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diff --git a/src/lib/ffmpeg7/libavcodec/audioconvert.pas b/src/lib/ffmpeg7/libavcodec/audioconvert.pas
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--- a/src/lib/ffmpeg7/libavcodec/audioconvert.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/audioconvert.h
- * avutil version 50.43.0
- *
- *)
-
-(**
- * @file
- * audio conversion routines
- *)
-
-const
- {* Audio channel masks *}
- AV_CH_FRONT_LEFT = $00000001;
- AV_CH_FRONT_RIGHT = $00000002;
- AV_CH_FRONT_CENTER = $00000004;
- AV_CH_LOW_FREQUENCY = $00000008;
- AV_CH_BACK_LEFT = $00000010;
- AV_CH_BACK_RIGHT = $00000020;
- AV_CH_FRONT_LEFT_OF_CENTER = $00000040;
- AV_CH_FRONT_RIGHT_OF_CENTER = $00000080;
- AV_CH_BACK_CENTER = $00000100;
- AV_CH_SIDE_LEFT = $00000200;
- AV_CH_SIDE_RIGHT = $00000400;
- AV_CH_TOP_CENTER = $00000800;
- AV_CH_TOP_FRONT_LEFT = $00001000;
- AV_CH_TOP_FRONT_CENTER = $00002000;
- AV_CH_TOP_FRONT_RIGHT = $00004000;
- AV_CH_TOP_BACK_LEFT = $00008000;
- AV_CH_TOP_BACK_CENTER = $00010000;
- AV_CH_TOP_BACK_RIGHT = $00020000;
- AV_CH_STEREO_LEFT = $20000000; ///< Stereo downmix.
- AV_CH_STEREO_RIGHT = $40000000; ///< See AV_CH_STEREO_LEFT.
-
-(** Channel mask value used for AVCodecContext.request_channel_layout
- * to indicate that the user requests the channel order of the decoder output
- * to be the native codec channel order.
- *)
- AV_CH_LAYOUT_NATIVE = $8000000000000000;
-
-(* Audio channel convenience macros *)
- AV_CH_LAYOUT_MONO = (AV_CH_FRONT_CENTER);
- AV_CH_LAYOUT_STEREO = (AV_CH_FRONT_LEFT or AV_CH_FRONT_RIGHT);
- AV_CH_LAYOUT_2_1 = (AV_CH_LAYOUT_STEREO or AV_CH_BACK_CENTER);
- AV_CH_LAYOUT_SURROUND = (AV_CH_LAYOUT_STEREO or AV_CH_FRONT_CENTER);
- AV_CH_LAYOUT_4POINT0 = (AV_CH_LAYOUT_SURROUND or AV_CH_BACK_CENTER);
- AV_CH_LAYOUT_2_2 = (AV_CH_LAYOUT_STEREO or AV_CH_SIDE_LEFT or AV_CH_SIDE_RIGHT);
- AV_CH_LAYOUT_QUAD = (AV_CH_LAYOUT_STEREO or AV_CH_BACK_LEFT or AV_CH_BACK_RIGHT);
- AV_CH_LAYOUT_5POINT0 = (AV_CH_LAYOUT_SURROUND or AV_CH_SIDE_LEFT or AV_CH_SIDE_RIGHT);
- AV_CH_LAYOUT_5POINT1 = (AV_CH_LAYOUT_5POINT0 or AV_CH_LOW_FREQUENCY);
- AV_CH_LAYOUT_5POINT0_BACK = (AV_CH_LAYOUT_SURROUND or AV_CH_BACK_LEFT or
- AV_CH_BACK_RIGHT);
- AV_CH_LAYOUT_5POINT1_BACK = (AV_CH_LAYOUT_5POINT0_BACK or AV_CH_LOW_FREQUENCY);
- AV_CH_LAYOUT_7POINT0 = (AV_CH_LAYOUT_5POINT0 or AV_CH_BACK_LEFT or AV_CH_BACK_RIGHT);
- AV_CH_LAYOUT_7POINT1 = (AV_CH_LAYOUT_5POINT1 or AV_CH_BACK_LEFT or AV_CH_BACK_RIGHT);
- AV_CH_LAYOUT_7POINT1_WIDE = (AV_CH_LAYOUT_5POINT1_BACK or
- AV_CH_FRONT_LEFT_OF_CENTER or
- AV_CH_FRONT_RIGHT_OF_CENTER);
- AV_CH_LAYOUT_STEREO_DOWNMIX = (AV_CH_STEREO_LEFT or AV_CH_STEREO_RIGHT);
-
-(**
- * Return a channel layout id that matches name, 0 if no match.
- *)
-function av_get_channel_layout(name: {const} PAnsiChar): cint64;
- cdecl; external av__util;
-
-(**
- * Return a description of a channel layout.
- * If nb_channels is <= 0, it is guessed from the channel_layout.
- *
- * @param buf put here the string containing the channel layout
- * @param buf_size size in bytes of the buffer
- *)
-procedure av_get_channel_layout_string(buf: PAnsiChar; buf_size: cint; nb_channels: cint; channel_layout: cint64);
- cdecl; external av__util;
-
-(**
- * Return the number of channels in the channel layout.
- *)
-function av_get_channel_layout_nb_channels(channel_layout: cint64): cint;
- cdecl; external av__util;