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livetrax/gtk2_ardour/editor_audio_import.cc

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/*
Copyright (C) 2000-2006 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#include <pbd/pthread_utils.h>
#include <pbd/basename.h>
#include <gtkmm2ext/choice.h>
#include <ardour/session.h>
#include <ardour/audioplaylist.h>
#include <ardour/audioregion.h>
#include <ardour/audio_diskstream.h>
#include <ardour/utils.h>
#include <ardour/audio_track.h>
#include <ardour/audioplaylist.h>
#include <ardour/audiofilesource.h>
#include <ardour/region_factory.h>
#include <ardour/source_factory.h>
#include <pbd/memento_command.h>
#include "ardour_ui.h"
#include "editor.h"
#include "sfdb_ui.h"
#include "editing.h"
#include "audio_time_axis.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace sigc;
using namespace Gtk;
using namespace Editing;
/* Functions supporting the incorporation of external (non-captured) audio material into ardour */
void
Editor::add_external_audio_action (ImportMode mode)
{
nframes_t& pos = edit_cursor->current_frame;
AudioTrack* track = 0;
if (!selection->tracks.empty()) {
AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.front());
if (atv) {
track = atv->audio_track();
}
}
bring_in_external_audio (mode, track, pos, false);
}
void
Editor::bring_in_external_audio (ImportMode mode, AudioTrack* track, nframes_t& pos, bool prompt)
{
if (session == 0) {
MessageDialog msg (0, _("You can't import or embed an audiofile until you have a session loaded."));
msg.run ();
return;
}
SoundFileOmega sfdb (_("Add existing audio to session"), session);
sfdb.set_mode (mode);
switch (sfdb.run()) {
case SoundFileOmega::ResponseImport:
do_import (sfdb.get_paths(), sfdb.get_split(), sfdb.get_mode(), track, pos, prompt);
break;
case SoundFileOmega::ResponseEmbed:
do_embed (sfdb.get_paths(), sfdb.get_split(), sfdb.get_mode(), track, pos, prompt);
break;
default:
break;
}
}
void
Editor::do_import (vector<Glib::ustring> paths, bool split, ImportMode mode, AudioTrack* track, nframes_t& pos, bool prompt)
{
/* SFDB sets "multichan" to true to indicate "split channels"
so reverse the setting to match the way libardour
interprets it.
*/
import_status.multichan = !split;
if (interthread_progress_window == 0) {
build_interthread_progress_window ();
}
/* for each path that was selected, import it and then potentially create a new track
containing the new region as the sole contents.
*/
for (vector<Glib::ustring>::iterator i = paths.begin(); i != paths.end(); ++i ) {
import_sndfile (*i, mode, track, pos);
}
interthread_progress_window->hide_all ();
}
void
Editor::do_embed (vector<Glib::ustring> paths, bool split, ImportMode mode, AudioTrack* track, nframes_t& pos, bool prompt)
{
bool multiple_files = paths.size() > 1;
bool check_sample_rate = true;
vector<Glib::ustring>::iterator i;
for (i = paths.begin(); i != paths.end(); ++i) {
int ret = embed_sndfile (*i, split, multiple_files, check_sample_rate, mode, track, pos, prompt);
if (ret < -1) {
break;
}
}
if (i == paths.end()) {
session->save_state ("");
}
}
int
Editor::import_sndfile (Glib::ustring path, ImportMode mode, AudioTrack* track, nframes_t& pos)
{
interthread_progress_window->set_title (string_compose (_("ardour: importing %1"), path));
interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
interthread_progress_window->show_all ();
interthread_progress_bar.set_fraction (0.0f);
interthread_cancel_label.set_text (_("Cancel Import"));
current_interthread_info = &import_status;
import_status.pathname = path;
import_status.done = false;
import_status.cancel = false;
import_status.freeze = false;
import_status.done = 0.0;
interthread_progress_connection = Glib::signal_timeout().connect
(bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
ARDOUR_UI::instance()->flush_pending ();
/* start import thread for this path. this will ultimately call Session::import_audiofile()
and if successful will add the file as a region to the session region list.
*/
pthread_create_and_store ("import", &import_status.thread, 0, _import_thread, this);
pthread_detach (import_status.thread);
while (!(import_status.done || import_status.cancel)) {
gtk_main_iteration ();
}
import_status.done = true;
interthread_progress_connection.disconnect ();
/* import thread finished - see if we should build a new track */
if (!import_status.new_regions.empty()) {
boost::shared_ptr<AudioRegion> region (import_status.new_regions.front());
finish_bringing_in_audio (region, region->n_channels(), region->n_channels(), track, pos, mode);
}
track_canvas.get_window()->set_cursor (*current_canvas_cursor);
return 0;
}
int
Editor::embed_sndfile (Glib::ustring path, bool split, bool multiple_files, bool& check_sample_rate, ImportMode mode,
AudioTrack* track, nframes_t& pos, bool prompt)
{
boost::shared_ptr<AudioFileSource> source;
SourceList sources;
boost::shared_ptr<AudioRegion> region;
string idspec;
string linked_path;
SoundFileInfo finfo;
string region_name;
uint32_t input_chan;
uint32_t output_chan;
track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
ARDOUR_UI::instance()->flush_pending ();
/* lets see if we can link it into the session */
linked_path = session->sound_dir();
linked_path += Glib::path_get_basename (path);
if (link (path.c_str(), linked_path.c_str()) == 0) {
/* there are many reasons why link(2) might have failed.
but if it succeeds, we now have a link in the
session sound dir that will protect against
unlinking of the original path. nice.
*/
path = linked_path;
}
/* note that we temporarily truncated _id at the colon */
string error_msg;
if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), selection, error_msg ) << endmsg;
return 0;
}
if (check_sample_rate && (finfo.samplerate != (int) session->frame_rate())) {
vector<string> choices;
if (multiple_files) {
choices.push_back (_("Cancel entire import"));
choices.push_back (_("Don't embed it"));
choices.push_back (_("Embed all without questions"));
} else {
choices.push_back (_("Cancel"));
}
choices.push_back (_("Embed it anyway"));
Gtkmm2ext::Choice rate_choice (
string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
choices, false);
switch (rate_choice.run()) {
case 0: /* stop a multi-file import */
case 1: /* don't import this one */
return -1;
case 2: /* do it, and the rest without asking */
check_sample_rate = false;
break;
case 3: /* do it */
break;
default:
return -2;
}
}
track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
ARDOUR_UI::instance()->flush_pending ();
/* make the proper number of channels in the region */
for (int n = 0; n < finfo.channels; ++n)
{
idspec = path;
idspec += string_compose(":%1", n);
try {
source = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createReadable (*session, idspec, (mode == ImportAsTrack ? AudioFileSource::Destructive : AudioFileSource::Flag (0))));
sources.push_back(source);
}
catch (failed_constructor& err) {
error << string_compose(_("could not open %1"), path) << endmsg;
goto out;
}
ARDOUR_UI::instance()->flush_pending ();
}
if (sources.empty()) {
goto out;
}
region_name = PBD::basename_nosuffix (path);
region_name += "-0";
region = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (sources, 0, sources[0]->length(), region_name, 0,
Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External)));
input_chan = finfo.channels;
if (Config->get_output_auto_connect() & AutoConnectMaster) {
output_chan = (session->master_out() ? session->master_out()->n_inputs() : input_chan);
} else {
output_chan = input_chan;
}
finish_bringing_in_audio (region, input_chan, output_chan, track, pos, mode);
out:
track_canvas.get_window()->set_cursor (*current_canvas_cursor);
return 0;
}
int
Editor::finish_bringing_in_audio (boost::shared_ptr<AudioRegion> region, uint32_t in_chans, uint32_t out_chans, AudioTrack* track, nframes_t& pos, ImportMode mode)
{
switch (mode) {
case ImportAsRegion:
/* relax, its been done */
break;
case ImportToTrack:
if (track) {
Playlist* playlist = track->diskstream()->playlist();
boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
begin_reversible_command (_("insert sndfile"));
XMLNode &before = playlist->get_state();
playlist->add_region (copy, pos);
session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
commit_reversible_command ();
pos += region->length();
}
break;
case ImportAsTrack:
{
list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Normal, 1));
if (!at.empty()) {
boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
at.front()->diskstream()->playlist()->add_region (copy, pos);
}
break;
}
case ImportAsTapeTrack:
{
list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Destructive));
if (!at.empty()) {
boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
at.front()->diskstream()->playlist()->add_region (copy, pos);
}
break;
}
}
return 0;
}
void *
Editor::_import_thread (void *arg)
{
PBD::ThreadCreated (pthread_self(), X_("Import"));
Editor *ed = (Editor *) arg;
return ed->import_thread ();
}
void *
Editor::import_thread ()
{
session->import_audiofile (import_status);
pthread_exit_pbd (0);
/*NOTREACHED*/
return 0;
}
gint
Editor::import_progress_timeout (void *arg)
{
interthread_progress_label.set_text (import_status.doing_what);
if (import_status.freeze) {
interthread_cancel_button.set_sensitive(false);
} else {
interthread_cancel_button.set_sensitive(true);
}
if (import_status.doing_what == "building peak files") {
interthread_progress_bar.pulse ();
return FALSE;
} else {
interthread_progress_bar.set_fraction (import_status.progress);
}
return !(import_status.done || import_status.cancel);
}