diff options
Diffstat (limited to 'libs/ardour/process_thread.cc')
-rw-r--r-- | libs/ardour/process_thread.cc | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/libs/ardour/process_thread.cc b/libs/ardour/process_thread.cc index e10ccf160c..d4a3d2f390 100644 --- a/libs/ardour/process_thread.cc +++ b/libs/ardour/process_thread.cc @@ -90,7 +90,7 @@ ProcessThread::get_silent_buffers (ChanCount count) } BufferSet& -ProcessThread::get_scratch_buffers (ChanCount count) +ProcessThread::get_scratch_buffers (ChanCount count, bool silence) { ThreadBuffers* tb = _private_thread_buffers.get(); assert (tb); @@ -105,6 +105,41 @@ ProcessThread::get_scratch_buffers (ChanCount count) sb->set_count (sb->available()); } + if (silence) { + for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) { + for (uint32_t i = 0; i < sb->count().get(*t); ++i) { + sb->get(*t, i).clear(); + } + } + } + + return *sb; +} + +BufferSet& +ProcessThread::get_route_buffers (ChanCount count, bool silence) +{ + ThreadBuffers* tb = _private_thread_buffers.get(); + assert (tb); + + BufferSet* sb = tb->route_buffers; + assert (sb); + + if (count != ChanCount::ZERO) { + assert(sb->available() >= count); + sb->set_count (count); + } else { + sb->set_count (sb->available()); + } + + if (silence) { + for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) { + for (uint32_t i = 0; i < sb->count().get(*t); ++i) { + sb->get(*t, i).clear(); + } + } + } + return *sb; } |