gstreamer-rs/gstreamer-video/src/video_vbi_encoder.rs

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// Take a look at the license at the top of the repository in the LICENSE file.
use crate::{ffi, VideoFormat};
use glib::translate::*;
use crate::video_vbi::line_buffer_len;
use crate::{VideoAncillaryDID, VideoAncillaryDID16, VideoVBIError, VBI_HD_MIN_PIXEL_WIDTH};
glib::wrapper! {
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
struct VideoVBIEncoderInner(Boxed<ffi::GstVideoVBIEncoder>);
match fn {
copy => |ptr| ffi::gst_video_vbi_encoder_copy(ptr),
free => |ptr| ffi::gst_video_vbi_encoder_free(ptr),
type_ => || ffi::gst_video_vbi_encoder_get_type(),
}
}
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct VideoVBIEncoder {
inner: VideoVBIEncoderInner,
format: VideoFormat,
pixel_width: u32,
line_buffer_len: usize,
anc_len: usize,
}
unsafe impl Send for VideoVBIEncoder {}
unsafe impl Sync for VideoVBIEncoder {}
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum VideoAFDDescriptionMode {
Composite,
Component,
}
impl VideoAFDDescriptionMode {
pub fn is_composite(&self) -> bool {
matches!(self, VideoAFDDescriptionMode::Composite)
}
pub fn is_component(&self) -> bool {
matches!(self, VideoAFDDescriptionMode::Component)
}
}
impl VideoVBIEncoder {
#[doc(alias = "gst_video_vbi_encoder_new")]
pub fn try_new(
format: VideoFormat,
pixel_width: u32,
) -> Result<VideoVBIEncoder, VideoVBIError> {
skip_assert_initialized!();
let res: Option<VideoVBIEncoderInner> = unsafe {
from_glib_full(ffi::gst_video_vbi_encoder_new(
format.into_glib(),
pixel_width,
))
};
Ok(VideoVBIEncoder {
inner: res.ok_or(VideoVBIError::Unsupported)?,
format,
pixel_width,
line_buffer_len: line_buffer_len(format, pixel_width),
anc_len: 0,
})
}
// rustdoc-stripper-ignore-next
/// Adds the provided ancillary data as a DID and block number AFD.
pub fn add_did_ancillary(
&mut self,
adf_mode: VideoAFDDescriptionMode,
did: VideoAncillaryDID,
block_number: u8,
data: &[u8],
) -> Result<(), VideoVBIError> {
self.add_ancillary(adf_mode, did.into_glib() as u8, block_number, data)
}
// rustdoc-stripper-ignore-next
/// Adds the provided ancillary data as a DID16 (DID & SDID) AFD.
pub fn add_did16_ancillary(
&mut self,
adf_mode: VideoAFDDescriptionMode,
did16: VideoAncillaryDID16,
data: &[u8],
) -> Result<(), VideoVBIError> {
let did16 = did16.into_glib();
self.add_ancillary(
adf_mode,
((did16 & 0xff00) >> 8) as u8,
(did16 & 0xff) as u8,
data,
)
}
#[doc(alias = "gst_video_vbi_encoder_add_ancillary")]
pub fn add_ancillary(
&mut self,
adf_mode: VideoAFDDescriptionMode,
did: u8,
sdid_block_number: u8,
data: &[u8],
) -> Result<(), VideoVBIError> {
let data_count = data.len() as _;
let res: bool = unsafe {
from_glib(ffi::gst_video_vbi_encoder_add_ancillary(
self.inner.to_glib_none_mut().0,
adf_mode.is_composite().into_glib(),
did,
sdid_block_number,
data.to_glib_none().0,
data_count,
))
};
if !res {
return Err(VideoVBIError::NotEnoughSpace);
}
// AFD: 1 byte (+2 if component)
// DID + SDID_block_number + Data Count: 3 bytes
// DATA: data_count bytes
// Checksum: 1 byte
let mut len = 1 + 3 + (data_count as usize) + 1;
if adf_mode.is_component() {
len += 2;
}
if matches!(self.format, VideoFormat::V210) {
// 10bits payload on 16bits for now: will be packed when writing the line
len *= 2;
}
self.anc_len += len;
Ok(())
}
// rustdoc-stripper-ignore-next
/// Returns the buffer length needed to store the line.
pub fn line_buffer_len(&self) -> usize {
self.line_buffer_len
}
// rustdoc-stripper-ignore-next
/// Writes the ancillaries encoded for VBI to the provided buffer.
///
/// Use [`Self::line_buffer_len`] to get the expected buffer length.
///
/// Resets the internal state, so this [`VideoVBIEncoder`] can be reused for
/// subsequent VBI encodings.
///
/// # Returns
///
/// - `Ok` with the written length in bytes in the line buffer containing the encoded
/// ancilliaries previously added using [`VideoVBIEncoder::add_ancillary`],
/// [`VideoVBIEncoder::add_did_ancillary`] or [`VideoVBIEncoder::add_did16_ancillary`].
/// - `Err` if the ancillary could not be added.
#[doc(alias = "gst_video_vbi_encoder_write_line")]
pub fn write_line(&mut self, data: &mut [u8]) -> Result<usize, VideoVBIError> {
if data.len() < self.line_buffer_len {
return Err(VideoVBIError::InsufficientLineBufLen {
found: data.len(),
expected: self.line_buffer_len,
});
}
unsafe {
let dest = data.as_mut_ptr();
ffi::gst_video_vbi_encoder_write_line(self.inner.to_glib_none_mut().0, dest);
}
let mut anc_len = std::mem::take(&mut self.anc_len);
match self.format {
VideoFormat::V210 => {
// Anc data consists in 10bits stored in 16bits word
let word_count = anc_len / 2;
if self.pixel_width < VBI_HD_MIN_PIXEL_WIDTH {
// SD: Packs 12x 10bits data in 4x 32bits word
anc_len =
4 * 4 * ((word_count / 12) + if word_count % 12 == 0 { 0 } else { 1 });
} else {
// HD: Packs 3x 10bits data in 1x 32bits word interleaving UV and Y components
// (where Y starts at buffer offset 0 and UV starts at buffer offset pixel_width)
// so we get 6 (uv,y) pairs every 4x 32bits word in the resulting line
// FIXME: {integer}::div_ceil was stabilised in rustc 1.73.0
let pair_count = usize::min(word_count, self.pixel_width as usize);
anc_len = 4 * 4 * ((pair_count / 6) + if pair_count % 6 == 0 { 0 } else { 1 });
}
}
VideoFormat::Uyvy => {
// Anc data stored as bytes
if self.pixel_width < VBI_HD_MIN_PIXEL_WIDTH {
// SD: Stores 4x bytes in 4x bytes let's keep 32 bits alignment
anc_len = 4 * ((anc_len / 4) + if anc_len % 4 == 0 { 0 } else { 1 });
} else {
// HD: Stores 4x bytes in 4x bytes interleaving UV and Y components
// (where Y starts at buffer offset 0 and UV starts at buffer offset pixel_width)
// so we get 2 (uv,y) pairs every 4x bytes in the resulting line
// let's keep 32 bits alignment
// FIXME: {integer}::div_ceil was stabilised in rustc 1.73.0
let pair_count = usize::min(anc_len, self.pixel_width as usize);
anc_len = 4 * ((pair_count / 2) + if pair_count % 2 == 0 { 0 } else { 1 });
}
}
_ => unreachable!(),
}
assert!(anc_len < self.line_buffer_len);
Ok(anc_len)
}
}
impl<'a> TryFrom<&'a crate::VideoInfo> for VideoVBIEncoder {
type Error = VideoVBIError;
fn try_from(info: &'a crate::VideoInfo) -> Result<VideoVBIEncoder, VideoVBIError> {
skip_assert_initialized!();
VideoVBIEncoder::try_new(info.format(), info.width())
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn cea608_component() {
let mut encoder =
VideoVBIEncoder::try_new(VideoFormat::V210, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Component,
VideoAncillaryDID16::S334Eia608,
&[0x80, 0x94, 0x2c],
)
.unwrap();
let mut buf = vec![0; encoder.line_buffer_len()];
let anc_len = encoder.write_line(buf.as_mut_slice()).unwrap();
assert_eq!(32, anc_len);
assert_eq!(
buf[0..anc_len],
[
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, 0x00, 0x00
]
);
}
#[test]
fn cea608_component_sd() {
let mut encoder = VideoVBIEncoder::try_new(VideoFormat::V210, 768).unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Component,
VideoAncillaryDID16::S334Eia608,
&[0x80, 0x94, 0x2c],
)
.unwrap();
let mut buf = vec![0; encoder.line_buffer_len()];
let anc_len = encoder.write_line(buf.as_mut_slice()).unwrap();
assert_eq!(16, anc_len);
assert_eq!(
buf[0..anc_len],
[
0x00, 0xfc, 0xff, 0x3f, 0x61, 0x09, 0x34, 0x20, 0x80, 0x51, 0xc6, 0x12, 0xa6, 0x02,
0x00, 0x00
]
);
}
#[test]
fn cea608_composite() {
let mut encoder =
VideoVBIEncoder::try_new(VideoFormat::V210, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Composite,
VideoAncillaryDID16::S334Eia608,
&[0x15, 0x94, 0x2c],
)
.unwrap();
let mut buf = vec![0; encoder.line_buffer_len()];
let anc_len = encoder.write_line(buf.as_mut_slice()).unwrap();
assert_eq!(32, anc_len);
assert_eq!(
buf[0..anc_len],
[
0x00, 0xf0, 0x0f, 0x00, 0x61, 0x01, 0x20, 0x10, 0x00, 0x0c, 0x08, 0x00, 0x15, 0x01,
0x40, 0x19, 0x00, 0xb0, 0x04, 0x00, 0x3b, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
]
);
}
#[test]
fn cea608_composite_sd() {
let mut encoder = VideoVBIEncoder::try_new(VideoFormat::V210, 768).unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Composite,
VideoAncillaryDID16::S334Eia608,
&[0x15, 0x94, 0x2c],
)
.unwrap();
let mut buf = vec![0; encoder.line_buffer_len()];
let anc_len = encoder.write_line(buf.as_mut_slice()).unwrap();
assert_eq!(16, anc_len);
assert_eq!(
buf[0..anc_len],
[
0xfc, 0x87, 0x25, 0x10, 0x03, 0x56, 0x44, 0x19, 0x2c, 0xed, 0x08, 0x00, 0x00, 0x00,
0x00, 0x00
]
);
}
#[test]
fn cea608_component_uyvy() {
let mut encoder =
VideoVBIEncoder::try_new(VideoFormat::Uyvy, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Component,
VideoAncillaryDID16::S334Eia608,
&[0x80, 0x94, 0x2c],
)
.unwrap();
let mut buf = vec![0; encoder.line_buffer_len()];
let anc_len = encoder.write_line(buf.as_mut_slice()).unwrap();
assert_eq!(20, anc_len);
assert_eq!(
buf[0..anc_len],
[
0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x61, 0x00, 0x02, 0x00, 0x03, 0x00, 0x80,
0x00, 0x94, 0x00, 0x2c, 0x00, 0xa6
]
);
}
#[test]
fn cea608_component_sd_uyvy() {
let mut encoder = VideoVBIEncoder::try_new(VideoFormat::Uyvy, 768).unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Component,
VideoAncillaryDID16::S334Eia608,
&[0x80, 0x94, 0x2c],
)
.unwrap();
let mut buf = vec![0; encoder.line_buffer_len()];
let anc_len = encoder.write_line(buf.as_mut_slice()).unwrap();
assert_eq!(12, anc_len);
assert_eq!(
buf[0..anc_len],
[0x00, 0xff, 0xff, 0x61, 0x02, 0x03, 0x80, 0x94, 0x2c, 0xa6, 0x00, 0x00]
);
}
#[test]
fn cea608_composite_uyvy() {
let mut encoder =
VideoVBIEncoder::try_new(VideoFormat::Uyvy, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Composite,
VideoAncillaryDID16::S334Eia608,
&[0x15, 0x94, 0x2c],
)
.unwrap();
let mut buf = vec![0; encoder.line_buffer_len()];
let anc_len = encoder.write_line(buf.as_mut_slice()).unwrap();
assert_eq!(16, anc_len);
assert_eq!(
buf[0..anc_len],
[
0x00, 0xfc, 0x00, 0x61, 0x00, 0x02, 0x00, 0x03, 0x00, 0x15, 0x00, 0x94, 0x00, 0x2c,
0x00, 0x3b
]
);
}
#[test]
fn cea608_composite_sd_uyvy() {
let mut encoder = VideoVBIEncoder::try_new(VideoFormat::Uyvy, 768).unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Composite,
VideoAncillaryDID16::S334Eia608,
&[0x15, 0x94, 0x2c],
)
.unwrap();
let mut buf = vec![0; encoder.line_buffer_len()];
let anc_len = encoder.write_line(buf.as_mut_slice()).unwrap();
assert_eq!(8, anc_len);
assert_eq!(
buf[0..anc_len],
[0xfc, 0x61, 0x02, 0x03, 0x15, 0x94, 0x2c, 0x3b]
);
}
#[test]
fn insufficient_line_buf_len() {
let mut encoder =
VideoVBIEncoder::try_new(VideoFormat::V210, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Component,
VideoAncillaryDID16::S334Eia608,
&[0x80, 0x94, 0x2c],
)
.unwrap();
let mut buf = vec![0; 10];
assert_eq!(
encoder.write_line(buf.as_mut_slice()).unwrap_err(),
VideoVBIError::InsufficientLineBufLen {
found: 10,
expected: encoder.line_buffer_len()
},
);
}
#[test]
fn cea708_component() {
let mut encoder =
VideoVBIEncoder::try_new(VideoFormat::V210, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Component,
VideoAncillaryDID16::S334Eia708,
&[
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,
],
)
.unwrap();
let mut buf = vec![0; encoder.line_buffer_len()];
let anc_len = encoder.write_line(buf.as_mut_slice()).unwrap();
assert_eq!(256, anc_len);
assert_eq!(
buf[0..anc_len],
[
0x00, 0x00, 0x00, 0x00, 0xff, 0x03, 0xf0, 0x3f, 0x00, 0x84, 0x05, 0x00, 0x01, 0x01,
0x50, 0x25, 0x00, 0x58, 0x0a, 0x00, 0x69, 0x02, 0x50, 0x25, 0x00, 0xfc, 0x08, 0x00,
0x43, 0x01, 0x00, 0x20, 0x00, 0x00, 0x08, 0x00, 0x72, 0x02, 0x80, 0x1f, 0x00, 0xf0,
0x0b, 0x00, 0x94, 0x01, 0xc0, 0x12, 0x00, 0xe4, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20,
0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02,
0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00,
0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8,
0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20,
0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02,
0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00,
0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8,
0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20,
0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02,
0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00,
0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8,
0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20,
0x00, 0xe8, 0x0b, 0x00, 0x00, 0x02, 0x00, 0x20, 0x00, 0xd0, 0x09, 0x00, 0x00, 0x02,
0x00, 0x20, 0x00, 0x6c, 0x08, 0x00, 0xb7, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
]
);
}
#[test]
fn cea608_and_cea708_component() {
let mut encoder =
VideoVBIEncoder::try_new(VideoFormat::V210, VBI_HD_MIN_PIXEL_WIDTH).unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Component,
VideoAncillaryDID16::S334Eia608,
&[0x80, 0x94, 0x2c],
)
.unwrap();
encoder
.add_did16_ancillary(
VideoAFDDescriptionMode::Component,
VideoAncillaryDID16::S334Eia708,
&[
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,
],
)
.unwrap();
let mut buf = vec![0; encoder.line_buffer_len()];
let anc_len = encoder.write_line(buf.as_mut_slice()).unwrap();
assert_eq!(272, anc_len);
assert_eq!(
buf[0..anc_len],
[
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,
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]
);
}
}