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https://github.com/osmarks/meme-search-engine.git
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video parsing basics
This commit is contained in:
parent
129b769a56
commit
5eae8674ce
99
Cargo.lock
generated
99
Cargo.lock
generated
@ -258,6 +258,26 @@ version = "1.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
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[[package]]
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name = "bindgen"
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version = "0.69.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a00dc851838a2120612785d195287475a3ac45514741da670b735818822129a0"
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dependencies = [
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"bitflags 2.5.0",
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"cexpr",
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"clang-sys",
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"itertools",
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"lazy_static",
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"lazycell",
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"proc-macro2",
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"quote",
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"regex",
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"rustc-hash",
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"shlex",
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"syn 2.0.65",
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]
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[[package]]
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name = "bit_field"
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version = "0.10.2"
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@ -356,6 +376,15 @@ dependencies = [
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"once_cell",
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]
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[[package]]
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name = "cexpr"
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version = "0.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
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dependencies = [
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"nom",
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]
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[[package]]
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name = "cfg-expr"
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version = "0.15.8"
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@ -386,6 +415,17 @@ dependencies = [
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"windows-targets 0.52.5",
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]
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[[package]]
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name = "clang-sys"
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version = "1.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a483f3cbf7cec2e153d424d0e92329d816becc6421389bd494375c6065921b9b"
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dependencies = [
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"glob",
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"libc",
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"libloading",
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]
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[[package]]
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name = "color_quant"
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version = "1.1.0"
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@ -688,6 +728,30 @@ dependencies = [
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"simd-adler32",
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]
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[[package]]
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name = "ffmpeg-sys-the-third"
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version = "2.0.0+ffmpeg-7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a82bfdb0a7925996707f0a7dc37b2f3251ff5a15d26e78c586adb60c240dedc5"
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dependencies = [
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"bindgen",
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"cc",
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"libc",
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"pkg-config",
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"vcpkg",
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]
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[[package]]
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name = "ffmpeg-the-third"
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version = "2.0.1+ffmpeg-7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c4aa99eb55979d5c1db3b0b7a807a5e50dda07f5f6c2dbc6e9b50c205f611646"
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dependencies = [
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"bitflags 2.5.0",
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"ffmpeg-sys-the-third",
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"libc",
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]
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[[package]]
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name = "finl_unicode"
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version = "1.2.0"
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@ -866,6 +930,12 @@ version = "0.28.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
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[[package]]
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name = "glob"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
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[[package]]
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name = "h2"
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version = "0.4.5"
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@ -1266,6 +1336,12 @@ dependencies = [
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"spin 0.5.2",
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]
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[[package]]
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name = "lazycell"
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version = "1.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
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[[package]]
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name = "lebe"
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version = "0.5.2"
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@ -1289,6 +1365,16 @@ dependencies = [
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"once_cell",
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]
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[[package]]
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name = "libloading"
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version = "0.8.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0c2a198fb6b0eada2a8df47933734e6d35d350665a33a3593d7164fa52c75c19"
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dependencies = [
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"cfg-if",
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"windows-targets 0.52.5",
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]
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[[package]]
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name = "libm"
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version = "0.2.8"
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@ -1399,6 +1485,7 @@ dependencies = [
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"chrono",
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"faiss",
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"fastrand",
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"ffmpeg-the-third",
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"fnv",
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"futures-util",
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"half",
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@ -2217,6 +2304,12 @@ version = "0.1.24"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
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[[package]]
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name = "rustc-hash"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
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[[package]]
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name = "rustix"
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version = "0.38.34"
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@ -2399,6 +2492,12 @@ dependencies = [
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"digest",
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]
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[[package]]
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name = "shlex"
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version = "1.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
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[[package]]
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name = "signal-hook-registry"
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version = "1.4.2"
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@ -39,10 +39,15 @@ url = "2"
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fastrand = "2"
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mimalloc = "0.1"
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sonic-rs = "0.3"
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ffmpeg-the-third = "2.0"
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[patch.crates-io]
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image = { git = "https://github.com/fintelia/image/", branch = "upgrade-zune-jpeg" }
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[[bin]]
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name = "reddit-dump"
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path = "src/reddit_dump.rs"
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path = "src/reddit_dump.rs"
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[[bin]]
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name = "video-reader"
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path = "src/video_reader.rs"
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@ -6,7 +6,7 @@ use anyhow::{Result, Context};
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use axum::body::Body;
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use axum::response::Response;
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use axum::{
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extract::Json,
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extract::{Json, DefaultBodyLimit},
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response::IntoResponse,
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routing::{get, post},
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Router,
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@ -860,7 +860,7 @@ async fn main() -> Result<()> {
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let client = client.clone();
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QUERIES_COUNTER.inc();
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handle_request(config, client.clone(), &index, req).await.map_err(|e| format!("{:?}", e))
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}))
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}).layer(DefaultBodyLimit::max(2<<24)))
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.route("/", get(|_req: ()| async move {
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Json(FrontendInit {
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n_total: index_.read().await.vectors.ntotal(),
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71
src/video_reader.rs
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71
src/video_reader.rs
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@ -0,0 +1,71 @@
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extern crate ffmpeg_the_third as ffmpeg;
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use anyhow::{Result, Context};
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use image::RgbImage;
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use std::env;
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use ffmpeg::{codec, filter, format::{self, Pixel}, media::Type, software::scaling, util::frame::video::Video};
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fn main() -> Result<()> {
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let mut ictx = format::input(&env::args().nth(1).unwrap()).context("parsing video")?;
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let video = ictx.streams().best(Type::Video).context("no video stream")?;
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let video_index = video.index();
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let context_decoder = codec::Context::from_parameters(video.parameters()).context("initializing decoder context")?;
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let mut decoder = context_decoder.decoder().video().context("initializing decoder")?;
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let mut graph = filter::Graph::new();
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let afr = video.avg_frame_rate();
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let afr = (((afr.0 as f32) / (afr.1 as f32)).round() as i64).max(1);
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// passing in the actual timebase breaks something, and the thumbnail filter should not need it
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graph.add(&filter::find("buffer").unwrap(), "in",
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&format!("video_size={}x{}:pix_fmt={}:time_base={}/{}:pixel_aspect={}/{}", decoder.width(), decoder.height(), decoder.format().descriptor().unwrap().name(), video.time_base().0, video.time_base().1, decoder.aspect_ratio().0, decoder.aspect_ratio().1))?;
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graph.add(&filter::find("buffersink").unwrap(), "out", "")?;
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graph.output("in", 0)?.input("out", 0)?.parse(&format!("[in] thumbnail=n={} [thumbs]; [thumbs] select='gt(scene,0.05)+eq(n,0)' [out]", afr)).context("filtergraph parse failed")?;
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let mut out = graph.get("out").unwrap();
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out.set_pixel_format(decoder.format());
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graph.validate().context("filtergraph build failed")?;
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let mut scaler = scaling::Context::get(
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decoder.format(),
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decoder.width(),
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decoder.height(),
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Pixel::RGB24,
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384,
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384,
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scaling::Flags::LANCZOS,
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)?;
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let mut count = 0;
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let mut receive_and_process_decoded_frames = |decoder: &mut ffmpeg::decoder::Video, filter_graph: &mut filter::Graph| -> Result<()> {
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let mut decoded = Video::empty();
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let mut filtered = Video::empty();
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let mut rgb_frame = Video::empty();
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loop {
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if !decoder.receive_frame(&mut decoded).is_ok() { break }
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let mut in_ctx = filter_graph.get("in").unwrap();
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let mut src = in_ctx.source();
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src.add(&decoded).context("add frame")?;
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while filter_graph.get("out").unwrap().sink().frame(&mut filtered).is_ok() {
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scaler.run(&filtered, &mut rgb_frame).context("scaler")?;
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println!("frame gotten {}x{} {:?} {}", rgb_frame.width(), rgb_frame.height(), rgb_frame.data(0).len(), count);
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let image = RgbImage::from_vec(rgb_frame.width(), rgb_frame.height(), rgb_frame.data(0).to_vec()).unwrap(); // unfortunately, we have to copy
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image.save(format!("/tmp/output-{}.png", count))?;
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count += 1;
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}
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}
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Ok(())
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};
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for (stream, packet) in ictx.packets().filter_map(Result::ok) {
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if stream.index() == video_index {
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decoder.send_packet(&packet).context("decoder")?;
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receive_and_process_decoded_frames(&mut decoder, &mut graph).context("processing")?;
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}
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}
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decoder.send_eof()?;
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receive_and_process_decoded_frames(&mut decoder, &mut graph)?;
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Ok(())
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}
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