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Diffstat (limited to 'Game/Code/lib/ffmpeg/avio.pas')
| -rw-r--r-- | Game/Code/lib/ffmpeg/avio.pas | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/Game/Code/lib/ffmpeg/avio.pas b/Game/Code/lib/ffmpeg/avio.pas new file mode 100644 index 00000000..5e40bd4e --- /dev/null +++ b/Game/Code/lib/ffmpeg/avio.pas @@ -0,0 +1,256 @@ + (* + * unbuffered io for ffmpeg system + * copyright (c) 2001 Fabrice Bellard + * + * This library 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 of the License, or (at your option) any later version. + * + * This library 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 this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + *) + +(* This is a part of Pascal porting of ffmpeg. Originally by Victor Zinetz for Delphi and Free Pascal on Windows. +For Mac OS X, some modifications were made by The Creative CAT, denoted as CAT +in the source codes *) + +unit avio; +{$IFDEF FPC} + {$MODE DELPHI } (* CAT *) + {$PACKENUM 4} (* every enum type variables uses 4 bytes, CAT *) + {$PACKRECORDS C} (* GCC compatible, Record Packing, CAT *) +{$ENDIF} + +interface (* Widows unit is deleted by CAT *) + +const +(* version numbers are changed by The Creative CAT *) + +{$IFDEF win32} + av__format = 'avformat-50.dll';
+{$ELSE}
+ av__format = 'libavformat.so'; // .0d
+//av__format = 'libavformat.51';
+{$ENDIF} + + + URL_RDONLY = 0; + URL_WRONLY = 1; + URL_RDWR = 2; + +(* output byte stream handling *) + +type + offset_t = int64; + int = integer; + +(* unbuffered I/O *) + PURLProtocol = ^TURLProtocol; + PURLContext = ^TURLContext; + TURLContext = record + prot: PURLProtocol; + flags: int; + is_streamed: int; //* true if streamed (no seek possible), default = false */ + max_packet_size: int; //* if non zero, the stream is packetized with this max packet size */ + priv_data: pointer; + filename: array [0..0] of char; (* specified filename *) + end; + + PURLPollEntry = ^TURLPollEntry; + TURLPollEntry = record + handle: PURLContext; + events: integer; + revents: integer; + end; + + TURLProtocol = record + name: pchar; + url_open: function (h: PURLContext; const filename: pchar; flags: integer): integer; cdecl; + url_read: function (h: PURLContext; buf: pchar; size: integer): integer; cdecl; + url_write: function (h: PURLContext; buf: pchar; size: integer): integer; cdecl; + url_seek: function (h: PURLContext; pos: int64; whence: integer): int64; cdecl; + url_close: function (h: PURLContext): integer; cdecl; + next: PURLProtocol; + end; + + PByteIOContext = ^TByteIOContext; + TByteIOContext = record + buffer: pchar; + buffer_size: integer; + buf_ptr: pchar; + buf_end: pchar; + opaque: pointer; + read_packet: function (opaque: pointer; buf: pchar; buf_size: integer): integer; cdecl; + write_packet: function (opaque: pointer; buf: pchar; buf_size: integer): integer; cdecl; + seek: function (opaque: pointer; offset: int64; whence: integer): int64; cdecl; + pos: int64; (* position in the file of the current buffer *) + must_flush: integer; (* true if the next seek should flush *) + eof_reached: integer; (* true if eof reached *) + write_flag: integer; (* true if open for writing *) + is_streamed: integer; + max_packet_size: integer; + checksum: longword; + checksum_ptr: pchar; + update_checksum: function (checksum: cardinal; const buf: pchar; size: cardinal): LongWord; cdecl; + error: integer; ///< contains the error code or 0 if no error happened + end; + + function url_open(h: PPointer; const filename: pchar; flags: integer): integer; + cdecl; external av__format; + function url_read (h: PURLContext; buf: pchar; size: integer): integer; + cdecl; external av__format; + function url_write (h: PURLContext; buf: pchar; size: integer): integer; + cdecl; external av__format; + function url_seek (h: PURLContext; pos: int64; whence: integer): int64; + cdecl; external av__format; + function url_close (h: PURLContext): integer; + cdecl; external av__format; + function url_exist(const filename: pchar): integer; + cdecl; external av__format; + function url_filesize (h: PURLContext): int64; + cdecl; external av__format; + function url_get_max_packet_size(h: PURLContext): integer; + cdecl; external av__format; + procedure url_get_filename(h: PURLContext; buf: pchar; buf_size: integer); + cdecl; external av__format; + +(* the callback is called in blocking functions to test regulary if + asynchronous interruption is needed. -EINTR is returned in this + case by the interrupted function. 'NULL' means no interrupt + callback is given. *) + procedure url_set_interrupt_cb (interrupt_cb: pinteger); + cdecl; external av__format; + +(* not implemented *) +//int url_poll(URLPollEntry *poll_table, int n, int timeout); + + function register_protocol (protocol: PURLProtocol): integer; + cdecl; external av__format; + + function init_put_byte(s: PByteIOContext; + buffer: pchar; + buffer_size: integer; write_flag: integer; + opaque: pointer; + read_packet: pointer; //int (*read_packet)(void *opaque, uint8_t *buf, int buf_size), + write_packet: pointer; //int (*write_packet)(void *opaque, uint8_t *buf, int buf_size), + seek: pointer //offset_t (*seek)(void *opaque, offset_t offset, int whence) + ): integer; + cdecl; external av__format; + procedure put_byte(s: PByteIOContext; b: integer); + cdecl; external av__format; + procedure put_buffer (s: PByteIOContext; const buf: pchar; size: integer); + cdecl; external av__format; + procedure put_le64(s: PByteIOContext; val: int64); + cdecl; external av__format; + procedure put_be64(s: PByteIOContext; val: int64); + cdecl; external av__format; + procedure put_le32(s: PByteIOContext; val: cardinal); + cdecl; external av__format; + procedure put_be32(s: PByteIOContext; val: cardinal); + cdecl; external av__format; + procedure put_be24(s: PByteIOContext; val: cardinal); + cdecl; external av__format; + procedure put_le16(s: PByteIOContext; val: cardinal); + cdecl; external av__format; + procedure put_be16(s: PByteIOContext; val: cardinal); + cdecl; external av__format; + procedure put_tag(s: PByteIOContext; const tag: pchar); + cdecl; external av__format; + + procedure put_strz(s: PByteIOContext; const buf: pchar); + cdecl; external av__format; + + function url_fseek(s: PByteIOContext; offset: int64; whence: integer): int64; + cdecl; external av__format; + procedure url_fskip(s: PByteIOContext; offset: int64); + cdecl; external av__format; + function url_ftell(s: PByteIOContext): int64; + cdecl; external av__format; + function url_fsize(s: PByteIOContext): int64; + cdecl; external av__format; + function url_feof(s: PByteIOContext): integer; + cdecl; external av__format; + function url_ferror(s: PByteIOContext): integer; + cdecl; external av__format; + + procedure put_flush_packet (s: PByteIOContext); + cdecl; external av__format; + function get_buffer(s: PByteIOContext; buf: pchar; size: integer): integer; + cdecl; external av__format; + function get_partial_buffer(s: PByteIOContext; buf: pchar; size: integer): integer; + cdecl; external av__format; + function get_byte(s: PByteIOContext): integer; + cdecl; external av__format; + function get_le32(s: PByteIOContext): cardinal; + cdecl; external av__format; + function get_le64(s: PByteIOContext): int64; + cdecl; external av__format; + function get_le16(s: PByteIOContext): cardinal; + cdecl; external av__format; + + function get_strz(s: PByteIOContext; buf: pchar; maxlen: integer): pchar; + cdecl; external av__format; + function get_be16(s: PByteIOContext): cardinal; + cdecl; external av__format; + function get_be24(s: PByteIOContext): cardinal; + cdecl; external av__format; + function get_be32(s: PByteIOContext): cardinal; + cdecl; external av__format; + function get_be64(s: PByteIOContext): int64; + cdecl; external av__format; + + function url_is_streamed(s: PByteIOContext): integer; + + function url_fdopen (s: PByteIOContext; h: PURLContext): integer; + cdecl; external av__format; + function url_setbufsize (s: PByteIOContext; buf_size: integer): integer; + cdecl; external av__format; + function url_fopen(s: PByteIOContext; const filename: pchar; flags: integer): integer; + cdecl; external av__format; + function url_fclose(s: PByteIOContext): integer; + cdecl; external av__format; + + function url_fileno(s: PByteIOContext): PURLContext; + cdecl; external av__format; + function url_fget_max_packet_size (s: PByteIOContext): integer; + cdecl; external av__format; + function url_open_buf(s: PByteIOContext; buf: pchar; buf_size: integer; flags: integer): integer; + cdecl; external av__format; + function url_close_buf(s: PByteIOContext): integer; + cdecl; external av__format; + + function url_open_dyn_buf(s: PByteIOContext): integer; + cdecl; external av__format; + function url_open_dyn_packet_buf(s: PByteIOContext; max_packet_size: integer): integer; + cdecl; external av__format; + function url_close_dyn_buf(s: PByteIOContext; pbuffer:PPointer): integer; + cdecl; external av__format; + + function get_checksum(s: PByteIOContext): cardinal; + cdecl; external av__format; + + procedure init_checksum (s: PByteIOContext; update_checksum: pointer; checksum: cardinal); + cdecl; external av__format; + + function udp_set_remote_url(h: PURLContext; const uri: pchar): integer; + cdecl; external av__format; + function udp_get_local_port(h: PURLContext): integer; + cdecl; external av__format; + function udp_get_file_handle(h: PURLContext): integer; + cdecl; external av__format; + +implementation + +function url_is_streamed(s: PByteIOContext): integer; +begin + Result := s^.is_streamed; +end; + +end. |