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add Record-Safe feature to libardour (from Nikolay Polyanovskii)

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This commit is contained in:
Paul Davis 2015-06-16 08:44:03 -04:00
parent d65f03d074
commit 90220998af
13 changed files with 171 additions and 8 deletions
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21
libs/ardour/diskstream.cc
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@ -64,6 +64,7 @@ Diskstream::Diskstream (Session &sess, const string &name, Flag flag)
, i_am_the_modifier (0)
, _track (0)
, _record_enabled (0)
, _record_safe (0)
, _visible_speed (1.0f)
, _actual_speed (1.0f)
, _buffer_reallocation_required (false)
@ -102,6 +103,7 @@ Diskstream::Diskstream (Session& sess, const XMLNode& /*node*/)
, i_am_the_modifier (0)
, _track (0)
, _record_enabled (0)
, _record_safe (0)
, _visible_speed (1.0f)
, _actual_speed (1.0f)
, _buffer_reallocation_required (false)
@ -468,6 +470,7 @@ Diskstream::get_state ()
snprintf (buf, sizeof(buf), "%f", _visible_speed);
node->add_property ("speed", buf);
node->add_property ("capture-alignment", enum_2_string (_alignment_choice));
node->add_property ("record-safe", _record_safe ? "yes" : "no");
if (_extra_xml) {
node->add_child_copy (*_extra_xml);
@ -516,8 +519,12 @@ Diskstream::set_state (const XMLNode& node, int /*version*/)
non_realtime_set_speed ();
}
}
if ((prop = node.property ("record-safe")) != 0) {
_record_safe = PBD::string_is_affirmative (prop->value()) ? 1 : 0;
}
return 0;
return 0;
}
void
@ -769,6 +776,18 @@ Diskstream::disengage_record_enable ()
g_atomic_int_set (&_record_enabled, 0);
}
void
Diskstream::engage_record_safe ()
{
g_atomic_int_set (&_record_safe, 1);
}
void
Diskstream::disengage_record_safe ()
{
g_atomic_int_set (&_record_safe, 0);
}
framecnt_t
Diskstream::default_disk_read_chunk_frames()
{