+++ /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::adjust_playback_range()
-{
-
-
- if(edl->local_session->inpoint_valid() ||
- edl->local_session->outpoint_valid())
- {
- 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();
- }
-}
-
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-
-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