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add new Session method to return the worst_latency_preroll() value rounded up to the nearest buffer size

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This commit is contained in:
Paul Davis 2019-12-27 21:11:38 -07:00
parent ca36d7cc2f
commit 5cdeb2401f
2 changed files with 7 additions and 0 deletions
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1
libs/ardour/ardour/session.h
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@ -504,6 +504,7 @@ public:
samplecnt_t worst_input_latency () const { return _worst_input_latency; } samplecnt_t worst_input_latency () const { return _worst_input_latency; }
samplecnt_t worst_route_latency () const { return _worst_route_latency; } samplecnt_t worst_route_latency () const { return _worst_route_latency; }
samplecnt_t worst_latency_preroll () const; samplecnt_t worst_latency_preroll () const;
samplecnt_t worst_latency_preroll_buffer_size_ceil () const;
PBD::Signal0<void> LatencyUpdated; PBD::Signal0<void> LatencyUpdated;

6
libs/ardour/session_transport.cc
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@ -1675,6 +1675,12 @@ Session::worst_latency_preroll () const
return _worst_output_latency + _worst_input_latency; return _worst_output_latency + _worst_input_latency;
} }
samplecnt_t
Session::worst_latency_preroll_buffer_size_ceil () const
{
return lrintf (ceil ((_worst_output_latency + _worst_input_latency) / (float) current_block_size) * current_block_size);
}
void void
Session::unset_play_range () Session::unset_play_range ()
{ {