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examples/metadata: update to new format API

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meh 2015-09-04 16:32:39 +02:00
parent 1f80007e5e
commit ffb193ac68
1 changed files with 68 additions and 75 deletions
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143
examples/metadata.rs
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@ -1,86 +1,79 @@
extern crate ffmpeg;
use std::env;
use std::path::Path;
fn print_metadata(context: &ffmpeg::format::Context) {
for (k, v) in context.metadata().iter() {
println!("{}: {}", k, v);
}
if let Some(stream) = context.streams().best(ffmpeg::media::Type::Video) {
println!("Best video stream index: {}", stream.index());
}
if let Some(stream) = context.streams().best(ffmpeg::media::Type::Audio) {
println!("Best audio stream index: {}", stream.index());
}
if let Some(stream) = context.streams().best(ffmpeg::media::Type::Subtitle) {
println!("Best subtitle stream index: {}", stream.index());
}
for stream in context.streams() {
println!("stream index {}:", stream.index());
println!("\ttime_base: {}", stream.time_base());
println!("\tstart_time: {}", stream.start_time());
println!("\tduration: {}", stream.duration());
println!("\tframes: {}", stream.frames());
println!("\tdisposition: {:?}", stream.disposition());
println!("\tdiscard: {:?}", stream.discard());
println!("\tframe_rate: {}", stream.frame_rate());
let codec = stream.codec();
println!("\tmedium: {:?}", codec.medium());
println!("\tid: {:?}", codec.id());
if codec.medium() == ffmpeg::media::Type::Video {
if let Ok(video) = codec.decoder().video() {
println!("\tbit_rate: {}", video.bit_rate());
println!("\tdelay: {}", video.delay());
println!("\tvideo.width: {}", video.width());
println!("\tvideo.height: {}", video.height());
println!("\tvideo.format: {:?}", video.format());
println!("\tvideo.has_b_frames: {}", video.has_b_frames());
println!("\tvideo.aspect_ratio: {}", video.aspect_ratio());
println!("\tvideo.color_space: {:?}", video.color_space());
println!("\tvideo.color_range: {:?}", video.color_range());
println!("\tvideo.color_primaries: {:?}", video.color_primaries());
println!("\tvideo.color_transfer_characteristic: {:?}", video.color_transfer_characteristic());
println!("\tvideo.chroma_location: {:?}", video.chroma_location());
println!("\tvideo.references: {}", video.references());
println!("\tvideo.intra_dc_precision: {}", video.intra_dc_precision());
}
}
else if codec.medium() == ffmpeg::media::Type::Audio {
if let Ok(audio) = codec.decoder().audio() {
println!("\tbit_rate: {}", audio.bit_rate());
println!("\tdelay: {}", audio.delay());
println!("\taudio.rate: {}", audio.rate());
println!("\taudio.channels: {}", audio.channels());
println!("\taudio.format: {:?}", audio.format());
println!("\taudio.frames: {}", audio.frames());
println!("\taudio.align: {}", audio.align());
println!("\taudio.channel_layout: {:?}", audio.channel_layout());
println!("\taudio.max_rate: {}", audio.max_rate());
println!("\taudio.frame_start: {:?}", audio.frame_start());
}
}
}
}
fn main() {
ffmpeg::init().unwrap();
if let Some(file) = env::args().nth(1) {
let path = Path::new(&file);
match ffmpeg::format::input(&env::args().nth(1).expect("missing file")) {
Ok(context) => {
for (k, v) in context.metadata().iter() {
println!("{}: {}", k, v);
}
if let Some(stream) = context.streams().best(ffmpeg::media::Type::Video) {
println!("Best video stream index: {}", stream.index());
}
if let Some(stream) = context.streams().best(ffmpeg::media::Type::Audio) {
println!("Best audio stream index: {}", stream.index());
}
if let Some(stream) = context.streams().best(ffmpeg::media::Type::Subtitle) {
println!("Best subtitle stream index: {}", stream.index());
}
for stream in context.streams() {
println!("stream index {}:", stream.index());
println!("\ttime_base: {}", stream.time_base());
println!("\tstart_time: {}", stream.start_time());
println!("\tduration: {}", stream.duration());
println!("\tframes: {}", stream.frames());
println!("\tdisposition: {:?}", stream.disposition());
println!("\tdiscard: {:?}", stream.discard());
println!("\tframe_rate: {}", stream.frame_rate());
let codec = stream.codec();
println!("\tmedium: {:?}", codec.medium());
println!("\tid: {:?}", codec.id());
if codec.medium() == ffmpeg::media::Type::Video {
if let Ok(video) = codec.decoder().video() {
println!("\tbit_rate: {}", video.bit_rate());
println!("\tdelay: {}", video.delay());
println!("\tvideo.width: {}", video.width());
println!("\tvideo.height: {}", video.height());
println!("\tvideo.format: {:?}", video.format());
println!("\tvideo.has_b_frames: {}", video.has_b_frames());
println!("\tvideo.aspect_ratio: {}", video.aspect_ratio());
println!("\tvideo.color_space: {:?}", video.color_space());
println!("\tvideo.color_range: {:?}", video.color_range());
println!("\tvideo.color_primaries: {:?}", video.color_primaries());
println!("\tvideo.color_transfer_characteristic: {:?}", video.color_transfer_characteristic());
println!("\tvideo.chroma_location: {:?}", video.chroma_location());
println!("\tvideo.references: {}", video.references());
println!("\tvideo.intra_dc_precision: {}", video.intra_dc_precision());
}
}
else if codec.medium() == ffmpeg::media::Type::Audio {
if let Ok(audio) = codec.decoder().audio() {
println!("\tbit_rate: {}", audio.bit_rate());
println!("\tdelay: {}", audio.delay());
println!("\taudio.rate: {}", audio.rate());
println!("\taudio.channels: {}", audio.channels());
println!("\taudio.format: {:?}", audio.format());
println!("\taudio.frames: {}", audio.frames());
println!("\taudio.align: {}", audio.align());
println!("\taudio.channel_layout: {:?}", audio.channel_layout());
println!("\taudio.max_rate: {}", audio.max_rate());
println!("\taudio.frame_start: {:?}", audio.frame_start());
}
}
}
match ffmpeg::format::open_input(&path) {
Ok(context) => print_metadata(&context),
Err(error) => println!("error: {}", error),
}
}
else {
println!("Usage: metadata <path>")
Err(error) =>
println!("error: {}", error)
}
}