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sccparse: Fix leading spaces between the tab and caption data
CCExtractor is creating files like this. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/merge_requests/1378>
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1 changed files with 3 additions and 2 deletions
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@ -111,6 +111,7 @@ fn scc_payload(s: &[u8]) -> IResult<&[u8], Vec<u8>> {
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/// Parser for a SCC caption line in the form `timecode\tpayload`.
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/// Parser for a SCC caption line in the form `timecode\tpayload`.
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fn caption(s: &[u8]) -> IResult<&[u8], SccLine> {
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fn caption(s: &[u8]) -> IResult<&[u8], SccLine> {
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use nom::bytes::complete::tag;
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use nom::bytes::complete::tag;
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use nom::character::complete::multispace0;
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use nom::combinator::map;
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use nom::combinator::map;
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use nom::error::context;
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use nom::error::context;
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use nom::sequence::tuple;
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use nom::sequence::tuple;
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@ -118,8 +119,8 @@ fn caption(s: &[u8]) -> IResult<&[u8], SccLine> {
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context(
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context(
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"invalid SCC caption line",
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"invalid SCC caption line",
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map(
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map(
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tuple((timecode, tag("\t"), scc_payload, end_of_line)),
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tuple((timecode, tag("\t"), multispace0, scc_payload, end_of_line)),
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|(tc, _, value, _)| SccLine::Caption(tc, value),
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|(tc, _, _, value, _)| SccLine::Caption(tc, value),
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),
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),
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)(s)
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)(s)
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}
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}
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