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mcc_enc: Set buffer metadata for outgoing buffers

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Copies the metadata over from the input buffers
This commit is contained in:
Jordan Petridis 2019-02-05 18:48:50 +02:00
parent 02655a9dce
commit c4885c6aab
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GPG key ID: 902CC06D159744F5
2 changed files with 29 additions and 13 deletions
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9
gst-plugin-closedcaption/src/mcc_enc.rs
View file

@ -393,9 +393,14 @@ impl MccEnc {
}
self.generate_caption(element, &*state, &buffer, &mut outbuf)?;
drop(state);
self.srcpad.push(gst::Buffer::from_mut_slice(outbuf))
let mut buf = gst::Buffer::from_mut_slice(outbuf);
buffer
.copy_into(buf.get_mut().unwrap(), *gst::BUFFER_COPY_METADATA, 0, None)
.expect("Failed to copy buffer metadata");
drop(state);
self.srcpad.push(buf)
}
fn sink_event(&self, pad: &gst::Pad, element: &gst::Element, event: gst::Event) -> bool {

33
gst-plugin-closedcaption/tests/mcc_enc.rs
View file

@ -106,21 +106,23 @@ Time Code Rate=30DF\r\n\
"closedcaption/x-cea-708, format=(string)cdp, framerate=(fraction)30000/1001",
);
let tc = gst_video::ValidVideoTimeCode::new(
gst::Fraction::new(30000, 1001),
None,
gst_video::VideoTimeCodeFlags::DROP_FRAME,
11,
12,
13,
14,
0,
)
.unwrap();
let buf = {
let mut buf = gst::Buffer::from_mut_slice(Vec::from(&input[..]));
let buf_ref = buf.get_mut().unwrap();
let tc = gst_video::ValidVideoTimeCode::new(
gst::Fraction::new(30000, 1001),
None,
gst_video::VideoTimeCodeFlags::DROP_FRAME,
11,
12,
13,
14,
0,
)
.unwrap();
gst_video::VideoTimeCodeMeta::add(buf_ref, &tc);
buf_ref.set_pts(gst::ClockTime::from_seconds(0));
buf
};
@ -128,6 +130,15 @@ Time Code Rate=30DF\r\n\
h.push_event(gst::Event::new_eos().build());
let buf = h.pull().expect("Couldn't pull buffer");
let timecode = buf
.get_meta::<gst_video::VideoTimeCodeMeta>()
.expect("No timecode for buffer")
.get_tc();
assert_eq!(timecode, tc);
let pts = buf.get_pts();
assert_eq!(pts, gst::ClockTime::from_seconds(0));
let map = buf.map_readable().expect("Couldn't map buffer readable");
assert_eq!(
std::str::from_utf8(map.as_ref()),