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diff --git a/src/lib/ffmpeg-1.1/libavutil/error.pas b/src/lib/ffmpeg-1.1/libavutil/error.pas
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+(*
+ * 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
+ *
+ * This is a part of the Pascal port of ffmpeg.
+ * - Changes and updates by the UltraStar Deluxe Team
+ *
+ * Conversion of libavutil/error.h
+ * avutil version 52.13.100
+ *
+ *)
+
+(**
+ * @file
+ * error code definitions
+ *)
+
+(**
+ * @addtogroup lavu_error
+ *
+ * @{
+ *)
+
+{* error handling *}
+
+const
+{$IFDEF UNIX}
+ ENOENT = ESysENOENT;
+ EIO = ESysEIO;
+ ENOMEM = ESysENOMEM;
+ EINVAL = ESysEINVAL;
+ EDOM = ESysEDOM;
+ ENOSYS = ESysENOSYS;
+ EILSEQ = ESysEILSEQ;
+ EPIPE = ESysEPIPE;
+{$ELSE}
+ ENOENT = 2;
+ EIO = 5;
+ ENOMEM = 12;
+ EINVAL = 22;
+ EPIPE = 32; // just an assumption. needs to be checked.
+ EDOM = 33;
+ {$IFDEF MSWINDOWS}
+ // Note: we assume that ffmpeg was compiled with MinGW.
+ // This must be changed if DLLs were compiled with cygwin.
+ ENOSYS = 40; // MSVC/MINGW: 40, CYGWIN: 88, LINUX/FPC: 38
+ EILSEQ = 42; // MSVC/MINGW: 42, CYGWIN: 138, LINUX/FPC: 84
+ {$ENDIF}
+{$ENDIF}
+
+(**
+ * We need the sign of the error, because some platforms have
+ * E* and errno already negated. The previous version failed
+ * with Delphi, because it needed EINVAL defined.
+ * Warning: This code is platform dependent and assumes constants
+ * to be 32 bit.
+ * This version does the following steps:
+ * 1) shr 30: shifts the sign bit to bit position 2
+ * 2) and $00000002: sets all other bits to zero
+ * positive EINVAL gives 0, negative gives 2
+ * 3) - 1: positive EINVAL gives -1, negative 1
+ *)
+const
+ AVERROR_SIGN = (EINVAL shr 30) and $00000002 - 1;
+
+(*
+#if EDOM > 0
+#define AVERROR(e) (-(e)) {**< Returns a negative error code from a POSIX error code, to return from library functions. *}
+#define AVUNERROR(e) (-(e)) {**< Returns a POSIX error code from a library function error return value. *}
+#else
+{* Some platforms have E* and errno already negated. *}
+#define AVERROR(e) (e)
+#define AVUNERROR(e) (e)
+#endif
+*)
+
+const
+
+ // Note: function calls as constant-initializers are invalid
+ AVERROR_BSF_NOT_FOUND = -(ord($F8) or (ord('B') shl 8) or (ord('S') shl 16) or (ord('F') shl 24)); ///< Bitstream filter not found
+ AVERROR_BUG = -(ord('B') or (ord('U') shl 8) or (ord('G') shl 16) or (ord('!') shl 24)); ///< Internal bug, also see AVERROR_BUG2
+ AVERROR_BUFFER_TOO_SMALL = -(ord('B') or (ord('U') shl 8) or (ord('F') shl 16) or (ord('S') shl 24)); ///< Buffer too small
+ AVERROR_DECODER_NOT_FOUND = -(ord($F8) or (ord('D') shl 8) or (ord('E') shl 16) or (ord('C') shl 24)); ///< Decoder not found
+ AVERROR_DEMUXER_NOT_FOUND = -(ord($F8) or (ord('D') shl 8) or (ord('E') shl 16) or (ord('M') shl 24)); ///< Demuxer not found
+ AVERROR_ENCODER_NOT_FOUND = -(ord($F8) or (ord('E') shl 8) or (ord('N') shl 16) or (ord('C') shl 24)); ///< Encoder not found
+ AVERROR_EOF = -(ord('E') or (ord('O') shl 8) or (ord('F') shl 16) or (ord(' ') shl 24)); ///< End of file
+ AVERROR_EXIT = -(ord('E') or (ord('X') shl 8) or (ord('I') shl 16) or (ord('T') shl 24)); ///< Immediate exit was requested; the called function should not be restarted
+ AVERROR_EXTERNAL = -(ord('E') or (ord('X') shl 8) or (ord('T') shl 16) or (ord(' ') shl 24)); ///< Generic error in an external library
+ AVERROR_FILTER_NOT_FOUND = -(ord($F8) or (ord('F') shl 8) or (ord('I') shl 16) or (ord('L') shl 24)); ///< Filter not found
+ AVERROR_INVALIDDATA = -(ord('I') or (ord('N') shl 8) or (ord('D') shl 16) or (ord('A') shl 24)); ///< Invalid data found when processing input
+ AVERROR_MUXER_NOT_FOUND = -(ord($F8) or (ord('M') shl 8) or (ord('U') shl 16) or (ord('X') shl 24)); ///< Muxer not found
+ AVERROR_OPTION_NOT_FOUND = -(ord($F8) or (ord('O') shl 8) or (ord('P') shl 16) or (ord('T') shl 24)); ///< Option not found
+ AVERROR_PATCHWELCOME = -(ord('P') or (ord('A') shl 8) or (ord('W') shl 16) or (ord('E') shl 24)); ///< Not yet implemented in FFmpeg, patches welcome
+ AVERROR_PROTOCOL_NOT_FOUND = -(ord($F8) or (ord('P') shl 8) or (ord('R') shl 16) or (ord('O') shl 24)); ///< Protocol not found
+ AVERROR_STREAM_NOT_FOUND = -(ord($F8) or (ord('S') shl 8) or (ord('T') shl 16) or (ord('R') shl 24)); ///< Stream not found
+
+(**
+ * This is semantically identical to AVERROR_BUG
+ * it has been introduced in Libav after our AVERROR_BUG and with a modified value.
+ *)
+ AVERROR_BUG2 = -(ord('B') or (ord('U') shl 8) or (ord('G') shl 16) or (ord(' ') shl 24));
+ AVERROR_UNKNOWN = -(ord('U') or (ord('N') shl 8) or (ord('K') shl 16) or (ord('N') shl 24)); ///< Unknown error, typically from an external library
+
+ AV_ERROR_MAX_STRING_SIZE = 64;
+
+(*
+ * Put a description of the AVERROR code errnum in errbuf.
+ * In case of failure the global variable errno is set to indicate the
+ * error. Even in case of failure av_strerror() will print a generic
+ * error message indicating the errnum provided to errbuf.
+ *
+ * @param errnum error code to describe
+ * @param errbuf buffer to which description is written
+ * @param errbuf_size the size in bytes of errbuf
+ * @return 0 on success, a negative value if a description for errnum
+ * cannot be found
+ *)
+
+function av_strerror(errnum: cint; errbuf: PAnsiChar; errbuf_size: size_t): cint;
+ cdecl; external av__util;
+
+function av_strerror(errnum: cint; errbuf: PAnsiChar; errbuf_size: size_t): cint;
+ cdecl; external av__util;
+
+(**
+ * Fill the provided buffer with a string containing an error string
+ * corresponding to the AVERROR code errnum.
+ *
+ * @param errbuf a buffer
+ * @param errbuf_size size in bytes of errbuf
+ * @param errnum error code to describe
+ * @return the buffer in input, filled with the error description
+ * @see av_strerror()
+ *)
+function av_make_error_string(errbuf: Pchar; errbuf_size: size_t; errnum: cint): Pchar; {$IFDEF HasInline}inline;{$ENDIF}
+// Note: defined in avutil.pas
+
+(**
+ * Convenience macro, the return value should be used only directly in
+ * function arguments but never stand-alone.
+ *)
+function av_err2str(errnum: cint): pchar; {$IFDEF HasInline}inline;{$ENDIF}
+// Note: defined in avutil.pas
+
+(**
+ * @}
+ *)