Method copy_packed_data

rustcv-backend-msmf/src/stream.rs:367–391

Copies packed format data

(
        &mut self,
        scanline0: *mut u8,
        pitch: i32,
        src_pitch: usize,
        row_bytes: usize,
    )

    /// Copies packed format data
    unsafe fn copy_packed_data(
        &mut self,
        scanline0: *mut u8,
        pitch: i32,
        src_pitch: usize,
        row_bytes: usize,
    ) -> Result<()> {
        let height = self.height as usize;

        if src_pitch == row_bytes {
            std::ptr::copy_nonoverlapping(
                scanline0,
                self.linear_buffer.as_mut_ptr(),
                row_bytes * height,
            );
        } else {
            let src = self.get_src_ptr(scanline0, pitch, src_pitch, height);

            for row in 0..height {
                self.copy_row(src, row, src_pitch, row_bytes, 0);
            }
        }

        Ok(())
    }

    /// Gets the source pointer, handling negative pitch (bottom-up images).
    #[inline]