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|
let () =
Avutil.Log.set_level `Debug;
Avutil.Log.set_callback print_string;
let format = Option.get (Av.Format.find_input_format "v4l2") in
let src = Av.open_input ~format "/dev/video0" in
let () =
print_endline "Available outputs:";
List.iter
(fun f -> print_endline ("- " ^ Av.Format.get_output_name f))
(Avdevice.get_video_output_formats ())
in
let video, video_frame =
try
let video_idx, video_src, _ = Av.find_best_video_stream src in
let video_dst = Avdevice.open_video_output "sdl2" in
let _, video_stream, _ = List.hd (Av.get_video_streams video_dst) in
(Some (video_idx, video_dst, video_stream), [video_src])
with Avutil.Error _ -> (None, [])
in
let rec f () =
match (Av.read_input ~video_frame src, video) with
| `Video_frame (i, frame), Some (idx, _, stream) when i = idx ->
Av.write_frame stream frame;
f ()
| exception Avutil.Error `Eof -> ()
| _ -> f ()
in
f ();
Av.close src;
let () = match video with Some (_, dst, _) -> Av.close dst | None -> () in
Gc.full_major ();
Gc.full_major ()
|
