fix missing colon in extension of LXVST search path
[ardour.git] / libs / ardour / diskstream.cc
index affda7b56af41aad06e21ccbcb25a6ef04562ede..a359f228e8d68c7818d46141578cfb696e2bd8a9 100644 (file)
 #include <sys/stat.h>
 #include <sys/mman.h>
 
-
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
 
 #include "pbd/error.h"
 #include "pbd/basename.h"
 #include "pbd/memento_command.h"
 #include "pbd/xml++.h"
+#include "pbd/stacktrace.h"
 
-#include "ardour/ardour.h"
-#include "ardour/audioengine.h"
 #include "ardour/debug.h"
 #include "ardour/diskstream.h"
-#include "ardour/utils.h"
-#include "ardour/configuration.h"
-#include "ardour/audiofilesource.h"
-#include "ardour/send.h"
+#include "ardour/io.h"
 #include "ardour/pannable.h"
-#include "ardour/panner_shell.h"
 #include "ardour/playlist.h"
-#include "ardour/cycle_timer.h"
-#include "ardour/region.h"
-#include "ardour/panner.h"
 #include "ardour/session.h"
-#include "ardour/io.h"
 #include "ardour/track.h"
 
 #include "i18n.h"
@@ -69,7 +59,7 @@ using namespace PBD;
  * default from configuration_vars.h).  0 is not a good value for
  * allocating buffer sizes..
  */
-ARDOUR::framecnt_t Diskstream::disk_io_chunk_frames = 1024 * 256;
+ARDOUR::framecnt_t Diskstream::disk_io_chunk_frames = 1024 * 256 / sizeof (Sample);
 
 PBD::Signal0<void>                Diskstream::DiskOverrun;
 PBD::Signal0<void>                Diskstream::DiskUnderrun;
@@ -83,7 +73,6 @@ Diskstream::Diskstream (Session &sess, const string &name, Flag flag)
         , _actual_speed (1.0f)
         , _buffer_reallocation_required (false)
         , _seek_required (false)
-        , force_refill (false)
         , capture_start_frame (0)
         , capture_captured (0)
         , was_recording (false)
@@ -95,7 +84,6 @@ Diskstream::Diskstream (Session &sess, const string &name, Flag flag)
         , last_possibly_recording (0)
         , _alignment_style (ExistingMaterial)
         , _alignment_choice (Automatic)
-        , _scrubbing (false)
         , _slaved (false)
         , loop_location (0)
         , overwrite_frame (0)
@@ -108,9 +96,6 @@ Diskstream::Diskstream (Session &sess, const string &name, Flag flag)
         , _target_speed (_speed)
         , file_frame (0)
         , playback_sample (0)
-        , playback_distance (0)
-        , _read_data_count (0)
-        , _write_data_count (0)
         , in_set_state (false)
         , _flags (flag)
         , deprecated_io_node (0)
@@ -126,7 +111,6 @@ Diskstream::Diskstream (Session& sess, const XMLNode& /*node*/)
         , _actual_speed (1.0f)
         , _buffer_reallocation_required (false)
         , _seek_required (false)
-        , force_refill (false)
         , capture_start_frame (0)
         , capture_captured (0)
         , was_recording (false)
@@ -138,7 +122,6 @@ Diskstream::Diskstream (Session& sess, const XMLNode& /*node*/)
         , last_possibly_recording (0)
         , _alignment_style (ExistingMaterial)
         , _alignment_choice (Automatic)
-        , _scrubbing (false)
         , _slaved (false)
         , loop_location (0)
         , overwrite_frame (0)
@@ -151,9 +134,6 @@ Diskstream::Diskstream (Session& sess, const XMLNode& /*node*/)
         , _target_speed (_speed)
         , file_frame (0)
         , playback_sample (0)
-        , playback_distance (0)
-        , _read_data_count (0)
-        , _write_data_count (0)
         , in_set_state (false)
         , _flags (Recordable)
         , deprecated_io_node (0)
@@ -180,8 +160,10 @@ Diskstream::set_track (Track* t)
        ic_connection.disconnect();
        _io->changed.connect_same_thread (ic_connection, boost::bind (&Diskstream::handle_input_change, this, _1, _2));
 
-       input_change_pending.type = IOChange::Type (IOChange::ConfigurationChanged|IOChange::ConnectionsChanged);
-       non_realtime_input_change ();
+        if (_io->n_ports() != ChanCount::ZERO) {
+                input_change_pending.type = IOChange::Type (IOChange::ConfigurationChanged|IOChange::ConnectionsChanged);
+                non_realtime_input_change ();
+        }
 
        _track->Destroyed.connect_same_thread (*this, boost::bind (&Diskstream::route_going_away, this));
 }
@@ -189,7 +171,7 @@ Diskstream::set_track (Track* t)
 void
 Diskstream::handle_input_change (IOChange change, void * /*src*/)
 {
-       Glib::Mutex::Lock lm (state_lock);
+       Glib::Threads::Mutex::Lock lm (state_lock);
 
         if (change.type & (IOChange::ConfigurationChanged|IOChange::ConnectionsChanged)) {
 
@@ -211,7 +193,7 @@ Diskstream::non_realtime_set_speed ()
 {
        if (_buffer_reallocation_required)
        {
-               Glib::Mutex::Lock lm (state_lock);
+               Glib::Threads::Mutex::Lock lm (state_lock);
                allocate_temporary_buffers ();
 
                _buffer_reallocation_required = false;
@@ -242,8 +224,8 @@ Diskstream::realtime_set_speed (double sp, bool global)
 
        if (new_speed != _actual_speed) {
 
-               framecnt_t required_wrap_size = (framecnt_t) floor (_session.get_block_size() *
-                                                                  fabs (new_speed)) + 1;
+               framecnt_t required_wrap_size = (framecnt_t) ceil (_session.get_block_size() *
+                                                                  fabs (new_speed)) + 2;
 
                if (required_wrap_size > wrap_buffer_size) {
                        _buffer_reallocation_required = true;
@@ -277,26 +259,26 @@ Diskstream::set_capture_offset ()
 
 
 void
-Diskstream::set_align_style (AlignStyle a)
+Diskstream::set_align_style (AlignStyle a, bool force)
 {
        if (record_enabled() && _session.actively_recording()) {
                return;
        }
 
-       if (a != _alignment_style) {
+       if ((a != _alignment_style) || force) {
                _alignment_style = a;
                AlignmentStyleChanged ();
        }
 }
 
 void
-Diskstream::set_align_choice (AlignChoice a)
+Diskstream::set_align_choice (AlignChoice a, bool force)
 {
        if (record_enabled() && _session.actively_recording()) {
                return;
        }
 
-       if (a != _alignment_choice) {
+       if ((a != _alignment_choice) || force) {
                _alignment_choice = a;
 
                 switch (_alignment_choice) {
@@ -333,7 +315,7 @@ Diskstream::set_loop (Location *location)
 ARDOUR::framepos_t
 Diskstream::get_capture_start_frame (uint32_t n) const
 {
-       Glib::Mutex::Lock lm (capture_info_lock);
+       Glib::Threads::Mutex::Lock lm (capture_info_lock);
 
        if (capture_info.size() > n) {
                /* this is a completed capture */
@@ -347,12 +329,12 @@ Diskstream::get_capture_start_frame (uint32_t n) const
 ARDOUR::framecnt_t
 Diskstream::get_captured_frames (uint32_t n) const
 {
-       Glib::Mutex::Lock lm (capture_info_lock);
+       Glib::Threads::Mutex::Lock lm (capture_info_lock);
 
        if (capture_info.size() > n) {
                /* this is a completed capture */
                return capture_info[n]->frames;
-       } else {  
+       } else {
                /* this is the currently in-progress capture */
                return capture_captured;
        }
@@ -374,7 +356,7 @@ Diskstream::use_playlist (boost::shared_ptr<Playlist> playlist)
         bool prior_playlist = false;
 
        {
-               Glib::Mutex::Lock lm (state_lock);
+               Glib::Threads::Mutex::Lock lm (state_lock);
 
                if (playlist == _playlist) {
                        return 0;
@@ -454,18 +436,9 @@ Diskstream::set_name (const string& str)
        if (_name != str) {
                assert(playlist());
                playlist()->set_name (str);
-
                SessionObject::set_name(str);
-
-               if (!in_set_state && recordable()) {
-                       /* rename existing capture files so that they have the correct name */
-                       return rename_write_sources ();
-               } else {
-                       return false;
-               }
        }
-
-       return true;
+        return true;
 }
 
 XMLNode&
@@ -487,7 +460,7 @@ Diskstream::get_state ()
        if (_extra_xml) {
                node->add_child_copy (*_extra_xml);
        }
-        
+
         return *node;
 }
 
@@ -501,13 +474,9 @@ Diskstream::set_state (const XMLNode& node, int /*version*/)
        }
 
        if (deprecated_io_node) {
-               if ((prop = deprecated_io_node->property ("id")) != 0) {
-                       _id = prop->value ();
-               }
+               set_id (*deprecated_io_node);
        } else {
-               if ((prop = node.property ("id")) != 0) {
-                       _id = prop->value ();
-               }
+               set_id (node);
        }
 
        if ((prop = node.property ("flags")) != 0) {
@@ -515,25 +484,17 @@ Diskstream::set_state (const XMLNode& node, int /*version*/)
        }
 
         if ((prop = node.property (X_("capture-alignment"))) != 0) {
-                _alignment_choice = AlignChoice (string_2_enum (prop->value(), _alignment_choice));
+                set_align_choice (AlignChoice (string_2_enum (prop->value(), _alignment_choice)), true);
         } else {
-                _alignment_choice = Automatic;
+                set_align_choice (Automatic, true);
         }
 
        if ((prop = node.property ("playlist")) == 0) {
                return -1;
        }
 
-       {
-               bool had_playlist = (_playlist != 0);
-
-               if (find_and_use_playlist (prop->value())) {
-                       return -1;
-               }
-
-               if (!had_playlist) {
-                       _playlist->set_orig_diskstream_id (id());
-               }
+       if (find_and_use_playlist (prop->value())) {
+               return -1;
        }
 
        if ((prop = node.property ("speed")) != 0) {
@@ -554,11 +515,11 @@ Diskstream::playlist_ranges_moved (list< Evoral::RangeMove<framepos_t> > const &
           automation undo (it must, since automation-follows-regions
           can lose automation data).  Hence we can do nothing here.
        */
-       
+
        if (from_undo) {
                return;
        }
-       
+
        if (!_track || Config->get_automation_follows_regions () == false) {
                return;
        }
@@ -575,14 +536,14 @@ Diskstream::playlist_ranges_moved (list< Evoral::RangeMove<framepos_t> > const &
        /* move panner automation */
        boost::shared_ptr<Pannable> pannable = _track->pannable();
         Evoral::ControlSet::Controls& c (pannable->controls());
-        
+
         for (Evoral::ControlSet::Controls::iterator ci = c.begin(); ci != c.end(); ++ci) {
                 boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl>(ci->second);
                 if (!ac) {
                         continue;
                 }
                 boost::shared_ptr<AutomationList> alist = ac->alist();
-                
+
                 XMLNode & before = alist->get_state ();
                 bool const things_moved = alist->move_ranges (movements);
                 if (things_moved) {
@@ -655,36 +616,27 @@ Diskstream::check_record_status (framepos_t transport_frame, bool can_record)
                         return;
                 }
 
-                /* we transitioned to recording. lets see if its transport based or a punch */
-                
-               first_recordable_frame = transport_frame + _capture_offset;
-               last_recordable_frame = max_framepos;
                capture_start_frame = _session.transport_frame();
+               first_recordable_frame = capture_start_frame + _capture_offset;
+               last_recordable_frame = max_framepos;
 
-                /* in theory, we should be offsetting by _session.worst_playback_latency() when we adjust
-                   for ExistingMaterial alignment. But that number includes the worst processor latency
-                   across all routes, and each track will already be roll-delay adjusted to handle that.
-                   so don't use worst_playback_latency(), just worst_output_latency() which covers
-                   only downstream latency from IO ports.
-                */
-
-                DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("%1: @ %7 basic FRF = %2 CSF = %4 CO = %5, EMO = %6 RD = %8\n",
+                DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("%1: @ %7 (%9) FRF = %2 CSF = %4 CO = %5, EMO = %6 RD = %8 WOL %10 WTL %11\n",
                                                                       name(), first_recordable_frame, last_recordable_frame, capture_start_frame,
                                                                       _capture_offset,
                                                                       existing_material_offset,
-                                                                      transport_frame, 
-                                                                      _roll_delay));
+                                                                      transport_frame,
+                                                                      _roll_delay,
+                                                                      _session.transport_frame(),
+                                                                      _session.worst_output_latency(),
+                                                                      _session.worst_track_latency()));
+
 
                 if (_alignment_style == ExistingMaterial) {
                         first_recordable_frame += existing_material_offset;
                         DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("\tshift FRF by EMO %1\n",
                                                                               first_recordable_frame));
-                } else {
-                        capture_start_frame += _roll_delay;
-                        DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("\tshift CFS by roll delay of %1 to %2\n",
-                                                                              _roll_delay, capture_start_frame));
                 }
-                
+
                 prepare_record_status (capture_start_frame);
 
         } else {
@@ -692,23 +644,21 @@ Diskstream::check_record_status (framepos_t transport_frame, bool can_record)
                 if (last_possibly_recording == fully_rec_enabled) {
 
                         /* we were recording last time */
-                        
+
                         if (change & transport_rolling) {
 
                                 /* transport-change (stopped rolling): last_recordable_frame was set in ::prepare_to_stop(). We
                                    had to set it there because we likely rolled past the stopping point to declick out,
                                    and then backed up.
                                  */
-                                
+
                         } else {
                                 /* punch out */
-                                
-                                last_recordable_frame = transport_frame + _capture_offset;
-                                
+
+                                last_recordable_frame = _session.transport_frame() + _capture_offset;
+
                                 if (_alignment_style == ExistingMaterial) {
                                         last_recordable_frame += existing_material_offset;
-                                } else {
-                                        last_recordable_frame += _roll_delay;
                                 }
                         }
                 }
@@ -724,15 +674,15 @@ Diskstream::route_going_away ()
 }
 
 void
-Diskstream::calculate_record_range(OverlapType ot, framepos_t transport_frame, framecnt_t nframes,
-                                  framecnt_t & rec_nframes, framecnt_t & rec_offset)
+Diskstream::calculate_record_range (Evoral::OverlapType ot, framepos_t transport_frame, framecnt_t nframes,
+                                   framecnt_t & rec_nframes, framecnt_t & rec_offset)
 {
        switch (ot) {
-       case OverlapNone:
+       case Evoral::OverlapNone:
                rec_nframes = 0;
                break;
 
-       case OverlapInternal:
+       case Evoral::OverlapInternal:
                /*     ----------    recrange
                         |---|       transrange
                */
@@ -740,7 +690,7 @@ Diskstream::calculate_record_range(OverlapType ot, framepos_t transport_frame, f
                rec_offset = 0;
                break;
 
-       case OverlapStart:
+       case Evoral::OverlapStart:
                /*    |--------|    recrange
                -----|          transrange
                */
@@ -750,7 +700,7 @@ Diskstream::calculate_record_range(OverlapType ot, framepos_t transport_frame, f
                }
                break;
 
-       case OverlapEnd:
+       case Evoral::OverlapEnd:
                /*    |--------|    recrange
                         |--------  transrange
                */
@@ -758,7 +708,7 @@ Diskstream::calculate_record_range(OverlapType ot, framepos_t transport_frame, f
                rec_offset = 0;
                break;
 
-       case OverlapExternal:
+       case Evoral::OverlapExternal:
                /*    |--------|    recrange
                    --------------  transrange
                */
@@ -766,6 +716,10 @@ Diskstream::calculate_record_range(OverlapType ot, framepos_t transport_frame, f
                rec_offset = first_recordable_frame - transport_frame;
                break;
        }
+
+        DEBUG_TRACE (DEBUG::CaptureAlignment, string_compose ("%1 rec? %2 @ %3 (for %4) FRF %5 LRF %6 : rf %7 @ %8\n",
+                                                              _name, enum_2_string (ot), transport_frame, nframes,
+                                                              first_recordable_frame, last_recordable_frame, rec_nframes, rec_offset));
 }
 
 void
@@ -773,3 +727,16 @@ Diskstream::prepare_to_stop (framepos_t pos)
 {
         last_recordable_frame = pos + _capture_offset;
 }
+
+void
+Diskstream::engage_record_enable ()
+{
+       g_atomic_int_set (&_record_enabled, 1);
+}
+
+void
+Diskstream::disengage_record_enable ()
+{
+       g_atomic_int_set (&_record_enabled, 0);
+}
+