videotimline

squashed 694 commits from http://gareus.org/gitweb/?p=ardour3.git

1 files changed, 406 insertions, 0 deletions

diff --git a/gtk2_ardour/video_monitor.cc b/gtk2_ardour/video_monitor.cc
new file mode 100644
index 0000000000..3abc11be28
--- /dev/null
+++ b/gtk2_ardour/video_monitor.cc
@@ -0,0 +1,406 @@
+/*
+    Copyright (C) 2010 Paul Davis
+    Author: Robin Gareus <robin@gareus.org>
+
+    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.
+
+*/
+#ifdef WITH_VIDEOTIMELINE
+
+#include "pbd/file_utils.h"
+#include "gui_thread.h"
+#include "ardour_ui.h"
+
+#include <stdio.h>
+#include "public_editor.h"
+#include "video_monitor.h"
+
+#include "i18n.h"
+
+using namespace std;
+
+VideoMonitor::VideoMonitor (PublicEditor *ed, std::string xjadeo_bin_path)
+	: editor (ed)
+{
+	manually_seeked_frame = 0;
+	fps =0.0; // = _session->timecode_frames_per_second();
+	sync_by_manual_seek = false;
+	_restore_settings_mask = 0;
+	clock_connection = sigc::connection();
+	debug_enable = false;
+
+	process = new SystemExec(xjadeo_bin_path);
+	process->ReadStdout.connect (*this, invalidator (*this), boost::bind (&VideoMonitor::parse_output, this, _1 ,_2), gui_context());
+	process->Terminated.connect (*this, invalidator (*this), boost::bind (&VideoMonitor::terminated, this), gui_context());
+}
+
+VideoMonitor::~VideoMonitor ()
+{
+	if (clock_connection.connected()) {
+		clock_connection.disconnect();
+	}
+	delete process;
+}
+
+bool
+VideoMonitor::start ()
+{
+	if (is_started()) {
+		return true;
+	}
+
+	manually_seeked_frame = 0;
+	sync_by_manual_seek = false;
+	if (clock_connection.connected()) { clock_connection.disconnect(); }
+
+	if (process->start(debug_enable?2:1)) {
+		return false;
+	}
+	return true;
+}
+
+void
+VideoMonitor::quit ()
+{
+	if (!is_started()) return;
+	process->write_to_stdin("get windowsize\n");
+	process->write_to_stdin("get windowpos\n");
+	process->write_to_stdin("get letterbox\n");
+	process->write_to_stdin("get fullscreen\n");
+	process->write_to_stdin("get ontop\n");
+	process->write_to_stdin("get offset\n");
+	process->write_to_stdin("get osdcfg\n");
+	process->write_to_stdin("quit\n");
+#if 1
+	/* wait for replies to the config requests above.
+	 * the 'quit' command should result in process termination
+	 * but in case it fails (communication failure, SIGSTOP, ??)
+	 * here's a timeout..
+	 */
+	int timeout = 40;
+	while (is_started() && --timeout) {
+		usleep(50000);
+	}
+	if (timeout == 0) {
+		printf("xjadeo connection: time-out. session may not be saved.\n");
+	}
+#endif
+	process->terminate();
+	if (clock_connection.connected()) { clock_connection.disconnect(); }
+}
+
+void
+VideoMonitor::open (std::string filename)
+{
+	if (!is_started()) return;
+	manually_seeked_frame = 0;
+	sync_by_manual_seek = false;
+	process->write_to_stdin("load " + filename + "\n");
+	process->write_to_stdin("set fps -1\n");
+	process->write_to_stdin("window resize 100%\n");
+	process->write_to_stdin("window ontop on\n");
+	process->write_to_stdin("set seekmode 1\n");
+	process->write_to_stdin("set override 47\n");
+	process->write_to_stdin("window letterbox on\n");
+	process->write_to_stdin("osd mode 10\n");
+	for(XJSettings::const_iterator it = xjadeo_settings.begin(); it != xjadeo_settings.end(); ++it) {
+		if (skip_setting(it->first)) { continue; }
+		process->write_to_stdin(it->first + " " + it->second + "\n");
+	}
+	xjadeo_sync_setup();
+}
+
+bool
+VideoMonitor::skip_setting (std::string which)
+{
+	if (_restore_settings_mask & XJ_OSD && which == "osd mode") { return true; }
+	if (_restore_settings_mask & XJ_LETTERBOX && which == "window letterbox") { return true; }
+	if (_restore_settings_mask & XJ_WINDOW_SIZE && which == "window size") { return true; }
+	if (_restore_settings_mask & XJ_WINDOW_POS && which == "window xy") { return true; }
+	if (_restore_settings_mask & XJ_WINDOW_ONTOP && which == "window ontop") { return true; }
+	if (_restore_settings_mask & XJ_LETTERBOX && which == "window letterbox") { return true; }
+	if (_restore_settings_mask & XJ_OFFSET && which == "set offset") { return true; }
+	if (_restore_settings_mask & XJ_FULLSCREEN && which == "window zoom") { return true; }
+	return false;
+}
+
+bool
+VideoMonitor::is_started ()
+{
+	return process->is_running();
+}
+
+void
+VideoMonitor::parse_output (std::string d, size_t s)
+{
+	std::string line = d;
+	std::string::size_type start = 0;
+	std::string::size_type end = 0;
+
+	while (1) {
+		end = d.find('\n', start);
+		if (end == std::string::npos) break;
+		line = d.substr(start,end-start);
+		start=end+1;
+		if (line.length() <4 || line.at(0)!='@') continue;
+#if 1 /* DEBUG */
+		if (debug_enable) {
+			printf("xjadeo: '%s'\n", line.c_str());
+		}
+#endif
+		int status = atoi(line.substr(1,3).c_str());
+		switch(status / 100) {
+			case 4: /* errors */
+				if (status == 403) {
+					PBD::warning << _("Video Monitor: File Not Found.") << endmsg;
+					/* check: we should only write from the main thread.
+					 * However it should not matter for 'quit'.
+					 */
+					process->write_to_stdin("quit\n");
+				}
+			case 1: /* requested async notifications */
+			case 3: /* warnings ; command succeeded, but status is negative. */
+				break;
+			case 2:
+/* replies:
+ * 201: var=<int>
+ * 202: var=<double>
+ * 210: var=<int>x<int>
+ * 220: var=<string>
+ * 228: var=<smpte-string>
+ */
+			{
+				std::string::size_type equalsign = line.find('=');
+				std::string::size_type comment = line.find('#');
+				if (comment != std::string::npos) { line = line.substr(0,comment); }
+				if (equalsign != std::string::npos) {
+					std::string key = line.substr(5, equalsign - 5);
+					std::string value = line.substr(equalsign + 1);
+#if 0 /* DEBUG */
+					std::cout << "parsed: " << key << " => " << value << std::endl;
+#endif
+					       if(key ==  "windowpos") {
+						xjadeo_settings["window xy"] = value;
+					} else if(key ==  "windowsize") {
+						xjadeo_settings["window size"] = value;
+					} else if(key ==  "windowontop") {
+						xjadeo_settings["window ontop"] = value;
+					} else if(key ==  "fullscreen") {
+						xjadeo_settings["window zoom"] = value;
+					} else if(key ==  "letterbox") {
+						xjadeo_settings["window letterbox"] = value;
+					} else if(key ==  "osdmode") {
+						xjadeo_settings["osd mode"] = value;
+					} else if(key ==  "offset") {
+						xjadeo_settings["set offset"] = value;
+					}
+				}
+			}
+				break;
+			default:
+				break;
+		}
+	}
+}
+
+void
+VideoMonitor::terminated ()
+{
+	save_session();
+	Terminated();
+}
+
+void
+VideoMonitor::save_session ()
+{
+	if (!_session) { return; }
+	bool is_dirty = false;
+
+	XMLNode* prev = _session->extra_xml (X_("XJSettings"));
+	XMLNode* node = new XMLNode(X_("XJSettings"));
+	XMLNodeList nlist;
+	if (!prev) { is_dirty = true; }
+	else { nlist = prev->children(); }
+
+	for(XJSettings::const_iterator it = xjadeo_settings.begin(); it != xjadeo_settings.end(); ++it) {
+	  XMLNode* child = node->add_child (X_("XJSetting"));
+		child->add_property (X_("k"), it->first);
+		child->add_property (X_("v"), it->second);
+		if (!is_dirty) {
+			bool found = false;
+			XMLNodeConstIterator i;
+			for (i = nlist.begin(); i != nlist.end(); ++i) {
+				if ((*i)->property(X_("k"))->value() == it->first &&
+				    (*i)->property(X_("v"))->value() == it->second ) {
+					found=true;
+					break;
+				}
+			}
+			if (!found) {is_dirty = true;}
+		}
+	}
+
+	if (is_dirty) {
+	  _session->add_extra_xml (*node);
+	  _session->set_dirty ();
+	}
+}
+
+
+void
+VideoMonitor::set_session (ARDOUR::Session *s)
+{
+	SessionHandlePtr::set_session (s);
+	if (!_session) { return; }
+	_session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&VideoMonitor::parameter_changed, this, _1), gui_context());
+	XMLNode* node = _session->extra_xml (X_("XJSettings"));
+	if (!node) { return;}
+	xjadeo_settings.clear();
+
+	XMLNodeList nlist = node->children();
+	XMLNodeConstIterator niter;
+	for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+		xjadeo_settings[(*niter)->property(X_("k"))->value()] = (*niter)->property(X_("v"))->value();
+  }
+}
+
+void
+VideoMonitor::clear_session_state ()
+{
+	xjadeo_settings.clear();
+	if (!_session) { return; }
+	XMLNode* node = new XMLNode(X_("XJSettings"));
+	_session->add_extra_xml (*node);
+	_session->set_dirty ();
+}
+
+bool
+VideoMonitor::set_custom_setting (const std::string k, const std::string v)
+{
+	xjadeo_settings[k] = v;
+	return true; /* TODO: check if key is valid */
+}
+
+const std::string
+VideoMonitor::get_custom_setting (const std::string k)
+{
+	return (xjadeo_settings[k]);
+}
+#define NO_OFFSET (1<<31) //< skip setting or modifying offset --  TODO check ARDOUR::frameoffset_t max value.
+void
+VideoMonitor::srsupdate ()
+{
+	if (!_session) { return; }
+	if (editor->dragging_playhead()) { return ;}
+	manual_seek(_session->audible_frame(), false, NO_OFFSET);
+}
+
+void
+VideoMonitor::set_offset (ARDOUR::frameoffset_t offset)
+{
+	if (!is_started()) { return; }
+	if (!_session) { return; }
+	if (offset == NO_OFFSET ) { return; }
+
+	framecnt_t video_frame_offset;
+	framecnt_t audio_frame_rate;
+	if (_session->config.get_videotimeline_pullup()) {
+		audio_frame_rate = _session->frame_rate();
+	} else {
+		audio_frame_rate = _session->nominal_frame_rate();
+	}
+
+	/* Note: pull-up/down are applied here: frame_rate() vs. nominal_frame_rate() */
+	if (_session->config.get_use_video_file_fps()) {
+		video_frame_offset = floor(offset * fps / audio_frame_rate);
+	} else {
+		video_frame_offset = floor(offset * _session->timecode_frames_per_second() / audio_frame_rate);
+	}
+
+	// TODO remember if changed..
+	std::ostringstream osstream1; osstream1 << -1 * video_frame_offset;
+	process->write_to_stdin("set offset " + osstream1.str() + "\n");
+}
+
+void
+VideoMonitor::manual_seek (framepos_t when, bool force, ARDOUR::frameoffset_t offset)
+{
+	if (!is_started()) { return; }
+	if (!_session) { return; }
+	framecnt_t video_frame;
+	framecnt_t audio_frame_rate;
+	if (_session->config.get_videotimeline_pullup()) {
+		audio_frame_rate = _session->frame_rate();
+	} else {
+		audio_frame_rate = _session->nominal_frame_rate();
+	}
+
+	/* Note: pull-up/down are applied here: frame_rate() vs. nominal_frame_rate() */
+	if (_session->config.get_use_video_file_fps()) {
+		video_frame = floor(when * fps / audio_frame_rate);
+	} else {
+		video_frame = floor(when * _session->timecode_frames_per_second() / audio_frame_rate);
+	}
+	if (video_frame < 0 ) video_frame = 0;
+
+	if (video_frame == manually_seeked_frame) { return; }
+	manually_seeked_frame = video_frame;
+
+#if 0 /* DEBUG */
+	std::cout <<"seek: " << video_frame << std::endl;
+#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 */