#include "ardour/io.h"
#include "ardour/midi_diskstream.h"
#include "ardour/session.h"
+#include "ardour/track.h"
+#include "ardour/auditioner.h"
#include "i18n.h"
using namespace PBD;
-static float _read_data_rate;
-static float _write_data_rate;
-
namespace ARDOUR {
Butler::Butler(Session& s)
: SessionHandleRef (s)
, thread(0)
- , audio_dstream_buffer_size(0)
+ , audio_dstream_capture_buffer_size(0)
+ , audio_dstream_playback_buffer_size(0)
, midi_dstream_buffer_size(0)
+ , pool_trash(16)
{
g_atomic_int_set(&should_do_transport_work, 0);
+ SessionEvent::pool->set_trash (&pool_trash);
+
+ Config->ParameterChanged.connect_same_thread (*this, boost::bind (&Butler::config_changed, this, _1));
}
Butler::~Butler()
{
+ terminate_thread ();
+}
+
+void
+Butler::config_changed (std::string p)
+{
+ if (p == "playback-buffer-seconds") {
+ /* size is in Samples, not bytes */
+ audio_dstream_playback_buffer_size = (uint32_t) floor (Config->get_audio_playback_buffer_seconds() * _session.frame_rate());
+ _session.adjust_playback_buffering ();
+ } else if (p == "capture-buffer-seconds") {
+ audio_dstream_capture_buffer_size = (uint32_t) floor (Config->get_audio_capture_buffer_seconds() * _session.frame_rate());
+ _session.adjust_capture_buffering ();
+ }
}
int
const float rate = (float)_session.frame_rate();
/* size is in Samples, not bytes */
- audio_dstream_buffer_size = (uint32_t) floor (Config->get_audio_track_buffer_seconds() * rate);
+ audio_dstream_capture_buffer_size = (uint32_t) floor (Config->get_audio_capture_buffer_seconds() * rate);
+ audio_dstream_playback_buffer_size = (uint32_t) floor (Config->get_audio_playback_buffer_seconds() * rate);
/* size is in bytes
* XXX: Jack needs to tell us the MIDI buffer size
*/
midi_dstream_buffer_size = (uint32_t) floor (Config->get_midi_track_buffer_seconds() * rate);
- MidiDiskstream::set_readahead_frames ((nframes_t)(Config->get_midi_readahead() * rate));
+ MidiDiskstream::set_readahead_frames ((framecnt_t) (Config->get_midi_readahead() * rate));
- Crossfade::set_buffer_size (audio_dstream_buffer_size);
+ Crossfade::set_buffer_size (audio_dstream_playback_buffer_size);
should_run = false;
if (thread) {
void* status;
const char c = Request::Quit;
- ::write (request_pipe[1], &c, 1);
+ (void) ::write (request_pipe[1], &c, 1);
pthread_join (thread, &status);
}
}
void *
Butler::_thread_work (void* arg)
{
- SessionEvent::create_per_thread_pool ("butler events", 64);
+ SessionEvent::create_per_thread_pool ("butler events", 4096);
+ pthread_set_name (X_("butler"));
return ((Butler *) arg)->thread_work ();
}
Butler::thread_work ()
{
uint32_t err = 0;
- int32_t bytes;
- bool compute_io;
- microseconds_t begin, end;
struct pollfd pfd[1];
bool disk_work_outstanding = false;
- Session::DiskstreamList::iterator i;
+ RouteList::iterator i;
while (true) {
pfd[0].fd = request_pipe[0];
switch ((Request::Type) req) {
- case Request::Wake:
- break;
-
case Request::Run:
should_run = true;
break;
}
}
+
+restart:
+ disk_work_outstanding = false;
+
if (transport_work_requested()) {
_session.butler_transport_work ();
}
- disk_work_outstanding = false;
- bytes = 0;
- compute_io = true;
-
- begin = get_microseconds();
+ boost::shared_ptr<RouteList> rl = _session.get_routes();
- boost::shared_ptr<Session::DiskstreamList> dsl = _session.diskstream_list().reader ();
+ RouteList rl_with_auditioner = *rl;
+ rl_with_auditioner.push_back (_session.the_auditioner());
// for (i = dsl->begin(); i != dsl->end(); ++i) {
// cerr << "BEFORE " << (*i)->name() << ": pb = " << (*i)->playback_buffer_load() << " cp = " << (*i)->capture_buffer_load() << endl;
// }
- for (i = dsl->begin(); !transport_work_requested() && should_run && i != dsl->end(); ++i) {
+ for (i = rl_with_auditioner.begin(); !transport_work_requested() && should_run && i != rl_with_auditioner.end(); ++i) {
- boost::shared_ptr<Diskstream> ds = *i;
+ boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- /* don't read inactive tracks */
+ if (!tr) {
+ continue;
+ }
- boost::shared_ptr<IO> io = ds->io();
+ boost::shared_ptr<IO> io = tr->input ();
if (io && !io->active()) {
+ /* don't read inactive tracks */
continue;
}
- switch (ds->do_refill ()) {
+ switch (tr->do_refill ()) {
case 0:
- bytes += ds->read_data_count();
break;
+
case 1:
- bytes += ds->read_data_count();
disk_work_outstanding = true;
break;
default:
- compute_io = false;
error << string_compose(_("Butler read ahead failure on dstream %1"), (*i)->name()) << endmsg;
break;
}
}
- if (i != dsl->end()) {
+ if (i != rl_with_auditioner.begin() && i != rl_with_auditioner.end()) {
/* we didn't get to all the streams */
disk_work_outstanding = true;
}
if (!err && transport_work_requested()) {
- continue;
+ goto restart;
}
- if (compute_io) {
- end = get_microseconds();
- if (end - begin > 0) {
- _read_data_rate = (float) bytes / (float) (end - begin);
- } else {
- _read_data_rate = 0; // infinity better
- }
- }
+ for (i = rl->begin(); !transport_work_requested() && should_run && i != rl->end(); ++i) {
+ // cerr << "write behind for " << (*i)->name () << endl;
- bytes = 0;
- compute_io = true;
- begin = get_microseconds();
+ boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
- for (i = dsl->begin(); !transport_work_requested() && should_run && i != dsl->end(); ++i) {
- // cerr << "write behind for " << (*i)->name () << endl;
+ if (!tr) {
+ continue;
+ }
/* note that we still try to flush diskstreams attached to inactive routes
*/
- switch ((*i)->do_flush (ButlerContext)) {
+ switch (tr->do_flush (ButlerContext)) {
case 0:
- bytes += (*i)->write_data_count();
break;
+
case 1:
- bytes += (*i)->write_data_count();
disk_work_outstanding = true;
break;
default:
err++;
- compute_io = false;
error << string_compose(_("Butler write-behind failure on dstream %1"), (*i)->name()) << endmsg;
/* don't break - try to flush all streams in case they
are split across disks.
_session.request_stop ();
}
- if (i != dsl->end()) {
+ if (i != rl->begin() && i != rl->end()) {
/* we didn't get to all the streams */
disk_work_outstanding = true;
}
if (!err && transport_work_requested()) {
- continue;
- }
-
- if (compute_io) {
- // there are no apparent users for this calculation?
- end = get_microseconds();
- if (end - begin > 0) {
- _write_data_rate = (float) bytes / (float) (end - begin);
- } else {
- _write_data_rate = 0; // Well, infinity would be better
- }
+ goto restart;
}
if (!disk_work_outstanding) {
// cerr << "AFTER " << (*i)->name() << ": pb = " << (*i)->playback_buffer_load() << " cp = " << (*i)->capture_buffer_load() << endl;
// }
- continue;
+ goto restart;
}
paused.signal();
}
+
+ empty_pool_trash ();
}
pthread_exit_pbd (0);
Butler::summon ()
{
char c = Request::Run;
- ::write (request_pipe[1], &c, 1);
+ (void) ::write (request_pipe[1], &c, 1);
}
void
{
Glib::Mutex::Lock lm (request_lock);
char c = Request::Pause;
- ::write (request_pipe[1], &c, 1);
+ (void) ::write (request_pipe[1], &c, 1);
paused.wait(request_lock);
}
Butler::wait_until_finished ()
{
Glib::Mutex::Lock lm (request_lock);
- char c = Request::Wake;
- ::write (request_pipe[1], &c, 1);
+ char c = Request::Pause;
+ (void) ::write (request_pipe[1], &c, 1);
paused.wait(request_lock);
}
return g_atomic_int_get(&should_do_transport_work);
}
-float
-Butler::read_data_rate () const
+void
+Butler::empty_pool_trash ()
{
- /* disk i/o in excess of 10000MB/sec indicate the buffer cache
- in action. ignore it.
- */
- return _read_data_rate > 10485.7600000f ? 0.0f : _read_data_rate;
+ /* look in the trash, deleting empty pools until we come to one that is not empty */
+
+ RingBuffer<CrossThreadPool*>::rw_vector vec;
+ pool_trash.get_read_vector (&vec);
+
+ guint deleted = 0;
+
+ for (int i = 0; i < 2; ++i) {
+ for (guint j = 0; j < vec.len[i]; ++j) {
+ if (vec.buf[i][j]->empty()) {
+ delete vec.buf[i][j];
+ ++deleted;
+ } else {
+ /* found a non-empty pool, so stop deleting */
+ if (deleted) {
+ pool_trash.increment_read_idx (deleted);
+ }
+ return;
+ }
+ }
+ }
+
+ if (deleted) {
+ pool_trash.increment_read_idx (deleted);
+ }
}
-float
-Butler::write_data_rate () const
+void
+Butler::drop_references ()
{
- /* disk i/o in excess of 10000MB/sec indicate the buffer cache
- in action. ignore it.
- */
- return _write_data_rate > 10485.7600000f ? 0.0f : _write_data_rate;
+ SessionEvent::pool->set_trash (0);
}
+
} // namespace ARDOUR
+
projects / ardour.git / blobdiff