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livetrax/session_utils/export.cc

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#include <iostream>
#include <cstdlib>
#include <getopt.h>
#include <glibmm.h>
#include "common.h"
#include "pbd/basename.h"
#include "ardour/export_handler.h"
#include "ardour/export_status.h"
#include "ardour/export_timespan.h"
#include "ardour/export_channel_configuration.h"
#include "ardour/export_format_specification.h"
#include "ardour/export_filename.h"
#include "ardour/route.h"
#include "ardour/session_metadata.h"
#include "ardour/broadcast_info.h"
using namespace std;
using namespace ARDOUR;
using namespace SessionUtils;
static int export_session (Session *session,
std::string outfile,
std::string samplerate,
bool normalize)
{
ExportTimespanPtr tsp = session->get_export_handler()->add_timespan();
boost::shared_ptr<ExportChannelConfiguration> ccp = session->get_export_handler()->add_channel_config();
boost::shared_ptr<ARDOUR::ExportFilename> fnp = session->get_export_handler()->add_filename();
boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
XMLTree tree;
tree.read_buffer(std::string(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<ExportFormatSpecification name=\"UTIL-WAV-16\" id=\"14792644-44ab-4209-a4f9-7ce6c2910cac\">"
" <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
" <SampleRate rate=\""+ samplerate +"\"/>"
" <SRCQuality quality=\"SRC_SincBest\"/>"
" <EncodingOptions>"
" <Option name=\"sample-format\" value=\"SF_16\"/>"
" <Option name=\"dithering\" value=\"D_None\"/>"
" <Option name=\"tag-metadata\" value=\"true\"/>"
" <Option name=\"tag-support\" value=\"false\"/>"
" <Option name=\"broadcast-info\" value=\"false\"/>"
" </EncodingOptions>"
" <Processing>"
" <Normalize enabled=\""+ (normalize ? "true" : "false") +"\" target=\"0\"/>"
" <Silence>"
" <Start>"
" <Trim enabled=\"false\"/>"
" <Add enabled=\"false\">"
" <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
" </Add>"
" </Start>"
" <End>"
" <Trim enabled=\"false\"/>"
" <Add enabled=\"false\">"
" <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
" </Add>"
" </End>"
" </Silence>"
" </Processing>"
"</ExportFormatSpecification>"
));
boost::shared_ptr<ExportFormatSpecification> fmp = session->get_export_handler()->add_format(*tree.root());
/* set up range */
framepos_t start, end;
start = session->current_start_frame();
end = session->current_end_frame();
tsp->set_range (start, end);
tsp->set_range_id ("session");
/* add master outs as default */
IO* master_out = session->master_out()->output().get();
if (!master_out) {
PBD::warning << _("Export Util: No Master Out Ports to Connect for Audio Export") << endmsg;
return -1;
}
for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
PortExportChannel * channel = new PortExportChannel ();
channel->add_port (master_out->audio (n));
ExportChannelPtr chan_ptr (channel);
ccp->register_channel (chan_ptr);
}
/* output filename */
if (outfile.empty ()) {
tsp->set_name ("session");
} else {
std::string dirname = Glib::path_get_dirname (outfile);
std::string basename = Glib::path_get_basename (outfile);
if (basename.size() > 4 && !basename.compare (basename.size() - 4, 4, ".wav")) {
basename = PBD::basename_nosuffix (basename);
}
fnp->set_folder(dirname);
tsp->set_name (basename);
}
cout << "* Writing " << Glib::build_filename (fnp->get_folder(), tsp->name() + ".wav") << endl;
/* output */
fnp->set_timespan(tsp);
fnp->include_label = false;
/* do audio export */
fmp->set_soundcloud_upload(false);
session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
session->get_export_handler()->do_export();
boost::shared_ptr<ARDOUR::ExportStatus> status = session->get_export_status ();
// TODO trap SIGINT -> status->abort();
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while (status->running ()) {
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double progress = 0.0;
switch (status->active_job) {
case ExportStatus::Normalizing:
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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break;
case ExportStatus::Exporting:
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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break;
default:
printf ("* Exporting... \r");
break;
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}
Glib::usleep (1000000);
}
printf("\n");
status->finish ();
printf ("* Done.\n");
return 0;
}
static void usage (int status) {
// help2man compatible format (standard GNU help-text)
printf ("export - export an ardour session from the commandline.\n\n");
printf ("Usage: export [ OPTIONS ] <session-dir> <session-name>\n\n");
printf ("Options:\n\
-h, --help display this help and exit\n\
-n, --normalize normalize signal level (to 0dBFS)\n\
-o, --output <file> set expected [initial] framerate\n\
-s, --samplerate <rate> samplerate to use (default: 48000)\n\
-V, --version print version information and exit\n\
\n");
printf ("\n\
The session is exported as 16bit wav.\n\
If the no output file is given, the session's export dir is used.\n\
\n");
printf ("Report bugs to <http://tracker.ardour.org/>\n"
"Website: <http://ardour.org/>\n");
::exit (status);
}
int main (int argc, char* argv[])
{
std::string rate = "48000";
std::string outfile;
bool normalize = false;
const char *optstring = "hno:r:V";
const struct option longopts[] = {
{ "help", 0, 0, 'h' },
{ "normalize", 0, 0, 'n' },
{ "output", 1, 0, 'o' },
{ "samplerate", 1, 0, 'r' },
{ "version", 0, 0, 'V' },
};
int c = 0;
while (EOF != (c = getopt_long (argc, argv,
optstring, longopts, (int *) 0))) {
switch (c) {
case 'n':
normalize = true;
break;
case 'o':
outfile = optarg;
break;
case 's':
{
const int sr = atoi (optarg);
if (sr >= 8000 && sr <= 192000) {
stringstream ss;
ss << sr;
rate = ss.str();
} else {
fprintf(stderr, "Invalid Samplerate\n");
}
}
break;
case 'V':
printf ("ardour-utils version %s\n\n", VERSIONSTRING);
printf ("Copyright (C) GPL 2015 Robin Gareus <robin@gareus.org>\n");
exit (0);
break;
case 'h':
usage (0);
break;
default:
usage (EXIT_FAILURE);
break;
}
}
if (optind + 2 > argc) {
usage (EXIT_FAILURE);
}
SessionUtils::init();
Session* s = 0;
s = SessionUtils::load_session (argv[optind], argv[optind+1]);
export_session (s, outfile, rate, normalize);
SessionUtils::unload_session(s);
SessionUtils::cleanup();
return 0;
}