--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "asset.h"
+#include "autoconf.h"
+#include "cache.h"
+#include "clip.h"
+#include "datatype.h"
+#include "edit.h"
+#include "edits.h"
+#include "edl.h"
+#include "edlsession.h"
+#include "filexml.h"
+#include "floatauto.h"
+#include "floatautos.h"
+#include "language.h"
+#include "localsession.h"
+#include "patch.h"
+#include "mainsession.h"
+#include "theme.h"
+#include "trackcanvas.h"
+#include "tracks.h"
+#include "transportque.inc"
+#include "units.h"
+#include "vautomation.h"
+#include "vedit.h"
+#include "vedits.h"
+#include "vframe.h"
+#include "vmodule.h"
+#include "vpluginset.h"
+#include "vtrack.h"
+
+VTrack::VTrack(EDL *edl, Tracks *tracks)
+ : Track(edl, tracks)
+{
+ data_type = TRACK_VIDEO;
+ draw = 1;
+}
+
+VTrack::~VTrack()
+{
+}
+
+void VTrack::create_objects()
+{
+ Track::create_objects();
+ automation = new VAutomation(edl, this);
+ automation->create_objects();
+ edits = new VEdits(edl, this);
+}
+
+// Used by PlaybackEngine
+void VTrack::synchronize_params(Track *track)
+{
+ Track::synchronize_params(track);
+ //VTrack *vtrack = (VTrack*)track;
+}
+
+// Used by EDL::operator=
+int VTrack::copy_settings(Track *track)
+{
+ Track::copy_settings(track);
+ //VTrack *vtrack = (VTrack*)track;
+ return 0;
+}
+
+int VTrack::vertical_span(Theme *theme)
+{
+ int track_h = Track::vertical_span(theme);
+ int patch_h = 0;
+ if(expand_view)
+ {
+ patch_h += theme->title_h + theme->play_h + theme->fade_h + theme->mode_h;
+ }
+ return MAX(track_h, patch_h);
+}
+
+
+PluginSet* VTrack::new_plugins()
+{
+ return new VPluginSet(edl, this);
+}
+
+int VTrack::load_defaults(BC_Hash *defaults)
+{
+ Track::load_defaults(defaults);
+ return 0;
+}
+
+void VTrack::set_default_title()
+{
+ Track *current = ListItem<Track>::owner->first;
+ int i;
+ for(i = 0; current; current = NEXT)
+ {
+ if(current->data_type == TRACK_VIDEO) i++;
+ }
+ sprintf(title, _("Video %d"), i);
+ BC_Resources::encode_to_utf8(title, BCTEXTLEN);
+}
+
+int64_t VTrack::to_units(double position, int round)
+{
+ if(round)
+ {
+ return Units::round(position * edl->session->frame_rate);
+ }
+ else
+ {
+// Kludge for rounding errors, just on a smaller scale than formal rounding
+ position *= edl->session->frame_rate;
+ return Units::to_int64(position);
+ }
+}
+
+double VTrack::to_doubleunits(double position)
+{
+ return position * edl->session->frame_rate;
+}
+
+
+double VTrack::from_units(int64_t position)
+{
+ return (double)position / edl->session->frame_rate;
+}
+
+
+
+
+int VTrack::identical(int64_t sample1, int64_t sample2)
+{
+// Units of frames
+ if(labs(sample1 - sample2) <= 1) return 1; else return 0;
+}
+
+int VTrack::save_header(FileXML *file)
+{
+ file->tag.set_property("TYPE", "VIDEO");
+ return 0;
+}
+
+int VTrack::save_derived(FileXML *file)
+{
+ return 0;
+}
+
+int VTrack::load_header(FileXML *file, uint32_t load_flags)
+{
+ return 0;
+}
+
+int VTrack::load_derived(FileXML *file, uint32_t load_flags)
+{
+ return 0;
+}
+
+
+int VTrack::direct_copy_possible(int64_t start, int direction, int use_nudge)
+{
+ if(use_nudge) start += nudge;
+
+// Track size must equal output size
+ if(track_w != edl->session->output_w || track_h != edl->session->output_h)
+ return 0;
+
+ if(has_speed()) return 0;
+
+// No automation must be present in the track
+ if(!automation->direct_copy_possible(start, direction))
+ return 0;
+
+// No plugin must be present
+ if(plugin_used(start, direction))
+ return 0;
+
+// No transition
+ if(get_current_transition(start, direction, 0, 0))
+ return 0;
+
+ return 1;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+int VTrack::create_derived_objs(int flash)
+{
+ edits = new VEdits(edl, this);
+ return 0;
+}
+
+
+// int VTrack::get_dimensions(double &view_start,
+// double &view_units,
+// double &zoom_units)
+// {
+// view_start = edl->local_session->view_start * edl->session->frame_rate;
+// view_units = 0;
+// zoom_units = edl->local_session->zoom_sample / edl->session->sample_rate * edl->session->frame_rate;
+// return 0;
+// }
+
+int VTrack::copy_derived(int64_t start, int64_t end, FileXML *xml)
+{
+// automation is copied in the Track::copy
+ return 0;
+}
+
+int VTrack::copy_automation_derived(AutoConf *auto_conf, int64_t start, int64_t end, FileXML *file)
+{
+ return 0;
+}
+
+int VTrack::paste_derived(int64_t start, int64_t end, int64_t total_length, FileXML *xml, int ¤t_channel)
+{
+ return 0;
+}
+
+int VTrack::paste_output(int64_t startproject, int64_t endproject, int64_t startsource, int64_t endsource, int layer, Asset *asset)
+{
+ return 0;
+}
+
+int VTrack::clear_derived(int64_t start, int64_t end)
+{
+ return 0;
+}
+
+int VTrack::paste_automation_derived(int64_t start, int64_t end, int64_t total_length, FileXML *xml, int shift_autos, int ¤t_pan)
+{
+ return 0;
+}
+
+int VTrack::clear_automation_derived(AutoConf *auto_conf, int64_t start, int64_t end, int shift_autos)
+{
+ return 0;
+}
+
+int VTrack::draw_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf)
+{
+ return 0;
+}
+
+
+int VTrack::select_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y)
+{
+ return 0;
+}
+
+
+int VTrack::move_auto_derived(float zoom_units, float view_start, AutoConf *auto_conf, int cursor_x, int cursor_y, int shift_down)
+{
+ return 0;
+}
+
+int VTrack::draw_floating_autos_derived(float view_start, float zoom_units, AutoConf *auto_conf, int flash)
+{
+ return 0;
+}
+
+int VTrack::is_playable(int64_t position, int direction)
+{
+ int result = 0;
+ float in_x, in_y, in_w, in_h;
+ float out_x, out_y, out_w, out_h;
+
+ calculate_output_transfer(position,
+ direction,
+ in_x, in_y, in_w, in_h,
+ out_x, out_y, out_w, out_h);
+
+//printf("VTrack::is_playable %0.0f %0.0f %0.0f %0.0f %0.0f %0.0f %0.0f %0.0f\n",
+//in_x, in_y, in_w, in_h, out_x, out_y, out_w, out_h);
+ if(out_w > 0 && out_h > 0)
+ result = 1;
+ return result;
+}
+
+void VTrack::calculate_input_transfer(int asset_w, int asset_h,
+ int64_t position, int direction,
+ float &in_x, float &in_y, float &in_w, float &in_h,
+ float &out_x, float &out_y, float &out_w, float &out_h)
+{
+ float auto_x, auto_y, auto_z;
+ float camera_z = 1.;
+ float camera_x = asset_w / 2.;
+ float camera_y = asset_h / 2.;
+// camera and output coords
+ float x[6], y[6];
+
+//printf("VTrack::calculate_input_transfer %jd\n", position);
+
+// get camera center in asset
+ automation->get_camera(&auto_x, &auto_y, &auto_z,
+ position, direction);
+
+ camera_z *= auto_z;
+ camera_x += auto_x;
+ camera_y += auto_y;
+
+// get camera coords on asset
+ x[0] = camera_x - (float)track_w / 2 / camera_z;
+ y[0] = camera_y - (float)track_h / 2 / camera_z;
+ x[1] = x[0] + (float)track_w / camera_z;
+ y[1] = y[0] + (float)track_h / camera_z;
+
+// get asset coords on camera
+ x[2] = 0;
+ y[2] = 0;
+ x[3] = track_w;
+ y[3] = track_h;
+
+// crop asset coords on camera
+ if(x[0] < 0)
+ {
+ x[2] -= x[0] * camera_z;
+ x[0] = 0;
+ }
+ if(y[0] < 0)
+ {
+ y[2] -= y[0] * camera_z;
+ y[0] = 0;
+ }
+ if(x[1] > asset_w)
+ {
+ x[3] -= (x[1] - asset_w) * camera_z;
+ x[1] = asset_w;
+ }
+ if(y[1] > asset_h)
+ {
+ y[3] -= (y[1] - asset_h) * camera_z;
+ y[1] = asset_h;
+ }
+
+// get output bounding box
+ out_x = x[2];
+ out_y = y[2];
+ out_w = x[3] - x[2];
+ out_h = y[3] - y[2];
+
+ in_x = x[0];
+ in_y = y[0];
+ in_w = x[1] - x[0];
+ in_h = y[1] - y[0];
+// printf("VTrack::calculate_input_transfer %f %f %f %f -> %f %f %f %f\n",
+// in_x, in_y, in_w, in_h,
+// out_x, out_y, out_w, out_h);
+}
+
+void VTrack::calculate_output_transfer(int64_t position, int direction,
+ float &in_x, float &in_y, float &in_w, float &in_h,
+ float &out_x, float &out_y, float &out_w, float &out_h)
+{
+ float center_x, center_y, center_z;
+ float x[4], y[4];
+
+ x[0] = 0;
+ y[0] = 0;
+ x[1] = track_w;
+ y[1] = track_h;
+
+ automation->get_projector(¢er_x,
+ ¢er_y,
+ ¢er_z,
+ position,
+ direction);
+
+ center_x += edl->session->output_w / 2;
+ center_y += edl->session->output_h / 2;
+
+ x[2] = center_x - (track_w / 2) * center_z;
+ y[2] = center_y - (track_h / 2) * center_z;
+ x[3] = x[2] + track_w * center_z;
+ y[3] = y[2] + track_h * center_z;
+
+// Clip to boundaries of output
+ if(x[2] < 0)
+ {
+ x[0] -= (x[2] - 0) / center_z;
+ x[2] = 0;
+ }
+ if(y[2] < 0)
+ {
+ y[0] -= (y[2] - 0) / center_z;
+ y[2] = 0;
+ }
+ if(x[3] > edl->session->output_w)
+ {
+ x[1] -= (x[3] - edl->session->output_w) / center_z;
+ x[3] = edl->session->output_w;
+ }
+ if(y[3] > edl->session->output_h)
+ {
+ y[1] -= (y[3] - edl->session->output_h) / center_z;
+ y[3] = edl->session->output_h;
+ }
+
+ in_x = x[0];
+ in_y = y[0];
+ in_w = x[1] - x[0];
+ in_h = y[1] - y[0];
+ out_x = x[2];
+ out_y = y[2];
+ out_w = x[3] - x[2];
+ out_h = y[3] - y[2];
+// printf("VTrack::calculate_output_transfer %f %f %f %f -> %f %f %f %f\n",
+// in_x, in_y, in_w, in_h,
+// out_x, out_y, out_w, out_h);
+}
+
+
+
+int VTrack::get_projection(float &in_x1, float &in_y1, float &in_x2, float &in_y2,
+ float &out_x1, float &out_y1, float &out_x2, float &out_y2,
+ int frame_w, int frame_h, int64_t real_position, int direction)
+{
+ float center_x, center_y, center_z;
+ float x[4], y[4];
+
+ automation->get_projector(¢er_x,
+ ¢er_y,
+ ¢er_z,
+ real_position,
+ direction);
+
+ x[0] = y[0] = 0;
+ x[1] = frame_w;
+ y[1] = frame_h;
+
+ center_x += edl->session->output_w / 2;
+ center_y += edl->session->output_h / 2;
+
+ x[2] = center_x - (frame_w / 2) * center_z;
+ y[2] = center_y - (frame_h / 2) * center_z;
+ x[3] = x[2] + frame_w * center_z;
+ y[3] = y[2] + frame_h * center_z;
+
+ if(x[2] < 0)
+ {
+ x[0] -= x[2] / center_z;
+ x[2] = 0;
+ }
+ if(y[2] < 0)
+ {
+ y[0] -= y[2] / center_z;
+ y[2] = 0;
+ }
+ if(x[3] > edl->session->output_w)
+ {
+ x[1] -= (x[3] - edl->session->output_w) / center_z;
+ x[3] = edl->session->output_w;
+ }
+ if(y[3] > edl->session->output_h)
+ {
+ y[1] -= (y[3] - edl->session->output_h) / center_z;
+ y[3] = edl->session->output_h;
+ }
+
+ in_x1 = x[0]; in_y1 = y[0]; in_x2 = x[1]; in_y2 = y[1];
+ out_x1 = x[2]; out_y1 = y[2]; out_x2 = x[3]; out_y2 = y[3];
+ return 0;
+}
+
+
+
+inline void addto_value(FloatAuto *fauto, float offset)
+{
+ fauto->set_value(fauto->get_value() + offset);
+}
+
+
+void VTrack::translate(float offset_x, float offset_y, int do_camera)
+{
+ int subscript;
+ if(do_camera)
+ subscript = AUTOMATION_CAMERA_X;
+ else
+ subscript = AUTOMATION_PROJECTOR_X;
+
+// Translate default keyframe
+ addto_value((FloatAuto*)automation->autos[subscript]->default_auto, offset_x);
+ addto_value((FloatAuto*)automation->autos[subscript + 1]->default_auto, offset_y);
+
+// Translate everyone else
+ for(Auto *current = automation->autos[subscript]->first;
+ current;
+ current = NEXT)
+ {
+ addto_value((FloatAuto*)current, offset_x);
+ }
+
+ for(Auto *current = automation->autos[subscript + 1]->first;
+ current;
+ current = NEXT)
+ {
+ addto_value((FloatAuto*)current, offset_y);
+ }
+}
+