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||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rustc-hash"
|
||||||
|
version = "2.1.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "shlex"
|
||||||
|
version = "1.3.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "strsim"
|
||||||
|
version = "0.11.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "2.0.117"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "term_size"
|
||||||
|
version = "0.3.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1e4129646ca0ed8f45d09b929036bafad5377103edd06e50bf574b353d2b08d9"
|
||||||
|
dependencies = [
|
||||||
|
"libc",
|
||||||
|
"winapi",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "termshrek"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"clap",
|
||||||
|
"ffmpeg-next",
|
||||||
|
"term_size",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-ident"
|
||||||
|
version = "1.0.24"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "utf8parse"
|
||||||
|
version = "0.2.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "vcpkg"
|
||||||
|
version = "0.2.15"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi"
|
||||||
|
version = "0.3.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||||
|
dependencies = [
|
||||||
|
"winapi-i686-pc-windows-gnu",
|
||||||
|
"winapi-x86_64-pc-windows-gnu",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-i686-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi-x86_64-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-link"
|
||||||
|
version = "0.2.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-sys"
|
||||||
|
version = "0.61.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
|
||||||
|
dependencies = [
|
||||||
|
"windows-link",
|
||||||
|
]
|
||||||
9
termshrek/Cargo.toml
Normal file
9
termshrek/Cargo.toml
Normal file
@@ -0,0 +1,9 @@
|
|||||||
|
[package]
|
||||||
|
name = "termshrek"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2024"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
clap = { version = "4.5.60", features = ["derive"] }
|
||||||
|
ffmpeg-next = "8.0.0"
|
||||||
|
term_size = "0.3.2"
|
||||||
284
termshrek/src/main.rs
Normal file
284
termshrek/src/main.rs
Normal file
@@ -0,0 +1,284 @@
|
|||||||
|
// TODO CLI tool, read resolution of term
|
||||||
|
|
||||||
|
use std::{
|
||||||
|
io::{self, Write},
|
||||||
|
path::Path,
|
||||||
|
thread,
|
||||||
|
time::{Duration, Instant},
|
||||||
|
};
|
||||||
|
|
||||||
|
use clap::{Parser, ValueEnum};
|
||||||
|
use ffmpeg::software::scaling::{context::Context as ScalingContext, flag::Flags};
|
||||||
|
use ffmpeg::util::format::pixel::Pixel;
|
||||||
|
use ffmpeg_next as ffmpeg;
|
||||||
|
|
||||||
|
// const ASCII_GRADIENT: &[char] = &[' ', '░', '▒', '▓', '█'];
|
||||||
|
const ASCII_GRADIENT: &[char] = &[' ', '▁', '▂', '▃', '▄', '▅', '▆', '▇', '█'];
|
||||||
|
|
||||||
|
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, ValueEnum)]
|
||||||
|
enum ArtStyle {
|
||||||
|
Pixel,
|
||||||
|
Ascii,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Parser)]
|
||||||
|
struct Args {
|
||||||
|
#[arg(short, long, default_value_t = true)]
|
||||||
|
keep_ar: bool,
|
||||||
|
#[arg(short, long, default_value_t = false)]
|
||||||
|
loop_video: bool,
|
||||||
|
#[arg(short, long, value_enum, default_value_t =ArtStyle::Pixel)]
|
||||||
|
art_style: ArtStyle,
|
||||||
|
}
|
||||||
|
|
||||||
|
struct VideoReader {
|
||||||
|
input: ffmpeg::format::context::Input,
|
||||||
|
fps: f32,
|
||||||
|
aspect_ratio: f32,
|
||||||
|
dims: (u32, u32),
|
||||||
|
decoder: ffmpeg::decoder::Video,
|
||||||
|
scaler: ScalingContext,
|
||||||
|
stream_index: usize,
|
||||||
|
frame: ffmpeg::util::frame::Video,
|
||||||
|
rgb_frame: ffmpeg::util::frame::Video,
|
||||||
|
loop_video: bool,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl VideoReader {
|
||||||
|
fn new(path: &Path, loop_video: bool, term_width: usize, term_height: usize) -> Self {
|
||||||
|
ffmpeg::init().unwrap();
|
||||||
|
|
||||||
|
let input = ffmpeg::format::input(path).unwrap();
|
||||||
|
|
||||||
|
let stream = input
|
||||||
|
.streams()
|
||||||
|
.best(ffmpeg::media::Type::Video)
|
||||||
|
.expect("video stream not found");
|
||||||
|
|
||||||
|
let framerate = stream.avg_frame_rate();
|
||||||
|
let framerate_f32 = framerate.numerator() as f32 / framerate.denominator() as f32;
|
||||||
|
|
||||||
|
let stream_index = stream.index();
|
||||||
|
|
||||||
|
let codec_context =
|
||||||
|
ffmpeg::codec::context::Context::from_parameters(stream.parameters()).unwrap();
|
||||||
|
|
||||||
|
let decoder = codec_context.decoder().video().unwrap();
|
||||||
|
|
||||||
|
// Find aspect ratio
|
||||||
|
let width = decoder.width();
|
||||||
|
let height = decoder.height();
|
||||||
|
|
||||||
|
let sar = decoder.aspect_ratio();
|
||||||
|
|
||||||
|
let sar_f32 = if sar.denominator() != 0 {
|
||||||
|
sar.numerator() as f32 / sar.denominator() as f32
|
||||||
|
} else {
|
||||||
|
1.0
|
||||||
|
};
|
||||||
|
|
||||||
|
let dar = (width as f32 / height as f32) * sar_f32;
|
||||||
|
|
||||||
|
// Find target resolution
|
||||||
|
let target_width;
|
||||||
|
let target_height;
|
||||||
|
|
||||||
|
let prep_term_height = (term_height - 2) * 2;
|
||||||
|
|
||||||
|
if dar > term_width as f32 / (prep_term_height) as f32 {
|
||||||
|
target_height = (term_width as f32 / dar).floor() as u32;
|
||||||
|
target_width = term_width as u32;
|
||||||
|
} else {
|
||||||
|
target_height = (prep_term_height) as u32;
|
||||||
|
target_width = ((prep_term_height) as f32 * dar).floor() as u32;
|
||||||
|
}
|
||||||
|
|
||||||
|
let scaler = ScalingContext::get(
|
||||||
|
decoder.format(),
|
||||||
|
width,
|
||||||
|
height,
|
||||||
|
Pixel::RGB24,
|
||||||
|
target_width,
|
||||||
|
target_height.div_euclid(2) * 2,
|
||||||
|
Flags::BILINEAR,
|
||||||
|
)
|
||||||
|
.unwrap();
|
||||||
|
|
||||||
|
Self {
|
||||||
|
input,
|
||||||
|
fps: framerate_f32,
|
||||||
|
aspect_ratio: dar,
|
||||||
|
dims: (target_width, target_height.div_euclid(2) * 2),
|
||||||
|
decoder,
|
||||||
|
scaler,
|
||||||
|
stream_index,
|
||||||
|
frame: ffmpeg::util::frame::Video::empty(),
|
||||||
|
rgb_frame: ffmpeg::util::frame::Video::empty(),
|
||||||
|
loop_video,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn extract_frame_data(&mut self) -> Vec<[u8; 2]> {
|
||||||
|
self.scaler.run(&self.frame, &mut self.rgb_frame).unwrap();
|
||||||
|
|
||||||
|
let width = self.rgb_frame.width() as usize;
|
||||||
|
let height = self.rgb_frame.height() as usize;
|
||||||
|
let stride = self.rgb_frame.stride(0);
|
||||||
|
|
||||||
|
let mut rgb: Vec<[u8; 2]> = Vec::with_capacity(width * height * 3);
|
||||||
|
|
||||||
|
let mut y = 0;
|
||||||
|
while y < height {
|
||||||
|
let upper = y * stride;
|
||||||
|
let lower = (y + 1) * stride;
|
||||||
|
let row_upper = &self.rgb_frame.data(0)[upper..upper + width * 3];
|
||||||
|
let row_lower = &self.rgb_frame.data(0)[lower..lower + width * 3];
|
||||||
|
let dualrow: Vec<[u8; 2]> = row_upper
|
||||||
|
.iter()
|
||||||
|
.zip(row_lower.iter())
|
||||||
|
.map(|(&x, &y)| [x, y])
|
||||||
|
.collect();
|
||||||
|
rgb.extend(dualrow);
|
||||||
|
y += 2
|
||||||
|
}
|
||||||
|
|
||||||
|
return rgb;
|
||||||
|
}
|
||||||
|
|
||||||
|
fn next_frame(&mut self) -> Option<Vec<[u8; 2]>> {
|
||||||
|
let mut packets_iter = self.input.packets();
|
||||||
|
loop {
|
||||||
|
if let Some((stream, packet)) = packets_iter.next() {
|
||||||
|
if stream.index() != self.stream_index {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
self.decoder.send_packet(&packet).unwrap();
|
||||||
|
|
||||||
|
if let Ok(_) = self.decoder.receive_frame(&mut self.frame) {
|
||||||
|
return Some(self.extract_frame_data());
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
self.decoder.flush();
|
||||||
|
self.input.seek(0, ..).unwrap();
|
||||||
|
packets_iter = self.input.packets();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn render_pixel_art(frame: &Vec<[u8; 2]>, reader: &VideoReader, buf: &mut Vec<u8>) {
|
||||||
|
for row in 0..reader.dims.1 / 2 {
|
||||||
|
for col in 0..reader.dims.0 {
|
||||||
|
let idx = 3 * (row * reader.dims.0 + col);
|
||||||
|
let reds = frame.get(idx as usize).unwrap_or_else(|| {
|
||||||
|
panic!("Index: {idx} is out of bounds at row {row} and col {col}. ")
|
||||||
|
});
|
||||||
|
let greens = frame.get((idx + 1) as usize).unwrap_or_else(|| {
|
||||||
|
panic!("Index: {idx} is out of bounds at row {row} and col {col}. ")
|
||||||
|
});
|
||||||
|
|
||||||
|
let blues = frame.get((idx + 2) as usize).unwrap_or_else(|| {
|
||||||
|
panic!("Index: {idx} is out of bounds at row {row} and col {col}. ")
|
||||||
|
});
|
||||||
|
|
||||||
|
buf.extend_from_slice(
|
||||||
|
format!(
|
||||||
|
"\x1b[48;2;{br};{bg};{bb}m\x1b[38;2;{tr};{tg};{tb}m▀",
|
||||||
|
br = reds[1],
|
||||||
|
bg = greens[1],
|
||||||
|
bb = blues[1],
|
||||||
|
tr = reds[0],
|
||||||
|
tg = greens[0],
|
||||||
|
tb = blues[0],
|
||||||
|
)
|
||||||
|
.as_bytes(),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
buf.extend_from_slice(b"\x1b[0m\n");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn luminance(r: u8, g: u8, b: u8) -> f32 {
|
||||||
|
let res = 0.2126 * f32::try_from(r).unwrap_or_else(|e| unreachable!("{e}"))
|
||||||
|
+ 0.7152 * f32::try_from(g).unwrap_or_else(|e| unreachable!("{e}"))
|
||||||
|
+ 0.0722 * f32::try_from(b).unwrap_or_else(|e| unreachable!("{e}"));
|
||||||
|
res
|
||||||
|
}
|
||||||
|
|
||||||
|
fn render_ascii_art(frame: &Vec<[u8; 2]>, reader: &VideoReader, buf: &mut Vec<u8>) {
|
||||||
|
for row in 0..reader.dims.1 / 2 {
|
||||||
|
for col in 0..reader.dims.0 {
|
||||||
|
let idx = 3 * (row * reader.dims.0 + col);
|
||||||
|
let reds = frame.get(idx as usize).unwrap_or_else(|| {
|
||||||
|
panic!("Index: {idx} is out of bounds at row {row} and col {col}. ")
|
||||||
|
});
|
||||||
|
let greens = frame.get((idx + 1) as usize).unwrap();
|
||||||
|
let blues = frame.get((idx + 2) as usize).unwrap();
|
||||||
|
|
||||||
|
// color
|
||||||
|
// buf.extend_from_slice(
|
||||||
|
// format!(
|
||||||
|
// "\x1b[38;2;{tr};{tg};{tb}m",
|
||||||
|
// tr = reds[0],
|
||||||
|
// tg = greens[0],
|
||||||
|
// tb = blues[0],
|
||||||
|
// )
|
||||||
|
// .as_bytes(),
|
||||||
|
// );
|
||||||
|
let mut extend = [0u8; 4];
|
||||||
|
buf.extend_from_slice(
|
||||||
|
ASCII_GRADIENT[(luminance(reds[0], greens[0], blues[0])) as usize
|
||||||
|
* (ASCII_GRADIENT.len() - 1)
|
||||||
|
/ 255]
|
||||||
|
.encode_utf8(&mut extend)
|
||||||
|
.as_bytes(),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
buf.extend_from_slice(b"\x1b[0m\n");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let args = Args::parse();
|
||||||
|
|
||||||
|
let term_dims =
|
||||||
|
term_size::dimensions().unwrap_or_else(|| panic!("Could not find terminal dimensions"));
|
||||||
|
|
||||||
|
let mut reader = VideoReader::new(
|
||||||
|
Path::new("/home/jan/Videos/rotating_panda.mkv"),
|
||||||
|
args.loop_video,
|
||||||
|
term_dims.0,
|
||||||
|
term_dims.1,
|
||||||
|
);
|
||||||
|
|
||||||
|
let frame_duration_micros: Duration =
|
||||||
|
Duration::from_micros((1_000_000.0 / reader.fps).floor() as u64);
|
||||||
|
|
||||||
|
let mut out = io::stdout().lock();
|
||||||
|
let mut buf: Vec<u8> = Vec::new();
|
||||||
|
let start_time = Instant::now();
|
||||||
|
|
||||||
|
// Clear screen and hide cursor
|
||||||
|
let _ = out.write_all(b"\x1b[2J\x1b[?25l");
|
||||||
|
|
||||||
|
while let Some(frame) = reader.next_frame() {
|
||||||
|
let time = start_time.elapsed();
|
||||||
|
|
||||||
|
buf.extend_from_slice(b"\x1b[J\x1b[H"); // move to start
|
||||||
|
match args.art_style {
|
||||||
|
ArtStyle::Pixel => render_pixel_art(&frame, &reader, &mut buf),
|
||||||
|
ArtStyle::Ascii => render_ascii_art(&frame, &reader, &mut buf),
|
||||||
|
}
|
||||||
|
|
||||||
|
let _ = out.write_all(&buf);
|
||||||
|
let _ = out.flush();
|
||||||
|
|
||||||
|
buf.clear();
|
||||||
|
|
||||||
|
let sleep_time = frame_duration_micros - (start_time.elapsed() - time);
|
||||||
|
if sleep_time.as_micros() > 0 {
|
||||||
|
thread::sleep(sleep_time);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user