along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <algorithm>
#include <fcntl.h>
#include <poll.h>
+#include <glibmm/thread.h>
+
#include <pbd/error.h>
-#include <pbd/lockmonitor.h>
#include <pbd/pthread_utils.h>
+#include <pbd/stacktrace.h>
#include <ardour/configuration.h>
#include <ardour/audioengine.h>
#include <ardour/session.h>
-#include <ardour/diskstream.h>
+#include <ardour/audio_diskstream.h>
+#include <ardour/midi_diskstream.h>
#include <ardour/crossfade.h>
#include <ardour/timestamps.h>
using namespace std;
using namespace ARDOUR;
-//using namespace sigc;
+using namespace PBD;
static float _read_data_rate;
static float _write_data_rate;
Session::start_butler_thread ()
{
/* size is in Samples, not bytes */
-
- dstream_buffer_size = (uint32_t) floor (Config->get_track_buffer_seconds() * (float) frame_rate());
-
- Crossfade::set_buffer_size (dstream_buffer_size);
-
- pthread_cond_init (&butler_paused, 0);
+ audio_dstream_buffer_size = (uint32_t) floor (Config->get_audio_track_buffer_seconds() * (float) frame_rate());
+
+ /* size is in bytes
+ * XXX: Jack needs to tell us the MIDI buffer size
+ * (i.e. how many MIDI bytes we might see in a cycle)
+ */
+ midi_dstream_buffer_size = (uint32_t) floor (Config->get_midi_track_buffer_seconds() * (float)frame_rate());
+ MidiDiskstream::set_readahed_frames ((nframes_t) (Config->get_midi_readahead() * (float) frame_rate()));
+ Crossfade::set_buffer_size (audio_dstream_buffer_size);
+
butler_should_run = false;
if (pipe (butler_request_pipe)) {
void
Session::terminate_butler_thread ()
{
- void* status;
- char c = ButlerRequest::Quit;
- ::write (butler_request_pipe[1], &c, 1);
- pthread_join (butler_thread, &status);
+ if (butler_thread) {
+ void* status;
+ char c = ButlerRequest::Quit;
+ ::write (butler_request_pipe[1], &c, 1);
+ pthread_join (butler_thread, &status);
+ }
}
void
Session::schedule_butler_transport_work ()
{
- atomic_inc (&butler_should_do_transport_work);
+ g_atomic_int_inc (&butler_should_do_transport_work);
summon_butler ();
}
{
char c = ButlerRequest::Run;
::write (butler_request_pipe[1], &c, 1);
+ // PBD::stacktrace (cerr);
}
void
Session::stop_butler ()
{
- LockMonitor lm (butler_request_lock, __LINE__, __FILE__);
+ Glib::Mutex::Lock lm (butler_request_lock);
char c = ButlerRequest::Pause;
::write (butler_request_pipe[1], &c, 1);
- pthread_cond_wait (&butler_paused, butler_request_lock.mutex());
+ butler_paused.wait(butler_request_lock);
}
void
Session::wait_till_butler_finished ()
{
- LockMonitor lm (butler_request_lock, __LINE__, __FILE__);
+ Glib::Mutex::Lock lm (butler_request_lock);
char c = ButlerRequest::Wake;
::write (butler_request_pipe[1], &c, 1);
- pthread_cond_wait (&butler_paused, butler_request_lock.mutex());
+ butler_paused.wait(butler_request_lock);
}
void *
Session::_butler_thread_work (void* arg)
{
PBD::ThreadCreated (pthread_self(), X_("Butler"));
-
return ((Session *) arg)->butler_thread_work ();
return 0;
}
-#define transport_work_requested() atomic_read(&butler_should_do_transport_work)
-
void *
Session::butler_thread_work ()
{
uint32_t err = 0;
int32_t bytes;
bool compute_io;
- struct timeval begin, end;
+ microseconds_t begin, end;
+
struct pollfd pfd[1];
bool disk_work_outstanding = false;
- DiskStreamList::iterator i;
-
- butler_mixdown_buffer = new Sample[DiskStream::disk_io_frames()];
- butler_gain_buffer = new gain_t[DiskStream::disk_io_frames()];
- // this buffer is used for temp conversion purposes in filesources
- char * conv_buffer = conversion_buffer(ButlerContext);
+ DiskstreamList::iterator i;
while (true) {
-
pfd[0].fd = butler_request_pipe[0];
pfd[0].events = POLLIN|POLLERR|POLLHUP;
}
if (pfd[0].revents & ~POLLIN) {
- error << _("Error on butler thread request pipe") << endmsg;
+ error << string_compose (_("Error on butler thread request pipe: fd=%1 err=%2"), pfd[0].fd, pfd[0].revents) << endmsg;
break;
}
if (pfd[0].revents & POLLIN) {
-
+
char req;
/* empty the pipe of all current requests */
while (1) {
size_t nread = ::read (butler_request_pipe[0], &req, sizeof (req));
-
if (nread == 1) {
switch ((ButlerRequest::Type) req) {
case ButlerRequest::Wake:
break;
+
case ButlerRequest::Run:
butler_should_run = true;
break;
}
}
}
-
- for (i = diskstreams.begin(); i != diskstreams.end(); ++i) {
- // cerr << "BEFORE " << (*i)->name() << ": pb = " << (*i)->playback_buffer_load() << " cp = " << (*i)->capture_buffer_load() << endl;
- }
if (transport_work_requested()) {
butler_transport_work ();
bytes = 0;
compute_io = true;
- gettimeofday (&begin, 0);
+ begin = get_microseconds();
- RWLockMonitor dsm (diskstream_lock, false, __LINE__, __FILE__);
-
- for (i = diskstreams.begin(); !transport_work_requested() && butler_should_run && i != diskstreams.end(); ++i) {
+ boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader ();
+
+// 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() && butler_should_run && i != dsl->end(); ++i) {
+
+ boost::shared_ptr<Diskstream> ds = *i;
+
+ /* don't read inactive tracks */
+
+ IO* io = ds->io();
- // cerr << "rah fondr " << (*i)->io()->name () << endl;
+ if (io && !io->active()) {
+ continue;
+ }
- switch ((*i)->do_refill (butler_mixdown_buffer, butler_gain_buffer, conv_buffer)) {
+ switch (ds->do_refill ()) {
case 0:
- bytes += (*i)->read_data_count();
+ bytes += ds->read_data_count();
break;
case 1:
- bytes += (*i)->read_data_count();
+ bytes += ds->read_data_count();
disk_work_outstanding = true;
break;
}
- if (i != diskstreams.end()) {
+ if (i != dsl->end()) {
/* we didn't get to all the streams */
disk_work_outstanding = true;
}
}
if (compute_io) {
- gettimeofday (&end, 0);
-
- double b = begin.tv_sec + (begin.tv_usec/1000000.0);
- double e = end.tv_sec + (end.tv_usec / 1000000.0);
-
- _read_data_rate = bytes / (e - b);
+ end = get_microseconds();
+ if(end-begin > 0) {
+ _read_data_rate = (float) bytes / (float) (end - begin);
+ } else { _read_data_rate = 0; // infinity better
+ }
}
bytes = 0;
compute_io = true;
- gettimeofday (&begin, 0);
-
- for (i = diskstreams.begin(); !transport_work_requested() && butler_should_run && i != diskstreams.end(); ++i) {
-
+ begin = get_microseconds();
+
+ for (i = dsl->begin(); !transport_work_requested() && butler_should_run && i != dsl->end(); ++i) {
// cerr << "write behind for " << (*i)->name () << endl;
+
+ /* note that we still try to flush diskstreams attached to inactive routes
+ */
- switch ((*i)->do_flush (conv_buffer)) {
+ switch ((*i)->do_flush (Session::ButlerContext)) {
case 0:
bytes += (*i)->write_data_count();
break;
request_stop ();
}
- if (i != diskstreams.end()) {
+ if (i != dsl->end()) {
/* we didn't get to all the streams */
disk_work_outstanding = true;
}
}
if (compute_io) {
- gettimeofday (&end, 0);
-
- double b = begin.tv_sec + (begin.tv_usec/1000000.0);
- double e = end.tv_sec + (end.tv_usec / 1000000.0);
-
- _write_data_rate = bytes / (e - b);
+ // 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
+ }
}
if (!disk_work_outstanding) {
{
- LockMonitor lm (butler_request_lock, __LINE__, __FILE__);
+ Glib::Mutex::Lock lm (butler_request_lock);
if (butler_should_run && (disk_work_outstanding || transport_work_requested())) {
-// for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
+// for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
// cerr << "AFTER " << (*i)->name() << ": pb = " << (*i)->playback_buffer_load() << " cp = " << (*i)->capture_buffer_load() << endl;
// }
continue;
}
- pthread_cond_signal (&butler_paused);
+ butler_paused.signal();
}
}
void
-Session::request_overwrite_buffer (DiskStream* stream)
+Session::request_overwrite_buffer (Diskstream* stream)
{
Event *ev = new Event (Event::Overwrite, Event::Add, Event::Immediate, 0, 0, 0.0);
ev->set_ptr (stream);
queue_event (ev);
}
+/** Process thread. */
void
-Session::overwrite_some_buffers (DiskStream* ds)
+Session::overwrite_some_buffers (Diskstream* ds)
{
- /* executed by the audio thread */
-
if (actively_recording()) {
return;
}
} else {
- RWLockMonitor dm (diskstream_lock, false, __LINE__, __FILE__);
- for (DiskStreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) {
+ boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
+ for (DiskstreamList::iterator i = dsl->begin(); i != dsl->end(); ++i) {
(*i)->set_pending_overwrite (true);
}
}
/* disk i/o in excess of 10000MB/sec indicate the buffer cache
in action. ignore it.
*/
- return _read_data_rate > 10485760000.0f ? 0.0f : _read_data_rate;
+ return _read_data_rate > 10485.7600000f ? 0.0f : _read_data_rate;
}
float
/* disk i/o in excess of 10000MB/sec indicate the buffer cache
in action. ignore it.
*/
- return _write_data_rate > 10485760000.0f ? 0.0f : _write_data_rate;
+ return _write_data_rate > 10485.7600000f ? 0.0f : _write_data_rate;
}
uint32_t
Session::playback_load ()
{
- return (uint32_t) atomic_read (&_playback_load);
+ return (uint32_t) g_atomic_int_get (&_playback_load);
}
uint32_t
Session::capture_load ()
{
- return (uint32_t) atomic_read (&_capture_load);
+ return (uint32_t) g_atomic_int_get (&_capture_load);
}
uint32_t
Session::playback_load_min ()
{
- return (uint32_t) atomic_read (&_playback_load_min);
+ return (uint32_t) g_atomic_int_get (&_playback_load_min);
}
uint32_t
Session::capture_load_min ()
{
- return (uint32_t) atomic_read (&_capture_load_min);
+ return (uint32_t) g_atomic_int_get (&_capture_load_min);
}
void
Session::reset_capture_load_min ()
{
- atomic_set (&_capture_load_min, 100);
+ g_atomic_int_set (&_capture_load_min, 100);
}
void
Session::reset_playback_load_min ()
{
- atomic_set (&_playback_load_min, 100);
+ g_atomic_int_set (&_playback_load_min, 100);
}
projects / ardour.git / blobdiff