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Copyright (C) 2006 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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#include "libardour-config.h"
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#include <stdio.h> // for rename(), sigh
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#include "pbd/convert.h"
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#include "pbd/basename.h"
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#include "pbd/mountpoint.h"
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#include "pbd/stl_delete.h"
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#include "pbd/strsplit.h"
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#include "pbd/shortpath.h"
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#include "pbd/enumwriter.h"
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#include <glibmm/miscutils.h>
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#include <glibmm/fileutils.h>
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#include <glibmm/threads.h>
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#include "ardour/audiofilesource.h"
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#include "ardour/debug.h"
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#include "ardour/sndfilesource.h"
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#include "ardour/session.h"
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#include "ardour/filename_extensions.h"
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// if these headers come before sigc++ is included
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// the parser throws ObjC++ errors. (nil is a keyword)
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#include "ardour/coreaudiosource.h"
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#include <AudioToolbox/ExtendedAudioFile.h>
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#include <AudioToolbox/AudioFormat.h>
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#endif // HAVE_COREAUDIO
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using namespace ARDOUR;
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string AudioFileSource::peak_dir = "";
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PBD::Signal0<void> AudioFileSource::HeaderPositionOffsetChanged;
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framecnt_t AudioFileSource::header_position_offset = 0;
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/* XXX maybe this too */
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char AudioFileSource::bwf_serial_number[13] = "000000000000";
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struct SizedSampleBuffer {
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SizedSampleBuffer (framecnt_t sz) : size (sz) {
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buf = new Sample[size];
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~SizedSampleBuffer() {
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Glib::Threads::Private<SizedSampleBuffer> thread_interleave_buffer;
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/** Constructor used for existing external-to-session files. */
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AudioFileSource::AudioFileSource (Session& s, const string& path, Source::Flag flags)
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: Source (s, DataType::AUDIO, path, flags)
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, AudioSource (s, path)
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/* note that external files have their own path as "origin" */
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, FileSource (s, DataType::AUDIO, path, path, flags)
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if (init (_path, true)) {
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throw failed_constructor ();
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/** Constructor used for new internal-to-session files. */
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AudioFileSource::AudioFileSource (Session& s, const string& path, const string& origin, Source::Flag flags,
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SampleFormat /*samp_format*/, HeaderFormat /*hdr_format*/)
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: Source (s, DataType::AUDIO, path, flags)
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, AudioSource (s, path)
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, FileSource (s, DataType::AUDIO, path, origin, flags)
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/* note that origin remains empty */
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if (init (_path, false)) {
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throw failed_constructor ();
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/** Constructor used for existing internal-to-session files via XML. File must exist. */
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AudioFileSource::AudioFileSource (Session& s, const XMLNode& node, bool must_exist)
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, AudioSource (s, node)
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, FileSource (s, node, must_exist)
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if (set_state (node, Stateful::loading_state_version)) {
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throw failed_constructor ();
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if (init (_path, must_exist)) {
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throw failed_constructor ();
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AudioFileSource::~AudioFileSource ()
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DEBUG_TRACE (DEBUG::Destruction, string_compose ("AudioFileSource destructor %1, removable? %2\n", _path, removable()));
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unlink (_path.c_str());
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unlink (peakpath.c_str());
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AudioFileSource::init (const string& pathstr, bool must_exist)
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return FileSource::init (pathstr, must_exist);
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AudioFileSource::peak_path (string audio_path)
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base = PBD::basename_nosuffix (audio_path);
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base += (char) ('A' + _channel);
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return _session.peak_path (base);
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AudioFileSource::find_broken_peakfile (string peak_path, string audio_path)
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/* check for the broken location in use by 2.0 for several months */
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str = broken_peak_path (audio_path);
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if (Glib::file_test (str, Glib::FILE_TEST_EXISTS)) {
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if (!within_session()) {
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/* it would be nice to rename it but the nature of
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the bug means that we can't reliably use it.
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/* all native files are mono, so we can just rename
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::rename (str.c_str(), peak_path.c_str());
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/* Nasty band-aid for older sessions that were created before we
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used libsndfile for all audio files.
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str = old_peak_path (audio_path);
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if (Glib::file_test (str, Glib::FILE_TEST_EXISTS)) {
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AudioFileSource::broken_peak_path (string audio_path)
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return _session.peak_path (basename_nosuffix (audio_path));
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AudioFileSource::old_peak_path (string audio_path)
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/* XXX hardly bombproof! fix me */
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struct stat stat_file;
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struct stat stat_mount;
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string mp = mountpoint (audio_path);
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stat (audio_path.c_str(), &stat_file);
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stat (mp.c_str(), &stat_mount);
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snprintf (buf, sizeof (buf), "%u-%u-%d.peak", stat_mount.st_ino, stat_file.st_ino, _channel);
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snprintf (buf, sizeof (buf), "%" PRId64 "-%" PRId64 "-%d.peak", (int64_t) stat_mount.st_ino, (int64_t) stat_file.st_ino, _channel);
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string res = peak_dir;
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res += peakfile_suffix;
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AudioFileSource::get_soundfile_info (string path, SoundFileInfo& _info, string& error_msg)
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/* try sndfile first because it gets timecode info from .wav (BWF) if it exists,
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which at present, ExtAudioFile from Apple seems unable to do.
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if (SndFileSource::get_soundfile_info (path, _info, error_msg) != 0) {
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#ifdef HAVE_COREAUDIO
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if (CoreAudioSource::get_soundfile_info (path, _info, error_msg) == 0) {
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#endif // HAVE_COREAUDIO
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AudioFileSource::get_state ()
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XMLNode& root (AudioSource::get_state());
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snprintf (buf, sizeof (buf), "%u", _channel);
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root.add_property (X_("channel"), buf);
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root.add_property (X_("origin"), _origin);
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AudioFileSource::set_state (const XMLNode& node, int version)
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if (Source::set_state (node, version)) {
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if (AudioSource::set_state (node, version)) {
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if (FileSource::set_state (node, version)) {
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AudioFileSource::mark_streaming_write_completed ()
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AudioSource::mark_streaming_write_completed ();
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AudioFileSource::move_dependents_to_trash()
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return ::unlink (peakpath.c_str());
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AudioFileSource::set_header_position_offset (framecnt_t offset)
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header_position_offset = offset;
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HeaderPositionOffsetChanged ();
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AudioFileSource::is_empty (Session& /*s*/, string path)
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if (!get_soundfile_info (path, info, err)) {
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/* dangerous: we can't get info, so assume that its not empty */
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return info.length == 0;
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AudioFileSource::setup_peakfile ()
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if (!(_flags & NoPeakFile)) {
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return initialize_peakfile (_path);
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AudioFileSource::safe_audio_file_extension(const string& file)
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const char* suffixes[] = {
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#ifdef HAVE_COREAUDIO
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".sd2", ".SD2", // libsndfile supports sd2 also, but the resource fork is required to open.
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#endif // HAVE_COREAUDIO
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for (size_t n = 0; n < sizeof(suffixes)/sizeof(suffixes[0]); ++n) {
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if (file.rfind (suffixes[n]) == file.length() - strlen (suffixes[n])) {
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AudioFileSource::get_interleave_buffer (framecnt_t size)
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SizedSampleBuffer* ssb;
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if ((ssb = thread_interleave_buffer.get()) == 0) {
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ssb = new SizedSampleBuffer (size);
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thread_interleave_buffer.set (ssb);
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if (ssb->size < size) {
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ssb = new SizedSampleBuffer (size);
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thread_interleave_buffer.set (ssb);