X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsession_butler.cc;h=259a3a1d3d6d55c42aa3a5d0bc189624d35f3b52;hb=c8c6bca6587450ff64303dbc994a4cd28d6ce7aa;hp=f0a2af0a83d146cdf72c16b884805020c78036c0;hpb=22c20ab6f215c0ab24702a479aa6821c25a7d058;p=ardour.git diff --git a/libs/ardour/session_butler.cc b/libs/ardour/session_butler.cc index f0a2af0a83..259a3a1d3d 100644 --- a/libs/ardour/session_butler.cc +++ b/libs/ardour/session_butler.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 1999-2002 Paul Davis + Copyright (C) 1999-2002 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 @@ -15,411 +15,99 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id$ */ -#include -#include -#include -#include -#include -#include -#include +#include "pbd/error.h" +#include "pbd/pthread_utils.h" +#include "pbd/stacktrace.h" -#include +#include "ardour/butler.h" +#include "ardour/route.h" +#include "ardour/session.h" +#include "ardour/session_event.h" +#include "ardour/track.h" +#include "ardour/types.h" -#include -#include - -#include -#include -#include -#include -#include -#include - -#include "i18n.h" +#include "pbd/i18n.h" using namespace std; using namespace ARDOUR; using namespace PBD; -static float _read_data_rate; -static float _write_data_rate; - -/* XXX put this in the right place */ - -static inline uint32_t next_power_of_two (uint32_t n) -{ - --n; - n |= n >> 16; - n |= n >> 8; - n |= n >> 4; - n |= n >> 2; - n |= n >> 1; - ++n; - return n; -} - /*--------------------------------------------------------------------------- - BUTLER THREAD + BUTLER THREAD ---------------------------------------------------------------------------*/ -int -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); - - butler_should_run = false; - - if (pipe (butler_request_pipe)) { - error << string_compose(_("Cannot create transport request signal pipe (%1)"), strerror (errno)) << endmsg; - return -1; - } - - if (fcntl (butler_request_pipe[0], F_SETFL, O_NONBLOCK)) { - error << string_compose(_("UI: cannot set O_NONBLOCK on butler request pipe (%1)"), strerror (errno)) << endmsg; - return -1; - } - - if (fcntl (butler_request_pipe[1], F_SETFL, O_NONBLOCK)) { - error << string_compose(_("UI: cannot set O_NONBLOCK on butler request pipe (%1)"), strerror (errno)) << endmsg; - return -1; - } - - if (pthread_create_and_store ("disk butler", &butler_thread, 0, _butler_thread_work, this)) { - error << _("Session: could not create butler thread") << endmsg; - return -1; - } - - // pthread_detach (butler_thread); - - return 0; -} - -void -Session::terminate_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 () +Session::adjust_playback_buffering () { - g_atomic_int_inc (&butler_should_do_transport_work); - summon_butler (); + request_stop (false, false); + SessionEvent *ev = new SessionEvent (SessionEvent::AdjustPlaybackBuffering, SessionEvent::Add, SessionEvent::Immediate, 0, 0, 0.0); + queue_event (ev); } void -Session::schedule_curve_reallocation () +Session::adjust_capture_buffering () { - post_transport_work = PostTransportWork (post_transport_work | PostTransportCurveRealloc); - schedule_butler_transport_work (); + request_stop (false, false); + SessionEvent *ev = new SessionEvent (SessionEvent::AdjustCaptureBuffering, SessionEvent::Add, SessionEvent::Immediate, 0, 0, 0.0); + queue_event (ev); } void -Session::summon_butler () +Session::schedule_playback_buffering_adjustment () { - char c = ButlerRequest::Run; - ::write (butler_request_pipe[1], &c, 1); + add_post_transport_work (PostTransportAdjustPlaybackBuffering); + _butler->schedule_transport_work (); } void -Session::stop_butler () +Session::schedule_capture_buffering_adjustment () { - Glib::Mutex::Lock lm (butler_request_lock); - char c = ButlerRequest::Pause; - ::write (butler_request_pipe[1], &c, 1); - butler_paused.wait(butler_request_lock); + add_post_transport_work (PostTransportAdjustCaptureBuffering); + _butler->schedule_transport_work (); } void -Session::wait_till_butler_finished () -{ - Glib::Mutex::Lock lm (butler_request_lock); - char c = ButlerRequest::Wake; - ::write (butler_request_pipe[1], &c, 1); - 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() g_atomic_int_get(&butler_should_do_transport_work) - -void * -Session::butler_thread_work () +Session::schedule_curve_reallocation () { - uint32_t err = 0; - int32_t bytes; - bool compute_io; - struct timeval begin, end; - struct pollfd pfd[1]; - bool disk_work_outstanding = false; - DiskstreamList::iterator i; - - butler_mixdown_buffer = new Sample[AudioDiskstream::disk_io_frames()]; - butler_gain_buffer = new gain_t[AudioDiskstream::disk_io_frames()]; - // this buffer is used for temp conversion purposes in filesources - char * conv_buffer = conversion_buffer(ButlerContext); - - while (true) { - pfd[0].fd = butler_request_pipe[0]; - pfd[0].events = POLLIN|POLLERR|POLLHUP; - - if (poll (pfd, 1, (disk_work_outstanding ? 0 : -1)) < 0) { - - if (errno == EINTR) { - continue; - } - - error << string_compose (_("poll on butler request pipe failed (%1)"), - strerror (errno)) - << endmsg; - break; - } - - if (pfd[0].revents & ~POLLIN) { - error << _("Error on butler thread request pipe") << 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; - - case ButlerRequest::Pause: - butler_should_run = false; - break; - - case ButlerRequest::Quit: - pthread_exit_pbd (0); - /*NOTREACHED*/ - break; - - default: - break; - } - - } else if (nread == 0) { - break; - } else if (errno == EAGAIN) { - break; - } else { - fatal << _("Error reading from butler request pipe") << endmsg; - /*NOTREACHED*/ - } - } - } - - //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 (); - } - - disk_work_outstanding = false; - bytes = 0; - compute_io = true; - - gettimeofday (&begin, 0); - - Glib::RWLock::ReaderLock dsm (diskstream_lock); - - for (i = diskstreams.begin(); !transport_work_requested() && butler_should_run && i != diskstreams.end(); ++i) { - // cerr << "rah fondr " << (*i)->io()->name () << endl; - AudioDiskstream* ads = dynamic_cast(*i); - if (!ads) continue; // FIXME - - switch (ads->do_refill (butler_mixdown_buffer, butler_gain_buffer, conv_buffer)) { - case 0: - bytes += ads->read_data_count(); - break; - case 1: - bytes += ads->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 != diskstreams.end()) { - /* we didn't get to all the streams */ - disk_work_outstanding = true; - } - - if (!err && transport_work_requested()) { - continue; - } - - 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); - } - - bytes = 0; - compute_io = true; - gettimeofday (&begin, 0); - - for (i = diskstreams.begin(); !transport_work_requested() && butler_should_run && i != diskstreams.end(); ++i) { - // cerr << "write behind for " << (*i)->name () << endl; - - switch ((*i)->do_flush (conv_buffer)) { - 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. - */ - } - } - - if (err && actively_recording()) { - /* stop the transport and try to catch as much possible - captured state as we can. - */ - request_stop (); - } - - if (i != diskstreams.end()) { - /* we didn't get to all the streams */ - disk_work_outstanding = true; - } - - if (!err && transport_work_requested()) { - continue; - } - - 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); - } - - if (!disk_work_outstanding) { - refresh_disk_space (); - } - - - { - 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) { -// cerr << "AFTER " << (*i)->name() << ": pb = " << (*i)->playback_buffer_load() << " cp = " << (*i)->capture_buffer_load() << endl; -// } - - continue; - } - - butler_paused.signal(); - } - } - - pthread_exit_pbd (0); - /*NOTREACHED*/ - return (0); + add_post_transport_work (PostTransportCurveRealloc); + _butler->schedule_transport_work (); } - void -Session::request_overwrite_buffer (Diskstream* stream) +Session::request_overwrite_buffer (Track* t) { - Event *ev = new Event (Event::Overwrite, Event::Add, Event::Immediate, 0, 0, 0.0); - ev->set_ptr (stream); + SessionEvent *ev = new SessionEvent (SessionEvent::Overwrite, SessionEvent::Add, SessionEvent::Immediate, 0, 0, 0.0); + ev->set_ptr (t); queue_event (ev); } /** Process thread. */ void -Session::overwrite_some_buffers (Diskstream* ds) +Session::overwrite_some_buffers (Track* t) { if (actively_recording()) { return; } - if (ds) { + if (t) { - ds->set_pending_overwrite (true); + t->set_pending_overwrite (true); } else { - Glib::RWLock::ReaderLock dm (diskstream_lock); - for (DiskstreamList::iterator i = diskstreams.begin(); i != diskstreams.end(); ++i) { - (*i)->set_pending_overwrite (true); + boost::shared_ptr rl = routes.reader(); + for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) { + boost::shared_ptr tr = boost::dynamic_pointer_cast (*i); + if (tr) { + tr->set_pending_overwrite (true); + } } } - post_transport_work = PostTransportWork (post_transport_work | PostTransportOverWrite); - schedule_butler_transport_work (); -} - -float -Session::read_data_rate () const -{ - /* 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; -} - -float -Session::write_data_rate () const -{ - /* 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; + add_post_transport_work (PostTransportOverWrite); + _butler->schedule_transport_work (); } uint32_t @@ -433,28 +121,3 @@ Session::capture_load () { return (uint32_t) g_atomic_int_get (&_capture_load); } - -uint32_t -Session::playback_load_min () -{ - return (uint32_t) g_atomic_int_get (&_playback_load_min); -} - -uint32_t -Session::capture_load_min () -{ - return (uint32_t) g_atomic_int_get (&_capture_load_min); -} - -void -Session::reset_capture_load_min () -{ - g_atomic_int_set (&_capture_load_min, 100); -} - - -void -Session::reset_playback_load_min () -{ - g_atomic_int_set (&_playback_load_min, 100); -}