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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 "pbd/enumwriter.h"
#include "ardour/broadcast_info.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;
struct ExportSettings
{
ExportSettings ()
: _samplerate (0)
, _sample_format (ExportFormatBase::SF_16)
, _normalize (false)
, _bwf (false)
{}
std::string samplerate () const
{
stringstream ss;
ss << _samplerate;
return ss.str();
}
std::string sample_format () const
{
return enum_2_string (_sample_format);
}
std::string normalize () const
{
return _normalize ? "true" : "false";
}
std::string bwf () const
{
return _bwf ? "true" : "false";
}
int _samplerate;
ExportFormatBase::SampleFormat _sample_format;
bool _normalize;
bool _bwf;
};
static int export_session (Session *session,
std::string outfile,
ExportSettings const& settings)
{
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<ARDOUR::BroadcastInfo> b;
XMLTree tree;
tree.read_buffer(std::string(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<ExportFormatSpecification name=\"UTIL-WAV-EXPORT\" id=\"b1280899-0459-4aef-9dc9-7e2277fa6d24\">"
" <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
" <SampleRate rate=\""+ settings.samplerate () +"\"/>"
" <SRCQuality quality=\"SRC_SincBest\"/>"
" <EncodingOptions>"
" <Option name=\"sample-format\" value=\"" + settings.sample_format () + "\"/>"
" <Option name=\"dithering\" value=\"D_None\"/>"
" <Option name=\"tag-metadata\" value=\"true\"/>"
" <Option name=\"tag-support\" value=\"false\"/>"
" <Option name=\"broadcast-info\" value=\"" + settings.bwf () +"\"/>"
" </EncodingOptions>"
" <Processing>"
" <Normalize enabled=\""+ settings.normalize () +"\" 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 */
samplepos_t start, end;
start = session->current_start_sample();
end = session->current_end_sample();
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);
}
/* set broadcast info */
if (settings._bwf) {
b.reset (new BroadcastInfo);
b->set_from_session (*session, tsp->get_start ());
}
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();
while (status->running ()) {
double progress = 0.0;
switch (status->active_job) {
case ExportStatus::Normalizing:
progress = ((float) status->current_postprocessing_cycle) / status->total_postprocessing_cycles;
printf ("* Normalizing %.1f%% \r", 100. * progress); fflush (stdout);
break;
case ExportStatus::Exporting:
progress = ((float) status->processed_samples_current_timespan) / status->total_samples_current_timespan;
printf ("* Exporting Audio %.1f%% \r", 100. * progress); fflush (stdout);
break;
default:
printf ("* Exporting... \r");
break;
}
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 (UTILNAME " - export an ardour session from the commandline.\n\n");
printf ("Usage: " UTILNAME " [ OPTIONS ] <session-dir> <session/snapshot-name>\n\n");
printf ("Options:\n\
-b, --bitdepth <depth> set export-format (16, 24, 32, float)\n\
-B, --broadcast include broadcast wave header\n\
-h, --help display this help and exit\n\
-n, --normalize normalize signal level (to 0dBFS)\n\
-o, --output <file> export output file name\n\
-s, --samplerate <rate> samplerate to use\n\
-V, --version print version information and exit\n\
\n");
printf ("\n\
This tool exports the session-range of a given ardour-session to a wave file,\n\
using the master-bus outputs.\n\
By default a 16bit signed .wav file at session-rate is exported.\n\
If the no output-file is given, the session's export dir is used.\n\
\n\
Note: the tool expects a session-name without .ardour file-name extension.\n\
\n");
printf ("Report bugs to <http://tracker.ardour.org/>\n"
"Website: <http://ardour.org/>\n");
::exit (status);
}
int main (int argc, char* argv[])
{
ExportSettings settings;
std::string outfile;
const char *optstring = "b:Bhno:s:V";
const struct option longopts[] = {
{ "bitdepth", 1, 0, 'b' },
{ "broadcast", 0, 0, 'B' },
{ "help", 0, 0, 'h' },
{ "normalize", 0, 0, 'n' },
{ "output", 1, 0, 'o' },
{ "samplerate", 1, 0, 's' },
{ "version", 0, 0, 'V' },
};
int c = 0;
while (EOF != (c = getopt_long (argc, argv,
optstring, longopts, (int *) 0))) {
switch (c) {
case 'b':
switch (atoi (optarg)) {
case 16:
settings._sample_format = ExportFormatBase::SF_16;
break;
case 24:
settings._sample_format = ExportFormatBase::SF_24;
break;
case 32:
settings._sample_format = ExportFormatBase::SF_32;
break;
case 0:
if (0 == strcmp (optarg, "float")) {
settings._sample_format = ExportFormatBase::SF_Float;
break;
}
/* fall through */
default:
fprintf(stderr, "Invalid Bit Depth\n");
break;
}
break;
case 'B':
settings._bwf = true;
break;
case 'n':
settings._normalize = true;
break;
case 'o':
outfile = optarg;
break;
case 's':
{
const int sr = atoi (optarg);
if (sr >= 8000 && sr <= 192000) {
settings._samplerate = sr;
} else {
fprintf(stderr, "Invalid Samplerate\n");
}
}
break;
case 'V':
printf ("ardour-utils version %s\n\n", VERSIONSTRING);
printf ("Copyright (C) GPL 2015,2017 Robin Gareus <robin@gareus.org>\n");
exit (EXIT_SUCCESS);
break;
case 'h':
usage (EXIT_SUCCESS);
break;
default:
usage (EXIT_FAILURE);
break;
}
}
if (optind + 2 > argc) {
usage (EXIT_FAILURE);
}
SessionUtils::init(false);
Session* s = 0;
s = SessionUtils::load_session (argv[optind], argv[optind+1]);
if (settings._samplerate == 0) {
settings._samplerate = s->nominal_sample_rate ();
}
export_session (s, outfile, settings);
SessionUtils::unload_session(s);
SessionUtils::cleanup();
return 0;
}
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