glimbus/src/main.rs

416 lines
14 KiB
Rust

use axum::extract::{Multipart, Query};
use axum::http::StatusCode;
use axum::response::{IntoResponse, Response};
use axum::routing::post;
use axum::{Json, Router};
use axum_macros::debug_handler;
use base64::{engine::general_purpose, Engine as _};
use core::panic;
use ffmpeg_cli::Parameter;
use ffprobe::{Format, Stream};
use futures_util::{future::ready, StreamExt};
use serde::{Deserialize, Serialize};
use std::collections::{HashMap, HashSet};
use std::io::Read;
use std::io::Write;
use std::process::Stdio;
#[derive(Debug)]
enum Runner {
DeepDanbooru(String),
StableDiffusionWebUI(String),
}
fn get_upstream_runner() -> Runner {
match std::env::var("DD_ADDRESS") {
Ok(value) => Runner::DeepDanbooru(value),
Err(_) => match std::env::var("SD_ADDRESS") {
Ok(value) => Runner::StableDiffusionWebUI(value),
Err(_) => panic!("shit no addr"),
},
}
}
#[tokio::main]
async fn main() {
pretty_env_logger::init();
// build our application with a single route
let app = Router::new()
.route("/", post(upload_file))
.layer(axum::extract::DefaultBodyLimit::max(5 * 1024 * 1024 * 1024));
let upstream_runner = get_upstream_runner();
// run it with hyper on localhost:3000
log::info!("running on 0.0.0.0:6679 to {:?}", upstream_runner);
axum::Server::bind(&"0.0.0.0:6679".parse().unwrap())
.serve(app.into_make_service())
.await
.unwrap();
}
#[derive(Deserialize)]
struct Options {
threshold: String,
}
#[derive(Serialize, Deserialize)]
#[serde(untagged)]
enum WrappedResponse {
Tags(Vec<String>),
Error(String),
}
// Make our own error that wraps `anyhow::Error`.
struct AppError(anyhow::Error);
// Tell axum how to convert `AppError` into a response.
impl IntoResponse for AppError {
fn into_response(self) -> Response {
(
StatusCode::INTERNAL_SERVER_ERROR,
format!("Something went wrong: {}", self.0),
)
.into_response()
}
}
// This enables using `?` on functions that return `Result<_, anyhow::Error>` to turn them into
// `Result<_, AppError>`. That way you don't need to do that manually.
impl<E> From<E> for AppError
where
E: Into<anyhow::Error>,
{
fn from(err: E) -> Self {
Self(err.into())
}
}
#[derive(Serialize, Deserialize)]
struct WD14Response {
caption: HashMap<String, f32>,
}
async fn send_image_to_dd(
file_contents: Vec<u8>,
file_name: String,
file_mime_type: &str,
options: &Options,
) -> anyhow::Result<WrappedResponse> {
let part = reqwest::multipart::Part::bytes(file_contents.clone())
.file_name(file_name)
.mime_str(file_mime_type)
.unwrap();
let form = reqwest::multipart::Form::new().part("file", part);
let upstream_runner = get_upstream_runner();
match upstream_runner {
Runner::DeepDanbooru(url) => {
log::debug!("calling dd");
let resp = reqwest::Client::new()
.post(url)
.multipart(form)
.header("authorization", "Bearer 123")
.query(&[("threshold", options.threshold.clone())])
.send()
.await?;
let body = resp.text().await?;
log::info!("sd body: {}", &body);
let json_response: WrappedResponse = serde_json::from_str(&body)?;
log::debug!("called!");
Ok(json_response)
}
Runner::StableDiffusionWebUI(url) => {
log::debug!("calling sd");
let mut map: HashMap<&str, &str> = HashMap::new();
let file_base64 = general_purpose::STANDARD.encode(file_contents.clone());
map.insert("model", "wd14-vit-v2-git");
map.insert("threshold", options.threshold.as_ref());
map.insert("image", &file_base64);
let serialized_map = serde_json::to_vec(&map).unwrap();
let len = serialized_map.len();
log::info!("wd14 request length {} bytes", len);
let resp = reqwest::Client::new()
.post(format!("{}/tagger/v1/interrogate", url))
.body(serialized_map)
.send()
.await?;
let body = resp.text().await?;
log::info!("wd14 body: {}", &body);
let json_response: WD14Response = serde_json::from_str(&body)?;
// turn WD14Response into WrappedResponse
let mut tags = Vec::<String>::new();
for ele in json_response.caption {
tags.push(ele.0.clone());
}
log::debug!("called!");
Ok(WrappedResponse::Tags(tags))
}
}
}
async fn fetch_frame_as_image(
input_path: &str,
output_path: &str,
frame_index: usize,
frame_rate: f64, // X/1sec
) -> anyhow::Result<()> {
let timeline_index: f64 = frame_index as f64 / frame_rate;
let timeline_index_param = format!("{:.5}", timeline_index);
let builder = ffmpeg_cli::FfmpegBuilder::new()
.stderr(Stdio::piped())
.option(Parameter::Single("nostdin"))
.option(Parameter::Single("y"))
// fast seeking with -ss instead of select filter
.input(
ffmpeg_cli::File::new(input_path)
.option(Parameter::KeyValue("ss", &timeline_index_param)),
)
.output(ffmpeg_cli::File::new(output_path).option(Parameter::KeyValue("vframes", "1")));
log::debug!("running {:?}", builder);
let ffmpeg = builder.run().await.unwrap();
// TODO ffmpeg doesnt really provide a progress bar for this, its just
// a single frame being extracted. should ignoring x.unwrap() be the
// actual thing we gotta do?
log::debug!("run");
ffmpeg
.progress
.for_each(|x| {
log::debug!("progress x value = {:?}", &x);
// lmao
// x.unwrap();
ready(())
})
.await;
log::debug!("run!");
let output = ffmpeg.process.wait_with_output().unwrap();
log::debug!("out");
log::debug!(
"{}\nstderr:\n{}",
output.status,
std::str::from_utf8(&output.stderr).unwrap()
);
Ok(())
}
fn fetch_frame_count_full_decode(path: &std::path::Path) -> anyhow::Result<u64> {
let config = ffprobe::ConfigBuilder::new().count_frames(true).build();
let new_info = ffprobe::ffprobe_config(config, path)?;
let res = new_info
.streams
.get(0)
.unwrap()
.nb_read_frames
.clone()
.unwrap()
.parse::<u64>()?;
Ok(res)
}
fn calculate_frame_count(
path: &std::path::Path,
stream: &Stream,
format: &Format,
frame_rate: f64,
) -> anyhow::Result<u64> {
Ok(if let Some(parseable_data) = stream.nb_frames.clone() {
// if we can get it from the stream metadata, use it
parseable_data.parse::<u64>()?
} else if let Some(parseable_data) = format.try_get_duration() {
// this is a std::time::duration
// multiply that by frame rate and we get total frame count (approximate)
log::warn!("fetching duration from format metadata...");
let seconds = parseable_data?.as_secs_f64();
(seconds * frame_rate) as u64
} else {
log::warn!("file didn't provide frame metadata, calculating it ourselves...");
fetch_frame_count_full_decode(path)?
})
}
fn calculate_frame_rate(
temp_path: &std::path::Path,
frame_rate_str: String,
first_run: bool,
) -> anyhow::Result<f64> {
let parts = frame_rate_str.split("/").into_iter().collect::<Vec<_>>();
let frames_per = parts.get(0).unwrap().parse::<f64>()?;
let per_second = parts.get(1).unwrap().parse::<f64>()?;
if frames_per == 0.0f64 && per_second == 0.0f64 {
log::warn!("got incorrect frame rate, calling ffmpeg again...");
if !first_run {
std::panic!("couldnt get frame rate shit");
}
// call ffprobe directly
let mut cmd = std::process::Command::new("ffprobe");
let cmd = cmd.args(&[
"-v",
"error",
"-select_streams",
"v",
"-of",
"default=noprint_wrappers=1:nokey=1",
"-show_entries",
"stream=r_frame_rate",
]);
let cmd = cmd.arg(temp_path.to_str().unwrap());
cmd.get_args().for_each(|arg| {
log::debug!("arg {:?}", arg);
});
let output = cmd.output()?;
let possibly_new_frame_rate = String::from_utf8(output.stdout)?
.strip_suffix("\n")
.unwrap()
.to_string();
log::debug!("raw ffprobe gave {:?}", possibly_new_frame_rate);
calculate_frame_rate(temp_path.clone(), possibly_new_frame_rate, false)
} else {
Ok(frames_per / per_second)
}
}
#[debug_handler]
async fn upload_file(
options: Query<Options>,
mut multipart: Multipart,
) -> Result<(StatusCode, Json<WrappedResponse>), AppError> {
let mut maybe_file_contents: Option<axum::body::Bytes> = None;
let mut maybe_file_type: Option<String> = None;
let mut maybe_file_name: Option<String> = None;
while let Some(field) = multipart.next_field().await.unwrap() {
let name = field.name().unwrap().to_string();
let content_type = field.content_type().unwrap().to_string();
let filename = field.file_name().unwrap().to_string();
let data = field.bytes().await.unwrap();
log::info!("Length of `{}` is {} bytes", name, data.len());
if name == "file" {
maybe_file_contents = Some(data);
maybe_file_type = Some(content_type);
maybe_file_name = Some(filename);
}
}
if let Some(file_contents) = maybe_file_contents {
let file_type = maybe_file_type.unwrap();
let file_name = maybe_file_name.unwrap();
log::info!("file {} {}", file_type, file_name);
let is_video = file_type.starts_with("video/")
|| file_name.ends_with(".mp4")
|| file_name.ends_with(".gif")
|| file_name.ends_with(".webm");
if is_video {
let mut final_tag_set = HashSet::new();
let mut temp_file = tempfile::NamedTempFile::new()?;
temp_file.write_all(&file_contents.to_vec())?;
log::debug!("tmp path: {:?}", temp_file.path());
let info = ffprobe::ffprobe(temp_file.path())?;
let stream = info.streams.get(0).unwrap();
log::debug!("stream = {:?}", stream);
log::debug!("format = {:?}", info.format);
let frame_rate: f64 =
calculate_frame_rate(temp_file.path(), stream.r_frame_rate.clone(), true)?;
let total_frame_count =
calculate_frame_count(temp_file.path(), &stream, &info.format, frame_rate)?;
log::debug!("total frame count = {}", total_frame_count);
log::debug!("frame rate = {}", frame_rate);
let total_length_in_seconds = total_frame_count as f64 / frame_rate;
let wanted_frame_skip_seconds = match total_length_in_seconds as usize {
0..=10 => 2,
11..=60 => 10,
61..=120 => 15,
121..=300 => 20,
301..=1000 => 30,
1001..=1200 => 40,
1201.. => 60,
_ => 63,
} as f64;
let wanted_frame_skip = wanted_frame_skip_seconds * frame_rate;
let temporary_frame_dir = tempfile::tempdir()?;
let temporary_frame_path =
format!("{}/frame.png", temporary_frame_dir.path().to_string_lossy());
log::info!("frame path: '{}'", &temporary_frame_path);
log::info!("wanted_frame_skip: {}", &wanted_frame_skip_seconds);
for frame_number in (0..total_frame_count).step_by(wanted_frame_skip as usize) {
log::info!("extracting frame {:?}", frame_number);
fetch_frame_as_image(
temp_file.path().to_str().unwrap(),
&temporary_frame_path,
frame_number.try_into().unwrap(),
frame_rate,
)
.await?;
log::info!("extracted frame {:?}", frame_number);
let mut actual_frame_file = std::fs::File::open(&temporary_frame_path)?;
let mut frame_data = vec![];
actual_frame_file.read_to_end(&mut frame_data)?;
log::info!("sending frame {:?}", frame_number);
let tags_from_frame = if let WrappedResponse::Tags(tags_from_frame) =
send_image_to_dd(frame_data, "amongus.png".to_string(), "image/png", &options)
.await?
{
tags_from_frame
} else {
todo!()
};
for tag in tags_from_frame {
final_tag_set.insert(tag);
}
}
let response = WrappedResponse::Tags(final_tag_set.into_iter().collect::<Vec<_>>());
Ok((StatusCode::OK, Json(response)))
} else {
if !file_type.starts_with("image/") {
log::warn!("warning: mimetype {} is not image/", file_type);
}
let json_response =
send_image_to_dd(file_contents.to_vec(), file_name, &file_type, &options).await?;
Ok((StatusCode::OK, Json(json_response)))
}
} else {
Ok((
StatusCode::INTERNAL_SERVER_ERROR,
Json(WrappedResponse::Error(
"no file found in request".to_string(),
)),
))
}
}