commandline session utilities
This commit is contained in:
Robin Gareus
235
session_utils/export.cc
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235
session_utils/export.cc
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#include <iostream>
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#include <cstdlib>
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#include <getopt.h>
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#include <glibmm.h>
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#include "common.h"
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#include "pbd/basename.h"
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#include "ardour/export_handler.h"
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#include "ardour/export_status.h"
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#include "ardour/export_timespan.h"
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#include "ardour/export_channel_configuration.h"
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#include "ardour/export_format_specification.h"
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#include "ardour/export_filename.h"
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#include "ardour/route.h"
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#include "ardour/session_metadata.h"
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#include "ardour/broadcast_info.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace SessionUtils;
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static int export_session (Session *session,
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std::string outfile,
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std::string samplerate,
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bool normalize)
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{
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ExportTimespanPtr tsp = session->get_export_handler()->add_timespan();
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boost::shared_ptr<ExportChannelConfiguration> ccp = session->get_export_handler()->add_channel_config();
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boost::shared_ptr<ARDOUR::ExportFilename> fnp = session->get_export_handler()->add_filename();
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boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
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XMLTree tree;
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tree.read_buffer(std::string(
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
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"<ExportFormatSpecification name=\"UTIL-WAV-16\" id=\"14792644-44ab-4209-a4f9-7ce6c2910cac\">"
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" <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
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" <SampleRate rate=\""+ samplerate +"\"/>"
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" <SRCQuality quality=\"SRC_SincBest\"/>"
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" <EncodingOptions>"
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" <Option name=\"sample-format\" value=\"SF_16\"/>"
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" <Option name=\"dithering\" value=\"D_None\"/>"
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" <Option name=\"tag-metadata\" value=\"true\"/>"
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" <Option name=\"tag-support\" value=\"false\"/>"
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" <Option name=\"broadcast-info\" value=\"false\"/>"
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" </EncodingOptions>"
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" <Processing>"
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" <Normalize enabled=\""+ (normalize ? "true" : "false") +"\" target=\"0\"/>"
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" <Silence>"
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" <Start>"
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" <Trim enabled=\"false\"/>"
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" <Add enabled=\"false\">"
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" <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
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" </Add>"
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" </Start>"
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" <End>"
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" <Trim enabled=\"false\"/>"
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" <Add enabled=\"false\">"
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" <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
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" </Add>"
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" </End>"
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" </Silence>"
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" </Processing>"
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"</ExportFormatSpecification>"
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));
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boost::shared_ptr<ExportFormatSpecification> fmp = session->get_export_handler()->add_format(*tree.root());
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/* set up range */
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framepos_t start, end;
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start = session->current_start_frame();
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end = session->current_end_frame();
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tsp->set_range (start, end);
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tsp->set_range_id ("session");
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/* add master outs as default */
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IO* master_out = session->master_out()->output().get();
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if (!master_out) {
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PBD::warning << _("Export Util: No Master Out Ports to Connect for Audio Export") << endmsg;
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return -1;
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}
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for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
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PortExportChannel * channel = new PortExportChannel ();
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channel->add_port (master_out->audio (n));
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ExportChannelPtr chan_ptr (channel);
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ccp->register_channel (chan_ptr);
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}
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/* output filename */
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if (outfile.empty ()) {
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tsp->set_name ("session");
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} else {
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std::string dirname = Glib::path_get_dirname (outfile);
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std::string basename = Glib::path_get_basename (outfile);
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if (basename.size() > 4 && !basename.compare (basename.size() - 4, 4, ".wav")) {
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basename = PBD::basename_nosuffix (basename);
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}
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fnp->set_folder(dirname);
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tsp->set_name (basename);
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}
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cout << "* Writing " << Glib::build_filename (fnp->get_folder(), tsp->name() + ".wav") << endl;
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/* output */
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fnp->set_timespan(tsp);
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fnp->include_label = false;
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/* do audio export */
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fmp->set_soundcloud_upload(false);
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session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
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session->get_export_handler()->do_export();
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boost::shared_ptr<ARDOUR::ExportStatus> status = session->get_export_status ();
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// TODO trap SIGINT -> status->abort();
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while (status->running) {
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if (status->normalizing) {
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double progress = ((float) status->current_normalize_cycle) / status->total_normalize_cycles;
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printf ("* Normalizing %.1f%% \r", 100. * progress); fflush (stdout);
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} else {
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double progress = ((float) status->processed_frames_current_timespan) / status->total_frames_current_timespan;
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printf ("* Exporting Audio %.1f%% \r", 100. * progress); fflush (stdout);
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}
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Glib::usleep (1000000);
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}
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printf("\n");
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status->finish ();
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printf ("* Done.\n");
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return 0;
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}
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static void usage (int status) {
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// help2man compatible format (standard GNU help-text)
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printf ("export - export an ardour session from the commandline.\n\n");
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printf ("Usage: export [ OPTIONS ] <session-dir> <session-name>\n\n");
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printf ("Options:\n\
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-h, --help display this help and exit\n\
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-n, --normalize normalize signal level (to 0dBFS)\n\
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-o, --output <file> set expected [initial] framerate\n\
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-s, --samplerate <rate> samplerate to use (default: 48000)\n\
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-V, --version print version information and exit\n\
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\n");
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printf ("\n\
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The session is exported as 16bit wav.\n\
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If the no output file is given, the session's export dir is used.\n\
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\n");
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printf ("Report bugs to <http://tracker.ardour.org/>\n"
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"Website: <http://ardour.org/>\n");
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::exit (status);
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}
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int main (int argc, char* argv[])
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{
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std::string rate = "48000";
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std::string outfile;
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bool normalize = false;
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const char *optstring = "hno:r:V";
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const struct option longopts[] = {
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{ "help", 0, 0, 'h' },
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{ "normalize", 0, 0, 'n' },
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{ "output", 1, 0, 'o' },
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{ "samplerate", 1, 0, 'r' },
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{ "version", 0, 0, 'V' },
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};
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int c = 0;
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while (EOF != (c = getopt_long (argc, argv,
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optstring, longopts, (int *) 0))) {
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switch (c) {
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case 'n':
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normalize = true;
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break;
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case 'o':
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outfile = optarg;
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break;
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case 's':
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{
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const int sr = atoi (optarg);
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if (sr >= 8000 && sr <= 192000) {
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stringstream ss;
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ss << sr;
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rate = ss.str();
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} else {
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fprintf(stderr, "Invalid Samplerate\n");
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}
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}
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break;
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case 'V':
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printf ("ardour-utils version %s\n\n", VERSIONSTRING);
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printf ("Copyright (C) GPL 2015 Robin Gareus <robin@gareus.org>\n");
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exit (0);
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break;
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case 'h':
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usage (0);
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break;
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default:
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usage (EXIT_FAILURE);
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break;
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}
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}
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if (optind + 2 > argc) {
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usage (EXIT_FAILURE);
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}
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SessionUtils::init();
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Session* s = 0;
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s = SessionUtils::load_session (argv[optind], argv[optind+1]);
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export_session (s, outfile, rate, normalize);
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SessionUtils::unload_session(s);
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SessionUtils::cleanup();
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return 0;
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}
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