diff options
Diffstat (limited to 'Game/Code/lib/ffmpeg/avcodec.pas')
| -rw-r--r-- | Game/Code/lib/ffmpeg/avcodec.pas | 132 |
1 files changed, 93 insertions, 39 deletions
diff --git a/Game/Code/lib/ffmpeg/avcodec.pas b/Game/Code/lib/ffmpeg/avcodec.pas index bef5f687..c82bc329 100644 --- a/Game/Code/lib/ffmpeg/avcodec.pas +++ b/Game/Code/lib/ffmpeg/avcodec.pas @@ -15,32 +15,35 @@ * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, 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 avcodec; +{$LINKLIB libavutil} +{$LINKLIB libavcodec} +{$MODE DELPHI } (* CAT *) +{$PACKENUM 4} (* every enum type variables uses 4 bytes, CAT *) +{$PACKRECORDS C} (* GCC compatible, Record Packing, CAT *) + interface uses - {$IFDEF win32} - windows, - {$ENDIF} - avutil, - rational, - opt; + avutil, rational, opt; // CAT const - {$IFDEF win32} - av__format = 'avformat-50.dll'; - {$ELSE} - av__format = 'libavformat.so'; // .0d - {$ENDIF} +(* version numbers are changed by The Creative CAT *) + av__format = 'libavformat.51'; - - LIBAVUTIL_VERSION_INT = ((51 shl 16) + (16 shl 8) + 0); - LIBAVUTIL_VERSION = '51.16.0'; + LIBAVUTIL_VERSION_INT = ((51 shl 16) + (12 shl 8) + 1); + LIBAVUTIL_VERSION = '51.12.1'; LIBAVUTIL_BUILD = LIBAVUTIL_VERSION_INT; AV_NOPTS_VALUE: int64 = $8000000000000000; AV_TIME_BASE = 1000000; + AV_TIME_BASE_Q : TAVRational = (num:1; den:AV_TIME_BASE); (* added by CAT *) type TCodecID = ( @@ -119,7 +122,8 @@ type CODEC_TYPE_VIDEO, CODEC_TYPE_AUDIO, CODEC_TYPE_DATA, - CODEC_TYPE_SUBTITLE + CODEC_TYPE_SUBTITLE, + CODEC_TYPE_NB (* CAT#3 *) ); //* currently unused, may be used if 24/32 bits samples ever supported */ @@ -347,11 +351,11 @@ type TAVFrame = record {200} (*** pointer to the picture planes. * this might be different from the first allocated byte *) - data: array [0..3] of pointer; + data: array [0..3] of pbyte; linesize: array [0..3] of integer; (*** pointer to the first allocated byte of the picture. can be used in get_buffer/release_buffer * this isn't used by lavc unless the default get/release_buffer() is used*) - base: array [0..3] of pchar; + base: array [0..3] of pbyte; (*** 1 -> keyframe, 0-> not *) key_frame: integer; (*** picture type of the frame, see ?_TYPE below.*) @@ -374,7 +378,7 @@ type (*** QP store stride*) qstride: integer; (*** mbskip_table[mb]>=1 if MB didnt change*) - mbskip_table: pchar; + mbskip_table: pbyte; (** * Motion vector table. * @code @@ -403,9 +407,9 @@ type (*** when decoding, this signal how much the picture must be delayed. * extra_delay = repeat_pict / (2*fps)*) repeat_pict: integer; - qscale_type: Integer; + qscale_type: integer; (*** The content of the picture is interlaced.*) - interlaced_frame: Integer; + interlaced_frame: integer; (*** if the content is interlaced, is top field displayed first.*) top_field_first: integer; (*** Pan scan.*) @@ -416,9 +420,9 @@ type * - decoding: set by lavc (before get_buffer() call))*) buffer_hints: integer; (*** DCT coeffitients*) - dct_coeff: PSmallInt; + dct_coeff: PsmallInt; (*** Motion referece frame index*) - ref_index: array [0..1] of pchar; + ref_index: array [0..1] of pshortint; end; const @@ -573,12 +577,12 @@ const X264_PART_B8X8 = $100; (* Analyse b16x8, b8x16 and b8x8 *) type - PAVCLASS = ^TAVCLASS; + PAVClass = ^TAVClass; PAVCodecContext = ^TAVCodecContext; PAVCodec = ^TAVCodec; PAVPaletteControl = ^TAVPaletteControl; - TAVCLASS = record {12} + TAVclass = record {12} class_name: pchar; (* actually passing a pointer to an AVCodecContext or AVFormatContext, which begin with an AVClass. @@ -629,7 +633,7 @@ type * - encoding: set/allocated/freed by lavc. * - decoding: set/allocated/freed by user. *) - extradata: pointer; + extradata: pbyte; extradata_size: integer; (** @@ -787,8 +791,8 @@ type * this is used to workaround some encoder bugs * - encoding: set by user, if not then the default based on codec_id will be used * - decoding: set by user, will be converted to upper case by lavc during init *) -// codec_tag: cardinal; // можно array [0..3] of char - тогда видно FOURCC - codec_tag: array [0..3] of char; + codec_tag: cardinal; // можно array [0..3] of char - тогда видно FOURCC +// codec_tag: array [0..3] of char; (*** workaround bugs in encoders which sometimes cannot be detected automatically. * - encoding: set by user @@ -966,7 +970,7 @@ type (*** slice offsets in the frame in bytes. * - encoding: set/allocated by lavc * - decoding: set/allocated by user (or NULL) *) - slice_offset: PInteger; + slice_offset: Pinteger; (*** error concealment flags. * - encoding: unused @@ -1517,7 +1521,7 @@ type _type: TCodecType; id: TCodecID; priv_data_size: integer; - init: function (avctx: pAVCodecContext): integer; cdecl; + init: function (avctx: PAVCodecContext): integer; cdecl; (* typo corretion by the Creative CAT *) encode: function (avctx: PAVCodecContext; buf: pchar; buf_size: integer; data: pointer): integer; cdecl; close: function (avctx: PAVCodecContext): integer; cdecl; decode: function (avctx: PAVCodecContext; outdata: pointer; outdata_size: PInteger; @@ -1731,12 +1735,18 @@ procedure av_resample_close (c: PAVResampleContext); procedure avcodec_get_context_defaults (s: PAVCodecContext); cdecl; external av__codec; - function avcodec_alloc_context (): PAVCodecContext; + function avcodec_alloc_context : PAVCodecContext; cdecl; external av__codec; +(* favourite of The Creative CAT + function avcodec_alloc_context (): PAVCodecContext; + cdecl; external av__codec; *) procedure avcodec_get_frame_defaults (pic: PAVFrame); cdecl; external av__codec; - function avcodec_alloc_frame (): PAVFrame; + function avcodec_alloc_frame : PAVFrame; cdecl; external av__codec; +(* favourite of The Creative CAT + function avcodec_alloc_frame (): PAVFrame; + cdecl; external av__codec; *) function avcodec_default_get_buffer (s: PAVCodecContext; pic: PAVFrame): integer; cdecl; external av__codec; @@ -1782,9 +1792,15 @@ procedure av_resample_close (c: PAVResampleContext); * @return 0 if successful, -1 if not. *) +(** This comment was added by the Creative CAT. frame_size_ptr was changed to + variable refference. + + * @deprecated Use avcodec_decode_audio2() instead. + *) + function avcodec_decode_audio (avctx: PAVCodecContext; samples: Pword; - frame_size_ptr: pinteger; - buf: pchar; buf_size: integer): integer; + var frame_size_ptr: integer; + buf: pchar; buf_size: integer): integer; cdecl; external av__codec; (* decode a frame. * @param buf bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE larger then the actual read bytes @@ -1793,8 +1809,47 @@ procedure av_resample_close (c: PAVResampleContext); * @param got_picture_ptr zero if no frame could be decompressed, Otherwise, it is non zero * @return -1 if error, otherwise return the number of * bytes used. *) + + function avcodec_decode_audio2(avctx : PAVCodecContext; samples : PWord; + var frame_size_ptr : integer; + buf: pchar; buf_size: integer): integer; + cdecl; external av__codec; +(* Added by The Creative CAT +/** + * Decodes a video frame from \p buf into \p picture. + * The avcodec_decode_video() function decodes a video frame from the input + * buffer \p buf of size \p buf_size. To decode it, it makes use of the + * video codec which was coupled with \p avctx using avcodec_open(). The + * resulting decoded frame is stored in \p picture. + * + * @warning The input buffer must be \c FF_INPUT_BUFFER_PADDING_SIZE larger than + * the actual read bytes because some optimized bitstream readers read 32 or 64 + * bits at once and could read over the end. + * + * @warning The end of the input buffer \p buf should be set to 0 to ensure that + * no overreading happens for damaged MPEG streams. + * + * @note You might have to align the input buffer \p buf and output buffer \p + * samples. The alignment requirements depend on the CPU: on some CPUs it isn't + * necessary at all, on others it won't work at all if not aligned and on others + * it will work but it will have an impact on performance. In practice, the + * bitstream should have 4 byte alignment at minimum and all sample data should + * be 16 byte aligned unless the CPU doesn't need it (AltiVec and SSE do). If + * the linesize is not a multiple of 16 then there's no sense in aligning the + * start of the buffer to 16. + * + * @param avctx the codec context + * @param[out] picture The AVFrame in which the decoded video frame will be stored. + * @param[in] buf the input buffer + * @param[in] buf_size the size of the input buffer in bytes + * @param[in,out] got_picture_ptr Zero if no frame could be decompressed, otherwise, it is nonzero. + * @return On error a negative value is returned, otherwise the number of bytes + * used or zero if no frame could be decompressed. + */ +*) + function avcodec_decode_video (avctx: PAVCodecContext; picture: PAVFrame; - got_picture_ptr: pinteger; + var got_picture_ptr: integer; (* favour of The Creative CAT *) buf: PByte; buf_size: integer): integer; cdecl; external av__codec; @@ -1802,19 +1857,18 @@ procedure av_resample_close (c: PAVResampleContext); got_sub_ptr: pinteger; const buf: pchar; buf_size: integer): integer; cdecl; external av__codec; - - {$IFNDEF FPC} function avcodec_parse_frame (avctx: PAVCodecContext; pdata: PPointer; data_size_ptr: pinteger; buf: pchar; buf_size: integer): integer; cdecl; external av__codec; - {$ENDIF} + function avcodec_encode_audio (avctx: PAVCodecContext; buf: PByte; - buf_size: integer; const samples: Pword): integer; + buf_size: integer; const samples: PWord): integer; cdecl; external av__codec; (* avcodec_encode_video: -1 if error *) - function avcodec_encode_video (avctx: PAVCodecContext; buf: pointer; + (* type of the second argument is changed by The Creative CAT *) + function avcodec_encode_video (avctx: PAVCodecContext; buf: PByte; buf_size: integer; pict: PAVFrame): integer; cdecl; external av__codec; function avcodec_encode_subtitle (avctx: PAVCodecContext; buf: pchar; |