proc av_image_alloc(pointers: ptr ptr uint8; linesizes: ptr cint; w, h: cint;
                    pix_ffmt: AVPixelFormat; align: cint): cint {.importc,
    cdecl, ...raises: [], tags: [], forbids: [].}

proc av_image_check_sar(w, h: cuint; sar: AVRational): cint {.importc, cdecl,
    ...raises: [], tags: [], forbids: [].}

proc av_image_check_size(w, h: cuint; log_offset: cint; log_ctx: pointer): cint {.
    importc, cdecl, ...raises: [], tags: [], forbids: [].}

proc av_image_check_size2(w, h: cuint; max_pixels: int64;
                          pix_fmt: AVPixelFormat; log_offset: cint;
                          log_ctx: pointer): cint {.importc, cdecl, ...raises: [],
    tags: [], forbids: [].}

proc av_image_copy(dst_data: ptr ptr uint8; dst_linesizes: ptr cint;
                   src_data: ptr ptr uint8; src_linesizes: ptr cint;
                   pix_fmt: AVPixelFormat; width, height: cint) {.importc,
    cdecl, ...raises: [], tags: [], forbids: [].}

proc av_image_copy_plane(dst: ptr uint8; dst_linesize: cint; src: ptr uint8;
                         src_linesize, byrewidth, height: cint) {.importc,
    cdecl, ...raises: [], tags: [], forbids: [].}

proc av_image_copy_to_buffer(dst: ptr uint8; dst_size: cint;
                             src_data: ptr ptr uint8; src_linesize: ptr cint;
                             pix_fmt: AVPixelFormat; width, height, align: cint): cint {.
    importc, cdecl, ...raises: [], tags: [], forbids: [].}

proc av_image_copy_uc_from(dst_data: ptr ptr uint8;
                           dst_linesizes: ptr ByteAddress;
                           src_data: ptr ptr uint8;
                           src_linesizes: ptr ByteAddress;
                           pix_fmt: AVPixelFormat; width, height: cint) {.
    importc, cdecl, ...raises: [], tags: [], forbids: [].}

proc av_image_fill_arrays(dst_data: ptr ptr uint8; dst_linesizes: ptr cint;
                          src: ptr uint8; pix_fmt: AVPixelFormat;
                          width, height, align: cint): cint {.importc, cdecl,
    ...raises: [], tags: [], forbids: [].}

proc av_image_fill_black(dst_data: ptr ptr uint8;
                         dst_linesizes: ptr ByteAddress; pix_fmt: AVPixelFormat;
                         range: AVColorRange; width, height: cint): cint {.
    importc, cdecl, ...raises: [], tags: [], forbids: [].}

proc av_image_fill_linesizes(linesizes: ptr cint; pix_fmt: AVPixelFormat;
                             width: cint): cint {.importc, cdecl, ...raises: [],
    tags: [], forbids: [].}

proc av_image_fill_max_pixsteps(max_pixsteps, max_pixstep_comps: ptr cint;
                                pixdesc: ptr AVPixFmtDescriptor) {.importc,
    cdecl, ...raises: [], tags: [], forbids: [].}

proc av_image_fill_pointers(data: ptr ptr uint8; pix_fmt: AVPixelFormat;
                            height: cint; ptr: ptr uint8; linesizes: ptr cint): cint {.
    importc, cdecl, ...raises: [], tags: [], forbids: [].}

proc av_image_get_buffer_size(pix_fmt: AVPixelFormat; width, height, align: cint): cint {.
    importc, cdecl, ...raises: [], tags: [], forbids: [].}

proc av_image_get_linesize(pix_fmt: AVPixelFormat; width, plane: cint): cint {.
    importc, cdecl, ...raises: [], tags: [], forbids: [].}