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fallbackswitch: Document return parameters for get_next_buffer()

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The return type for get_next_buffer() is quite complex, so add some
comments about what is what.
This commit is contained in:
Jan Schmidt 2020-12-11 23:44:53 +11:00 committed by Sebastian Dröge
parent fddf33d339
commit f57ce41e89
1 changed files with 12 additions and 2 deletions
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14
utils/fallbackswitch/src/fallbackswitch/imp.rs
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@ -531,8 +531,18 @@ impl FallbackSwitch {
agg: &super::FallbackSwitch,
timeout: bool,
) -> (
Result<(gst::Buffer, gst::Caps, bool), gst::FlowError>,
(bool, bool),
Result<
(
gst::Buffer, // Next buffer from the chosen pad
gst::Caps, // Caps for the buffer
bool, // If the input pad changed to/from primary<->fallback
),
gst::FlowError,
>,
(
bool, // If the health of the primary pad changed
bool, // If the health of the fallback pad changed
),
) {
let settings = self.settings.lock().unwrap().clone();
let mut state = self.output_state.lock().unwrap();