--- /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 "bcsignals.h"
+#include "clip.h"
+#include "condition.h"
+#include "edl.h"
+#include "edlsession.h"
+#include "localsession.h"
+#include "tracks.h"
+#include "transportque.h"
+
+TransportCommand::TransportCommand()
+{
+// In rendering we want a master EDL so settings don't get clobbered
+// in the middle of a job.
+ edl = new EDL;
+ edl->create_objects();
+ command = 0;
+ change_type = 0;
+ reset();
+}
+
+TransportCommand::~TransportCommand()
+{
+ edl->Garbage::remove_user();
+}
+
+void TransportCommand::reset()
+{
+ playbackstart = 0;
+ start_position = 0;
+ end_position = 0;
+ infinite = 0;
+ realtime = 0;
+ resume = 0;
+// Don't reset the change type for commands which don't perform the change
+ if(command != STOP) change_type = 0;
+ command = COMMAND_NONE;
+}
+
+EDL* TransportCommand::get_edl()
+{
+ return edl;
+}
+
+void TransportCommand::delete_edl()
+{
+ edl->Garbage::remove_user();
+ edl = 0;
+}
+
+void TransportCommand::new_edl()
+{
+ edl = new EDL;
+ edl->create_objects();
+}
+
+
+void TransportCommand::copy_from(TransportCommand *command)
+{
+ this->command = command->command;
+ this->change_type = command->change_type;
+ this->edl->copy_all(command->edl);
+ this->start_position = command->start_position;
+ this->end_position = command->end_position;
+ this->playbackstart = command->playbackstart;
+ this->realtime = command->realtime;
+ this->resume = command->resume;
+}
+
+TransportCommand& TransportCommand::operator=(TransportCommand &command)
+{
+ copy_from(&command);
+ return *this;
+}
+
+int TransportCommand::single_frame()
+{
+ return (command == SINGLE_FRAME_FWD ||
+ command == SINGLE_FRAME_REWIND ||
+ command == CURRENT_FRAME);
+}
+
+
+int TransportCommand::get_direction()
+{
+ switch(command)
+ {
+ case SINGLE_FRAME_FWD:
+ case NORMAL_FWD:
+ case FAST_FWD:
+ case SLOW_FWD:
+ case CURRENT_FRAME:
+ return PLAY_FORWARD;
+ break;
+
+ case SINGLE_FRAME_REWIND:
+ case NORMAL_REWIND:
+ case FAST_REWIND:
+ case SLOW_REWIND:
+ return PLAY_REVERSE;
+ break;
+
+ default:
+ return PLAY_FORWARD;
+ break;
+ }
+}
+
+float TransportCommand::get_speed()
+{
+ switch(command)
+ {
+ case SLOW_FWD:
+ case SLOW_REWIND:
+ return 0.5;
+
+ case NORMAL_FWD:
+ case NORMAL_REWIND:
+ case SINGLE_FRAME_FWD:
+ case SINGLE_FRAME_REWIND:
+ case CURRENT_FRAME:
+ return 1.;
+
+ case FAST_FWD:
+ case FAST_REWIND:
+ return 2.;
+ }
+
+ return 0.;
+}
+
+// Assume starting without pause
+void TransportCommand::set_playback_range(EDL *edl, int use_inout)
+{
+ if(!edl) edl = this->edl;
+
+
+
+
+ switch(command)
+ {
+ case SLOW_FWD:
+ case FAST_FWD:
+ case NORMAL_FWD:
+ start_position = edl->local_session->get_selectionstart(1);
+ if(EQUIV(edl->local_session->get_selectionend(1), edl->local_session->get_selectionstart(1)))
+ end_position = edl->tracks->total_playable_length();
+ else
+ end_position = edl->local_session->get_selectionend(1);
+// this prevents a crash if start position is after the loop when playing forwards
+ if (edl->local_session->loop_playback &&
+ start_position > edl->local_session->loop_end)
+ {
+ start_position = edl->local_session->loop_start;
+ }
+ break;
+
+ case SLOW_REWIND:
+ case FAST_REWIND:
+ case NORMAL_REWIND:
+ end_position = edl->local_session->get_selectionend(1);
+ if(EQUIV(edl->local_session->get_selectionend(1), edl->local_session->get_selectionstart(1)))
+ start_position = 0;
+ else
+ start_position = edl->local_session->get_selectionstart(1);
+
+// this prevents a crash if start position is before the loop when playing backwards
+ if (edl->local_session->loop_playback &&
+ end_position <= edl->local_session->loop_start)
+ {
+ end_position = edl->local_session->loop_end;
+ }
+ break;
+
+ case CURRENT_FRAME:
+ case SINGLE_FRAME_FWD:
+ start_position = edl->local_session->get_selectionstart(1);
+ end_position = start_position +
+ 1.0 /
+ edl->session->frame_rate;
+ break;
+
+ case SINGLE_FRAME_REWIND:
+ start_position = edl->local_session->get_selectionend(1);
+ end_position = start_position -
+ 1.0 /
+ edl->session->frame_rate;
+ break;
+ }
+
+
+ if(use_inout)
+ {
+ if(edl->local_session->inpoint_valid())
+ start_position = edl->local_session->get_inpoint();
+ if(edl->local_session->outpoint_valid())
+ end_position = edl->local_session->get_outpoint();
+ }
+
+ switch(get_direction())
+ {
+ case PLAY_FORWARD:
+ playbackstart = start_position;
+ break;
+
+ case PLAY_REVERSE:
+ playbackstart = end_position;
+ break;
+ }
+
+}
+
+void TransportCommand::playback_range_adjust_inout()
+{
+ if(edl->local_session->inpoint_valid() ||
+ edl->local_session->outpoint_valid())
+ {
+ playback_range_inout();
+ }
+}
+
+void TransportCommand::playback_range_inout()
+{
+ if(edl->local_session->inpoint_valid())
+ start_position = edl->local_session->get_inpoint();
+ else
+ start_position = 0;
+
+ if(edl->local_session->outpoint_valid())
+ end_position = edl->local_session->get_outpoint();
+ else
+ end_position = edl->tracks->total_playable_length();
+}
+
+void TransportCommand::playback_range_project()
+{
+ start_position = 0;
+ end_position = edl->tracks->total_playable_length();
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+TransportQue::TransportQue()
+{
+ input_lock = new Condition(1, "TransportQue::input_lock");
+ output_lock = new Condition(0, "TransportQue::output_lock", 1);
+}
+
+TransportQue::~TransportQue()
+{
+ delete input_lock;
+ delete output_lock;
+}
+
+int TransportQue::send_command(int command,
+ int change_type,
+ EDL *new_edl,
+ int realtime,
+ int resume,
+ int use_inout)
+{
+ input_lock->lock("TransportQue::send_command 1");
+ this->command.command = command;
+// Mutually exclusive operation
+ this->command.change_type |= change_type;
+ this->command.realtime = realtime;
+ this->command.resume = resume;
+
+ if(new_edl)
+ {
+// Just change the EDL if the change requires it because renderengine
+// structures won't point to the new EDL otherwise and because copying the
+// EDL for every cursor movement is slow.
+ if(change_type == CHANGE_EDL ||
+ (uint32_t)change_type == CHANGE_ALL)
+ {
+// Copy EDL
+ this->command.get_edl()->copy_all(new_edl);
+ }
+ else
+ if(change_type == CHANGE_PARAMS)
+ {
+ this->command.get_edl()->synchronize_params(new_edl);
+ }
+
+// Set playback range
+ this->command.set_playback_range(new_edl, use_inout);
+ }
+
+ input_lock->unlock();
+
+ output_lock->unlock();
+ return 0;
+}
+
+void TransportQue::update_change_type(int change_type)
+{
+ input_lock->lock("TransportQue::update_change_type");
+ this->command.change_type |= change_type;
+ input_lock->unlock();
+}
projects / goodguy / history.git / blobdiff