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/*
Copyright (C) 2000 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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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.
*/
#ifdef WAF_BUILD
#include "libardour-config.h"
#endif
#include <cstdio> // Needed so that libraptor (included in lrdf) won't complain
#include <cstdlib>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <time.h>
#ifdef WINDOWS_VST_SUPPORT
#include <fst.h>
#endif
#ifdef LXVST_SUPPORT
#include "ardour/linux_vst_support.h"
#endif
#ifdef AUDIOUNIT_SUPPORT
#include "ardour/audio_unit.h"
#endif
#ifdef __SSE__
#include <xmmintrin.h>
#endif
#ifdef check
#undef check /* stupid Apple and their un-namespaced, generic Carbon macros */
#endif
#include <glibmm/fileutils.h>
#include <glibmm/miscutils.h>
#include <lrdf.h>
#include "pbd/cpus.h"
#include "pbd/error.h"
#include "pbd/id.h"
#include "pbd/pbd.h"
#include "pbd/strsplit.h"
#include "pbd/fpu.h"
#include "pbd/file_utils.h"
#include "pbd/enumwriter.h"
#include "pbd/basename.h"
#include "midi++/port.h"
#include "midi++/mmc.h"
#include "ardour/analyser.h"
#include "ardour/audio_library.h"
#include "ardour/audio_backend.h"
#include "ardour/audioengine.h"
#include "ardour/audioplaylist.h"
#include "ardour/audioregion.h"
#include "ardour/buffer_manager.h"
#include "ardour/control_protocol_manager.h"
#include "ardour/filesystem_paths.h"
#include "ardour/midi_region.h"
#include "ardour/midiport_manager.h"
#include "ardour/mix.h"
#include "ardour/panner_manager.h"
#include "ardour/plugin_manager.h"
#include "ardour/process_thread.h"
#include "ardour/profile.h"
#include "ardour/rc_configuration.h"
#include "ardour/region.h"
#include "ardour/route_group.h"
#include "ardour/runtime_functions.h"
#include "ardour/session_event.h"
#include "ardour/source_factory.h"
#include "audiographer/routines.h"
#if defined (__APPLE__)
#include <Carbon/Carbon.h> // For Gestalt
#endif
#include "i18n.h"
ARDOUR::RCConfiguration* ARDOUR::Config = 0;
ARDOUR::RuntimeProfile* ARDOUR::Profile = 0;
ARDOUR::AudioLibrary* ARDOUR::Library = 0;
using namespace ARDOUR;
using namespace std;
using namespace PBD;
bool libardour_initialized = false;
compute_peak_t ARDOUR::compute_peak = 0;
find_peaks_t ARDOUR::find_peaks = 0;
apply_gain_to_buffer_t ARDOUR::apply_gain_to_buffer = 0;
mix_buffers_with_gain_t ARDOUR::mix_buffers_with_gain = 0;
mix_buffers_no_gain_t ARDOUR::mix_buffers_no_gain = 0;
PBD::Signal1<void,std::string> ARDOUR::BootMessage;
PBD::Signal0<void> ARDOUR::GUIIdle;
namespace ARDOUR {
extern void setup_enum_writer ();
}
/* this is useful for quite a few things that want to check
if any bounds-related property has changed
*/
PBD::PropertyChange ARDOUR::bounds_change;
void
setup_hardware_optimization (bool try_optimization)
{
bool generic_mix_functions = true;
if (try_optimization) {
FPU fpu;
#if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
if (fpu.has_sse()) {
info << "Using SSE optimized routines" << endmsg;
// SSE SET
compute_peak = x86_sse_compute_peak;
find_peaks = x86_sse_find_peaks;
apply_gain_to_buffer = x86_sse_apply_gain_to_buffer;
mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
mix_buffers_no_gain = x86_sse_mix_buffers_no_gain;
generic_mix_functions = false;
}
#elif defined (__APPLE__) && defined (BUILD_VECLIB_OPTIMIZATIONS)
SInt32 sysVersion = 0;
if (noErr != Gestalt(gestaltSystemVersion, &sysVersion))
sysVersion = 0;
if (sysVersion >= 0x00001040) { // Tiger at least
compute_peak = veclib_compute_peak;
find_peaks = veclib_find_peaks;
apply_gain_to_buffer = veclib_apply_gain_to_buffer;
mix_buffers_with_gain = veclib_mix_buffers_with_gain;
mix_buffers_no_gain = veclib_mix_buffers_no_gain;
generic_mix_functions = false;
info << "Apple VecLib H/W specific optimizations in use" << endmsg;
}
#endif
/* consider FPU denormal handling to be "h/w optimization" */
setup_fpu ();
}
if (generic_mix_functions) {
compute_peak = default_compute_peak;
find_peaks = default_find_peaks;
apply_gain_to_buffer = default_apply_gain_to_buffer;
mix_buffers_with_gain = default_mix_buffers_with_gain;
mix_buffers_no_gain = default_mix_buffers_no_gain;
info << "No H/W specific optimizations in use" << endmsg;
}
AudioGrapher::Routines::override_compute_peak (compute_peak);
AudioGrapher::Routines::override_apply_gain_to_buffer (apply_gain_to_buffer);
}
static void
lotsa_files_please ()
{
struct rlimit rl;
if (getrlimit (RLIMIT_NOFILE, &rl) == 0) {
rl.rlim_cur = rl.rlim_max;
if (setrlimit (RLIMIT_NOFILE, &rl) != 0) {
if (rl.rlim_cur == RLIM_INFINITY) {
error << _("Could not set system open files limit to \"unlimited\"") << endmsg;
} else {
error << string_compose (_("Could not set system open files limit to %1"), rl.rlim_cur) << endmsg;
}
} else {
if (rl.rlim_cur != RLIM_INFINITY) {
info << string_compose (_("Your system is configured to limit %1 to only %2 open files"), PROGRAM_NAME, rl.rlim_cur) << endmsg;
}
}
} else {
error << string_compose (_("Could not get system open files limit (%1)"), strerror (errno)) << endmsg;
}
}
bool
ARDOUR::init (bool use_windows_vst, bool try_optimization, const char* localedir)
{
if (libardour_initialized) {
return true;
}
if (!PBD::init()) return false;
#ifdef ENABLE_NLS
(void) bindtextdomain(PACKAGE, localedir);
#endif
SessionEvent::init_event_pool ();
SessionObject::make_property_quarks ();
Region::make_property_quarks ();
MidiRegion::make_property_quarks ();
AudioRegion::make_property_quarks ();
RouteGroup::make_property_quarks ();
Playlist::make_property_quarks ();
AudioPlaylist::make_property_quarks ();
/* this is a useful ready to use PropertyChange that many
things need to check. This avoids having to compose
it every time we want to check for any of the relevant
property changes.
*/
bounds_change.add (ARDOUR::Properties::start);
bounds_change.add (ARDOUR::Properties::position);
bounds_change.add (ARDOUR::Properties::length);
/* provide a state version for the few cases that need it and are not
driven by reading state from disk (e.g. undo/redo)
*/
Stateful::current_state_version = CURRENT_SESSION_FILE_VERSION;
ARDOUR::setup_enum_writer ();
// allow ardour the absolute maximum number of open files
lotsa_files_please ();
lrdf_init();
Library = new AudioLibrary;
BootMessage (_("Loading configuration"));
Config = new RCConfiguration;
if (Config->load_state ()) {
return false;
}
Config->set_use_windows_vst (use_windows_vst);
#ifdef LXVST_SUPPORT
Config->set_use_lxvst(true);
#endif
Profile = new RuntimeProfile;
#ifdef WINDOWS_VST_SUPPORT
if (Config->get_use_windows_vst() && fst_init (0)) {
return false;
}
#endif
#ifdef LXVST_SUPPORT
if (Config->get_use_lxvst() && vstfx_init (0)) {
return false;
}
#endif
#ifdef AUDIOUNIT_SUPPORT
AUPluginInfo::load_cached_info ();
#endif
setup_hardware_optimization (try_optimization);
SourceFactory::init ();
Analyser::init ();
/* singleton - first object is "it" */
(void) PluginManager::instance();
ProcessThread::init ();
/* the + 4 is a bit of a handwave. i don't actually know
how many more per-thread buffer sets we need above
the h/w concurrency, but its definitely > 1 more.
*/
BufferManager::init (hardware_concurrency() + 4);
PannerManager::instance().discover_panners();
// Initialize parameter metadata
EventTypeMap::instance().new_parameter(NullAutomation);
EventTypeMap::instance().new_parameter(GainAutomation);
EventTypeMap::instance().new_parameter(PanAzimuthAutomation);
EventTypeMap::instance().new_parameter(PanElevationAutomation);
EventTypeMap::instance().new_parameter(PanWidthAutomation);
EventTypeMap::instance().new_parameter(PluginAutomation);
EventTypeMap::instance().new_parameter(SoloAutomation);
EventTypeMap::instance().new_parameter(MuteAutomation);
EventTypeMap::instance().new_parameter(MidiCCAutomation);
EventTypeMap::instance().new_parameter(MidiPgmChangeAutomation);
EventTypeMap::instance().new_parameter(MidiPitchBenderAutomation);
EventTypeMap::instance().new_parameter(MidiChannelPressureAutomation);
EventTypeMap::instance().new_parameter(FadeInAutomation);
EventTypeMap::instance().new_parameter(FadeOutAutomation);
EventTypeMap::instance().new_parameter(EnvelopeAutomation);
EventTypeMap::instance().new_parameter(MidiCCAutomation);
ARDOUR::AudioEngine::create ();
libardour_initialized = true;
return true;
}
void
ARDOUR::init_post_engine ()
{
ControlProtocolManager::instance().discover_control_protocols ();
XMLNode* node;
if ((node = Config->control_protocol_state()) != 0) {
ControlProtocolManager::instance().set_state (*node, Stateful::loading_state_version);
}
/* find plugins */
ARDOUR::PluginManager::instance().refresh ();
}
int
ARDOUR::cleanup ()
{
delete Library;
lrdf_cleanup ();
delete &ControlProtocolManager::instance();
#ifdef WINDOWS_VST_SUPPORT
fst_exit ();
#endif
#ifdef LXVST_SUPPORT
vstfx_exit();
#endif
PBD::cleanup ();
return 0;
}
void
ARDOUR::find_bindings_files (map<string,string>& files)
{
vector<std::string> found;
SearchPath spath = ardour_config_search_path();
if (getenv ("ARDOUR_SAE")) {
Glib::PatternSpec pattern("*SAE-*.bindings");
find_matching_files_in_search_path (spath, pattern, found);
} else {
Glib::PatternSpec pattern("*.bindings");
find_matching_files_in_search_path (spath, pattern, found);
}
if (found.empty()) {
return;
}
for (vector<std::string>::iterator x = found.begin(); x != found.end(); ++x) {
std::string path(*x);
pair<string,string> namepath;
namepath.second = path;
namepath.first = PBD::basename_nosuffix (path);
files.insert (namepath);
}
}
bool
ARDOUR::no_auto_connect()
{
return getenv ("ARDOUR_NO_AUTOCONNECT") != 0;
}
void
ARDOUR::setup_fpu ()
{
if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
// valgrind doesn't understand this assembler stuff
// September 10th, 2007
return;
}
#if defined(ARCH_X86) && defined(USE_XMMINTRIN)
int MXCSR;
FPU fpu;
/* XXX use real code to determine if the processor supports
DenormalsAreZero and FlushToZero
*/
if (!fpu.has_flush_to_zero() && !fpu.has_denormals_are_zero()) {
return;
}
MXCSR = _mm_getcsr();
#ifdef DEBUG_DENORMAL_EXCEPTION
/* This will raise a FP exception if a denormal is detected */
MXCSR &= ~_MM_MASK_DENORM;
#endif
switch (Config->get_denormal_model()) {
case DenormalNone:
MXCSR &= ~(_MM_FLUSH_ZERO_ON | 0x40);
break;
case DenormalFTZ:
if (fpu.has_flush_to_zero()) {
MXCSR |= _MM_FLUSH_ZERO_ON;
}
break;
case DenormalDAZ:
MXCSR &= ~_MM_FLUSH_ZERO_ON;
if (fpu.has_denormals_are_zero()) {
MXCSR |= 0x40;
}
break;
case DenormalFTZDAZ:
if (fpu.has_flush_to_zero()) {
if (fpu.has_denormals_are_zero()) {
MXCSR |= _MM_FLUSH_ZERO_ON | 0x40;
} else {
MXCSR |= _MM_FLUSH_ZERO_ON;
}
}
break;
}
_mm_setcsr (MXCSR);
#endif
}
/* this can be changed to modify the translation behaviour for
cases where the user has never expressed a preference.
*/
static const bool translate_by_default = true;
string
ARDOUR::translation_enable_path ()
{
return Glib::build_filename (user_config_directory(), ".translate");
}
bool
ARDOUR::translations_are_enabled ()
{
int fd = ::open (ARDOUR::translation_enable_path().c_str(), O_RDONLY);
if (fd < 0) {
return translate_by_default;
}
char c;
bool ret = false;
if (::read (fd, &c, 1) == 1 && c == '1') {
ret = true;
}
::close (fd);
return ret;
}
bool
ARDOUR::set_translations_enabled (bool yn)
{
string i18n_enabler = ARDOUR::translation_enable_path();
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';
}
::write (fd, &c, 1);
::close (fd);
return true;
}
vector<SyncSource>
ARDOUR::get_available_sync_options ()
{
vector<SyncSource> ret;
ret.push_back (JACK);
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 ()
{
struct timespec ts;
if (clock_gettime (CLOCK_MONOTONIC, &ts) != 0) {
/* EEEK! */
return 0;
}
return (microseconds_t) ts.tv_sec * 1000000 + (ts.tv_nsec/1000);
}
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