Paul Davis
acdc88f279
git-svn-id: svn://localhost/ardour2/branches/3.0@6213 d708f5d6-7413-0410-9779-e7cbd77b26cf
511 lines
13 KiB
C++
511 lines
13 KiB
C++
/*
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Copyright (C) 2000 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifdef WAF_BUILD
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#include "libardour-config.h"
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#endif
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#include <cstdio>
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#include <cstdlib>
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#include <string>
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#include <climits>
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#include <cerrno>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <stdint.h>
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#include <sndfile.h>
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#include <samplerate.h>
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#include <glibmm.h>
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#include <boost/scoped_array.hpp>
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#include <boost/shared_array.hpp>
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#include "pbd/basename.h"
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#include "pbd/convert.h"
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#include "evoral/SMF.hpp"
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#include "ardour/analyser.h"
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#include "ardour/ardour.h"
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#include "ardour/audio_diskstream.h"
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#include "ardour/audioengine.h"
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#include "ardour/audioregion.h"
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#include "ardour/import_status.h"
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#include "ardour/region_factory.h"
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#include "ardour/resampled_source.h"
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#include "ardour/session.h"
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#include "ardour/session_directory.h"
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#include "ardour/smf_source.h"
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#include "ardour/sndfile_helpers.h"
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#include "ardour/sndfileimportable.h"
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#include "ardour/sndfilesource.h"
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#include "ardour/source_factory.h"
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#include "ardour/tempo.h"
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#ifdef HAVE_COREAUDIO
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#ifdef USE_COREAUDIO_FOR_FILE_IO
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#include "ardour/caimportable.h"
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#endif
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#endif
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#include "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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static boost::shared_ptr<ImportableSource>
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open_importable_source (const string& path, nframes_t samplerate, ARDOUR::SrcQuality quality)
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{
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#ifdef HAVE_COREAUDIO
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#ifdef USE_COREAUDIO_FOR_FILE_IO
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/* see if we can use CoreAudio to handle the IO */
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try {
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CAImportableSource* src = new CAImportableSource(path);
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boost::shared_ptr<CAImportableSource> source (src);
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if (source->samplerate() == samplerate) {
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return source;
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}
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/* rewrap as a resampled source */
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return boost::shared_ptr<ImportableSource>(new ResampledImportableSource(source, samplerate, quality));
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}
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catch (...) {
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/* fall back to SndFile */
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#endif
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#endif
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try {
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boost::shared_ptr<SndFileImportableSource> source(new SndFileImportableSource(path));
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if (source->samplerate() == samplerate) {
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return source;
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}
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/* rewrap as a resampled source */
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return boost::shared_ptr<ImportableSource>(new ResampledImportableSource(source, samplerate, quality));
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}
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catch (...) {
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throw; // rethrow
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}
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#ifdef HAVE_COREAUDIO
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#ifdef USE_COREAUDIO_FOR_FILE_IO
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}
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#endif
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#endif
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}
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static std::string
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get_non_existent_filename (DataType type, const bool allow_replacing, const std::string destdir, const std::string& basename, uint channel, uint channels)
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{
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char buf[PATH_MAX+1];
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bool goodfile = false;
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string base(basename);
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const char* ext = (type == DataType::AUDIO) ? "wav" : "mid";
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do {
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if (type == DataType::AUDIO && channels == 2) {
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if (channel == 0) {
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snprintf (buf, sizeof(buf), "%s-L.wav", base.c_str());
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} else {
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snprintf (buf, sizeof(buf), "%s-R.wav", base.c_str());
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}
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} else if (channels > 1) {
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snprintf (buf, sizeof(buf), "%s-c%d.%s", base.c_str(), channel, ext);
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} else {
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snprintf (buf, sizeof(buf), "%s.%s", base.c_str(), ext);
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}
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string tempname = destdir + "/" + buf;
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if (!allow_replacing && Glib::file_test (tempname, Glib::FILE_TEST_EXISTS)) {
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/* if the file already exists, we must come up with
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* a new name for it. for now we just keep appending
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* _ to basename
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*/
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base += "_";
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} else {
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goodfile = true;
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}
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} while ( !goodfile);
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return buf;
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}
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static vector<string>
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get_paths_for_new_sources (const bool allow_replacing, const string& import_file_path, const string& session_dir, uint channels)
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{
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vector<string> new_paths;
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const string basename = basename_nosuffix (import_file_path);
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SessionDirectory sdir(session_dir);
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for (uint n = 0; n < channels; ++n) {
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const DataType type = (import_file_path.rfind(".mid") != string::npos)
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? DataType::MIDI : DataType::AUDIO;
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std::string filepath = (type == DataType::MIDI)
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? sdir.midi_path().to_string() : sdir.sound_path().to_string();
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filepath += '/';
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filepath += get_non_existent_filename (type, allow_replacing, filepath, basename, n, channels);
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new_paths.push_back (filepath);
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}
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return new_paths;
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}
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static bool
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map_existing_mono_sources (const vector<string>& new_paths, Session& /*sess*/,
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uint /*samplerate*/, vector<boost::shared_ptr<Source> >& newfiles, Session *session)
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{
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for (vector<string>::const_iterator i = new_paths.begin();
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i != new_paths.end(); ++i)
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{
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boost::shared_ptr<Source> source = session->source_by_path_and_channel(*i, 0);
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if (source == 0) {
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error << string_compose(_("Could not find a source for %1 even though we are updating this file!"), (*i)) << endl;
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return false;
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}
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newfiles.push_back(boost::dynamic_pointer_cast<Source>(source));
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}
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return true;
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}
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static bool
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create_mono_sources_for_writing (const vector<string>& new_paths, Session& sess,
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uint samplerate, vector<boost::shared_ptr<Source> >& newfiles,
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nframes64_t /*timeline_position*/)
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{
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for (vector<string>::const_iterator i = new_paths.begin(); i != new_paths.end(); ++i)
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{
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boost::shared_ptr<Source> source;
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try
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{
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const DataType type = ((*i).rfind(".mid") != string::npos)
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? DataType::MIDI : DataType::AUDIO;
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source = SourceFactory::createWritable (type, sess,
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i->c_str(),
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false, // destructive
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samplerate);
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}
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catch (const failed_constructor& err)
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{
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error << string_compose (_("Unable to create file %1 during import"), *i) << endmsg;
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return false;
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}
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newfiles.push_back(boost::dynamic_pointer_cast<Source>(source));
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}
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return true;
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}
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static Glib::ustring
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compose_status_message (const string& path,
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uint file_samplerate,
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uint session_samplerate,
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uint current_file,
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uint total_files)
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{
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if (file_samplerate != session_samplerate) {
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return string_compose (_("resampling %1 from %2kHz to %3kHz\n(%4 of %5)"),
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Glib::path_get_basename (path),
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file_samplerate/1000.0f,
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session_samplerate/1000.0f,
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current_file, total_files);
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}
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return string_compose (_("copying %1\n(%2 of %3)"),
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Glib::path_get_basename (path),
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current_file, total_files);
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}
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static void
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write_audio_data_to_new_files (ImportableSource* source, ImportStatus& status,
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vector<boost::shared_ptr<Source> >& newfiles)
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{
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const nframes_t nframes = ResampledImportableSource::blocksize;
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boost::shared_ptr<AudioFileSource> afs;
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uint channels = source->channels();
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boost::scoped_array<float> data(new float[nframes * channels]);
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vector<boost::shared_array<Sample> > channel_data;
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for (uint n = 0; n < channels; ++n) {
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channel_data.push_back(boost::shared_array<Sample>(new Sample[nframes]));
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}
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uint read_count = 0;
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status.progress = 0.0f;
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while (!status.cancel) {
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nframes_t nread, nfread;
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uint x;
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uint chn;
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if ((nread = source->read (data.get(), nframes)) == 0) {
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break;
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}
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nfread = nread / channels;
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/* de-interleave */
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for (chn = 0; chn < channels; ++chn) {
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nframes_t n;
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for (x = chn, n = 0; n < nfread; x += channels, ++n) {
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channel_data[chn][n] = (Sample) data[x];
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}
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}
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/* flush to disk */
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for (chn = 0; chn < channels; ++chn) {
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if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(newfiles[chn])) != 0) {
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afs->write (channel_data[chn].get(), nfread);
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}
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}
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read_count += nread;
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status.progress = read_count / (source->ratio () * source->length() * channels);
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}
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}
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static void
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write_midi_data_to_new_files (Evoral::SMF* source, ImportStatus& status,
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vector<boost::shared_ptr<Source> >& newfiles)
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{
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uint32_t buf_size = 4;
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uint8_t* buf = (uint8_t*)malloc(buf_size);
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status.progress = 0.0f;
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try {
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for (unsigned i = 1; i <= source->num_tracks(); ++i) {
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boost::shared_ptr<SMFSource> smfs = boost::dynamic_pointer_cast<SMFSource>(newfiles[i-1]);
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smfs->drop_model();
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source->seek_to_track(i);
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uint64_t t = 0;
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uint32_t delta_t = 0;
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uint32_t size = 0;
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while (!status.cancel) {
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size = buf_size;
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int ret = source->read_event(&delta_t, &size, &buf);
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if (size > buf_size)
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buf_size = size;
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if (ret < 0) { // EOT
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break;
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}
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t += delta_t;
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if (ret == 0) { // Meta
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continue;
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}
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smfs->append_event_unlocked_beats(Evoral::Event<double>(0,
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(double)t / (double)source->ppqn(),
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size,
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buf));
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if (status.progress < 0.99)
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status.progress += 0.01;
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}
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const nframes64_t pos = 0;
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const double length_beats = ceil(t / (double)source->ppqn());
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BeatsFramesConverter converter(smfs->session().tempo_map(), pos);
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smfs->update_length(pos, converter.to(length_beats));
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smfs->end_write();
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if (status.cancel) {
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break;
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}
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}
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} catch (...) {
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error << "Corrupt MIDI file " << source->file_path() << endl;
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}
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}
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static void
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remove_file_source (boost::shared_ptr<Source> source)
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{
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::unlink (source->path().c_str());
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}
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// This function is still unable to cleanly update an existing source, even though
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// it is possible to set the ImportStatus flag accordingly. The functinality
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// is disabled at the GUI until the Source implementations are able to provide
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// the necessary API.
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void
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Session::import_audiofiles (ImportStatus& status)
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{
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uint32_t cnt = 1;
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typedef vector<boost::shared_ptr<Source> > Sources;
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Sources all_new_sources;
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boost::shared_ptr<AudioFileSource> afs;
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boost::shared_ptr<SMFSource> smfs;
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uint channels = 0;
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status.sources.clear ();
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for (vector<Glib::ustring>::iterator p = status.paths.begin();
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p != status.paths.end() && !status.cancel;
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++p, ++cnt)
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{
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boost::shared_ptr<ImportableSource> source;
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std::auto_ptr<Evoral::SMF> smf_reader;
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const DataType type = ((*p).rfind(".mid") != string::npos) ?
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DataType::MIDI : DataType::AUDIO;
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if (type == DataType::AUDIO) {
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try {
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source = open_importable_source (*p, frame_rate(), status.quality);
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channels = source->channels();
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} catch (const failed_constructor& err) {
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error << string_compose(_("Import: cannot open input sound file \"%1\""), (*p)) << endmsg;
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status.done = status.cancel = true;
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return;
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}
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} else {
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try {
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smf_reader = std::auto_ptr<Evoral::SMF>(new Evoral::SMF());
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smf_reader->open(*p);
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channels = smf_reader->num_tracks();
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} catch (...) {
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error << _("Import: error opening MIDI file") << endmsg;
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status.done = status.cancel = true;
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return;
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}
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}
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vector<string> new_paths = get_paths_for_new_sources (status.replace_existing_source, *p,
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get_best_session_directory_for_new_source (),
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channels);
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Sources newfiles;
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nframes64_t natural_position = source ? source->natural_position() : 0;
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if (status.replace_existing_source) {
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fatal << "THIS IS NOT IMPLEMENTED YET, IT SHOULD NEVER GET CALLED!!! DYING!" << endmsg;
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status.cancel = !map_existing_mono_sources (new_paths, *this, frame_rate(), newfiles, this);
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} else {
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status.cancel = !create_mono_sources_for_writing (new_paths, *this, frame_rate(), newfiles, natural_position);
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}
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// copy on cancel/failure so that any files that were created will be removed below
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std::copy (newfiles.begin(), newfiles.end(), std::back_inserter(all_new_sources));
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if (status.cancel) {
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break;
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}
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for (Sources::iterator i = newfiles.begin(); i != newfiles.end(); ++i) {
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if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(*i)) != 0) {
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afs->prepare_for_peakfile_writes ();
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}
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}
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if (source) { // audio
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status.doing_what = compose_status_message (*p, source->samplerate(),
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frame_rate(), cnt, status.total);
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write_audio_data_to_new_files (source.get(), status, newfiles);
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} else if (smf_reader.get()) { // midi
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status.doing_what = string_compose(_("Loading MIDI file %1"), *p);
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write_midi_data_to_new_files (smf_reader.get(), status, newfiles);
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}
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}
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if (!status.cancel) {
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struct tm* now;
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time_t xnow;
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time (&xnow);
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now = localtime (&xnow);
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status.freeze = true;
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/* flush the final length(s) to the header(s) */
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for (Sources::iterator x = all_new_sources.begin(); x != all_new_sources.end(); ) {
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if ((afs = boost::dynamic_pointer_cast<AudioFileSource>(*x)) != 0) {
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afs->update_header(0, *now, xnow);
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afs->done_with_peakfile_writes ();
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/* now that there is data there, requeue the file for analysis */
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if (Config->get_auto_analyse_audio()) {
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Analyser::queue_source_for_analysis (boost::static_pointer_cast<Source>(*x), false);
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}
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}
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/* don't create tracks for empty MIDI sources (channels) */
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if ((smfs = boost::dynamic_pointer_cast<SMFSource>(*x)) != 0 && smfs->is_empty()) {
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x = all_new_sources.erase(x);
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} else {
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++x;
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}
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}
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/* save state so that we don't lose these new Sources */
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save_state (_name);
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std::copy (all_new_sources.begin(), all_new_sources.end(), std::back_inserter(status.sources));
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} else {
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// this can throw...but it seems very unlikely
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std::for_each (all_new_sources.begin(), all_new_sources.end(), remove_file_source);
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}
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status.done = true;
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}
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