/*
- Copyright (C) 2000-2003 Paul Davis
+ Copyright (C) 2000-2006 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id: diskstream.cc 567 2006-06-07 14:54:12Z trutkin $
*/
#include <fstream>
#include <unistd.h>
#include <cmath>
#include <cerrno>
+#include <cassert>
#include <string>
#include <climits>
#include <fcntl.h>
#include <pbd/basename.h>
#include <glibmm/thread.h>
#include <pbd/xml++.h>
+#include <pbd/memento_command.h>
#include <ardour/ardour.h>
#include <ardour/audioengine.h>
using namespace ARDOUR;
using namespace PBD;
-jack_nframes_t AudioDiskstream::disk_io_chunk_frames;
-
-sigc::signal<void,AudioDiskstream*> AudioDiskstream::AudioDiskstreamCreated;
-sigc::signal<void,list<AudioFileSource*>*> AudioDiskstream::DeleteSources;
-sigc::signal<void> AudioDiskstream::DiskOverrun;
-sigc::signal<void> AudioDiskstream::DiskUnderrun;
+size_t AudioDiskstream::_working_buffers_size = 0;
+Sample* AudioDiskstream::_mixdown_buffer = 0;
+gain_t* AudioDiskstream::_gain_buffer = 0;
+char* AudioDiskstream::_conversion_buffer = 0;
-AudioDiskstream::AudioDiskstream (Session &sess, const string &name, Flag flag)
- : _name (name),
- _session (sess)
+AudioDiskstream::AudioDiskstream (Session &sess, const string &name, Diskstream::Flag flag)
+ : Diskstream(sess, name, flag)
+ , deprecated_io_node(NULL)
{
/* prevent any write sources from being created */
in_set_state = true;
- init (flag);
+ init(flag);
use_new_playlist ();
in_set_state = false;
- AudioDiskstreamCreated (this); /* EMIT SIGNAL */
+ DiskstreamCreated (this); /* EMIT SIGNAL */
}
AudioDiskstream::AudioDiskstream (Session& sess, const XMLNode& node)
- : _session (sess)
-
+ : Diskstream(sess, node)
+ , deprecated_io_node(NULL)
{
in_set_state = true;
init (Recordable);
use_destructive_playlist ();
}
- AudioDiskstreamCreated (this); /* EMIT SIGNAL */
+ DiskstreamCreated (this); /* EMIT SIGNAL */
}
void
void
-AudioDiskstream::init (Flag f)
+AudioDiskstream::init (Diskstream::Flag f)
{
- _id = new_id();
- _refcnt = 0;
- _flags = f;
- _io = 0;
- _alignment_style = ExistingMaterial;
- _persistent_alignment_style = ExistingMaterial;
- first_input_change = true;
- _playlist = 0;
- i_am_the_modifier = 0;
- g_atomic_int_set (&_record_enabled, 0);
- was_recording = false;
- capture_start_frame = 0;
- capture_captured = 0;
- _visible_speed = 1.0f;
- _actual_speed = 1.0f;
- _buffer_reallocation_required = false;
- _seek_required = false;
- first_recordable_frame = max_frames;
- last_recordable_frame = max_frames;
- _roll_delay = 0;
- _capture_offset = 0;
- _processed = false;
- _slaved = false;
- adjust_capture_position = 0;
- last_possibly_recording = 0;
- loop_location = 0;
- wrap_buffer_size = 0;
- speed_buffer_size = 0;
- last_phase = 0;
- phi = (uint64_t) (0x1000000);
- file_frame = 0;
- playback_sample = 0;
- playback_distance = 0;
- _read_data_count = 0;
- _write_data_count = 0;
- deprecated_io_node = 0;
+ Diskstream::init(f);
/* there are no channels at this point, so these
two calls just get speed_buffer_size and wrap_buffer
set_block_size (_session.get_block_size());
allocate_temporary_buffers ();
- pending_overwrite = false;
- overwrite_frame = 0;
- overwrite_queued = false;
- input_change_pending = NoChange;
-
add_channel ();
- _n_channels = 1;
+ assert(_n_channels == 1);
}
void
{
Glib::Mutex::Lock lm (state_lock);
- if (_playlist) {
- _playlist->unref ();
- }
-
- for (ChannelList::iterator chan = channels.begin(); chan != channels.end(); ++chan) {
+ for (ChannelList::iterator chan = channels.begin(); chan != channels.end(); ++chan)
destroy_channel((*chan));
- }
channels.clear();
}
void
-AudioDiskstream::handle_input_change (IOChange change, void *src)
+AudioDiskstream::allocate_working_buffers()
{
- Glib::Mutex::Lock lm (state_lock);
+ assert(disk_io_frames() > 0);
- if (!(input_change_pending & change)) {
- input_change_pending = IOChange (input_change_pending|change);
- _session.request_input_change_handling ();
- }
+ _working_buffers_size = disk_io_frames();
+ _mixdown_buffer = new Sample[_working_buffers_size];
+ _gain_buffer = new gain_t[_working_buffers_size];
+ _conversion_buffer = new char[_working_buffers_size * 4];
+}
+
+void
+AudioDiskstream::free_working_buffers()
+{
+ delete _mixdown_buffer;
+ delete _gain_buffer;
+ delete _conversion_buffer;
+ _working_buffers_size = 0;
+ _mixdown_buffer = 0;
+ _gain_buffer = 0;
+ _conversion_buffer = 0;
}
void
Playlist* pl;
AudioPlaylist* playlist;
- if ((pl = _session.get_playlist (name)) == 0) {
- error << string_compose(_("AudioDiskstream: Session doesn't know about a Playlist called \"%1\""), name) << endmsg;
- return -1;
+ if ((pl = _session.playlist_by_name (name)) == 0) {
+ playlist = new AudioPlaylist(_session, name);
+ pl = playlist;
}
if ((playlist = dynamic_cast<AudioPlaylist*> (pl)) == 0) {
}
int
-AudioDiskstream::use_playlist (AudioPlaylist* playlist)
+AudioDiskstream::use_playlist (Playlist* playlist)
{
- {
- Glib::Mutex::Lock lm (state_lock);
-
- if (playlist == _playlist) {
- return 0;
- }
+ assert(dynamic_cast<AudioPlaylist*>(playlist));
- plstate_connection.disconnect();
- plmod_connection.disconnect ();
- plgone_connection.disconnect ();
-
- if (_playlist) {
- _playlist->unref();
- }
-
- _playlist = playlist;
- _playlist->ref();
-
- if (!in_set_state && recordable()) {
- reset_write_sources (false);
- }
-
- plstate_connection = _playlist->StateChanged.connect (mem_fun (*this, &AudioDiskstream::playlist_changed));
- plmod_connection = _playlist->Modified.connect (mem_fun (*this, &AudioDiskstream::playlist_modified));
- plgone_connection = _playlist->GoingAway.connect (mem_fun (*this, &AudioDiskstream::playlist_deleted));
- }
-
- if (!overwrite_queued) {
- _session.request_overwrite_buffer (this);
- overwrite_queued = true;
- }
-
- PlaylistChanged (); /* EMIT SIGNAL */
- _session.set_dirty ();
+ Diskstream::use_playlist(playlist);
return 0;
}
-void
-AudioDiskstream::playlist_deleted (Playlist* pl)
-{
- /* this catches an ordering issue with session destruction. playlists
- are destroyed before diskstreams. we have to invalidate any handles
- we have to the playlist.
- */
-
- _playlist = 0;
-}
-
int
AudioDiskstream::use_new_playlist ()
{
int
AudioDiskstream::use_copy_playlist ()
{
+ assert(audio_playlist());
+
if (destructive()) {
return 0;
}
newname = Playlist::bump_name (_playlist->name(), _session);
- if ((playlist = new AudioPlaylist (*_playlist, newname)) != 0) {
+ if ((playlist = new AudioPlaylist (*audio_playlist(), newname)) != 0) {
playlist->set_orig_diskstream_id (id());
return use_playlist (playlist);
} else {
/* a single full-sized region */
+ cerr << "setup DS using " << srcs.front()->natural_position () << endl;
+
AudioRegion* region = new AudioRegion (srcs, 0, max_frames, _name);
- _playlist->add_region (*region, 0);
+ _playlist->add_region (*region, srcs.front()->natural_position());
}
void
for (n = 0, chan = channels.begin(); chan != channels.end(); ++chan, ++n) {
(*chan).write_source = dynamic_cast<AudioFileSource*>(®ion->source (n));
+ assert((*chan).write_source);
(*chan).write_source->set_allow_remove_if_empty (false);
}
/* the source list will never be reset for a destructive track */
}
-void
-AudioDiskstream::set_io (IO& io)
-{
- _io = &io;
- set_align_style_from_io ();
-}
-
-int
-AudioDiskstream::set_name (string str, void *src)
-{
- if (str != _name) {
- _playlist->set_name (str);
- _name = str;
-
- if (!in_set_state && recordable()) {
- /* rename existing capture files so that they have the correct name */
- return rename_write_sources ();
- } else {
- return -1;
- }
- }
-
- return 0;
-}
-
-void
-AudioDiskstream::set_speed (double sp)
-{
- _session.request_diskstream_speed (*this, sp);
-
- /* to force a rebuffering at the right place */
- playlist_modified();
-}
-
-bool
-AudioDiskstream::realtime_set_speed (double sp, bool global)
-{
- bool changed = false;
- double new_speed = sp * _session.transport_speed();
-
- if (_visible_speed != sp) {
- _visible_speed = sp;
- changed = true;
- }
-
- if (new_speed != _actual_speed) {
-
- jack_nframes_t required_wrap_size = (jack_nframes_t) floor (_session.get_block_size() *
- fabs (new_speed)) + 1;
-
- if (required_wrap_size > wrap_buffer_size) {
- _buffer_reallocation_required = true;
- }
-
- _actual_speed = new_speed;
- phi = (uint64_t) (0x1000000 * fabs(_actual_speed));
- }
-
- if (changed) {
- if (!global) {
- _seek_required = true;
- }
- speed_changed (); /* EMIT SIGNAL */
- }
-
- return _buffer_reallocation_required || _seek_required;
-}
-
-void
-AudioDiskstream::non_realtime_set_speed ()
-{
- if (_buffer_reallocation_required)
- {
- Glib::Mutex::Lock lm (state_lock);
- allocate_temporary_buffers ();
-
- _buffer_reallocation_required = false;
- }
-
- if (_seek_required) {
- if (speed() != 1.0f || speed() != -1.0f) {
- seek ((jack_nframes_t) (_session.transport_frame() * (double) speed()), true);
- }
- else {
- seek (_session.transport_frame(), true);
- }
-
- _seek_required = false;
- }
-}
-
-void
-AudioDiskstream::prepare ()
-{
- _processed = false;
- playback_distance = 0;
-}
-
void
AudioDiskstream::check_record_status (jack_nframes_t transport_frame, jack_nframes_t nframes, bool can_record)
{
returns a non-zero value, in which case, ::commit should not be called.
*/
- // If we can't take the state lock return.
+ // If we can't take the state lock return.
if (!state_lock.trylock()) {
return 1;
}
return ret;
}
-void
-AudioDiskstream::recover ()
-{
- state_lock.unlock();
- _processed = false;
-}
-
bool
AudioDiskstream::commit (jack_nframes_t nframes)
{
(*chan).capture_buf->reset ();
}
+ /* can't rec-enable in destructive mode if transport is before start */
+
+ if (destructive() && record_enabled() && frame < _session.current_start_frame()) {
+ disengage_record_enable ();
+ }
+
playback_sample = frame;
file_frame = frame;
if (complete_refill) {
- while ((ret = do_refill (0, 0, 0)) > 0);
+ while ((ret = do_refill_with_alloc ()) > 0) ;
} else {
- ret = do_refill (0, 0, 0);
+ ret = do_refill_with_alloc ();
}
return ret;
this_read = min(cnt,this_read);
- if (_playlist->read (buf+offset, mixdown_buffer, gain_buffer, workbuf, start, this_read, channel) != this_read) {
+ if (audio_playlist()->read (buf+offset, mixdown_buffer, gain_buffer, workbuf, start, this_read, channel) != this_read) {
error << string_compose(_("AudioDiskstream %1: cannot read %2 from playlist at frame %3"), _id, this_read,
start) << endmsg;
return -1;
}
int
-AudioDiskstream::do_refill (Sample* mixdown_buffer, float* gain_buffer, char * workbuf)
+AudioDiskstream::do_refill_with_alloc()
+{
+ Sample* mix_buf = new Sample[disk_io_chunk_frames];
+ float* gain_buf = new float[disk_io_chunk_frames];
+ char* work_buf = new char[disk_io_chunk_frames * 4];
+
+ int ret = _do_refill(mix_buf, gain_buf, work_buf);
+
+ delete [] mix_buf;
+ delete [] gain_buf;
+ delete [] work_buf;
+
+ return ret;
+}
+
+int
+AudioDiskstream::_do_refill (Sample* mixdown_buffer, float* gain_buffer, char * workbuf)
{
int32_t ret = 0;
jack_nframes_t to_read;
RingBufferNPT<Sample>::rw_vector vector;
- bool free_mixdown;
- bool free_gain;
- bool free_workbuf;
bool reversed = (_visible_speed * _session.transport_speed()) < 0.0f;
jack_nframes_t total_space;
jack_nframes_t zero_fill;
ChannelList::iterator i;
jack_nframes_t ts;
+ assert(mixdown_buffer);
+ assert(gain_buffer);
+ assert(workbuf);
+
channels.front().playback_buf->get_write_vector (&vector);
if ((total_space = vector.len[0] + vector.len[1]) == 0) {
zero_fill = 0;
}
}
-
- /* Please note: the code to allocate buffers isn't run
- during normal butler thread operation. Its there
- for other times when we need to call do_refill()
- from somewhere other than the butler thread.
- */
-
- if (mixdown_buffer == 0) {
- mixdown_buffer = new Sample[disk_io_chunk_frames];
- free_mixdown = true;
- } else {
- free_mixdown = false;
- }
-
- if (gain_buffer == 0) {
- gain_buffer = new float[disk_io_chunk_frames];
- free_gain = true;
- } else {
- free_gain = false;
- }
-
- if (workbuf == 0) {
- workbuf = new char[disk_io_chunk_frames * 4];
- free_workbuf = true;
- } else {
- free_workbuf = false;
- }
jack_nframes_t file_frame_tmp = 0;
file_frame = file_frame_tmp;
out:
- if (free_mixdown) {
- delete [] mixdown_buffer;
- }
- if (free_gain) {
- delete [] gain_buffer;
- }
- if (free_workbuf) {
- delete [] workbuf;
- }
return ret;
}
+/** Flush pending data to disk.
+ *
+ * Important note: this function will write *AT MOST* disk_io_chunk_frames
+ * of data to disk. it will never write more than that. If it writes that
+ * much and there is more than that waiting to be written, it will return 1,
+ * otherwise 0 on success or -1 on failure.
+ *
+ * If there is less than disk_io_chunk_frames to be written, no data will be
+ * written at all unless @a force_flush is true.
+ */
int
-AudioDiskstream::do_flush (char * workbuf, bool force_flush)
+AudioDiskstream::do_flush (Session::RunContext context, bool force_flush)
{
+ char* workbuf = _session.conversion_buffer(context);
+
uint32_t to_write;
int32_t ret = 0;
RingBufferNPT<Sample>::rw_vector vector;
RingBufferNPT<CaptureTransition>::rw_vector transvec;
jack_nframes_t total;
-
- /* important note: this function will write *AT MOST*
- disk_io_chunk_frames of data to disk. it will never
- write more than that. if its writes that much and there
- is more than that waiting to be written, it will return 1,
- otherwise 0 on success or -1 on failure.
-
- if there is less than disk_io_chunk_frames to be written,
- no data will be written at all unless `force_flush' is true.
- */
_write_data_count = 0;
goto out;
}
-
/* if there are 2+ chunks of disk i/o possible for
this track, let the caller know so that it can arrange
for us to be called again, ASAP.
to_write = min (disk_io_chunk_frames, (jack_nframes_t) vector.len[0]);
-
// check the transition buffer when recording destructive
// important that we get this after the capture buf
return ret;
}
-void
-AudioDiskstream::playlist_changed (Change ignored)
-{
- playlist_modified ();
-}
-
-void
-AudioDiskstream::playlist_modified ()
-{
- if (!i_am_the_modifier && !overwrite_queued) {
- _session.request_overwrite_buffer (this);
- overwrite_queued = true;
- }
-}
-
void
AudioDiskstream::transport_stopped (struct tm& when, time_t twhen, bool abort_capture)
{
ChannelList::iterator chan;
vector<CaptureInfo*>::iterator ci;
uint32_t n = 0;
- list<AudioFileSource*>* deletion_list;
bool mark_write_completed = false;
finish_capture (true);
*/
while (more_work && !err) {
- switch (do_flush ( _session.conversion_buffer(Session::TransportContext), true)) {
+ switch (do_flush (Session::TransportContext, true)) {
case 0:
more_work = false;
break;
ChannelList::iterator chan;
- deletion_list = new list<AudioFileSource*>;
+ list<Source*>* deletion_list = new list<Source*>;
for ( chan = channels.begin(); chan != channels.end(); ++chan) {
_playlist->thaw ();
XMLNode &after = _playlist->get_state();
- _session.add_command (MementoCommand<Playlist>(*_playlist, before, after));
+ _session.add_command (
new MementoCommand<Playlist>(*_playlist, before, after));
}
mark_write_completed = true;
}
void
-AudioDiskstream::set_record_enabled (bool yn, void* src)
+AudioDiskstream::set_record_enabled (bool yn)
{
- bool rolling = _session.transport_speed() != 0.0f;
-
if (!recordable() || !_session.record_enabling_legal()) {
return;
}
-
- /* if we're turning on rec-enable, there needs to be an
- input connection.
- */
+
+ /* can't rec-enable in destructive mode if transport is before start */
+
+ if (destructive() && yn && _session.transport_frame() < _session.current_start_frame()) {
+ return;
+ }
if (yn && channels[0].source == 0) {
if (record_enabled() != yn) {
if (yn) {
- g_atomic_int_set (&_record_enabled, 1);
- capturing_sources.clear ();
- if (Config->get_use_hardware_monitoring()) {
- for (ChannelList::iterator chan = channels.begin(); chan != channels.end(); ++chan) {
- if ((*chan).source) {
- (*chan).source->request_monitor_input (!(_session.get_auto_input() && rolling));
- }
- capturing_sources.push_back ((*chan).write_source);
- }
- } else {
- for (ChannelList::iterator chan = channels.begin(); chan != channels.end(); ++chan) {
- capturing_sources.push_back ((*chan).write_source);
- }
- }
-
+ engage_record_enable ();
} else {
- g_atomic_int_set (&_record_enabled, 0);
- if (Config->get_use_hardware_monitoring()) {
- for (ChannelList::iterator chan = channels.begin(); chan != channels.end(); ++chan) {
- if ((*chan).source) {
- (*chan).source->request_monitor_input (false);
- }
- }
+ disengage_record_enable ();
+ }
+ }
+}
+
+void
+AudioDiskstream::engage_record_enable ()
+{
+ bool rolling = _session.transport_speed() != 0.0f;
+
+ g_atomic_int_set (&_record_enabled, 1);
+ capturing_sources.clear ();
+ if (Config->get_use_hardware_monitoring()) {
+ for (ChannelList::iterator chan = channels.begin(); chan != channels.end(); ++chan) {
+ if ((*chan).source) {
+ (*chan).source->request_monitor_input (!(_session.get_auto_input() && rolling));
}
- capturing_sources.clear ();
+ capturing_sources.push_back ((*chan).write_source);
+ }
+ } else {
+ for (ChannelList::iterator chan = channels.begin(); chan != channels.end(); ++chan) {
+ capturing_sources.push_back ((*chan).write_source);
}
+ }
+
+ RecordEnableChanged (); /* EMIT SIGNAL */
+}
- record_enable_changed (src); /* EMIT SIGNAL */
+void
+AudioDiskstream::disengage_record_enable ()
+{
+ g_atomic_int_set (&_record_enabled, 0);
+ if (Config->get_use_hardware_monitoring()) {
+ for (ChannelList::iterator chan = channels.begin(); chan != channels.end(); ++chan) {
+ if ((*chan).source) {
+ (*chan).source->request_monitor_input (false);
+ }
+ }
}
+ capturing_sources.clear ();
+ RecordEnableChanged (); /* EMIT SIGNAL */
}
+
XMLNode&
AudioDiskstream::get_state ()
{
XMLNode* node = new XMLNode ("AudioDiskstream");
- char buf[64];
+ char buf[64] = "";
LocaleGuard lg (X_("POSIX"));
snprintf (buf, sizeof(buf), "0x%x", _flags);
node->add_property ("speed", buf);
node->add_property("name", _name);
- snprintf (buf, sizeof(buf), "%" PRIu64, id());
+ id().print (buf);
node->add_property("id", buf);
if (!capturing_sources.empty() && _session.get_record_enabled()) {
if (deprecated_io_node) {
if ((prop = deprecated_io_node->property ("id")) != 0) {
- sscanf (prop->value().c_str(), "%" PRIu64, &_id);
+ _id = prop->value ();
}
} else {
if ((prop = node.property ("id")) != 0) {
- sscanf (prop->value().c_str(), "%" PRIu64, &_id);
+ _id = prop->value ();
}
}
}
// create necessary extra channels
- // we are always constructed with one
- // and we always need one
+ // we are always constructed with one and we always need one
if (nchans > _n_channels) {
}
}
-void
-AudioDiskstream::set_capture_offset ()
-{
- if (_io == 0) {
- /* can't capture, so forget it */
- return;
- }
-
- _capture_offset = _io->input_latency();
-}
-
-void
-AudioDiskstream::set_persistent_align_style (AlignStyle a)
-{
- _persistent_alignment_style = a;
-}
-
void
AudioDiskstream::set_align_style_from_io ()
{
}
}
-void
-AudioDiskstream::set_align_style (AlignStyle a)
-{
- if (record_enabled() && _session.actively_recording()) {
- return;
- }
-
-
- if (a != _alignment_style) {
- _alignment_style = a;
- AlignmentStyleChanged ();
- }
-}
-
int
AudioDiskstream::add_channel ()
{
(double) channels.front().capture_buf->bufsize());
}
-int
-AudioDiskstream::set_loop (Location *location)
-{
- if (location) {
- if (location->start() >= location->end()) {
- error << string_compose(_("Location \"%1\" not valid for track loop (start >= end)"), location->name()) << endl;
- return -1;
- }
- }
-
- loop_location = location;
-
- LoopSet (location); /* EMIT SIGNAL */
- return 0;
-}
-
-jack_nframes_t
-AudioDiskstream::get_capture_start_frame (uint32_t n)
-{
- Glib::Mutex::Lock lm (capture_info_lock);
-
- if (capture_info.size() > n) {
- return capture_info[n]->start;
- }
- else {
- return capture_start_frame;
- }
-}
-
-jack_nframes_t
-AudioDiskstream::get_captured_frames (uint32_t n)
-{
- Glib::Mutex::Lock lm (capture_info_lock);
-
- if (capture_info.size() > n) {
- return capture_info[n]->frames;
- }
- else {
- return capture_captured;
- }
-}
-
-void
-AudioDiskstream::punch_in ()
-{
-}
-
-void
-AudioDiskstream::punch_out ()
-{
-}
-
int
AudioDiskstream::use_pending_capture_data (XMLNode& node)
{
return 0;
}
-
-void
-AudioDiskstream::set_roll_delay (jack_nframes_t nframes)
-{
- _roll_delay = nframes;
-}
-
-void
-AudioDiskstream::set_destructive (bool yn)
-{
- if (yn != destructive()) {
- reset_write_sources (true, true);
- if (yn) {
- _flags |= Destructive;
- } else {
- _flags &= ~Destructive;
- }
- }
-}
projects / ardour.git / blobdiff