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fallbackswitch: Move health checks to the OutputState.

Browse source 
Move some code to the OutputState from the fallbackswitch
struct to make things a bit cleaner.
This commit is contained in:
Jan Schmidt 2020-12-11 23:19:56 +11:00 committed by Sebastian Dröge
parent 74f3de5674
commit 34a2dd80a2
1 changed files with 72 additions and 81 deletions
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153
utils/fallbackswitch/src/fallbackswitch/imp.rs
View file

@ -173,6 +173,64 @@ static PROPERTIES: [subclass::Property; 5] = [
}),
];
impl OutputState {
fn get_health(
&self,
settings: &Settings,
check_primary_pad: bool,
cur_running_time: gst::ClockTime,
) -> StreamHealth {
let last_sinkpad_time = if check_primary_pad {
self.primary.last_sinkpad_time
} else {
self.fallback.last_sinkpad_time
};
if last_sinkpad_time == gst::ClockTime::none() {
StreamHealth::Inactive
} else if cur_running_time != gst::ClockTime::none()
&& cur_running_time < last_sinkpad_time + settings.timeout
{
StreamHealth::Present
} else {
StreamHealth::Inactive
}
}
fn check_health_changes(
&mut self,
settings: &Settings,
backup_pad: &Option<&gst_base::AggregatorPad>,
preferred_is_primary: bool,
cur_running_time: gst::ClockTime,
) -> (bool, bool) {
let preferred_health = self.get_health(settings, preferred_is_primary, cur_running_time);
let backup_health = if backup_pad.is_some() {
self.get_health(settings, !preferred_is_primary, cur_running_time)
} else {
StreamHealth::Inactive
};
if preferred_is_primary {
let primary_changed = preferred_health != self.primary.stream_health;
let fallback_changed = backup_health != self.fallback.stream_health;
self.primary.stream_health = preferred_health;
self.fallback.stream_health = backup_health;
(primary_changed, fallback_changed)
} else {
let primary_changed = backup_health != self.primary.stream_health;
let fallback_changed = preferred_health != self.fallback.stream_health;
self.primary.stream_health = backup_health;
self.fallback.stream_health = preferred_health;
(primary_changed, fallback_changed)
}
}
}
impl FallbackSwitch {
fn drain_pad_to_time(
&self,
@ -216,66 +274,6 @@ impl FallbackSwitch {
Ok(())
}
fn get_health(
&self,
state: &OutputState,
settings: &Settings,
pad: &gst_base::AggregatorPad,
cur_running_time: gst::ClockTime,
) -> StreamHealth {
let last_sinkpad_time = if pad == &self.primary_sinkpad {
state.primary.last_sinkpad_time
} else {
state.fallback.last_sinkpad_time
};
if last_sinkpad_time == gst::ClockTime::none() {
StreamHealth::Inactive
} else if cur_running_time != gst::ClockTime::none()
&& cur_running_time < last_sinkpad_time + settings.timeout
{
StreamHealth::Present
} else {
StreamHealth::Inactive
}
}
fn check_health_changes(
&self,
state: &mut OutputState,
settings: &Settings,
preferred_pad: &gst_base::AggregatorPad,
backup_pad: &Option<&gst_base::AggregatorPad>,
cur_running_time: gst::ClockTime,
) -> (bool, bool) {
let preferred_is_primary = preferred_pad == &self.primary_sinkpad;
let preferred_health = self.get_health(state, settings, preferred_pad, cur_running_time);
let backup_health = if let Some(pad) = backup_pad {
self.get_health(state, settings, pad, cur_running_time)
} else {
StreamHealth::Inactive
};
if preferred_is_primary {
let primary_changed = preferred_health != state.primary.stream_health;
let fallback_changed = backup_health != state.fallback.stream_health;
state.primary.stream_health = preferred_health;
state.fallback.stream_health = backup_health;
(primary_changed, fallback_changed)
} else {
let primary_changed = backup_health != state.primary.stream_health;
let fallback_changed = preferred_health != state.fallback.stream_health;
state.primary.stream_health = backup_health;
state.fallback.stream_health = preferred_health;
(primary_changed, fallback_changed)
}
}
#[allow(clippy::too_many_arguments)]
fn handle_main_buffer(
&self,
@ -580,11 +578,10 @@ impl FallbackSwitch {
Ok(Some(res)) => {
return (
Ok(res),
self.check_health_changes(
&mut *state,
state.check_health_changes(
&settings,
preferred_pad,
&backup_pad,
prefer_primary,
cur_running_time,
),
)
@ -592,11 +589,10 @@ impl FallbackSwitch {
Err(e) => {
return (
Err(e),
self.check_health_changes(
&mut *state,
state.check_health_changes(
&settings,
preferred_pad,
&backup_pad,
prefer_primary,
cur_running_time,
),
)
@ -617,11 +613,10 @@ impl FallbackSwitch {
) {
return (
Err(e),
self.check_health_changes(
&mut *state,
state.check_health_changes(
&settings,
preferred_pad,
&Some(backup_pad),
prefer_primary,
cur_running_time,
),
);
@ -630,11 +625,10 @@ impl FallbackSwitch {
return (
Err(gst_base::AGGREGATOR_FLOW_NEED_DATA),
self.check_health_changes(
&mut *state,
state.check_health_changes(
&settings,
preferred_pad,
&backup_pad,
prefer_primary,
cur_running_time,
),
);
@ -644,22 +638,20 @@ impl FallbackSwitch {
gst_debug!(CAT, obj: agg, "Have fallback sinkpad but no timeout yet");
(
Err(gst_base::AGGREGATOR_FLOW_NEED_DATA),
self.check_health_changes(
&mut *state,
state.check_health_changes(
&settings,
preferred_pad,
&Some(backup_pad),
prefer_primary,
cur_running_time,
),
)
} else if let (true, Some(backup_pad)) = (timeout, &backup_pad) {
(
self.get_backup_buffer(agg, &mut *state, &settings, backup_pad),
self.check_health_changes(
&mut *state,
state.check_health_changes(
&settings,
preferred_pad,
&Some(backup_pad),
prefer_primary,
cur_running_time,
),
)
@ -672,11 +664,10 @@ impl FallbackSwitch {
);
(
Err(gst_base::AGGREGATOR_FLOW_NEED_DATA),
self.check_health_changes(
&mut *state,
state.check_health_changes(
&settings,
preferred_pad,
&backup_pad,
prefer_primary,
cur_running_time,
),
)