Deleted vendor folder

1 files changed, 0 insertions, 221 deletions

diff --git a/vendor/jpeg-decoder/src/worker/rayon.rs b/vendor/jpeg-decoder/src/worker/rayon.rs
deleted file mode 100644
index ec7df25..0000000
--- a/vendor/jpeg-decoder/src/worker/rayon.rs
+++ /dev/null
@@ -1,221 +0,0 @@
-use core::convert::TryInto;
-
-use rayon::iter::{IndexedParallelIterator, ParallelIterator};
-use rayon::slice::ParallelSliceMut;
-
-use crate::decoder::{choose_color_convert_func, ColorTransform};
-use crate::error::Result;
-use crate::idct::dequantize_and_idct_block;
-use crate::parser::Component;
-use crate::upsampler::Upsampler;
-use crate::{decoder::MAX_COMPONENTS, parser::Dimensions};
-
-use std::sync::Arc;
-
-use super::{RowData, Worker};
-
-/// Technically similar to `immediate::ImmediateWorker` but we copy it since we may prefer
-/// different style of managing the memory allocation, something that multiple actors can access in
-/// parallel.
-#[derive(Default)]
-struct ImmediateWorker {
-    offsets: [usize; MAX_COMPONENTS],
-    results: [Vec<u8>; MAX_COMPONENTS],
-    components: [Option<Component>; MAX_COMPONENTS],
-    quantization_tables: [Option<Arc<[u16; 64]>>; MAX_COMPONENTS],
-}
-
-#[derive(Clone, Copy)]
-struct ComponentMetadata {
-    block_width: usize,
-    block_count: usize,
-    line_stride: usize,
-    dct_scale: usize,
-}
-
-#[derive(Default)]
-pub struct Scoped {
-    inner: ImmediateWorker,
-}
-
-impl ImmediateWorker {
-    pub fn start_immediate(&mut self, data: RowData) {
-        let elements = data.component.block_size.width as usize
-            * data.component.block_size.height as usize
-            * data.component.dct_scale
-            * data.component.dct_scale;
-        self.offsets[data.index] = 0;
-        self.results[data.index].resize(elements, 0u8);
-        self.components[data.index] = Some(data.component);
-        self.quantization_tables[data.index] = Some(data.quantization_table);
-    }
-
-    pub fn get_result_immediate(&mut self, index: usize) -> Vec<u8> {
-        core::mem::take(&mut self.results[index])
-    }
-
-    pub fn component_metadata(&self, index: usize) -> Option<ComponentMetadata> {
-        let component = self.components[index].as_ref()?;
-        let block_size = component.block_size;
-        let block_width = block_size.width as usize;
-        let block_count = block_size.width as usize * component.vertical_sampling_factor as usize;
-        let line_stride = block_size.width as usize * component.dct_scale;
-        let dct_scale = component.dct_scale;
-
-        Some(ComponentMetadata {
-            block_width,
-            block_count,
-            line_stride,
-            dct_scale,
-        })
-    }
-
-    pub fn append_row_locked(
-        quantization_table: Arc<[u16; 64]>,
-        metadata: ComponentMetadata,
-        data: Vec<i16>,
-        result_block: &mut [u8],
-    ) {
-        // Convert coefficients from a MCU row to samples.
-        let ComponentMetadata {
-            block_count,
-            line_stride,
-            block_width,
-            dct_scale,
-        } = metadata;
-
-        assert_eq!(data.len(), block_count * 64);
-
-        let mut output_buffer = [0; 64];
-        for i in 0..block_count {
-            let x = (i % block_width) * dct_scale;
-            let y = (i / block_width) * dct_scale;
-
-            let coefficients: &[i16; 64] = &data[i * 64..(i + 1) * 64].try_into().unwrap();
-
-            // Write to a temporary intermediate buffer, a 8x8 'image'.
-            dequantize_and_idct_block(
-                dct_scale,
-                coefficients,
-                &*quantization_table,
-                8,
-                &mut output_buffer,
-            );
-
-            let write_back = &mut result_block[y * line_stride + x..];
-
-            let buffered_lines = output_buffer.chunks_mut(8);
-            let back_lines = write_back.chunks_mut(line_stride);
-
-            for (buf, back) in buffered_lines.zip(back_lines).take(dct_scale) {
-                back[..dct_scale].copy_from_slice(&buf[..dct_scale]);
-            }
-        }
-    }
-}
-
-impl Worker for Scoped {
-    fn start(&mut self, row_data: RowData) -> Result<()> {
-        self.inner.start_immediate(row_data);
-        Ok(())
-    }
-
-    fn append_row(&mut self, row: (usize, Vec<i16>)) -> Result<()> {
-        let inner = &mut self.inner;
-        let (index, data) = row;
-
-        let quantization_table = inner.quantization_tables[index].as_ref().unwrap().clone();
-        let metadata = inner.component_metadata(index).unwrap();
-        let result_block = &mut inner.results[index][inner.offsets[index]..];
-        inner.offsets[index] += metadata.bytes_used();
-
-        ImmediateWorker::append_row_locked(quantization_table, metadata, data, result_block);
-        Ok(())
-    }
-
-    fn get_result(&mut self, index: usize) -> Result<Vec<u8>> {
-        let result = self.inner.get_result_immediate(index);
-        Ok(result)
-    }
-
-    // Magic sauce, these _may_ run in parallel.
-    fn append_rows(&mut self, iter: &mut dyn Iterator<Item = (usize, Vec<i16>)>) -> Result<()> {
-        let inner = &mut self.inner;
-        rayon::in_place_scope(|scope| {
-            let metadatas = [
-                inner.component_metadata(0),
-                inner.component_metadata(1),
-                inner.component_metadata(2),
-                inner.component_metadata(3),
-            ];
-
-            let [res0, res1, res2, res3] = &mut inner.results;
-
-            // Lazily get the blocks. Note: if we've already collected results from a component
-            // then the result vector has already been deallocated/taken. But no more tasks should
-            // be created for it.
-            let mut result_blocks = [
-                res0.get_mut(inner.offsets[0]..).unwrap_or(&mut []),
-                res1.get_mut(inner.offsets[1]..).unwrap_or(&mut []),
-                res2.get_mut(inner.offsets[2]..).unwrap_or(&mut []),
-                res3.get_mut(inner.offsets[3]..).unwrap_or(&mut []),
-            ];
-
-            // First we schedule everything, making sure their index is right etc.
-            for (index, data) in iter {
-                let metadata = metadatas[index].unwrap();
-                let quantization_table = inner.quantization_tables[index].as_ref().unwrap().clone();
-
-                inner.offsets[index] += metadata.bytes_used();
-                let (result_block, tail) =
-                    core::mem::take(&mut result_blocks[index]).split_at_mut(metadata.bytes_used());
-                result_blocks[index] = tail;
-
-                scope.spawn(move |_| {
-                    ImmediateWorker::append_row_locked(
-                        quantization_table,
-                        metadata,
-                        data,
-                        result_block,
-                    )
-                });
-            }
-        });
-
-        Ok(())
-    }
-}
-
-impl ComponentMetadata {
-    fn bytes_used(&self) -> usize {
-        self.block_count * self.dct_scale * self.dct_scale
-    }
-}
-
-pub fn compute_image_parallel(
-    components: &[Component],
-    data: Vec<Vec<u8>>,
-    output_size: Dimensions,
-    color_transform: ColorTransform,
-) -> Result<Vec<u8>> {
-    let color_convert_func = choose_color_convert_func(components.len(), color_transform)?;
-    let upsampler = Upsampler::new(components, output_size.width, output_size.height)?;
-    let line_size = output_size.width as usize * components.len();
-    let mut image = vec![0u8; line_size * output_size.height as usize];
-
-    image
-        .par_chunks_mut(line_size)
-        .with_max_len(1)
-        .enumerate()
-        .for_each(|(row, line)| {
-            upsampler.upsample_and_interleave_row(
-                &data,
-                row,
-                output_size.width as usize,
-                line,
-                color_convert_func,
-            );
-        });
-
-    Ok(image)
-}