#include "bchash.h"
#include "bcsignals.h"
#include "cache.h"
+#include "canvas.h"
#include "condition.h"
#include "edl.h"
#include "edlsession.h"
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;
+ stop_command = new TransportCommand();
+ stop_command->command = STOP;
+ 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");
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);
- interrupt_playback();
-
+ output_lock->unlock();
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 stop_command;
+ delete sent_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::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();
}
}
void PlaybackEngine::perform_change()
{
- switch(command->change_type)
- {
+ switch( command->change_type ) {
case CHANGE_ALL:
create_cache();
case CHANGE_EDL:
create_render_engine();
+ break;
case CHANGE_PARAMS:
- if(command->change_type != CHANGE_EDL &&
- (uint32_t)command->change_type != CHANGE_ALL)
- render_engine->get_edl()->synchronize_params(command->get_edl());
+ render_engine->get_edl()->synchronize_params(command->get_edl());
case CHANGE_NONE:
break;
}
{
// 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
// 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");
- wait_render_engine();
-
+ output_lock->lock("PlaybackEngine::run");
+ if( done ) break;
// 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();
-//printf("PlaybackEngine::run 1 %d\n", command->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();
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();
arm_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;
}
-
-
//printf("PlaybackEngine::run 100\n");
}
}
+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)
+void PlaybackEngine::stop_playback(int wait_tracking)
{
- que->send_command(STOP, CHANGE_NONE, 0, 0);
- interrupt_playback(wait);
+ 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();
}
-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;
+ 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) {
+ 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
- do_stop = 1;
- break;
- }
+// 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
+ if( curr_command == command && !curr_single_frame &&
+ curr_audio == next_audio ) { do_stop = 1; break; }
+
// Resume or change direction
- switch( prev_command ) {
+ switch( curr_command ) {
default:
- que->send_command(STOP, CHANGE_NONE, 0, 0);
- interrupt_playback(wait_tracking);
- resume = 1;
+ transport_stop(0);
+ next_command->resume = 1;
// fall through
case STOP:
case COMMAND_NONE:
case SINGLE_FRAME_REWIND:
case CURRENT_FRAME:
case LAST_FRAME:
+ next_command->realtime = 1;
// 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);
- interrupt_playback(wait_tracking);
+ transport_stop(wait_tracking);
+ }
+}
+
+int PlaybackEngine::put_command(TransportCommand *command, int reset)
+{
+ 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();
}
+//printf("send: %d (STOP) 0\n", STOP);
+ return 0;
+}
+
+int PlaybackEngine::transport_command(int command, int change_type, EDL *new_edl, int use_inout)
+{
+ 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.
+ if( change_type & CHANGE_EDL )
+ next_command->get_edl()->copy_all(new_edl);
+ else if( change_type & CHANGE_PARAMS )
+ next_command->get_edl()->synchronize_params(new_edl);
+ next_command->set_playback_range(new_edl, use_inout,
+ preferences->forward_render_displacement);
+ }
+ 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",
+// "LAST_FRAME" };
+//printf("send= %d (%s) %d\n", sent_command->command,
+// types[sent_command->command], sent_command->locked);
+ 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