ffmpeg-the-third/examples/codec-info.rs

extern crate ffmpeg;

use std::env;

fn main() {
	ffmpeg::init().unwrap();

	for arg in env::args().skip(1) {
		if let Some(codec) = ffmpeg::decoder::find_by_name(&arg) {
			println!("type: decoder");
			println!("\t id: {:?}", codec.id());
			println!("\t name: {}", codec.name());
			println!("\t description: {}", codec.description());
			println!("\t medium: {:?}", codec.medium());
			println!("\t capabilities: {:?}", codec.capabilities());

			if let Some(profiles) = codec.profiles() {
				println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
			}
			else {
				println!("\t profiles: none");
			}

			if let Ok(video) = codec.video() {
				if let Some(rates) = video.rates() {
					println!("\t rates: {:?}", rates.collect::<Vec<_>>());
				}
				else {
					println!("\t rates: any");
				}

				if let Some(formats) = video.formats() {
					println!("\t formats: {:?}", formats.collect::<Vec<_>>());
				}
				else {
					println!("\t formats: any");
				}
			}

			if let Ok(audio) = codec.audio() {
				if let Some(rates) = audio.rates() {
					println!("\t rates: {:?}", rates.collect::<Vec<_>>());
				}
				else {
					println!("\t rates: any");
				}

				if let Some(formats) = audio.formats() {
					println!("\t formats: {:?}", formats.collect::<Vec<_>>());
				}
				else {
					println!("\t formats: any");
				}

				if let Some(layouts) = audio.channel_layouts() {
					println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
				}
				else {
					println!("\t channel_layouts: any");
				}
			}

			println!("\t max_lowres: {:?}", codec.max_lowres());
		}

		if let Some(codec) = ffmpeg::encoder::find_by_name(&arg) {
			println!("");
			println!("type: encoder");
			println!("\t id: {:?}", codec.id());
			println!("\t name: {}", codec.name());
			println!("\t description: {}", codec.description());
			println!("\t medium: {:?}", codec.medium());
			println!("\t capabilities: {:?}", codec.capabilities());

			if let Some(profiles) = codec.profiles() {
				println!("\t profiles: {:?}", profiles.collect::<Vec<_>>());
			}

			if let Ok(video) = codec.video() {
				if let Some(rates) = video.rates() {
					println!("\t rates: {:?}", rates.collect::<Vec<_>>());
				}
				else {
					println!("\t rates: any");
				}

				if let Some(formats) = video.formats() {
					println!("\t formats: {:?}", formats.collect::<Vec<_>>());
				}
				else {
					println!("\t formats: any");
				}
			}

			if let Ok(audio) = codec.audio() {
				if let Some(rates) = audio.rates() {
					println!("\t rates: {:?}", rates.collect::<Vec<_>>());
				}
				else {
					println!("\t rates: any");
				}

				if let Some(formats) = audio.formats() {
					println!("\t formats: {:?}", formats.collect::<Vec<_>>());
				}
				else {
					println!("\t formats: any");
				}

				if let Some(layouts) = audio.channel_layouts() {
					println!("\t channel_layouts: {:?}", layouts.collect::<Vec<_>>());
				}
				else {
					println!("\t channel_layouts: any");
				}
			}

			println!("\t max_lowres: {:?}", codec.max_lowres());
		}
	}
}