libavutil_time.pas

(*
 * Copyright (c) 2000-2003 Fabrice Bellard
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *)

(*
 * FFVCL - Delphi FFmpeg VCL Components
 * http://www.DelphiFFmpeg.com
 *
 * Original file: libavutil/time.h
 * Ported by CodeCoolie@CNSW 2014/07/21 -> $Date:: 2014-12-19 #$
 *)

(*
FFmpeg Delphi/Pascal Headers and Examples License Agreement

A modified part of FFVCL - Delphi FFmpeg VCL Components.
Copyright (c) 2008-2016 DelphiFFmpeg.com
All rights reserved.
http://www.DelphiFFmpeg.com

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

This source code is provided "as is" by DelphiFFmpeg.com without
warranty of any kind, either expressed or implied, including but not
limited to the implied warranties of merchantability and/or fitness
for a particular purpose.

Please also notice the License agreement of FFmpeg libraries.
*)

unit libavutil_time;

interface

{$I CompilerDefines.inc}

{$I libversion.inc}

(**
 * Get the current time in microseconds.
 *)
function av_gettime: Int64; cdecl; external AVUTIL_LIBNAME name _PU + 'av_gettime';

(**
 * Get the current time in microseconds since some unspecified starting point.
 * On platforms that support it, the time comes from a monotonic clock
 * This property makes this time source ideal for measuring relative time.
 * The returned values may not be monotonic on platforms where a monotonic
 * clock is not available.
 *)
function av_gettime_relative: Int64; cdecl; external AVUTIL_LIBNAME name _PU + 'av_gettime_relative';

(**
 * Indicates with a boolean result if the av_gettime_relative() time source
 * is monotonic.
 *)
function av_gettime_relative_is_monotonic: Integer; cdecl; external AVUTIL_LIBNAME name _PU + 'av_gettime_relative_is_monotonic';

(**
 * Sleep for a period of time.  Although the duration is expressed in
 * microseconds, the actual delay may be rounded to the precision of the
 * system timer.
 *
 * @param  usec Number of microseconds to sleep.
 * @return zero on success or (negative) error code.
 *)
function av_usleep(usec: Cardinal): Integer; cdecl; external AVUTIL_LIBNAME name _PU + 'av_usleep';

implementation

end.