videotimline

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

1 files changed, 301 insertions, 0 deletions

diff --git a/gtk2_ardour/utils_videotl.cc b/gtk2_ardour/utils_videotl.cc
new file mode 100644
index 0000000000..adf7d25640
--- /dev/null
+++ b/gtk2_ardour/utils_videotl.cc
@@ -0,0 +1,301 @@
+/*
+    Copyright (C) 2010-2013 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 <cstdio>
+#include <string>
+#include <cerrno>
+#include <gtkmm.h>
+#include <curl/curl.h>
+
+#include "pbd/error.h"
+#include "ardour/ardour.h"
+#include "ardour/session_directory.h"
+#include "ardour_dialog.h"
+#include "video_image_frame.h"
+
+#include "i18n.h"
+
+using namespace Gtk;
+using namespace std;
+using namespace PBD;
+using namespace ARDOUR;
+
+bool
+confirm_video_outfn (std::string outfn, std::string docroot)
+{
+	/* replace docroot's '/' to G_DIR_SEPARATOR for the comparison */
+	size_t look_here = 0;
+	size_t found_here;
+	const char ds = G_DIR_SEPARATOR;
+	while((found_here = docroot.find('/', look_here)) != string::npos) {
+		docroot.replace(found_here, 1, std::string(&ds, 1));
+		look_here = found_here + 1;
+	}
+
+	if (!docroot.empty() && docroot.compare(0, docroot.length(), outfn, 0, docroot.length())) {
+		ArdourDialog confirm (_("Destination is outside Video Server's docroot. "), true);
+		Label m (_("The destination file path is outside of the Video Server's docroot. The file will not be readable by the Video Server. Do you still want to continue?"));
+		confirm.get_vbox()->pack_start (m, true, true);
+		confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+		confirm.add_button (_("Continue"), Gtk::RESPONSE_ACCEPT);
+		confirm.show_all ();
+		if (confirm.run() == RESPONSE_CANCEL) { return false; }
+	}
+
+	if (Glib::file_test(outfn, Glib::FILE_TEST_EXISTS)) {
+		ArdourDialog confirm (_("Confirm Overwrite"), true);
+		Label m (_("A file with the same name already exists.  Do you want to overwrite it?"));
+		confirm.get_vbox()->pack_start (m, true, true);
+		confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+		confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
+		confirm.show_all ();
+		if (confirm.run() == RESPONSE_CANCEL) { return false; }
+	}
+
+	std::string dir = Glib::path_get_dirname (outfn);
+	if (g_mkdir_with_parents (dir.c_str(), 0755) < 0) {
+		error << string_compose(_("Cannot create video folder \"%1\" (%2)"), dir, strerror (errno)) << endmsg;
+		return false;
+	}
+	return true;
+}
+
+std::string
+video_dest_dir (const std::string sessiondir, const std::string docroot)
+{
+	std::string dir = docroot;
+	if (dir.empty() || !dir.compare(0, dir.length(), sessiondir, 0, dir.length())) {
+		dir=sessiondir;
+	}
+	if ((dir.empty() || dir.at(dir.length()-1) != G_DIR_SEPARATOR)) { dir += G_DIR_SEPARATOR; }
+
+	if (g_mkdir_with_parents (dir.c_str(), 0755) < 0) {
+		error << string_compose(_("Cannot create video folder \"%1\" (%2)"), dir, strerror (errno)) << endmsg;
+	}
+	return dir;
+}
+
+std::string
+strip_file_extension (const std::string infile)
+{
+	std::string rv;
+	char *ext, *bn = strdup(infile.c_str());
+	if ((ext=strrchr(bn, '.'))) {
+		if (!strchr(ext, G_DIR_SEPARATOR)) {
+			*ext = 0;
+		}
+	}
+	rv = std::string(bn);
+	free(bn);
+	return rv;
+}
+
+std::string
+get_file_extension (const std::string infile)
+{
+	std::string rv = "";
+	char *ext, *bn = strdup(infile.c_str());
+	if ((ext=strrchr(bn, '.'))) {
+		if (!strchr(ext, G_DIR_SEPARATOR)) {
+			rv=std::string(ext+1);
+		}
+	}
+	free(bn);
+	return rv;
+}
+
+std::string
+video_dest_file (const std::string dir, const std::string infile)
+{
+	return dir + "a3_" + strip_file_extension(Glib::path_get_basename(infile)) + ".avi";
+}
+
+std::string
+video_map_path (std::string server_docroot, std::string filepath)
+{
+	std::string rv = filepath;
+
+	/* replace all G_DIR_SEPARATOR with '/' */
+	size_t look_here = 0;
+	size_t found_here;
+	while((found_here = rv.find(G_DIR_SEPARATOR, look_here)) != string::npos) {
+		rv.replace(found_here, 1, "/");
+		look_here = found_here + 1;
+	}
+
+	/* strip docroot */
+	if (server_docroot.length() > 0) {
+		if (rv.compare(0, server_docroot.length(), server_docroot) == 0 ) {
+			rv = rv.substr(server_docroot.length());
+		}
+	}
+
+	CURL *curl;
+	char *ue;
+	curl = curl_easy_init();
+	ue = curl_easy_escape(curl, rv.c_str(),rv.length());
+	if (ue) {
+		rv = std::string(ue);
+		curl_free(ue);
+	}
+	curl_easy_cleanup(curl);
+
+	return rv;
+}
+
+void
+ParseCSV (const std::string &csv, std::vector<std::vector<std::string> > &lines)
+{
+	bool inQuote(false);
+	bool newLine(false);
+	std::string field;
+	lines.clear();
+	std::vector<std::string> line;
+
+	std::string::const_iterator aChar = csv.begin();
+	while (aChar != csv.end()) {
+		switch (*aChar) {
+		case '"':
+		 newLine = false;
+		 inQuote = !inQuote;
+		 break;
+
+		case ',':
+		 newLine = false;
+		 if (inQuote == true) {
+				field += *aChar;
+		 } else {
+				line.push_back(field);
+				field.clear();
+		 }
+		 break;
+
+		case '\n':
+		case '\r':
+		 if (inQuote == true) {
+				field += *aChar;
+		 } else {
+				if (newLine == false) {
+					 line.push_back(field);
+					 lines.push_back(line);
+					 field.clear();
+					 line.clear();
+					 newLine = true;
+				}
+		 }
+		 break;
+
+		default:
+			 newLine = false;
+			 field.push_back(*aChar);
+			 break;
+		}
+		aChar++;
+	}
+
+	 if (field.size())
+		line.push_back(field);
+
+	 if (line.size())
+		lines.push_back(line);
+}
+
+bool
+video_query_info (
+		std::string video_server_url,
+		std::string filepath,
+		double &video_file_fps,
+		long long int &video_duration,
+		double &video_start_offset,
+		double &video_aspect_ratio
+		)
+{
+	char url[2048];
+
+	snprintf(url, sizeof(url), "%s%sinfo/?file=%s&format=plain"
+			, video_server_url.c_str()
+			, (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
+			, filepath.c_str());
+	char *res = curl_http_get(url, NULL);
+	int pid=0;
+	if (res) {
+		char *pch, *pst;
+		int version;
+		pch = strtok_r(res, "\n", &pst);
+		while (pch) {
+#if 0 /* DEBUG */
+			printf("VideoFileInfo [%i] -> '%s'\n", pid, pch);
+#endif
+			switch (pid) {
+				case 0:
+				  version = atoi(pch);
+					if (version != 1) break;
+				case 1:
+				  video_file_fps = atof(pch);
+					break;
+				case 2:
+					video_duration = atoll(pch);
+					break;
+				case 3:
+					video_start_offset = atof(pch);
+					break;
+				case 4:
+					video_aspect_ratio = atof(pch);
+					break;
+				default:
+					break;
+			}
+			pch = strtok_r(NULL,"\n", &pst);
+			++pid;
+		}
+	  free(res);
+	}
+	if (pid!=5) {
+		return false;
+	}
+	return true;
+}
+
+void
+video_draw_cross (Glib::RefPtr<Gdk::Pixbuf> img)
+{
+
+	int rowstride = img->get_rowstride();
+	int n_channels = img->get_n_channels();
+	guchar *pixels, *p;
+	pixels = img->get_pixels();
+
+	int x,y;
+	int clip_width = img->get_width();
+	int clip_height = img->get_height();
+
+	for (x=0;x<clip_width;x++) {
+		y = clip_height * x / clip_width;
+		p = pixels + y * rowstride + x * n_channels;
+		p[0] = 192; p[1] = 192; p[2] = 192;
+		if (n_channels>3) p[3] = 255;
+		p = pixels + y * rowstride + (clip_width-x-1) * n_channels;
+		p[0] = 192; p[1] = 192; p[2] = 192;
+		if (n_channels>3) p[3] = 255;
+	}
+}
+
+#endif /* WITH_VIDEOTIMELINE */