mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-12-01 22:11:11 +00:00
349 lines
14 KiB
Rust
349 lines
14 KiB
Rust
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// Take a look at the license at the top of the repository in the LICENSE file.
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use crate::VideoFormat;
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use glib::translate::*;
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use std::fmt;
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use crate::video_vbi::line_buffer_len;
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use crate::{VideoAncillaryDID, VideoAncillaryDID16, VideoVBIError};
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glib::wrapper! {
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#[doc(alias = "GstVideoAncillary")]
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pub struct VideoAncillary(BoxedInline<ffi::GstVideoAncillary>);
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}
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impl VideoAncillary {
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pub fn did_u8(&self) -> u8 {
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self.inner.DID
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}
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pub fn did(&self) -> VideoAncillaryDID {
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unsafe { VideoAncillaryDID::from_glib(self.inner.DID as ffi::GstVideoAncillaryDID) }
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}
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pub fn sdid_block_number(&self) -> u8 {
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self.inner.SDID_block_number
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}
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pub fn did16(&self) -> VideoAncillaryDID16 {
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unsafe {
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VideoAncillaryDID16::from_glib(
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(((self.inner.DID as u16) << 8) + self.inner.SDID_block_number as u16)
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as ffi::GstVideoAncillaryDID16,
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)
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}
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}
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pub fn len(&self) -> usize {
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self.inner.data_count as usize
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}
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pub fn is_empty(&self) -> bool {
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self.inner.data_count == 0
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}
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pub fn data(&self) -> &[u8] {
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&self.inner.data[0..(self.inner.data_count as usize)]
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}
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}
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impl fmt::Debug for VideoAncillary {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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f.debug_struct("VideoAncillary")
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.field("did", &self.did())
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.field("sdid_block_number", &self.sdid_block_number())
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.field("did16", &self.did16())
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.field("data_count", &self.inner.data_count)
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.finish()
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}
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}
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glib::wrapper! {
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
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struct VideoVBIParserInner(Boxed<ffi::GstVideoVBIParser>);
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match fn {
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copy => |ptr| ffi::gst_video_vbi_parser_copy(ptr),
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free => |ptr| ffi::gst_video_vbi_parser_free(ptr),
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type_ => || ffi::gst_video_vbi_parser_get_type(),
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}
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}
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#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
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pub struct VideoVBIParser {
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inner: VideoVBIParserInner,
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line_buffer_len: usize,
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}
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impl VideoVBIParser {
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#[doc(alias = "gst_video_vbi_parser_new")]
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pub fn try_new(format: VideoFormat, pixel_width: u32) -> Result<VideoVBIParser, VideoVBIError> {
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skip_assert_initialized!();
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let res: Option<VideoVBIParserInner> = unsafe {
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from_glib_full(ffi::gst_video_vbi_parser_new(
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format.into_glib(),
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pixel_width,
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))
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};
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Ok(VideoVBIParser {
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inner: res.ok_or(VideoVBIError::Unsupported)?,
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line_buffer_len: line_buffer_len(format, pixel_width),
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})
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}
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// rustdoc-stripper-ignore-next
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/// Returns the buffer length needed to store the line.
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pub fn line_buffer_len(&self) -> usize {
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self.line_buffer_len
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}
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#[doc(alias = "gst_video_vbi_parser_add_line")]
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pub fn add_line(&mut self, data: &[u8]) -> Result<(), VideoVBIError> {
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if data.len() < self.line_buffer_len {
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return Err(VideoVBIError::InsufficientLineBufLen {
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found: data.len(),
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expected: self.line_buffer_len,
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});
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}
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unsafe {
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let data = data.as_ptr();
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ffi::gst_video_vbi_parser_add_line(self.inner.to_glib_none_mut().0, data);
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}
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Ok(())
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}
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pub fn iter(&mut self) -> AncillaryIter {
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AncillaryIter { parser: self }
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}
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#[doc(alias = "gst_video_vbi_parser_get_ancillary")]
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pub fn next_ancillary(&mut self) -> Option<Result<VideoAncillary, VideoVBIError>> {
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unsafe {
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let mut video_anc = std::mem::MaybeUninit::uninit();
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let res = ffi::gst_video_vbi_parser_get_ancillary(
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self.inner.to_glib_none_mut().0,
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video_anc.as_mut_ptr(),
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);
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match res {
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ffi::GST_VIDEO_VBI_PARSER_RESULT_OK => Some(Ok(VideoAncillary {
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inner: video_anc.assume_init(),
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})),
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ffi::GST_VIDEO_VBI_PARSER_RESULT_DONE => None,
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ffi::GST_VIDEO_VBI_PARSER_RESULT_ERROR => Some(Err(VideoVBIError::NotEnoughData)),
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_ => unreachable!(),
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}
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}
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}
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}
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unsafe impl Send for VideoVBIParser {}
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unsafe impl Sync for VideoVBIParser {}
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impl<'a> TryFrom<&'a crate::VideoInfo> for VideoVBIParser {
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type Error = VideoVBIError;
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fn try_from(info: &'a crate::VideoInfo) -> Result<VideoVBIParser, VideoVBIError> {
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skip_assert_initialized!();
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VideoVBIParser::try_new(info.format(), info.width())
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}
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}
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#[derive(Debug)]
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pub struct AncillaryIter<'a> {
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parser: &'a mut VideoVBIParser,
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}
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impl<'a> Iterator for AncillaryIter<'a> {
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type Item = Result<VideoAncillary, VideoVBIError>;
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fn next(&mut self) -> Option<Self::Item> {
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self.parser.next_ancillary()
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::VBI_HD_MIN_PIXEL_WIDTH;
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fn init_line_buf(parser: &VideoVBIParser, anc_buf: &[u8]) -> Vec<u8> {
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skip_assert_initialized!();
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let mut line_buf = vec![0; parser.line_buffer_len()];
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line_buf[0..anc_buf.len()].copy_from_slice(anc_buf);
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line_buf
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}
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#[test]
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fn cea608_component() {
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let mut parser =
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VideoVBIParser::try_new(VideoFormat::V210, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
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let line_buf = init_line_buf(
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&parser,
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&[
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0x00, 0x00, 0x00, 0x00, 0xff, 0x03, 0xf0, 0x3f, 0x00, 0x84, 0x05, 0x00, 0x02, 0x01,
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0x30, 0x20, 0x00, 0x00, 0x06, 0x00, 0x94, 0x01, 0xc0, 0x12, 0x00, 0x98, 0x0a, 0x00,
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0x00, 0x00, 0x00, 0x00,
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],
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);
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parser.add_line(&line_buf).unwrap();
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let video_anc = parser.next_ancillary().unwrap().unwrap();
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assert_eq!(video_anc.did16(), VideoAncillaryDID16::S334Eia608);
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assert_eq!(video_anc.data(), [0x80, 0x94, 0x2c]);
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assert!(parser.next_ancillary().is_none());
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}
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#[test]
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fn cea608_composite() {
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let mut parser =
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VideoVBIParser::try_new(VideoFormat::V210, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
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let line_buf = init_line_buf(
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&parser,
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&[
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0x00, 0xf0, 0x0f, 0x00, 0x61, 0x01, 0x20, 0x10, 0x00, 0x0c, 0x08, 0x00, 0x15, 0x01,
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0x40, 0x19, 0x00, 0xb0, 0x04, 0x00, 0x3b, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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],
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);
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parser.add_line(&line_buf).unwrap();
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let video_anc = parser.next_ancillary().unwrap().unwrap();
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assert_eq!(video_anc.did16(), VideoAncillaryDID16::S334Eia608);
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assert_eq!(video_anc.data(), [0x15, 0x94, 0x2c]);
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assert!(parser.next_ancillary().is_none());
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}
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#[test]
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fn cea608_can_not_parse() {
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let mut parser =
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VideoVBIParser::try_new(VideoFormat::V210, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
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let line_buf = init_line_buf(&parser, &[0x00, 0xf0, 0x0f, 0x00, 0x61, 0x01, 0x20, 0x10]);
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parser.add_line(&line_buf).unwrap();
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assert!(parser.next_ancillary().is_none());
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}
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#[test]
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fn cea608_insufficient_line_buf_len() {
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let mut parser =
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VideoVBIParser::try_new(VideoFormat::V210, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
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let line_buf = vec![0; 10];
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assert_eq!(
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parser.add_line(&line_buf).unwrap_err(),
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VideoVBIError::InsufficientLineBufLen {
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found: 10,
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expected: parser.line_buffer_len()
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},
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);
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}
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#[test]
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fn cea708_component() {
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let mut parser =
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VideoVBIParser::try_new(VideoFormat::V210, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
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let line_buf = init_line_buf(
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&parser,
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&[
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0x00, 0x00, 0x00, 0x00, 0xff, 0x03, 0xf0, 0x3f, 0x00, 0x84, 0x05, 0x00, 0x01, 0x01,
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0x50, 0x25, 0x00, 0x58, 0x0a, 0x00, 0x69, 0x02, 0x50, 0x25, 0x00, 0xfc, 0x08, 0x00,
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0x43, 0x01, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0x72, 0x02, 0x80, 0x1f, 0x00, 0xf0,
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0x0b, 0x00, 0x94, 0x01, 0xc0, 0x12, 0x00, 0xe4, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20,
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0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02,
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0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00,
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0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8,
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0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20,
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0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02,
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0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00,
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0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8,
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0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20,
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0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02,
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0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00,
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0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8,
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0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20,
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0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xd0, 0x09, 0x00, 0x00, 0x02,
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0x00, 0x20, 0x00, 0x6c, 0x08, 0x00, 0xb7, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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],
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);
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parser.add_line(&line_buf).unwrap();
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let video_anc = parser.next_ancillary().unwrap().unwrap();
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assert_eq!(video_anc.did16(), VideoAncillaryDID16::S334Eia708);
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assert_eq!(
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video_anc.data(),
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[
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0x96, 0x69, 0x55, 0x3f, 0x43, 0x00, 0x00, 0x72, 0xf8, 0xfc, 0x94, 0x2c, 0xf9, 0x00,
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0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa,
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0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
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0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00,
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0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa,
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0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0x74, 0x00, 0x00,
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0x1b,
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]
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);
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assert!(parser.next_ancillary().is_none());
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}
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#[test]
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fn cea608_and_cea708_component() {
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let mut parser =
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VideoVBIParser::try_new(VideoFormat::V210, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
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let mut line_buf = vec![0; parser.line_buffer_len()];
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let anc_buf = [
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|
|
0x00, 0x00, 0x00, 0x00, 0xff, 0x03, 0xf0, 0x3f, 0x00, 0x84, 0x05, 0x00, 0x02, 0x01,
|
||
|
|
0x30, 0x20, 0x00, 0x00, 0x06, 0x00, 0x94, 0x01, 0xc0, 0x12, 0x00, 0x98, 0x0a, 0x00,
|
||
|
|
0x00, 0x00, 0xf0, 0x3f, 0x00, 0xfc, 0x0f, 0x00, 0x61, 0x01, 0x10, 0x10, 0x00, 0x54,
|
||
|
|
0x09, 0x00, 0x96, 0x02, 0x90, 0x26, 0x00, 0x54, 0x09, 0x00, 0x3f, 0x02, 0x30, 0x14,
|
||
|
|
0x00, 0x00, 0x08, 0x00, 0x00, 0x02, 0x20, 0x27, 0x00, 0xe0, 0x07, 0x00, 0xfc, 0x02,
|
||
|
|
0x40, 0x19, 0x00, 0xb0, 0x04, 0x00, 0xf9, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00,
|
||
|
|
0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00,
|
||
|
|
0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20,
|
||
|
|
0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02,
|
||
|
|
0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00,
|
||
|
|
0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00,
|
||
|
|
0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20,
|
||
|
|
0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02,
|
||
|
|
0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00,
|
||
|
|
0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00,
|
||
|
|
0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20,
|
||
|
|
0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02,
|
||
|
|
0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00,
|
||
|
|
0xfa, 0x02, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0x74, 0x02, 0x00, 0x20, 0x00, 0x00,
|
||
|
|
0x08, 0x00, 0x1b, 0x02, 0x70, 0x2b,
|
||
|
|
];
|
||
|
|
line_buf[0..anc_buf.len()].copy_from_slice(&anc_buf);
|
||
|
|
parser.add_line(&line_buf).unwrap();
|
||
|
|
|
||
|
|
let mut anc_iter = parser.iter();
|
||
|
|
|
||
|
|
let video_anc = anc_iter.next().unwrap().unwrap();
|
||
|
|
assert_eq!(video_anc.did16(), VideoAncillaryDID16::S334Eia608);
|
||
|
|
assert_eq!(video_anc.data(), [0x80, 0x94, 0x2c]);
|
||
|
|
|
||
|
|
let video_anc = anc_iter.next().unwrap().unwrap();
|
||
|
|
assert_eq!(video_anc.did16(), VideoAncillaryDID16::S334Eia708);
|
||
|
|
assert_eq!(
|
||
|
|
video_anc.data(),
|
||
|
|
[
|
||
|
|
0x96, 0x69, 0x55, 0x3f, 0x43, 0x00, 0x00, 0x72, 0xf8, 0xfc, 0x94, 0x2c, 0xf9, 0x00,
|
||
|
|
0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa,
|
||
|
|
0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00,
|
||
|
|
0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00,
|
||
|
|
0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa,
|
||
|
|
0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0xfa, 0x00, 0x00, 0x74, 0x00, 0x00,
|
||
|
|
0x1b,
|
||
|
|
]
|
||
|
|
);
|
||
|
|
|
||
|
|
assert!(anc_iter.next().is_none());
|
||
|
|
}
|
||
|
|
}
|