill)
 {
-       Sample* mix_buf  = new Sample[1048576];
-       float*  gain_buf = new float[1048576];
+       /* 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).
+       */
+
+       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));
 
@@ -1116,11 +1123,11 @@ AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer, framecn
        /* 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;
        }
@@ -1142,10 +1149,6 @@ AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer, framecn
 
        if (fill_level) {
                if (fill_level < total_space) {
-                       cerr << name() << " adjust total space of " << total_space << " to leave " << fill_level << " to still refill\n";
-                       if (fill_level < 0) {
-                               PBD::stacktrace (cerr, 20);
-                       }
                        total_space -= fill_level;
                } else {
                        /* we can't do anything with it */
@@ -1245,7 +1248,7 @@ AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer, framecn
 
        /* total_space is in samples. We want to optimize read sizes in various sizes using bytes */
 
-       const size_t bits_per_sample = sndfile_data_width (_session.config.get_native_file_data_format());
+       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
@@ -1259,14 +1262,14 @@ AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer, framecn
        /* 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";
+       // 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;
 
-       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);
@@ -1346,16 +1349,16 @@ AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer, framecn
 
        }
 
-       elapsed = g_get_monotonic_time () - before;
-       cerr << "\tbandwidth = " << (byte_size_for_read / 1048576.0) / (elapsed/1000000.0) << "MB/sec\n";
-               
+       // 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);
 
        ret = ((total_space - samples_to_read) > disk_read_chunk_frames);
-       
+
        c->front()->playback_buf->get_write_vector (&vector);
-       
+
   out:
        return ret;
 }
@@ -1466,7 +1469,7 @@ AudioDiskstream::do_flush (RunContext /*context*/, bool force_flush)
                        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;
 
@@ -1577,6 +1580,8 @@ AudioDiskstream::transport_stopped_wallclock (struct tm& when, time_t twhen, boo
                        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)));
                }
        }
 
@@ -1624,7 +1629,7 @@ AudioDiskstream::transport_stopped_wallclock (struct tm& when, time_t twhen, boo
                }
 
                _last_capture_sources.insert (_last_capture_sources.end(), srcs.begin(), srcs.end());
-               
+
                _playlist->clear_changes ();
                _playlist->set_capture_insertion_in_progress (true);
                _playlist->freeze ();
@@ -1635,8 +1640,8 @@ AudioDiskstream::transport_stopped_wallclock (struct tm& when, time_t twhen, boo
 
                        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 {
 
@@ -1691,18 +1696,6 @@ AudioDiskstream::transport_looped (framepos_t transport_frame)
                // 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
@@ -1780,7 +1773,7 @@ AudioDiskstream::finish_capture (boost::shared_ptr<ChannelList> c)
        */
 
        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;
 
@@ -1822,25 +1815,25 @@ AudioDiskstream::set_record_safe (bool yn)
        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 */
        }
 }
@@ -2125,7 +2118,7 @@ AudioDiskstream::allocate_temporary_buffers ()
           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) {
@@ -2291,8 +2284,8 @@ AudioDiskstream::use_pending_capture_data (XMLNode& node)
                        }
 
                        // 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;
                        }
 
@@ -2340,11 +2333,11 @@ AudioDiskstream::use_pending_capture_data (XMLNode& node)
 
                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));
@@ -2359,7 +2352,7 @@ AudioDiskstream::use_pending_capture_data (XMLNode& node)
                 * the playlist */
 
                region = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (pending_sources, plist));
-               
+
                _playlist->add_region (region, position);
        }
 
@@ -2420,7 +2413,7 @@ AudioDiskstream::can_become_destructive (bool& requires_bounce) const
        if (Profile->get_trx()) {
                return false;
        }
-       
+
        if (!_playlist) {
                requires_bounce = false;
                return false;
@@ -2581,7 +2574,7 @@ AudioDiskstream::ChannelInfo::~ChannelInfo ()
                           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