From da39ed55e1440fba61122c5fa2262ab9b0a9dd21 Mon Sep 17 00:00:00 2001 From: metamuffin Date: Tue, 7 Mar 2023 19:13:59 +0100 Subject: works very well --- lvc/src/main.rs | 101 ++++++++++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 84 insertions(+), 17 deletions(-) (limited to 'lvc/src/main.rs') diff --git a/lvc/src/main.rs b/lvc/src/main.rs index 413e4a4..48df911 100644 --- a/lvc/src/main.rs +++ b/lvc/src/main.rs @@ -1,30 +1,97 @@ -use lvc::{debug::draw_debug, decode::decode, encode::encode, Frame, Pixel, PixelValue, View, P2}; +use bincode::config::standard; +use clap::{Parser, Subcommand}; +use lvc::{ + debug::draw_debug, + decode::decode, + encode::{encode, EncodeConfig}, + Block, Frame, Pixel, PixelValue, View, P2, +}; use std::io::{stdin, stdout, BufReader, BufWriter, Read, Write}; +#[derive(Parser)] +#[clap(about, version)] +struct Args { + // Width of the video signal + #[arg(short, long)] + width: u16, + // Height of the video signal + #[arg(short, long)] + height: u16, + #[clap(subcommand)] + action: Action, +} +#[derive(Clone, Subcommand)] +enum Action { + // Compress video + Encode { + #[arg(short, long, default_value_t = 1024)] + block_size: usize, + #[arg(short, long, default_value_t = 10_000)] + threshold: u32, + }, + // Decompress video + Decode { + #[arg(short, long)] + debug: bool, + }, +} + fn main() { - let size = P2 { x: 1920, y: 1080 }; + let args = Args::parse(); - let mut last_frame = Frame::new(size); - let mut debug_frame = Some(Frame::new(size)); + let size = P2 { + x: args.width as i32, + y: args.height as i32, + }; + match args.action { + Action::Decode { debug } => { + let mut frame = Frame::new(size); + let mut last_frame = Frame::new(size); + let mut debug_frame = if debug { Some(Frame::new(size)) } else { None }; - let mut stdin = BufReader::new(stdin()); - let mut stdout = BufWriter::new(stdout()); + let mut stdin = BufReader::new(stdin()); + let mut stdout = BufWriter::new(stdout()); - loop { - let mut frame = read_frame(&mut stdin, size); + loop { + let b: Block = bincode::decode_from_std_read(&mut stdin, standard()).unwrap(); + decode(&last_frame, &mut frame, View::all(size), &b); - let b = encode(&last_frame, &frame, View::all(size)); - decode(&last_frame, &mut frame, View::all(size), &b); + if let Some(debug_frame) = &mut debug_frame { + debug_frame.pixels.copy_from_slice(&frame.pixels); + draw_debug(debug_frame, View::all(size), &b); + write_frame(&mut stdout, &debug_frame); + } else { + write_frame(&mut stdout, &frame); + } - if let Some(debug_frame) = &mut debug_frame { - debug_frame.pixels.copy_from_slice(&frame.pixels); - draw_debug(debug_frame, View::all(size), &b); - write_frame(&mut stdout, &debug_frame); - } else { - write_frame(&mut stdout, &frame); + last_frame.pixels.copy_from_slice(&frame.pixels); + } } + Action::Encode { + block_size, + threshold, + } => { + let config = EncodeConfig { + threshold, + max_block_size: block_size, + }; + + let mut last_frame = Frame::new(size); - last_frame = frame; + let mut stdin = BufReader::new(stdin()); + let mut stdout = BufWriter::new(stdout()); + + for frame_number in 0.. { + eprintln!("encode frame {frame_number}"); + let mut frame = read_frame(&mut stdin, size); + + let b: Block = encode(&last_frame, &frame, View::all(size), &config); + bincode::encode_into_std_write(&b, &mut stdout, standard()).unwrap(); + + decode(&last_frame, &mut frame, View::all(size), &b); + last_frame = frame; + } + } } } -- cgit v1.2.3-70-g09d2