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feature: thumbnail based off 1/5 of the duration of video

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Now we grab the duration threw ffprobe and get the thumbnail from 1/5
of the duration.
This commit is contained in:
Chris Cochrun 2023-04-23 07:07:53 -05:00
parent 12fb5592a7
commit 30e552aa3d
1 changed files with 31 additions and 9 deletions
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40
src/rust/ffmpeg.rs
View file

@ -23,18 +23,40 @@ pub fn bg_from_video(video: &Path) -> PathBuf {
.args(&["-i", &video.to_string_lossy()]) .args(&["-i", &video.to_string_lossy()])
.output() .output()
.expect("failed to execute ffprobe"); .expect("failed to execute ffprobe");
let mut duration = String::from(""); io::stderr().write_all(&output_duration.stderr).unwrap();
let mut at_second: i32; let mut at_second = 2;
at_second = 2; let mut log = str::from_utf8(&output_duration.stderr)
let mut log = str::from_utf8(&output_duration.stdout)
.expect("Using non UTF-8 characters") .expect("Using non UTF-8 characters")
.to_string(); .to_string();
if let Some(duration_index) = &log.find("Duration") { println!("{log}");
duration = log.split_off(*duration_index + 10); if let Some(duration_index) = log.find("Duration") {
let mut duration = log.split_off(duration_index + 10);
duration.truncate(11); duration.truncate(11);
println!("rust-duration-is: {duration}"); println!("rust-duration-is: {duration}");
let mut hours = String::from("");
let mut minutes = String::from("");
let mut seconds = String::from("");
for (i, c) in duration.chars().enumerate() {
if i <= 1 {
hours.push(c);
} else if i > 2 && i <= 4 {
minutes.push(c);
} else if i > 5 && i <= 7 {
seconds.push(c);
}
}
let hours: i32 = hours.parse().unwrap();
let mut minutes: i32 = minutes.parse().unwrap();
let mut seconds: i32 = seconds.parse().unwrap();
minutes += hours * 60;
seconds += minutes * 60;
at_second = seconds / 5;
println!(
"hours: {}, minutes: {}, seconds: {}, at_second: {}",
hours, minutes, seconds, at_second
);
} }
let output = Command::new("ffmpeg") let _output = Command::new("ffmpeg")
.args(&[ .args(&[
"-i", "-i",
&video.to_string_lossy(), &video.to_string_lossy(),
@ -47,8 +69,8 @@ pub fn bg_from_video(video: &Path) -> PathBuf {
]) ])
.output() .output()
.expect("failed to execute ffmpeg"); .expect("failed to execute ffmpeg");
io::stdout().write_all(&output.stdout).unwrap(); // io::stdout().write_all(&output.stdout).unwrap();
io::stderr().write_all(&output.stderr).unwrap(); // io::stderr().write_all(&output.stderr).unwrap();
} else { } else {
println!("Screenshot already exists"); println!("Screenshot already exists");
} }