diff options
author | Taybin Rutkin <taybin@taybin.com> | 2005-09-25 18:42:24 +0000 |
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committer | Taybin Rutkin <taybin@taybin.com> | 2005-09-25 18:42:24 +0000 |
commit | 209d967b1bb80a9735d690d8f4f0455ecb9970ca (patch) | |
tree | 9d76ddcd7c1ac9d91bb2b1a33d31b66ce4ded5de /gtk2_ardour/editor_export_audio.cc | |
parent | e4b9aed743fc765219ac775905a221c017c88fba (diff) |
Initial import of gtk2_ardour.
git-svn-id: svn://localhost/trunk/ardour2@24 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'gtk2_ardour/editor_export_audio.cc')
-rw-r--r-- | gtk2_ardour/editor_export_audio.cc | 437 |
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); + } +} |