Initial import of gtk2_ardour.

git-svn-id: svn://localhost/trunk/ardour2@24 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 437 insertions, 0 deletions

diff --git a/gtk2_ardour/editor_export_audio.cc b/gtk2_ardour/editor_export_audio.cc
new file mode 100644
index 0000000000..b4ee6eecdf
--- /dev/null
+++ b/gtk2_ardour/editor_export_audio.cc
@@ -0,0 +1,437 @@
+/*
+    Copyright (C) 2001 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 <unistd.h>
+#include <climits>
+#include "export_dialog.h"
+#include "editor.h"
+#include "public_editor.h"
+#include "selection.h"
+#include "time_axis_view.h"
+#include "audio_time_axis.h"
+#include "regionview.h"
+#include "ardour_message.h"
+
+#include <pbd/pthread_utils.h>
+#include <ardour/types.h>
+#include <ardour/export.h>
+#include <ardour/audio_track.h>
+#include <ardour/filesource.h>
+#include <ardour/diskstream.h>
+#include <ardour/audioregion.h>
+#include <ardour/audioplaylist.h>
+
+#include "i18n.h"
+
+using namespace std;
+using namespace ARDOUR;
+using namespace Gtk;
+
+void
+Editor::export_session()
+{
+	if (session) {
+		export_range (0, session->current_end_frame());
+	}
+}
+
+void
+Editor::export_selection ()
+{
+	if (session) {
+		if (selection->time.empty()) {
+			ArdourMessage message (this, X_("norange"), _("There is no range to export.\n\nSelect a range using the range mouse mode"));
+			return;
+		}
+
+		export_range (selection->time.front().start, 
+			      selection->time.front().end);
+	}
+}
+
+void
+Editor::export_range (jack_nframes_t start, jack_nframes_t end)
+{
+	if (session) {
+		if (export_dialog == 0) {
+			export_dialog = new ExportDialog (*this);
+		}
+		
+		export_dialog->connect_to_session (session);
+		export_dialog->set_range (start, end);
+		export_dialog->start_export();
+	}
+}	
+
+void
+Editor::export_region ()
+{
+	if (clicked_regionview == 0) {
+		return;
+	}
+
+	ExportDialog* dialog = new ExportDialog (*this, &clicked_regionview->region);
+		
+	dialog->connect_to_session (session);
+	dialog->set_range (0, clicked_regionview->region.length());
+	dialog->start_export();
+}
+
+void
+Editor::write_a_region ()
+{
+	if (clicked_regionview == 0) {
+		return;
+	}
+
+	FileSelection file_selector;
+
+	file_selector.get_selection_entry()->activate.connect (bind (slot (*this, &Editor::finish_sub_event_loop), 1));
+	file_selector.get_cancel_button()->clicked.connect (bind (slot (*this, &Editor::finish_sub_event_loop), -1));
+	file_selector.get_ok_button()->clicked.connect (bind (slot (*this, &Editor::finish_sub_event_loop), 1));
+	file_selector.delete_event.connect (bind (slot (*this, &Editor::finish_sub_event_loop_on_delete), -1));
+
+	file_selector.show_all();
+
+	run_sub_event_loop ();
+	
+	if (sub_event_loop_status == 1) {
+		string path = file_selector.get_filename();
+		printf ("got region: %s\n", path.c_str());
+		if (path.length()) {
+			write_region (path, clicked_regionview->region);
+		} 
+	}
+}
+
+int
+Editor::write_region_selection (AudioRegionSelection& regions)
+{
+	for (AudioRegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
+		if (write_region ("", (*i)->region) == false) {
+			return -1;
+		}
+	}
+	return 0;
+}
+
+void
+Editor::bounce_region_selection ()
+{
+	for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
+		
+		AudioRegion& region ((*i)->region);
+		AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(&(*i)->get_time_axis_view());
+		AudioTrack* track = dynamic_cast<AudioTrack*>(&(atv->route()));
+
+		InterThreadInfo itt;
+
+		itt.done = false;
+		itt.cancel = false;
+		itt.progress = 0.0f;
+
+		track->bounce_range (region.position(), region.position() + region.length(), itt);
+	}
+}
+
+bool
+Editor::write_region (string path, AudioRegion& region)
+{
+	FileSource* fs;
+	const jack_nframes_t chunk_size = 4096;
+	jack_nframes_t to_read;
+	Sample buf[chunk_size];
+	gain_t gain_buffer[chunk_size];
+	jack_nframes_t pos;
+	char s[PATH_MAX+1];
+	uint32_t cnt;
+	vector<FileSource *> sources;
+	uint32_t nchans;
+	
+	nchans = region.n_channels();
+	
+	/* don't do duplicate of the entire source if that's what is going on here */
+
+	if (region.start() == 0 && region.length() == region.source().length()) {
+		/* XXX should link(2) to create a new inode with "path" */
+		return true;
+	}
+
+	if (path.length() == 0) {
+
+		for (uint32_t n=0; n < nchans; ++n) {
+			
+			for (cnt = 0; cnt < 999999; ++cnt) {
+				if (nchans == 1) {
+					snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
+						  legalize_for_path(region.name()).c_str(), cnt);
+				}
+				else {
+					snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
+						  legalize_for_path(region.name()).c_str(), cnt, n);
+				}
+
+				path = s;
+				
+				if (::access (path.c_str(), F_OK) != 0) {
+					break;
+				}
+			}
+			
+			if (cnt == 999999) {
+				error << "" << endmsg;
+				goto error_out;
+			}
+			
+		
+			
+			try {
+				fs = new FileSource (path, session->frame_rate());
+			}
+			
+			catch (failed_constructor& err) {
+				goto error_out;
+			}
+
+			sources.push_back (fs);
+		}
+	}
+	else {
+		/* TODO: make filesources based on passed path */
+
+	}
+	
+	to_read = region.length();
+	pos = region.position();
+
+	while (to_read) {
+		jack_nframes_t this_time;
+
+		this_time = min (to_read, chunk_size);
+
+		for (vector<FileSource *>::iterator src=sources.begin(); src != sources.end(); ++src) {
+
+			fs = (*src);
+			
+			if (region.read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
+				break;
+			}
+			
+			if (fs->write (buf, this_time) != this_time) {
+				error << "" << endmsg;
+				goto error_out;
+			}
+		}
+
+		to_read -= this_time;
+		pos += this_time;
+	}
+
+	time_t tnow;
+	struct tm* now;
+	time (&tnow);
+	now = localtime (&tnow);
+	
+	for (vector<FileSource *>::iterator src = sources.begin(); src != sources.end(); ++src) {
+		(*src)->update_header (0, *now, tnow);
+	}
+
+	return true;
+
+error_out:
+
+	for (vector<FileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
+		(*i)->mark_for_remove ();
+		delete (*i);
+	}
+
+	return 0;
+}
+
+int
+Editor::write_audio_selection (TimeSelection& ts)
+{
+	int ret = 0;
+
+	if (selection->tracks.empty()) {
+		return 0;
+	}
+
+	for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
+
+		AudioTimeAxisView* atv;
+
+		if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
+			continue;
+		}
+
+		if (atv->is_audio_track()) {
+
+			Playlist* playlist = atv->get_diskstream()->playlist();
+			
+			if (playlist && write_audio_range (*playlist, atv->get_diskstream()->n_channels(), ts) == 0) {
+				ret = -1;
+				break;
+			}
+		}
+	}
+
+	return ret;
+}
+
+bool
+Editor::write_audio_range (Playlist& playlist, uint32_t channels, list<AudioRange>& range)
+{
+	FileSource* fs;
+	const jack_nframes_t chunk_size = 4096;
+	jack_nframes_t nframes;
+	Sample buf[chunk_size];
+	gain_t gain_buffer[chunk_size];
+	jack_nframes_t pos;
+	char s[PATH_MAX+1];
+	uint32_t cnt;
+	string path;
+	vector<FileSource *> sources;
+
+	for (uint32_t n=0; n < channels; ++n) {
+		
+		for (cnt = 0; cnt < 999999; ++cnt) {
+			if (channels == 1) {
+				snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
+					  legalize_for_path(playlist.name()).c_str(), cnt);
+			}
+			else {
+				snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
+					  legalize_for_path(playlist.name()).c_str(), cnt, n);
+			}
+			
+			if (::access (s, F_OK) != 0) {
+				break;
+			}
+		}
+		
+		if (cnt == 999999) {
+			error << "" << endmsg;
+			goto error_out;
+		}
+
+		path = s;
+		
+		try {
+			fs = new FileSource (path, session->frame_rate());
+		}
+		
+		catch (failed_constructor& err) {
+			goto error_out;
+		}
+		
+		sources.push_back (fs);
+
+	}
+	
+
+	for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
+	
+		nframes = (*i).length();
+		pos = (*i).start;
+		
+		while (nframes) {
+			jack_nframes_t this_time;
+			
+			this_time = min (nframes, chunk_size);
+
+			for (uint32_t n=0; n < channels; ++n) {
+
+				fs = sources[n];
+				
+				if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
+					break;
+				}
+				
+				if (fs->write (buf, this_time) != this_time) {
+					goto error_out;
+				}
+			}
+			
+			nframes -= this_time;
+			pos += this_time;
+		}
+		
+		list<AudioRange>::iterator tmp = i;
+		++tmp;
+
+		if (tmp != range.end()) {
+			
+			/* fill gaps with silence */
+			
+			nframes = (*tmp).start - (*i).end;
+
+			while (nframes) {
+
+				jack_nframes_t this_time = min (nframes, chunk_size);
+				memset (buf, 0, sizeof (Sample) * this_time);
+
+				for (uint32_t n=0; n < channels; ++n) {
+
+					fs = sources[n];
+					if (fs->write (buf, this_time) != this_time) {
+						goto error_out;
+					}
+				}
+
+				nframes -= this_time;
+			}
+		}
+
+		i = tmp;
+	}
+
+	time_t tnow;
+	struct tm* now;
+	time (&tnow);
+	now = localtime (&tnow);
+
+	for (uint32_t n=0; n < channels; ++n) {
+		sources[n]->update_header (0, *now, tnow);
+		// do we need to ref it again?
+	}
+	
+	return true;
+
+error_out:
+	/* unref created files */
+
+	for (vector<FileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
+		(*i)->mark_for_remove ();
+		delete *i;
+	}
+
+	return false;
+}
+
+void
+Editor::write_selection ()
+{
+	if (!selection->time.empty()) {
+		write_audio_selection (selection->time);
+	} else if (!selection->audio_regions.empty()) {
+		write_region_selection (selection->audio_regions);
+	}
+}