From 30343a531999b5e50673ee1731f1c54cbc008dfd Mon Sep 17 00:00:00 2001 From: jaybinks Date: Wed, 5 Sep 2007 12:02:06 +0000 Subject: 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 --- Game/Code/lib/ffmpeg/avcodec.pas | 1968 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 1968 insertions(+) create mode 100644 Game/Code/lib/ffmpeg/avcodec.pas (limited to 'Game/Code/lib/ffmpeg/avcodec.pas') diff --git a/Game/Code/lib/ffmpeg/avcodec.pas b/Game/Code/lib/ffmpeg/avcodec.pas new file mode 100644 index 00000000..978b5fb6 --- /dev/null +++ b/Game/Code/lib/ffmpeg/avcodec.pas @@ -0,0 +1,1968 @@ + (* + * 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 St, Fifth Floor, Boston, MA 02110-1301 USA + *) +unit avcodec; + +interface + +uses + windows, avutil, rational, opt; + +const + av__format = 'avformat-50.dll'; + + LIBAVUTIL_VERSION_INT = ((51 shl 16) + (16 shl 8) + 0); + LIBAVUTIL_VERSION = '51.16.0'; + LIBAVUTIL_BUILD = LIBAVUTIL_VERSION_INT; + + AV_NOPTS_VALUE: int64 = $8000000000000000; + AV_TIME_BASE = 1000000; + +type + TCodecID = ( + CODEC_ID_NONE, CODEC_ID_MPEG1VIDEO, + CODEC_ID_MPEG2VIDEO, //* prefered ID for MPEG Video 1 or 2 decoding */ + CODEC_ID_MPEG2VIDEO_XVMC, CODEC_ID_H261, CODEC_ID_H263, CODEC_ID_RV10, + CODEC_ID_RV20, CODEC_ID_MJPEG, CODEC_ID_MJPEGB, CODEC_ID_LJPEG, + CODEC_ID_SP5X, CODEC_ID_JPEGLS, CODEC_ID_MPEG4, CODEC_ID_RAWVIDEO, + CODEC_ID_MSMPEG4V1, CODEC_ID_MSMPEG4V2, CODEC_ID_MSMPEG4V3, + CODEC_ID_WMV1, CODEC_ID_WMV2, CODEC_ID_H263P, + CODEC_ID_H263I, CODEC_ID_FLV1, CODEC_ID_SVQ1, CODEC_ID_SVQ3, + CODEC_ID_DVVIDEO, CODEC_ID_HUFFYUV, CODEC_ID_CYUV, CODEC_ID_H264, + CODEC_ID_INDEO3, CODEC_ID_VP3, CODEC_ID_THEORA, CODEC_ID_ASV1, + CODEC_ID_ASV2, CODEC_ID_FFV1, CODEC_ID_4XM, CODEC_ID_VCR1, + CODEC_ID_CLJR, CODEC_ID_MDEC, CODEC_ID_ROQ, CODEC_ID_INTERPLAY_VIDEO, + CODEC_ID_XAN_WC3, CODEC_ID_XAN_WC4, CODEC_ID_RPZA, CODEC_ID_CINEPAK, + CODEC_ID_WS_VQA, CODEC_ID_MSRLE, CODEC_ID_MSVIDEO1, CODEC_ID_IDCIN, + CODEC_ID_8BPS, CODEC_ID_SMC, CODEC_ID_FLIC, CODEC_ID_TRUEMOTION1, + CODEC_ID_VMDVIDEO, CODEC_ID_MSZH, CODEC_ID_ZLIB, CODEC_ID_QTRLE, + CODEC_ID_SNOW, CODEC_ID_TSCC, CODEC_ID_ULTI, CODEC_ID_QDRAW, + CODEC_ID_VIXL, CODEC_ID_QPEG, CODEC_ID_XVID, CODEC_ID_PNG, + CODEC_ID_PPM, CODEC_ID_PBM, CODEC_ID_PGM, CODEC_ID_PGMYUV, + CODEC_ID_PAM, CODEC_ID_FFVHUFF, CODEC_ID_RV30, CODEC_ID_RV40, + CODEC_ID_VC1, CODEC_ID_WMV3, CODEC_ID_LOCO, CODEC_ID_WNV1, + CODEC_ID_AASC, CODEC_ID_INDEO2, CODEC_ID_FRAPS, CODEC_ID_TRUEMOTION2, + CODEC_ID_BMP, CODEC_ID_CSCD, CODEC_ID_MMVIDEO, CODEC_ID_ZMBV, + CODEC_ID_AVS, CODEC_ID_SMACKVIDEO, CODEC_ID_NUV, CODEC_ID_KMVC, + CODEC_ID_FLASHSV, CODEC_ID_CAVS, CODEC_ID_JPEG2000, CODEC_ID_VMNC, + CODEC_ID_VP5, CODEC_ID_VP6, CODEC_ID_VP6F, + + //* various pcm "codecs" */ + CODEC_ID_PCM_S16LE= $10000, CODEC_ID_PCM_S16BE, CODEC_ID_PCM_U16LE, + CODEC_ID_PCM_U16BE, CODEC_ID_PCM_S8, CODEC_ID_PCM_U8, CODEC_ID_PCM_MULAW, + CODEC_ID_PCM_ALAW, CODEC_ID_PCM_S32LE, CODEC_ID_PCM_S32BE, CODEC_ID_PCM_U32LE, + CODEC_ID_PCM_U32BE, CODEC_ID_PCM_S24LE, CODEC_ID_PCM_S24BE, CODEC_ID_PCM_U24LE, + CODEC_ID_PCM_U24BE, CODEC_ID_PCM_S24DAUD, + //* various adpcm codecs */ + CODEC_ID_ADPCM_IMA_QT= $11000, CODEC_ID_ADPCM_IMA_WAV, CODEC_ID_ADPCM_IMA_DK3, + CODEC_ID_ADPCM_IMA_DK4, CODEC_ID_ADPCM_IMA_WS, CODEC_ID_ADPCM_IMA_SMJPEG, + CODEC_ID_ADPCM_MS, CODEC_ID_ADPCM_4XM, CODEC_ID_ADPCM_XA, CODEC_ID_ADPCM_ADX, + CODEC_ID_ADPCM_EA, CODEC_ID_ADPCM_G726, CODEC_ID_ADPCM_CT, CODEC_ID_ADPCM_SWF, + CODEC_ID_ADPCM_YAMAHA, CODEC_ID_ADPCM_SBPRO_4, CODEC_ID_ADPCM_SBPRO_3, + CODEC_ID_ADPCM_SBPRO_2, + //* AMR */ + CODEC_ID_AMR_NB= $12000, CODEC_ID_AMR_WB, + //* RealAudio codecs*/ + CODEC_ID_RA_144= $13000, CODEC_ID_RA_288, + //* various DPCM codecs */ + CODEC_ID_ROQ_DPCM= $14000, CODEC_ID_INTERPLAY_DPCM, CODEC_ID_XAN_DPCM, + CODEC_ID_SOL_DPCM, CODEC_ID_MP2= $15000, + CODEC_ID_MP3, //* prefered ID for MPEG Audio layer 1, 2 or3 decoding */ + CODEC_ID_AAC, CODEC_ID_MPEG4AAC, CODEC_ID_AC3, CODEC_ID_DTS, CODEC_ID_VORBIS, + CODEC_ID_DVAUDIO, CODEC_ID_WMAV1, CODEC_ID_WMAV2, CODEC_ID_MACE3, + CODEC_ID_MACE6, CODEC_ID_VMDAUDIO, CODEC_ID_SONIC, CODEC_ID_SONIC_LS, + CODEC_ID_FLAC, CODEC_ID_MP3ADU, CODEC_ID_MP3ON4, CODEC_ID_SHORTEN, + CODEC_ID_ALAC, CODEC_ID_WESTWOOD_SND1, CODEC_ID_GSM, CODEC_ID_QDM2, + CODEC_ID_COOK, CODEC_ID_TRUESPEECH, CODEC_ID_TTA, CODEC_ID_SMACKAUDIO, + CODEC_ID_QCELP, CODEC_ID_WAVPACK, + //* subtitle codecs */ + CODEC_ID_DVD_SUBTITLE= $17000, CODEC_ID_DVB_SUBTITLE, + + CODEC_ID_MPEG2TS= $20000 //* _FAKE_ codec to indicate a raw MPEG2 transport + // stream (only used by libavformat) */ + ); + +//* CODEC_ID_MP3LAME is absolete */ +const + CODEC_ID_MP3LAME = CODEC_ID_MP3; + + AVPALETTE_SIZE = 1024; + AVPALETTE_COUNT = 256; + +type + TCodecType = ( + CODEC_TYPE_UNKNOWN = -1, + CODEC_TYPE_VIDEO, + CODEC_TYPE_AUDIO, + CODEC_TYPE_DATA, + CODEC_TYPE_SUBTITLE + ); + +//* currently unused, may be used if 24/32 bits samples ever supported */ +//* all in native endian */ + TSampleFormat = ( + SAMPLE_FMT_NONE = -1, + SAMPLE_FMT_U8, ///< unsigned 8 bits + SAMPLE_FMT_S16, ///< signed 16 bits + SAMPLE_FMT_S24, ///< signed 24 bits + SAMPLE_FMT_S32, ///< signed 32 bits + SAMPLE_FMT_FLT ///< float + ); + +const +//* in bytes */ + AVCODEC_MAX_AUDIO_FRAME_SIZE = 192000; // 1 second of 48khz 32bit audio + +(** + * Required number of additionally allocated bytes at the end of the input bitstream for decoding. + * this is mainly needed because some optimized bitstream readers read + * 32 or 64 bit at once and could read over the end
+ * Note, if the first 23 bits of the additional bytes are not 0 then damaged + * MPEG bitstreams could cause overread and segfault + *) + FF_INPUT_BUFFER_PADDING_SIZE = 8; + +(** + * minimum encoding buffer size. + * used to avoid some checks during header writing + *) + FF_MIN_BUFFER_SIZE = 16384; + +type +//* motion estimation type, EPZS by default */ + TMotion_Est_ID = ( + ME_ZERO = 1, + ME_FULL, + ME_LOG, + ME_PHODS, + ME_EPZS, + ME_X1, + ME_HEX, + ME_UMH, + ME_ITER + ); + + TAVDiscard = ( +//we leave some space between them for extensions (drop some keyframes for intra only or drop just some bidir frames) + AVDISCARD_NONE = -16, ///< discard nothing + AVDISCARD_DEFAULT= 0, ///< discard useless packets like 0 size packets in avi + AVDISCARD_NONREF = 8, ///< discard all non reference + AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames + AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes + AVDISCARD_ALL = 48, ///< discard all + AVDISCARD_FUCK = $FFFFFF + ); + + PRcOverride = ^TRcOverride; + TRcOverride = record {16} + start_frame: integer; + end_frame: integer; + qscale: integer; // if this is 0 then quality_factor will be used instead + quality_factor: single; + end; + +const + FF_MAX_B_FRAMES = 16; + +(* encoding support + these flags can be passed in AVCodecContext.flags before initing + Note: not everything is supported yet. +*) + + CODEC_FLAG_QSCALE = $0002; ///< use fixed qscale + CODEC_FLAG_4MV = $0004; ///< 4 MV per MB allowed / Advanced prediction for H263 + CODEC_FLAG_QPEL = $0010; ///< use qpel MC + CODEC_FLAG_GMC = $0020; ///< use GMC + CODEC_FLAG_MV0 = $0040; ///< always try a MB with MV=<0,0> + CODEC_FLAG_PART = $0080; ///< use data partitioning +//* parent program gurantees that the input for b-frame containing streams is not written to +// for at least s->max_b_frames+1 frames, if this is not set than the input will be copied */ + CODEC_FLAG_INPUT_PRESERVED = $0100; + CODEC_FLAG_PASS1 = $0200; ///< use internal 2pass ratecontrol in first pass mode + CODEC_FLAG_PASS2 = $0400; ///< use internal 2pass ratecontrol in second pass mode + CODEC_FLAG_EXTERN_HUFF = $1000; ///< use external huffman table (for mjpeg) + CODEC_FLAG_GRAY = $2000; ///< only decode/encode grayscale + CODEC_FLAG_EMU_EDGE = $4000; ///< don't draw edges + CODEC_FLAG_PSNR = $8000; ///< error[?] variables will be set during encoding + CODEC_FLAG_TRUNCATED = $00010000; //** input bitstream might be truncated at a random location instead + // of only at frame boundaries */ + CODEC_FLAG_NORMALIZE_AQP = $00020000; ///< normalize adaptive quantization + CODEC_FLAG_INTERLACED_DCT = $00040000; ///< use interlaced dct + CODEC_FLAG_LOW_DELAY = $00080000; ///< force low delay + CODEC_FLAG_ALT_SCAN = $00100000; ///< use alternate scan + CODEC_FLAG_TRELLIS_QUANT = $00200000; ///< use trellis quantization + CODEC_FLAG_GLOBAL_HEADER = $00400000; ///< place global headers in extradata instead of every keyframe + CODEC_FLAG_BITEXACT = $00800000; ///< use only bitexact stuff (except (i)dct) +//* Fx : Flag for h263+ extra options */ + CODEC_FLAG_H263P_AIC = $01000000; ///< H263 Advanced intra coding / MPEG4 AC prediction (remove this) + CODEC_FLAG_AC_PRED = $01000000; ///< H263 Advanced intra coding / MPEG4 AC prediction + CODEC_FLAG_H263P_UMV = $02000000; ///< Unlimited motion vector + CODEC_FLAG_CBP_RD = $04000000; ///< use rate distortion optimization for cbp + CODEC_FLAG_QP_RD = $08000000; ///< use rate distortion optimization for qp selectioon + CODEC_FLAG_H263P_AIV = $00000008; ///< H263 Alternative inter vlc + CODEC_FLAG_OBMC = $00000001; ///< OBMC + CODEC_FLAG_LOOP_FILTER = $00000800; ///< loop filter + CODEC_FLAG_H263P_SLICE_STRUCT = $10000000; + CODEC_FLAG_INTERLACED_ME = $20000000; ///< interlaced motion estimation + CODEC_FLAG_SVCD_SCAN_OFFSET = $40000000; ///< will reserve space for SVCD scan offset user data + CODEC_FLAG_CLOSED_GOP = $80000000; + CODEC_FLAG2_FAST = $00000001; ///< allow non spec compliant speedup tricks + CODEC_FLAG2_STRICT_GOP = $00000002; ///< strictly enforce GOP size + CODEC_FLAG2_NO_OUTPUT = $00000004; ///< skip bitstream encoding + CODEC_FLAG2_LOCAL_HEADER = $00000008; ///< place global headers at every keyframe instead of in extradata + CODEC_FLAG2_BPYRAMID = $00000010; ///< H.264 allow b-frames to be used as references + CODEC_FLAG2_WPRED = $00000020; ///< H.264 weighted biprediction for b-frames + CODEC_FLAG2_MIXED_REFS = $00000040; ///< H.264 multiple references per partition + CODEC_FLAG2_8X8DCT = $00000080; ///< H.264 high profile 8x8 transform + CODEC_FLAG2_FASTPSKIP = $00000100; ///< H.264 fast pskip + CODEC_FLAG2_AUD = $00000200; ///< H.264 access unit delimiters + CODEC_FLAG2_BRDO = $00000400; ///< b-frame rate-distortion optimization + CODEC_FLAG2_INTRA_VLC = $00000800; ///< use MPEG-2 intra VLC table + CODEC_FLAG2_MEMC_ONLY = $00001000; ///< only do ME/MC (I frames -> ref, P frame -> ME+MC) + +(* Unsupported options : + * Syntax Arithmetic coding (SAC) + * Reference Picture Selection + * Independant Segment Decoding */ +/* /Fx */ +/* codec capabilities *) + +const + CODEC_CAP_DRAW_HORIZ_BAND = $001; ///< decoder can use draw_horiz_band callback +(** + * Codec uses get_buffer() for allocating buffers. + * direct rendering method 1 *) + CODEC_CAP_DR1 = $002; +(* if 'parse_only' field is true, then avcodec_parse_frame() can be used *) + CODEC_CAP_PARSE_ONLY = $004; + CODEC_CAP_TRUNCATED = $008; +//* codec can export data for HW decoding (XvMC) */ + CODEC_CAP_HWACCEL = $010; + +(** + * codec has a non zero delay and needs to be feeded with NULL at the end to get the delayed data. + * if this is not set, the codec is guranteed to never be feeded with NULL data *) + CODEC_CAP_DELAY = $0020; +(** + * Codec can be fed a final frame with a smaller size. + * This can be used to prevent truncation of the last audio samples. *) + CODEC_CAP_SMALL_LAST_FRAME = $0040; + +//the following defines may change, don't expect compatibility if you use them + MB_TYPE_INTRA4x4 = $001; + MB_TYPE_INTRA16x16 = $002; //FIXME h264 specific + MB_TYPE_INTRA_PCM = $004; //FIXME h264 specific + MB_TYPE_16x16 = $008; + MB_TYPE_16x8 = $010; + MB_TYPE_8x16 = $020; + MB_TYPE_8x8 = $040; + MB_TYPE_INTERLACED = $080; + MB_TYPE_DIRECT2 = $100; //FIXME + MB_TYPE_ACPRED = $200; + MB_TYPE_GMC = $400; + MB_TYPE_SKIP = $800; + MB_TYPE_P0L0 = $1000; + MB_TYPE_P1L0 = $2000; + MB_TYPE_P0L1 = $4000; + MB_TYPE_P1L1 = $8000; + MB_TYPE_L0 = (MB_TYPE_P0L0 or MB_TYPE_P1L0); + MB_TYPE_L1 = (MB_TYPE_P0L1 or MB_TYPE_P1L1); + MB_TYPE_L0L1 = (MB_TYPE_L0 or MB_TYPE_L1); + MB_TYPE_QUANT = $0010000; + MB_TYPE_CBP = $0020000; +//Note bits 24-31 are reserved for codec specific use (h264 ref0, mpeg1 0mv, ...) + +type +(** + * Pan Scan area. + * this specifies the area which should be displayed. Note there may be multiple such areas for one frame *) + PAVPanScan = ^TAVPanScan; + TAVPanScan = record {24} + (*** id. + * - encoding: set by user. + * - decoding: set by lavc *) + id: integer; + + (*** width and height in 1/16 pel + * - encoding: set by user. + * - decoding: set by lavc *) + width: integer; + height: integer; + + (*** position of the top left corner in 1/16 pel for up to 3 fields/frames. + * - encoding: set by user. + * - decoding: set by lavc *) + position: array [0..2] of array [0..1] of smallint; + end; + +const + FF_QSCALE_TYPE_MPEG1 = 0; + FF_QSCALE_TYPE_MPEG2 = 1; + + FF_BUFFER_TYPE_INTERNAL = 1; + FF_BUFFER_TYPE_USER = 2; ///< Direct rendering buffers (image is (de)allocated by user) + FF_BUFFER_TYPE_SHARED = 4; ///< buffer from somewhere else, don't dealloc image (data/base), all other tables are not shared + FF_BUFFER_TYPE_COPY = 8; ///< just a (modified) copy of some other buffer, don't dealloc anything + + + FF_I_TYPE = 1; // Intra + FF_P_TYPE = 2; // Predicted + FF_B_TYPE = 3; // Bi-dir predicted + FF_S_TYPE = 4; // S(GMC)-VOP MPEG4 + FF_SI_TYPE = 5; + FF_SP_TYPE = 6; + + FF_BUFFER_HINTS_VALID = $01; // Buffer hints value is meaningful (if 0 ignore) + FF_BUFFER_HINTS_READABLE = $02; // Codec will read from buffer + FF_BUFFER_HINTS_PRESERVE = $04; // User must not alter buffer content + FF_BUFFER_HINTS_REUSABLE = $08; // Codec will reuse the buffer (update) + +type + (*** Audio Video Frame. *) + PAVFrame = ^TAVFrame; + TAVFrame = record {200} + (*** pointer to the picture planes. + * this might be different from the first allocated byte *) + data: array [0..3] of pointer; + 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; + (*** 1 -> keyframe, 0-> not *) + key_frame: integer; + (*** picture type of the frame, see ?_TYPE below.*) + pict_type: integer; + (*** presentation timestamp in time_base units (time when frame should be shown to user) + * if AV_NOPTS_VALUE then frame_rate = 1/time_base will be assumed*) + pts: int64; + (*** picture number in bitstream order.*) + coded_picture_number: integer; + (*** picture number in display order.*) + display_picture_number: integer; + (*** quality (between 1 (good) and FF_LAMBDA_MAX (bad)) *) + quality: integer; + (*** buffer age (1->was last buffer and dint change, 2->..., ...).*) + age: integer; + (*** is this picture used as reference*) + reference: integer; + (*** QP table*) + qscale_table: pchar; + (*** QP store stride*) + qstride: integer; + (*** mbskip_table[mb]>=1 if MB didnt change*) + mbskip_table: pchar; + (** + * Motion vector table. + * @code + * example: + * int mv_sample_log2= 4 - motion_subsample_log2; + * int mb_width= (width+15)>>4; + * int mv_stride= (mb_width << mv_sample_log2) + 1; + * motion_val[direction][x + y*mv_stride][0->mv_x, 1->mv_y]; + * @endcode + * - encoding: set by user + * - decoding: set by lavc *) + motion_val: array [0..1] of pointer; + (*** Macroblock type table + * mb_type_base + mb_width + 2 *) + mb_type: PCardinal; + (*** log2 of the size of the block which a single vector in motion_val represents: + * (4->16x16, 3->8x8, 2-> 4x4, 1-> 2x2)*) + motion_subsample_log2: byte; + (*** for some private data of the user*) + opaque: pointer; + (*** error*) + error: array [0..3] of int64; + (*** type of the buffer (to keep track of who has to dealloc data[*]) + * Note: user allocated (direct rendering) & internal buffers can not coexist currently*) + _type: integer; + (*** when decoding, this signal how much the picture must be delayed. + * extra_delay = repeat_pict / (2*fps)*) + repeat_pict: integer; + qscale_type: Integer; + (*** The content of the picture is interlaced.*) + interlaced_frame: Integer; + (*** if the content is interlaced, is top field displayed first.*) + top_field_first: integer; + (*** Pan scan.*) + pan_scan: PAVPanScan; + (*** tell user application that palette has changed from previous frame.*) + palette_has_changed: integer; + (*** Codec suggestion on buffer type if != 0 + * - decoding: set by lavc (before get_buffer() call))*) + buffer_hints: integer; + (*** DCT coeffitients*) + dct_coeff: PSmallInt; + (*** Motion referece frame index*) + ref_index: array [0..1] of pchar; + end; + +const + DEFAULT_FRAME_RATE_BASE = 1001000; + + FF_BUG_AUTODETECT = 1; ///< autodetection + FF_BUG_OLD_MSMPEG4 = 2; + FF_BUG_XVID_ILACE = 4; + FF_BUG_UMP4 = 8; + FF_BUG_NO_PADDING = 16; + FF_BUG_AMV = 32; + FF_BUG_AC_VLC = 0; ///< will be removed, libavcodec can now handle these non compliant files by default + FF_BUG_QPEL_CHROMA = 64; + FF_BUG_STD_QPEL = 128; + FF_BUG_QPEL_CHROMA2 = 256; + FF_BUG_DIRECT_BLOCKSIZE = 512; + FF_BUG_EDGE = 1024; + FF_BUG_HPEL_CHROMA = 2048; + FF_BUG_DC_CLIP = 4096; + FF_BUG_MS = 8192; ///< workaround various bugs in microsofts broken decoders + + FF_COMPLIANCE_VERY_STRICT = 2; ///< strictly conform to a older more strict version of the spec or reference software + FF_COMPLIANCE_STRICT = 1; ///< strictly conform to all the things in the spec no matter what consequences + FF_COMPLIANCE_NORMAL = 0; + FF_COMPLIANCE_INOFFICIAL = -1; ///< allow inofficial extensions + FF_COMPLIANCE_EXPERIMENTAL = -2; ///< allow non standarized experimental things + + FF_ER_CAREFUL = 1; + FF_ER_COMPLIANT = 2; + FF_ER_AGGRESSIVE = 3; + FF_ER_VERY_AGGRESSIVE = 4; + + FF_DCT_AUTO = 0; + FF_DCT_FASTINT = 1; + FF_DCT_INT = 2; + FF_DCT_MMX = 3; + FF_DCT_MLIB = 4; + FF_DCT_ALTIVEC = 5; + FF_DCT_FAAN = 6; + + FF_IDCT_AUTO = 0; + FF_IDCT_INT = 1; + FF_IDCT_SIMPLE = 2; + FF_IDCT_SIMPLEMMX = 3; + FF_IDCT_LIBMPEG2MMX = 4; + FF_IDCT_PS2 = 5; + FF_IDCT_MLIB = 6; + FF_IDCT_ARM = 7; + FF_IDCT_ALTIVEC = 8; + FF_IDCT_SH4 = 9; + FF_IDCT_SIMPLEARM = 10; + FF_IDCT_H264 = 11; + FF_IDCT_VP3 = 12; + FF_IDCT_IPP = 13; + FF_IDCT_XVIDMMX = 14; + + FF_EC_GUESS_MVS = 1; + FF_EC_DEBLOCK = 2; + + FF_MM_FORCE = $80000000; (* force usage of selected flags (OR) *) + (* lower 16 bits - CPU features *) + + FF_MM_MMX = $0001; (* standard MMX *) + FF_MM_3DNOW = $0004; (* AMD 3DNOW *) + FF_MM_MMXEXT = $0002; (* SSE integer functions or AMD MMX ext *) + FF_MM_SSE = $0008; (* SSE functions *) + FF_MM_SSE2 = $0010; (* PIV SSE2 functions *) + FF_MM_3DNOWEXT = $0020; (* AMD 3DNowExt *) + FF_MM_IWMMXT = $0100; (* XScale IWMMXT *) + + FF_PRED_LEFT = 0; + FF_PRED_PLANE = 1; + FF_PRED_MEDIAN = 2; + + FF_DEBUG_PICT_INFO = 1; + FF_DEBUG_RC = 2; + FF_DEBUG_BITSTREAM = 4; + FF_DEBUG_MB_TYPE = 8; + FF_DEBUG_QP = 16; + FF_DEBUG_MV = 32; + FF_DEBUG_DCT_COEFF = $00000040; + FF_DEBUG_SKIP = $00000080; + FF_DEBUG_STARTCODE = $00000100; + FF_DEBUG_PTS = $00000200; + FF_DEBUG_ER = $00000400; + FF_DEBUG_MMCO = $00000800; + FF_DEBUG_BUGS = $00001000; + FF_DEBUG_VIS_QP = $00002000; + FF_DEBUG_VIS_MB_TYPE = $00004000; + + FF_DEBUG_VIS_MV_P_FOR = $00000001; //visualize forward predicted MVs of P frames + FF_DEBUG_VIS_MV_B_FOR = $00000002; //visualize forward predicted MVs of B frames + FF_DEBUG_VIS_MV_B_BACK = $00000004; //visualize backward predicted MVs of B frames + + FF_CMP_SAD = 0; + FF_CMP_SSE = 1; + FF_CMP_SATD = 2; + FF_CMP_DCT = 3; + FF_CMP_PSNR = 4; + FF_CMP_BIT = 5; + FF_CMP_RD = 6; + FF_CMP_ZERO = 7; + FF_CMP_VSAD = 8; + FF_CMP_VSSE = 9; + FF_CMP_NSSE = 10; + FF_CMP_W53 = 11; + FF_CMP_W97 = 12; + FF_CMP_DCTMAX = 13; + FF_CMP_CHROMA = 256; + + FF_DTG_AFD_SAME = 8; + FF_DTG_AFD_4_3 = 9; + FF_DTG_AFD_16_9 = 10; + FF_DTG_AFD_14_9 = 11; + FF_DTG_AFD_4_3_SP_14_9 = 13; + FF_DTG_AFD_16_9_SP_14_9 = 14; + FF_DTG_AFD_SP_4_3 = 15; + + FF_DEFAULT_QUANT_BIAS = 999999; + + FF_LAMBDA_SHIFT = 7; + FF_LAMBDA_SCALE = (1 shl FF_LAMBDA_SHIFT); + FF_QP2LAMBDA = 118; ///< factor to convert from H.263 QP to lambda + FF_LAMBDA_MAX = (256 * 128 - 1); + + FF_QUALITY_SCALE = FF_LAMBDA_SCALE; //FIXME maybe remove + + FF_CODER_TYPE_VLC = 0; + FF_CODER_TYPE_AC = 1; + + SLICE_FLAG_CODED_ORDER = $0001; ///< draw_horiz_band() is called in coded order instead of display + SLICE_FLAG_ALLOW_FIELD = $0002; ///< allow draw_horiz_band() with field slices (MPEG2 field pics) + SLICE_FLAG_ALLOW_PLANE = $0004; ///< allow draw_horiz_band() with 1 component at a time (SVQ1) + + FF_MB_DECISION_SIMPLE = 0; ///< uses mb_cmp + FF_MB_DECISION_BITS = 1; ///< chooses the one which needs the fewest bits + FF_MB_DECISION_RD = 2; ///< rate distoration + + FF_AA_AUTO = 0; + FF_AA_FASTINT = 1; //not implemented yet + FF_AA_INT = 2; + FF_AA_FLOAT = 3; + + FF_PROFILE_UNKNOWN = -99; + + FF_LEVEL_UNKNOWN = -99; + + X264_PART_I4X4 = $001; (* Analyse i4x4 *) + X264_PART_I8X8 = $002; (* Analyse i8x8 (requires 8x8 transform) *) + X264_PART_P8X8 = $010; (* Analyse p16x8, p8x16 and p8x8 *) + X264_PART_P4X4 = $020; (* Analyse p8x4, p4x8, p4x4 *) + X264_PART_B8X8 = $100; (* Analyse b16x8, b8x16 and b8x8 *) + +type + PAVCLASS = ^TAVCLASS; + PAVCodecContext = ^TAVCodecContext; + PAVCodec = ^TAVCodec; + PAVPaletteControl = ^TAVPaletteControl; + + TAVCLASS = record {12} + class_name: pchar; + (* actually passing a pointer to an AVCodecContext + or AVFormatContext, which begin with an AVClass. + Needed because av_log is in libavcodec and has no visibility + of AVIn/OutputFormat *) + item_name: function (): pchar; cdecl; + option: PAVOption; + end; + + TAVCodecContext = record {720} + (*** Info on struct for av_log + * - set by avcodec_alloc_context *) + av_class: PAVClass; + (*** the average bitrate. + * - encoding: set by user. unused for constant quantizer encoding + * - decoding: set by lavc. 0 or some bitrate if this info is available in the stream *) + bit_rate: integer; + (*** number of bits the bitstream is allowed to diverge from the reference. + * the reference can be CBR (for CBR pass1) or VBR (for pass2) + * - encoding: set by user. unused for constant quantizer encoding + * - decoding: unused *) + bit_rate_tolerance: integer; + (*** CODEC_FLAG_*. + * - encoding: set by user. + * - decoding: set by user. *) + flags: integer; + (*** some codecs needs additionnal format info. It is stored here + * - encoding: set by user. + * - decoding: set by lavc. (FIXME is this ok?) *) + sub_id: integer; + + (** + * motion estimation algorithm used for video coding. + * 1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex), + * 8 (umh), 9 (iter) [7, 8 are x264 specific, 9 is snow specific] + * - encoding: MUST be set by user. + * - decoding: unused *) + me_method: integer; + + (** + * some codecs need / can use extra-data like huffman tables. + * mjpeg: huffman tables + * rv10: additional flags + * mpeg4: global headers (they can be in the bitstream or here) + * the allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger + * then extradata_size to avoid prolems if its read with the bitstream reader + * the bytewise contents of extradata must not depend on the architecture or cpu endianness + * - encoding: set/allocated/freed by lavc. + * - decoding: set/allocated/freed by user. + *) + extradata: pointer; + extradata_size: integer; + + (** + * 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. + * - encoding: MUST be set by user + * - decoding: set by lavc. *) + time_base: TAVRational; + + (* video only *) + (*** picture width / height. + * - encoding: MUST be set by user. + * - decoding: set by lavc. + * Note, for compatibility its possible to set this instead of + * coded_width/height before decoding *) + width, height: integer; + (*** the number of pictures in a group of pitures, or 0 for intra_only. + * - encoding: set by user. + * - decoding: unused *) + gop_size: integer; + (*** pixel format, see PIX_FMT_xxx. + * - encoding: set by user. + * - decoding: set by lavc. *) + pix_fmt: TAVPixelFormat; + (*** Frame rate emulation. If not zero lower layer (i.e. format handler) + * has to read frames at native frame rate. + * - encoding: set by user. + * - decoding: unused. *) + rate_emu: integer; + (*** if non NULL, 'draw_horiz_band' is called by the libavcodec + * decoder to draw an horizontal band. It improve cache usage. Not + * all codecs can do that. You must check the codec capabilities + * before + * - encoding: unused + * - decoding: set by user. + * @param height the height of the slice + * @param y the y position of the slice + * @param type 1->top field, 2->bottom field, 3->frame + * @param offset offset into the AVFrame.data from which the slice should be read *) + draw_horiz_band: procedure (s: PAVCodecContext; + const src: PAVFrame; offset: PInteger; + y: integer; _type: integer; height: integer); cdecl; + + (* audio only *) + sample_rate: integer; ///< samples per sec + channels: integer; + (*** audio sample format. + * - encoding: set by user. + * - decoding: set by lavc. *) + sample_fmt: TSampleFormat; ///< sample format, currenly unused + + (* the following data should not be initialized *) + (*** samples per packet. initialized when calling 'init' *) + frame_size: integer; + frame_number: integer; ///< audio or video frame number + real_pict_num: integer; ///< returns the real picture number of previous encoded frame + + (*** number of frames the decoded output will be delayed relative to + * the encoded input. + * - encoding: set by lavc. + * - decoding: unused *) + delay: integer; + + (* - encoding parameters *) + qcompress: single; ///< amount of qscale change between easy & hard scenes (0.0-1.0) + qblur: single; ///< amount of qscale smoothing over time (0.0-1.0) + + (*** minimum quantizer. + * - encoding: set by user. + * - decoding: unused *) + qmin: integer; + + (*** maximum quantizer. + * - encoding: set by user. + * - decoding: unused *) + qmax: integer; + + (*** maximum quantizer difference etween frames. + * - encoding: set by user. + * - decoding: unused *) + max_qdiff: integer; + + (*** maximum number of b frames between non b frames. + * note: the output will be delayed by max_b_frames+1 relative to the input + * - encoding: set by user. + * - decoding: unused *) + max_b_frames: integer; + + (*** qscale factor between ip and b frames. + * - encoding: set by user. + * - decoding: unused *) + b_quant_factor: single; + + (** obsolete FIXME remove *) + rc_strategy: integer; + b_frame_strategy: integer; + + (*** hurry up amount. + * deprecated in favor of skip_idct and skip_frame + * - encoding: unused + * - decoding: set by user. 1-> skip b frames, 2-> skip idct/dequant too, 5-> skip everything except header *) + hurry_up: integer; + + codec: PAVCodec; + + priv_data: pointer; + + (* unused, FIXME remove*) + rtp_mode: integer; + + rtp_payload_size: integer; (* The size of the RTP payload: the coder will *) + (* do it's best to deliver a chunk with size *) + (* below rtp_payload_size, the chunk will start *) + (* with a start code on some codecs like H.263 *) + (* This doesn't take account of any particular *) + (* headers inside the transmited RTP payload *) + + + (* The RTP callback: This function is called *) + (* every time the encoder has a packet to send *) + (* Depends on the encoder if the data starts *) + (* with a Start Code (it should) H.263 does. *) + (* mb_nb contains the number of macroblocks *) + (* encoded in the RTP payload *) + rtp_callback: procedure (avctx: PAVCodecContext; data: pointer; + size: integer; mb_nb: integer); cdecl; + + (* statistics, used for 2-pass encoding *) + mv_bits: integer; + header_bits: integer; + i_tex_bits: integer; + p_tex_bits: integer; + i_count: integer; + p_count: integer; + skip_count: integer; + misc_bits: integer; + + (*** number of bits used for the previously encoded frame. + * - encoding: set by lavc + * - decoding: unused *) + frame_bits: integer; + + (*** private data of the user, can be used to carry app specific stuff. + * - encoding: set by user + * - decoding: set by user *) + opaque: pointer; + + codec_name: array [0..31] of char; + codec_type: TCodecType; (* see CODEC_TYPE_xxx *) + codec_id: TCodecID; (* see CODEC_ID_xxx *) + + (*** fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). + * 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; + + (*** workaround bugs in encoders which sometimes cannot be detected automatically. + * - encoding: set by user + * - decoding: set by user *) + workaround_bugs: integer; + + (*** luma single coeff elimination threshold. + * - encoding: set by user + * - decoding: unused *) + luma_elim_threshold: integer; + + (*** chroma single coeff elimination threshold. + * - encoding: set by user + * - decoding: unused *) + chroma_elim_threshold: integer; + + (*** strictly follow the std (MPEG4, ...). + * - encoding: set by user + * - decoding: unused *) + strict_std_compliance: integer; + + (*** qscale offset between ip and b frames. + * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset) + * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset) + * - encoding: set by user. + * - decoding: unused *) + b_quant_offset: single; + + (*** error resilience higher values will detect more errors but may missdetect + * some more or less valid parts as errors. + * - encoding: unused + * - decoding: set by user *) + error_resilience: integer; + + (*** called at the beginning of each frame to get a buffer for it. + * if pic.reference is set then the frame will be read later by lavc + * avcodec_align_dimensions() should be used to find the required width and + * height, as they normally need to be rounded up to the next multiple of 16 + * - encoding: unused + * - decoding: set by lavc, user can override *) + get_buffer: function (c: PAVCodecContext; pic: PAVFrame): integer; cdecl; + + (*** called to release buffers which where allocated with get_buffer. + * a released buffer can be reused in get_buffer() + * pic.data[*] must be set to NULL + * - encoding: unused + * - decoding: set by lavc, user can override *) + release_buffer: procedure (c: PAVCodecContext; pic: PAVFrame); cdecl; + + (*** if 1 the stream has a 1 frame delay during decoding. + * - encoding: set by lavc + * - decoding: set by lavc *) + has_b_frames: integer; + + (*** number of bytes per packet if constant and known or 0 + * used by some WAV based audio codecs *) + block_align: integer; + + parse_only: integer; (* - decoding only: if true, only parsing is done + (function avcodec_parse_frame()). The frame + data is returned. Only MPEG codecs support this now. *) + + (*** 0-> h263 quant 1-> mpeg quant. + * - encoding: set by user. + * - decoding: unused *) + mpeg_quant: integer; + + (*** pass1 encoding statistics output buffer. + * - encoding: set by lavc + * - decoding: unused *) + stats_out: pchar; + + (*** pass2 encoding statistics input buffer. + * concatenated stuff from stats_out of pass1 should be placed here + * - encoding: allocated/set/freed by user + * - decoding: unused *) + stats_in: pchar; + + (*** ratecontrol qmin qmax limiting method. + * 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax + * - encoding: set by user. + * - decoding: unused *) + rc_qsquish: single; + + rc_qmod_amp: single; + rc_qmod_freq: integer; + + (*** ratecontrol override, see RcOverride. + * - encoding: allocated/set/freed by user. + * - decoding: unused *) + rc_override: PRcOverride; + rc_override_count: integer; + + (*** rate control equation. + * - encoding: set by user + * - decoding: unused *) + rc_eq: pchar; + + (*** maximum bitrate. + * - encoding: set by user. + * - decoding: unused *) + rc_max_rate: integer; + + (*** minimum bitrate. + * - encoding: set by user. + * - decoding: unused *) + rc_min_rate: integer; + + (*** decoder bitstream buffer size. + * - encoding: set by user. + * - decoding: unused *) + rc_buffer_size: integer; + rc_buffer_aggressivity: single; + + (*** qscale factor between p and i frames. + * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset) + * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset) + * - encoding: set by user. + * - decoding: unused *) + i_quant_factor: single; + + (*** qscale offset between p and i frames. + * - encoding: set by user. + * - decoding: unused *) + i_quant_offset: single; + + (*** initial complexity for pass1 ratecontrol. + * - encoding: set by user. + * - decoding: unused *) + rc_initial_cplx: single; + + (*** dct algorithm, see FF_DCT_* below. + * - encoding: set by user + * - decoding: unused *) + dct_algo: integer; + + (*** luminance masking (0-> disabled). + * - encoding: set by user + * - decoding: unused *) + lumi_masking: single; + + (*** temporary complexity masking (0-> disabled). + * - encoding: set by user + * - decoding: unused *) + temporal_cplx_masking: single; + + (*** spatial complexity masking (0-> disabled). + * - encoding: set by user + * - decoding: unused *) + spatial_cplx_masking: single; + + (** * p block masking (0-> disabled). + * - encoding: set by user + * - decoding: unused *) + p_masking: single; + + (*** darkness masking (0-> disabled). + * - encoding: set by user + * - decoding: unused *) + dark_masking: single; + + (* for binary compatibility *) + unused: integer; + + (*** idct algorithm, see FF_IDCT_* below. + * - encoding: set by user + * - decoding: set by user *) + idct_algo: integer; + + (*** slice count. + * - encoding: set by lavc + * - decoding: set by user (or 0) *) + slice_count: integer; + + (*** slice offsets in the frame in bytes. + * - encoding: set/allocated by lavc + * - decoding: set/allocated by user (or NULL) *) + slice_offset: PInteger; + + (*** error concealment flags. + * - encoding: unused + * - decoding: set by user *) + error_concealment: integer; + + (*** dsp_mask could be add used to disable unwanted CPU features + * CPU features (i.e. MMX, SSE. ...) + * + * with FORCE flag you may instead enable given CPU features + * (Dangerous: usable in case of misdetection, improper usage however will + * result into program crash) *) + dsp_mask: cardinal; + + (*** bits per sample/pixel from the demuxer (needed for huffyuv). + * - encoding: set by lavc + * - decoding: set by user *) + bits_per_sample: integer; + + (*** prediction method (needed for huffyuv). + * - encoding: set by user + * - decoding: unused *) + prediction_method: integer; + + (*** sample aspect ratio (0 if unknown). + * numerator and denominator must be relative prime and smaller then 256 for some video standards + * - encoding: set by user. + * - decoding: set by lavc. *) + sample_aspect_ratio: TAVRational; + + (*** the picture in the bitstream. + * - encoding: set by lavc + * - decoding: set by lavc *) + coded_frame: PAVFrame; + + (*** debug. + * - encoding: set by user. + * - decoding: set by user. *) + debug: integer; + + (*** debug. + * - encoding: set by user. + * - decoding: set by user. *) + debug_mv: integer; + + (** error. + * - encoding: set by lavc if flags&CODEC_FLAG_PSNR + * - decoding: unused *) + error: array [0..3] of int64; + + (*** minimum MB quantizer. + * - encoding: unused + * - decoding: unused *) + mb_qmin: integer; + + (*** maximum MB quantizer. + * - encoding: unused + * - decoding: unused *) + mb_qmax: integer; + + (*** motion estimation compare function. + * - encoding: set by user. + * - decoding: unused *) + me_cmp: integer; + + (*** subpixel motion estimation compare function. + * - encoding: set by user. + * - decoding: unused *) + me_sub_cmp: integer; + (*** macroblock compare function (not supported yet). + * - encoding: set by user. + * - decoding: unused *) + mb_cmp: integer; + (*** interlaced dct compare function + * - encoding: set by user. + * - decoding: unused *) + ildct_cmp: integer; + (*** ME diamond size & shape. + * - encoding: set by user. + * - decoding: unused *) + dia_size: integer; + + (*** amount of previous MV predictors (2a+1 x 2a+1 square). + * - encoding: set by user. + * - decoding: unused *) + last_predictor_count: integer; + + (*** pre pass for motion estimation. + * - encoding: set by user. + * - decoding: unused *) + pre_me: integer; + + (*** motion estimation pre pass compare function. + * - encoding: set by user. + * - decoding: unused *) + me_pre_cmp: integer; + + (*** ME pre pass diamond size & shape. + * - encoding: set by user. + * - decoding: unused *) + pre_dia_size: integer; + + (*** subpel ME quality. + * - encoding: set by user. + * - decoding: unused *) + me_subpel_quality: integer; + + (*** callback to negotiate the pixelFormat. + * @param fmt is the list of formats which are supported by the codec, + * its terminated by -1 as 0 is a valid format, the formats are ordered by quality + * the first is allways the native one + * @return the choosen format + * - encoding: unused + * - decoding: set by user, if not set then the native format will always be choosen + *) + get_format: function (s: PAVCodecContext; const fmt: PAVPixelFormat): TAVPixelFormat; cdecl; + + (*** DTG active format information (additionnal aspect ratio + * information only used in DVB MPEG2 transport streams). 0 if + * not set. + * - encoding: unused. + * - decoding: set by decoder *) + dtg_active_format: integer; + + (*** Maximum motion estimation search range in subpel units. + * if 0 then no limit + * - encoding: set by user. + * - decoding: unused. *) + me_range: integer; + + (*** intra quantizer bias. + * - encoding: set by user. + * - decoding: unused *) + intra_quant_bias: integer; + + (*** inter quantizer bias. + * - encoding: set by user. + * - decoding: unused *) + inter_quant_bias: integer; + + (*** color table ID. + * - encoding: unused. + * - decoding: which clrtable should be used for 8bit RGB images + * table have to be stored somewhere FIXME *) + color_table_id: integer; + + (*** internal_buffer count. + * Don't touch, used by lavc default_get_buffer() *) + internal_buffer_count: integer; + + (*** internal_buffers. + * Don't touch, used by lavc default_get_buffer() *) + internal_buffer: pointer; + + (*** global quality for codecs which cannot change it per frame. + * this should be proportional to MPEG1/2/4 qscale. + * - encoding: set by user. + * - decoding: unused *) + global_quality: integer; + + (*** coder type + * - encoding: set by user. + * - decoding: unused *) + coder_type: integer; + + (*** context model + * - encoding: set by user. + * - decoding: unused *) + context_model: integer; + + (*** slice flags + * - encoding: unused + * - decoding: set by user. *) + slice_flags: integer; + + (*** XVideo Motion Acceleration + * - encoding: forbidden + * - decoding: set by decoder *) + xvmc_acceleration: integer; + + (*** macroblock decision mode + * - encoding: set by user. + * - decoding: unused *) + mb_decision: integer; + + (*** custom intra quantization matrix + * - encoding: set by user, can be NULL + * - decoding: set by lavc *) + intra_matrix: Pword; + + (*** custom inter quantization matrix + * - encoding: set by user, can be NULL + * - decoding: set by lavc *) + inter_matrix: Pword; + + (*** fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). + * this is used to workaround some encoder bugs + * - encoding: unused + * - decoding: set by user, will be converted to upper case by lavc during init *) + stream_codec_tag: array [0..3] of char; //cardinal; + + (*** scene change detection threshold. + * 0 is default, larger means fewer detected scene changes + * - encoding: set by user. + * - decoding: unused *) + scenechange_threshold: integer; + + (*** minimum lagrange multipler + * - encoding: set by user. + * - decoding: unused *) + lmin: integer; + + (*** maximum lagrange multipler + * - encoding: set by user. + * - decoding: unused *) + lmax: integer; + + (*** Palette control structure + * - encoding: ??? (no palette-enabled encoder yet) + * - decoding: set by user. *) + palctrl: PAVPaletteControl; + + (*** noise reduction strength + * - encoding: set by user. + * - decoding: unused *) + noise_reduction: integer; + + (*** called at the beginning of a frame to get cr buffer for it. + * buffer type (size, hints) must be the same. lavc won't check it. + * lavc will pass previous buffer in pic, function should return + * same buffer or new buffer with old frame "painted" into it. + * if pic.data[0] == NULL must behave like get_buffer(). + * - encoding: unused + * - decoding: set by lavc, user can override *) + reget_buffer: function (c: PAVCodecContext; pic: PAVFrame): integer; cdecl; + + (*** number of bits which should be loaded into the rc buffer before decoding starts + * - encoding: set by user. + * - decoding: unused *) + rc_initial_buffer_occupancy: integer; + inter_threshold: integer; + + (*** CODEC_FLAG2_*. + * - encoding: set by user. + * - decoding: set by user. *) + flags2: integer; + + (*** simulates errors in the bitstream to test error concealment. + * - encoding: set by user. + * - decoding: unused. *) + error_rate: integer; + + (*** MP3 antialias algorithm, see FF_AA_* below. + * - encoding: unused + * - decoding: set by user *) + antialias_algo: integer; + + (*** Quantizer noise shaping. + * - encoding: set by user + * - decoding: unused *) + quantizer_noise_shaping: integer; + + (*** Thread count. + * is used to decide how many independant tasks should be passed to execute() + * - encoding: set by user + * - decoding: set by user *) + thread_count: integer; + + (*** the codec may call this to execute several independant things. it will return only after + * finishing all tasks, the user may replace this with some multithreaded implementation, the + * default implementation will execute the parts serially + * @param count the number of things to execute + * - encoding: set by lavc, user can override + * - decoding: set by lavc, user can override *) + execute: function (c: PAVCodecContext; func: pointer; arg: PPointer; ret: PInteger; count: integer): integer; cdecl; + + (*** Thread opaque. + * can be used by execute() to store some per AVCodecContext stuff. + * - encoding: set by execute() + * - decoding: set by execute() *) + thread_opaque: pointer; + + (*** Motion estimation threshold. under which no motion estimation is + * performed, but instead the user specified motion vectors are used + * - encoding: set by user + * - decoding: unused *) + me_threshold: integer; + + (*** Macroblock threshold. under which the user specified macroblock types will be used + * - encoding: set by user + * - decoding: unused *) + mb_threshold: integer; + + (*** precision of the intra dc coefficient - 8. + * - encoding: set by user + * - decoding: unused *) + intra_dc_precision: integer; + + (*** noise vs. sse weight for the nsse comparsion function. + * - encoding: set by user + * - decoding: unused *) + nsse_weight: integer; + + (*** number of macroblock rows at the top which are skipped. + * - encoding: unused + * - decoding: set by user *) + skip_top: integer; + + (*** number of macroblock rows at the bottom which are skipped. + * - encoding: unused + * - decoding: set by user *) + skip_bottom: integer; + + (*** profile + * - encoding: set by user + * - decoding: set by lavc *) + profile: integer; + + (*** level + * - encoding: set by user + * - decoding: set by lavc *) + level: integer; + + (*** low resolution decoding. 1-> 1/2 size, 2->1/4 size + * - encoding: unused + * - decoding: set by user *) + lowres: integer; + + (*** bitsream width / height. may be different from width/height if lowres + * or other things are used + * - encoding: unused + * - decoding: set by user before init if known, codec should override / dynamically change if needed *) + coded_width, coded_height: integer; + + (*** frame skip threshold + * - encoding: set by user + * - decoding: unused *) + frame_skip_threshold: integer; + + (*** frame skip factor + * - encoding: set by user + * - decoding: unused *) + frame_skip_factor: integer; + + (*** frame skip exponent + * - encoding: set by user + * - decoding: unused *) + frame_skip_exp: integer; + + (*** frame skip comparission function + * - encoding: set by user. + * - decoding: unused *) + frame_skip_cmp: integer; + + (*** border processing masking. raises the quantizer for mbs on the borders + * of the picture. + * - encoding: set by user + * - decoding: unused *) + border_masking: single; + + (*** minimum MB lagrange multipler. + * - encoding: set by user. + * - decoding: unused *) + mb_lmin: integer; + + (*** maximum MB lagrange multipler. + * - encoding: set by user. + * - decoding: unused *) + mb_lmax: integer; + + (*** + * - encoding: set by user. + * - decoding: unused *) + me_penalty_compensation: integer; + + (*** + * - encoding: unused + * - decoding: set by user. *) + skip_loop_filter: TAVDiscard; + + (** * + * - encoding: unused + * - decoding: set by user. *) + skip_idct: TAVDiscard; + + (** * + * - encoding: unused + * - decoding: set by user. *) + skip_frame: TAVDiscard; + + (** * + * - encoding: set by user. + * - decoding: unused *) + bidir_refine: integer; + + (** * + * - encoding: set by user. + * - decoding: unused *) + brd_scale: integer; + + (** + * constant rate factor - quality-based VBR - values ~correspond to qps + * - encoding: set by user. + * - decoding: unused *) + crf: integer; + + (** + * constant quantization parameter rate control method + * - encoding: set by user. + * - decoding: unused *) + cqp: integer; + + (** + * minimum gop size + * - encoding: set by user. + * - decoding: unused *) + keyint_min: integer; + + (** + * number of reference frames + * - encoding: set by user. + * - decoding: unused *) + refs: integer; + + (** + * chroma qp offset from luma + * - encoding: set by user. + * - decoding: unused *) + chromaoffset: integer; + + (** + * influences how often b-frames are used + * - encoding: set by user. + * - decoding: unused *) + bframebias: integer; + + (** + * trellis RD quantization + * - encoding: set by user. + * - decoding: unused *) + trellis: integer; + + (** + * reduce fluctuations in qp (before curve compression) + * - encoding: set by user. + * - decoding: unused *) + complexityblur: single; + + (** + * in-loop deblocking filter alphac0 parameter + * alpha is in the range -6...6 + * - encoding: set by user. + * - decoding: unused *) + deblockalpha: integer; + + (** + * in-loop deblocking filter beta parameter + * beta is in the range -6...6 + * - encoding: set by user. + * - decoding: unused *) + deblockbeta: integer; + + (** + * macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4 + * - encoding: set by user. + * - decoding: unused *) + partitions: integer; + + (** + * direct mv prediction mode - 0 (none), 1 (spatial), 2 (temporal) + * - encoding: set by user. + * - decoding: unused *) + directpred: integer; + + (** + * audio cutoff bandwidth (0 means "automatic") . Currently used only by FAAC + * - encoding: set by user. + * - decoding: unused *) + cutoff: integer; + + (** + * multiplied by qscale for each frame and added to scene_change_score + * - encoding: set by user. + * - decoding: unused *) + scenechange_factor: integer; + + (** * + * note: value depends upon the compare functin used for fullpel ME + * - encoding: set by user. + * - decoding: unused *) + mv0_threshold: integer; + + (** + * adjusts sensitivity of b_frame_strategy 1 + * - encoding: set by user. + * - decoding: unused *) + b_sensitivity: integer; + + (** + * - encoding: set by user. + * - decoding: unused *) + compression_level: integer; + + (** + * sets whether to use LPC mode - used by FLAC encoder + * - encoding: set by user. + * - decoding: unused. *) + use_lpc: integer; + + (** + * LPC coefficient precision - used by FLAC encoder + * - encoding: set by user. + * - decoding: unused. *) + lpc_coeff_precision: integer; + + (** + * - encoding: set by user. + * - decoding: unused. *) + min_prediction_order: integer; + + (** + * - encoding: set by user. + * - decoding: unused. *) + max_prediction_order: integer; + + (** + * search method for selecting prediction order + * - encoding: set by user. + * - decoding: unused. *) + prediction_order_method: integer; + + (** + * - encoding: set by user. + * - decoding: unused. *) + min_partition_order: integer; + + (** + * - encoding: set by user. + * - decoding: unused. *) + max_partition_order: integer; + end; + +(** + * AVCodec. + *) + TAVCodec = record + name: pchar; + _type: TCodecType; + id: TCodecID; + priv_data_size: integer; + init: function (avctx: pAVCodecContext): integer; cdecl; + 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; + buf: pchar; buf_size: integer): integer; cdecl; + capabilities: integer; +// todo: check this -> +// void *dummy; // FIXME remove next time we break binary compatibility + next: PAVCodec; + flush: procedure (avctx: PAVCodecContext); cdecl; + supported_framerates: PAVRational; ///array of supported framerates, or NULL if any, array is terminated by {0,0} + pix_fmts: PAVPixelFormat; ///array of supported pixel formats, or NULL if unknown, array is terminanted by -1 + end; + +(** + * four components are given, that's all. + * the last component is alpha + *) + PAVPicture = ^TAVPicture; + TAVPicture = record + data: array [0..3] of pchar; + linesize: array [0..3] of integer; ///< number of bytes per line + end; + +(** + * AVPaletteControl + * This structure defines a method for communicating palette changes + * between and demuxer and a decoder. + * this is totally broken, palette changes should be sent as AVPackets + *) + TAVPaletteControl = record + (* demuxer sets this to 1 to indicate the palette has changed; + * decoder resets to 0 *) + palette_changed: integer; + + (* 4-byte ARGB palette entries, stored in native byte order; note that + * the individual palette components should be on a 8-bit scale; if + * the palette data comes from a IBM VGA native format, the component + * data is probably 6 bits in size and needs to be scaled *) + palette: array [0..AVPALETTE_COUNT - 1] of cardinal; + end; + + PAVSubtitleRect = ^TAVSubtitleRect; + TAVSubtitleRect = record + x: word; + y: word; + w: word; + h: word; + nb_colors: word; + linesize: integer; + rgba_palette: PCardinal; + bitmap: pchar; + end; + + PAVSubtitle = ^TAVSubtitle; + TAVSubtitle = record {20} + format: word; (* 0 = graphics *) + start_display_time: cardinal; (* relative to packet pts, in ms *) + end_display_time: cardinal; (* relative to packet pts, in ms *) + num_rects: cardinal; + rects: PAVSubtitleRect; + end; + + +(* resample.c *) + + PReSampleContext = pointer; + PAVResampleContext = pointer; + PImgReSampleContext = pointer; + +function audio_resample_init (output_channels: integer; input_channels: integer; + output_rate: integer; input_rate: integer): PReSampleContext; + cdecl; external av__codec; + +function audio_resample (s: PReSampleContext; output: PWord; input: PWord; nb_samples: integer): integer; + cdecl; external av__codec; + +procedure audio_resample_close (s: PReSampleContext); + cdecl; external av__codec; + + +function av_resample_init (out_rate: integer; in_rate: integer; filter_length: integer; + log2_phase_count: integer; linear: integer; cutoff: double): PAVResampleContext; + cdecl; external av__codec; + +function av_resample (c: PAVResampleContext; dst: PWord; src: PWord; consumed: PInteger; + src_size: integer; dst_size: integer; update_ctx: integer): integer; + cdecl; external av__codec; + +procedure av_resample_compensate (c: PAVResampleContext; sample_delta: integer; + compensation_distance: integer); + cdecl; external av__codec; + +procedure av_resample_close (c: PAVResampleContext); + cdecl; external av__codec; + + +(* YUV420 format is assumed ! *) + + function img_resample_init (output_width: integer; output_height: integer; + input_width: integer; input_height: integer): PImgReSampleContext; + cdecl; external av__codec; + + function img_resample_full_init (owidth: integer; oheight: integer; + iwidth: integer; iheight: integer; + topBand: integer; bottomBand: integer; + leftBand: integer; rightBand: integer; + padtop: integer; padbottom: integer; + padleft: integer; padright: integer): PImgReSampleContext; + cdecl; external av__codec; + + procedure img_resample (s: PImgReSampleContext; output: PAVPicture; const input: PAVPicture); + cdecl; external av__codec; + + procedure img_resample_close (s: PImgReSampleContext); + cdecl; external av__codec; + +(** + * Allocate memory for a picture. Call avpicture_free to free it. + * + * @param picture the picture to be filled in. + * @param pix_fmt the format of the picture. + * @param width the width of the picture. + * @param height the height of the picture. + * @return 0 if successful, -1 if not. + *) + function avpicture_alloc (picture: PAVPicture; pix_fmt: TAVPixelFormat; + width: integer; height: integer): integer; + cdecl; external av__codec; + + +(* Free a picture previously allocated by avpicture_alloc. *) + procedure avpicture_free (picture: PAVPicture); + cdecl; external av__codec; + + function avpicture_fill (picture: PAVPicture; ptr: pointer; + pix_fmt: TAVPixelFormat; width: integer; height: integer): integer; + cdecl; external av__codec; + + function avpicture_layout (const src: PAVPicture; pix_fmt: TAVPixelFormat; + width: integer; height: integer; + dest: pchar; dest_size: integer): integer; + cdecl; external av__codec; + + function avpicture_get_size (pix_fmt: TAVPixelFormat; width: integer; height: integer): integer; + cdecl; external av__codec; + + procedure avcodec_get_chroma_sub_sample (pix_fmt: TAVPixelFormat; h_shift: Pinteger; v_shift: pinteger); + cdecl; external av__codec; + + function avcodec_get_pix_fmt_name(pix_fmt: TAVPixelFormat): pchar; + cdecl; external av__codec; + + procedure avcodec_set_dimensions(s: PAVCodecContext; width: integer; height: integer); + cdecl; external av__codec; + + function avcodec_get_pix_fmt(const name: pchar): TAVPixelFormat; + cdecl; external av__codec; + + function avcodec_pix_fmt_to_codec_tag(p: TAVPixelFormat): cardinal; + cdecl; external av__codec; + + function avcodec_get_pix_fmt_loss (dst_pix_fmt: TAVPixelFormat; src_pix_fmt: TAVPixelFormat; + has_alpha: integer): integer; + cdecl; external av__codec; + + function avcodec_find_best_pix_fmt (pix_fmt_mask: integer; src_pix_fmt: TAVPixelFormat; + has_alpha: integer; loss_ptr: pinteger): integer; + cdecl; external av__codec; + + function img_get_alpha_info (const src: PAVPicture; + pix_fmt: TAVPixelFormat; + width: integer; height: integer): integer; + cdecl; external av__codec; + + +(* convert among pixel formats *) + function img_convert (dst: PAVPicture; dst_pix_fmt: TAVPixelFormat; + const src: PAVPicture; pix_fmt: TAVPixelFormat; + width: integer; height: integer): integer; + cdecl; external av__codec; + +(* deinterlace a picture *) + function avpicture_deinterlace (dst: PAVPicture; const src: PAVPicture; + pix_fmt: TAVPixelFormat; width: integer; height: integer): integer; + cdecl; external av__codec; + +(* returns LIBAVCODEC_VERSION_INT constant *) + function avcodec_version (): cardinal; + cdecl; external av__codec; + +(* returns LIBAVCODEC_BUILD constant *) + function avcodec_build (): cardinal; + cdecl; external av__codec; + + procedure avcodec_init (); + cdecl; external av__codec; + + procedure register_avcodec (format: PAVCodec); + cdecl; external av__codec; + + function avcodec_find_encoder (id: TCodecID): PAVCodec; + cdecl; external av__codec; + function avcodec_find_encoder_by_name (name: pchar): PAVCodec; + cdecl; external av__codec; + function avcodec_find_decoder(id: TCodecID): PAVCodec; + cdecl; external av__codec; + function avcodec_find_decoder_by_name (name: pchar): PAVCodec; + cdecl; external av__codec; + procedure avcodec_string(buf: pchar; buf_size: integer; enc: PAVCodecContext; encode: integer); + cdecl; external av__codec; + + procedure avcodec_get_context_defaults (s: PAVCodecContext); + cdecl; external av__codec; + 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; + cdecl; external av__codec; + + function avcodec_default_get_buffer (s: PAVCodecContext; pic: PAVFrame): integer; + cdecl; external av__codec; + procedure avcodec_default_release_buffer (s: PAVCodecContext; pic: PAVFrame); + cdecl; external av__codec; + function avcodec_default_reget_buffer (s: PAVCodecContext; pic: PAVFrame): integer; + cdecl; external av__codec; + procedure avcodec_align_dimensions(s: PAVCodecContext; width: Pinteger; height: PInteger); + cdecl; external av__codec; + function avcodec_check_dimensions (av_log_ctx: pointer; w: cardinal; h: cardinal): integer; + cdecl; external av__codec; + function avcodec_default_get_format(s: PAVCodecContext; const fmt: PAVPixelFormat): TAVPixelFormat; + cdecl; external av__codec; + + function avcodec_thread_init (s: PAVCodecContext; thread_count: integer): integer; + cdecl; external av__codec; + procedure avcodec_thread_free (s: PAVCodecContext); + cdecl; external av__codec; + function avcodec_thread_execute (s: PAVCodecContext; func: pointer; arg: PPointer; ret: Pinteger; count: integer): integer; + cdecl; external av__codec; + function avcodec_default_execute (s: PAVCodecContext; func: pointer; arg: PPointer; ret: Pinteger; count: integer): integer; + cdecl; external av__codec; + + +//FIXME func typedef + +(** + * opens / inits the AVCodecContext. + * not thread save! + *) + function avcodec_open (avctx: PAVCodecContext; codec: PAVCodec): integer; + cdecl; external av__codec; + + +(** + * Decode an audio frame. + * + * @param avctx the codec context. + * @param samples output buffer, 16 byte aligned + * @param frame_size_ptr the output buffer size in bytes, zero if no frame could be compressed + * @param buf input buffer, 16 byte aligned + * @param buf_size the input buffer size + * @return 0 if successful, -1 if not. + *) + + function avcodec_decode_audio (avctx: PAVCodecContext; samples: Pword; + frame_size_ptr: pinteger; + 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 + * because some optimized bitstream readers read 32 or 64 bit at once and could read over the end + * @param buf_size the size of the buffer in bytes + * @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_video (avctx: PAVCodecContext; picture: PAVFrame; + got_picture_ptr: pinteger; + buf: PByte; buf_size: integer): integer; + cdecl; external av__codec; + + function avcodec_decode_subtitle (avctx: PAVCodecContext; sub: PAVSubtitle; + got_sub_ptr: pinteger; + const buf: pchar; buf_size: integer): integer; + cdecl; external av__codec; + function avcodec_parse_frame (avctx: PAVCodecContext; pdata: PPointer; + data_size_ptr: pinteger; + buf: pchar; buf_size: integer): integer; + cdecl; external av__codec; + + function avcodec_encode_audio (avctx: PAVCodecContext; buf: PByte; + 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; + buf_size: integer; pict: PAVFrame): integer; + cdecl; external av__codec; + function avcodec_encode_subtitle (avctx: PAVCodecContext; buf: pchar; + buf_size: integer; const sub: PAVSubtitle): integer; + cdecl; external av__codec; + function avcodec_close (avctx: PAVCodecContext): integer; + cdecl; external av__codec; + + procedure avcodec_register_all (); + cdecl; external av__codec; + + procedure avcodec_flush_buffers (avctx: PAVCodecContext); + cdecl; external av__codec; + procedure avcodec_default_free_buffers (s: PAVCodecContext); + cdecl; external av__codec; + +(* misc usefull functions *) + +(** + * returns a single letter to describe the picture type + *) + function av_get_pict_type_char (pict_type: integer): char; + cdecl; external av__codec; + + +(** + * returns codec bits per sample + *) +function av_get_bits_per_sample (codec_id: TCodecID): integer; + cdecl; external av__codec; + +const + AV_PARSER_PTS_NB = 4; + PARSER_FLAG_COMPLETE_FRAMES = $0001; + +type + PAVCodecParserContext = ^TAVCodecParserContext; + PAVCodecParser = ^TAVCodecParser; + + TAVCodecParserContext = record + priv_data: pointer; + parser: PAVCodecParser; + frame_offset: int64; (* offset of the current frame *) + cur_offset: int64; (* current offset (incremented by each av_parser_parse()) *) + last_frame_offset: int64; (* offset of the last frame *) + (* video info *) + pict_type: integer; (* XXX: put it back in AVCodecContext *) + repeat_pict: integer; (* XXX: put it back in AVCodecContext *) + pts: int64; (* pts of the current frame *) + dts: int64; (* dts of the current frame *) + + (* private data *) + last_pts: int64; + last_dts: int64; + fetch_timestamp: integer; + + cur_frame_start_index: integer; + cur_frame_offset: array [0..AV_PARSER_PTS_NB - 1] of int64; + cur_frame_pts: array [0..AV_PARSER_PTS_NB - 1] of int64; + cur_frame_dts: array [0..AV_PARSER_PTS_NB - 1] of int64; + + flags: integer; + end; + + TAVCodecParser = record + codec_ids: array [0..4] of integer; (* several codec IDs are permitted *) + priv_data_size: integer; + parser_init: function (s: PAVCodecParserContext): integer; cdecl; + parser_parse: function (s: PAVCodecParserContext; avctx: PAVCodecContext; + poutbuf: PPointer; poutbuf_size: PInteger; + const buf: pchar; buf_size: integer): integer; cdecl; + parser_close: procedure (s: PAVCodecParserContext); cdecl; + split: function (avctx: PAVCodecContext; const buf: pchar; + buf_size: integer): integer; cdecl; + next: PAVCodecParser; + end; + + procedure av_register_codec_parser (parser: PAVCodecParser); cdecl; + cdecl; external av__codec; + + function av_parser_init (codec_id: integer): PAVCodecParserContext; + cdecl; external av__codec; + + function av_parser_parse (s: PAVCodecParserContext; + avctx: PAVCodecContext; + poutbuf: PPointer; poutbuf_size: pinteger; + const buf: pchar; buf_size: integer; + pts: int64; dts: int64): integer; + cdecl; external av__codec; + function av_parser_change (s: PAVCodecParserContext; + avctx: PAVCodecContext; + poutbuf: PPointer; poutbuf_size: PInteger; + const buf: pchar; buf_size: integer; keyframe: integer): integer; + cdecl; external av__codec; + procedure av_parser_close (s: PAVCodecParserContext); + cdecl; external av__codec; + +type + PAVBitStreamFilterContext = ^TAVBitStreamFilterContext; + PAVBitStreamFilter = ^TAVBitStreamFilter; + + TAVBitStreamFilterContext = record + priv_data: pointer; + filter: PAVBitStreamFilter; + parser: PAVCodecParserContext; + next: PAVBitStreamFilterContext; + end; + + TAVBitStreamFilter = record + name: pchar; + priv_data_size: integer; + filter: function (bsfc: PAVBitStreamFilterContext; + avctx: PAVCodecContext; args: pchar; + poutbuf: PPointer; poutbuf_size: PInteger; + buf: PByte; buf_size: integer; keyframe: integer): integer; cdecl; + next: PAVBitStreamFilter; + end; + +procedure av_register_bitstream_filter (bsf: PAVBitStreamFilter); + cdecl; external av__codec; + +function av_bitstream_filter_init (name: pchar): PAVBitStreamFilterContext; + cdecl; external av__codec; + +function av_bitstream_filter_filter (bsfc: PAVBitStreamFilterContext; + avctx: PAVCodecContext; args: pchar; + poutbuf: PPointer; poutbuf_size: PInteger; + buf: PByte; buf_size: integer; keyframe: integer): integer; + cdecl; external av__codec; +procedure av_bitstream_filter_close (bsf: PAVBitStreamFilterContext); + cdecl; external av__codec; + + +(* memory *) + procedure av_fast_realloc (ptr: pointer; size: PCardinal; min_size: Cardinal); + cdecl; external av__codec; +(* for static data only *) +(* call av_free_static to release all staticaly allocated tables *) + procedure av_free_static (); + cdecl; external av__codec; + + procedure av_mallocz_static(size: cardinal); + cdecl; external av__codec; + + procedure av_realloc_static(ptr: pointer; size: Cardinal); + cdecl; external av__codec; + + procedure img_copy (dst: PAVPicture; const src: PAVPicture; + pix_fmt: TAVPixelFormat; width: integer; height: integer); + cdecl; external av__codec; + + function img_crop (dst: PAVPicture; const src: PAVPicture; + pix_fmt: TAVPixelFormat; top_band, left_band: integer): integer; + cdecl; external av__codec; + + function img_pad (dst: PAVPicture; const src: PAVPicture; height, width: integer; + pix_fmt: TAVPixelFormat; padtop, padbottom, padleft, padright: integer; + color: PInteger): integer; + cdecl; external av__codec; + +implementation + +end. -- cgit v1.2.3