Paul Davis
3733c995c5
git-svn-id: svn://localhost/trunk/ardour2@187 d708f5d6-7413-0410-9779-e7cbd77b26cf
411 lines
8.5 KiB
C++
411 lines
8.5 KiB
C++
/*
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Copyright (C) 2001 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#include <unistd.h>
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#include <climits>
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#include "export_dialog.h"
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#include "editor.h"
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#include "public_editor.h"
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#include "selection.h"
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#include "time_axis_view.h"
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#include "audio_time_axis.h"
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#include "regionview.h"
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#include "ardour_message.h"
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#include <pbd/pthread_utils.h>
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#include <ardour/types.h>
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#include <ardour/export.h>
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#include <ardour/audio_track.h>
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#include <ardour/filesource.h>
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#include <ardour/diskstream.h>
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#include <ardour/audioregion.h>
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#include <ardour/audioplaylist.h>
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace Gtk;
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void
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Editor::export_session()
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{
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if (session) {
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export_range (0, session->current_end_frame());
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}
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}
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void
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Editor::export_selection ()
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{
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if (session) {
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if (selection->time.empty()) {
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ArdourMessage message (this, X_("norange"), _("There is no range to export.\n\nSelect a range using the range mouse mode"));
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return;
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}
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export_range (selection->time.front().start,
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selection->time.front().end);
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}
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}
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void
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Editor::export_range (jack_nframes_t start, jack_nframes_t end)
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{
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if (session) {
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if (export_dialog == 0) {
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export_dialog = new ExportDialog (*this);
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}
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export_dialog->connect_to_session (session);
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export_dialog->set_range (start, end);
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export_dialog->start_export();
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}
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}
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void
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Editor::export_region ()
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{
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if (clicked_regionview == 0) {
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return;
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}
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ExportDialog* dialog = new ExportDialog (*this, &clicked_regionview->region);
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dialog->connect_to_session (session);
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dialog->set_range (0, clicked_regionview->region.length());
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dialog->start_export();
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}
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int
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Editor::write_region_selection (AudioRegionSelection& regions)
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{
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for (AudioRegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
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if (write_region ("", (*i)->region) == false) {
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return -1;
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}
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}
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return 0;
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}
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void
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Editor::bounce_region_selection ()
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{
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for (AudioRegionSelection::iterator i = selection->audio_regions.begin(); i != selection->audio_regions.end(); ++i) {
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AudioRegion& region ((*i)->region);
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AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(&(*i)->get_time_axis_view());
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AudioTrack* track = dynamic_cast<AudioTrack*>(&(atv->route()));
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InterThreadInfo itt;
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itt.done = false;
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itt.cancel = false;
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itt.progress = 0.0f;
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track->bounce_range (region.position(), region.position() + region.length(), itt);
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}
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}
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bool
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Editor::write_region (string path, AudioRegion& region)
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{
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FileSource* fs;
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const jack_nframes_t chunk_size = 4096;
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jack_nframes_t to_read;
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Sample buf[chunk_size];
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gain_t gain_buffer[chunk_size];
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jack_nframes_t pos;
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char s[PATH_MAX+1];
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uint32_t cnt;
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vector<FileSource *> sources;
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uint32_t nchans;
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nchans = region.n_channels();
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/* don't do duplicate of the entire source if that's what is going on here */
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if (region.start() == 0 && region.length() == region.source().length()) {
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/* XXX should link(2) to create a new inode with "path" */
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return true;
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}
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if (path.length() == 0) {
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for (uint32_t n=0; n < nchans; ++n) {
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for (cnt = 0; cnt < 999999; ++cnt) {
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if (nchans == 1) {
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snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
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legalize_for_path(region.name()).c_str(), cnt);
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}
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else {
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snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
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legalize_for_path(region.name()).c_str(), cnt, n);
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}
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path = s;
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if (::access (path.c_str(), F_OK) != 0) {
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break;
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}
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}
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if (cnt == 999999) {
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error << "" << endmsg;
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goto error_out;
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}
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try {
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fs = new FileSource (path, session->frame_rate());
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}
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catch (failed_constructor& err) {
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goto error_out;
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}
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sources.push_back (fs);
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}
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}
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else {
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/* TODO: make filesources based on passed path */
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}
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to_read = region.length();
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pos = region.position();
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while (to_read) {
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jack_nframes_t this_time;
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this_time = min (to_read, chunk_size);
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for (vector<FileSource *>::iterator src=sources.begin(); src != sources.end(); ++src) {
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fs = (*src);
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if (region.read_at (buf, buf, gain_buffer, pos, this_time) != this_time) {
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break;
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}
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if (fs->write (buf, this_time) != this_time) {
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error << "" << endmsg;
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goto error_out;
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}
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}
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to_read -= this_time;
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pos += this_time;
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}
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time_t tnow;
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struct tm* now;
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time (&tnow);
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now = localtime (&tnow);
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for (vector<FileSource *>::iterator src = sources.begin(); src != sources.end(); ++src) {
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(*src)->update_header (0, *now, tnow);
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}
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return true;
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error_out:
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for (vector<FileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
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(*i)->mark_for_remove ();
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delete (*i);
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}
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return 0;
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}
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int
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Editor::write_audio_selection (TimeSelection& ts)
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{
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int ret = 0;
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if (selection->tracks.empty()) {
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return 0;
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}
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for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
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AudioTimeAxisView* atv;
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if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) == 0) {
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continue;
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}
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if (atv->is_audio_track()) {
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Playlist* playlist = atv->get_diskstream()->playlist();
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if (playlist && write_audio_range (*playlist, atv->get_diskstream()->n_channels(), ts) == 0) {
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ret = -1;
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break;
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}
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}
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}
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return ret;
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}
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bool
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Editor::write_audio_range (Playlist& playlist, uint32_t channels, list<AudioRange>& range)
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{
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FileSource* fs;
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const jack_nframes_t chunk_size = 4096;
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jack_nframes_t nframes;
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Sample buf[chunk_size];
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gain_t gain_buffer[chunk_size];
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jack_nframes_t pos;
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char s[PATH_MAX+1];
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uint32_t cnt;
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string path;
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vector<FileSource *> sources;
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for (uint32_t n=0; n < channels; ++n) {
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for (cnt = 0; cnt < 999999; ++cnt) {
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if (channels == 1) {
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snprintf (s, sizeof(s), "%s/%s_%" PRIu32 ".wav", session->sound_dir().c_str(),
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legalize_for_path(playlist.name()).c_str(), cnt);
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}
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else {
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snprintf (s, sizeof(s), "%s/%s_%" PRIu32 "-%" PRId32 ".wav", session->sound_dir().c_str(),
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legalize_for_path(playlist.name()).c_str(), cnt, n);
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}
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if (::access (s, F_OK) != 0) {
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break;
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}
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}
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if (cnt == 999999) {
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error << "" << endmsg;
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goto error_out;
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}
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path = s;
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try {
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fs = new FileSource (path, session->frame_rate());
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}
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catch (failed_constructor& err) {
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goto error_out;
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}
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sources.push_back (fs);
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}
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for (list<AudioRange>::iterator i = range.begin(); i != range.end();) {
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nframes = (*i).length();
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pos = (*i).start;
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while (nframes) {
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jack_nframes_t this_time;
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this_time = min (nframes, chunk_size);
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for (uint32_t n=0; n < channels; ++n) {
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fs = sources[n];
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if (playlist.read (buf, buf, gain_buffer, pos, this_time, n) != this_time) {
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break;
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}
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if (fs->write (buf, this_time) != this_time) {
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goto error_out;
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}
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}
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nframes -= this_time;
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pos += this_time;
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}
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list<AudioRange>::iterator tmp = i;
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++tmp;
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if (tmp != range.end()) {
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/* fill gaps with silence */
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nframes = (*tmp).start - (*i).end;
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while (nframes) {
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jack_nframes_t this_time = min (nframes, chunk_size);
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memset (buf, 0, sizeof (Sample) * this_time);
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for (uint32_t n=0; n < channels; ++n) {
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fs = sources[n];
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if (fs->write (buf, this_time) != this_time) {
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goto error_out;
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}
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}
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nframes -= this_time;
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}
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}
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i = tmp;
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}
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time_t tnow;
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struct tm* now;
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time (&tnow);
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now = localtime (&tnow);
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for (uint32_t n=0; n < channels; ++n) {
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sources[n]->update_header (0, *now, tnow);
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// do we need to ref it again?
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}
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return true;
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error_out:
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/* unref created files */
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for (vector<FileSource*>::iterator i = sources.begin(); i != sources.end(); ++i) {
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(*i)->mark_for_remove ();
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delete *i;
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}
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return false;
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}
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void
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Editor::write_selection ()
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{
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if (!selection->time.empty()) {
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write_audio_selection (selection->time);
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} else if (!selection->audio_regions.empty()) {
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write_region_selection (selection->audio_regions);
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}
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}
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