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glimbus
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select wanted_frame_skip based on total video length

This commit is contained in:
Luna 2023-04-06 02:01:40 -03:00
parent da0d0c2c91
commit a24799e302
1 changed files with 24 additions and 19 deletions
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43
src/main.rs
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@ -1,23 +1,24 @@
use axum::body::Bytes;
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 filepath::FilePath;
use reqwest::header::WWW_AUTHENTICATE;
use serde::__private::de::FlatInternallyTaggedAccess;
use ffmpeg_cli::Parameter;
use futures_util::{future::ready, StreamExt};
use serde::{Deserialize, Serialize};
use std::collections::HashSet;
use std::io::Read;
use std::io::Write;
use std::process::Stdio;
#[tokio::main]
async fn main() {
pretty_env_logger::init();
// build our application with a single route
let app = Router::new().route("/", post(upload_file));
let app = Router::new()
.route("/", post(upload_file))
.layer(axum::extract::DefaultBodyLimit::max(100 * 1024 * 1024));
// run it with hyper on localhost:3000
axum::Server::bind(&"0.0.0.0:6679".parse().unwrap())
@ -44,7 +45,6 @@ struct AppError(anyhow::Error);
// Tell axum how to convert `AppError` into a response.
impl IntoResponse for AppError {
fn into_response(self) -> Response {
println!("amogus");
(
StatusCode::INTERNAL_SERVER_ERROR,
format!("Something went wrong: {}", self.0),
@ -103,12 +103,6 @@ async fn send_image_to_dd(
Ok(json_response)
}
use std::process::Stdio;
use ffmpeg_cli::Parameter;
use futures_util::{future::ready, StreamExt};
async fn fetch_frame_as_image(
input_path: &str,
output_path: &str,
@ -129,11 +123,15 @@ async fn fetch_frame_as_image(
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| {
dbg!(&x);
log::debug!("progress x value = {:?}", &x);
// lmao
// x.unwrap();
ready(())
@ -144,7 +142,7 @@ async fn fetch_frame_as_image(
let output = ffmpeg.process.wait_with_output().unwrap();
log::debug!("out");
println!(
log::debug!(
"{}\nstderr:\n{}",
output.status,
std::str::from_utf8(&output.stderr).unwrap()
@ -191,22 +189,29 @@ async fn upload_file(
let info = ffprobe::ffprobe(temp_file.path())?;
let stream = info.streams.get(0).unwrap();
let all_frames = stream.nb_frames.clone().unwrap().parse::<u32>()?;
let total_frame_count = stream.nb_frames.clone().unwrap().parse::<u32>()?;
let frame_rate_str = stream.r_frame_rate.clone();
let parts = frame_rate_str.split("/").into_iter().collect::<Vec<_>>();
let frame_rate =
parts.get(0).unwrap().parse::<u32>()? / parts.get(1).unwrap().parse::<u32>()?;
let wanted_frame_skip = frame_rate.try_into().unwrap(); // every second
let total_length_in_seconds = total_frame_count / frame_rate;
let wanted_frame_skip_seconds = match total_length_in_seconds {
0..=10 => 2,
11..=60 => 10,
61..=120 => 15,
121.. => 20,
};
let wanted_frame_skip = (wanted_frame_skip_seconds * frame_rate).try_into().unwrap();
let temporary_frame_dir = tempfile::tempdir()?;
let temporary_frame_path =
format!("{}/frame.png", temporary_frame_dir.path().to_string_lossy());
log::info!("path:{}", &temporary_frame_path);
log::info!("path: '{}'", &temporary_frame_path);
log::info!("wanted_frame_skip: {}", &wanted_frame_skip_seconds);
for frame_number in (0..all_frames).step_by(wanted_frame_skip) {
for frame_number in (0..total_frame_count).step_by(wanted_frame_skip) {
log::info!("extracting frame {:?}", frame_number);
fetch_frame_as_image(
temp_file.path().to_str().unwrap(),