Merge branch 'cairocanvas'
[ardour.git] / gtk2_ardour / video_timeline.cc
index fd6a6f8dc22c4b56fbe316db5d4759bcd4448c35..ab8d313efb3ab52acb176c016165bb0bb0c7dbd5 100644 (file)
 #include "pbd/convert.h"
 #include "ardour/session_directory.h"
 
+#ifdef PLATFORM_WINDOWS
+#include <windows.h>
+#include <shlobj.h> // CSIDL_*
+#include "pbd/windows_special_dirs.h"
+#endif
+
 #include "ardour_ui.h"
 #include "public_editor.h"
 #include "gui_thread.h"
-#include "utils.h"
-#include "canvas_impl.h"
-#include "simpleline.h"
 #include "utils_videotl.h"
 #include "rgb_macros.h"
 #include "video_timeline.h"
@@ -51,9 +54,9 @@ using namespace PBD;
 using namespace Timecode;
 using namespace VideoUtils;
 
-VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Group *vbg, int initial_height)
+VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Container *vbg, int initial_height)
        : editor (ed)
-               , videotl_bar_group(vbg)
+               , videotl_group(vbg)
                , bar_height(initial_height)
 {
        video_start_offset = 0L;
@@ -275,7 +278,7 @@ float
 VideoTimeLine::get_apv()
 {
        // XXX: dup code - TODO use this fn in update_video_timeline()
-       float apv = -1; /* audio frames per video frame; */
+       float apv = -1; /* audio samples per video frame; */
        if (!_session) return apv;
 
        if (_session->config.get_use_video_file_fps()) {
@@ -308,8 +311,8 @@ VideoTimeLine::update_video_timeline()
                if (_session->timecode_frames_per_second() == 0 ) return;
        }
 
-       double frames_per_unit = editor->unit_to_frame(1.0);
-       framepos_t leftmost_frame =  editor->leftmost_position();
+       const double samples_per_pixel = editor->get_current_zoom();
+       const framepos_t leftmost_sample =  editor->leftmost_sample();
 
        /* Outline:
         * 1) calculate how many frames there should be in current zoom (plus 1 page on each side)
@@ -321,12 +324,12 @@ VideoTimeLine::update_video_timeline()
 
        /* video-file and session properties */
        double display_vframe_width; /* unit: pixels ; width of one thumbnail in the timeline */
-       float apv; /* audio frames per video frame; */
+       float apv; /* audio samples per video frame; */
        framepos_t leftmost_video_frame; /* unit: video-frame number ; temporary var -> vtl_start */
 
        /* variables needed to render videotimeline -- what needs to computed first */
-       framepos_t vtl_start; /* unit: audio-frames ; first displayed video-frame */
-       framepos_t vtl_dist;  /* unit: audio-frames ; distance between displayed video-frames */
+       framepos_t vtl_start; /* unit: audio-samples ; first displayed video-frame */
+       framepos_t vtl_dist;  /* unit: audio-samples ; distance between displayed video-frames */
        unsigned int visible_video_frames; /* number of frames that fit on current canvas */
 
        if (_session->config.get_videotimeline_pullup()) {
@@ -342,28 +345,28 @@ VideoTimeLine::update_video_timeline()
 
        display_vframe_width = bar_height * video_aspect_ratio;
 
-       if (apv > frames_per_unit * display_vframe_width) {
+       if (apv > samples_per_pixel * display_vframe_width) {
                /* high-zoom: need space between successive video-frames */
                vtl_dist = rint(apv);
        } else {
                /* continous timeline: skip video-frames */
-               vtl_dist = ceil(display_vframe_width * frames_per_unit / apv) * apv;
+               vtl_dist = ceil(display_vframe_width * samples_per_pixel / apv) * apv;
        }
 
        assert (vtl_dist > 0);
        assert (apv > 0);
 
-       leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - video_offset ) / vtl_dist) * vtl_dist / apv);
+       leftmost_video_frame = floor (floor((long double)(leftmost_sample - video_start_offset - video_offset ) / vtl_dist) * vtl_dist / apv);
 
        vtl_start = rint (video_offset + video_start_offset + leftmost_video_frame * apv);
-       visible_video_frames = 2 + ceil(editor->current_page_frames() / vtl_dist); /* +2 left+right partial frames */
+       visible_video_frames = 2 + ceil((double)editor->current_page_samples() / vtl_dist); /* +2 left+right partial frames */
 
        /* expand timeline (cache next/prev page images) */
        vtl_start -= visible_video_frames * vtl_dist;
        visible_video_frames *=3;
 
        if (vtl_start < video_offset ) {
-               visible_video_frames += ceil(vtl_start/vtl_dist);
+               visible_video_frames += ceil((double)vtl_start/vtl_dist);
                vtl_start = video_offset;
        }
 
@@ -383,7 +386,7 @@ VideoTimeLine::update_video_timeline()
 
        while (video_frames.size() < visible_video_frames) {
                VideoImageFrame *frame;
-               frame = new VideoImageFrame(*editor, *videotl_bar_group, display_vframe_width, bar_height, video_server_url, translated_filename());
+               frame = new VideoImageFrame(*editor, *videotl_group, display_vframe_width, bar_height, video_server_url, translated_filename());
                frame->ImgChanged.connect (*this, invalidator (*this), boost::bind (&PublicEditor::queue_visual_videotimeline_update, editor), gui_context());
                video_frames.push_back(frame);
        }
@@ -416,7 +419,7 @@ VideoTimeLine::update_video_timeline()
                }
                VideoImageFrame * frame = get_video_frame(vframeno, cut, rightend);
                if (frame) {
-                 frame->set_position(vfpos-leftmost_frame);
+                 frame->set_position(vfpos);
                        outdated_video_frames.remove(frame);
                } else {
                        remaining.push_back(vfcount);
@@ -426,7 +429,7 @@ VideoTimeLine::update_video_timeline()
        for (VideoFrames::iterator i = outdated_video_frames.begin(); i != outdated_video_frames.end(); ++i ) {
                VideoImageFrame *frame = (*i);
                if (remaining.empty()) {
-                 frame->set_position(-2 * vtl_dist); /* move off screen */
+                 frame->set_position(-2 * vtl_dist + leftmost_sample); /* move off screen */
                } else {
                        int vfcount=remaining.front();
                        remaining.pop_front();
@@ -437,7 +440,7 @@ VideoTimeLine::update_video_timeline()
                                rightend = display_vframe_width * (video_start_offset + video_duration + video_offset - vfpos) / vtl_dist;
                                //printf("lf(n): %lu\n", vframeno); // XXX
                        }
-                       frame->set_position(vfpos-leftmost_frame);
+                       frame->set_position(vfpos);
                        frame->set_videoframe(vframeno, rightend);
                }
        }
@@ -458,7 +461,8 @@ VideoTimeLine::video_file_info (std::string filename, bool local)
 {
 
        local_file = local;
-       if (filename.at(0) == G_DIR_SEPARATOR || !local_file) {
+       if (Glib::path_is_absolute(filename) || !local_file)
+       {
                video_filename = filename;
        }  else {
                video_filename = Glib::build_filename (_session->session_directory().video_path(), filename);
@@ -589,7 +593,7 @@ VideoTimeLine::check_server_docroot ()
                        || lines.at(0).empty()
                        || lines.at(0).at(0) != video_get_docroot(Config)) {
                warning << string_compose(
-                               _("Video-server docroot mismatch. %1: '%2', video-server: '%3'. This usually means that the video server was not started by ardour and uses a different document-root."),
+                               _("Video-server docroot mismatch. %1: '%2', video-server: '%3'. This usually means that the video server was not started by %1 and uses a different document-root."),
                                PROGRAM_NAME, video_get_docroot(Config), lines.at(0).at(0))
                << endmsg;
                ok = false; // TODO allow to override
@@ -718,16 +722,25 @@ VideoTimeLine::set_video_server_docroot(std::string vsr) {
 }
 
 /* video-monitor for this timeline */
+void
+VideoTimeLine::xjadeo_readversion (std::string d, size_t /* s */) {
+       xjadeo_version += d;
+}
+
 void
 VideoTimeLine::find_xjadeo () {
        std::string xjadeo_file_path;
+#ifdef PLATFORM_WINDOWS
+       HKEY key;
+       DWORD size = PATH_MAX;
+       char tmp[PATH_MAX+1];
+       const char *program_files = PBD::get_win_special_folder (CSIDL_PROGRAM_FILES);
+#endif
        if (getenv("XJREMOTE")) {
                _xjadeo_bin = getenv("XJREMOTE");
-       }
-       else if (find_file_in_search_path (SearchPath(Glib::getenv("PATH")), X_("xjremote"), xjadeo_file_path)) {
+       } else if (find_file (Searchpath(Glib::getenv("PATH")), X_("xjremote"), xjadeo_file_path)) {
                _xjadeo_bin = xjadeo_file_path;
-       }
-       else if (find_file_in_search_path (SearchPath(Glib::getenv("PATH")), X_("xjadeo"), xjadeo_file_path)) {
+       } else if (find_file (Searchpath(Glib::getenv("PATH")), X_("xjadeo"), xjadeo_file_path)) {
                _xjadeo_bin = xjadeo_file_path;
        }
 #ifdef __APPLE__
@@ -739,26 +752,19 @@ VideoTimeLine::find_xjadeo () {
        }
 #endif
 #ifdef PLATFORM_WINDOWS
-       else {
-               HKEY key;
-               DWORD size = PATH_MAX;
-               char path[PATH_MAX+1];
-               xjadeo_file_path = X_("");
-               if (   (ERROR_SUCCESS == RegOpenKeyExA (HKEY_LOCAL_MACHINE, "Software\\RSS\\xjadeo", 0, KEY_READ, &key))
-                   && (ERROR_SUCCESS == RegQueryValueExA (key, "Install_Dir", 0, NULL, (LPBYTE)path, &size))
-                  )
-               {
-                       xjadeo_file_path = g_build_filename(path, X_("xjadeo.exe"));
-               }
-       }
-       if (Glib::file_test(xjadeo_file_path, Glib::FILE_TEST_EXISTS)) {
-               _xjadeo_bin = xjadeo_file_path;
+       else if ( (ERROR_SUCCESS == RegOpenKeyExA (HKEY_LOCAL_MACHINE, "Software\\RSS\\xjadeo", 0, KEY_READ, &key))
+                       &&  (ERROR_SUCCESS == RegQueryValueExA (key, "Install_Dir", 0, NULL, reinterpret_cast<LPBYTE>(tmp), &size))
+                       )
+       {
+               _xjadeo_bin = std::string(g_build_filename(Glib::locale_to_utf8(tmp).c_str(), "xjadeo.exe", 0));
        }
-       else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.exe"), Glib::FILE_TEST_EXISTS)) {
-               _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.exe");
+       else if (program_files && Glib::file_test(g_build_filename(program_files, "xjadeo", "xjadeo.exe", 0), Glib::FILE_TEST_EXISTS))
+       {
+               _xjadeo_bin = std::string(g_build_filename(program_files, "xjadeo", "xjadeo.exe", 0));
        }
-       else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjremote.bat"), Glib::FILE_TEST_EXISTS)) {
-               _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjremote.bat");
+       /* generic fallback to try */
+       else if (Glib::file_test(X_("C:\\Program Files\\xjadeo\\xjadeo.exe"), Glib::FILE_TEST_EXISTS)) {
+               _xjadeo_bin = X_("C:\\Program Files\\xjadeo\\xjadeo.exe");
        }
 #endif
        else  {
@@ -770,6 +776,45 @@ VideoTimeLine::find_xjadeo () {
                                "see also http://manual.ardour.org/video-timeline/setup/")
                        << endmsg;
        }
+       if (found_xjadeo ()) {
+               ARDOUR::SystemExec version_check(_xjadeo_bin, X_("--version"));
+               xjadeo_version = "";
+               version_check.ReadStdout.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, _1 ,_2));
+               version_check.Terminated.connect_same_thread (*this, boost::bind (&VideoTimeLine::xjadeo_readversion, this, "\n" ,1));
+               if (version_check.start(2)) {
+                       warning << _(
+                                       "Video-monitor 'xjadeo' cannot be launched."
+                                       ) << endmsg;
+                       _xjadeo_bin = X_("");
+                       return;
+               }
+
+               version_check.wait ();
+               int timeout = 300;
+               while (xjadeo_version.empty() && --timeout) {
+                       Glib::usleep(10000);
+               }
+
+               bool v_ok = false;
+               size_t vo = xjadeo_version.find(" version ");
+               if (vo != string::npos) {
+                       int v_major, v_minor, v_micro;
+                       if(sscanf(xjadeo_version.substr(vo + 9, string::npos).c_str(),"%d.%d.%d",
+                                               &v_major, &v_minor, &v_micro) == 3)
+                       {
+                               if (v_major >= 1) v_ok = true;
+                               else if (v_major == 0 && v_minor >= 8) v_ok = true;
+                               else if (v_major == 0 && v_minor >= 7 && v_micro >= 7) v_ok = true;
+                       }
+               }
+               if (!v_ok) {
+                       _xjadeo_bin = X_("");
+                       warning << _(
+                                       "Video-monitor 'xjadeo' is too old. "
+                                       "Please install xjadeo version 0.7.7 or later. http://xjadeo.sf.net/"
+                                       ) << endmsg;
+               }
+       }
 }
 
 void