tracking_active = 0;
audio_cache = 0;
video_cache = 0;
- last_command = STOP;
+ command = new TransportCommand();
+ command->command = STOP;
+ next_command = new TransportCommand();
+ next_command->change_type = CHANGE_ALL;
+ curr_command = new TransportCommand();
+ stop_command = new TransportCommand();
+ stop_command->command = STOP;
tracking_lock = new Mutex("PlaybackEngine::tracking_lock");
renderengine_lock = new Mutex("PlaybackEngine::renderengine_lock");
tracking_done = new Condition(1, "PlaybackEngine::tracking_done");
pause_lock = new Condition(0, "PlaybackEngine::pause_lock");
start_lock = new Condition(0, "PlaybackEngine::start_lock");
+ input_lock = new Condition(1, "PlaybackEngine::input_lock");
+ output_lock = new Condition(0, "PlaybackEngine::output_lock", 1);
+
render_engine = 0;
debug = 0;
}
PlaybackEngine::~PlaybackEngine()
{
done = 1;
- que->send_command(STOP,
- CHANGE_NONE,
- 0,
- 0);
+ transport_stop();
interrupt_playback();
Thread::join();
delete preferences;
- delete command;
- delete que;
delete_render_engine();
delete audio_cache;
delete video_cache;
delete pause_lock;
delete start_lock;
delete renderengine_lock;
+ delete command;
+ delete next_command;
+ delete curr_command;
+ delete stop_command;
+ delete input_lock;
+ delete output_lock;
}
void PlaybackEngine::create_objects()
{
preferences = new Preferences;
- command = new TransportCommand;
- que = new TransportQue;
-// Set the first change to maximum
- que->command.change_type = CHANGE_ALL;
-
preferences->copy_from(mwindow->preferences);
done = 0;
void PlaybackEngine::perform_change()
{
- switch(command->change_type)
+ switch( command->change_type )
{
case CHANGE_ALL:
create_cache();
// Interpolate
{
double loop_start, loop_end;
- int play_loop = command->play_loop ? 1 : 0;
+ int play_loop = command->loop_play ? 1 : 0;
EDL *edl = command->get_edl();
int loop_playback = edl->local_session->loop_playback ? 1 : 0;
if( play_loop || !loop_playback ) {
while( !done ) {
// Wait for current command to finish
- que->output_lock->lock("PlaybackEngine::run");
+ output_lock->lock("PlaybackEngine::run");
wait_render_engine();
// Read the new command
- que->input_lock->lock("PlaybackEngine::run");
- if(done) return;
-
- command->copy_from(&que->command);
- que->command.reset();
- que->input_lock->unlock();
+ input_lock->lock("PlaybackEngine::run");
+ if( done ) return;
+ command->copy_from(curr_command);
+ input_lock->unlock();
//printf("PlaybackEngine::run 1 %d\n", command->command);
switch( command->command ) {
// Parameter change only
case COMMAND_NONE:
-// command->command = last_command;
perform_change();
break;
case CURRENT_FRAME:
case LAST_FRAME:
- last_command = command->command;
perform_change();
arm_render_engine();
// Dispatch the command
case SINGLE_FRAME_REWIND:
// fall through
default:
- last_command = command->command;
is_playing_back = 1;
perform_change();
void PlaybackEngine::stop_playback(int wait)
{
- que->send_command(STOP, CHANGE_NONE, 0, 0);
+ transport_stop();
interrupt_playback(wait);
renderengine_lock->lock("PlaybackEngine::stop_playback");
if(render_engine)
}
-void PlaybackEngine::issue_command(EDL *edl, int command, int wait_tracking,
- int use_inout, int update_refresh, int toggle_audio, int loop_play)
+void PlaybackEngine::send_command(int command, EDL *edl, int wait_tracking, int use_inout)
{
-//printf("PlaybackEngine::issue_command 1 %d\n", command);
+//printf("PlaybackEngine::send_command 1 %d\n", command);
// Stop requires transferring the output buffer to a refresh buffer.
- int do_stop = 0, resume = 0;
- int prev_command = this->command->command;
- int prev_single_frame = this->command->single_frame();
- int prev_audio = this->command->audio_toggle ?
- !prev_single_frame : prev_single_frame;
- int cur_single_frame = TransportCommand::single_frame(command);
- int cur_audio = toggle_audio ?
- !cur_single_frame : cur_single_frame;
+ int do_stop = 0, do_resume = 0;
+ int curr_command = this->command->command;
+ int curr_single_frame = TransportCommand::single_frame(curr_command);
+ int curr_audio = this->command->toggle_audio ?
+ !curr_single_frame : curr_single_frame;
+ int single_frame = TransportCommand::single_frame(command);
+ int next_audio = next_command->toggle_audio ? !single_frame : single_frame;
// Dispatch command
- switch(command) {
+ switch( command ) {
case FAST_REWIND: // Commands that play back
case NORMAL_REWIND:
case SLOW_REWIND:
case FAST_FWD:
case CURRENT_FRAME:
case LAST_FRAME:
- if( !prev_single_frame &&
- prev_command == command &&
- cur_audio == prev_audio ) {
-// Same direction pressed twice and no change in audio state, Stop
+ if( curr_command == command && !next_command->speed &&
+ !curr_single_frame && curr_audio == next_audio ) {
+// Same direction pressed twice, not shuttle, and no change in audio state, Stop
do_stop = 1;
break;
}
// Resume or change direction
- switch( prev_command ) {
+ switch( curr_command ) {
default:
- que->send_command(STOP, CHANGE_NONE, 0, 0);
+ transport_stop();
interrupt_playback(wait_tracking);
- resume = 1;
+ do_resume = 1;
// fall through
case STOP:
case COMMAND_NONE:
case SINGLE_FRAME_REWIND:
case CURRENT_FRAME:
case LAST_FRAME:
+ next_command->realtime = 1;
+ next_command->resume = do_resume;
// Start from scratch
- que->send_command(command, CHANGE_NONE, edl,
- 1, resume, use_inout, toggle_audio, loop_play,
- mwindow->preferences->forward_render_displacement);
+ transport_command(command, CHANGE_NONE, edl, use_inout);
break;
}
break;
}
if( do_stop ) {
- que->send_command(STOP, CHANGE_NONE, 0, 0);
+ transport_stop();
interrupt_playback(wait_tracking);
}
}
+int PlaybackEngine::transport_stop()
+{
+ input_lock->lock("PlaybackEngine::transport_stop 1");
+ curr_command->copy_from(stop_command);
+ input_lock->unlock();
+ output_lock->unlock();
+ return 0;
+}
+
+int PlaybackEngine::transport_command(int command, int change_type, EDL *new_edl, int use_inout)
+{
+ input_lock->lock("PlaybackEngine::transport_command 1");
+ next_command->command = command;
+ next_command->change_type |= change_type;
+ 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.
+ switch( change_type ) {
+ case CHANGE_EDL:
+ case CHANGE_ALL:
+ next_command->get_edl()->copy_all(new_edl);
+ break;
+ case CHANGE_PARAMS:
+ next_command->get_edl()->synchronize_params(new_edl);
+ break;
+ }
+ next_command->set_playback_range(new_edl, use_inout,
+ preferences->forward_render_displacement);
+ }
+ curr_command->copy_from(next_command);
+ next_command->reset();
+ input_lock->unlock();
+ output_lock->unlock();
+ return 0;
+}
+
void PlaybackEngine::refresh_frame(int change_type, EDL *edl, int dir)
{
- que->send_command(dir >= 0 ? CURRENT_FRAME : LAST_FRAME,
- change_type, edl, 1);
+ int command = dir >= 0 ? CURRENT_FRAME : LAST_FRAME;
+ next_command->realtime = 1;
+ transport_command(command, change_type, edl);
}
projects / goodguy / cinelerra.git / blobdiff