/* Copyright (C) 2010-2013 Paul Davis Author: Robin Gareus 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. */ #include #include #include #include #include #include "pbd/error.h" #include "ardour/ardour.h" #include "ardour/session_directory.h" #include "video_image_frame.h" #include "utils_videotl.h" #include "utils.h" #ifdef WAF_BUILD #include "gtk2ardour-version.h" #endif #ifndef ARDOUR_CURL_TIMEOUT #define ARDOUR_CURL_TIMEOUT (60) #endif #include "i18n.h" using namespace Gtk; using namespace std; using namespace PBD; using namespace ARDOUR; using namespace VideoUtils; bool VideoUtils::confirm_video_outfn (Gtk::Window& parent, 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)) { bool overwrite = ARDOUR_UI_UTILS::overwrite_file_dialog (parent, _("Confirm Overwrite"), _("A file with the same name already exists. Do you want to overwrite it?")); if (!overwrite) { 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 VideoUtils::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 VideoUtils::video_get_docroot (ARDOUR::RCConfiguration* config) { if (config->get_video_advanced_setup()) { return config->get_video_server_docroot(); } #ifndef PLATFORM_WINDOWS return X_("/"); #else return X_("C:\\"); #endif } std::string VideoUtils::video_get_server_url (ARDOUR::RCConfiguration* config) { if (config->get_video_advanced_setup()) { return config->get_video_server_url(); } return X_("http://127.0.0.1:1554"); } std::string VideoUtils::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 VideoUtils::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 VideoUtils::video_dest_file (const std::string dir, const std::string infile) { return Glib::build_filename(dir, strip_file_extension(Glib::path_get_basename(infile)) + ".avi"); } std::string VideoUtils::video_map_path (std::string server_docroot, std::string filepath) { std::string rv = filepath; /* strip docroot */ if (server_docroot.length() > 0) { if (rv.compare(0, server_docroot.length(), server_docroot) == 0 ) { rv = rv.substr(server_docroot.length()); } } /* 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; } 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 VideoUtils::ParseCSV (const std::string &csv, std::vector > &lines) { bool inQuote(false); bool newLine(false); std::string field; lines.clear(); std::vector 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 VideoUtils::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=csv" , video_server_url.c_str() , (video_server_url.length()>0 && video_server_url.at(video_server_url.length()-1) == '/')?"":"/" , filepath.c_str()); char *res = a3_curl_http_get(url, NULL); if (!res) { return false; } std::vector > lines; ParseCSV(std::string(res), lines); free(res); if (lines.empty() || lines.at(0).empty() || lines.at(0).size() != 6) { return false; } if (atoi(lines.at(0).at(0)) != 1) return false; // version video_start_offset = 0.0; video_aspect_ratio = atof (lines.at(0).at(3)); video_file_fps = atof (lines.at(0).at(4)); video_duration = atoll(lines.at(0).at(5)); return true; } void VideoUtils::video_draw_cross (Glib::RefPtr 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;x3) 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; } } extern "C" { #include struct A3MemoryStruct { char *data; size_t size; }; static size_t WriteMemoryCallback(void *ptr, size_t size, size_t nmemb, void *data) { size_t realsize = size * nmemb; struct A3MemoryStruct *mem = (struct A3MemoryStruct *)data; mem->data = (char *)realloc(mem->data, mem->size + realsize + 1); if (mem->data) { memcpy(&(mem->data[mem->size]), ptr, realsize); mem->size += realsize; mem->data[mem->size] = 0; } return realsize; } char *a3_curl_http_get (const char *u, int *status) { CURL *curl; CURLcode res; struct A3MemoryStruct chunk; long int httpstatus; if (status) *status = 0; //Glib::usleep(500000); return NULL; // TEST & DEBUG if (strncmp("http://", u, 7)) return NULL; chunk.data=NULL; chunk.size=0; curl = curl_easy_init(); if(!curl) return NULL; curl_easy_setopt(curl, CURLOPT_URL, u); curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback); curl_easy_setopt(curl, CURLOPT_USERAGENT, PROGRAM_NAME VERSIONSTRING); curl_easy_setopt(curl, CURLOPT_TIMEOUT, ARDOUR_CURL_TIMEOUT); curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); #ifdef CURLERRORDEBUG char curlerror[CURL_ERROR_SIZE] = ""; curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curlerror); #endif res = curl_easy_perform(curl); curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpstatus); curl_easy_cleanup(curl); if (status) *status = httpstatus; if (res) { #ifdef CURLERRORDEBUG printf("a3_curl_http_get() failed: %s\n", curlerror); #endif return NULL; } if (httpstatus != 200) { free (chunk.data); chunk.data = NULL; } return (chunk.data); } } /* end extern "C" */