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Tweak latency reporting/compensation.

This commit is contained in:
Jonathan Moore Liles 2013-09-12 00:07:18 -07:00
parent 758f7b86b4
commit 9b634cf001
6 changed files with 88 additions and 49 deletions
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43
mixer/src/Chain.C
View File

@ -399,24 +399,57 @@ Chain::configure_ports ( void )
void
Chain::set_latency ( JACK::Port::direction_e dir )
{
nframes_t total_latency = 0;
nframes_t tmax = 0;
nframes_t tmin = 0;
nframes_t added = 0;
if ( dir == JACK::Port::Input )
{
for ( int i = 0; i < modules(); ++i )
{
Module *m = module( i );
total_latency += m->get_latency( dir );
m->set_latency( dir, total_latency );
nframes_t min,max;
/* added = m->get_latency( JACK::Port::Input, &min, &max ); */
added += m->get_latency( JACK::Port::Input, &min, &max );
min += added;
max += added;
if ( min > tmin )
tmin = min;
if ( max > tmax )
tmax = max;
m->set_latency( dir, tmin, tmax );
}
}
else
{
tmin = JACK_MAX_FRAMES >> 1;
for ( int i = modules(); i--; )
{
Module *m = module( i );
total_latency += m->get_latency( dir );
m->set_latency( dir, total_latency );
nframes_t min,max;
added += m->get_latency( JACK::Port::Output, &min, &max );
min += added;
max += added;
if ( min < tmin )
tmin = min;
if ( max > tmax )
tmax = max;
DMESSAGE( "Chain %s/%s: setting %s latency minimum to %lu", name(),
m->name(),
dir == JACK::Port::Input ? "Capture" : "Playback",
(unsigned long)tmin);
m->set_latency( dir, tmin, tmax );
}
}
}

59
mixer/src/Module.C
View File

@ -1157,9 +1157,9 @@ Module::auto_disconnect_outputs ( void )
}
nframes_t
Module::get_latency ( JACK::Port::direction_e dir ) const
Module::get_latency ( JACK::Port::direction_e dir, nframes_t *min, nframes_t *max ) const
{
nframes_t tmin = 0;
nframes_t tmin = JACK_MAX_FRAMES >> 1;
nframes_t tmax = 0;
if ( dir == JACK::Port::Input )
@ -1168,21 +1168,23 @@ Module::get_latency ( JACK::Port::direction_e dir ) const
{
for ( unsigned int i = 0; i < aux_audio_input.size(); i++ )
{
/* if ( ! aux_audio_input[i].jack_port()->connected() ) */
/* continue; */
nframes_t min,max;
aux_audio_input[i].jack_port()->get_latency( dir, &min, &max );
tmin += min;
tmax += max;
if ( min < tmin )
tmin = min;
if ( max > tmax )
tmax = max;
}
tmin /= aux_audio_input.size();
tmax /= aux_audio_input.size();
}
return tmin;
/* for ( unsigned int i = 0; i < aux_audio_output.size(); i++ ) */
/* aux_audio_output[i].set_latency( dir, tmin, tmax ); */
else
{
tmin = 0;
}
}
else
{
@ -1190,38 +1192,39 @@ Module::get_latency ( JACK::Port::direction_e dir ) const
{
for ( unsigned int i = 0; i < aux_audio_output.size(); i++ )
{
/* if ( ! aux_audio_output[i].jack_port()->connected() ) */
/* continue; */
nframes_t min,max;
aux_audio_output[i].jack_port()->get_latency( dir, &min, &max );
tmin += min;
tmax += max;
if ( min < tmin )
tmin = min;
if ( max > tmax )
tmax = max;
}
tmin /= aux_audio_output.size();
tmax /= aux_audio_output.size();
}
return tmin;
/* for ( unsigned int i = 0; i < aux_audio_output.size(); i++ ) */
/* aux_audio_output[i].set_latency( dir, tmin, tmax ); */
}
*min = tmin;
*max = tmax;
return 0;
}
void
Module::set_latency ( JACK::Port::direction_e dir, nframes_t latency )
Module::set_latency ( JACK::Port::direction_e dir, nframes_t min, nframes_t max )
{
if ( dir == JACK::Port::Input )
if ( dir == JACK::Port::Output )
{
for ( unsigned int i = 0; i < aux_audio_output.size(); i++ )
aux_audio_output[i].jack_port()->set_latency( dir, latency, latency );
for ( unsigned int i = 0; i < aux_audio_input.size(); i++ )
aux_audio_input[i].jack_port()->set_latency( dir, min, max );
}
else
{
for ( unsigned int i = 0; i < aux_audio_input.size(); i++ )
aux_audio_input[i].jack_port()->set_latency( dir, latency, latency );
for ( unsigned int i = 0; i < aux_audio_output.size(); i++ )
aux_audio_output[i].jack_port()->set_latency( dir, min, max );
}
}

4
mixer/src/Module.H
View File

@ -72,8 +72,8 @@ protected:
public:
virtual nframes_t get_latency ( JACK::Port::direction_e dir ) const;
virtual void set_latency ( JACK::Port::direction_e dir, nframes_t latency );
virtual nframes_t get_latency ( JACK::Port::direction_e dir, nframes_t *min, nframes_t *max ) const;
virtual void set_latency ( JACK::Port::direction_e dir, nframes_t min, nframes_t max );
/* true if this module was added by default and not under normal user control */
bool is_default ( void ) const { return _is_default; }

9
mixer/src/Plugin_Module.C
View File

@ -420,15 +420,12 @@ Plugin_Module::get_plugin_latency ( void ) const
return 0;
}
nframes_t
Plugin_Module::get_latency ( JACK::Port::direction_e dir ) const
Plugin_Module::get_latency ( JACK::Port::direction_e dir, nframes_t *min, nframes_t *max ) const
{
nframes_t latency = Module::get_latency( dir );
Module::get_latency( dir, min, max );
latency += get_plugin_latency();
return latency;
return get_plugin_latency();
}
bool

4
mixer/src/Plugin_Module.H
View File

@ -67,7 +67,7 @@ private:
volatile nframes_t _latency;
nframes_t _last_latency;
nframes_t get_plugin_latency ( void ) const;
void init ( void );
@ -112,7 +112,7 @@ private:
public:
virtual void update ( void );
virtual nframes_t get_latency ( JACK::Port::direction_e dir ) const;
virtual nframes_t get_latency ( JACK::Port::direction_e dir, nframes_t *min, nframes_t *max ) const;
static std::list<Plugin_Info> get_all_plugins ( void );

18
timeline/src/Engine/Track.C
View File

@ -312,18 +312,20 @@ Track::record ( Capture *c, nframes_t frame )
{
/* in freewheeling mode, assume we're bouncing and only
* compensate for capture latency */
_capture_offset = min;
_capture_offset = max;
}
else
{
/* not freewheeling, so assume we're overdubbing and need to
* compensate for both capture and playback latency */
_capture_offset = min;
_capture_offset = max;
/* since the track output might not be connected to
* anything, just get the playback latency */
_capture_offset += engine->playback_latency();
/* When playback latency compensation is enabled, this will
* have already been done. */
if ( ! Timeline::playback_latency_compensation )
_capture_offset += engine->playback_latency();
}
}
@ -371,9 +373,13 @@ Track::compute_latency_compensation ( void )
nframes_t min,max;
output[0].get_latency( JACK::Port::Output, &min, &max );
DMESSAGE( "Track %s, setting undelay to %lu", name(), (unsigned long)min);
DMESSAGE( "Track %s, setting undelay to %lu", name(), (unsigned long)max);
char s[256];
snprintf( s, sizeof(s), "Latency Comp: -%lu", (unsigned long)max);
copy_tooltip(s);
undelay( min );
undelay( max );
}
else
{