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Commented unused seek

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This commit is contained in:
Daniel Vilar 2018-04-12 16:54:36 +02:00
parent 2aed66ba0f
commit b0f9b7fae9
1 changed files with 106 additions and 106 deletions
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212
gst-plugin-ndi/src/ndisrc.rs
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@ -666,114 +666,114 @@ impl BaseSrcImpl<BaseSrc> for NdiSrc {
}
fn is_seekable(&self, _element: &BaseSrc) -> bool {
true
false
}
fn do_seek(&self, element: &BaseSrc, segment: &mut gst::Segment) -> bool {
// Handle seeking here. For Time and Default (sample offset) seeks we can
// do something and have to update our sample offset and accumulator accordingly.
//
// Also we should remember the stop time (so we can stop at that point), and if
// reverse playback is requested. These values will all be used during buffer creation
// and for calculating the timestamps, etc.
if segment.get_rate() < 0.0 {
gst_error!(self.cat, obj: element, "Reverse playback not supported");
return false;
}
let settings = *self.settings.lock().unwrap();
let mut state = self.state.lock().unwrap();
// We store sample_offset and sample_stop in nanoseconds if we
// don't know any sample rate yet. It will be converted correctly
// once a sample rate is known.
let rate = match state.info {
None => gst::SECOND_VAL,
Some(ref info) => info.rate() as u64,
};
if let Some(segment) = segment.downcast_ref::<gst::format::Time>() {
use std::f64::consts::PI;
let sample_offset = segment
.get_start()
.unwrap()
.mul_div_floor(rate, gst::SECOND_VAL)
.unwrap();
let sample_stop = segment
.get_stop()
.map(|v| v.mul_div_floor(rate, gst::SECOND_VAL).unwrap());
let accumulator =
(sample_offset as f64).rem(2.0 * PI * (settings.freq as f64) / (rate as f64));
gst_debug!(
self.cat,
obj: element,
"Seeked to {}-{:?} (accum: {}) for segment {:?}",
sample_offset,
sample_stop,
accumulator,
segment
);
*state = State {
info: state.info.clone(),
sample_offset: sample_offset,
sample_stop: sample_stop,
accumulator: accumulator,
};
true
} else if let Some(segment) = segment.downcast_ref::<gst::format::Default>() {
use std::f64::consts::PI;
if state.info.is_none() {
gst_error!(
self.cat,
obj: element,
"Can only seek in Default format if sample rate is known"
);
return false;
}
let sample_offset = segment.get_start().unwrap();
let sample_stop = segment.get_stop().0;
let accumulator =
(sample_offset as f64).rem(2.0 * PI * (settings.freq as f64) / (rate as f64));
gst_debug!(
self.cat,
obj: element,
"Seeked to {}-{:?} (accum: {}) for segment {:?}",
sample_offset,
sample_stop,
accumulator,
segment
);
*state = State {
info: state.info.clone(),
sample_offset: sample_offset,
sample_stop: sample_stop,
accumulator: accumulator,
};
true
} else {
gst_error!(
self.cat,
obj: element,
"Can't seek in format {:?}",
segment.get_format()
);
false
}
}
// fn do_seek(&self, element: &BaseSrc, segment: &mut gst::Segment) -> bool {
// // Handle seeking here. For Time and Default (sample offset) seeks we can
// // do something and have to update our sample offset and accumulator accordingly.
// //
// // Also we should remember the stop time (so we can stop at that point), and if
// // reverse playback is requested. These values will all be used during buffer creation
// // and for calculating the timestamps, etc.
//
// if segment.get_rate() < 0.0 {
// gst_error!(self.cat, obj: element, "Reverse playback not supported");
// return false;
// }
//
// let settings = *self.settings.lock().unwrap();
// let mut state = self.state.lock().unwrap();
//
// // We store sample_offset and sample_stop in nanoseconds if we
// // don't know any sample rate yet. It will be converted correctly
// // once a sample rate is known.
// let rate = match state.info {
// None => gst::SECOND_VAL,
// Some(ref info) => info.rate() as u64,
// };
//
// if let Some(segment) = segment.downcast_ref::<gst::format::Time>() {
// use std::f64::consts::PI;
//
// let sample_offset = segment
// .get_start()
// .unwrap()
// .mul_div_floor(rate, gst::SECOND_VAL)
// .unwrap();
//
// let sample_stop = segment
// .get_stop()
// .map(|v| v.mul_div_floor(rate, gst::SECOND_VAL).unwrap());
//
// let accumulator =
// (sample_offset as f64).rem(2.0 * PI * (settings.freq as f64) / (rate as f64));
//
// gst_debug!(
// self.cat,
// obj: element,
// "Seeked to {}-{:?} (accum: {}) for segment {:?}",
// sample_offset,
// sample_stop,
// accumulator,
// segment
// );
//
// *state = State {
// info: state.info.clone(),
// sample_offset: sample_offset,
// sample_stop: sample_stop,
// accumulator: accumulator,
// };
//
// true
// } else if let Some(segment) = segment.downcast_ref::<gst::format::Default>() {
// use std::f64::consts::PI;
//
// if state.info.is_none() {
// gst_error!(
// self.cat,
// obj: element,
// "Can only seek in Default format if sample rate is known"
// );
// return false;
// }
//
// let sample_offset = segment.get_start().unwrap();
// let sample_stop = segment.get_stop().0;
//
// let accumulator =
// (sample_offset as f64).rem(2.0 * PI * (settings.freq as f64) / (rate as f64));
//
// gst_debug!(
// self.cat,
// obj: element,
// "Seeked to {}-{:?} (accum: {}) for segment {:?}",
// sample_offset,
// sample_stop,
// accumulator,
// segment
// );
//
// *state = State {
// info: state.info.clone(),
// sample_offset: sample_offset,
// sample_stop: sample_stop,
// accumulator: accumulator,
// };
//
// true
// } else {
// gst_error!(
// self.cat,
// obj: element,
// "Can't seek in format {:?}",
// segment.get_format()
// );
//
// false
// }
// }
fn unlock(&self, element: &BaseSrc) -> bool {
// This should unblock the create() function ASAP, so we