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💡 Comment ffmpeg invokation flags
author
Gwenn Le Bihan
date
(Oct 27, 2025, 11:15 PM +0100)
commit
39e2d0ab
39e2d0ab641d378757cc05258ede288b90298cf1
parent
71f3b2e0
71f3b2e0a11e2596d71499da9e5937693f992329
+29
-8
+29
-8
src/video/encoding.rs
+29
-8
src/video/encoding.rs
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self.initial_canvas.resolution_to_size_even(self.resolution);
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Ok(std::process::Command::new("ffmpeg")
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.args(["-i", (self.audiofile.to_str().unwrap())])
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.args(["-f", ("rawvideo")])
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.args(["-pixel_format", ("rgba")])
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.args(["-video_size", &(format!("{width}x{height}"))])
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// Audio //
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// File
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.args(["-i", self.audiofile.to_str().unwrap()])
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//
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// Video //
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// Raw video input
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.args(["-f", "rawvideo"])
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// RGBA Pixels
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.args(["-pixel_format", "rgba"])
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// Dimensions
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.args(["-video_size", &format!("{width}x{height}")])
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// FPS
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.args(["-framerate", &self.fps.to_string()])
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.args(["-i", ("-")])
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.args(["-map", ("0:a")])
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.args(["-map", ("1:v")])
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// Input from pipe
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.args(["-i", "-"])
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.stdin(std::process::Stdio::piped())
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//
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// Mapping //
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// Audio from first input
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.args(["-map", "0:a"])
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// Video from second input
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.args(["-map", "1:v"])
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// Use shortest stream for final duration
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.arg("-shortest")
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//
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// Output //
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// Write to file
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.arg(output_path.to_str().unwrap())
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// Debug ffmpeg too if shapemaker is debugging
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.args([
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"-loglevel",
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(if log::log_enabled!(log::Level::Debug) {
···
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"error"
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}),
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])
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.stdin(std::process::Stdio::piped())
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// Put stdout/stderr here so that it doesn't mess with progress bars
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.stdout(File::create("ffmpeg_stdout.log")?)
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.stderr(File::create("ffmpeg_stderr.log")?)
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//
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// Spawn it!
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.spawn()?)
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}
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