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cea608tocea708: Fix SMPTE 334-1a field flag usage

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If the flag is set then this is field 0, otherwise it is field 1. The
code had this inverted. See also cece286fe8.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/2074>
This commit is contained in:
Sebastian Dröge 2025-02-13 20:52:05 +02:00 committed by GStreamer Marge Bot
parent 03b7e8ccdd
commit 5256f1e00c
1 changed files with 3 additions and 3 deletions
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6
video/closedcaption/src/cea608tocea708/imp.rs
View file

@ -530,7 +530,7 @@ impl Cea608ToCea708 {
return Ok(gst::FlowSuccess::Ok);
}
for triple in data.chunks_exact(3) {
let field = (triple[0] & 0x80) >> 7;
let field = if (triple[0] & 0x80) > 0 { 0 } else { 1 };
state.handle_cc_data(self, field, [triple[1], triple[2]]);
}
data.to_vec()
@ -561,9 +561,9 @@ impl Cea608ToCea708 {
for pair in data.chunks_exact(2) {
state.handle_cc_data(self, field, [pair[0], pair[1]]);
if field == 0 {
s334_1a_data.push(0x00);
} else {
s334_1a_data.push(0x80);
} else {
s334_1a_data.push(0x00);
}
s334_1a_data.push(pair[0]);
s334_1a_data.push(pair[1]);