move setup_outline_context() to a more sensible shared location
[ardour.git] / gtk2_ardour / video_timeline.cc
index 2953fd8277daaa0dfefa0ffafea1bb2eaa394f74..b68f57076e1662c3b55cdd569648f27845daa7b7 100644 (file)
@@ -17,8 +17,6 @@
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
 */
-#ifdef WITH_VIDEOTIMELINE
-
 #include <algorithm>
 #include <sigc++/bind.h>
 #include "ardour/tempo.h"
@@ -30,8 +28,6 @@
 #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"
@@ -49,7 +45,7 @@ using namespace Timecode;
 
 VideoTimeLine::VideoTimeLine (PublicEditor *ed, ArdourCanvas::Group *vbg, int initial_height)
        : editor (ed)
-               , videotl_bar_group(vbg)
+               , videotl_group(vbg)
                , bar_height(initial_height)
 {
        video_start_offset = 0L;
@@ -273,7 +269,7 @@ 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()) {
@@ -306,8 +302,8 @@ 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)
@@ -319,12 +315,12 @@ 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()) {
@@ -340,12 +336,12 @@ 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);
@@ -353,10 +349,10 @@ VideoTimeLine::update_video_timeline()
 
 #define GOFFSET (video_offset)
 
-       leftmost_video_frame = floor (floor((leftmost_frame - video_start_offset - GOFFSET ) / vtl_dist) * vtl_dist / apv);
+       leftmost_video_frame = floor (floor((leftmost_sample - video_start_offset - GOFFSET ) / vtl_dist) * vtl_dist / apv);
 
        vtl_start = rint (GOFFSET + 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(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;
@@ -383,7 +379,7 @@ 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);
        }
@@ -405,7 +401,7 @@ VideoTimeLine::update_video_timeline()
 #endif
 
        for (unsigned int vfcount=0; vfcount < visible_video_frames; ++vfcount){
-               framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
+               framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-samples */
                framepos_t vframeno = rint ( (vfpos - GOFFSET) / apv); /* unit: video-frames */
                vfpos = (vframeno * apv ) + GOFFSET; /* audio-frame  corresponding to /rounded/ video-frame */
 
@@ -416,7 +412,7 @@ 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);
@@ -426,18 +422,17 @@ 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();
-                       framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-frames */
+                       framepos_t vfpos = vtl_start + vfcount * vtl_dist; /* unit: audio-samples */
                        framepos_t vframeno = rint ((vfpos - GOFFSET) / apv);  /* unit: video-frames */
                        int rightend = -1; /* unit: pixels */
                        if (vfpos + vtl_dist > video_start_offset + video_duration + GOFFSET) {
                                rightend = display_vframe_width * (video_start_offset + video_duration + GOFFSET - 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);
                }
        }
@@ -504,7 +499,7 @@ VideoTimeLine::video_file_info (std::string filename, bool local)
                                _session->config.set_timecode_format(timecode_60);
                                break;
                        default:
-                               warning << _("Failed to set session-framerate: ") << video_file_fps << _(" does not have a corresponding option setting in Ardour.") << endmsg; /* TODO: gettext arg */
+                               warning << _("Failed to set session-fps: ") << video_file_fps << _(" does not have a corresponding option setting in Ardour.") << endmsg; /* TODO: gettext arg */
                                break;
                }
                _session->config.set_video_pullup(0); /* TODO only set if set_timecode_format() was successful ?!*/
@@ -803,5 +798,3 @@ VideoTimeLine::manual_seek_video_monitor (framepos_t pos)
        if (!vmonitor->synced_by_manual_seeks()) { return; }
        vmonitor->manual_seek(pos, false, GOFFSET); // XXX -> set offset in xjadeo
 }
-
-#endif /* WITH_VIDEOTIMELINE */