can't find a const val AV_CODEC_CAP_ENCODER_RECON_FRAME

[yollpoll]

here is my code: `use bitflags::bitflags; use crate::ffi::*; use libc::c_uint;

bitflags! { pub struct Capabilities: c_uint { const DRAW_HORIZ_BAND = AV_CODEC_CAP_DRAW_HORIZ_BAND; const DR1 = AV_CODEC_CAP_DR1; const DELAY = AV_CODEC_CAP_DELAY; const SMALL_LAST_FRAME = AV_CODEC_CAP_SMALL_LAST_FRAME; const SUBFRAMES = AV_CODEC_CAP_SUBFRAMES; const EXPERIMENTAL = AV_CODEC_CAP_EXPERIMENTAL; const CHANNEL_CONF = AV_CODEC_CAP_CHANNEL_CONF; const FRAME_THREADS = AV_CODEC_CAP_FRAME_THREADS; const SLICE_THREADS = AV_CODEC_CAP_SLICE_THREADS; const PARAM_CHANGE = AV_CODEC_CAP_PARAM_CHANGE; const OTHER_THREADS = AV_CODEC_CAP_OTHER_THREADS; const VARIABLE_FRAME_SIZE = AV_CODEC_CAP_VARIABLE_FRAME_SIZE; const AVOID_PROBING = AV_CODEC_CAP_AVOID_PROBING; const HARDWARE = AV_CODEC_CAP_HARDWARE; const HYBRID = AV_CODEC_CAP_HYBRID; const ENCODER_REORDERED_OPAQUE = AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE; const ENCODER_FLUSH = AV_CODEC_CAP_ENCODER_FLUSH; const ENCODER_RECON_FRAME = AV_CODEC_CAP_ENCODER_RECON_FRAME; } }` the 'AV_CODEC_CAP_ENCODER_RECON_FRAME' couldn't been found, is there something wrong in my project or env? my sys is windows10 and ffmepg libraries's version is 5.1.2 installed by vcpkg