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2a8049e039
This number was frequently too small for even medium-sized sessions, causing the code to open/close files via an LRU cache, and doing this during capture for audio files caused a massive decrease in the effective throughput of the system.
628 lines
15 KiB
C++
628 lines
15 KiB
C++
/*
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Copyright (C) 2000 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifdef PLATFORM_WINDOWS
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#include <windows.h>
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#endif
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#ifdef WAF_BUILD
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#include "libardour-config.h"
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#endif
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#ifdef interface
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#undef interface
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#endif
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#include <cstdio> // Needed so that libraptor (included in lrdf) won't complain
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#include <cstdlib>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#ifndef PLATFORM_WINDOWS
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#include <sys/resource.h>
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#endif
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <time.h>
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#ifdef WINDOWS_VST_SUPPORT
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#include <fst.h>
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#endif
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#ifdef LXVST_SUPPORT
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#include "ardour/linux_vst_support.h"
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#endif
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#ifdef AUDIOUNIT_SUPPORT
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#include "ardour/audio_unit.h"
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#endif
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#if defined(__SSE__) || defined(USE_XMMINTRIN)
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#include <xmmintrin.h>
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#endif
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#ifdef check
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#undef check /* stupid Apple and their un-namespaced, generic Carbon macros */
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#endif
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#include <glibmm/fileutils.h>
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#include <glibmm/miscutils.h>
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#ifdef HAVE_LRDF
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#include <lrdf.h>
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#endif
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#include "pbd/cpus.h"
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#include "pbd/error.h"
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#include "pbd/id.h"
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#include "pbd/pbd.h"
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#include "pbd/strsplit.h"
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#include "pbd/fpu.h"
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#include "pbd/file_utils.h"
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#include "pbd/enumwriter.h"
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#include "pbd/basename.h"
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#include "midi++/port.h"
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#include "midi++/mmc.h"
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#include "ardour/analyser.h"
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#include "ardour/audio_library.h"
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#include "ardour/audio_backend.h"
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#include "ardour/audioengine.h"
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#include "ardour/audioplaylist.h"
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#include "ardour/audioregion.h"
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#include "ardour/buffer_manager.h"
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#include "ardour/control_protocol_manager.h"
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#include "ardour/filesystem_paths.h"
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#include "ardour/midi_region.h"
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#include "ardour/midiport_manager.h"
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#include "ardour/mix.h"
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#include "ardour/operations.h"
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#include "ardour/panner_manager.h"
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#include "ardour/plugin_manager.h"
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#include "ardour/process_thread.h"
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#include "ardour/profile.h"
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#include "ardour/rc_configuration.h"
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#include "ardour/region.h"
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#include "ardour/route_group.h"
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#include "ardour/runtime_functions.h"
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#include "ardour/session_event.h"
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#include "ardour/source_factory.h"
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#include "audiographer/routines.h"
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#if defined (__APPLE__)
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#include <Carbon/Carbon.h> // For Gestalt
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#endif
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#include "i18n.h"
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ARDOUR::RCConfiguration* ARDOUR::Config = 0;
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ARDOUR::RuntimeProfile* ARDOUR::Profile = 0;
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ARDOUR::AudioLibrary* ARDOUR::Library = 0;
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using namespace ARDOUR;
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using namespace std;
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using namespace PBD;
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bool libardour_initialized = false;
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compute_peak_t ARDOUR::compute_peak = 0;
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find_peaks_t ARDOUR::find_peaks = 0;
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apply_gain_to_buffer_t ARDOUR::apply_gain_to_buffer = 0;
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mix_buffers_with_gain_t ARDOUR::mix_buffers_with_gain = 0;
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mix_buffers_no_gain_t ARDOUR::mix_buffers_no_gain = 0;
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PBD::Signal1<void,std::string> ARDOUR::BootMessage;
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PBD::Signal3<void,std::string,std::string,bool> ARDOUR::PluginScanMessage;
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PBD::Signal1<void,int> ARDOUR::PluginScanTimeout;
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PBD::Signal0<void> ARDOUR::GUIIdle;
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namespace ARDOUR {
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extern void setup_enum_writer ();
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}
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/* this is useful for quite a few things that want to check
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if any bounds-related property has changed
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*/
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PBD::PropertyChange ARDOUR::bounds_change;
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void
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setup_hardware_optimization (bool try_optimization)
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{
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bool generic_mix_functions = true;
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if (try_optimization) {
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FPU fpu;
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#if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
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if (fpu.has_sse()) {
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info << "Using SSE optimized routines" << endmsg;
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// SSE SET
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compute_peak = x86_sse_compute_peak;
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find_peaks = x86_sse_find_peaks;
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apply_gain_to_buffer = x86_sse_apply_gain_to_buffer;
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mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
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mix_buffers_no_gain = x86_sse_mix_buffers_no_gain;
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generic_mix_functions = false;
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}
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#elif defined (__APPLE__) && defined (BUILD_VECLIB_OPTIMIZATIONS)
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SInt32 sysVersion = 0;
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if (noErr != Gestalt(gestaltSystemVersion, &sysVersion))
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sysVersion = 0;
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if (sysVersion >= 0x00001040) { // Tiger at least
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compute_peak = veclib_compute_peak;
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find_peaks = veclib_find_peaks;
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apply_gain_to_buffer = veclib_apply_gain_to_buffer;
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mix_buffers_with_gain = veclib_mix_buffers_with_gain;
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mix_buffers_no_gain = veclib_mix_buffers_no_gain;
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generic_mix_functions = false;
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info << "Apple VecLib H/W specific optimizations in use" << endmsg;
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}
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#endif
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/* consider FPU denormal handling to be "h/w optimization" */
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setup_fpu ();
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}
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if (generic_mix_functions) {
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compute_peak = default_compute_peak;
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find_peaks = default_find_peaks;
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apply_gain_to_buffer = default_apply_gain_to_buffer;
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mix_buffers_with_gain = default_mix_buffers_with_gain;
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mix_buffers_no_gain = default_mix_buffers_no_gain;
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info << "No H/W specific optimizations in use" << endmsg;
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}
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AudioGrapher::Routines::override_compute_peak (compute_peak);
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AudioGrapher::Routines::override_apply_gain_to_buffer (apply_gain_to_buffer);
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}
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static void
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lotsa_files_please ()
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{
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#ifndef PLATFORM_WINDOWS
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struct rlimit rl;
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if (getrlimit (RLIMIT_NOFILE, &rl) == 0) {
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#ifdef __APPLE__
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/* See the COMPATIBILITY note on the Apple setrlimit() man page */
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rl.rlim_cur = min ((rlim_t) OPEN_MAX, rl.rlim_max);
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#else
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rl.rlim_cur = rl.rlim_max;
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#endif
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if (setrlimit (RLIMIT_NOFILE, &rl) != 0) {
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if (rl.rlim_cur == RLIM_INFINITY) {
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error << _("Could not set system open files limit to \"unlimited\"") << endmsg;
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} else {
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error << string_compose (_("Could not set system open files limit to %1"), rl.rlim_cur) << endmsg;
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}
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} else {
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if (rl.rlim_cur != RLIM_INFINITY) {
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info << string_compose (_("Your system is configured to limit %1 to only %2 open files"), PROGRAM_NAME, rl.rlim_cur) << endmsg;
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}
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}
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} else {
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error << string_compose (_("Could not get system open files limit (%1)"), strerror (errno)) << endmsg;
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}
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#endif
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}
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bool
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ARDOUR::init (bool use_windows_vst, bool try_optimization, const char* localedir)
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{
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if (libardour_initialized) {
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return true;
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}
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if (!PBD::init()) return false;
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#ifdef ENABLE_NLS
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(void) bindtextdomain(PACKAGE, localedir);
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(void) bind_textdomain_codeset (PACKAGE, "UTF-8");
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#endif
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SessionEvent::init_event_pool ();
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Operations::make_operations_quarks ();
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SessionObject::make_property_quarks ();
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Region::make_property_quarks ();
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MidiRegion::make_property_quarks ();
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AudioRegion::make_property_quarks ();
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RouteGroup::make_property_quarks ();
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Playlist::make_property_quarks ();
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AudioPlaylist::make_property_quarks ();
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/* this is a useful ready to use PropertyChange that many
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things need to check. This avoids having to compose
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it every time we want to check for any of the relevant
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property changes.
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*/
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bounds_change.add (ARDOUR::Properties::start);
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bounds_change.add (ARDOUR::Properties::position);
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bounds_change.add (ARDOUR::Properties::length);
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/* provide a state version for the few cases that need it and are not
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driven by reading state from disk (e.g. undo/redo)
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*/
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Stateful::current_state_version = CURRENT_SESSION_FILE_VERSION;
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ARDOUR::setup_enum_writer ();
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// allow ardour the absolute maximum number of open files
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lotsa_files_please ();
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#ifdef HAVE_LRDF
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lrdf_init();
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#endif
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Library = new AudioLibrary;
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BootMessage (_("Loading configuration"));
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Config = new RCConfiguration;
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if (Config->load_state ()) {
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return false;
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}
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Config->set_use_windows_vst (use_windows_vst);
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#ifdef LXVST_SUPPORT
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Config->set_use_lxvst(true);
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#endif
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Profile = new RuntimeProfile;
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#ifdef WINDOWS_VST_SUPPORT
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if (Config->get_use_windows_vst() && fst_init (0)) {
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return false;
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}
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#endif
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#ifdef LXVST_SUPPORT
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if (Config->get_use_lxvst() && vstfx_init (0)) {
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return false;
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}
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#endif
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#ifdef AUDIOUNIT_SUPPORT
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AUPluginInfo::load_cached_info ();
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#endif
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setup_hardware_optimization (try_optimization);
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SourceFactory::init ();
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Analyser::init ();
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/* singleton - first object is "it" */
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(void) PluginManager::instance();
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ProcessThread::init ();
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/* the + 4 is a bit of a handwave. i don't actually know
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how many more per-thread buffer sets we need above
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the h/w concurrency, but its definitely > 1 more.
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*/
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BufferManager::init (hardware_concurrency() + 4);
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PannerManager::instance().discover_panners();
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// Initialize parameter metadata
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EventTypeMap::instance().new_parameter(NullAutomation);
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EventTypeMap::instance().new_parameter(GainAutomation);
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EventTypeMap::instance().new_parameter(PanAzimuthAutomation);
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EventTypeMap::instance().new_parameter(PanElevationAutomation);
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EventTypeMap::instance().new_parameter(PanWidthAutomation);
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EventTypeMap::instance().new_parameter(PluginAutomation);
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EventTypeMap::instance().new_parameter(SoloAutomation);
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EventTypeMap::instance().new_parameter(MuteAutomation);
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EventTypeMap::instance().new_parameter(MidiCCAutomation);
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EventTypeMap::instance().new_parameter(MidiPgmChangeAutomation);
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EventTypeMap::instance().new_parameter(MidiPitchBenderAutomation);
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EventTypeMap::instance().new_parameter(MidiChannelPressureAutomation);
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EventTypeMap::instance().new_parameter(FadeInAutomation);
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EventTypeMap::instance().new_parameter(FadeOutAutomation);
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EventTypeMap::instance().new_parameter(EnvelopeAutomation);
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EventTypeMap::instance().new_parameter(MidiCCAutomation);
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ARDOUR::AudioEngine::create ();
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libardour_initialized = true;
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return true;
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}
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void
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ARDOUR::init_post_engine ()
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{
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ControlProtocolManager::instance().discover_control_protocols ();
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XMLNode* node;
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if ((node = Config->control_protocol_state()) != 0) {
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ControlProtocolManager::instance().set_state (*node, Stateful::loading_state_version);
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}
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/* find plugins */
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ARDOUR::PluginManager::instance().refresh (!Config->get_discover_vst_on_start());
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}
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void
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ARDOUR::cleanup ()
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{
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if (!libardour_initialized) {
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return;
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}
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ARDOUR::AudioEngine::destroy ();
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delete Library;
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#ifdef HAVE_LRDF
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lrdf_cleanup ();
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#endif
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delete &ControlProtocolManager::instance();
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#ifdef WINDOWS_VST_SUPPORT
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fst_exit ();
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#endif
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#ifdef LXVST_SUPPORT
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vstfx_exit();
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#endif
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delete &PluginManager::instance();
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delete Config;
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PBD::cleanup ();
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return;
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}
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void
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ARDOUR::find_bindings_files (map<string,string>& files)
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{
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vector<std::string> found;
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Searchpath spath = ardour_config_search_path();
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if (getenv ("ARDOUR_SAE")) {
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find_files_matching_pattern (found, spath, "*SAE-*.bindings");
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} else {
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find_files_matching_pattern (found, spath, "*.bindings");
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}
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if (found.empty()) {
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return;
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}
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for (vector<std::string>::iterator x = found.begin(); x != found.end(); ++x) {
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std::string path(*x);
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pair<string,string> namepath;
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namepath.second = path;
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namepath.first = PBD::basename_nosuffix (path);
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files.insert (namepath);
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}
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}
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bool
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ARDOUR::no_auto_connect()
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{
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return getenv ("ARDOUR_NO_AUTOCONNECT") != 0;
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}
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void
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ARDOUR::setup_fpu ()
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{
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if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
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// valgrind doesn't understand this assembler stuff
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// September 10th, 2007
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return;
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}
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#if defined(ARCH_X86) && defined(USE_XMMINTRIN)
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int MXCSR;
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FPU fpu;
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/* XXX use real code to determine if the processor supports
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DenormalsAreZero and FlushToZero
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*/
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if (!fpu.has_flush_to_zero() && !fpu.has_denormals_are_zero()) {
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return;
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}
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MXCSR = _mm_getcsr();
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#ifdef DEBUG_DENORMAL_EXCEPTION
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/* This will raise a FP exception if a denormal is detected */
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MXCSR &= ~_MM_MASK_DENORM;
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#endif
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switch (Config->get_denormal_model()) {
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case DenormalNone:
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MXCSR &= ~(_MM_FLUSH_ZERO_ON | 0x40);
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break;
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case DenormalFTZ:
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if (fpu.has_flush_to_zero()) {
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MXCSR |= _MM_FLUSH_ZERO_ON;
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}
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break;
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case DenormalDAZ:
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MXCSR &= ~_MM_FLUSH_ZERO_ON;
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if (fpu.has_denormals_are_zero()) {
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MXCSR |= 0x40;
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}
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break;
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case DenormalFTZDAZ:
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if (fpu.has_flush_to_zero()) {
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if (fpu.has_denormals_are_zero()) {
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MXCSR |= _MM_FLUSH_ZERO_ON | 0x40;
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} else {
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MXCSR |= _MM_FLUSH_ZERO_ON;
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}
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}
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break;
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}
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_mm_setcsr (MXCSR);
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#endif
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}
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/* this can be changed to modify the translation behaviour for
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cases where the user has never expressed a preference.
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*/
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static const bool translate_by_default = true;
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string
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ARDOUR::translation_enable_path ()
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{
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return Glib::build_filename (user_config_directory(), ".translate");
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}
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bool
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ARDOUR::translations_are_enabled ()
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{
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int fd = ::open (ARDOUR::translation_enable_path().c_str(), O_RDONLY);
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if (fd < 0) {
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return translate_by_default;
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}
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char c;
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bool ret = false;
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if (::read (fd, &c, 1) == 1 && c == '1') {
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ret = true;
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}
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::close (fd);
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return ret;
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}
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bool
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ARDOUR::set_translations_enabled (bool yn)
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{
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string i18n_enabler = ARDOUR::translation_enable_path();
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int fd = ::open (i18n_enabler.c_str(), O_WRONLY|O_CREAT|O_TRUNC, 0644);
|
|
|
|
if (fd < 0) {
|
|
return false;
|
|
}
|
|
|
|
char c;
|
|
|
|
if (yn) {
|
|
c = '1';
|
|
} else {
|
|
c = '0';
|
|
}
|
|
|
|
(void) ::write (fd, &c, 1);
|
|
(void) ::close (fd);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
vector<SyncSource>
|
|
ARDOUR::get_available_sync_options ()
|
|
{
|
|
vector<SyncSource> ret;
|
|
|
|
boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend();
|
|
if (backend && backend->name() == "JACK") {
|
|
ret.push_back (Engine);
|
|
}
|
|
|
|
ret.push_back (MTC);
|
|
ret.push_back (MIDIClock);
|
|
ret.push_back (LTC);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/** Return a monotonic value for the number of microseconds that have elapsed
|
|
* since an arbitrary zero origin.
|
|
*/
|
|
|
|
#ifdef __MACH__
|
|
/* Thanks Apple for not implementing this basic SUSv2, POSIX.1-2001 function
|
|
*/
|
|
#include <mach/mach_time.h>
|
|
#define CLOCK_REALTIME 0
|
|
#define CLOCK_MONOTONIC 0
|
|
int
|
|
clock_gettime (int /*clk_id*/, struct timespec *t)
|
|
{
|
|
static bool initialized = false;
|
|
static mach_timebase_info_data_t timebase;
|
|
if (!initialized) {
|
|
mach_timebase_info(&timebase);
|
|
initialized = true;
|
|
}
|
|
uint64_t time;
|
|
time = mach_absolute_time();
|
|
double nseconds = ((double)time * (double)timebase.numer)/((double)timebase.denom);
|
|
double seconds = ((double)time * (double)timebase.numer)/((double)timebase.denom * 1e9);
|
|
t->tv_sec = seconds;
|
|
t->tv_nsec = nseconds;
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
microseconds_t
|
|
ARDOUR::get_microseconds ()
|
|
{
|
|
#ifdef PLATFORM_WINDOWS
|
|
microseconds_t ret = 0;
|
|
LARGE_INTEGER freq, time;
|
|
|
|
if (QueryPerformanceFrequency(&freq))
|
|
if (QueryPerformanceCounter(&time))
|
|
ret = (microseconds_t)((time.QuadPart * 1000000) / freq.QuadPart);
|
|
|
|
return ret;
|
|
#else
|
|
struct timespec ts;
|
|
if (clock_gettime (CLOCK_MONOTONIC, &ts) != 0) {
|
|
/* EEEK! */
|
|
return 0;
|
|
}
|
|
return (microseconds_t) ts.tv_sec * 1000000 + (ts.tv_nsec/1000);
|
|
#endif
|
|
}
|