added 3rd party dependencies ( except Jedi-SDL )

modified DPR to statically include all files needed (using relative paths)

this means 3rd party components should not need installation in the IDE, or adding to search paths.

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@368 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 620 insertions, 0 deletions

diff --git a/Game/Code/lib/ffmpeg/avformat.pas b/Game/Code/lib/ffmpeg/avformat.pas
new file mode 100644
index 00000000..0aa98905
--- /dev/null
+++ b/Game/Code/lib/ffmpeg/avformat.pas
@@ -0,0 +1,620 @@
+                                                                              (*

+ * 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

+                                                                              *)

+unit avformat;

+

+interface

+

+uses

+  windows, avcodec, avio, rational, avutil;

+

+const

+  av__format = 'avformat-50.dll';

+

+  LIBAVUTIL_VERSION_INT   =  ((49 shl 16) + (0 shl 8) + 1);

+  LIBAVUTIL_VERSION       = '49.0.1';

+  LIBAVUTIL_BUILD         = LIBAVUTIL_VERSION_INT;

+

+  MAXINT64 = $7fffffffffffffff;

+  MININT64 = $8000000000000000;

+

+  PKT_FLAG_KEY = $0001;

+

+  (* AVImageFormat.flags field constants *)

+  AVIMAGE_INTERLEAVED = $0001; (* image format support interleaved output *)

+  MAX_STREAMS         = 20;

+type

+  int = integer;

+

+  PAVPacket = ^TAVPacket;

+  PAVImageFormat = ^TAVImageFormat;

+  PAVFormatContext = ^TAVFormatContext;

+  PAVFormatParameters = ^TAVFormatParameters;

+  PAVOutputFormat = ^TAVOutputFormat;

+  PAVProbeData = ^TAVProbeData;

+  PAVInputFormat = ^TAVInputFormat;

+  PAVIndexEntry = ^TAVIndexEntry;

+  PAVStream = ^TAVStream;

+  PAVPacketList = ^TAVPacketList;

+  PAVImageInfo = ^TAVImageInfo;

+

+  TAVPacket = record {56}

+    pts: int64;                            ///< presentation time stamp in time_base units

+    dts: int64;                            ///< decompression time stamp in time_base units

+    data: PByte;

+    size: integer;

+    stream_index: integer;

+    flags: integer;

+    duration: integer;                         ///< presentation duration in time_base units (0 if not available)

+    destruct: procedure (p: PAVPacket);

+    priv: pointer;

+    pos: int64;                            ///< byte position in stream, -1 if unknown

+  end;

+

+(*************************************************)

+(* fractional numbers for exact pts handling *)

+

+(* the exact value of the fractional number is: 'val + num / den'. num

+   is assumed to be such as 0 <= num < den *)

+  PAVFrac = ^TAVFrac;

+  TAVFrac = record

+    val, num, den: int64;

+  end;

+

+(*************************************************)

+(* input/output formats *)

+

+(* this structure contains the data a format has to probe a file *)

+  TAVProbeData = record {12}

+    filename: pchar;

+    buf: pchar;

+    buf_size: integer;

+  end;

+

+  TAVFormatParameters = record {56}

+    time_base: TAVRational; (* 8 bytes *)

+    sample_rate: integer;

+    channels: integer;

+    width: integer;

+    height: integer;

+    pix_fmt: TAVPixelFormat;

+    image_format: PAVImageFormat; (* 4 bytes *)

+    channel: integer; (* used to select dv channel *)

+    device: pchar; (* video, audio or DV device *)

+    standard: pchar; (* tv standard, NTSC, PAL, SECAM *)

+//    int mpeg2ts_raw:1;  (* force raw MPEG2 transport stream output, if possible *)

+//    int mpeg2ts_compute_pcr:1; (* compute exact PCR for each transport

+//                                  stream packet (only meaningful if

+//                                  mpeg2ts_raw is TRUE *)

+//    int initial_pause:1;       (* do not begin to play the stream

+//                                  immediately (RTSP only) *)

+    dummy: byte;

+    video_codec_id: TCodecID;

+    audio_codec_id: TCodecID;

+  end;

+

+  TAVOutputFormat = record {56}

+    name: pchar;

+    long_name: pchar;

+    mime_type: pchar;

+    extensions: pchar; (* comma separated extensions *)

+    (* size of private data so that it can be allocated in the wrapper *)

+    priv_data_size: integer;

+    (* output support *)

+    audio_codec: TCodecID; (* default audio codec *)

+    video_codec: TCodecID; (* default video codec *)

+    write_header: function (c: PAVFormatContext): integer; cdecl;

+    write_packet: function (c: PAVFormatContext; pkt: PAVPacket): integer; cdecl;

+    write_trailer: function (c: PAVFormatContext): integer; cdecl;

+    (* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_GLOBALHEADER *)

+    flags: integer;

+    (* currently only used to set pixel format if not YUV420P *)

+    set_parameters: function (c: PAVFormatContext; f: PAVFormatParameters): integer; cdecl;

+    interleave_packet: function (s: PAVFormatContext; _out: PAVPacket; _in: PAVPacket; flush: integer): integer; cdecl;

+    (* private fields *)

+    next: PAVOutputFormat;

+  end;

+

+  TAVInputFormat = record {60}

+    name: pchar;

+    long_name: pchar;

+    (* size of private data so that it can be allocated in the wrapper *)

+    priv_data_size: integer;

+    (* tell if a given file has a chance of being parsing by this format *)

+    read_probe: function (p: PAVProbeData): integer; cdecl;

+    (* read the format header and initialize the AVFormatContext

+       structure. Return 0 if OK. 'ap' if non NULL contains

+       additionnal paramters. Only used in raw format right

+       now. 'av_new_stream' should be called to create new streams.  *)

+    read_header: function (c: PAVFormatContext; ap: PAVFormatParameters): integer; cdecl;

+    (* read one packet and put it in 'pkt'. pts and flags are also

+       set. 'av_new_stream' can be called only if the flag

+       AVFMTCTX_NOHEADER is used. *)

+    read_packet: function (c: PAVFormatContext; pkt: PAVPacket): integer; cdecl;

+    (* close the stream. The AVFormatContext and AVStreams are not

+       freed by this function *)

+    read_close: function (c: PAVFormatContext): integer; cdecl;

+    (*** seek to a given timestamp relative to the frames in

+     * stream component stream_index

+     * @param stream_index must not be -1

+     * @param flags selects which direction should be preferred if no exact

+     *              match is available     *)

+    read_seek: function (c: PAVFormatContext; stream_index: integer;

+                  timestamp: int64; flags: integer): integer; cdecl;

+    (*** gets the next timestamp in AV_TIME_BASE units.     *)

+    read_timestamp: function (s: PAVFormatContext; stream_index: integer;

+                              pos: pint64; pos_limit: int64): integer; cdecl;

+    (* can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER *)

+    flags: integer;

+    (* if extensions are defined, then no probe is done. You should

+       usually not use extension format guessing because it is not

+       reliable enough *)

+    extensions: pchar;

+    (* general purpose read only value that the format can use *)

+    value: integer;

+

+    (* start/resume playing - only meaningful if using a network based format (RTSP) *)

+    read_play: function (c: PAVFormatContext): integer; cdecl;

+

+    (* pause playing - only meaningful if using a network based format  (RTSP) *)

+    read_pause: function (c: PAVFormatContext): integer; cdecl;

+

+    (* private fields *)

+    next: PAVInputFormat;

+  end;

+

+  TAVIndexEntry = record {24}

+    pos: int64;

+    timestamp: int64;

+(* the following 2 flags indicate that the next/prev keyframe is known, and scaning for it isnt needed *)

+    flags: integer;

+    min_distance: integer;         (* min distance between this and the previous keyframe, used to avoid unneeded searching *)

+  end;

+

+  TAVStream = record {168}

+    index: integer;    (* stream index in AVFormatContext *)

+    id: integer;       (* format specific stream id *)

+    codec: PAVCodecContext; (* codec context *)

+    (*** real base frame rate of the stream.

+     * for example if the timebase is 1/90000 and all frames have either

+     * approximately 3600 or 1800 timer ticks then r_frame_rate will be 50/1     *)

+    r_frame_rate: TAVRational;

+    priv_data: pointer;

+    (* internal data used in av_find_stream_info() *)

+    codec_info_duration: int64;

+    codec_info_nb_frames: integer;

+    (* encoding: PTS generation when outputing stream *)

+    pts: TAVFrac;

+

+    (*** this is the fundamental unit of time (in seconds) in terms

+     * of which frame timestamps are represented. for fixed-fps content,

+     * timebase should be 1/framerate and timestamp increments should be

+     * identically 1.     *)

+    time_base: TAVRational;

+    pts_wrap_bits: integer; (* number of bits in pts (used for wrapping control) *)

+    (* ffmpeg.c private use *)

+    stream_copy: integer; (* if TRUE, just copy stream *)

+    discard: TAVDiscard; ///< selects which packets can be discarded at will and dont need to be demuxed

+    //FIXME move stuff to a flags field?

+    (* quality, as it has been removed from AVCodecContext and put in AVVideoFrame

+     * MN:dunno if thats the right place, for it *)

+    quality: single;

+    (* decoding: position of the first frame of the component, in AV_TIME_BASE fractional seconds. *)

+    start_time: int64;

+    (* decoding: duration of the stream, in AV_TIME_BASE fractional seconds. *)

+    duration: int64;

+

+    language: array [0..3] of char; (* ISO 639 3-letter language code (empty string if undefined) *)

+

+    (* av_read_frame() support *)

+    need_parsing: integer;                  ///< 1->full parsing needed, 2->only parse headers dont repack

+    parser: PAVCodecParserContext;

+

+    cur_dts: int64;

+    last_IP_duration: integer;

+    last_IP_pts: int64;

+    (* av_seek_frame() support *)

+    index_entries: PAVIndexEntry; (* only used if the format does not support seeking natively *)

+    nb_index_entries: integer;

+    index_entries_allocated_size: integer;

+

+    nb_frames: int64;                 ///< number of frames in this stream if known or 0

+    pts_buffer: array [0..4] of int64;

+  end;

+

+(* format I/O context *)

+  TAVFormatContext = record {3960}

+    av_class: PAVClass; (* set by av_alloc_format_context *)

+    (* can only be iformat or oformat, not both at the same time *)

+    iformat: PAVInputFormat;

+    oformat: PAVOutputFormat;

+    priv_data: pointer;

+    pb: TByteIOContext;

+    nb_streams: integer;

+    streams: array [0..MAX_STREAMS - 1] of PAVStream;

+    filename: array [0..1023] of char; (* input or output filename *)

+    (* stream info *)

+    timestamp: int64;

+    title: array [0..511] of char;

+    author: array [0..511] of char;

+    copyright: array [0..511] of char;

+    comment: array [0..511] of char;

+    album: array [0..511] of char;

+    year: integer;  (* ID3 year, 0 if none *)

+    track: integer; (* track number, 0 if none *)

+    genre: array [0..31] of char; (* ID3 genre *)

+

+    ctx_flags: integer; (* format specific flags, see AVFMTCTX_xx *)

+    (* private data for pts handling (do not modify directly) *)

+    (* This buffer is only needed when packets were already buffered but

+       not decoded, for example to get the codec parameters in mpeg

+       streams *)

+    packet_buffer: PAVPacketList;

+

+    (* decoding: position of the first frame of the component, in

+       AV_TIME_BASE fractional seconds. NEVER set this value directly:

+       it is deduced from the AVStream values.  *)

+    start_time: int64;

+    (* decoding: duration of the stream, in AV_TIME_BASE fractional

+       seconds. NEVER set this value directly: it is deduced from the

+       AVStream values.  *)

+    duration: int64;

+    (* decoding: total file size. 0 if unknown *)

+    file_size: int64;

+    (* decoding: total stream bitrate in bit/s, 0 if not

+       available. Never set it directly if the file_size and the

+       duration are known as ffmpeg can compute it automatically. *)

+    bit_rate: integer;

+

+    (* av_read_frame() support *)

+    cur_st: PAVStream;

+    cur_ptr: pchar;

+    cur_len: integer;

+    cur_pkt: TAVPacket;

+

+    (* av_seek_frame() support *)

+    data_offset: int64; (* offset of the first packet *)

+    index_built: integer;

+

+    mux_rate: integer;

+    packet_size: integer;

+    preload: integer;

+    max_delay: integer;

+

+    (* number of times to loop output in formats that support it *)

+    loop_output: integer;

+

+    flags: integer;

+    loop_input: integer;

+    (* decoding: size of data to probe; encoding unused *)

+    probesize: cardinal;

+  end;

+

+  TAVPacketList = record {64}

+    pkt: TAVPacket;

+    next: PAVPacketList;

+  end;

+

+(* still image support *)

+  PAVInputImageContext = pointer; // attribute_deprecated;

+//  PAVInputImageContext = pointer; //AVInputImageContext attribute_deprecated;

+

+(* still image support *)

+  TAVImageInfo = record {48}

+    pix_fmt: TAVPixelFormat; (* requested pixel format *)

+    width: integer; (* requested width *)

+    height: integer; (* requested height *)

+    interleaved: integer; (* image is interleaved (e.g. interleaved GIF) *)

+    pict: TAVPicture; (* returned allocated image *)

+  end;

+

+  TAVImageFormat = record {32}

+    name: pchar;

+    extensions: pchar;

+    (* tell if a given file has a chance of being parsing by this format *)

+    img_probe: function (d: PAVProbeData): integer; cdecl;

+    (* read a whole image. 'alloc_cb' is called when the image size is

+       known so that the caller can allocate the image. If 'allo_cb'

+       returns non zero, then the parsing is aborted. Return '0' if

+       OK. *)

+    img_read: function (b: PByteIOContext; alloc_cb: pointer; ptr: pointer): integer; cdecl;

+    (* write the image *)

+    supported_pixel_formats: integer; (* mask of supported formats for output *)

+    img_write: function (b: PByteIOContext; i: PAVImageInfo): integer; cdecl;

+    flags: integer;

+    next: PAVImageFormat;

+  end;

+

+procedure av_destruct_packet_nofree (pkt: PAVPacket);

+  cdecl; external av__format;

+procedure av_destruct_packet (pkt: PAVPacket);

+  cdecl; external av__format;

+

+(* initialize optional fields of a packet *)

+procedure av_init_packet (pkt: PAVPacket);

+

+function av_new_packet(pkt: PAVPacket; size: integer): integer;

+  cdecl; external av__format;

+

+function av_get_packet (s: PByteIOContext; pkt: PAVPacket; size: integer): integer;

+  cdecl; external av__format;

+

+function av_dup_packet (pkt: PAVPacket): integer;

+  cdecl; external av__format;

+

+(** * Free a packet

+ *

+ * @param pkt packet to free *)

+procedure av_free_packet (pkt: PAVPacket);

+

+procedure av_register_image_format (img_fmt: PAVImageFormat);

+    cdecl; external av__format;

+

+function av_probe_image_format (pd: PAVProbeData): PAVImageFormat;

+    cdecl; external av__format;

+

+function guess_image_format (filename: pchar): PAVImageFormat;

+    cdecl; external av__format;

+

+function av_guess_image2_codec(filename: pchar): TCodecID;

+    cdecl; external av__format;

+

+function av_read_image (pb: PByteIOContext; filename: pchar;

+                  fmt: PAVImageFormat;

+                  alloc_cb: pointer; opaque: pointer): integer;

+    cdecl; external av__format;

+

+function av_write_image(pb: PByteIOContext; fmt: PAVImageFormat; img: PAVImageInfo): integer;

+    cdecl; external av__format;

+

+(* XXX: use automatic init with either ELF sections or C file parser *)

+(* modules *)

+

+//#include "rtp.h"

+

+//#include "rtsp.h"

+

+(* utils.c *)

+  procedure av_register_input_format (format: PAVInputFormat);

+    cdecl; external av__format;

+

+  procedure av_register_output_format (format: PAVOutputFormat);

+    cdecl; external av__format;

+

+  function guess_stream_format (short_name: pchar; filename: pchar; mime_type: pchar): PAVOutputFormat;

+    cdecl; external av__format;

+

+  function guess_format(short_name: pchar; filename: pchar; mime_type: pchar): PAVOutputFormat;

+    cdecl; external av__format;

+

+  function av_guess_codec(fmt: PAVOutputFormat; short_name: pchar;

+                          filename: pchar; mime_type: pchar; _type: TCodecType): TCodecID;

+    cdecl; external av__format;

+

+  procedure av_hex_dump (f: HFILE; buf: pchar; size: integer);

+    cdecl; external av__format;

+  procedure av_pkt_dump(f: HFILE; pkt: pAVPacket; dump_payload: integer);

+    cdecl; external av__format;

+

+  procedure av_register_all ();

+    cdecl; external av__format;

+

+

+(* media file input *)

+  function av_find_input_format (short_name: pchar): PAVInputFormat;

+    cdecl; external av__format;

+  function av_probe_input_format (pd: PAVProbeData; is_opened: integer): PAVInputFormat;

+    cdecl; external av__format;

+  function av_open_input_stream (ic_ptr: PAVFormatContext;

+                         pb: PByteIOContext; filename: pchar;

+                         fmt: PAVInputFormat; ap: PAVFormatParameters): integer;

+    cdecl; external av__format;

+(*** Open a media file as input. The codec are not opened. Only the file

+ * header (if present) is read.

+ *

+ * @param ic_ptr the opened media file handle is put here

+ * @param filename filename to open.

+ * @param fmt if non NULL, force the file format to use

+ * @param buf_size optional buffer size (zero if default is OK)

+ * @param ap additionnal parameters needed when opening the file (NULL if default)

+ * @return 0 if OK. AVERROR_xxx otherwise. *)

+

+  function av_open_input_file (var ic_ptr: PAVFormatContext; filename: pchar;

+                       fmt: PAVInputFormat; buf_size: integer;

+                       ap: PAVFormatParameters): integer;

+    cdecl; external av__format;

+

+  (* no av_open for output, so applications will need this: *)

+  function av_alloc_format_context (): PAVFormatContext;

+    cdecl; external av__format;

+

+const

+  AVERROR_UNKNOWN     =(-1);  (* unknown error *)

+  AVERROR_IO          =(-2);  (* i/o error *)

+  AVERROR_NUMEXPECTED =(-3);  (* number syntax expected in filename *)

+  AVERROR_INVALIDDATA =(-4);  (* invalid data found *)

+  AVERROR_NOMEM       =(-5);  (* not enough memory *)

+  AVERROR_NOFMT       =(-6);  (* unknown format *)

+  AVERROR_NOTSUPP     =(-7);  (* operation not supported *)

+

+(*** Read the beginning of a media file to get stream information. This

+ * is useful for file formats with no headers such as MPEG. This

+ * function also compute the real frame rate in case of mpeg2 repeat

+ * frame mode.

+ *

+ * @param ic media file handle

+ * @return >=0 if OK. AVERROR_xxx if error.

+ * @todo let user decide somehow what information is needed so we dont waste time geting stuff the user doesnt need *)

+

+  function av_find_stream_info (ic: PAVFormatContext): integer;

+    cdecl; external av__format;

+  function av_read_packet (s: PAVFormatContext; pkt: PAVPacket): integer;

+    cdecl; external av__format;

+(*** Return the next frame of a stream.

+ *

+ * The returned packet is valid

+ * until the next av_read_frame() or until av_close_input_file() and

+ * must be freed with av_free_packet. For video, the packet contains

+ * exactly one frame. For audio, it contains an integer number of

+ * frames if each frame has a known fixed size (e.g. PCM or ADPCM

+ * data). If the audio frames have a variable size (e.g. MPEG audio),

+ * then it contains one frame.

+ *

+ * pkt->pts, pkt->dts and pkt->duration are always set to correct

+ * values in AV_TIME_BASE unit (and guessed if the format cannot

+ * provided them). pkt->pts can be AV_NOPTS_VALUE if the video format

+ * has B frames, so it is better to rely on pkt->dts if you do not

+ * decompress the payload.

+ *

+ * @return 0 if OK, < 0 if error or end of file. *)

+

+  function av_read_frame (s: PAVFormatContext; pkt: PAVPacket): integer;

+    cdecl; external av__format;

+  function av_seek_frame (s: PAVFormatContext; stream_index: integer; timestamp: int64; flags: integer): integer;

+    cdecl; external av__format;

+  function av_read_play (s: PAVFormatContext): integer;

+    cdecl; external av__format;

+  function av_read_pause (s: PAVFormatContext): integer;

+    cdecl; external av__format;

+  procedure av_close_input_file (s: PAVFormatContext);

+    cdecl; external av__format;

+  function av_new_stream (s: PAVFormatContext; id: integer): PAVStream;

+    cdecl; external av__format;

+  procedure av_set_pts_info (s: PAVStream; pts_wrap_bits: integer;

+                     pts_num: integer; pts_den: integer);

+    cdecl; external av__format;

+

+const

+  AVSEEK_FLAG_BACKWARD =1; ///< seek backward

+  AVSEEK_FLAG_BYTE     =2; ///< seeking based on position in bytes

+  AVSEEK_FLAG_ANY      =4; ///< seek to any frame, even non keyframes

+

+  function av_find_default_stream_index (s: PAVFormatContext): integer;

+    cdecl; external av__format;

+  function av_index_search_timestamp (st: PAVStream; timestamp: int64; flags: integer): integer;

+    cdecl; external av__format;

+  function av_add_index_entry (st: PAVStream; pos: int64; timestamp: int64;

+                    distance: integer; flags: integer): integer;

+    cdecl; external av__format;

+  function av_seek_frame_binary (s: PAVFormatContext; stream_index: integer;

+                   target_ts: int64; flags: integer): integer;

+    cdecl; external av__format;

+

+  procedure av_update_cur_dts (s: PAVFormatContext; ref_st: PAVStream;

+                               timestamp: int64);

+    cdecl; external av__format;

+

+(* media file output *)

+  function av_set_parameters (s: PAVFormatContext; ap: PAVFormatParameters): integer;

+    cdecl; external av__format;

+

+  function av_write_header (s: PAVFormatContext): integer;

+    cdecl; external av__format;

+

+  function av_write_frame(s: PAVFormatContext; pkt: PAVPacket): integer;

+    cdecl; external av__format;

+

+  function av_interleaved_write_frame (s: PAVFormatContext; pkt: PAVPacket): integer;

+    cdecl; external av__format;

+

+  function av_interleave_packet_per_dts(s: PAVFormatContext; _out: PAVPacket;

+                                        pkt: PAVPacket; flush: integer): integer;

+    cdecl; external av__format;

+  function av_write_trailer(s: pAVFormatContext): integer;

+    cdecl; external av__format;

+

+  procedure dump_format(ic: PAVFormatContext; index: integer; url: pchar;

+                 is_output: integer);

+    cdecl; external av__format;

+

+  function parse_image_size(width_ptr: PInteger; height_ptr: PInteger; str: pchar): integer;

+    cdecl; external av__format;

+  function parse_frame_rate (frame_rate: PInteger; frame_rate_base: PInteger; arg: pchar): integer;

+    cdecl; external av__format;

+  function parse_date(datestr: pchar; duration: integer): int64;

+    cdecl; external av__format;

+  function av_gettime (): int64;

+    cdecl; external av__format;

+

+(* ffm specific for ffserver *)

+const

+  FFM_PACKET_SIZE = 4096;

+

+  function ffm_read_write_index (fd: integer): int64;

+    cdecl; external av__format;

+

+  procedure ffm_write_write_index(fd: integer; pos: int64);

+    cdecl; external av__format;

+

+  procedure ffm_set_write_index (s: PAVFormatContext; pos: int64; file_size: int64);

+    cdecl; external av__format;

+

+  function find_info_tag (arg: pchar; arg_size: integer; tag1: pchar; info: pchar): integer;

+    cdecl; external av__format;

+

+  function get_frame_filename(buf: pchar; buf_size: integer;

+                       path: pchar; number: integer): integer;

+    cdecl; external av__format;

+  function filename_number_test (filename: pchar): integer;

+    cdecl; external av__format;

+

+

+(* grab specific *)

+  function video_grab_init (): integer;

+    cdecl; external av__format;

+  function audio_init (): integer;

+    cdecl; external av__format;

+

+(* DV1394 *)

+  function dv1394_init (): integer;

+    cdecl; external av__format;

+  function dc1394_init (): integer;

+    cdecl; external av__format;

+

+  function strstart(str: pchar; val: pchar; ptr: PPointer): integer;

+    cdecl; external av__format;

+  function stristart(str: pchar; val: pchar; ptr: PPointer): integer;

+    cdecl; external av__format;

+  procedure pstrcpy(buf: pchar; buf_size: integer; str: pchar);

+    cdecl; external av__format;

+  function pstrcat(buf: pchar; buf_size: integer; s: pchar): pchar;

+    cdecl; external av__format;

+

+  procedure __dynarray_add (tab_ptr: PPointer; nb_ptr: PInteger; elem: cardinal);

+    cdecl; external av__format;

+

+

+implementation

+

+procedure av_init_packet (pkt: PAVPacket);

+begin

+  pkt.pts   := AV_NOPTS_VALUE;

+  pkt.dts   := AV_NOPTS_VALUE;

+  pkt.pos   := -1;

+  pkt.duration := 0;

+  pkt.flags := 0;

+  pkt.stream_index := 0;

+  pkt.destruct := @av_destruct_packet_nofree;

+end;

+

+procedure av_free_packet (pkt: PAVPacket);

+begin

+  if (pkt <> nil) and (@pkt^.destruct <> nil) then

+    pkt^.destruct (pkt);

+end;

+

+end.