diff options
author | John Emmas <johne53@tiscali.co.uk> | 2013-09-21 09:17:25 +0100 |
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committer | John Emmas <johne53@tiscali.co.uk> | 2013-09-21 09:17:25 +0100 |
commit | 19bb2b33a89a1291451f0740739a36daebe00bae (patch) | |
tree | d0cafb4792ec4ff61d04d16c1e86199b2714a36f /gtk2_ardour/video_timeline.cc | |
parent | 66aa6dfc8ecdb7591768bc45866a8c2b0d77e767 (diff) | |
parent | fd23ebd0886cd61f8ee68d52d6576d00a16c9032 (diff) |
Merge remote-tracking branch 'remotes/origin/cairocanvas' into windows
Conflicts (hopefully resolved):
gtk2_ardour/marker.cc
gtk2_ardour/midi_region_view.h
gtk2_ardour/region_gain_line.h
gtk2_ardour/utils.cc
gtk2_ardour/video_image_frame.cc
gtk2_ardour/wscript
libs/backends/jack/wscript
Diffstat (limited to 'gtk2_ardour/video_timeline.cc')
-rw-r--r-- | gtk2_ardour/video_timeline.cc | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/gtk2_ardour/video_timeline.cc b/gtk2_ardour/video_timeline.cc index bb7fc16723..10a444dadb 100644 --- a/gtk2_ardour/video_timeline.cc +++ b/gtk2_ardour/video_timeline.cc @@ -29,8 +29,6 @@ #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 +47,7 @@ using namespace VideoUtils; 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; @@ -271,7 +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()) { @@ -304,8 +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) @@ -317,12 +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()) { @@ -338,21 +336,21 @@ 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((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(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; @@ -379,7 +377,7 @@ 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); } @@ -412,7 +410,7 @@ 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); @@ -422,7 +420,7 @@ 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(); @@ -433,7 +431,7 @@ 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); } } |