--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2009 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 "bcsignals.h"
+#include "cache.h"
+#include "edl.h"
+#include "edlsession.h"
+#include "file.h"
+#include "mwindow.h"
+#include "patch.h"
+#include "playabletracks.h"
+#include "preferences.h"
+#include "mainsession.h"
+#include "trackcanvas.h"
+#include "tracks.h"
+#include "transportque.h"
+#include "units.h"
+#include "vedit.h"
+#include "vedits.h"
+#include "vframe.h"
+#include "vtrack.h"
+
+VEdit::VEdit(EDL *edl, Edits *edits)
+ : Edit(edl, edits)
+{
+}
+
+
+VEdit::~VEdit() { }
+
+int VEdit::load_properties_derived(FileXML *xml)
+{
+ channel = xml->tag.get_property("CHANNEL", (int64_t)0);
+ return 0;
+}
+
+Asset* VEdit::get_nested_asset(int64_t *source_position,
+ int64_t position,
+ int direction)
+{
+ const int debug = 0;
+ Asset *result = 0;
+// Make position relative to edit
+ *source_position = position - startproject + startsource;
+
+if(debug) printf("VEdit::get_nested_asset %d %jd %jd %jd %jd\n",
+__LINE__, *source_position, position, startproject, startsource);
+
+// Descend into nested EDLs
+ if(nested_edl)
+ {
+// Convert position to nested EDL rate
+if(debug) printf("VEdit::get_nested_asset %d\n",
+__LINE__);
+ int64_t pos = *source_position;
+ if(direction == PLAY_REVERSE && pos > 0) --pos;
+ *source_position = Units::to_int64((double)pos *
+ nested_edl->session->frame_rate /
+ edl->session->frame_rate);
+ PlayableTracks *playable_tracks = new PlayableTracks(
+ nested_edl,
+ *source_position,
+ direction,
+ TRACK_VIDEO,
+ 1);
+ if(playable_tracks->size())
+ {
+ VTrack *nested_track = (VTrack*)playable_tracks->get(0);
+ VEdit* nested_edit = (VEdit*)nested_track->edits->editof(
+ *source_position,
+ direction,
+ 1);
+ if(nested_edit)
+ {
+ result = nested_edit->get_nested_asset(
+ source_position,
+ *source_position,
+ direction);
+ }
+ }
+
+ delete playable_tracks;
+if(debug) printf("VEdit::get_nested_asset %d\n",
+__LINE__);
+ return result;
+ }
+ else
+ {
+// Convert position to asset rate
+if(debug) printf("VEdit::get_nested_asset %d %jd %f %f\n",
+__LINE__,
+*source_position,
+asset->frame_rate,
+edl->session->frame_rate);
+ int64_t pos = *source_position;
+ if(direction == PLAY_REVERSE && pos > 0) --pos;
+ *source_position = Units::to_int64((double)pos *
+ asset->frame_rate /
+ edl->session->frame_rate);
+
+ return asset;
+ }
+}
+
+int VEdit::read_frame(VFrame *video_out,
+ int64_t input_position,
+ int direction,
+ CICache *cache,
+ int use_nudge,
+ int use_cache,
+ int use_asynchronous)
+{
+ int64_t source_position = 0;
+ const int debug = 0;
+
+ if(use_nudge) input_position += track->nudge;
+if(debug) printf("VEdit::read_frame %d source_position=%jd input_position=%jd\n",
+ __LINE__, source_position, input_position);
+
+ Asset *asset = get_nested_asset(&source_position,
+ input_position,
+ direction);
+
+if(debug) printf("VEdit::read_frame %d source_position=%jd input_position=%jd\n",
+__LINE__, source_position, input_position);
+
+ File *file = cache->check_out(asset,
+ edl);
+ int result = 0;
+
+if(debug) printf("VEdit::read_frame %d path=%s source_position=%jd\n",
+__LINE__, asset->path, source_position);
+
+ if(file)
+ {
+
+if(debug) printf("VEdit::read_frame %d\n", __LINE__);
+ source_position = (direction == PLAY_FORWARD) ?
+ source_position :
+ (source_position - 1);
+if(debug) printf("VEdit::read_frame %d %jd %jd\n",
+ __LINE__, input_position, source_position);
+
+ if(use_asynchronous)
+ file->start_video_decode_thread();
+ else
+ file->stop_video_thread();
+if(debug) printf("VEdit::read_frame %d\n", __LINE__);
+
+ file->set_layer(channel);
+//printf("VEdit::read_frame %d %lld\n", __LINE__, source_position);
+ file->set_video_position(source_position, 0);
+
+ if(use_cache) file->set_cache_frames(use_cache);
+ result = file->read_frame(video_out);
+if(debug) printf("VEdit::read_frame %d\n", __LINE__);
+ if(use_cache) file->set_cache_frames(0);
+
+if(debug) printf("VEdit::read_frame %d\n", __LINE__);
+ cache->check_in(asset);
+if(debug) printf("VEdit::read_frame %d\n", __LINE__);
+ }
+ else
+ result = 1;
+
+//for(int i = 0; i < video_out->get_w() * 3 * 20; i++) video_out->get_rows()[0][i] = 128;
+ return result;
+}
+
+int VEdit::copy_properties_derived(FileXML *xml, int64_t length_in_selection)
+{
+ return 0;
+}
+
+int VEdit::dump_derived()
+{
+ printf(" VEdit::dump_derived\n");
+ printf(" startproject %jd\n", startproject);
+ printf(" length %jd\n", length);
+ return 0;
+}
+
+int64_t VEdit::get_source_end(int64_t default_)
+{
+ if(!nested_edl && !asset) return default_; // Infinity
+
+ if(nested_edl)
+ {
+ return (int64_t)(nested_edl->tracks->total_playable_length() *
+ edl->session->frame_rate + 0.5);
+ }
+
+ return (int64_t)((double)asset->video_length /
+ asset->frame_rate *
+ edl->session->frame_rate + 0.5);
+}
projects / goodguy / history.git / blobdiff