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open Avutil
open Printf
let test () =
Sys.argv |> Array.to_list |> List.tl
|> List.iter (fun url ->
let input = Av.open_input url in
printf "%s (%s s) :\n" url
(match Av.get_input_duration input with
| None -> "N/A"
| Some d -> Int64.to_string d);
Av.get_input_metadata input
|> List.iter (fun (k, v) -> printf "\t%s : %s\n" k v);
Av.get_audio_streams input
|> List.iter (fun (idx, stm, cd) ->
Av.get_metadata stm
|> List.iter (fun (k, v) -> printf "\t%s : %s\n" k v);
Avcodec.Audio.(
printf
"\tAudio stream %d : %s %s, %s %s, %s %d, %s %d, %s %d, %s %Ld\n"
idx "codec"
(get_params_id cd |> string_of_id)
"sample format"
( get_sample_format cd |> fun p ->
Option.get (Sample_format.get_name p) )
"channels" (get_nb_channels cd) "bit rate" (get_bit_rate cd)
"sample rate" (get_sample_rate cd) "duration (ms)"
(Av.get_duration ~format:`Millisecond stm)));
Av.get_video_streams input
|> List.iter (fun (idx, stm, cd) ->
Av.get_metadata stm
|> List.iter (fun (k, v) -> printf "\t%s : %s\n" k v);
Avcodec.Video.(
let sar = get_sample_aspect_ratio cd in
printf
"\tVideo stream %d : %s %s, %s %d, %s %d, %s %d / %d, %s %d, %s \
%Ld\n"
idx "codec"
(get_params_id cd |> string_of_id)
"width" (get_width cd) "height" (get_height cd)
"sample aspect ratio" sar.num sar.den "bit rate" (get_bit_rate cd)
"duration (ns)"
(Av.get_duration ~format:`Nanosecond stm)));
Av.get_subtitle_streams input
|> List.iter (fun (idx, stm, cd) ->
Av.get_metadata stm
|> List.iter (fun (k, v) -> printf "\t%s : %s\n" k v);
Avcodec.Subtitle.(
printf "\tSubtitle stream %d : %s %s, %s %Ld\n" idx "codec"
(get_params_id cd |> string_of_id)
"duration (µs)"
(Av.get_duration ~format:`Microsecond stm)));
printf "\n")
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