1extern crate ffmpeg_next as ffmpeg;
2
3use std::env;
4
5fn main() -> Result<(), ffmpeg::Error> {
6 ffmpeg::init().unwrap();
7
8 match ffmpeg::format::input(&env::args().nth(1).expect("missing file")) {
9 Ok(context) => {
10 for (k, v) in context.metadata().iter() {
11 println!("{}: {}", k, v);
12 }
13
14 if let Some(stream) = context.streams().best(ffmpeg::media::Type::Video) {
15 println!("Best video stream index: {}", stream.index());
16 }
17
18 if let Some(stream) = context.streams().best(ffmpeg::media::Type::Audio) {
19 println!("Best audio stream index: {}", stream.index());
20 }
21
22 if let Some(stream) = context.streams().best(ffmpeg::media::Type::Subtitle) {
23 println!("Best subtitle stream index: {}", stream.index());
24 }
25
26 println!(
27 "duration (seconds): {:.2}",
28 context.duration() as f64 / f64::from(ffmpeg::ffi::AV_TIME_BASE)
29 );
30
31 for stream in context.streams() {
32 println!("stream index {}:", stream.index());
33 println!("\ttime_base: {}", stream.time_base());
34 println!("\tstart_time: {}", stream.start_time());
35 println!("\tduration (stream timebase): {}", stream.duration());
36 println!(
37 "\tduration (seconds): {:.2}",
38 stream.duration() as f64 * f64::from(stream.time_base())
39 );
40 println!("\tframes: {}", stream.frames());
41 println!("\tdisposition: {:?}", stream.disposition());
42 println!("\tdiscard: {:?}", stream.discard());
43 println!("\trate: {}", stream.rate());
44
45 let codec = ffmpeg::codec::context::Context::from_parameters(stream.parameters())?;
46 println!("\tmedium: {:?}", codec.medium());
47 println!("\tid: {:?}", codec.id());
48
49 if codec.medium() == ffmpeg::media::Type::Video {
50 if let Ok(video) = codec.decoder().video() {
51 println!("\tbit_rate: {}", video.bit_rate());
52 println!("\tmax_rate: {}", video.max_bit_rate());
53 println!("\tdelay: {}", video.delay());
54 println!("\tvideo.width: {}", video.width());
55 println!("\tvideo.height: {}", video.height());
56 println!("\tvideo.format: {:?}", video.format());
57 println!("\tvideo.has_b_frames: {}", video.has_b_frames());
58 println!("\tvideo.aspect_ratio: {}", video.aspect_ratio());
59 println!("\tvideo.color_space: {:?}", video.color_space());
60 println!("\tvideo.color_range: {:?}", video.color_range());
61 println!("\tvideo.color_primaries: {:?}", video.color_primaries());
62 println!(
63 "\tvideo.color_transfer_characteristic: {:?}",
64 video.color_transfer_characteristic()
65 );
66 println!("\tvideo.chroma_location: {:?}", video.chroma_location());
67 println!("\tvideo.references: {}", video.references());
68 println!("\tvideo.intra_dc_precision: {}", video.intra_dc_precision());
69 }
70 } else if codec.medium() == ffmpeg::media::Type::Audio {
71 if let Ok(audio) = codec.decoder().audio() {
72 println!("\tbit_rate: {}", audio.bit_rate());
73 println!("\tmax_rate: {}", audio.max_bit_rate());
74 println!("\tdelay: {}", audio.delay());
75 println!("\taudio.rate: {}", audio.rate());
76 println!("\taudio.channels: {}", audio.channels());
77 println!("\taudio.format: {:?}", audio.format());
78 println!("\taudio.frames: {}", audio.frames());
79 println!("\taudio.align: {}", audio.align());
80 println!("\taudio.channel_layout: {:?}", audio.channel_layout());
81 }
82 }
83 }
84 }
85
86 Err(error) => println!("error: {}", error),
87 }
88 Ok(())
89}