407 lines
12 KiB
C++
407 lines
12 KiB
C++
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/*
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Copyright (C) 2010 Paul Davis
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Author: Robin Gareus <robin@gareus.org>
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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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*/
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#ifdef WITH_VIDEOTIMELINE
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#include "pbd/file_utils.h"
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#include "gui_thread.h"
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#include "ardour_ui.h"
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#include <stdio.h>
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#include "public_editor.h"
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#include "video_monitor.h"
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#include "i18n.h"
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using namespace std;
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VideoMonitor::VideoMonitor (PublicEditor *ed, std::string xjadeo_bin_path)
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: editor (ed)
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{
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manually_seeked_frame = 0;
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fps =0.0; // = _session->timecode_frames_per_second();
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sync_by_manual_seek = false;
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_restore_settings_mask = 0;
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clock_connection = sigc::connection();
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debug_enable = false;
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process = new SystemExec(xjadeo_bin_path);
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process->ReadStdout.connect (*this, invalidator (*this), boost::bind (&VideoMonitor::parse_output, this, _1 ,_2), gui_context());
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process->Terminated.connect (*this, invalidator (*this), boost::bind (&VideoMonitor::terminated, this), gui_context());
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}
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VideoMonitor::~VideoMonitor ()
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{
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if (clock_connection.connected()) {
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clock_connection.disconnect();
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}
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delete process;
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}
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bool
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VideoMonitor::start ()
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{
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if (is_started()) {
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return true;
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}
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manually_seeked_frame = 0;
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sync_by_manual_seek = false;
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if (clock_connection.connected()) { clock_connection.disconnect(); }
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if (process->start(debug_enable?2:1)) {
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return false;
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}
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return true;
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}
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void
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VideoMonitor::quit ()
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{
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if (!is_started()) return;
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process->write_to_stdin("get windowsize\n");
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process->write_to_stdin("get windowpos\n");
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process->write_to_stdin("get letterbox\n");
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process->write_to_stdin("get fullscreen\n");
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process->write_to_stdin("get ontop\n");
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process->write_to_stdin("get offset\n");
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process->write_to_stdin("get osdcfg\n");
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process->write_to_stdin("quit\n");
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#if 1
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/* wait for replies to the config requests above.
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* the 'quit' command should result in process termination
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* but in case it fails (communication failure, SIGSTOP, ??)
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* here's a timeout..
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*/
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int timeout = 40;
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while (is_started() && --timeout) {
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usleep(50000);
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}
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if (timeout == 0) {
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printf("xjadeo connection: time-out. session may not be saved.\n");
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}
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#endif
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process->terminate();
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if (clock_connection.connected()) { clock_connection.disconnect(); }
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}
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void
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VideoMonitor::open (std::string filename)
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{
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if (!is_started()) return;
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manually_seeked_frame = 0;
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sync_by_manual_seek = false;
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process->write_to_stdin("load " + filename + "\n");
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process->write_to_stdin("set fps -1\n");
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process->write_to_stdin("window resize 100%\n");
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process->write_to_stdin("window ontop on\n");
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process->write_to_stdin("set seekmode 1\n");
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process->write_to_stdin("set override 47\n");
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process->write_to_stdin("window letterbox on\n");
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process->write_to_stdin("osd mode 10\n");
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for(XJSettings::const_iterator it = xjadeo_settings.begin(); it != xjadeo_settings.end(); ++it) {
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if (skip_setting(it->first)) { continue; }
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process->write_to_stdin(it->first + " " + it->second + "\n");
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}
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xjadeo_sync_setup();
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}
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bool
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VideoMonitor::skip_setting (std::string which)
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{
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if (_restore_settings_mask & XJ_OSD && which == "osd mode") { return true; }
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if (_restore_settings_mask & XJ_LETTERBOX && which == "window letterbox") { return true; }
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if (_restore_settings_mask & XJ_WINDOW_SIZE && which == "window size") { return true; }
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if (_restore_settings_mask & XJ_WINDOW_POS && which == "window xy") { return true; }
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if (_restore_settings_mask & XJ_WINDOW_ONTOP && which == "window ontop") { return true; }
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if (_restore_settings_mask & XJ_LETTERBOX && which == "window letterbox") { return true; }
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if (_restore_settings_mask & XJ_OFFSET && which == "set offset") { return true; }
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if (_restore_settings_mask & XJ_FULLSCREEN && which == "window zoom") { return true; }
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return false;
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}
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bool
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VideoMonitor::is_started ()
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{
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return process->is_running();
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}
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void
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VideoMonitor::parse_output (std::string d, size_t s)
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{
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std::string line = d;
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std::string::size_type start = 0;
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std::string::size_type end = 0;
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while (1) {
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end = d.find('\n', start);
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if (end == std::string::npos) break;
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line = d.substr(start,end-start);
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start=end+1;
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if (line.length() <4 || line.at(0)!='@') continue;
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#if 1 /* DEBUG */
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if (debug_enable) {
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printf("xjadeo: '%s'\n", line.c_str());
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}
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#endif
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int status = atoi(line.substr(1,3).c_str());
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switch(status / 100) {
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case 4: /* errors */
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if (status == 403) {
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PBD::warning << _("Video Monitor: File Not Found.") << endmsg;
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/* check: we should only write from the main thread.
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* However it should not matter for 'quit'.
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*/
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process->write_to_stdin("quit\n");
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}
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case 1: /* requested async notifications */
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case 3: /* warnings ; command succeeded, but status is negative. */
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break;
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case 2:
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/* replies:
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* 201: var=<int>
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* 202: var=<double>
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* 210: var=<int>x<int>
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* 220: var=<string>
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* 228: var=<smpte-string>
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*/
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{
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std::string::size_type equalsign = line.find('=');
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std::string::size_type comment = line.find('#');
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if (comment != std::string::npos) { line = line.substr(0,comment); }
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if (equalsign != std::string::npos) {
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std::string key = line.substr(5, equalsign - 5);
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std::string value = line.substr(equalsign + 1);
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#if 0 /* DEBUG */
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std::cout << "parsed: " << key << " => " << value << std::endl;
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#endif
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if(key == "windowpos") {
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xjadeo_settings["window xy"] = value;
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} else if(key == "windowsize") {
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xjadeo_settings["window size"] = value;
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} else if(key == "windowontop") {
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xjadeo_settings["window ontop"] = value;
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} else if(key == "fullscreen") {
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xjadeo_settings["window zoom"] = value;
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} else if(key == "letterbox") {
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xjadeo_settings["window letterbox"] = value;
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} else if(key == "osdmode") {
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xjadeo_settings["osd mode"] = value;
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} else if(key == "offset") {
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xjadeo_settings["set offset"] = value;
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}
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}
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}
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break;
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default:
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break;
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}
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}
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}
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void
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VideoMonitor::terminated ()
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{
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save_session();
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Terminated();
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}
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void
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VideoMonitor::save_session ()
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{
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if (!_session) { return; }
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bool is_dirty = false;
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XMLNode* prev = _session->extra_xml (X_("XJSettings"));
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XMLNode* node = new XMLNode(X_("XJSettings"));
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XMLNodeList nlist;
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if (!prev) { is_dirty = true; }
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else { nlist = prev->children(); }
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for(XJSettings::const_iterator it = xjadeo_settings.begin(); it != xjadeo_settings.end(); ++it) {
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XMLNode* child = node->add_child (X_("XJSetting"));
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child->add_property (X_("k"), it->first);
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child->add_property (X_("v"), it->second);
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if (!is_dirty) {
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bool found = false;
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XMLNodeConstIterator i;
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for (i = nlist.begin(); i != nlist.end(); ++i) {
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if ((*i)->property(X_("k"))->value() == it->first &&
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(*i)->property(X_("v"))->value() == it->second ) {
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found=true;
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break;
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}
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}
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if (!found) {is_dirty = true;}
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}
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}
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if (is_dirty) {
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_session->add_extra_xml (*node);
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_session->set_dirty ();
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}
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}
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void
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VideoMonitor::set_session (ARDOUR::Session *s)
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{
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SessionHandlePtr::set_session (s);
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if (!_session) { return; }
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_session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoMonitor::parameter_changed, this, _1), gui_context());
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XMLNode* node = _session->extra_xml (X_("XJSettings"));
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if (!node) { return;}
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xjadeo_settings.clear();
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XMLNodeList nlist = node->children();
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XMLNodeConstIterator niter;
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for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
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xjadeo_settings[(*niter)->property(X_("k"))->value()] = (*niter)->property(X_("v"))->value();
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}
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}
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void
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VideoMonitor::clear_session_state ()
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{
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xjadeo_settings.clear();
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if (!_session) { return; }
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XMLNode* node = new XMLNode(X_("XJSettings"));
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_session->add_extra_xml (*node);
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_session->set_dirty ();
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}
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bool
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VideoMonitor::set_custom_setting (const std::string k, const std::string v)
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{
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xjadeo_settings[k] = v;
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return true; /* TODO: check if key is valid */
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}
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const std::string
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VideoMonitor::get_custom_setting (const std::string k)
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{
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return (xjadeo_settings[k]);
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}
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#define NO_OFFSET (1<<31) //< skip setting or modifying offset -- TODO check ARDOUR::frameoffset_t max value.
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void
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VideoMonitor::srsupdate ()
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{
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if (!_session) { return; }
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if (editor->dragging_playhead()) { return ;}
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manual_seek(_session->audible_frame(), false, NO_OFFSET);
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}
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void
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VideoMonitor::set_offset (ARDOUR::frameoffset_t offset)
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{
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if (!is_started()) { return; }
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if (!_session) { return; }
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if (offset == NO_OFFSET ) { return; }
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framecnt_t video_frame_offset;
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framecnt_t audio_frame_rate;
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if (_session->config.get_videotimeline_pullup()) {
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audio_frame_rate = _session->frame_rate();
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} else {
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audio_frame_rate = _session->nominal_frame_rate();
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}
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/* Note: pull-up/down are applied here: frame_rate() vs. nominal_frame_rate() */
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if (_session->config.get_use_video_file_fps()) {
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video_frame_offset = floor(offset * fps / audio_frame_rate);
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} else {
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video_frame_offset = floor(offset * _session->timecode_frames_per_second() / audio_frame_rate);
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}
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// TODO remember if changed..
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std::ostringstream osstream1; osstream1 << -1 * video_frame_offset;
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process->write_to_stdin("set offset " + osstream1.str() + "\n");
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}
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void
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VideoMonitor::manual_seek (framepos_t when, bool force, ARDOUR::frameoffset_t offset)
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{
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if (!is_started()) { return; }
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if (!_session) { return; }
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framecnt_t video_frame;
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framecnt_t audio_frame_rate;
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if (_session->config.get_videotimeline_pullup()) {
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audio_frame_rate = _session->frame_rate();
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} else {
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audio_frame_rate = _session->nominal_frame_rate();
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}
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/* Note: pull-up/down are applied here: frame_rate() vs. nominal_frame_rate() */
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if (_session->config.get_use_video_file_fps()) {
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video_frame = floor(when * fps / audio_frame_rate);
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} else {
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video_frame = floor(when * _session->timecode_frames_per_second() / audio_frame_rate);
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}
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if (video_frame < 0 ) video_frame = 0;
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if (video_frame == manually_seeked_frame) { return; }
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manually_seeked_frame = video_frame;
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#if 0 /* DEBUG */
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std::cout <<"seek: " << video_frame << std::endl;
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|
|
#endif
|
||
|
|
std::ostringstream osstream; osstream << video_frame;
|
||
|
|
process->write_to_stdin("seek " + osstream.str() + "\n");
|
||
|
|
|
||
|
|
set_offset(offset);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
VideoMonitor::parameter_changed (std::string const & p)
|
||
|
|
{
|
||
|
|
if (!is_started()) { return; }
|
||
|
|
if (!_session) { return; }
|
||
|
|
if (p != "external-sync" && p != "sync-source") {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
xjadeo_sync_setup();
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
VideoMonitor::xjadeo_sync_setup ()
|
||
|
|
{
|
||
|
|
if (!is_started()) { return; }
|
||
|
|
if (!_session) { return; }
|
||
|
|
|
||
|
|
bool my_manual_seek = true;
|
||
|
|
if (_session->config.get_external_sync()) {
|
||
|
|
if (ARDOUR::Config->get_sync_source() == ARDOUR::JACK)
|
||
|
|
my_manual_seek = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (my_manual_seek != sync_by_manual_seek) {
|
||
|
|
if (sync_by_manual_seek) {
|
||
|
|
if (clock_connection.connected()) {
|
||
|
|
clock_connection.disconnect();
|
||
|
|
}
|
||
|
|
process->write_to_stdin("jack connect\n");
|
||
|
|
} else {
|
||
|
|
process->write_to_stdin("jack disconnect\n");
|
||
|
|
clock_connection = ARDOUR_UI::SuperRapidScreenUpdate.connect (sigc::mem_fun (*this, &VideoMonitor::srsupdate));
|
||
|
|
}
|
||
|
|
sync_by_manual_seek = my_manual_seek;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif /* WITH_VIDEOTIMELINE */
|