#include "bchash.h"
#include "bcsignals.h"
#include "cache.h"
+#include "canvas.h"
#include "condition.h"
#include "edl.h"
#include "edlsession.h"
stop_command->realtime = 1;
sent_command = new TransportCommand();
sent_command->command = -1;
+ send_active = 0;
tracking_lock = new Mutex("PlaybackEngine::tracking_lock");
renderengine_lock = new Mutex("PlaybackEngine::renderengine_lock");
tracking_done = new Condition(1, "PlaybackEngine::tracking_done");
void PlaybackEngine::delete_render_engine()
{
renderengine_lock->lock("PlaybackEngine::delete_render_engine");
- delete render_engine;
- render_engine = 0;
+ delete render_engine; render_engine = 0;
renderengine_lock->unlock();
}
void PlaybackEngine::arm_render_engine()
{
- if(render_engine)
+ if( render_engine )
render_engine->arm_command(command);
}
void PlaybackEngine::start_render_engine()
{
- if(render_engine) render_engine->start_command();
+ if( render_engine )
+ render_engine->start_command();
}
void PlaybackEngine::wait_render_engine()
{
- if(command->realtime && render_engine)
- {
+ if( command->realtime && render_engine ) {
render_engine->join();
}
}
{
// TODO: lock out render engine from keyframe deletions
command->get_edl()->synchronize_params(edl);
- if(render_engine) render_engine->get_edl()->synchronize_params(edl);
+ if( render_engine )
+ render_engine->get_edl()->synchronize_params(edl);
}
-
void PlaybackEngine::interrupt_playback(int wait_tracking)
{
renderengine_lock->lock("PlaybackEngine::interrupt_playback");
- if(render_engine)
+ if( render_engine )
render_engine->interrupt_playback();
renderengine_lock->unlock();
pause_lock->unlock();
// Wait for tracking to finish if it is running
- if(wait_tracking)
- {
+ if( wait_tracking ) {
tracking_done->lock("PlaybackEngine::interrupt_playback");
tracking_done->unlock();
}
}
-
// Return 1 if levels exist
int PlaybackEngine::get_output_levels(double *levels, long position)
{
int result = 0;
- if(render_engine && render_engine->do_audio)
- {
- result = 1;
+ if( render_engine && render_engine->do_audio ) {
render_engine->get_output_levels(levels, position);
+ result = 1;
}
return result;
}
int PlaybackEngine::get_module_levels(ArrayList<double> *module_levels, long position)
{
int result = 0;
- if(render_engine && render_engine->do_audio)
- {
- result = 1;
+ if( render_engine && render_engine->do_audio ) {
render_engine->get_module_levels(module_levels, position);
+ result = 1;
}
return result;
}
// Don't interpolate when every frame is played.
- if(command->get_edl()->session->video_every_frame &&
- render_engine &&
- render_engine->do_video)
- {
+ if( command->get_edl()->session->video_every_frame &&
+ render_engine && render_engine->do_video ) {
result = tracking_position;
}
else
// Wait for current command to finish
output_lock->lock("PlaybackEngine::run");
if( done ) break;
-//printf("sent command=%d\n", sent_command->command);
// Read the new command
+ input_lock->lock("PlaybackEngine::run");
command->copy_from(sent_command);
+//printf("sent command=%d\n", sent_command->command);
+ int active = this->send_active;
+ this->send_active = 0;
input_lock->unlock();
+ if( !active ) continue;
interrupt_playback(0);
wait_render_engine();
// Start tracking after arming so the tracking position doesn't change.
// The tracking for a single frame command occurs during PAUSE
init_tracking();
-
+ clear_output();
// Dispatch the command
start_render_engine();
break;
}
}
+void PlaybackEngine::clear_output()
+{
+ BC_WindowBase *cwdw = output->get_canvas();
+ if( !cwdw ) return;
+ cwdw->lock_window("PlaybackEngine::clear_output");
+ output->clear();
+ cwdw->unlock_window();
+}
void PlaybackEngine::stop_playback(int wait_tracking)
{
transport_stop(wait_tracking);
renderengine_lock->lock("PlaybackEngine::stop_playback");
- if(render_engine)
+ if( render_engine ) {
+ render_engine->interrupt_playback();
render_engine->wait_done();
+ }
renderengine_lock->unlock();
}
{
//printf("PlaybackEngine::send_command 1 %d\n", command);
// Stop requires transferring the output buffer to a refresh buffer.
- int do_stop = 0, do_resume = 0;
- int curr_command = this->command->command;
+ int do_stop = 0;
+ int curr_command = is_playing_back ? this->command->command : STOP;
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;
+ float next_speed = next_command->speed;
// Dispatch command
switch( command ) {
case FAST_FWD:
case CURRENT_FRAME:
case LAST_FRAME:
- if( curr_command == command && !next_command->speed &&
- !curr_single_frame && curr_audio == next_audio ) {
+// run shuttle as no prev command
+ if( next_speed ) curr_command = COMMAND_NONE;
// Same direction pressed twice, not shuttle, and no change in audio state, Stop
- do_stop = 1;
- break;
- }
+ if( curr_command == command && !curr_single_frame &&
+ curr_audio == next_audio ) { do_stop = 1; break; }
+
// Resume or change direction
switch( curr_command ) {
default:
transport_stop(0);
- do_resume = 1;
+ next_command->resume = 1;
// fall through
case STOP:
case COMMAND_NONE:
case CURRENT_FRAME:
case LAST_FRAME:
next_command->realtime = 1;
- next_command->resume = do_resume;
// Start from scratch
transport_command(command, CHANGE_NONE, edl, use_inout);
break;
}
}
-int PlaybackEngine::transport_stop(int wait_tracking)
+int PlaybackEngine::put_command(TransportCommand *command, int reset)
{
- interrupt_playback(0);
- input_lock->lock("PlaybackEngine::transport_stop");
- sent_command->copy_from(stop_command);
+ input_lock->lock("PlaybackEngine::put_command");
+ int prev_change_type = sent_command->change_type;
+ sent_command->copy_from(command);
+// run only last command, sum change type
+ if( send_active )
+ sent_command->change_type |= prev_change_type;
+ send_active = 1;
+ if( reset ) command->reset();
output_lock->unlock();
+ input_lock->unlock();
+ return 0;
+}
+
+int PlaybackEngine::transport_stop(int wait_tracking)
+{
+ put_command(stop_command, 0);
if( wait_tracking ) {
tracking_done->lock("PlaybackEngine::transport_stop");
tracking_done->unlock();
// 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:
+ if( change_type & CHANGE_EDL )
next_command->get_edl()->copy_all(new_edl);
- break;
- case CHANGE_PARAMS:
+ else if( change_type & CHANGE_PARAMS )
next_command->get_edl()->synchronize_params(new_edl);
- break;
- }
next_command->set_playback_range(new_edl, use_inout,
preferences->forward_render_displacement);
}
-
- interrupt_playback(0);
- input_lock->lock("PlaybackEngine::transport_command");
- sent_command->copy_from(next_command);
- next_command->reset();
- output_lock->unlock();
-
+ put_command(next_command, 1);
//static const char *types[] = { "NONE",
// "FRAME_FWD", "NORMAL_FWD", "FAST_FWD", "FRAME_REV", "NORMAL_REV", "FAST_REV",
// "STOP", "PAUSE", "SLOW_FWD", "SLOW_REV", "REWIND", "GOTO_END", "CURRENT_FRAME",
projects / goodguy / cinelerra.git / blobdiff