In preparation for archiving files as .flac (fixed point), normalized with gain factor.
373 lines
8.5 KiB
C++
373 lines
8.5 KiB
C++
/*
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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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*/
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#ifdef WAF_BUILD
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#include "libardour-config.h"
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#endif
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#include <vector>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <stdio.h> // for rename(), sigh
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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 "pbd/gstdio_compat.h"
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#include "pbd/convert.h"
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#include "pbd/basename.h"
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#include "pbd/file_utils.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/stacktrace.h"
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#include "pbd/enumwriter.h"
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#include <sndfile.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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#ifdef HAVE_COREAUDIO
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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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#include "pbd/i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Glib;
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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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framecnt_t size;
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Sample* buf;
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SizedSampleBuffer (framecnt_t sz) : size (sz) {
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buf = new Sample[size];
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}
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~SizedSampleBuffer() {
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delete [] buf;
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}
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};
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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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{
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if (init (_path, true)) {
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throw failed_constructor ();
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}
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}
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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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{
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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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}
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}
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/** Constructor used for existing internal-to-session files during crash
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* recovery. File must exist
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*/
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AudioFileSource::AudioFileSource (Session& s, const string& path, Source::Flag flags, bool /* ignored-exists-for-prototype differentiation */)
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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, string(), flags)
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{
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/* note that origin remains empty */
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if (init (_path, true)) {
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throw failed_constructor ();
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}
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}
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/** Constructor used for sources listed in session-files (XML)
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* and missing sources (SilentFileSource).
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*
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* If _origin is an absolute path after ::set_state(), then the
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* file is external to the session.
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*/
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AudioFileSource::AudioFileSource (Session& s, const XMLNode& node, bool must_exist)
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: Source (s, node)
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, AudioSource (s, node)
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, FileSource (s, node, must_exist)
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{
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if (set_state (node, Stateful::loading_state_version)) {
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throw failed_constructor ();
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}
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if (Glib::path_is_absolute (_origin)) {
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_path = _origin;
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}
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if (init (_path, must_exist)) {
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throw failed_constructor ();
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}
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}
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AudioFileSource::~AudioFileSource ()
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{
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DEBUG_TRACE (DEBUG::Destruction, string_compose ("AudioFileSource destructor %1, removable? %2\n", _path, removable()));
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if (removable()) {
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::g_unlink (_path.c_str());
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::g_unlink (_peakpath.c_str());
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}
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}
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int
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AudioFileSource::init (const string& pathstr, bool must_exist)
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{
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return FileSource::init (pathstr, must_exist);
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}
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string
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AudioFileSource::construct_peak_filepath (const string& audio_path, const bool in_session, const bool old_peak_name) const
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{
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string base;
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if (old_peak_name) {
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base = audio_path.substr (0, audio_path.find_last_of ('.'));
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} else {
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base = audio_path;
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}
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base += '%';
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base += (char) ('A' + _channel);
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return _session.construct_peak_filepath (base, in_session, old_peak_name);
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}
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bool
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AudioFileSource::get_soundfile_info (const string& path, SoundFileInfo& _info, string& error_msg)
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{
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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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*/
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if (SndFileSource::get_soundfile_info (path, _info, error_msg) != 0) {
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return true;
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}
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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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return true;
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}
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#endif // HAVE_COREAUDIO
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return false;
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}
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XMLNode&
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AudioFileSource::get_state ()
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{
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LocaleGuard lg;
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XMLNode& root (AudioSource::get_state());
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char buf[32];
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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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snprintf (buf, sizeof (buf), "%f", _gain);
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root.add_property (X_("gain"), buf);
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return root;
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}
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int
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AudioFileSource::set_state (const XMLNode& node, int version)
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{
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if (Source::set_state (node, version)) {
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return -1;
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}
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if (AudioSource::set_state (node, version)) {
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return -1;
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}
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if (FileSource::set_state (node, version)) {
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return -1;
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}
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return 0;
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}
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void
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AudioFileSource::mark_streaming_write_completed (const Lock& lock)
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{
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if (!writable()) {
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return;
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}
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AudioSource::mark_streaming_write_completed (lock);
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}
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int
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AudioFileSource::move_dependents_to_trash()
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{
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return ::g_unlink (_peakpath.c_str());
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}
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void
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AudioFileSource::set_header_position_offset (framecnt_t offset)
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{
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header_position_offset = offset;
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HeaderPositionOffsetChanged ();
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}
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bool
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AudioFileSource::is_empty (Session& /*s*/, string path)
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{
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SoundFileInfo info;
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string err;
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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 false;
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}
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return info.length == 0;
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}
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int
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AudioFileSource::setup_peakfile ()
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{
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if (_session.deletion_in_progress()) {
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return 0;
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}
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if (!(_flags & NoPeakFile)) {
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return initialize_peakfile (_path, within_session());
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} else {
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return 0;
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}
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}
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void
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AudioFileSource::set_gain (float g, bool temporarily)
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{
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if (_gain == g) {
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return;
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}
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_gain = g;
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if (temporarily) {
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return;
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}
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close_peakfile();
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setup_peakfile ();
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}
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bool
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AudioFileSource::safe_audio_file_extension(const string& file)
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{
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const char* suffixes[] = {
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".aif", ".AIF",
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".aifc", ".AIFC",
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".aiff", ".AIFF",
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".amb", ".AMB",
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".au", ".AU",
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".caf", ".CAF",
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".cdr", ".CDR",
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".flac", ".FLAC",
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".htk", ".HTK",
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".iff", ".IFF",
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".mat", ".MAT",
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".oga", ".OGA",
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".ogg", ".OGG",
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".paf", ".PAF",
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".pvf", ".PVF",
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".sf", ".SF",
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".smp", ".SMP",
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".snd", ".SND",
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".maud", ".MAUD",
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".voc", ".VOC"
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".vwe", ".VWE",
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".w64", ".W64",
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".wav", ".WAV",
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#ifdef HAVE_COREAUDIO
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".aac", ".AAC",
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".adts", ".ADTS",
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".ac3", ".AC3",
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".amr", ".AMR",
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".mpa", ".MPA",
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".mpeg", ".MPEG",
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".mp1", ".MP1",
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".mp2", ".MP2",
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".mp3", ".MP3",
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".mp4", ".MP4",
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".m4a", ".M4A",
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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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};
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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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return true;
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}
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}
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return false;
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}
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Sample*
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AudioFileSource::get_interleave_buffer (framecnt_t size)
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{
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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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}
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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);
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}
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return ssb->buf;
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}
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