another unusued parameter fix
[ardour.git] / libs / ardour / audio_diskstream.cc
index 4588522ab426d0fc0131517e9337d01a7f47e206..dc9f427e87bea04d5f13c081ac657214a5ba4619 100644 (file)
 #include "pbd/stateful_diff_command.h"
 
 #include "ardour/analyser.h"
-#include "ardour/ardour.h"
 #include "ardour/audio_buffer.h"
 #include "ardour/audio_diskstream.h"
 #include "ardour/audio_port.h"
 #include "ardour/audioengine.h"
 #include "ardour/audiofilesource.h"
-
 #include "ardour/audioplaylist.h"
 #include "ardour/audioregion.h"
 #include "ardour/butler.h"
-#include "ardour/configuration.h"
-#include "ardour/cycle_timer.h"
 #include "ardour/debug.h"
 #include "ardour/io.h"
 #include "ardour/playlist_factory.h"
 #include "ardour/region_factory.h"
-#include "ardour/send.h"
 #include "ardour/session.h"
+#include "ardour/session_playlists.h"
 #include "ardour/source_factory.h"
 #include "ardour/track.h"
+#include "ardour/types.h"
 #include "ardour/utils.h"
-#include "ardour/session_playlists.h"
-#include "ardour/route.h"
 
 #include "i18n.h"
 #include <locale.h>
@@ -156,7 +151,7 @@ void
 AudioDiskstream::non_realtime_input_change ()
 {
        {
-               Glib::Mutex::Lock lm (state_lock);
+               Glib::Threads::Mutex::Lock lm (state_lock);
 
                if (input_change_pending.type == IOChange::NoChange) {
                        return;
@@ -281,7 +276,6 @@ AudioDiskstream::use_new_playlist ()
 
        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 {
@@ -309,7 +303,6 @@ AudioDiskstream::use_copy_playlist ()
        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;
@@ -415,12 +408,11 @@ AudioDiskstream::prepare_record_status(framepos_t capture_start_frame)
  *      that someone can read playback_distance worth of data from.
  */
 int
-AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, 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;
@@ -438,7 +430,7 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& n
                return 0;
        }
 
-       Glib::Mutex::Lock sm (state_lock, Glib::TRY_LOCK);
+       Glib::Threads::Mutex::Lock sm (state_lock, Glib::Threads::TRY_LOCK);
 
        if (!sm.locked()) {
                return 1;
@@ -460,7 +452,7 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& n
 
        if (record_enabled()) {
 
-               OverlapType ot = coverage (first_recordable_frame, last_recordable_frame, transport_frame, transport_frame + nframes);
+               Evoral::OverlapType ot = Evoral::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) {
@@ -511,7 +503,7 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& n
 
                                if (rec_nframes > total) {
                                        DiskOverrun ();
-                                       goto out;
+                                       return -1;
                                }
 
                                boost::shared_ptr<AudioPort> const ap = _io->audio (n);
@@ -586,7 +578,7 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& n
                /* no varispeed playback if we're recording, because the output .... TBD */
 
                if (rec_nframes == 0 && _actual_speed != 1.0f) {
-                       necessary_samples = (framecnt_t) floor ((nframes * fabs (_actual_speed))) + 1;
+                       necessary_samples = (framecnt_t) ceil ((nframes * fabs (_actual_speed))) + 2;
                } else {
                        necessary_samples = nframes;
                }
@@ -617,7 +609,7 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& n
                                        cerr << _name << " Need " << necessary_samples << " total = " << total << endl;
                                        cerr << "underrun for " << _name << endl;
                                        DiskUnderrun ();
-                                       goto out;
+                                       return -1;
 
                                } else {
 
@@ -626,6 +618,8 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& n
                                           as our current_playback_buffer.
                                        */
 
+                                       assert(wrap_buffer_size >= necessary_samples);
+
                                        /* Copy buf[0] from playback_buf */
                                        memcpy ((char *) chaninfo->playback_wrap_buffer,
                                                        chaninfo->playback_vector.buf[0],
@@ -643,7 +637,19 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& n
                }
 
                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;
                }
@@ -651,36 +657,15 @@ AudioDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool& n
                _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;
 
@@ -829,7 +814,7 @@ AudioDiskstream::seek (framepos_t frame, bool complete_refill)
        ChannelList::iterator chan;
        boost::shared_ptr<ChannelList> c = channels.reader();
 
-       Glib::Mutex::Lock lm (state_lock);
+       Glib::Threads::Mutex::Lock lm (state_lock);
 
        for (n = 0, chan = c->begin(); chan != c->end(); ++chan, ++n) {
                (*chan)->playback_buf->reset ();
@@ -1396,7 +1381,7 @@ AudioDiskstream::transport_stopped_wallclock (struct tm& when, time_t twhen, boo
        }
 
        /* XXX is there anything we can do if err != 0 ? */
-       Glib::Mutex::Lock lm (capture_info_lock);
+       Glib::Threads::Mutex::Lock lm (capture_info_lock);
 
        if (capture_info.empty()) {
                return;
@@ -1493,6 +1478,7 @@ AudioDiskstream::transport_stopped_wallclock (struct tm& when, time_t twhen, boo
                // cerr << _name << ": there are " << capture_info.size() << " capture_info records\n";
 
                _playlist->clear_changes ();
+               _playlist->set_capture_insertion_in_progress (true);
                _playlist->freeze ();
 
                for (buffer_position = c->front()->write_source->last_capture_start_frame(), ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
@@ -1523,21 +1509,15 @@ AudioDiskstream::transport_stopped_wallclock (struct tm& when, time_t twhen, boo
 
                        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);
-                       }
-
                        _playlist->add_region (region, (*ci)->start, 1, non_layered());
+                       _playlist->set_layer (region, DBL_MAX);
                        i_am_the_modifier--;
 
                        buffer_position += (*ci)->frames;
                }
 
                _playlist->thaw ();
+               _playlist->set_capture_insertion_in_progress (false);
                _session.add_command (new StatefulDiffCommand (_playlist));
        }
 
@@ -1683,22 +1663,33 @@ AudioDiskstream::set_record_enabled (bool yn)
                } else {
                        disengage_record_enable ();
                }
+
+               RecordEnableChanged (); /* EMIT SIGNAL */
        }
 }
 
-void
-AudioDiskstream::engage_record_enable ()
+bool
+AudioDiskstream::prep_record_enable ()
 {
+       if (!recordable() || !_session.record_enabling_legal() || _io->n_ports().n_audio() == 0) {
+               return false;
+       }
+
+       /* can't rec-enable in destructive mode if transport is before start */
+
+       if (destructive() && _session.transport_frame() < _session.current_start_frame()) {
+               return false;
+       }
+
        bool rolling = _session.transport_speed() != 0.0f;
        boost::shared_ptr<ChannelList> c = channels.reader();
 
-       g_atomic_int_set (&_record_enabled, 1);
        capturing_sources.clear ();
 
        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 ();
                }
@@ -1710,21 +1701,21 @@ AudioDiskstream::engage_record_enable ()
                }
        }
 
-       RecordEnableChanged (); /* EMIT SIGNAL */
+       return true;
 }
 
-void
-AudioDiskstream::disengage_record_enable ()
+bool
+AudioDiskstream::prep_record_disable ()
 {
-       g_atomic_int_set (&_record_enabled, 0);
        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 ();
-       RecordEnableChanged (); /* EMIT SIGNAL */
+
+       return true;
 }
 
 XMLNode&
@@ -1963,7 +1954,7 @@ AudioDiskstream::allocate_temporary_buffers ()
        */
 
        double const sp = max (fabsf (_actual_speed), 1.2f);
-       framecnt_t required_wrap_size = (framecnt_t) floor (_session.get_block_size() * sp) + 1;
+       framecnt_t required_wrap_size = (framecnt_t) ceil (_session.get_block_size() * sp) + 2;
 
        if (required_wrap_size > wrap_buffer_size) {
 
@@ -1985,12 +1976,12 @@ AudioDiskstream::allocate_temporary_buffers ()
 }
 
 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);
        }
 }
 
@@ -2313,13 +2304,13 @@ AudioDiskstream::ChannelSource::is_physical () const
 }
 
 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)