add video thumbnailing via ffmpeg
parent
aa67b93e4e
commit
3186b9ce6e
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@ -883,12 +883,6 @@ dependencies = [
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"percent-encoding",
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]
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[[package]]
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name = "fuchsia-cprng"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
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[[package]]
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name = "fuchsia-zircon"
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version = "0.3.3"
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@ -1689,19 +1683,6 @@ dependencies = [
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"scheduled-thread-pool",
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]
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[[package]]
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name = "rand"
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version = "0.4.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
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dependencies = [
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"fuchsia-cprng",
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"libc",
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"rand_core 0.3.1",
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"rdrand",
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"winapi 0.3.9",
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]
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[[package]]
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name = "rand"
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version = "0.7.3"
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@ -1710,9 +1691,21 @@ checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
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dependencies = [
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"getrandom 0.1.16",
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"libc",
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"rand_chacha",
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"rand_chacha 0.2.2",
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"rand_core 0.5.1",
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"rand_hc",
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"rand_hc 0.2.0",
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]
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[[package]]
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name = "rand"
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version = "0.8.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
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dependencies = [
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"libc",
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"rand_chacha 0.3.1",
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"rand_core 0.6.3",
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"rand_hc 0.3.1",
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]
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[[package]]
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@ -1726,20 +1719,15 @@ dependencies = [
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]
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[[package]]
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name = "rand_core"
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name = "rand_chacha"
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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 = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
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checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
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dependencies = [
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"rand_core 0.4.2",
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"ppv-lite86",
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"rand_core 0.6.3",
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]
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[[package]]
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name = "rand_core"
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version = "0.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
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[[package]]
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name = "rand_core"
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version = "0.5.1"
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@ -1749,6 +1737,15 @@ dependencies = [
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"getrandom 0.1.16",
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]
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[[package]]
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name = "rand_core"
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version = "0.6.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
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dependencies = [
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"getrandom 0.2.3",
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]
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[[package]]
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name = "rand_hc"
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version = "0.2.0"
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@ -1758,6 +1755,15 @@ dependencies = [
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"rand_core 0.5.1",
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]
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[[package]]
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name = "rand_hc"
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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 = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
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dependencies = [
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"rand_core 0.6.3",
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]
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[[package]]
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name = "rayon"
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version = "1.5.1"
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@ -1783,15 +1789,6 @@ dependencies = [
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"num_cpus",
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]
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[[package]]
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name = "rdrand"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
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dependencies = [
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"rand_core 0.3.1",
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]
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[[package]]
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name = "redox_syscall"
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version = "0.2.10"
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@ -2092,13 +2089,17 @@ dependencies = [
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]
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[[package]]
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name = "tempdir"
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version = "0.3.7"
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name = "tempfile"
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version = "3.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
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checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
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dependencies = [
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"rand 0.4.6",
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"cfg-if 1.0.0",
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"libc",
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"rand 0.8.4",
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"redox_syscall",
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"remove_dir_all",
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"winapi 0.3.9",
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]
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[[package]]
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@ -2441,7 +2442,7 @@ dependencies = [
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"rayon",
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"serde",
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"serde_json",
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"tempdir",
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"tempfile",
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"thiserror",
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"tiny-keccak",
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"tree_magic_mini",
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@ -48,6 +48,7 @@ filebuffer = "0.4.0"
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tiny-keccak = { version = "2.0", features = ["k12"] }
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unsigned-varint = { version = "^0", features = ["std"] }
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uuid = { version = "0.8", features = ["v4"] }
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tempfile = "^3.2.0"
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walkdir = "2"
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mime = "^0.3.16"
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@ -62,9 +63,6 @@ webbrowser = { version = "^0.5.5", optional = true }
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nonempty = "0.6.0"
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[dev-dependencies]
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tempdir = "0.3.7"
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[features]
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default = ["desktop", "thumbnails"]
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desktop = ["webbrowser", "opener", "is_executable"]
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@ -10,8 +10,11 @@ use std::{
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};
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use self::text::TextPath;
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use self::video::VideoPath;
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pub mod text;
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pub mod video;
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pub trait Thumbnailable {
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fn get_thumbnail(&self) -> Result<Vec<u8>>;
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@ -56,6 +59,7 @@ impl ThumbnailStore {
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let data = match tree_magic_mini::from_filepath(&file.path) {
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Some(tm) if tm.starts_with("text") => Ok(TextPath(&file.path).get_thumbnail()?),
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Some(tm) if tm.starts_with("video") => Ok(VideoPath(&file.path).get_thumbnail()?),
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Some(unknown) => Err(anyhow!("No capability for {:?} thumbnails.", unknown)),
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_ => Err(anyhow!("Unknown file type, or file doesn't exist."))
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}?;
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@ -0,0 +1,47 @@
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use anyhow::anyhow;
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use std::io::Read;
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use std::path::Path;
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use std::process::Command;
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use anyhow::Result;
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use super::Thumbnailable;
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pub struct VideoPath<'a>(pub &'a Path);
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impl<'a> Thumbnailable for VideoPath<'a> {
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fn get_thumbnail(&self) -> Result<Vec<u8>> {
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let duration_cmd = Command::new("ffprobe")
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.args(["-v", "error"])
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.args(["-show_entries", "format=duration"])
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.args(["-of", "default=noprint_wrappers=1:nokey=1"])
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.arg(self.0)
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.output()?;
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if !duration_cmd.status.success() {
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return Err(anyhow!(
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"Failed to retrieve file duration: {:?}",
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String::from_utf8_lossy(&duration_cmd.stderr)
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));
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}
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let duration = String::from_utf8_lossy(&duration_cmd.stdout).trim().parse::<f64>()?;
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let outfile = tempfile::Builder::new().suffix(".png").tempfile()?;
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let thumbnail_cmd = Command::new("ffmpeg")
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.args(["-i", &self.0.to_string_lossy()])
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.args(["-vframes", "1"])
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.args(["-ss", &(duration / 2.0).to_string()])
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.arg(&*outfile.path().to_string_lossy())
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.arg("-y")
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.output()?;
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if !thumbnail_cmd.status.success() {
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return Err(anyhow!(
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"Failed to render thumbnail: {:?}",
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String::from_utf8_lossy(&thumbnail_cmd.stderr)
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));
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}
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let mut buffer = Vec::new();
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outfile.as_file().read_to_end(&mut buffer)?;
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Ok(buffer)
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}
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}
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