diff options
author | Paul Davis <paul@linuxaudiosystems.com> | 2006-06-14 21:28:00 +0000 |
---|---|---|
committer | Paul Davis <paul@linuxaudiosystems.com> | 2006-06-14 21:28:00 +0000 |
commit | a999381a8442f8adb1482aecb41557e387d2d88d (patch) | |
tree | 3bf63c2ee89a1955989996ebfd6aaa5928fa64ad /libs | |
parent | aff241abf18dd4cc6874ece06fffa753ea32b1b8 (diff) |
more file add/remove ops related to sndfile changes
git-svn-id: svn://localhost/ardour2/trunk@591 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs')
-rw-r--r-- | libs/ardour/ardour/audiofilesource.h | 157 | ||||
-rw-r--r-- | libs/ardour/ardour/audiosource.h | 166 | ||||
-rw-r--r-- | libs/ardour/ardour/externalsource.h | 67 | ||||
-rw-r--r-- | libs/ardour/audiofilesource.cc | 661 | ||||
-rw-r--r-- | libs/ardour/audiosource.cc | 897 | ||||
-rw-r--r-- | libs/ardour/externalsource.cc | 246 |
6 files changed, 1881 insertions, 313 deletions
diff --git a/libs/ardour/ardour/audiofilesource.h b/libs/ardour/ardour/audiofilesource.h new file mode 100644 index 0000000000..ecbac569d5 --- /dev/null +++ b/libs/ardour/ardour/audiofilesource.h @@ -0,0 +1,157 @@ +/* + Copyright (C) 2006 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. + +*/ + +#ifndef __ardour_audiofilesource_h__ +#define __ardour_audiofilesource_h__ + +#include <time.h> + +#include <ardour/audiosource.h> + +namespace ARDOUR { + +struct SoundFileInfo { + float samplerate; + uint16_t channels; + int64_t length; + std::string format_name; +}; + +class AudioFileSource : public AudioSource { + public: + enum Flag { + Writable = 0x1, + CanRename = 0x2, + Broadcast = 0x4, + Removable = 0x8, + RemovableIfEmpty = 0x10, + RemoveAtDestroy = 0x20, + BuildPeaks = 0x40 + }; + + virtual ~AudioFileSource (); + + int set_name (string newname, bool destructive); + + string path() const { return _path; } + string peak_path (string audio_path); + string old_peak_path (string audio_path); + + static void set_peak_dir (string dir) { peak_dir = dir; } + + /* factory for an existing but not-used-in-session audio file. this exists + because there maybe multiple back-end derivations of AudioFileSource, + some of which can handle formats that cannot be handled by others. + For example, CoreAudioFileSource can handle MP3 files, which SndFileSource + cannot. + */ + + static AudioFileSource* create (string path_plus_channel); + static AudioFileSource* create (const XMLNode&); + + static bool get_soundfile_info (string path, SoundFileInfo& _info, string& error); + + void set_allow_remove_if_empty (bool yn); + void mark_for_remove(); + + /* this block of methods do nothing for regular file sources, but are significant + for files used in destructive recording. + */ + + virtual jack_nframes_t last_capture_start_frame() const { return 0; } + virtual void mark_capture_start (jack_nframes_t) {} + virtual void mark_capture_end () {} + virtual void clear_capture_marks() {} + + virtual int update_header (jack_nframes_t when, struct tm&, time_t) = 0; + virtual int flush_header () = 0; + + int move_to_trash (const string trash_dir_name); + + static bool is_empty (string path); + void mark_streaming_write_completed (); + + void mark_take (string); + string take_id() const { return _take_id; } + + static void set_bwf_country_code (string x); + static void set_bwf_organization_code (string x); + static void set_bwf_serial_number (int); + + static void set_search_path (string); + static void set_header_position_offset (jack_nframes_t offset, bool negative); + + static sigc::signal<void,struct tm*, time_t> HeaderPositionOffsetChanged; + + XMLNode& get_state (); + int set_state (const XMLNode&); + + /* this should really be protected, but C++ is getting stricter + and creating slots from protected member functions is starting + to cause issues. + */ + + void handle_header_position_change (struct tm*, time_t tnow); + + protected: + + /* constructor to be called for existing external-to-session files */ + + AudioFileSource (std::string path, Flag flags); + + /* constructor to be called for new in-session files */ + + AudioFileSource (std::string path, Flag flags, + SampleFormat samp_format, HeaderFormat hdr_format); + + /* constructor to be called for existing in-session files */ + + AudioFileSource (const XMLNode&); + + int init (string idstr, bool must_exist); + + uint16_t channel; + string _path; + Flag _flags; + string _take_id; + bool allow_remove_if_empty; + uint64_t timeline_position; + + static string peak_dir; + static string search_path; + + static char bwf_country_code[3]; + static char bwf_organization_code[4]; + static char bwf_serial_number[13]; + + static uint64_t header_position_offset; + static bool header_position_negative; + + virtual void set_timeline_position (jack_nframes_t pos); + virtual void set_header_timeline_position () = 0; + + bool find (std::string path, bool must_exist, bool& is_new); + bool removable() const; + bool writable() const { return _flags & Writable; } +}; + +}; /* namespace ARDOUR */ + +#endif /* __ardour_audiofilesource_h__ */ + diff --git a/libs/ardour/ardour/audiosource.h b/libs/ardour/ardour/audiosource.h new file mode 100644 index 0000000000..1dcf5b42f3 --- /dev/null +++ b/libs/ardour/ardour/audiosource.h @@ -0,0 +1,166 @@ +/* + 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. + + $Id: audio_source.h 486 2006-04-27 09:04:24Z pauld $ +*/ + +#ifndef __ardour_audio_source_h__ +#define __ardour_audio_source_h__ + +#include <list> +#include <vector> +#include <string> + +#include <time.h> + +#include <glibmm/thread.h> + +#include <sigc++/signal.h> + +#include <ardour/source.h> +#include <ardour/ardour.h> +#include <ardour/stateful.h> +#include <pbd/xml++.h> + +using std::list; +using std::vector; +using std::string; + +namespace ARDOUR { + +const jack_nframes_t frames_per_peak = 256; + +class AudioSource : public Source +{ + public: + AudioSource (string name); + AudioSource (const XMLNode&); + virtual ~AudioSource (); + + /* returns the number of items in this `audio_source' */ + + virtual jack_nframes_t length() const { + return _length; + } + + virtual jack_nframes_t available_peaks (double zoom) const; + + virtual jack_nframes_t read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const; + virtual jack_nframes_t write (Sample *src, jack_nframes_t cnt, char * workbuf); + + virtual float sample_rate () const = 0; + + virtual void mark_for_remove() = 0; + virtual void mark_streaming_write_completed () {} + + void set_captured_for (string str) { _captured_for = str; } + string captured_for() const { return _captured_for; } + + uint32_t read_data_count() const { return _read_data_count; } + uint32_t write_data_count() const { return _write_data_count; } + + int read_peaks (PeakData *peaks, jack_nframes_t npeaks, jack_nframes_t start, jack_nframes_t cnt, double samples_per_unit) const; + int build_peaks (); + bool peaks_ready (sigc::slot<void>, sigc::connection&) const; + + static sigc::signal<void,AudioSource*> AudioSourceCreated; + + mutable sigc::signal<void> PeaksReady; + mutable sigc::signal<void,jack_nframes_t,jack_nframes_t> PeakRangeReady; + + XMLNode& get_state (); + int set_state (const XMLNode&); + + static int start_peak_thread (); + static void stop_peak_thread (); + + int rename_peakfile (std::string newpath); + + static void set_build_missing_peakfiles (bool yn) { + _build_missing_peakfiles = yn; + } + + static void set_build_peakfiles (bool yn) { + _build_peakfiles = yn; + } + + protected: + static bool _build_missing_peakfiles; + static bool _build_peakfiles; + + bool _peaks_built; + mutable Glib::Mutex _lock; + jack_nframes_t _length; + bool next_peak_clear_should_notify; + string peakpath; + string _captured_for; + + mutable uint32_t _read_data_count; // modified in read() + mutable uint32_t _write_data_count; // modified in write() + + int initialize_peakfile (bool newfile, string path); + void build_peaks_from_scratch (); + + int do_build_peak (jack_nframes_t, jack_nframes_t); + + virtual jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const = 0; + virtual jack_nframes_t write_unlocked (Sample *dst, jack_nframes_t cnt, char * workbuf) = 0; + virtual string peak_path(string audio_path) = 0; + virtual string old_peak_path(string audio_path) = 0; + + void update_length (jack_nframes_t pos, jack_nframes_t cnt); + + static pthread_t peak_thread; + static bool have_peak_thread; + static void* peak_thread_work(void*); + + static int peak_request_pipe[2]; + + struct PeakRequest { + enum Type { + Build, + Quit + }; + }; + + static vector<AudioSource*> pending_peak_sources; + static Glib::Mutex* pending_peak_sources_lock; + + static void queue_for_peaks (AudioSource&); + static void clear_queue_for_peaks (); + + struct PeakBuildRecord { + jack_nframes_t frame; + jack_nframes_t cnt; + + PeakBuildRecord (jack_nframes_t f, jack_nframes_t c) + : frame (f), cnt (c) {} + PeakBuildRecord (const PeakBuildRecord& other) { + frame = other.frame; + cnt = other.cnt; + } + }; + + list<AudioSource::PeakBuildRecord *> pending_peak_builds; + + private: + bool file_changed (string path); +}; + +} + +#endif /* __ardour_audio_source_h__ */ diff --git a/libs/ardour/ardour/externalsource.h b/libs/ardour/ardour/externalsource.h deleted file mode 100644 index 17504d0afc..0000000000 --- a/libs/ardour/ardour/externalsource.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - Copyright (C) 2006 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. - -*/ - -#ifndef __external_source_h__ -#define __external_source_h__ - -#include <ardour/source.h> - -namespace ARDOUR { - -struct SoundFileInfo { - float samplerate; - uint16_t channels; - int64_t length; - std::string format_name; -}; - -class ExternalSource : public Source { - public: - virtual ~ExternalSource (); - - string path() const { return _path; } - - virtual jack_nframes_t read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const = 0; - - void mark_for_remove() {} // we never remove external sndfiles - string peak_path(string audio_path); - string old_peak_path(string audio_path); - - static void set_peak_dir (string dir) { peak_dir = dir; } - - static ExternalSource* create (const string& path_plus_channel, bool build_peak = true); - static ExternalSource* create (const XMLNode& node); - static bool get_soundfile_info (string path, SoundFileInfo& _info, string& error); - - protected: - ExternalSource (const string& path_plus_channel, bool build_peak = true); - ExternalSource (const XMLNode&); - - static string peak_dir; - - uint16_t channel; - string _path; - - jack_nframes_t read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const; -}; - -}; /* namespace ARDOUR */ - -#endif /* __external_source_h__ */ - diff --git a/libs/ardour/audiofilesource.cc b/libs/ardour/audiofilesource.cc new file mode 100644 index 0000000000..fbddcdafdf --- /dev/null +++ b/libs/ardour/audiofilesource.cc @@ -0,0 +1,661 @@ +/* + Copyright (C) 2006 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. + +*/ + +#include <vector> + +#include <sys/time.h> +#include <sys/stat.h> +#include <unistd.h> +#include <errno.h> + +#include <pbd/mountpoint.h> +#include <pbd/pathscanner.h> +#include <pbd/stl_delete.h> +#include <pbd/strsplit.h> + +#include <sndfile.h> + +#include <glibmm/miscutils.h> + +#include <ardour/audiofilesource.h> +#include <ardour/sndfile_helpers.h> +#include <ardour/sndfilesource.h> +#include <ardour/destructive_filesource.h> +#include <ardour/session.h> + +// if these headers come before sigc++ is included +// the parser throws ObjC++ errors. (nil is a keyword) +#ifdef HAVE_COREAUDIO +#include <ardour/coreaudio_source.h> +#include <AudioToolbox/ExtendedAudioFile.h> +#include <AudioToolbox/AudioFormat.h> +#endif // HAVE_COREAUDIO + +#include "i18n.h" + +using namespace ARDOUR; + +string AudioFileSource::peak_dir = ""; +string AudioFileSource::search_path; + +sigc::signal<void,struct tm*, time_t> AudioFileSource::HeaderPositionOffsetChanged; +bool AudioFileSource::header_position_negative; +uint64_t AudioFileSource::header_position_offset; + +char AudioFileSource::bwf_country_code[3] = "US"; +char AudioFileSource::bwf_organization_code[4] = "LAS"; +char AudioFileSource::bwf_serial_number[13] = "000000000000"; + +AudioFileSource::AudioFileSource (string idstr, Flag flags) + : AudioSource (idstr), _flags (flags) +{ + /* constructor used for existing external to session files. file must exist already */ + + if (init (idstr, true)) { + throw failed_constructor (); + } + +} + +AudioFileSource::AudioFileSource (std::string path, Flag flags, SampleFormat samp_format, HeaderFormat hdr_format) + : AudioSource (path), _flags (flags) +{ + /* constructor used for new internal-to-session files. file cannot exist */ + + if (init (path, false)) { + throw failed_constructor (); + } +} + +AudioFileSource::AudioFileSource (const XMLNode& node) + : AudioSource (node), _flags (Flag (Writable|CanRename)) +{ + /* constructor used for existing internal-to-session files. file must exist */ + + if (set_state (node)) { + throw failed_constructor (); + } + + if (init (_name, true)) { + throw failed_constructor (); + } +} + +AudioFileSource::~AudioFileSource () +{ + if (removable()) { + unlink (_path.c_str()); + unlink (peakpath.c_str()); + } +} + +bool +AudioFileSource::removable () const +{ + return (_flags & Removable) && ((_flags & RemoveAtDestroy) || + ((_flags & RemovableIfEmpty) && is_empty (_path))); +} + +int +AudioFileSource::init (string pathstr, bool must_exist) +{ + bool is_new = false; + + _length = 0; + next_peak_clear_should_notify = false; + + if (!find (pathstr, must_exist, is_new)) { + cerr << "cannot find " << pathstr << " with me = " << must_exist << endl; + return -1; + } + + if (is_new && must_exist) { + return -1; + } + + return 0; +} + + +string +AudioFileSource::peak_path (string audio_path) +{ + return Session::peak_path_from_audio_path (audio_path); +} + +string +AudioFileSource::old_peak_path (string audio_path) +{ + /* XXX hardly bombproof! fix me */ + + struct stat stat_file; + struct stat stat_mount; + + string mp = mountpoint (audio_path); + + stat (audio_path.c_str(), &stat_file); + stat (mp.c_str(), &stat_mount); + + char buf[32]; +#ifdef __APPLE__ + snprintf (buf, sizeof (buf), "%u-%u-%d.peak", stat_mount.st_ino, stat_file.st_ino, channel); +#else + snprintf (buf, sizeof (buf), "%ld-%ld-%d.peak", stat_mount.st_ino, stat_file.st_ino, channel); +#endif + + string res = peak_dir; + res += buf; + + return res; +} + +#ifdef HAVE_COREAUDIO + +AudioFileSource* +AudioFileSource::create (const XMLNode& node) +{ + AudioFileSource* es = 0; + + if (node.property (X_("destructive")) != 0) { + + es = new DestructiveFileSource (node); + + } else { + + try { + es = new CoreAudioSource (node); + } + + + catch (failed_constructor& err) { + es = new SndFileSource (node); + } + } + + return es; +} + +#else + +AudioFileSource* +AudioFileSource::create (const XMLNode& node) +{ + if (node.property (X_("destructive")) != 0) { + + return new DestructiveFileSource (node); + + } else { + + return new SndFileSource (node); + } +} + +#endif // HAVE_COREAUDIO + +#ifdef HAVE_COREAUDIO +AudioFileSource* +AudioFileSource::create (const string& idstr) +{ + AudioFileSource* es = 0; + + try { + es = new CoreAudioSource (idstr); + } + + catch (failed_constructor& err) { + es = new SndFileSource (idstr); + } + + return es; +} + +#else + +AudioFileSource* +AudioFileSource::create (string idstr) +{ + return new SndFileSource (idstr); +} + +#endif // HAVE_COREAUDIO + +#ifdef HAVE_COREAUDIO +std::string +CFStringRefToStdString(CFStringRef stringRef) +{ + CFIndex size = + CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) , + kCFStringEncodingASCII); + char *buf = new char[size]; + + std::string result; + + if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingASCII)) { + result = buf; + } + delete [] buf; + return result; +} +#endif // HAVE_COREAUDIO + +bool +AudioFileSource::get_soundfile_info (string path, SoundFileInfo& _info, string& error_msg) +{ +#ifdef HAVE_COREAUDIO + OSStatus err = noErr; + FSRef ref; + ExtAudioFileRef af = 0; + size_t size; + CFStringRef name; + + err = FSPathMakeRef ((UInt8*)path.c_str(), &ref, 0); + if (err != noErr) { + ExtAudioFileDispose (af); + goto libsndfile; + } + + err = ExtAudioFileOpen(&ref, &af); + if (err != noErr) { + ExtAudioFileDispose (af); + goto libsndfile; + } + + AudioStreamBasicDescription absd; + memset(&absd, 0, sizeof(absd)); + size = sizeof(AudioStreamBasicDescription); + err = ExtAudioFileGetProperty(af, + kExtAudioFileProperty_FileDataFormat, &size, &absd); + if (err != noErr) { + ExtAudioFileDispose (af); + goto libsndfile; + } + + _info.samplerate = absd.mSampleRate; + _info.channels = absd.mChannelsPerFrame; + + size = sizeof(_info.length); + err = ExtAudioFileGetProperty(af, kExtAudioFileProperty_FileLengthFrames, &size, &_info.length); + if (err != noErr) { + ExtAudioFileDispose (af); + goto libsndfile; + } + + size = sizeof(CFStringRef); + err = AudioFormatGetProperty( + kAudioFormatProperty_FormatName, sizeof(absd), &absd, &size, &name); + if (err != noErr) { + ExtAudioFileDispose (af); + goto libsndfile; + } + + _info.format_name = CFStringRefToStdString(name); + + ExtAudioFileDispose (af); + return true; + +libsndfile: +#endif // HAVE_COREAUDIO + + SNDFILE *sf; + SF_INFO sf_info; + + sf_info.format = 0; // libsndfile says to clear this before sf_open(). + + if ((sf = sf_open ((char*) path.c_str(), SFM_READ, &sf_info)) == 0) { + char errbuf[256]; + error_msg = sf_error_str (0, errbuf, sizeof (errbuf) - 1); + return false; + } + + sf_close (sf); + + _info.samplerate = sf_info.samplerate; + _info.channels = sf_info.channels; + _info.length = sf_info.frames; + _info.format_name = string_compose("Format: %1, %2", + sndfile_major_format(sf_info.format), + sndfile_minor_format(sf_info.format)); + return true; +} + +XMLNode& +AudioFileSource::get_state () +{ + XMLNode& root (AudioSource::get_state()); + char buf[16]; + snprintf (buf, sizeof (buf), "0x%x", (int)_flags); + root.add_property ("flags", buf); + return root; +} + +int +AudioFileSource::set_state (const XMLNode& node) +{ + const XMLProperty* prop; + + if (AudioSource::set_state (node)) { + return -1; + } + + if ((prop = node.property (X_("flags"))) != 0) { + + int ival; + sscanf (prop->value().c_str(), "0x%x", &ival); + _flags = Flag (ival); + + } else { + + _flags = Flag (0); + + } + + return 0; +} + +void +AudioFileSource::mark_for_remove () +{ + if (!writable()) { + return; + } + _flags = Flag (_flags | RemoveAtDestroy); +} + +void +AudioFileSource::mark_streaming_write_completed () +{ + if (!writable()) { + return; + } + + Glib::Mutex::Lock lm (_lock); + + next_peak_clear_should_notify = true; + + if (_peaks_built || pending_peak_builds.empty()) { + _peaks_built = true; + PeaksReady (); /* EMIT SIGNAL */ + } +} + +void +AudioFileSource::mark_take (string id) +{ + if (writable()) { + _take_id = id; + } +} + +int +AudioFileSource::move_to_trash (const string trash_dir_name) +{ + string newpath; + + if (!writable()) { + return -1; + } + + /* don't move the file across filesystems, just + stick it in the `trash_dir_name' directory + on whichever filesystem it was already on. + */ + + newpath = Glib::path_get_dirname (_path); + newpath = Glib::path_get_dirname (newpath); + + newpath += '/'; + newpath += trash_dir_name; + newpath += '/'; + newpath += Glib::path_get_basename (_path); + + if (access (newpath.c_str(), F_OK) == 0) { + + /* the new path already exists, try versioning */ + + char buf[PATH_MAX+1]; + int version = 1; + string newpath_v; + + snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), version); + newpath_v = buf; + + while (access (newpath_v.c_str(), F_OK) == 0 && version < 999) { + snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), ++version); + newpath_v = buf; + } + + if (version == 999) { + error << string_compose (_("there are already 1000 files with names like %1; versioning discontinued"), + newpath) + << endmsg; + } else { + newpath = newpath_v; + } + + } else { + + /* it doesn't exist, or we can't read it or something */ + + } + + if (::rename (_path.c_str(), newpath.c_str()) != 0) { + error << string_compose (_("cannot rename audio file source from %1 to %2 (%3)"), + _path, newpath, strerror (errno)) + << endmsg; + return -1; + } + + if (::unlink (peakpath.c_str()) != 0) { + error << string_compose (_("cannot remove peakfile %1 for %2 (%3)"), + peakpath, _path, strerror (errno)) + << endmsg; + /* try to back out */ + rename (newpath.c_str(), _path.c_str()); + return -1; + } + + _path = newpath; + peakpath = ""; + + /* file can not be removed twice, since the operation is not idempotent */ + + _flags = Flag (_flags & ~(RemoveAtDestroy|Removable|RemovableIfEmpty)); + + return 0; +} + +bool +AudioFileSource::find (string pathstr, bool must_exist, bool& isnew) +{ + string::size_type pos; + bool ret = false; + + isnew = false; + + /* clean up PATH:CHANNEL notation so that we are looking for the correct path */ + + if ((pos = pathstr.find_last_of (':')) == string::npos) { + pathstr = pathstr; + } else { + pathstr = pathstr.substr (0, pos); + } + + if (pathstr[0] != '/') { + + /* non-absolute pathname: find pathstr in search path */ + + vector<string> dirs; + int cnt; + string fullpath; + string keeppath; + + if (search_path.length() == 0) { + error << _("FileSource: search path not set") << endmsg; + goto out; + } + + split (search_path, dirs, ':'); + + cnt = 0; + + for (vector<string>::iterator i = dirs.begin(); i != dirs.end(); ++i) { + + fullpath = *i; + if (fullpath[fullpath.length()-1] != '/') { + fullpath += '/'; + } + fullpath += pathstr; + + if (access (fullpath.c_str(), R_OK) == 0) { + keeppath = fullpath; + ++cnt; + } + } + + if (cnt > 1) { + + error << string_compose (_("FileSource: \"%1\" is ambigous when searching %2\n\t"), pathstr, search_path) << endmsg; + goto out; + + } else if (cnt == 0) { + + if (must_exist) { + error << string_compose(_("Filesource: cannot find required file (%1): while searching %2"), pathstr, search_path) << endmsg; + goto out; + } else { + isnew = true; + } + } + + _name = pathstr; + _path = keeppath; + ret = true; + + } else { + + /* external files and/or very very old style sessions include full paths */ + + _path = pathstr; + _name = pathstr.substr (pathstr.find_last_of ('/') + 1); + + if (access (_path.c_str(), R_OK) != 0) { + + /* file does not exist or we cannot read it */ + + if (must_exist) { + error << string_compose(_("Filesource: cannot find required file (%1): %2"), _path, strerror (errno)) << endmsg; + goto out; + } + + if (errno != ENOENT) { + error << string_compose(_("Filesource: cannot check for existing file (%1): %2"), _path, strerror (errno)) << endmsg; + goto out; + } + + /* a new file */ + + isnew = true; + ret = true; + + } else { + + /* already exists */ + + ret = true; + } + } + + out: + return ret; +} + +void +AudioFileSource::set_search_path (string p) +{ + search_path = p; +} + +void +AudioFileSource::set_header_position_offset (jack_nframes_t offset, bool negative) +{ + time_t tnow; + + time (&tnow); + + header_position_offset = offset; + header_position_negative = negative; + HeaderPositionOffsetChanged (localtime (&tnow), tnow); /* EMIT SIGNAL */ +} + +void +AudioFileSource::set_timeline_position (jack_nframes_t pos) +{ + timeline_position = pos; +} + +void +AudioFileSource::handle_header_position_change (struct tm* now, time_t tnow) +{ + /* don't do this if the file has never had its header flushed to disk yet */ + + if (writable() && _timestamp) { + set_header_timeline_position (); + flush_header (); + } +} + +void +AudioFileSource::set_allow_remove_if_empty (bool yn) +{ + if (writable()) { + allow_remove_if_empty = yn; + } +} + +int +AudioFileSource::set_name (string newname, bool destructive) +{ + Glib::Mutex::Lock lm (_lock); + string oldpath = _path; + string newpath = Session::change_audio_path_by_name (oldpath, _name, newname, destructive); + + if (newpath.empty()) { + error << string_compose (_("programming error: %1"), "cannot generate a changed audio path") << endmsg; + return -1; + } + + if (rename (oldpath.c_str(), newpath.c_str()) != 0) { + error << string_compose (_("cannot rename audio file for %1 to %2"), _name, newpath) << endmsg; + return -1; + } + + _name = Glib::path_get_basename (newpath); + _path = newpath; + + return rename_peakfile (peak_path (_path)); +} + +bool +AudioFileSource::is_empty (string path) +{ + /* XXX fix me */ + + return false; +} + diff --git a/libs/ardour/audiosource.cc b/libs/ardour/audiosource.cc new file mode 100644 index 0000000000..46596ad64f --- /dev/null +++ b/libs/ardour/audiosource.cc @@ -0,0 +1,897 @@ +/* + 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. + + $Id: source.cc 404 2006-03-17 17:39:21Z pauld $ +*/ + +#include <sys/stat.h> +#include <unistd.h> +#include <fcntl.h> +#include <poll.h> +#include <float.h> +#include <cerrno> +#include <ctime> +#include <cmath> +#include <iomanip> +#include <algorithm> + +#include <pbd/xml++.h> +#include <pbd/pthread_utils.h> + +#include <ardour/audiosource.h> + +#include "i18n.h" + +using namespace std; +using namespace ARDOUR; +using namespace PBD; + +sigc::signal<void,AudioSource *> AudioSource::AudioSourceCreated; +pthread_t AudioSource::peak_thread; +bool AudioSource::have_peak_thread = false; +vector<AudioSource*> AudioSource::pending_peak_sources; +Glib::Mutex* AudioSource::pending_peak_sources_lock = 0; +int AudioSource::peak_request_pipe[2]; + +bool AudioSource::_build_missing_peakfiles = false; +bool AudioSource::_build_peakfiles = false; + +AudioSource::AudioSource (string name) + : Source (name) +{ + if (pending_peak_sources_lock == 0) { + pending_peak_sources_lock = new Glib::Mutex; + } + + _peaks_built = false; + next_peak_clear_should_notify = true; + _read_data_count = 0; + _write_data_count = 0; +} + +AudioSource::AudioSource (const XMLNode& node) + : Source (node) +{ + if (pending_peak_sources_lock == 0) { + pending_peak_sources_lock = new Glib::Mutex; + } + + _peaks_built = false; + next_peak_clear_should_notify = true; + _read_data_count = 0; + _write_data_count = 0; + + if (set_state (node)) { + throw failed_constructor(); + } +} + +AudioSource::~AudioSource () +{ +} + +XMLNode& +AudioSource::get_state () +{ + XMLNode& node (Source::get_state()); + + if (_captured_for.length()) { + node.add_property ("captured-for", _captured_for); + } + + return node; +} + +int +AudioSource::set_state (const XMLNode& node) +{ + const XMLProperty* prop; + + Source::set_state (node); + + if ((prop = node.property ("captured-for")) != 0) { + _captured_for = prop->value(); + } + + return 0; +} + +/*********************************************************************** + PEAK FILE STUFF + ***********************************************************************/ + +void* +AudioSource::peak_thread_work (void* arg) +{ + PBD::ThreadCreated (pthread_self(), X_("Peak")); + struct pollfd pfd[1]; + + if (pending_peak_sources_lock == 0) { + pending_peak_sources_lock = new Glib::Mutex; + } + + Glib::Mutex::Lock lm (*pending_peak_sources_lock); + + while (true) { + + pfd[0].fd = peak_request_pipe[0]; + pfd[0].events = POLLIN|POLLERR|POLLHUP; + + pending_peak_sources_lock->unlock (); + + if (poll (pfd, 1, -1) < 0) { + + if (errno == EINTR) { + pending_peak_sources_lock->lock (); + continue; + } + + error << string_compose (_("poll on peak request pipe failed (%1)"), + strerror (errno)) + << endmsg; + break; + } + + if (pfd[0].revents & ~POLLIN) { + error << _("Error on peak 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 (peak_request_pipe[0], &req, sizeof (req)); + + if (nread == 1) { + switch ((PeakRequest::Type) req) { + + case PeakRequest::Build: + break; + + case PeakRequest::Quit: + pthread_exit_pbd (0); + /*NOTREACHED*/ + break; + + default: + break; + } + + } else if (nread == 0) { + break; + } else if (errno == EAGAIN) { + break; + } else { + fatal << _("Error reading from peak request pipe") << endmsg; + /*NOTREACHED*/ + } + } + } + + pending_peak_sources_lock->lock (); + + while (!pending_peak_sources.empty()) { + + AudioSource* s = pending_peak_sources.front(); + pending_peak_sources.erase (pending_peak_sources.begin()); + + pending_peak_sources_lock->unlock (); + s->build_peaks(); + pending_peak_sources_lock->lock (); + } + } + + pthread_exit_pbd (0); + /*NOTREACHED*/ + return 0; +} + +int +AudioSource::start_peak_thread () +{ + if (!_build_peakfiles) { + return 0; + } + + if (pipe (peak_request_pipe)) { + error << string_compose(_("Cannot create transport request signal pipe (%1)"), strerror (errno)) << endmsg; + return -1; + } + + if (fcntl (peak_request_pipe[0], F_SETFL, O_NONBLOCK)) { + error << string_compose(_("UI: cannot set O_NONBLOCK on peak request pipe (%1)"), strerror (errno)) << endmsg; + return -1; + } + + if (fcntl (peak_request_pipe[1], F_SETFL, O_NONBLOCK)) { + error << string_compose(_("UI: cannot set O_NONBLOCK on peak request pipe (%1)"), strerror (errno)) << endmsg; + return -1; + } + + if (pthread_create_and_store ("peak file builder", &peak_thread, 0, peak_thread_work, 0)) { + error << _("AudioSource: could not create peak thread") << endmsg; + return -1; + } + + have_peak_thread = true; + return 0; +} + +void +AudioSource::stop_peak_thread () +{ + if (!have_peak_thread) { + return; + } + + void* status; + + char c = (char) PeakRequest::Quit; + ::write (peak_request_pipe[1], &c, 1); + pthread_join (peak_thread, &status); +} + +void +AudioSource::queue_for_peaks (AudioSource& source) +{ + if (have_peak_thread) { + + Glib::Mutex::Lock lm (*pending_peak_sources_lock); + + source.next_peak_clear_should_notify = true; + + if (find (pending_peak_sources.begin(), + pending_peak_sources.end(), + &source) == pending_peak_sources.end()) { + pending_peak_sources.push_back (&source); + } + + char c = (char) PeakRequest::Build; + ::write (peak_request_pipe[1], &c, 1); + } +} + +void AudioSource::clear_queue_for_peaks () +{ + /* this is done to cancel a group of running peak builds */ + if (have_peak_thread) { + Glib::Mutex::Lock lm (*pending_peak_sources_lock); + pending_peak_sources.clear (); + } +} + + +bool +AudioSource::peaks_ready (sigc::slot<void> the_slot, sigc::connection& conn) const +{ + bool ret; + Glib::Mutex::Lock lm (_lock); + + /* check to see if the peak data is ready. if not + connect the slot while still holding the lock. + */ + + if (!(ret = _peaks_built)) { + conn = PeaksReady.connect (the_slot); + } + + return ret; +} + +int +AudioSource::rename_peakfile (string newpath) +{ + /* caller must hold _lock */ + + string oldpath = peakpath; + + if (access (oldpath.c_str(), F_OK) == 0) { + if (rename (oldpath.c_str(), newpath.c_str()) != 0) { + error << string_compose (_("cannot rename peakfile for %1 from %2 to %3 (%4)"), _name, oldpath, newpath, strerror (errno)) << endmsg; + return -1; + } + } + + peakpath = newpath; + + return 0; +} + +int +AudioSource::initialize_peakfile (bool newfile, string audio_path) +{ + struct stat statbuf; + + peakpath = peak_path (audio_path); + + /* Nasty band-aid for older sessions that were created before we + used libsndfile for all audio files. + */ + + if (!newfile && access (peakpath.c_str(), R_OK) != 0) { + string str = old_peak_path (audio_path); + if (access (str.c_str(), R_OK) == 0) { + peakpath = str; + } + } + + if (newfile) { + + if (!_build_peakfiles) { + return 0; + } + + _peaks_built = false; + + } else { + + if (stat (peakpath.c_str(), &statbuf)) { + if (errno != ENOENT) { + /* it exists in the peaks dir, but there is some kind of error */ + + error << string_compose(_("AudioSource: cannot stat peakfile \"%1\""), peakpath) << endmsg; + return -1; + } + + } else { + + /* we found it in the peaks dir */ + } + + if (statbuf.st_size == 0) { + _peaks_built = false; + } else { + // Check if the audio file has changed since the peakfile was built. + struct stat stat_file; + int err = stat (audio_path.c_str(), &stat_file); + + if (!err && stat_file.st_mtime > statbuf.st_mtime){ + _peaks_built = false; + } else { + _peaks_built = true; + } + } + } + + if (!newfile && !_peaks_built && _build_missing_peakfiles && _build_peakfiles) { + build_peaks_from_scratch (); + } + + return 0; +} + +jack_nframes_t +AudioSource::read (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const +{ + Glib::Mutex::Lock lm (_lock); + return read_unlocked (dst, start, cnt, workbuf); +} + +jack_nframes_t +AudioSource::write (Sample *dst, jack_nframes_t cnt, char * workbuf) +{ + Glib::Mutex::Lock lm (_lock); + return write_unlocked (dst, cnt, workbuf); +} + +int +AudioSource::read_peaks (PeakData *peaks, jack_nframes_t npeaks, jack_nframes_t start, jack_nframes_t cnt, double samples_per_visual_peak) const +{ + Glib::Mutex::Lock lm (_lock); + double scale; + double expected_peaks; + PeakData::PeakDatum xmax; + PeakData::PeakDatum xmin; + int32_t to_read; + uint32_t nread; + jack_nframes_t zero_fill = 0; + int ret = -1; + PeakData* staging = 0; + Sample* raw_staging = 0; + char * workbuf = 0; + int peakfile = -1; + + expected_peaks = (cnt / (double) frames_per_peak); + scale = npeaks/expected_peaks; + +#if 0 + cerr << "======>RP: npeaks = " << npeaks + << " start = " << start + << " cnt = " << cnt + << " len = " << _length + << " samples_per_visual_peak =" << samples_per_visual_peak + << " expected was " << expected_peaks << " ... scale = " << scale + << " PD ptr = " << peaks + <<endl; + +#endif + + /* fix for near-end-of-file conditions */ + + if (cnt > _length - start) { + // cerr << "too close to end @ " << _length << " given " << start << " + " << cnt << endl; + cnt = _length - start; + jack_nframes_t old = npeaks; + npeaks = min ((jack_nframes_t) floor (cnt / samples_per_visual_peak), npeaks); + zero_fill = old - npeaks; + } + + // cerr << "actual npeaks = " << npeaks << " zf = " << zero_fill << endl; + + if (npeaks == cnt) { + + // cerr << "RAW DATA\n"; + + /* no scaling at all, just get the sample data and duplicate it for + both max and min peak values. + */ + + Sample* raw_staging = new Sample[cnt]; + workbuf = new char[cnt*4]; + + if (read_unlocked (raw_staging, start, cnt, workbuf) != cnt) { + error << _("cannot read sample data for unscaled peak computation") << endmsg; + return -1; + } + + for (jack_nframes_t i = 0; i < npeaks; ++i) { + peaks[i].max = raw_staging[i]; + peaks[i].min = raw_staging[i]; + } + + delete [] raw_staging; + delete [] workbuf; + return 0; + } + + if (scale == 1.0) { + + off_t first_peak_byte = (start / frames_per_peak) * sizeof (PeakData); + + /* open, read, close */ + + if ((peakfile = ::open (peakpath.c_str(), O_RDWR|O_CREAT, 0664)) < 0) { + error << string_compose(_("AudioSource: cannot open peakpath \"%1\" (%2)"), peakpath, strerror (errno)) << endmsg; + return -1; + } + + // cerr << "DIRECT PEAKS\n"; + + nread = ::pread (peakfile, peaks, sizeof (PeakData)* npeaks, first_peak_byte); + close (peakfile); + + if (nread != sizeof (PeakData) * npeaks) { + cerr << "AudioSource[" + << _name + << "]: cannot read peaks from peakfile! (read only " + << nread + << " not " + << npeaks + << "at sample " + << start + << " = byte " + << first_peak_byte + << ')' + << endl; + return -1; + } + + if (zero_fill) { + memset (&peaks[npeaks], 0, sizeof (PeakData) * zero_fill); + } + + return 0; + } + + + jack_nframes_t tnp; + + if (scale < 1.0) { + + // cerr << "DOWNSAMPLE\n"; + + /* the caller wants: + + - more frames-per-peak (lower resolution) than the peakfile, or to put it another way, + - less peaks than the peakfile holds for the same range + + So, read a block into a staging area, and then downsample from there. + + to avoid confusion, I'll refer to the requested peaks as visual_peaks and the peakfile peaks as stored_peaks + */ + + const uint32_t chunksize = (uint32_t) min (expected_peaks, 4096.0); + + staging = new PeakData[chunksize]; + + /* compute the rounded up frame position */ + + jack_nframes_t current_frame = start; + jack_nframes_t current_stored_peak = (jack_nframes_t) ceil (current_frame / (double) frames_per_peak); + uint32_t next_visual_peak = (uint32_t) ceil (current_frame / samples_per_visual_peak); + double next_visual_peak_frame = next_visual_peak * samples_per_visual_peak; + uint32_t stored_peak_before_next_visual_peak = (jack_nframes_t) next_visual_peak_frame / frames_per_peak; + uint32_t nvisual_peaks = 0; + uint32_t stored_peaks_read = 0; + uint32_t i = 0; + + /* handle the case where the initial visual peak is on a pixel boundary */ + + current_stored_peak = min (current_stored_peak, stored_peak_before_next_visual_peak); + + /* open ... close during out: handling */ + + if ((peakfile = ::open (peakpath.c_str(), O_RDWR|O_CREAT, 0664)) < 0) { + error << string_compose(_("AudioSource: cannot open peakpath \"%1\" (%2)"), peakpath, strerror (errno)) << endmsg; + return 0; + } + + while (nvisual_peaks < npeaks) { + + if (i == stored_peaks_read) { + + uint32_t start_byte = current_stored_peak * sizeof(PeakData); + tnp = min ((_length/frames_per_peak - current_stored_peak), (jack_nframes_t) expected_peaks); + to_read = min (chunksize, tnp); + + off_t fend = lseek (peakfile, 0, SEEK_END); + + if ((nread = ::pread (peakfile, staging, sizeof (PeakData) * to_read, start_byte)) + != sizeof (PeakData) * to_read) { + cerr << "AudioSource[" + << _name + << "]: cannot read peak data from peakfile (" + << (nread / sizeof(PeakData)) + << " peaks instead of " + << to_read + << ") (" + << strerror (errno) + << ')' + << " at start_byte = " << start_byte + << " _length = " << _length << " versus len = " << fend + << " expected maxpeaks = " << (_length - current_frame)/frames_per_peak + << " npeaks was " << npeaks + << endl; + goto out; + } + + i = 0; + stored_peaks_read = nread / sizeof(PeakData); + } + + xmax = -1.0; + xmin = 1.0; + + while ((i < stored_peaks_read) && (current_stored_peak <= stored_peak_before_next_visual_peak)) { + + xmax = max (xmax, staging[i].max); + xmin = min (xmin, staging[i].min); + ++i; + ++current_stored_peak; + --expected_peaks; + } + + peaks[nvisual_peaks].max = xmax; + peaks[nvisual_peaks].min = xmin; + ++nvisual_peaks; + ++next_visual_peak; + + //next_visual_peak_frame = min ((next_visual_peak * samples_per_visual_peak), (next_visual_peak_frame+samples_per_visual_peak) ); + next_visual_peak_frame = min ((double) start+cnt, (next_visual_peak_frame+samples_per_visual_peak) ); + stored_peak_before_next_visual_peak = (uint32_t) next_visual_peak_frame / frames_per_peak; + } + + if (zero_fill) { + memset (&peaks[npeaks], 0, sizeof (PeakData) * zero_fill); + } + + ret = 0; + + } else { + + // cerr << "UPSAMPLE\n"; + + /* the caller wants + + - less frames-per-peak (more resolution) + - more peaks than stored in the Peakfile + + So, fetch data from the raw source, and generate peak + data on the fly. + */ + + jack_nframes_t frames_read = 0; + jack_nframes_t current_frame = start; + jack_nframes_t i = 0; + jack_nframes_t nvisual_peaks = 0; + jack_nframes_t chunksize = (jack_nframes_t) min (cnt, (jack_nframes_t) 4096); + raw_staging = new Sample[chunksize]; + workbuf = new char[chunksize *4]; + + jack_nframes_t frame_pos = start; + double pixel_pos = floor (frame_pos / samples_per_visual_peak); + double next_pixel_pos = ceil (frame_pos / samples_per_visual_peak); + double pixels_per_frame = 1.0 / samples_per_visual_peak; + + xmin = 1.0; + xmax = -1.0; + + while (nvisual_peaks < npeaks) { + + if (i == frames_read) { + + to_read = min (chunksize, (_length - current_frame)); + + if ((frames_read = read_unlocked (raw_staging, current_frame, to_read, workbuf)) < 0) { + error << string_compose(_("AudioSource[%1]: peak read - cannot read %2 samples at offset %3") + , _name, to_read, current_frame) + << endmsg; + goto out; + } + + i = 0; + } + + xmax = max (xmax, raw_staging[i]); + xmin = min (xmin, raw_staging[i]); + ++i; + ++current_frame; + pixel_pos += pixels_per_frame; + + if (pixel_pos >= next_pixel_pos) { + + peaks[nvisual_peaks].max = xmax; + peaks[nvisual_peaks].min = xmin; + ++nvisual_peaks; + xmin = 1.0; + xmax = -1.0; + + next_pixel_pos = ceil (pixel_pos + 0.5); + } + } + + if (zero_fill) { + memset (&peaks[npeaks], 0, sizeof (PeakData) * zero_fill); + } + + ret = 0; + } + + out: + if (peakfile >= 0) { + close (peakfile); + } + + if (staging) { + delete [] staging; + } + + if (raw_staging) { + delete [] raw_staging; + } + + if (workbuf) { + delete [] workbuf; + } + + return ret; +} + +#undef DEBUG_PEAK_BUILD + +int +AudioSource::build_peaks () +{ + vector<PeakBuildRecord*> built; + int status = -1; + bool pr_signal = false; + list<PeakBuildRecord*> copy; + + { + Glib::Mutex::Lock lm (_lock); + copy = pending_peak_builds; + pending_peak_builds.clear (); + } + +#ifdef DEBUG_PEAK_BUILD + cerr << "build peaks with " << copy.size() << " requests pending\n"; +#endif + + for (list<PeakBuildRecord *>::iterator i = copy.begin(); i != copy.end(); ++i) { + + if ((status = do_build_peak ((*i)->frame, (*i)->cnt)) != 0) { + unlink (peakpath.c_str()); + break; + } + built.push_back (new PeakBuildRecord (*(*i))); + delete *i; + } + + { + Glib::Mutex::Lock lm (_lock); + + if (status == 0) { + _peaks_built = true; + + if (next_peak_clear_should_notify) { + next_peak_clear_should_notify = false; + pr_signal = true; + } + } + } + + if (status == 0) { + for (vector<PeakBuildRecord *>::iterator i = built.begin(); i != built.end(); ++i) { + PeakRangeReady ((*i)->frame, (*i)->cnt); /* EMIT SIGNAL */ + delete *i; + } + + if (pr_signal) { + PeaksReady (); /* EMIT SIGNAL */ + } + } + + return status; +} + +int +AudioSource::do_build_peak (jack_nframes_t first_frame, jack_nframes_t cnt) +{ + jack_nframes_t current_frame; + Sample buf[frames_per_peak]; + Sample xmin, xmax; + uint32_t peaki; + PeakData* peakbuf; + char * workbuf = 0; + jack_nframes_t frames_read; + jack_nframes_t frames_to_read; + off_t first_peak_byte; + int peakfile = -1; + int ret = -1; + +#ifdef DEBUG_PEAK_BUILD + cerr << pthread_self() << ": " << _name << ": building peaks for " << first_frame << " to " << first_frame + cnt - 1 << endl; +#endif + + first_peak_byte = (first_frame / frames_per_peak) * sizeof (PeakData); + +#ifdef DEBUG_PEAK_BUILD + cerr << "seeking to " << first_peak_byte << " before writing new peak data\n"; +#endif + + current_frame = first_frame; + peakbuf = new PeakData[(cnt/frames_per_peak)+1]; + peaki = 0; + + workbuf = new char[max(frames_per_peak, cnt) * 4]; + + if ((peakfile = ::open (peakpath.c_str(), O_RDWR|O_CREAT, 0664)) < 0) { + error << string_compose(_("AudioSource: cannot open peakpath \"%1\" (%2)"), peakpath, strerror (errno)) << endmsg; + return -1; + } + + while (cnt) { + + frames_to_read = min (frames_per_peak, cnt); + + if ((frames_read = read_unlocked (buf, current_frame, frames_to_read, workbuf)) != frames_to_read) { + error << string_compose(_("%1: could not write read raw data for peak computation (%2)"), _name, strerror (errno)) << endmsg; + goto out; + } + + xmin = buf[0]; + xmax = buf[0]; + + for (jack_nframes_t n = 1; n < frames_read; ++n) { + xmax = max (xmax, buf[n]); + xmin = min (xmin, buf[n]); + +// if (current_frame < frames_read) { +// cerr << "sample = " << buf[n] << " max = " << xmax << " min = " << xmin << " max of 2 = " << max (xmax, buf[n]) << endl; +// } + } + + peakbuf[peaki].max = xmax; + peakbuf[peaki].min = xmin; + peaki++; + + current_frame += frames_read; + cnt -= frames_read; + } + + if (::pwrite (peakfile, peakbuf, sizeof (PeakData) * peaki, first_peak_byte) != (ssize_t) (sizeof (PeakData) * peaki)) { + error << string_compose(_("%1: could not write peak file data (%2)"), _name, strerror (errno)) << endmsg; + goto out; + } + + ret = 0; + + out: + delete [] peakbuf; + if (peakfile >= 0) { + close (peakfile); + } + if (workbuf) + delete [] workbuf; + return ret; +} + +void +AudioSource::build_peaks_from_scratch () +{ + Glib::Mutex::Lock lp (_lock); + + next_peak_clear_should_notify = true; + pending_peak_builds.push_back (new PeakBuildRecord (0, _length)); + queue_for_peaks (*this); +} + +bool +AudioSource::file_changed (string path) +{ + struct stat stat_file; + struct stat stat_peak; + + int e1 = stat (path.c_str(), &stat_file); + int e2 = stat (peak_path(path).c_str(), &stat_peak); + + if (!e1 && !e2 && stat_file.st_mtime > stat_peak.st_mtime){ + return true; + } else { + return false; + } +} + +jack_nframes_t +AudioSource::available_peaks (double zoom_factor) const +{ + int peakfile; + off_t end; + + if (zoom_factor < frames_per_peak) { + return length(); // peak data will come from the audio file + } + + /* peak data comes from peakfile */ + + if ((peakfile = ::open (peakpath.c_str(), O_RDONLY)) < 0) { + error << string_compose(_("AudioSource: cannot open peakpath \"%1\" (%2)"), peakpath, strerror (errno)) << endmsg; + return 0; + } + + { + Glib::Mutex::Lock lm (_lock); + end = lseek (peakfile, 0, SEEK_END); + } + + close (peakfile); + + return (end/sizeof(PeakData)) * frames_per_peak; +} + +void +AudioSource::update_length (jack_nframes_t pos, jack_nframes_t cnt) +{ + if (pos + cnt > _length) { + _length = pos+cnt; + } +} + diff --git a/libs/ardour/externalsource.cc b/libs/ardour/externalsource.cc deleted file mode 100644 index 7f478b6f53..0000000000 --- a/libs/ardour/externalsource.cc +++ /dev/null @@ -1,246 +0,0 @@ -/* - Copyright (C) 2006 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. - -*/ - -#include <sys/stat.h> -#include <unistd.h> -#include <sys/time.h> - -#include <sndfile.h> - -#include <pbd/mountpoint.h> -#include <ardour/externalsource.h> -#include <ardour/sndfilesource.h> -#include <ardour/sndfile_helpers.h> - -// if these headers come before sigc++ is included -// the parser throws ObjC++ errors. (nil is a keyword) -#ifdef HAVE_COREAUDIO -#include <ardour/coreaudio_source.h> -#include <AudioToolbox/ExtendedAudioFile.h> -#include <AudioToolbox/AudioFormat.h> -#endif // HAVE_COREAUDIO - -#include "i18n.h" - -using namespace ARDOUR; - -string ExternalSource::peak_dir = ""; - -ExternalSource::ExternalSource (const XMLNode& node) - : Source (node) -{ -} - -ExternalSource::ExternalSource (const string& idstr, bool build_peak) - : Source(build_peak) -{ -} - -ExternalSource::~ExternalSource () -{ -} - -jack_nframes_t -ExternalSource::read_unlocked (Sample *dst, jack_nframes_t start, jack_nframes_t cnt, char * workbuf) const -{ - return read (dst, start, cnt, workbuf); -} - -string -ExternalSource::peak_path (string audio_path) -{ - /* XXX hardly bombproof! fix me */ - - struct stat stat_file; - struct stat stat_mount; - - string mp = mountpoint (audio_path); - - stat (audio_path.c_str(), &stat_file); - stat (mp.c_str(), &stat_mount); - - char buf[32]; -#ifdef __APPLE__ - snprintf (buf, sizeof (buf), "%u-%u-%d.peak", stat_mount.st_ino, stat_file.st_ino, channel); -#else - snprintf (buf, sizeof (buf), "%ld-%ld-%d.peak", stat_mount.st_ino, stat_file.st_ino, channel); -#endif - - string res = peak_dir; - res += buf; - - return res; -} - -#ifdef HAVE_COREAUDIO - -ExternalSource* -ExternalSource::create (const XMLNode& node) -{ - ExternalSource* es = 0; - - try { - es = new CoreAudioSource (node); - } - - catch (failed_constructor& err) { - es = new SndFileSource (node); - } - - es = new SndFileSource (node); - - return es; -} - -#else - -ExternalSource* -ExternalSource::create (const XMLNode& node) -{ - return new SndFileSource (node); -} - -#endif // HAVE_COREAUDIO - -#ifdef HAVE_COREAUDIO -ExternalSource* -ExternalSource::create (const string& idstr, bool build_peak) -{ - ExternalSource* es = 0; - - try { - es = new CoreAudioSource (idstr, build_peak); - } - - catch (failed_constructor& err) { - es = new SndFileSource (idstr, build_peak); - } - - return es; -} - -#else - -ExternalSource* -ExternalSource::create (const string& idstr, bool build_peak) -{ - return new SndFileSource (idstr, build_peak); -} - -#endif // HAVE_COREAUDIO - -#ifdef HAVE_COREAUDIO -std::string -CFStringRefToStdString(CFStringRef stringRef) -{ - CFIndex size = - CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) , - kCFStringEncodingASCII); - char *buf = new char[size]; - - std::string result; - - if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingASCII)) { - result = buf; - } - delete [] buf; - return result; -} -#endif // HAVE_COREAUDIO - -bool -ExternalSource::get_soundfile_info (string path, SoundFileInfo& _info, string& error_msg) -{ -#ifdef HAVE_COREAUDIO - OSStatus err = noErr; - FSRef ref; - ExtAudioFileRef af = 0; - size_t size; - CFStringRef name; - - err = FSPathMakeRef ((UInt8*)path.c_str(), &ref, 0); - if (err != noErr) { - ExtAudioFileDispose (af); - goto libsndfile; - } - - err = ExtAudioFileOpen(&ref, &af); - if (err != noErr) { - ExtAudioFileDispose (af); - goto libsndfile; - } - - AudioStreamBasicDescription absd; - memset(&absd, 0, sizeof(absd)); - size = sizeof(AudioStreamBasicDescription); - err = ExtAudioFileGetProperty(af, - kExtAudioFileProperty_FileDataFormat, &size, &absd); - if (err != noErr) { - ExtAudioFileDispose (af); - goto libsndfile; - } - - _info.samplerate = absd.mSampleRate; - _info.channels = absd.mChannelsPerFrame; - - size = sizeof(_info.length); - err = ExtAudioFileGetProperty(af, kExtAudioFileProperty_FileLengthFrames, &size, &_info.length); - if (err != noErr) { - ExtAudioFileDispose (af); - goto libsndfile; - } - - size = sizeof(CFStringRef); - err = AudioFormatGetProperty( - kAudioFormatProperty_FormatName, sizeof(absd), &absd, &size, &name); - if (err != noErr) { - ExtAudioFileDispose (af); - goto libsndfile; - } - - _info.format_name = CFStringRefToStdString(name); - - ExtAudioFileDispose (af); - return true; - -libsndfile: -#endif // HAVE_COREAUDIO - - SNDFILE *sf; - SF_INFO sf_info; - - sf_info.format = 0; // libsndfile says to clear this before sf_open(). - - if ((sf = sf_open ((char*) path.c_str(), SFM_READ, &sf_info)) == 0) { - char errbuf[256]; - error_msg = sf_error_str (0, errbuf, sizeof (errbuf) - 1); - return false; - } - - sf_close (sf); - - _info.samplerate = sf_info.samplerate; - _info.channels = sf_info.channels; - _info.length = sf_info.frames; - _info.format_name = string_compose("Format: %1, %2", - sndfile_major_format(sf_info.format), - sndfile_minor_format(sf_info.format)); - - return true; -} |