--- /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 "bchash.h"
+#include "clip.h"
+#include "edl.h"
+#include "edlsession.h"
+#include "filexml.h"
+#include "keyframe.h"
+#include "keyframes.h"
+#include "localsession.h"
+#include "track.h"
+#include "transportque.inc"
+
+KeyFrames::KeyFrames(EDL *edl, Track *track)
+ : Autos(edl, track)
+{
+ type = Autos::AUTOMATION_TYPE_PLUGIN;
+}
+
+KeyFrames::~KeyFrames()
+{
+}
+
+
+KeyFrame* KeyFrames::get_prev_keyframe(int64_t position,
+ int direction)
+{
+ KeyFrame *current = 0;
+
+// This doesn't work because edl->selectionstart doesn't change during
+// playback at the same rate as PluginClient::source_position.
+ if(position < 0)
+ {
+ position = track->to_units(edl->local_session->get_selectionstart(1), 0);
+ }
+
+// Get keyframe on or before current position
+ for(current = (KeyFrame*)last;
+ current;
+ current = (KeyFrame*)PREVIOUS)
+ {
+ if(direction == PLAY_FORWARD && current->position <= position) break;
+ else
+ if(direction == PLAY_REVERSE && current->position < position) break;
+ }
+
+// Nothing before current position
+ if(!current && first)
+ {
+ current = (KeyFrame*)first;
+ }
+ else
+// No keyframes
+ if(!current)
+ {
+ current = (KeyFrame*)default_auto;
+ }
+
+ return current;
+}
+
+KeyFrame* KeyFrames::get_keyframe()
+{
+// Search for keyframe on or before selection
+ KeyFrame *result =
+ get_prev_keyframe(
+ track->to_units(edl->local_session->get_selectionstart(1), 0),
+ PLAY_FORWARD);
+
+// Return nearest keyframe if not in automatic keyframe generation
+ if(!edl->session->auto_keyframes)
+ {
+ return result;
+ }
+ else
+// Return new keyframe
+ if(result == (KeyFrame*)default_auto ||
+ result->position != track->to_units(edl->local_session->get_selectionstart(1), 0))
+ {
+ return (KeyFrame*)insert_auto(track->to_units(edl->local_session->get_selectionstart(1), 0));
+ }
+ else
+// Return existing keyframe
+ {
+ return result;
+ }
+
+ return 0;
+}
+
+
+void KeyFrames::update_parameter(KeyFrame *src)
+{
+ const int debug = 0;
+// Create new keyframe if auto keyframes or replace entire keyframe.
+ double selection_start = edl->local_session->get_selectionstart(0);
+ double selection_end = edl->local_session->get_selectionend(0);
+ selection_start = edl->align_to_frame(selection_start, 0);
+ selection_end = edl->align_to_frame(selection_end, 0);
+
+ if(EQUIV(selection_start, selection_end))
+ {
+// Search for keyframe to write to
+ KeyFrame *dst = get_keyframe();
+
+ dst->copy_data(src);
+ }
+ else
+// Replace changed parameter in all selected keyframes.
+ {
+ BC_Hash *params = 0;
+ char *text = 0;
+ char *extra = 0;
+
+
+// Search all keyframes in selection but don't create a new one.
+ int64_t start = track->to_units(selection_start, 0);
+ int64_t end = track->to_units(selection_end, 0);
+ KeyFrame *current = get_prev_keyframe(
+ start,
+ PLAY_FORWARD);
+
+// The first one determines the changed parameters since it is the one displayed
+// in the GUI.
+ current->get_diff(src,
+ ¶ms,
+ &text,
+ &extra);
+
+
+if(debug) printf("KeyFrames::update_parameter %d params=%p position=%jd start=%jd\n",
+ __LINE__, params, current->position, track->to_units(start, 0));
+
+if(debug && params)
+{
+for(int i = 0; i < params->size(); i++)
+printf("KeyFrames::update_parameter %d changed=%s %s\n",
+__LINE__,
+params->get_key(i),
+params->get_value(i));
+}
+
+// Always update the first one
+ current->update_parameter(params,
+ text,
+ extra);
+ for(current = (KeyFrame*)NEXT ; current && current->position < end; current = (KeyFrame*)NEXT)
+ {
+if(debug) printf("KeyFrames::update_parameter %d position=%jd\n",
+ __LINE__, current->position);
+ current->update_parameter(params,
+ text,
+ extra);
+ }
+
+ delete params;
+ delete [] text,
+ delete [] extra;
+ }
+}
+
+Auto* KeyFrames::new_auto()
+{
+ return new KeyFrame(edl, this);
+}
+
+
+void KeyFrames::dump(FILE *fp)
+{
+ fprintf(fp," DEFAULT_KEYFRAME\n");
+ ((KeyFrame*)default_auto)->dump(fp);
+ fprintf(fp," KEYFRAMES total=%d\n", total());
+ for(KeyFrame *current = (KeyFrame*)first;
+ current;
+ current = (KeyFrame*)NEXT)
+ {
+ current->dump(fp);
+ }
+}
+
projects / goodguy / history.git / blobdiff