2 Copyright (C) 2010-2013 Paul Davis
3 Author: Robin Gareus <robin@gareus.org>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <curl/curl.h>
26 #include "pbd/error.h"
27 #include "ardour/ardour.h"
28 #include "ardour/session_directory.h"
29 #include "video_image_frame.h"
30 #include "utils_videotl.h"
37 using namespace ARDOUR;
38 using namespace VideoUtils;
41 VideoUtils::confirm_video_outfn (std::string outfn, std::string docroot)
43 /* replace docroot's '/' to G_DIR_SEPARATOR for the comparison */
46 const char ds = G_DIR_SEPARATOR;
47 while((found_here = docroot.find('/', look_here)) != string::npos) {
48 docroot.replace(found_here, 1, std::string(&ds, 1));
49 look_here = found_here + 1;
52 if (!docroot.empty() && docroot.compare(0, docroot.length(), outfn, 0, docroot.length())) {
53 ArdourDialog confirm (_("Destination is outside Video Server's docroot. "), true);
54 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?"));
55 confirm.get_vbox()->pack_start (m, true, true);
56 confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
57 confirm.add_button (_("Continue"), Gtk::RESPONSE_ACCEPT);
59 if (confirm.run() == RESPONSE_CANCEL) { return false; }
62 if (Glib::file_test(outfn, Glib::FILE_TEST_EXISTS)) {
63 ArdourDialog confirm (_("Confirm Overwrite"), true);
64 Label m (_("A file with the same name already exists. Do you want to overwrite it?"));
65 confirm.get_vbox()->pack_start (m, true, true);
66 confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
67 confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
69 if (confirm.run() == RESPONSE_CANCEL) { return false; }
72 std::string dir = Glib::path_get_dirname (outfn);
73 if (g_mkdir_with_parents (dir.c_str(), 0755) < 0) {
74 error << string_compose(_("Cannot create video folder \"%1\" (%2)"), dir, strerror (errno)) << endmsg;
81 VideoUtils::video_dest_dir (const std::string sessiondir, const std::string docroot)
83 std::string dir = docroot;
84 if (dir.empty() || !dir.compare(0, dir.length(), sessiondir, 0, dir.length())) {
87 if ((dir.empty() || dir.at(dir.length()-1) != G_DIR_SEPARATOR)) { dir += G_DIR_SEPARATOR; }
89 if (g_mkdir_with_parents (dir.c_str(), 0755) < 0) {
90 error << string_compose(_("Cannot create video folder \"%1\" (%2)"), dir, strerror (errno)) << endmsg;
96 VideoUtils::video_get_docroot (ARDOUR::RCConfiguration* config)
98 if (config->get_video_advanced_setup()) {
99 return config->get_video_server_docroot();
105 VideoUtils::video_get_server_url (ARDOUR::RCConfiguration* config)
107 if (config->get_video_advanced_setup()) {
108 return config->get_video_server_url();
110 return X_("http://localhost:1554");
115 VideoUtils::strip_file_extension (const std::string infile)
118 char *ext, *bn = strdup(infile.c_str());
119 if ((ext=strrchr(bn, '.'))) {
120 if (!strchr(ext, G_DIR_SEPARATOR)) {
124 rv = std::string(bn);
130 VideoUtils::get_file_extension (const std::string infile)
133 char *ext, *bn = strdup(infile.c_str());
134 if ((ext=strrchr(bn, '.'))) {
135 if (!strchr(ext, G_DIR_SEPARATOR)) {
136 rv=std::string(ext+1);
144 VideoUtils::video_dest_file (const std::string dir, const std::string infile)
146 return dir + "a3_" + strip_file_extension(Glib::path_get_basename(infile)) + ".avi";
150 VideoUtils::video_map_path (std::string server_docroot, std::string filepath)
152 std::string rv = filepath;
155 if (server_docroot.length() > 0) {
156 if (rv.compare(0, server_docroot.length(), server_docroot) == 0 ) {
157 rv = rv.substr(server_docroot.length());
161 /* replace all G_DIR_SEPARATOR with '/' */
162 size_t look_here = 0;
164 while((found_here = rv.find(G_DIR_SEPARATOR, look_here)) != string::npos) {
165 rv.replace(found_here, 1, "/");
166 look_here = found_here + 1;
171 curl = curl_easy_init();
172 ue = curl_easy_escape(curl, rv.c_str(),rv.length());
174 rv = std::string(ue);
177 curl_easy_cleanup(curl);
183 VideoUtils::ParseCSV (const std::string &csv, std::vector<std::vector<std::string> > &lines)
189 std::vector<std::string> line;
191 std::string::const_iterator aChar = csv.begin();
192 while (aChar != csv.end()) {
201 if (inQuote == true) {
204 line.push_back(field);
211 if (inQuote == true) {
214 if (newLine == false) {
215 line.push_back(field);
216 lines.push_back(line);
226 field.push_back(*aChar);
233 line.push_back(field);
236 lines.push_back(line);
240 VideoUtils::video_query_info (
241 std::string video_server_url,
242 std::string filepath,
243 double &video_file_fps,
244 long long int &video_duration,
245 double &video_start_offset,
246 double &video_aspect_ratio
251 snprintf(url, sizeof(url), "%s%sinfo/?file=%s&format=csv"
252 , video_server_url.c_str()
253 , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/"
255 char *res = a3_curl_http_get(url, NULL);
260 std::vector<std::vector<std::string> > lines;
261 ParseCSV(std::string(res), lines);
264 if (lines.empty() || lines.at(0).empty() || lines.at(0).size() != 6) {
267 if (atoi(lines.at(0).at(0)) != 1) return false; // version
268 video_start_offset = 0.0;
269 video_aspect_ratio = atof (lines.at(0).at(3));
270 video_file_fps = atof (lines.at(0).at(4));
271 video_duration = atoll(lines.at(0).at(5));
276 VideoUtils::video_draw_cross (Glib::RefPtr<Gdk::Pixbuf> img)
279 int rowstride = img->get_rowstride();
280 int n_channels = img->get_n_channels();
282 pixels = img->get_pixels();
285 int clip_width = img->get_width();
286 int clip_height = img->get_height();
288 for (x=0;x<clip_width;x++) {
289 y = clip_height * x / clip_width;
290 p = pixels + y * rowstride + x * n_channels;
291 p[0] = 192; p[1] = 192; p[2] = 192;
292 if (n_channels>3) p[3] = 255;
293 p = pixels + y * rowstride + (clip_width-x-1) * n_channels;
294 p[0] = 192; p[1] = 192; p[2] = 192;
295 if (n_channels>3) p[3] = 255;
301 #include <curl/curl.h>
303 struct A3MemoryStruct {
309 WriteMemoryCallback(void *ptr, size_t size, size_t nmemb, void *data) {
310 size_t realsize = size * nmemb;
311 struct A3MemoryStruct *mem = (struct A3MemoryStruct *)data;
313 mem->data = (char *)realloc(mem->data, mem->size + realsize + 1);
315 memcpy(&(mem->data[mem->size]), ptr, realsize);
316 mem->size += realsize;
317 mem->data[mem->size] = 0;
322 char *a3_curl_http_get (const char *u, int *status) {
325 struct A3MemoryStruct chunk;
327 if (status) *status = 0;
328 //Glib::usleep(500000); return NULL; // TEST & DEBUG
329 if (strncmp("http://", u, 7)) return NULL;
334 curl = curl_easy_init();
335 if(!curl) return NULL;
336 curl_easy_setopt(curl, CURLOPT_URL, u);
338 curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk);
339 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
340 curl_easy_setopt(curl, CURLOPT_USERAGENT, ARDOUR_USER_AGENT);
341 curl_easy_setopt(curl, CURLOPT_TIMEOUT, ARDOUR_CURL_TIMEOUT);
342 curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
343 #ifdef CURLERRORDEBUG
344 char curlerror[CURL_ERROR_SIZE] = "";
345 curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curlerror);
348 res = curl_easy_perform(curl);
349 curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpstatus);
350 curl_easy_cleanup(curl);
351 if (status) *status = httpstatus;
353 #ifdef CURLERRORDEBUG
354 printf("a3_curl_http_get() failed: %s\n", curlerror);
358 if (httpstatus != 200) {
365 } /* end extern "C" */