Initial commit: Video analyzer with ffmpeg-next
This commit is contained in:
11
.cargo/config.toml
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11
.cargo/config.toml
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@@ -0,0 +1,11 @@
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[target.aarch64-apple-darwin]
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rustflags = [
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"-L", "/opt/homebrew/lib",
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"-l", "c++"
|
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]
|
||||
|
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[target.x86_64-apple-darwin]
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rustflags = [
|
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"-L", "/usr/local/lib",
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"-l", "c++"
|
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]
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4
.gitignore
vendored
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4
.gitignore
vendored
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@@ -0,0 +1,4 @@
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/target/
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*.rs.bk
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.DS_Store
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test.mp4
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279
Cargo.lock
generated
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279
Cargo.lock
generated
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@@ -0,0 +1,279 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 4
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dependencies = [
|
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"memchr",
|
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]
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||||
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[[package]]
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|
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|
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"bitflags",
|
||||
"cexpr",
|
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"clang-sys",
|
||||
"itertools",
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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",
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]
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[[package]]
|
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|
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"find-msvc-tools",
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"shlex",
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]
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[[package]]
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name = "cexpr"
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[[package]]
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[[package]]
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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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[[package]]
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name = "ffmpeg-next"
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version = "8.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d658424d233cbd993a972dd73a66ca733acd12a494c68995c9ac32ae1fe65b40"
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dependencies = [
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"bitflags",
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"ffmpeg-sys-next",
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"libc",
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]
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[[package]]
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name = "ffmpeg-sys-next"
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version = "8.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9bca20aa4ee774fe384c2490096c122b0b23cf524a9910add0686691003d797b"
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dependencies = [
|
||||
"bindgen",
|
||||
"cc",
|
||||
"libc",
|
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"num_cpus",
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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 = "find-msvc-tools"
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version = "0.1.9"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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|
||||
[[package]]
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||||
name = "glob"
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||||
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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||||
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|
||||
[[package]]
|
||||
name = "itertools"
|
||||
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|
||||
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||||
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dependencies = [
|
||||
"either",
|
||||
]
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||||
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[[package]]
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||||
name = "libc"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6800badb6cb2082ffd7b6a67e6125bb39f18782f793520caee8cb8846be06112"
|
||||
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||||
[[package]]
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||||
name = "libloading"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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|
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dependencies = [
|
||||
"cfg-if",
|
||||
"windows-link",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "memchr"
|
||||
version = "2.8.0"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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||||
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||||
dependencies = [
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||||
"memchr",
|
||||
"minimal-lexical",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num_cpus"
|
||||
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||||
dependencies = [
|
||||
"hermit-abi",
|
||||
"libc",
|
||||
]
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||||
|
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[[package]]
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||||
name = "pkg-config"
|
||||
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||||
|
||||
[[package]]
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||||
name = "proc-macro2"
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||||
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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dependencies = [
|
||||
"unicode-ident",
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||||
]
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[[package]]
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||||
name = "quote"
|
||||
version = "1.0.44"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "21b2ebcf727b7760c461f091f9f0f539b77b8e87f2fd88131e7f1b433b3cece4"
|
||||
dependencies = [
|
||||
"proc-macro2",
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||||
]
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||||
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||||
[[package]]
|
||||
name = "regex"
|
||||
version = "1.12.3"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276"
|
||||
dependencies = [
|
||||
"aho-corasick",
|
||||
"memchr",
|
||||
"regex-automata",
|
||||
"regex-syntax",
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||||
]
|
||||
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||||
[[package]]
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||||
name = "regex-automata"
|
||||
version = "0.4.14"
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||||
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||||
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||||
dependencies = [
|
||||
"aho-corasick",
|
||||
"memchr",
|
||||
"regex-syntax",
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]
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[[package]]
|
||||
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||||
"quote",
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||||
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||||
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||||
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||||
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||||
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||||
[[package]]
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||||
name = "vcpkg"
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||||
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|
||||
|
||||
[[package]]
|
||||
name = "video_analyzer"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"ffmpeg-next",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-link"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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|
||||
12
Cargo.toml
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12
Cargo.toml
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@@ -0,0 +1,12 @@
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[package]
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||||
name = "video_analyzer"
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||||
version = "0.1.0"
|
||||
edition = "2024"
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||||
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||||
[dependencies]
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# 啟用 "static" feature 進行靜態編譯
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||||
# 注意：版本號可能需要根據實際情況調整，目前推薦使用 7.0 或最新版本
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ffmpeg-next = { version = "8.0", features = ["static"] }
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# [可選] 如果你希望進一步減小體積或指定編譯選項，可以添加 build-dependencies
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# 但通常 ffmpeg-next 的 static feature 會自動處理大部分事情
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14
README.md
14
README.md
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# Video Analyzer
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A Rust-based tool to analyze video file metadata using FFmpeg.
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## Features
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- Extract video format, resolution, duration
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- Analyze audio streams (sample rate, channels)
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- Static/Dynamic linking support
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## Usage
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||||
```bash
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||||
cargo build --release
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||||
./target/release/video_analyzer <video_file>
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||||
```
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||||
135
src/main.rs
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135
src/main.rs
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@@ -0,0 +1,135 @@
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use ffmpeg_next as ffmpeg;
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use ffmpeg::format::{input, Pixel};
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use ffmpeg::media::Type;
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use ffmpeg::codec::{context::Context, decoder};
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use std::path::Path;
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||||
|
||||
fn main() -> Result<(), Box<dyn std::error::Error>> {
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||||
ffmpeg::init()?;
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||||
|
||||
let input_path = "test.mp4";
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||||
|
||||
if !Path::new(input_path).exists() {
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||||
eprintln!("錯誤：找不到檔案 '{}'", input_path);
|
||||
eprintln!("請將一個視頻文件重命名為 'test.mp4' 並放在專案根目錄。");
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
let ictx = input(&input_path)?;
|
||||
|
||||
println!("=== 檔案基本資訊 ===");
|
||||
println!("格式名稱 (Format): {}", ictx.format().name());
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||||
println!("長描述: {}", ictx.format().description());
|
||||
|
||||
let duration_sec = ictx.duration() as f64 / ffmpeg::ffi::AV_TIME_BASE as f64;
|
||||
println!("總長度 (Duration): {:.2} 秒", duration_sec);
|
||||
|
||||
println!("\n=== 串流資訊 ===");
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||||
|
||||
for (index, stream) in ictx.streams().enumerate() {
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||||
let codec_params = stream.parameters();
|
||||
let codec_id = codec_params.id();
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||||
let media_type = codec_params.medium();
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||||
|
||||
println!("[串流 #{}]", index);
|
||||
println!(" 類型: {:?}", media_type);
|
||||
println!(" 編碼器 ID: {:?}", codec_id);
|
||||
|
||||
if let Some(codec_descriptor) = decoder::find(codec_id) {
|
||||
let mut context = Context::new_with_codec(codec_descriptor);
|
||||
|
||||
if let Err(e) = context.set_parameters(codec_params) {
|
||||
eprintln!(" 警告：無法設置參數: {}", e);
|
||||
continue;
|
||||
}
|
||||
|
||||
unsafe {
|
||||
let ptr = context.as_mut_ptr();
|
||||
|
||||
match media_type {
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||||
Type::Video => {
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||||
let width = (*ptr).width;
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||||
let height = (*ptr).height;
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||||
let pix_fmt_val = (*ptr).pix_fmt;
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||||
let format = Pixel::from(pix_fmt_val);
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||||
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||||
let frame_rate = stream.avg_frame_rate();
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||||
let fps = if frame_rate.numerator() != 0 {
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||||
frame_rate.numerator() as f64 / frame_rate.denominator() as f64
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} else {
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||||
0.0
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||||
};
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||||
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||||
println!(" 解析度: {}x{}", width, height);
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||||
println!(" 像素格式: {:?}", format);
|
||||
println!(" 幀率: {:.2} fps", fps);
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||||
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||||
if let Some(codec_name) = context.codec() {
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||||
println!(" 編碼器名稱: {}", codec_name.name());
|
||||
}
|
||||
},
|
||||
Type::Audio => {
|
||||
let sample_rate = (*ptr).sample_rate;
|
||||
|
||||
// 【關鍵修復】新版本使用 ch_layout.nb_channels 獲取聲道數
|
||||
// ch_layout 是一個 AVChannelLayout 結構體
|
||||
let channels = (*ptr).ch_layout.nb_channels;
|
||||
|
||||
let sample_fmt_val = (*ptr).sample_fmt;
|
||||
let format = ffmpeg::format::Sample::from(sample_fmt_val);
|
||||
|
||||
println!(" 採樣率: {} Hz", sample_rate);
|
||||
println!(" 聲道數: {}", channels);
|
||||
println!(" 音訊格式: {:?}", format);
|
||||
|
||||
// 可選：打印聲道佈局描述 (例如 "stereo", "5.1")
|
||||
// 需要引入 ffi 來調用 av_channel_layout_describe
|
||||
/*
|
||||
let mut buf = vec![0u8; 1024];
|
||||
let ret = ffmpeg::ffi::av_channel_layout_describe(
|
||||
&(*ptr).ch_layout,
|
||||
buf.as_mut_ptr() as *mut i8,
|
||||
buf.len() as i32
|
||||
);
|
||||
if ret >= 0 {
|
||||
if let Ok(layout_str) = std::ffi::CStr::from_bytes_until_nul(&buf) {
|
||||
println!(" 聲道佈局: {}", layout_str.to_string_lossy());
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
if let Some(codec_name) = context.codec() {
|
||||
println!(" 編碼器名稱: {}", codec_name.name());
|
||||
}
|
||||
},
|
||||
Type::Subtitle => {
|
||||
println!(" (字幕串流)");
|
||||
if let Some(codec_name) = context.codec() {
|
||||
println!(" 編碼器名稱: {}", codec_name.name());
|
||||
}
|
||||
},
|
||||
_ => {
|
||||
println!(" (其他類型串流)");
|
||||
if let Some(codec_name) = context.codec() {
|
||||
println!(" 編碼器名稱: {}", codec_name.name());
|
||||
}
|
||||
}
|
||||
}
|
||||
} // end unsafe
|
||||
} else {
|
||||
println!(" (未找到對應的解碼器)");
|
||||
}
|
||||
|
||||
// 輸出 Metadata
|
||||
for (key, value) in stream.metadata().iter() {
|
||||
println!(" Metadata [{}]: {}", key, value);
|
||||
}
|
||||
}
|
||||
|
||||
println!("\n=== 檔案 Metadata ===");
|
||||
for (key, value) in ictx.metadata().iter() {
|
||||
println!("{}: {}", key, value);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
135
src/main.rs.bak
Normal file
135
src/main.rs.bak
Normal file
@@ -0,0 +1,135 @@
|
||||
use ffmpeg_next as ffmpeg;
|
||||
use ffmpeg::format::{input, Pixel};
|
||||
use ffmpeg::media::Type;
|
||||
use ffmpeg::codec::{context::Context, decoder};
|
||||
use std::path::Path;
|
||||
|
||||
fn main() -> Result<(), Box<dyn std::error::Error>> {
|
||||
ffmpeg::init()?;
|
||||
|
||||
let input_path = "test.mp4";
|
||||
|
||||
if !Path::new(input_path).exists() {
|
||||
eprintln!("錯誤：找不到檔案 '{}'", input_path);
|
||||
eprintln!("請將一個視頻文件重命名為 'test.mp4' 並放在專案根目錄。");
|
||||
return Ok(());
|
||||
}
|
||||
|
||||
let mut ictx = input(&input_path)?;
|
||||
|
||||
println!("=== 檔案基本資訊 ===");
|
||||
println!("格式名稱 (Format): {}", ictx.format().name());
|
||||
println!("長描述: {}", ictx.format().description());
|
||||
|
||||
let duration_sec = ictx.duration() as f64 / ffmpeg::ffi::AV_TIME_BASE as f64;
|
||||
println!("總長度 (Duration): {:.2} 秒", duration_sec);
|
||||
|
||||
println!("\n=== 串流資訊 ===");
|
||||
|
||||
for (index, stream) in ictx.streams().enumerate() {
|
||||
let codec_params = stream.parameters();
|
||||
let codec_id = codec_params.id();
|
||||
let media_type = codec_params.medium();
|
||||
|
||||
println!("[串流 #{}]", index);
|
||||
println!(" 類型: {:?}", media_type);
|
||||
println!(" 編碼器 ID: {:?}", codec_id);
|
||||
|
||||
if let Some(codec_descriptor) = decoder::find(codec_id) {
|
||||
let mut context = Context::new_with_codec(codec_descriptor);
|
||||
|
||||
if let Err(e) = context.set_parameters(codec_params) {
|
||||
eprintln!(" 警告：無法設置參數: {}", e);
|
||||
continue;
|
||||
}
|
||||
|
||||
unsafe {
|
||||
let ptr = context.as_mut_ptr();
|
||||
|
||||
match media_type {
|
||||
Type::Video => {
|
||||
let width = (*ptr).width;
|
||||
let height = (*ptr).height;
|
||||
let pix_fmt_val = (*ptr).pix_fmt;
|
||||
let format = Pixel::from(pix_fmt_val);
|
||||
|
||||
let frame_rate = stream.avg_frame_rate();
|
||||
let fps = if frame_rate.numerator() != 0 {
|
||||
frame_rate.numerator() as f64 / frame_rate.denominator() as f64
|
||||
} else {
|
||||
0.0
|
||||
};
|
||||
|
||||
println!(" 解析度: {}x{}", width, height);
|
||||
println!(" 像素格式: {:?}", format);
|
||||
println!(" 幀率: {:.2} fps", fps);
|
||||
|
||||
if let Some(codec_name) = context.codec() {
|
||||
println!(" 編碼器名稱: {}", codec_name.name());
|
||||
}
|
||||
},
|
||||
Type::Audio => {
|
||||
let sample_rate = (*ptr).sample_rate;
|
||||
|
||||
// 【關鍵修復】新版本使用 ch_layout.nb_channels 獲取聲道數
|
||||
// ch_layout 是一個 AVChannelLayout 結構體
|
||||
let channels = (*ptr).ch_layout.nb_channels;
|
||||
|
||||
let sample_fmt_val = (*ptr).sample_fmt;
|
||||
let format = ffmpeg::format::Sample::from(sample_fmt_val);
|
||||
|
||||
println!(" 採樣率: {} Hz", sample_rate);
|
||||
println!(" 聲道數: {}", channels);
|
||||
println!(" 音訊格式: {:?}", format);
|
||||
|
||||
// 可選：打印聲道佈局描述 (例如 "stereo", "5.1")
|
||||
// 需要引入 ffi 來調用 av_channel_layout_describe
|
||||
/*
|
||||
let mut buf = vec![0u8; 1024];
|
||||
let ret = ffmpeg::ffi::av_channel_layout_describe(
|
||||
&(*ptr).ch_layout,
|
||||
buf.as_mut_ptr() as *mut i8,
|
||||
buf.len() as i32
|
||||
);
|
||||
if ret >= 0 {
|
||||
if let Ok(layout_str) = std::ffi::CStr::from_bytes_until_nul(&buf) {
|
||||
println!(" 聲道佈局: {}", layout_str.to_string_lossy());
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
if let Some(codec_name) = context.codec() {
|
||||
println!(" 編碼器名稱: {}", codec_name.name());
|
||||
}
|
||||
},
|
||||
Type::Subtitle => {
|
||||
println!(" (字幕串流)");
|
||||
if let Some(codec_name) = context.codec() {
|
||||
println!(" 編碼器名稱: {}", codec_name.name());
|
||||
}
|
||||
},
|
||||
_ => {
|
||||
println!(" (其他類型串流)");
|
||||
if let Some(codec_name) = context.codec() {
|
||||
println!(" 編碼器名稱: {}", codec_name.name());
|
||||
}
|
||||
}
|
||||
}
|
||||
} // end unsafe
|
||||
} else {
|
||||
println!(" (未找到對應的解碼器)");
|
||||
}
|
||||
|
||||
// 輸出 Metadata
|
||||
for (key, value) in stream.metadata().iter() {
|
||||
println!(" Metadata [{}]: {}", key, value);
|
||||
}
|
||||
}
|
||||
|
||||
println!("\n=== 檔案 Metadata ===");
|
||||
for (key, value) in ictx.metadata().iter() {
|
||||
println!("{}: {}", key, value);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
Reference in New Issue
Block a user