diff options
Diffstat (limited to 'Lua/src/lib/ffmpeg/avcodec.pas')
| -rw-r--r-- | Lua/src/lib/ffmpeg/avcodec.pas | 1895 |
1 files changed, 1507 insertions, 388 deletions
diff --git a/Lua/src/lib/ffmpeg/avcodec.pas b/Lua/src/lib/ffmpeg/avcodec.pas index 0954ee06..d0400d9a 100644 --- a/Lua/src/lib/ffmpeg/avcodec.pas +++ b/Lua/src/lib/ffmpeg/avcodec.pas @@ -27,8 +27,13 @@ (* * Conversion of libavcodec/avcodec.h * Min. version: 51.16.0, revision 6577, Sat Oct 7 15:30:46 2006 UTC - * Max. version: 52.0.0, revision 15448, Sun Sep 28 19:11:26 2008 UTC + * Max. version: 52.11.0, revision 16912, Sun Feb 1 02:00:19 2009 UTC *) +{ + * update to + * Max. version: 52.42.0, Sun Dec 6 19:20:00 2009 CET + * MiSchi +} unit avcodec; @@ -51,6 +56,7 @@ uses avutil, rational, opt, + SysUtils, {$IFDEF UNIX} BaseUnix, {$ENDIF} @@ -59,7 +65,7 @@ uses const (* Max. supported version by this header *) LIBAVCODEC_MAX_VERSION_MAJOR = 52; - LIBAVCODEC_MAX_VERSION_MINOR = 0; + LIBAVCODEC_MAX_VERSION_MINOR = 42; LIBAVCODEC_MAX_VERSION_RELEASE = 0; LIBAVCODEC_MAX_VERSION = (LIBAVCODEC_MAX_VERSION_MAJOR * VERSION_MAJOR) + (LIBAVCODEC_MAX_VERSION_MINOR * VERSION_MINOR) + @@ -84,9 +90,9 @@ const {$IFEND} const - AV_NOPTS_VALUE: cint64 = $8000000000000000; + AV_NOPTS_VALUE: cint64 = $8000000000000000; AV_TIME_BASE = 1000000; - AV_TIME_BASE_Q : TAVRational = (num: 1; den: AV_TIME_BASE); + AV_TIME_BASE_Q: TAVRational = (num: 1; den: AV_TIME_BASE); (** * Identifies the syntax and semantics of the bitstream. @@ -231,6 +237,35 @@ type CODEC_ID_CMV, CODEC_ID_MOTIONPIXELS, CODEC_ID_TGV, + CODEC_ID_TGQ, +{$IF LIBAVCODEC_VERSION >= 52012000} // >= 52.12.0 + CODEC_ID_TQI, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52022002} // >= 52.22.2 + CODEC_ID_AURA, + CODEC_ID_AURA2, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52027000} // >= 52.27.0 + CODEC_ID_V210X, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52028000} // >= 52.28.0 + CODEC_ID_TMV, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52029000} // >= 52.29.0 + CODEC_ID_V210, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52030002} // >= 52.30.2 + CODEC_ID_DPX, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52031002} // >= 52.31.2 + CODEC_ID_MAD, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52037000} // >= 52.37.0 + CODEC_ID_FRWU, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52041000} // >= 52.41.0 + CODEC_ID_FLASHSV2, +{$IFEND} //* various PCM "codecs" */ CODEC_ID_PCM_S16LE= $10000, @@ -257,6 +292,9 @@ type CODEC_ID_PCM_F32LE, CODEC_ID_PCM_F64BE, CODEC_ID_PCM_F64LE, +{$IF LIBAVCODEC_VERSION >= 52034000} // >= 52.34.0 + CODEC_ID_PCM_BLURAY, +{$IFEND} //* various ADPCM codecs */ CODEC_ID_ADPCM_IMA_QT= $11000, @@ -286,6 +324,7 @@ type CODEC_ID_ADPCM_IMA_EA_EACS, CODEC_ID_ADPCM_EA_XAS, CODEC_ID_ADPCM_EA_MAXIS_XA, + CODEC_ID_ADPCM_IMA_ISS, //* AMR */ CODEC_ID_AMR_NB= $12000, @@ -305,7 +344,7 @@ type CODEC_ID_MP2= $15000, CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3 CODEC_ID_AAC, - {$IF LIBAVCODEC_VERSION < 52000000} // 52.0.0 + {$IF LIBAVCODEC_VERSION < 52000000} // < 52.0.0 _CODEC_ID_MPEG4AAC, // will be redefined to CODEC_ID_AAC below {$IFEND} CODEC_ID_AC3, @@ -350,6 +389,19 @@ type CODEC_ID_ATRAC3P, CODEC_ID_EAC3, CODEC_ID_SIPR, + CODEC_ID_MP1, +{$IF LIBAVCODEC_VERSION >= 52020000} // >= 52.20.0 + CODEC_ID_TWINVQ, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52022000} // >= 52.22.0 + CODEC_ID_TRUEHD, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52026000} // >= 52.26.0 + CODEC_ID_MP4ALS, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52035000} // >= 52.35.0 + CODEC_ID_ATRAC1, +{$IFEND} //* subtitle codecs */ CODEC_ID_DVD_SUBTITLE= $17000, @@ -358,6 +410,12 @@ type CODEC_ID_XSUB, CODEC_ID_SSA, CODEC_ID_MOV_TEXT, +{$IF LIBAVCODEC_VERSION >= 52033000} // >= 52.33.0 + CODEC_ID_HDMV_PGS_SUBTITLE, +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52037001} // >= 52.37.1 + CODEC_ID_DVB_TELETEXT, +{$IFEND} (* other specific kind of codecs (generally used for attachments) *) CODEC_ID_TTF= $18000, @@ -365,11 +423,11 @@ type CODEC_ID_PROBE= $19000, ///< codec_id is not known (like CODEC_ID_NONE) but lavf should attempt to identify it CODEC_ID_MPEG2TS= $20000, {*< _FAKE_ codec to indicate a raw MPEG-2 TS - * stream (only used by libavformat) *} + * stream (only used by libavformat) *} __CODEC_ID_4BYTE = $FFFFF // ensure 4-byte enum ); -{$IF LIBAVCODEC_VERSION < 52000000} // 52.0.0 +{$IF LIBAVCODEC_VERSION < 52000000} // < 52.0.0 {* CODEC_ID_MP3LAME is obsolete *} const CODEC_ID_MP3LAME = CODEC_ID_MP3; @@ -404,6 +462,67 @@ type PSampleFormatArray = ^_TSampleFormatArray; const + {* Audio channel masks *} + CH_FRONT_LEFT = $00000001; + CH_FRONT_RIGHT = $00000002; + CH_FRONT_CENTER = $00000004; + CH_LOW_FREQUENCY = $00000008; + CH_BACK_LEFT = $00000010; + CH_BACK_RIGHT = $00000020; + CH_FRONT_LEFT_OF_CENTER = $00000040; + CH_FRONT_RIGHT_OF_CENTER = $00000080; + CH_BACK_CENTER = $00000100; + CH_SIDE_LEFT = $00000200; + CH_SIDE_RIGHT = $00000400; + CH_TOP_CENTER = $00000800; + CH_TOP_FRONT_LEFT = $00001000; + CH_TOP_FRONT_CENTER = $00002000; + CH_TOP_FRONT_RIGHT = $00004000; + CH_TOP_BACK_LEFT = $00008000; + CH_TOP_BACK_CENTER = $00010000; + CH_TOP_BACK_RIGHT = $00020000; + CH_STEREO_LEFT = $20000000; ///< Stereo downmix. + CH_STEREO_RIGHT = $40000000; ///< See CH_STEREO_LEFT. +{** Channel mask value used for AVCodecContext.request_channel_layout + * to indicate that the user requests the channel order of the decoder output + * to be the native codec channel order. + *} +{$IF LIBAVCODEC_VERSION >= 52038001} // >= 52.38.1 + CH_LAYOUT_NATIVE = $8000000000000000LL +{$IFEND} + {* Audio channel convenience macros *} + CH_LAYOUT_MONO = (CH_FRONT_CENTER); + CH_LAYOUT_STEREO = (CH_FRONT_LEFT or CH_FRONT_RIGHT); + CH_LAYOUT_SURROUND = (CH_LAYOUT_STEREO or CH_FRONT_CENTER); +{$IF LIBAVCODEC_VERSION >= 52027000} // >= 52.27.0 + CH_LAYOUT_2_1 = (CH_LAYOUT_STEREO or CH_BACK_CENTER); + CH_LAYOUT_4POINT0 = (CH_LAYOUT_SURROUND or CH_BACK_CENTER); + CH_LAYOUT_2_2 = (CH_LAYOUT_STEREO or CH_SIDE_LEFT or CH_SIDE_RIGHT); +{$IFEND} + CH_LAYOUT_QUAD = (CH_LAYOUT_STEREO or CH_BACK_LEFT or CH_BACK_RIGHT); + CH_LAYOUT_5POINT0 = (CH_LAYOUT_SURROUND or CH_SIDE_LEFT or CH_SIDE_RIGHT); + CH_LAYOUT_5POINT1 = (CH_LAYOUT_5POINT0 or CH_LOW_FREQUENCY); +{$IF LIBAVCODEC_VERSION >= 52025000} // >= 52.25.0 + CH_LAYOUT_5POINT0_BACK = (CH_LAYOUT_SURROUND or CH_BACK_LEFT or + CH_BACK_RIGHT); + CH_LAYOUT_5POINT1_BACK = (CH_LAYOUT_5POINT0_BACK or CH_LOW_FREQUENCY); +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52034000} // >= 52.34.0 + CH_LAYOUT_7POINT0 = (CH_LAYOUT_5POINT0 or CH_BACK_LEFT or CH_BACK_RIGHT); +{$IFEND} + CH_LAYOUT_7POINT1 = (CH_LAYOUT_5POINT1 or CH_BACK_LEFT or CH_BACK_RIGHT); +{$IF LIBAVCODEC_VERSION < 52025000} // < 52.25.0 + CH_LAYOUT_7POINT1_WIDE = (CH_LAYOUT_SURROUND or CH_LOW_FREQUENCY or + CH_BACK_LEFT or CH_BACK_RIGHT or +{$ELSE} + CH_LAYOUT_7POINT1_WIDE = (CH_LAYOUT_5POINT1_BACK or +{$IFEND} + CH_FRONT_LEFT_OF_CENTER or + CH_FRONT_RIGHT_OF_CENTER); + CH_LAYOUT_STEREO_DOWNMIX = (CH_STEREO_LEFT or CH_STEREO_RIGHT); + + +const {* in bytes *} AVCODEC_MAX_AUDIO_FRAME_SIZE = 192000; // 1 second of 48khz 32bit audio @@ -441,20 +560,76 @@ type TAVDiscard = ( {* We leave some space between them for extensions (drop some - * keyframes for intra-only or drop just some bidir frames). *} - AVDISCARD_NONE =-16, ///< discard nothing - AVDISCARD_DEFAULT= 0, ///< discard useless packets like 0 size packets in avi - AVDISCARD_NONREF = 8, ///< discard all non reference - AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames - AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes - AVDISCARD_ALL = 48 ///< discard all + * keyframes for intra-only or drop just some bidir frames). + *} + AVDISCARD_NONE = -16, ///< discard nothing + AVDISCARD_DEFAULT = 0, ///< discard useless packets like 0 size packets in avi + AVDISCARD_NONREF = 8, ///< discard all non reference + AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames + AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes + AVDISCARD_ALL = 48 ///< discard all + ); + +{$IF LIBAVCODEC_VERSION >= 52028000} // >= 52.28.0 + TAVColorPrimaries = ( + AVCOL_PRI_BT709 = 1, ///< also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP177 Annex B + AVCOL_PRI_UNSPECIFIED = 2, + AVCOL_PRI_BT470M = 4, + AVCOL_PRI_BT470BG = 5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM + AVCOL_PRI_SMPTE170M = 6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC + AVCOL_PRI_SMPTE240M = 7, ///< functionally identical to above + AVCOL_PRI_FILM = 8, + AVCOL_PRI_NB ///< Not part of ABI + ); + + TAVColorTransferCharacteristic = ( + AVCOL_TRC_BT709 = 1, ///< also ITU-R BT1361 + AVCOL_TRC_UNSPECIFIED = 2, + AVCOL_TRC_GAMMA22 = 4, ///< also ITU-R BT470M / ITU-R BT1700 625 PAL & SECAM + AVCOL_TRC_GAMMA28 = 5, ///< also ITU-R BT470BG + AVCOL_TRC_NB ///< Not part of ABI + ); + + TAVColorSpace = ( + AVCOL_SPC_RGB = 0, + AVCOL_SPC_BT709 = 1, ///< also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B + AVCOL_SPC_UNSPECIFIED = 2, + AVCOL_SPC_FCC = 4, + AVCOL_SPC_BT470BG = 5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 + AVCOL_SPC_SMPTE170M = 6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC / functionally identical to above + AVCOL_SPC_SMPTE240M = 7, + AVCOL_SPC_NB ///< Not part of ABI + ); + + TAVColorRange = ( + AVCOL_RANGE_UNSPECIFIED = 0, + AVCOL_RANGE_MPEG = 1, ///< the normal 219*2^(n-8) "MPEG" YUV ranges + AVCOL_RANGE_JPEG = 2, ///< the normal 2^n-1 "JPEG" YUV ranges + AVCOL_RANGE_NB ///< Not part of ABI + ); + +(** + * X X 3 4 X X are luma samples, + * 1 2 1-6 are possible chroma positions + * X X 5 6 X 0 is undefined/unknown position + *) + TAVChromaLocation = ( + AVCHROMA_LOC_UNSPECIFIED = 0, + AVCHROMA_LOC_LEFT = 1, ///< mpeg2/4, h264 default + AVCHROMA_LOC_CENTER = 2, ///< mpeg1, jpeg, h263 + AVCHROMA_LOC_TOPLEFT = 3, ///< DV + AVCHROMA_LOC_TOP = 4, + AVCHROMA_LOC_BOTTOMLEFT = 5, + AVCHROMA_LOC_BOTTOM = 6, + AVCHROMA_LOC_NB ///< Not part of ABI ); +{$IFEND} PRcOverride = ^TRcOverride; TRcOverride = record {16} - start_frame: cint; - end_frame: cint; - qscale: cint; // if this is 0 then quality_factor will be used instead + start_frame: cint; + end_frame: cint; + qscale: cint; // if this is 0 then quality_factor will be used instead quality_factor: cfloat; end; @@ -559,6 +734,18 @@ const *) CODEC_CAP_SMALL_LAST_FRAME = $0040; + (** + * Codec can export data for HW decoding (VDPAU). + *) + CODEC_CAP_HWACCEL_VDPAU = $0080; + + {$IF LIBAVCODEC_VERSION >= 52035000} // >= 52.35.0 + (** + * Codec can output multiple frames per AVPacket + *) + CODEC_CAP_SUBFRAMES = $0100; + {$IFEND} + //the following defines may change, don't expect compatibility if you use them MB_TYPE_INTRA4x4 = $001; MB_TYPE_INTRA16x16 = $002; //FIXME h264 specific @@ -609,8 +796,8 @@ type end; const - FF_QSCALE_TYPE_MPEG1 = 0; - FF_QSCALE_TYPE_MPEG2 = 1; + FF_QSCALE_TYPE_MPEG1 = 0; + FF_QSCALE_TYPE_MPEG2 = 1; FF_QSCALE_TYPE_H264 = 2; FF_BUFFER_TYPE_INTERNAL = 1; @@ -632,7 +819,311 @@ const FF_BUFFER_HINTS_PRESERVE = $04; // User must not alter buffer content FF_BUFFER_HINTS_REUSABLE = $08; // Codec will reuse the buffer (update) +const + {$IF LIBAVCODEC_VERSION < 52000000} // < 52.0.0 + DEFAULT_FRAME_RATE_BASE = 1001000; + {$IFEND} + + FF_ASPECT_EXTENDED = 15; + + FF_RC_STRATEGY_XVID = 1; + + 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_BUG_FAKE_SCALABILITY = 16 //Autodetection should work 100%. + + 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_IDCT_CAVS = 15; + FF_IDCT_SIMPLEARMV5TE= 16; + FF_IDCT_SIMPLEARMV6 = 17; + FF_IDCT_SIMPLEVIS = 18; + FF_IDCT_WMV2 = 19; + FF_IDCT_FAAN = 20; + FF_IDCT_EA = 21; + FF_IDCT_SIMPLENEON = 22; + FF_IDCT_SIMPLEALPHA = 23; + + 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 = $0004; ///< AMD 3DNOW + {$IF LIBAVCODEC_MAX_VERSION_MAJOR < 53} + FF_MM_MMXEXT = $0002; ///< SSE integer functions or AMD MMX ext + {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52024000} // >= 52.24.0 + FF_MM_MMX2 = $0002; ///< SSE integer functions or AMD MMX ext + {$IFEND} + FF_MM_SSE = $0008; ///< SSE functions + FF_MM_SSE2 = $0010; ///< PIV SSE2 functions + FF_MM_3DNOWEXT = $0020; ///< AMD 3DNowExt + FF_MM_SSE3 = $0040; ///< Prescott SSE3 functions + FF_MM_SSSE3 = $0080; ///< Conroe SSSE3 functions + {$IF LIBAVCODEC_VERSION >= 52022003} // >= 52.22.3 + FF_MM_SSE4 = $0100; ///< Penryn SSE4.1 functions + FF_MM_SSE42 = $0200; ///< Nehalem SSE4.2 functions + {$IFEND} + FF_MM_IWMMXT = $0100; ///< XScale IWMMXT + FF_MM_ALTIVEC = $0001; ///< standard AltiVec + + 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_BUFFERS = $00008000; + + 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_DCT264 = 14; + 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; + FF_CODER_TYPE_RAW = 2; + FF_CODER_TYPE_RLE = 3; + FF_CODER_TYPE_DEFLATE = 4; + + 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 distortion + + FF_AA_AUTO = 0; + FF_AA_FASTINT = 1; //not implemented yet + FF_AA_INT = 2; + FF_AA_FLOAT = 3; + + FF_PROFILE_UNKNOWN = -99; + FF_PROFILE_AAC_MAIN = 0; + FF_PROFILE_AAC_LOW = 1; + FF_PROFILE_AAC_SSR = 2; + FF_PROFILE_AAC_LTP = 3; + + 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 = $100; (* Analyse b16x8, b8x16 and b8x8 *) + + FF_COMPRESSION_DEFAULT = -1; + +const + AVPALETTE_SIZE = 1024; + AVPALETTE_COUNT = 256; + +{$IF LIBAVCODEC_MAX_VERSION_MAJOR < 53} +type +(** + * AVPaletteControl + * This structure defines a method for communicating palette changes + * between and demuxer and a decoder. + * + * @deprecated Use AVPacket to send palette changes instead. + * This is totally broken. + *) + PAVPaletteControl = ^TAVPaletteControl; + TAVPaletteControl = record + (* demuxer sets this to 1 to indicate the palette has changed; + * decoder resets to 0 *) + palette_changed: cint; + + (* 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 cuint; + end; {deprecated;} +{$IFEND} + +{$IF LIBAVCODEC_VERSION >= 52023000} // >= 52.23.0 +type + PAVPacket = ^TAVPacket; + TAVPacket = record +(* + * Presentation timestamp in AVStream->time_base units; the time at which + * the decompressed packet will be presented to the user. + * Can be AV_NOPTS_VALUE if it is not stored in the file. + * pts MUST be larger or equal to dts as presentation cannot happen before + * decompression, unless one wants to view hex dumps. Some formats misuse + * the terms dts and pts/cts to mean something different. Such timestamps + * must be converted to true pts/dts before they are stored in AVPacket. + *) + pts: cint64; +(* + * Decompression timestamp in AVStream->time_base units; the time at which + * the packet is decompressed. + * Can be AV_NOPTS_VALUE if it is not stored in the file. + *) + dts: cint64; + data: PByteArray; + size: cint; + stream_index: cint; + flags: cint; +(* + * Duration of this packet in AVStream->time_base units, 0 if unknown. + * Equals next_pts - this_pts in presentation order. + *) + duration: cint; + destruct: procedure (para1: PAVPacket); cdecl; + priv: pointer; + pos: cint64; // byte position in stream, -1 if unknown + +(* + * Time difference in AVStream->time_base units from the pts of this + * packet to the point at which the output from the decoder has converged + * independent from the availability of previous frames. That is, the + * frames are virtually identical no matter if decoding started from + * the very first frame or from this keyframe. + * Is AV_NOPTS_VALUE if unknown. + * This field is not the display duration of the current packet. + * + * The purpose of this field is to allow seeking in streams that have no + * keyframes in the conventional sense. It corresponds to the + * recovery point SEI in H.264 and match_time_delta in NUT. It is also + * essential for some types of subtitle streams to ensure that all + * subtitles are correctly displayed after seeking. + *) + convergence_duration: cint64; + end; + +const + {$IF LIBAVCODEC_VERSION >= 52030002} // >= 52.30.2 + PKT_FLAG_KEY = $0001; + {$ELSE} + AV_PKT_FLAG_KEY = $0001; + {$IF LIBAVCODEC_VERSION_MAJOR < 53} + PKT_FLAG_KEY = AV_PKT_FLAG_KEY; + {$IFEND} + {$IFEND} +{$IFEND} + type + PAVClass = ^TAVClass; {const} + PAVCodecContext = ^TAVCodecContext; + + PAVCodec = ^TAVCodec; + +{$IF LIBAVCODEC_VERSION >= 52018000} // >= 52.18.0 + PAVHWAccel = ^TAVHWAccel; +{$IFEND} + + // int[4] + PQuadIntArray = ^TQuadIntArray; + TQuadIntArray = array[0..3] of cint; + // int (*func)(struct AVCodecContext *c2, void *arg) + TExecuteFunc = function(c2: PAVCodecContext; arg: Pointer): cint; cdecl; + + TAVClass = record + class_name: PAnsiChar; + (* actually passing a pointer to an AVCodecContext + or AVFormatContext, which begin with an AVClass. + Needed because av_log is in libavcodec and has no visibility + of AVIn/OutputFormat *) + item_name: function(): PAnsiChar; cdecl; + option: PAVOption; + end; + {** * Audio Video Frame. * New fields can be added to the end of FF_COMMON_FRAME with minor version @@ -678,7 +1169,7 @@ type * - decoding: Set by libavcodec. *) pts: cint64; - (**\ + (** * picture number in bitstream order * - encoding: set by * - decoding: Set by libavcodec. @@ -707,6 +1198,7 @@ type * is this picture used as reference * The values for this are the same as the MpegEncContext.picture_structure * variable, that is 1->top field, 2->bottom field, 3->frame/both fields. + * Set to 4 for delayed, non-reference frames. * - encoding: unused * - decoding: Set by libavcodec. (before get_buffer() call)). *) @@ -831,7 +1323,7 @@ type *) ref_index: array [0..1] of PShortint; - {$IF LIBAVCODEC_VERSION >= 51068000} // 51.68.0 + {$IF LIBAVCODEC_VERSION >= 51068000} // >= 51.68.0 (** * reordered opaque 64bit number (generally a PTS) from AVCodecContext.reordered_opaque * output in AVFrame.reordered_opaque @@ -840,8 +1332,20 @@ type *) reordered_opaque: cint64; {$IFEND} + + {$IF LIBAVCODEC_VERSION = 52021000} // = 52.21.0 + (** + * hardware accelerator private data (FFmpeg allocated) + * - encoding: unused + * - decoding: Set by libavcodec + *) + hwaccel_data_private: pointer; + {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52022000} // >= 52.22.0 + hwaccel_picture_private: pointer; + {$IFEND} - {$IF LIBAVCODEC_VERSION >= 51070000} // 51.70.0 + {$IF LIBAVCODEC_VERSION >= 51070000} // >= 51.70.0 (** * Bits per sample/pixel of internal libavcodec pixel/sample format. * This field is applicable only when sample_fmt is SAMPLE_FMT_S32. @@ -850,230 +1354,105 @@ type *) bits_per_raw_sample: cint; {$IFEND} - end; - -const - {$IF LIBAVCODEC_VERSION < 52000000} // < 52.0.0 - DEFAULT_FRAME_RATE_BASE = 1001000; - {$IFEND} - - FF_ASPECT_EXTENDED = 15; - - FF_RC_STRATEGY_XVID = 1; - - 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_BUG_FAKE_SCALABILITY = 16 //Autodetection should work 100%. - - 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_IDCT_CAVS = 15; - FF_IDCT_SIMPLEARMV5TE= 16; - FF_IDCT_SIMPLEARMV6 = 17; - FF_IDCT_SIMPLEVIS = 18; - FF_IDCT_WMV2 = 19; - FF_IDCT_FAAN = 20; - - 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_SSE3 = $0040; ///< Prescott SSE3 functions - FF_MM_SSSE3 = $0080; ///< Conroe SSSE3 functions - 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_BUFFERS = $00008000; - - 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_DCT264 = 14; - 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; - FF_CODER_TYPE_RAW = 2; - FF_CODER_TYPE_RLE = 3; - FF_CODER_TYPE_DEFLATE = 4; - - 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 distortion - - FF_AA_AUTO = 0; - FF_AA_FASTINT = 1; //not implemented yet - FF_AA_INT = 2; - FF_AA_FLOAT = 3; - - FF_PROFILE_UNKNOWN = -99; - FF_PROFILE_AAC_MAIN = 0; - FF_PROFILE_AAC_LOW = 1; - FF_PROFILE_AAC_SSR = 2; - FF_PROFILE_AAC_LTP = 3; - - 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 = $100; (* Analyse b16x8, b8x16 and b8x8 *) - - FF_COMPRESSION_DEFAULT = -1; + {$IF LIBAVCODEC_VERSION >= 52002000} // >= 52.2.0 + (** + * Audio channel layout. + * - encoding: set by user. + * - decoding: set by libavcodec. + *) + channel_layout: cint64; -const - AVPALETTE_SIZE = 1024; - AVPALETTE_COUNT = 256; + (** + * Request decoder to use this channel layout if it can (0 for default) + * - encoding: unused + * - decoding: Set by user. + *) + request_channel_layout: cint64; + {$IFEND} -type -(** - * AVPaletteControl - * This structure defines a method for communicating palette changes - * between and demuxer and a decoder. - * - * @deprecated Use AVPacket to send palette changes instead. - * This is totally broken. - *) - PAVPaletteControl = ^TAVPaletteControl; - TAVPaletteControl = record - (* demuxer sets this to 1 to indicate the palette has changed; - * decoder resets to 0 *) - palette_changed: cint; + {$IF LIBAVCODEC_VERSION >= 52004000} // >= 52.4.0 + (** + * Ratecontrol attempt to use, at maximum, <value> of what can be used without an underflow. + * - encoding: Set by user. + * - decoding: unused. + *) + rc_max_available_vbv_use: cfloat; - (* 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 cuint; - end; {deprecated;} + (** + * Ratecontrol attempt to use, at least, <value> times the amount needed to prevent a vbv overflow. + * - encoding: Set by user. + * - decoding: unused. + *) + rc_min_vbv_overflow_use: cfloat; + {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52018000} // >= 52.18.0 + (** + * Hardware accelerator in use + * - encoding: unused. + * - decoding: Set by libavcodec + *) + hwaccel: PAVHWAccel; + {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52020000} // >= 52.20.0 + (** + * For some codecs, the time base is closer to the field rate than the frame rate. + * Most notably, H.264 and MPEG-2 specify time_base as half of frame duration + * if no telecine is used ... + * + * Set to time_base ticks per frame. Default 1, e.g., H.264/MPEG-2 set it to 2. + *) + ticks_per_frame: cint; + {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52021000} // >= 52.21.0 + (** + * Hardware accelerator context. + * For some hardware accelerators, a global context needs to be + * provided by the user. In that case, this holds display-dependent + * data FFmpeg cannot instantiate itself. Please refer to the + * FFmpeg HW accelerator documentation to know how to fill this + * is. e.g. for VA API, this is a struct vaapi_context. + * - encoding: unused + * - decoding: Set by user + *) + hwaccel_context: pointer; + {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52028000} // >= 52.28.0 + (** + * Chromaticity coordinates of the source primaries. + * - encoding: Set by user + * - decoding: Set by libavcodec + *) + color_primaries: TAVColorPrimaries; -type - PAVClass = ^TAVClass; {const} - PAVCodecContext = ^TAVCodecContext; + (** + * Color Transfer Characteristic. + * - encoding: Set by user + * - decoding: Set by libavcodec + *) + color_trc: TAVColorTransferCharacteristic; - PAVCodec = ^TAVCodec; + (** + * YUV colorspace type. + * - encoding: Set by user + * - decoding: Set by libavcodec + *) + colorspace: TAVColorSpace; - // int[4] - PQuadIntArray = ^TQuadIntArray; - TQuadIntArray = array[0..3] of cint; - // int (*func)(struct AVCodecContext *c2, void *arg) - TExecuteFunc = function(c2: PAVCodecContext; arg: Pointer): cint; cdecl; + (** + * MPEG vs JPEG YUV range. + * - encoding: Set by user + * - decoding: Set by libavcodec + *) + color_range: TAVColorRange; - 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; + (** + * This defines the location of chroma samples. + * - encoding: Set by user + * - decoding: Set by libavcodec + *) + chroma_sample_location: TAVChromaLocation; + {$IFEND} end; (** @@ -1191,6 +1570,13 @@ type * decoder to draw a horizontal band. It improves cache usage. Not * all codecs can do that. You must check the codec capabilities * beforehand. + * The function is also used by hardware acceleration APIs. + * It is called at least once during frame decoding to pass + * the data needed for hardware render. + * In that mode instead of pixel data, AVFrame points to + * a structure specific to the acceleration API. The application + * reads the structure and can change some fields to indicate progress + * or mark state. * - encoding: unused * - decoding: Set by user. * @param height the height of the slice @@ -1211,7 +1597,7 @@ type * - encoding: Set by user. * - decoding: Set by libavcodec. *) - sample_fmt: TSampleFormat; ///< sample format, currenly unused + sample_fmt: TSampleFormat; ///< sample format (* The following data should not be initialized. *) (** @@ -1219,7 +1605,9 @@ type *) frame_size: cint; frame_number: cint; ///< audio or video frame number +{$IF LIBAVCODEC_MAX_VERSION_MAJOR < 53} real_pict_num: cint; ///< returns the real picture number of previous encoded frame +{$IFEND} (** * Number of frames the decoded output will be delayed relative to @@ -1334,7 +1722,7 @@ type *) opaque: pointer; - codec_name: array [0..31] of char; + codec_name: array [0..31] of AnsiChar; codec_type: TCodecType; (* see CODEC_TYPE_xxx *) codec_id: TCodecID; (* see CODEC_ID_xxx *) @@ -1408,6 +1796,9 @@ type * If pic.reference is set then the frame will be read later by libavcodec. * 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. + * if CODEC_CAP_DR1 is not set then get_buffer() must call + * avcodec_default_get_buffer() instead of providing buffers allocated by + * some other means. * - encoding: unused * - decoding: Set by libavcodec., user can override. *) @@ -1423,7 +1814,8 @@ type release_buffer: procedure (c: PAVCodecContext; pic: PAVFrame); cdecl; (** - * If 1 the stream has a 1 frame delay during decoding. + * Size of the frame reordering buffer in the decoder. + * For MPEG-2 it is 1 IPB or 0 low delay IP. * - encoding: Set by libavcodec. * - decoding: Set by libavcodec. *) @@ -1451,7 +1843,7 @@ type * - encoding: Set by libavcodec. * - decoding: unused *) - stats_out: pchar; + stats_out: PByteArray; (** * pass2 encoding statistics input buffer @@ -1459,7 +1851,7 @@ type * - encoding: Allocated/set/freed by user. * - decoding: unused *) - stats_in: pchar; + stats_in: PByteArray; (** * ratecontrol qmin qmax limiting method @@ -1485,7 +1877,7 @@ type * - encoding: Set by user * - decoding: unused *) - rc_eq: {const} pchar; + rc_eq: {const} PByteArray; (** * maximum bitrate @@ -1886,7 +2278,7 @@ type * - encoding: unused * - decoding: Set by user, will be converted to uppercase by libavcodec during init. *) - stream_codec_tag: array [0..3] of char; //cuint; + stream_codec_tag: array [0..3] of AnsiChar; //cuint; (** * scene change detection threshold @@ -1930,6 +2322,9 @@ type * libavcodec 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(). + * if CODEC_CAP_DR1 is not set then reget_buffer() must call + * avcodec_default_reget_buffer() instead of providing buffers allocated by + * some other means. * - encoding: unused * - decoding: Set by libavcodec., user can override *) @@ -1994,7 +2389,11 @@ type * - encoding: Set by libavcodec, user can override. * - decoding: Set by libavcodec, user can override. *) + {$IF LIBAVCODEC_VERSION < 52004000} // < 52.4.0 execute: function (c: PAVCodecContext; func: TExecuteFunc; arg: PPointer; ret: PCint; count: cint): cint; cdecl; + {$ELSE} + execute: function (c: PAVCodecContext; func: TExecuteFunc; arg: Pointer; ret: PCint; count: cint; size: cint): cint; cdecl; + {$IFEND} (** * thread opaque @@ -2197,7 +2596,7 @@ type (** * number of reference frames * - encoding: Set by user. - * - decoding: unused + * - decoding: Set by lavc. *) refs: cint; @@ -2349,13 +2748,16 @@ type {$IFEND} {$IF LIBAVCODEC_VERSION >= 51042000} // 51.42.0 + {$IF LIBAVCODEC_MAX_VERSION_MAJOR < 53} (** * Decoder should decode to this many channels if it can (0 for default) * - encoding: unused * - decoding: Set by user. + * @deprecated Deprecated in favor of request_channel_layout. *) request_channels: cint; {$IFEND} + {$IFEND} {$IF LIBAVCODEC_VERSION > 51049000} // > 51.49.0 (** @@ -2376,21 +2778,66 @@ type *) reordered_opaque: cint64; {$IFEND} + + {$IF LIBAVCODEC_VERSION >= 52028000} // 52.28.0 + (** + * This defines the location of chroma samples. + * - encoding: Set by user + * - decoding: Set by libavcodec + *) + chroma_sample_location: TAVChromaLocation; + {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52037000} // >= 52.37.0 + (** + * The codec may call this to execute several independent 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. + * Also see avcodec_thread_init and e.g. the --enable-pthread configure option. + * @param c context passed also to func + * @param count the number of things to execute + * @param arg2 argument passed unchanged to func + * @param ret return values of executed functions, must have space for "count" values. May be NULL. + * @param func function that will be called count times, with jobnr from 0 to count-1. + * threadnr will be in the range 0 to c->thread_count-1 < MAX_THREADS and so that no + * two instances of func executing at the same time will have the same threadnr. + * @return always 0 currently, but code should handle a future improvement where when any call to func + * returns < 0 no further calls to func may be done and < 0 is returned. + * - encoding: Set by libavcodec, user can override. + * - decoding: Set by libavcodec, user can override. + *) + execute2: function (c: PAVCodecContext; func: function (c2: PAVCodecContext; arg: Pointer; jobnr: cint; threadnr: cint): cint; cdecl; arg2: Pointer; ret: Pcint; count: cint): cint; cdecl; + {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52042000} // >= 52.42.0 + (** + * explicit P-frame weighted prediction analysis method + * 0: off + * 1: fast blind weighting (one reference duplicate with -1 offset) + * 2: smart weighting (full fade detection analysis) + * - encoding: Set by user. + * - decoding: unused + *) + weighted_p_pred: cint; + {$IFEND} end; (** * AVCodec. *) TAVCodec = record - name: pchar; + name: PAnsiChar; type_: TCodecType; id: TCodecID; priv_data_size: cint; init: function (avctx: PAVCodecContext): cint; cdecl; (* typo corretion by the Creative CAT *) - encode: function (avctx: PAVCodecContext; buf: pchar; buf_size: cint; data: pointer): cint; cdecl; + encode: function (avctx: PAVCodecContext; buf: PByteArray; buf_size: cint; data: pointer): cint; cdecl; close: function (avctx: PAVCodecContext): cint; cdecl; decode: function (avctx: PAVCodecContext; outdata: pointer; var outdata_size: cint; - buf: {const} pchar; buf_size: cint): cint; cdecl; + {$IF LIBAVCODEC_VERSION < 52025000} // 52.25.0 + buf: {const} PByteArray; buf_size: cint): cint; cdecl; + {$ELSE} + avpkt: PAVPacket): cint; cdecl; + {$IFEND} (** * Codec capabilities. * see CODEC_CAP_* @@ -2406,10 +2853,10 @@ type pix_fmts: {const} PAVPixelFormat; ///< array of supported pixel formats, or NULL if unknown, array is terminated by -1 {$IF LIBAVCODEC_VERSION >= 51055000} // 51.55.0 (** - * Descriptive name for the codec, meant to be more human readable than \p name. - * You \e should use the NULL_IF_CONFIG_SMALL() macro to define it. + * Descriptive name for the codec, meant to be more human readable than name. + * You should use the NULL_IF_CONFIG_SMALL() macro to define it. *) - long_name: {const} PChar; + long_name: {const} PAnsiChar; {$IFEND} {$IF LIBAVCODEC_VERSION >= 51056000} // 51.56.0 supported_samplerates: {const} PCint; ///< array of supported audio samplerates, or NULL if unknown, array is terminated by 0 @@ -2417,7 +2864,109 @@ type {$IF LIBAVCODEC_VERSION >= 51062000} // 51.62.0 sample_fmts: {const} PSampleFormatArray; ///< array of supported sample formats, or NULL if unknown, array is terminated by -1 {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52002000} // 52.2.0 + channel_layouts: {const} PCint64; ///< array of support channel layouts, or NULL if unknown. array is terminated by 0 + {$IFEND} + end; + +{$IF LIBAVCODEC_VERSION >= 52018000} // 52.18.0 +(** + * AVHWAccel. + *) + TAVHWAccel = record + (** + * Name of the hardware accelerated codec. + * The name is globally unique among encoders and among decoders (but an + * encoder and a decoder can share the same name). + *) + name: PAnsiChar; + + (** + * Type of codec implemented by the hardware accelerator. + * + * See CODEC_TYPE_xxx + *) + type_: TCodecType; + + (** + * Codec implemented by the hardware accelerator. + * + * See CODEC_ID_xxx + *) + id: TCodecID; + + (** + * Supported pixel format. + * + * Only hardware accelerated formats are supported here. + *) + pix_fmt: {const} PAVPixelFormat; + + (** + * Hardware accelerated codec capabilities. + * see FF_HWACCEL_CODEC_CAP_* + *) + capabilities: cint; + + next: PAVCodec; + + (** + * Called at the beginning of each frame or field picture. + * + * Meaningful frame information (codec specific) is guaranteed to + * be parsed at this point. This function is mandatory. + * + * Note that buf can be NULL along with buf_size set to 0. + * Otherwise, this means the whole frame is available at this point. + * + * @param avctx the codec context + * @param buf the frame data buffer base + * @param buf_size the size of the frame in bytes + * @return zero if successful, a negative value otherwise + *) + start_frame: function (avctx: PAVCodecContext; + buf: PByteArray; + buf_size: cint): cint; cdecl; + + (** + * Callback for each slice. + * + * Meaningful slice information (codec specific) is guaranteed to + * be parsed at this point. This function is mandatory. + * + * @param avctx the codec context + * @param buf the slice data buffer base + * @param buf_size the size of the slice in bytes + * @return zero if successful, a negative value otherwise + *) + decode_slice: function (avctx: PAVCodecContext; + buf: PByteArray; + buf_size: cint): cint; cdecl; + + (** + * Called at the end of each frame or field picture. + * + * The whole picture is parsed at this point and can now be sent + * to the hardware accelerator. This function is mandatory. + * + * @param avctx the codec context + * @return zero if successful, a negative value otherwise + *) + end_frame: function (avctx: PAVCodecContext): cint; cdecl; + +{$IF LIBAVCODEC_VERSION >= 52021000} // >= 52.21.0 + (** + * Size of HW accelerator private data. + * + * Private data is allocated with av_mallocz() before + * AVCodecContext.get_buffer() and deallocated after + * AVCodecContext.release_buffer(). + *) + priv_data_size: cint; +{$IFEND} + end; +{$IFEND} (** * four components are given, that's all. @@ -2425,35 +2974,149 @@ type *) PAVPicture = ^TAVPicture; TAVPicture = record - data: array [0..3] of pchar; + data: array [0..3] of PByteArray; linesize: array [0..3] of cint; ///< number of bytes per line end; type + TAVSubtitleType = ( + SUBTITLE_NONE, + + SUBTITLE_BITMAP, ///< A bitmap, pict will be set + + (** + * Plain text, the text field must be set by the decoder and is + * authoritative. ass and pict fields may contain approximations. + *) + SUBTITLE_TEXT, + + (** + * Formatted text, the ass field must be set by the decoder and is + * authoritative. pict and text fields may contain approximations. + *) + SUBTITLE_ASS + ); + +type + PPAVSubtitleRect = ^PAVSubtitleRect; PAVSubtitleRect = ^TAVSubtitleRect; + {$IF LIBAVCODEC_VERSION < 52010000} // < 52.10.0 TAVSubtitleRect = record - x: word; - y: word; - w: word; - h: word; - nb_colors: word; + x: cuint16; + y: cuint16; + w: cuint16; + h: cuint16; + nb_colors: cuint16; linesize: cint; - rgba_palette: PCuint; - bitmap: pchar; + rgba_palette: PCuint32; + bitmap: PCuint8; + end; + {$ELSE} + TAVSubtitleRect = record + x: cint; ///< top left corner of pict, undefined when pict is not set + y: cint; ///< top left corner of pict, undefined when pict is not set + w: cint; ///< width of pict, undefined when pict is not set + h: cint; ///< height of pict, undefined when pict is not set + nb_colors: cint; ///< number of colors in pict, undefined when pict is not set + + (** + * data+linesize for the bitmap of this subtitle. + * can be set for text/ass as well once they where rendered + *) + pict: TAVPicture; + type_: TAVSubtitleType; + + text: PAnsiChar; ///< 0 terminated plain UTF-8 text + + (** + * 0 terminated ASS/SSA compatible event line. + * The pressentation of this is unaffected by the other values in this + * struct. + *) + ass: PByteArray; end; + {$IFEND} + PPAVSubtitle = ^PAVSubtitle; PAVSubtitle = ^TAVSubtitle; - TAVSubtitle = record {20} - format: word; (* 0 = graphics *) - start_display_time: cuint; (* relative to packet pts, in ms *) - end_display_time: cuint; (* relative to packet pts, in ms *) + TAVSubtitle = record + format: cuint16; (* 0 = graphics *) + start_display_time: cuint32; (* relative to packet pts, in ms *) + end_display_time: cuint32; (* relative to packet pts, in ms *) num_rects: cuint; + {$IF LIBAVCODEC_VERSION < 52010000} // < 52.10.0 rects: PAVSubtitleRect; + {$ELSE} + rects: PPAVSubtitleRect; + {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52032000} // >= 52.32.0 + pts: cint64; ///< Same as packet pts, in AV_TIME_BASE + {$IFEND} end; +{$IF LIBAVCODEC_VERSION >= 52025000} // 52.25.0 +{ packet functions } -(* resample.c *) +(** + * @deprecated use NULL instead + *) +procedure av_destruct_packet_nofree(pkt: PAVPacket); + cdecl; external av__codec; + +(* + * Default packet destructor. + *) +procedure av_destruct_packet(pkt: PAVPacket); + cdecl; external av__codec; +(* + * Initialize optional fields of a packet with default values. + * + * @param pkt packet + *) +procedure av_init_packet(var pkt: TAVPacket); + cdecl; external av__codec; + +(* + * Allocate the payload of a packet and initialize its fields with + * default values. + * + * @param pkt packet + * @param size wanted payload size + * @return 0 if OK, AVERROR_xxx otherwise + *) +function av_new_packet(pkt: PAVPacket; size: cint): cint; + cdecl; external av__codec; + +(* + * Reduce packet size, correctly zeroing padding + * + * @param pkt packet + * @param size new size + *) +procedure av_shrink_packet(pkt: PAVPacket; size: cint); + cdecl; external av__codec; + +(* + * @warning This is a hack - the packet memory allocation stuff is broken. The + * packet is allocated if it was not really allocated. + *) +function av_dup_packet(pkt: PAVPacket): cint; + cdecl; external av__codec; + +(* + * Free a packet. + * + * @param pkt packet to free + *) +procedure av_free_packet(pkt: PAVPacket); +{$IF LIBAVCODEC_VERSION >= 52028000} // 52.28.0 + cdecl; external av__codec; +{$IFEND} +{$IFEND} + +(* resample.c *) +type PReSampleContext = pointer; PAVResampleContext = pointer; PImgReSampleContext = pointer; @@ -2468,15 +3131,44 @@ function audio_resample (s: PReSampleContext; output: PSmallint; input: PSmallin procedure audio_resample_close (s: PReSampleContext); cdecl; external av__codec; - +(** + * Initializes an audio resampler. + * Note, if either rate is not an integer then simply scale both rates up so they are. + * @param filter_length length of each FIR filter in the filterbank relative to the cutoff freq + * @param log2_phase_count log2 of the number of entries in the polyphase filterbank + * @param linear If 1 then the used FIR filter will be linearly interpolated + between the 2 closest, if 0 the closest will be used + * @param cutoff cutoff frequency, 1.0 corresponds to half the output sampling rate + *) function av_resample_init (out_rate: cint; in_rate: cint; filter_length: cint; log2_phase_count: cint; linear: cint; cutoff: cdouble): PAVResampleContext; cdecl; external av__codec; +(** + * resamples. + * @param src an array of unconsumed samples + * @param consumed the number of samples of src which have been consumed are returned here + * @param src_size the number of unconsumed samples available + * @param dst_size the amount of space in samples available in dst + * @param update_ctx If this is 0 then the context will not be modified, that way several channels can be resampled with the same context. + * @return the number of samples written in dst or -1 if an error occurred + *) function av_resample (c: PAVResampleContext; dst: PSmallint; src: PSmallint; var consumed: cint; src_size: cint; dst_size: cint; update_ctx: cint): cint; cdecl; external av__codec; +(** + * Compensates samplerate/timestamp drift. The compensation is done by changing + * the resampler parameters, so no audible clicks or similar distortions occur + * @param compensation_distance distance in output samples over which the compensation should be performed + * @param sample_delta number of output samples which should be output less + * + * example: av_resample_compensate(c, 10, 500) + * here instead of 510 samples only 500 samples would be output + * + * note, due to rounding the actual compensation might be slightly different, + * especially if the compensation_distance is large and the in_rate used during init is small + *) procedure av_resample_compensate (c: PAVResampleContext; sample_delta: cint; compensation_distance: cint); cdecl; external av__codec; @@ -2484,7 +3176,6 @@ procedure av_resample_compensate (c: PAVResampleContext; sample_delta: cint; procedure av_resample_close (c: PAVResampleContext); cdecl; external av__codec; - {$IF LIBAVCODEC_VERSION < 52000000} // 52.0.0 (* YUV420 format is assumed ! *) @@ -2517,7 +3208,6 @@ procedure img_resample (s: PImgReSampleContext; output: PAVPicture; input: {cons *) procedure img_resample_close (s: PImgReSampleContext); cdecl; external av__codec; deprecated; - {$IFEND} (** @@ -2549,6 +3239,7 @@ procedure avpicture_free (picture: PAVPicture); * If a planar format is specified, several pointers will be set pointing to * the different picture planes and the line sizes of the different planes * will be stored in the lines_sizes array. + * Call with ptr == NULL to get the required size for the ptr buffer. * * @param picture AVPicture whose fields are to be filled in * @param ptr Buffer which will contain or contains the actual image data @@ -2563,17 +3254,20 @@ function avpicture_fill (picture: PAVPicture; ptr: pointer; function avpicture_layout (src: {const} PAVPicture; pix_fmt: TAVPixelFormat; width: cint; height: cint; - dest: pchar; dest_size: cint): cint; + dest: PByteArray; dest_size: cint): cint; cdecl; external av__codec; (** * Calculate the size in bytes that a picture of the given width and height * would occupy if stored in the given picture format. + * Note that this returns the size of a compact representation as generated + * by avpicture_layout, which can be smaller than the size required for e.g. + * avpicture_fill. * * @param pix_fmt the given picture format * @param width the width of the image * @param height the height of the image - * @return Image data size in bytes + * @return Image data size in bytes or -1 on error (e.g. too large dimensions). *) function avpicture_get_size (pix_fmt: TAVPixelFormat; width: cint; height: cint): cint; cdecl; external av__codec; @@ -2581,13 +3275,35 @@ function avpicture_get_size (pix_fmt: TAVPixelFormat; width: cint; height: cint) procedure avcodec_get_chroma_sub_sample (pix_fmt: TAVPixelFormat; var h_shift: cint; var v_shift: cint); cdecl; external av__codec; -function avcodec_get_pix_fmt_name(pix_fmt: TAVPixelFormat): pchar; +(** + * Returns the pixel format corresponding to the name \p name. + * + * If there is no pixel format with name \p name, then looks for a + * pixel format with the name corresponding to the native endian + * format of \p name. + * For example in a little-endian system, first looks for "gray16", + * then for "gray16le". + * + * Finally if no pixel format has been found, returns \c PIX_FMT_NONE. + *) +function avcodec_get_pix_fmt_name(pix_fmt: TAVPixelFormat): PAnsiChar; cdecl; external av__codec; procedure avcodec_set_dimensions(s: PAVCodecContext; width: cint; height: cint); cdecl; external av__codec; -function avcodec_get_pix_fmt(name: {const} pchar): TAVPixelFormat; +(** + * Returns the pixel format corresponding to the name name. + * + * If there is no pixel format with name name, then looks for a + * pixel format with the name corresponding to the native endian + * format of name. + * For example in a little-endian system, first looks for "gray16", + * then for "gray16le". + * + * Finally if no pixel format has been found, returns PIX_FMT_NONE. + *) +function avcodec_get_pix_fmt(name: {const} PAnsiChar): TAVPixelFormat; cdecl; external av__codec; function avcodec_pix_fmt_to_codec_tag(p: TAVPixelFormat): cuint; @@ -2630,7 +3346,7 @@ function avcodec_get_pix_fmt_loss (dst_pix_fmt: TAVPixelFormat; src_pix_fmt: TAV * some formats to other formats. avcodec_find_best_pix_fmt() searches which of * the given pixel formats should be used to suffer the least amount of loss. * The pixel formats from which it chooses one, are determined by the - * \p pix_fmt_mask parameter. + * pix_fmt_mask parameter. * * @code * src_pix_fmt = PIX_FMT_YUV420P; @@ -2648,10 +3364,14 @@ function avcodec_get_pix_fmt_loss (dst_pix_fmt: TAVPixelFormat; src_pix_fmt: TAV function avcodec_find_best_pix_fmt(pix_fmt_mask: cint64; src_pix_fmt: TAVPixelFormat; has_alpha: cint; loss_ptr: PCint): cint; cdecl; external av__codec; -{$ELSE} +{$ELSEIF LIBAVCODEC_VERSION < 52022001} function avcodec_find_best_pix_fmt(pix_fmt_mask: cint; src_pix_fmt: TAVPixelFormat; has_alpha: cint; loss_ptr: PCint): cint; cdecl; external av__codec; +{$ELSE} +function avcodec_find_best_pix_fmt(pix_fmt_mask: cint; src_pix_fmt: TAVPixelFormat; + has_alpha: cint; loss_ptr: PCint): TAVPixelFormat; + cdecl; external av__codec; {$IFEND} {$IF LIBAVCODEC_VERSION >= 51041000} // 51.41.0 @@ -2665,9 +3385,14 @@ function avcodec_find_best_pix_fmt(pix_fmt_mask: cint; src_pix_fmt: TAVPixelForm * a negative value to print the corresponding header. * Meaningful values for obtaining a pixel format info vary from 0 to PIX_FMT_NB -1. *) -procedure avcodec_pix_fmt_string (buf: PChar; buf_size: cint; pix_fmt: cint); +{$IF LIBAVCODEC_VERSION < 52022001} // 52.22.1 +procedure avcodec_pix_fmt_string (buf: PAnsiChar; buf_size: cint; pix_fmt: cint); + cdecl; external av__codec; +{$ELSE} +procedure avcodec_pix_fmt_string (buf: PAnsiChar; buf_size: cint; pix_fmt: TAVPixelFormat); cdecl; external av__codec; {$IFEND} +{$IFEND} const FF_ALPHA_TRANSP = $0001; {* image has some totally transparent pixels *} @@ -2679,7 +3404,8 @@ const *) function img_get_alpha_info (src: {const} PAVPicture; pix_fmt: TAVPixelFormat; - width: cint; height: cint): cint; + width: cint; + height: cint): cint; cdecl; external av__codec; {$IF LIBAVCODEC_VERSION < 52000000} // 52.0.0 @@ -2695,8 +3421,11 @@ function img_convert (dst: PAVPicture; dst_pix_fmt: TAVPixelFormat; (* deinterlace a picture *) (* deinterlace - if not supported return -1 *) -function avpicture_deinterlace (dst: PAVPicture; src: {const} PAVPicture; - pix_fmt: TAVPixelFormat; width: cint; height: cint): cint; +function avpicture_deinterlace (dst: PAVPicture; + src: {const} PAVPicture; + pix_fmt: TAVPixelFormat; + width: cint; + height: cint): cint; cdecl; external av__codec; {* external high level API *} @@ -2709,6 +3438,11 @@ var {$IFEND} {$IF LIBAVCODEC_VERSION >= 51049000} // 51.49.0 +(** + * If c is NULL, returns the first registered codec, + * if c is non-NULL, returns the next registered codec after c, + * or NULL if c is the last one. + *) function av_codec_next(c: PAVCodec): PAVCodec; cdecl; external av__codec; {$IFEND} @@ -2725,18 +3459,44 @@ function avcodec_build(): cuint; cdecl; external av__codec; deprecated; {$IFEND} +{$IF LIBAVCODEC_VERSION >= 52041000} // 52.41.0 +(** + * Returns the libavcodec build-time configuration. + *) +function avcodec_configuration(): PAnsiChar; + cdecl; external av__codec; + +(** + * Returns the libavcodec license. + *) +function avcodec_license(): PAnsiChar; + cdecl; external av__codec; +{$IFEND} + (** * Initializes libavcodec. * - * @warning This function \e must be called before any other libavcodec + * @warning This function must be called before any other libavcodec * function. *) procedure avcodec_init(); cdecl; external av__codec; -procedure register_avcodec(format: PAVCodec); +(** + * Register the codec codec and initialize libavcodec. + * + * @see avcodec_init() + *) +{$IF LIBAVCODEC_VERSION >= 52014000} // 52.14.0 +procedure avcodec_register(codec: PAVCodec); cdecl; external av__codec; - +// Deprecated in favor of avcodec_register. +procedure register_avcodec(codec: PAVCodec); + cdecl; external av__codec; deprecated; +{$ELSEIF LIBAVCODEC_VERSION_MAJOR < 53} +procedure register_avcodec(codec: PAVCodec); + cdecl; external av__codec; +{$IFEND} (** * Finds a registered encoder with a matching codec ID. * @@ -2752,7 +3512,7 @@ function avcodec_find_encoder(id: TCodecID): PAVCodec; * @param name name of the requested encoder * @return An encoder if one was found, NULL otherwise. *) -function avcodec_find_encoder_by_name(name: pchar): PAVCodec; +function avcodec_find_encoder_by_name(name: PAnsiChar): PAVCodec; cdecl; external av__codec; (** @@ -2770,9 +3530,9 @@ function avcodec_find_decoder(id: TCodecID): PAVCodec; * @param name name of the requested decoder * @return A decoder if one was found, NULL otherwise. *) -function avcodec_find_decoder_by_name(name: pchar): PAVCodec; +function avcodec_find_decoder_by_name(name: PAnsiChar): PAVCodec; cdecl; external av__codec; -procedure avcodec_string(buf: pchar; buf_size: cint; enc: PAVCodecContext; encode: cint); +procedure avcodec_string(buf: PAnsiChar; buf_size: cint; enc: PAVCodecContext; encode: cint); cdecl; external av__codec; (** @@ -2851,10 +3611,27 @@ function avcodec_thread_init(s: PAVCodecContext; thread_count: cint): cint; cdecl; external av__codec; procedure avcodec_thread_free(s: PAVCodecContext); cdecl; external av__codec; + + +{$IF LIBAVCODEC_VERSION < 52004000} // < 52.4.0 function avcodec_thread_execute(s: PAVCodecContext; func: TExecuteFunc; arg: PPointer; var ret: cint; count: cint): cint; cdecl; external av__codec; +{$ELSE} +function avcodec_thread_execute(s: PAVCodecContext; func: TExecuteFunc; arg: Pointer; var ret: cint; count: cint; size: cint): cint; + cdecl; external av__codec; +{$IFEND} + +{$IF LIBAVCODEC_VERSION < 52004000} // < 52.4.0 function avcodec_default_execute(s: PAVCodecContext; func: TExecuteFunc; arg: PPointer; var ret: cint; count: cint): cint; cdecl; external av__codec; +{$ELSE} +function avcodec_default_execute(s: PAVCodecContext; func: TExecuteFunc; arg: Pointer; var ret: cint; count: cint; size: cint): cint; + cdecl; external av__codec; +{$IFEND} +{$IF LIBAVCODEC_VERSION >= 52037000} // >= 52.37.0 +function avcodec_default_execute2(s: PAVCodecContext; func: TExecuteFunc; arg: Pointer; var ret: cint; count: cint): cint; + cdecl; external av__codec; +{$IFEND} //FIXME func typedef (** @@ -2889,122 +3666,191 @@ function avcodec_open(avctx: PAVCodecContext; codec: PAVCodec): cint; {$IF LIBAVCODEC_VERSION < 52000000} // < 52.0.0 (** - * @deprecated Use avcodec_decode_audio2() instead. + * @deprecated Use avcodec_decode_audio2 instead. *) function avcodec_decode_audio(avctx: PAVCodecContext; samples: PSmallint; var frame_size_ptr: cint; - buf: {const} pchar; buf_size: cint): cint; - cdecl; external av__codec; + buf: {const} PByteArray; buf_size: cint): cint; + cdecl; external av__codec; {deprecated;} {$IFEND} +{$IF LIBAVCODEC_MAX_VERSION_MAJOR < 53} {$IF LIBAVCODEC_VERSION >= 51030000} // 51.30.0 (** - * Decodes an audio frame from \p buf into \p samples. - * The avcodec_decode_audio2() function decodes an audio frame from the input - * buffer \p buf of size \p buf_size. To decode it, it makes use of the - * audio codec which was coupled with \p avctx using avcodec_open(). The - * resulting decoded frame is stored in output buffer \p samples. If no frame - * could be decompressed, \p frame_size_ptr is zero. Otherwise, it is the - * decompressed frame size in \e bytes. + * Decodes an audio frame from buf into samples. + * Wrapper function which calls avcodec_decode_audio3. * - * @warning You \e must set \p frame_size_ptr to the allocated size of the - * output buffer before calling avcodec_decode_audio2(). + * @deprecated Use avcodec_decode_audio3 instead. + * @param avctx the codec context + * @param[out] samples the output buffer, sample type in avctx->sample_fmt + * @param[in,out] frame_size_ptr the output buffer size in bytes + * @param[in] buf the input buffer + * @param[in] buf_size the input buffer size in bytes + * @return On error a negative value is returned, otherwise the number of bytes + * used or zero if no frame could be decompressed. + *) +function avcodec_decode_audio2(avctx: PAVCodecContext; samples: PSmallint; + var frame_size_ptr: cint; + buf: {const} PByteArray; buf_size: cint): cint; + cdecl; external av__codec; {deprecated;} +{$IFEND} +{$IFEND} + +{$IF LIBAVCODEC_VERSION >= 52025000} // 52.25.0 +(** + * Decodes the audio frame of size avpkt->size from avpkt->data into samples. + * Some decoders may support multiple frames in a single AVPacket, such + * decoders would then just decode the first frame. In this case, + * avcodec_decode_audio3 has to be called again with an AVPacket that contains + * the remaining data in order to decode the second frame etc. + * If no frame + * could be outputted, frame_size_ptr is zero. Otherwise, it is the + * decompressed frame size in bytes. + * + * @warning You must set frame_size_ptr to the allocated size of the + * output buffer before calling avcodec_decode_audio3(). * - * @warning The input buffer must be \c FF_INPUT_BUFFER_PADDING_SIZE larger than + * @warning The input buffer must be 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 + * @warning The end of the input buffer avpkt->data 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 + * @note You might have to align the input buffer avpkt->data and output buffer * 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. + * * it will work but it will have an impact on performance. + * + * In practice, avpkt->data should have 4 byte alignment at minimum and + * samples should be 16 byte aligned unless the CPU doesn't need it + * (AltiVec and SSE do). + * + * @note Some codecs have a delay between input and output, these need to be + * feeded with avpkt->data=NULL, avpkt->size=0 at the end to return the remaining frames. * * @param avctx the codec context * @param[out] samples the output buffer * @param[in,out] frame_size_ptr the output buffer size in bytes - * @param[in] buf the input buffer - * @param[in] buf_size the input buffer size in bytes + * @param[in] avpkt The input AVPacket containing the input buffer. + * You can create such packet with av_init_packet() and by then setting + * data and size, some decoders might in addition need other fields. + * All decoders are designed to use the least fields possible though. * @return On error a negative value is returned, otherwise the number of bytes - * used or zero if no frame could be decompressed. + * used or zero if no frame data was decompressed (used) from the input AVPacket. *) -function avcodec_decode_audio2(avctx: PAVCodecContext; samples: PSmallint; +function avcodec_decode_audio3(avctx: PAVCodecContext; samples: PSmallint; var frame_size_ptr: cint; - buf: {const} pchar; buf_size: cint): cint; + avpkt: PAVPacket): cint; cdecl; external av__codec; {$IFEND} +{$IF LIBAVCODEC_MAX_VERSION_MAJOR < 53} +(** + * Decodes a video frame from buf into picture. + * Wrapper function which calls avcodec_decode_video2. + * + * @deprecated Use avcodec_decode_video2 instead. + * @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; + var got_picture_ptr: cint; + buf: {const} PByteArray; buf_size: cint): cint; + cdecl; external av__codec; {deprecated;} +{$IFEND} + +{$IF LIBAVCODEC_VERSION >= 52025000} // 52.25.0 (** - * 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. + * Decodes the video frame of size avpkt->size from avpkt->data into picture. + * Some decoders may support multiple frames in a single AVPacket, such + * decoders would then just decode the first frame. * - * @warning The input buffer must be \c FF_INPUT_BUFFER_PADDING_SIZE larger than + * @warning The input buffer must be 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 + * @warning The end of the input buffer 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 + * @note You might have to align the input buffer avpkt->data. + * 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. + * it will work but it will have an impact on performance. + * + * In practice, avpkt->data should have 4 byte alignment at minimum. * * @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] avpkt The input AVpacket containing the input buffer. + * You can create such packet with av_init_packet() and by then setting + * data and size, some decoders might in addition need other fields like + * flags&PKT_FLAG_KEY. All decoders are designed to use the least + * fields possible. * @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; +function avcodec_decode_video2(avctx: PAVCodecContext; picture: PAVFrame; var got_picture_ptr: cint; - buf: {const} PChar; buf_size: cint): cint; + avpkt: PAVPacket): cint; cdecl; external av__codec; +{$IFEND} +{$IF LIBAVCODEC_MAX_VERSION_MAJOR < 53} (* Decode a subtitle message. Return -1 if error, otherwise return the * number of bytes used. If no subtitle could be decompressed, - * got_sub_ptr is zero. Otherwise, the subtitle is stored in *sub. *) + * got_sub_ptr is zero. Otherwise, the subtitle is stored in*sub. + *) function avcodec_decode_subtitle(avctx: PAVCodecContext; sub: PAVSubtitle; var got_sub_ptr: cint; - buf: {const} pchar; buf_size: cint): cint; + buf: {const} PByteArray; buf_size: cint): cint; + cdecl; external av__codec; +{$IFEND} + +{$IF LIBAVCODEC_VERSION >= 52025000} // 52.25.0 +(* Decodes a subtitle message. + * Returns a negative value on error, otherwise returns the number of bytes used. + * If no subtitle could be decompressed, got_sub_ptr is zero. + * Otherwise, the subtitle is stored in sub. + * + * @param avctx the codec context + * @param[out] sub The AVSubtitle in which the decoded subtitle will be stored. + * @param[in,out] got_sub_ptr Zero if no subtitle could be decompressed, otherwise, it is nonzero. + * @param[in] avpkt The input AVPacket containing the input buffer. + *) +function avcodec_decode_subtitle2(avctx: PAVCodecContext; sub: PAVSubtitle; + var got_sub_ptr: cint; + avpkt: PAVPacket): cint; cdecl; external av__codec; +{$IFEND} + function avcodec_parse_frame(avctx: PAVCodecContext; pdata: PPointer; data_size_ptr: PCint; - buf: pchar; buf_size: cint): cint; + buf: PByteArray; buf_size: cint): cint; cdecl; external av__codec; (** - * Encodes an audio frame from \p samples into \p buf. - * The avcodec_encode_audio() function encodes an audio frame from the input - * buffer \p samples. To encode it, it makes use of the audio codec which was - * coupled with \p avctx using avcodec_open(). The resulting encoded frame is - * stored in output buffer \p buf. + * Encodes an audio frame from samples into buf. * - * @note The output buffer should be at least \c FF_MIN_BUFFER_SIZE bytes large. + * @note The output buffer should be at least FF_MIN_BUFFER_SIZE bytes large. + * However, for PCM audio the user will know how much space is needed + * because it depends on the value passed in buf_size as described + * below. In that case a lower value can be used. * * @param avctx the codec context * @param[out] buf the output buffer * @param[in] buf_size the output buffer size * @param[in] samples the input buffer containing the samples * The number of samples read from this buffer is frame_size*channels, - * both of which are defined in \p avctx. - * For PCM audio the number of samples read from \p samples is equal to - * \p buf_size * input_sample_size / output_sample_size. + * both of which are defined in avctx. + * For PCM audio the number of samples read from samples is equal to + * buf_size * input_sample_size / output_sample_size. * @return On error a negative value is returned, on success zero or the number * of bytes used to encode the data read from the input buffer. *) @@ -3013,30 +3859,38 @@ function avcodec_encode_audio(avctx: PAVCodecContext; buf: PByte; cdecl; external av__codec; (** - * Encodes a video frame from \p pict into \p buf. - * The avcodec_encode_video() function encodes a video frame from the input - * \p pict. To encode it, it makes use of the video codec which was coupled with - * \p avctx using avcodec_open(). The resulting encoded bytes representing the - * frame are stored in the output buffer \p buf. The input picture should be - * stored using a specific format, namely \c avctx.pix_fmt. + * Encodes a video frame from pict into buf. + * The input picture should be + * stored using a specific format, namely avctx.pix_fmt. * * @param avctx the codec context * @param[out] buf the output buffer for the bitstream of encoded frame * @param[in] buf_size the size of the output buffer in bytes * @param[in] pict the input picture to encode * @return On error a negative value is returned, on success zero or the number - * of bytes used from the input buffer. + * of bytes used from the output buffer. *) function avcodec_encode_video(avctx: PAVCodecContext; buf: PByte; buf_size: cint; pict: PAVFrame): cint; cdecl; external av__codec; -function avcodec_encode_subtitle(avctx: PAVCodecContext; buf: pchar; +function avcodec_encode_subtitle(avctx: PAVCodecContext; buf: PByteArray; buf_size: cint; sub: {const} PAVSubtitle): cint; cdecl; external av__codec; function avcodec_close(avctx: PAVCodecContext): cint; cdecl; external av__codec; +(** + * Register all the codecs, parsers and bitstream filters which were enabled at + * configuration time. If you do not call this function you can select exactly + * which formats you want to support, by using the individual registration + * functions. + * + * @see register_avcodec + * @see avcodec_register + * @see av_register_codec_parser + * @see av_register_bitstream_filter + *) procedure avcodec_register_all(); cdecl; external av__codec; @@ -3052,12 +3906,12 @@ procedure avcodec_default_free_buffers(s: PAVCodecContext); (* misc useful functions *) (** - * Returns a single letter to describe the given picture type \p pict_type. + * Returns a single letter to describe the given picture type pict_type. * * @param[in] pict_type the picture type * @return A single character representing the picture type. *) -function av_get_pict_type_char(pict_type: cint): char; +function av_get_pict_type_char(pict_type: cint): AnsiChar; cdecl; external av__codec; (** @@ -3097,6 +3951,15 @@ type next_frame_offset: cint64; (* offset of the next frame *) (* video info *) pict_type: cint; (* XXX: put it back in AVCodecContext *) + (** + * This field is used for proper frame duration computation in lavf. + * It signals, how much longer the frame duration of the current frame + * is compared to normal frame duration. + * + * frame_duration = (1 + repeat_pict) * time_base + * + * It is used by codecs like H.264 to display telecined material. + *) repeat_pict: cint; (* XXX: put it back in AVCodecContext *) pts: cint64; (* pts of the current frame *) dts: cint64; (* dts of the current frame *) @@ -3119,6 +3982,94 @@ type {$IF LIBAVCODEC_VERSION >= 51057001} // 51.57.1 cur_frame_end: array [0..AV_PARSER_PTS_NB - 1] of cint64; {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52016000} // 52.16.0 + (*! + * Set by parser to 1 for key frames and 0 for non-key frames. + * It is initialized to -1, so if the parser doesn't set this flag, + * old-style fallback using FF_I_TYPE picture type as key frames + * will be used. + *) + key_frame: cint; + {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52018000} // 52.18.0 + (** + * Time difference in stream time base units from the pts of this + * packet to the point at which the output from the decoder has converged + * independent from the availability of previous frames. That is, the + * frames are virtually identical no matter if decoding started from + * the very first frame or from this keyframe. + * Is AV_NOPTS_VALUE if unknown. + * This field is not the display duration of the current frame. + * + * The purpose of this field is to allow seeking in streams that have no + * keyframes in the conventional sense. It corresponds to the + * recovery point SEI in H.264 and match_time_delta in NUT. It is also + * essential for some types of subtitle streams to ensure that all + * subtitles are correctly displayed after seeking. + *) + convergence_duration: cint64; + {$IFEND} + {$IF LIBAVCODEC_VERSION >= 52019000} // 52.19.0 + // Timestamp generation support: + (** + * Synchronization point for start of timestamp generation. + * + * Set to >0 for sync point, 0 for no sync point and <0 for undefined + * (default). + * + * For example, this corresponds to presence of H.264 buffering period + * SEI message. + *) + dts_sync_point: cint; + + (** + * Offset of the current timestamp against last timestamp sync point in + * units of AVCodecContext.time_base. + * + * Set to INT_MIN when dts_sync_point unused. Otherwise, it must + * contain a valid timestamp offset. + * + * Note that the timestamp of sync point has usually a nonzero + * dts_ref_dts_delta, which refers to the previous sync point. Offset of + * the next frame after timestamp sync point will be usually 1. + * + * For example, this corresponds to H.264 cpb_removal_delay. + *) + dts_ref_dts_delta: cint; + + (** + * Presentation delay of current frame in units of AVCodecContext.time_base. + * + * Set to INT_MIN when dts_sync_point unused. Otherwise, it must + * contain valid non-negative timestamp delta (presentation time of a frame + * must not lie in the past). + * + * This delay represents the difference between decoding and presentation + * time of the frame. + * + * For example, this corresponds to H.264 dpb_output_delay. + *) + pts_dts_delta: cint; + {$IFEND} + + {$IF LIBAVCODEC_VERSION >= 52021000} // 52.21.0 + (** + * Position of the packet in file. + * + * Analogous to cur_frame_pts/dts + *) + cur_frame_pos: array [0..AV_PARSER_PTS_NB - 1] of cint64; + + (** + * Byte position of currently parsed frame in stream. + *) + pos: cint64; + + (** + * Previous frame byte position. + *) + last_pos: cint64; + {$IFEND} end; TAVCodecParser = record @@ -3127,9 +4078,9 @@ type parser_init: function(s: PAVCodecParserContext): cint; cdecl; parser_parse: function(s: PAVCodecParserContext; avctx: PAVCodecContext; poutbuf: {const} PPointer; poutbuf_size: PCint; - buf: {const} pchar; buf_size: cint): cint; cdecl; + buf: {const} PByteArray; buf_size: cint): cint; cdecl; parser_close: procedure(s: PAVCodecParserContext); cdecl; - split: function(avctx: PAVCodecContext; buf: {const} pchar; + split: function(avctx: PAVCodecContext; buf: {const} PByteArray; buf_size: cint): cint; cdecl; next: PAVCodecParser; end; @@ -3153,16 +4104,64 @@ procedure av_register_codec_parser(parser: PAVCodecParser); function av_parser_init(codec_id: cint): PAVCodecParserContext; cdecl; external av__codec; +{$IF LIBAVCODEC_MAX_VERSION_MAJOR < 53} function av_parser_parse(s: PAVCodecParserContext; avctx: PAVCodecContext; - poutbuf: PPointer; poutbuf_size: PCint; - buf: {const} pchar; buf_size: cint; - pts: cint64; dts: cint64): cint; - cdecl; external av__codec; + poutbuf: PPointer; + poutbuf_size: PCint; + buf: {const} PByteArray; + buf_size: cint; + pts: cint64; + dts: cint64): cint; + cdecl; external av__codec; deprecated; +{$IFEND} + +{$IF LIBAVCODEC_VERSION >= 52021000} // 52.21.0 +(** + * Parse a packet. + * + * @param s parser context. + * @param avctx codec context. + * @param poutbuf set to pointer to parsed buffer or NULL if not yet finished. + * @param poutbuf_size set to size of parsed buffer or zero if not yet finished. + * @param buf input buffer. + * @param buf_size input length, to signal EOF, this should be 0 (so that the last frame can be output). + * @param pts input presentation timestamp. + * @param dts input decoding timestamp. + * @param pos input byte position in stream. + * @return the number of bytes of the input bitstream used. + * + * Example: + * @code + * while (in_len) do + * begin + * len := av_parser_parse2(myparser, AVCodecContext, data, size, + * in_data, in_len, + * pts, dts, pos); + * in_data := in_data + len; + * in_len := in_len - len; + * + * if (size) then + * decode_frame(data, size); + * end; + * @endcode + *) +function av_parser_parse2(s: PAVCodecParserContext; + avctx: PAVCodecContext; + poutbuf: PPointer; + poutbuf_size: PCint; + buf: {const} PByteArray; + buf_size: cint; + pts: cint64; + dts: cint64; + pos: cint64): cint; + cdecl; external av__codec; +{$IFEND} + function av_parser_change(s: PAVCodecParserContext; avctx: PAVCodecContext; poutbuf: PPointer; poutbuf_size: PCint; - buf: {const} pchar; buf_size: cint; keyframe: cint): cint; + buf: {const} PByteArray; buf_size: cint; keyframe: cint): cint; cdecl; external av__codec; procedure av_parser_close(s: PAVCodecParserContext); cdecl; external av__codec; @@ -3179,10 +4178,10 @@ type end; TAVBitStreamFilter = record - name: pchar; + name: PAnsiChar; priv_data_size: cint; filter: function(bsfc: PAVBitStreamFilterContext; - avctx: PAVCodecContext; args: pchar; + avctx: PAVCodecContext; args: PByteArray; poutbuf: PPointer; poutbuf_size: PCint; buf: PByte; buf_size: cint; keyframe: cint): cint; cdecl; {$IF LIBAVCODEC_VERSION >= 51043000} // 51.43.0 @@ -3194,11 +4193,11 @@ type procedure av_register_bitstream_filter(bsf: PAVBitStreamFilter); cdecl; external av__codec; -function av_bitstream_filter_init(name: pchar): PAVBitStreamFilterContext; +function av_bitstream_filter_init(name: PAnsiChar): PAVBitStreamFilterContext; cdecl; external av__codec; function av_bitstream_filter_filter(bsfc: PAVBitStreamFilterContext; - avctx: PAVCodecContext; args: pchar; + avctx: PAVCodecContext; args: PByteArray; poutbuf: PPointer; poutbuf_size: PCint; buf: PByte; buf_size: cint; keyframe: cint): cint; cdecl; external av__codec; @@ -3221,6 +4220,22 @@ function av_bitstream_filter_next(f: PAVBitStreamFilter): PAVBitStreamFilter; procedure av_fast_realloc(ptr: pointer; size: PCuint; min_size: cuint); cdecl; external av__codec; +{$IF LIBAVCODEC_VERSION >= 52025000} // >= 52.25.0 +(** + * Allocates a buffer, reusing the given one if large enough. + * + * Contrary to av_fast_realloc the current buffer contents might not be + * preserved and on error the old buffer is freed, thus no special + * handling to avoid memleaks is necessary. + * + * @param ptr pointer to pointer to already allocated buffer, overwritten with pointer to new buffer + * @param size size of the buffer *ptr points to + * @param min_size minimum size of *ptr buffer after returning, *ptr will be NULL and + * *size 0 if an error occurred. + *) +procedure av_fast_malloc(ptr: pointer; size: PCuint; min_size: cuint); + cdecl; external av__codec; +{$IFEND} {$IF LIBAVCODEC_VERSION < 51057000} // 51.57.0 (* for static data only *) @@ -3233,7 +4248,7 @@ procedure av_fast_realloc(ptr: pointer; size: PCuint; min_size: cuint); * and should correctly use static arrays * *) -procedure av_free_static(); +procedure av_free_static(); cdecl; external av__codec; deprecated; (** @@ -3259,22 +4274,49 @@ procedure av_realloc_static(ptr: pointer; size: cuint); (** * Copy image 'src' to 'dst'. *) -procedure av_picture_copy(dst: PAVPicture; src: {const} PAVPicture; - pix_fmt: cint; width: cint; height: cint); +procedure av_picture_copy(dst: PAVPicture; + src: {const} PAVPicture; +{$IF LIBAVCODEC_VERSION < 52022001} // 52.22.1 + pix_fmt: cint; +{$ELSE} + pix_fmt: TAVPixelFormat; +{$IFEND} + width: cint; + height: cint); cdecl; external av__codec; (** * Crop image top and left side. *) -function av_picture_crop(dst: PAVPicture; src: {const} PAVPicture; - pix_fmt: cint; top_band: cint; left_band: cint): cint; +function av_picture_crop(dst: PAVPicture; + src: {const} PAVPicture; +{$IF LIBAVCODEC_VERSION < 52022001} // 52.22.1 + pix_fmt: cint; +{$ELSE} + pix_fmt: TAVPixelFormat; +{$IFEND} + top_band: cint; + left_band: cint): cint; cdecl; external av__codec; (** * Pad image. *) -function av_picture_pad(dst: PAVPicture; src: {const} PAVPicture; height: cint; width: cint; pix_fmt: cint; - padtop: cint; padbottom: cint; padleft: cint; padright: cint; color: PCint): cint; +function av_picture_pad(dst: PAVPicture; + src: {const} PAVPicture; + height: cint; + width: cint; +{$IF LIBAVCODEC_VERSION < 52022001} // 52.22.1 + pix_fmt: cint; +{$ELSE} + pix_fmt: TAVPixelFormat; +{$IFEND} + padtop: cint; + padbottom: cint; + padleft: cint; + padright: + cint; + color: PCint): cint; cdecl; external av__codec; {$IFEND} @@ -3307,7 +4349,7 @@ function av_xiphlacing(s: PByte; v: cuint): cuint; {$IF LIBAVCODEC_VERSION >= 51041000} // 51.41.0 (** - * Parses \p str and put in \p width_ptr and \p height_ptr the detected values. + * Parses str and put in width_ptr and height_ptr the detected values. * * @return 0 in case of a successful parsing, a negative value otherwise * @param[in] str the string to parse: it has to be a string in the format @@ -3317,34 +4359,19 @@ function av_xiphlacing(s: PByte; v: cuint): cuint; * @param[in,out] height_ptr pointer to the variable which will contain the detected * frame height value *) -function av_parse_video_frame_size(width_ptr: PCint; height_ptr: PCint; str: {const} PChar): cint; +function av_parse_video_frame_size(width_ptr: PCint; height_ptr: PCint; str: {const} PAnsiChar): cint; cdecl; external av__codec; (** - * Parses \p str and put in \p frame_rate the detected values. + * Parses str and put in frame_rate the detected values. * * @return 0 in case of a successful parsing, a negative value otherwise * @param[in] str the string to parse: it has to be a string in the format - * <frame_rate_nom>/<frame_rate_den>, a float number or a valid video rate abbreviation + * <frame_rate_num>/<frame_rate_den>, a float number or a valid video rate abbreviation * @param[in,out] frame_rate pointer to the AVRational which will contain the detected * frame rate *) -function av_parse_video_frame_rate(frame_rate: PAVRational; str: {const} PChar): cint; - cdecl; external av__codec; -{$IFEND} - -{$IF LIBAVCODEC_VERSION >= 51064000} // 51.64.0 -(** - * Logs a generic warning message about a missing feature. - * @param[in] avc a pointer to an arbitrary struct of which the first field is - * a pointer to an AVClass struct - * @param[in] feature string containing the name of the missing feature - * @param[in] want_sample indicates if samples are wanted which exhibit this feature. - * If \p want_sample is non-zero, additional verbage will be added to the log - * message which tells the user how to report samples to the development - * mailing list. - *) -procedure av_log_missing_feature(avc: Pointer; feature: {const} PChar; want_sample: cint); +function av_parse_video_frame_rate(frame_rate: PAVRational; str: {const} PAnsiChar): cint; cdecl; external av__codec; {$IFEND} @@ -3359,11 +4386,13 @@ const EDOM = ESysEDOM; ENOSYS = ESysENOSYS; EILSEQ = ESysEILSEQ; + EPIPE = ESysEPIPE; {$ELSE} ENOENT = 2; EIO = 5; ENOMEM = 12; EINVAL = 22; + EPIPE = 32; // just an assumption. needs to be checked. EDOM = 33; {$IFDEF MSWINDOWS} // Note: we assume that ffmpeg was compiled with MinGW. @@ -3400,11 +4429,101 @@ const AVERROR_NOMEM = AVERROR_SIGN * ENOMEM; (**< not enough memory *) AVERROR_NOFMT = AVERROR_SIGN * EILSEQ; (**< unknown format *) AVERROR_NOTSUPP = AVERROR_SIGN * ENOSYS; (**< Operation not supported. *) - AVERROR_NOENT = AVERROR_SIGN * ENOENT; {**< No such file or directory. *} + AVERROR_NOENT = AVERROR_SIGN * ENOENT; (**< No such file or directory. *) +{$IF LIBAVCODEC_VERSION >= 52017000} // 52.17.0 + AVERROR_EOF = AVERROR_SIGN * EPIPE; (**< End of file. *) +{$IFEND} // Note: function calls as constant-initializers are invalid //AVERROR_PATCHWELCOME = -MKTAG('P','A','W','E'); {**< Not yet implemented in FFmpeg. Patches welcome. *} AVERROR_PATCHWELCOME = -(ord('P') or (ord('A') shl 8) or (ord('W') shl 16) or (ord('E') shl 24)); +{$IF LIBAVCODEC_VERSION >= 52032000} // >= 52.32.0 +(** + * Logs a generic warning message about a missing feature. This function is + * intended to be used internally by FFmpeg (libavcodec, libavformat, etc.) + * only, and would normally not be used by applications. + * @param[in] avc a pointer to an arbitrary struct of which the first field is + * a pointer to an AVClass struct + * @param[in] feature string containing the name of the missing feature + * @param[in] want_sample indicates if samples are wanted which exhibit this feature. + * If want_sample is non-zero, additional verbage will be added to the log + * message which tells the user how to report samples to the development + * mailing list. + *) +procedure av_log_missing_feature(avc: Pointer; feature: {const} Pchar; want_sample: cint); + cdecl; external av__codec; + +(** + * Logs a generic warning message asking for a sample. This function is + * intended to be used internally by FFmpeg (libavcodec, libavformat, etc.) + * only, and would normally not be used by applications. + * @param[in] avc a pointer to an arbitrary struct of which the first field is + * a pointer to an AVClass struct + * @param[in] msg string containing an optional message, or NULL if no message + *) +procedure av_log_ask_for_sample(avc: Pointer; msg: {const} Pchar); + cdecl; external av__codec; +{$IFEND} + +{$IF LIBAVCODEC_VERSION >= 52018000} // 52.18.0 +(** + * Registers the hardware accelerator hwaccel. + *) +procedure av_register_hwaccel (hwaccel: PAVHWAccel) + cdecl; external av__codec; + +(** + * If hwaccel is NULL, returns the first registered hardware accelerator, + * if hwaccel is non-NULL, returns the next registered hardware accelerator + * after hwaccel, or NULL if hwaccel is the last one. + *) +function av_hwaccel_next (hwaccel: PAVHWAccel): PAVHWAccel; + cdecl; external av__codec; +{$IFEND} + +{$IF LIBAVCODEC_VERSION >= 52030000} // 52.30.0 +(** + * Lock operation used by lockmgr + *) +type + TAVLockOp = ( + AV_LOCK_CREATE, ///< Create a mutex + AV_LOCK_OBTAIN, ///< Lock the mutex + AV_LOCK_RELEASE, ///< Unlock the mutex + AV_LOCK_DESTROY ///< Free mutex resources + ); + +(** + * Register a user provided lock manager supporting the operations + * specified by AVLockOp. mutex points to a (void) where the + * lockmgr should store/get a pointer to a user allocated mutex. It's + * NULL upon AV_LOCK_CREATE and != NULL for all other ops. + * + * @param cb User defined callback. Note: FFmpeg may invoke calls to this + * callback during the call to av_lockmgr_register(). + * Thus, the application must be prepared to handle that. + * If cb is set to NULL the lockmgr will be unregistered. + * Also note that during unregistration the previously registered + * lockmgr callback may also be invoked. + *) +// ToDo: Implement and test this +//function av_lockmgr_register(cb: function (mutex: pointer; op: TAVLockOp)): cint; +// cdecl; external av__codec; +{$IFEND} + implementation +{$IF (LIBAVCODEC_VERSION >= 52025000) and (LIBAVCODEC_VERSION <= 52027000)} // 52.25.0 - 52.27.0 +procedure av_free_packet(pkt: PAVPacket);{$IFDEF HASINLINE} inline; {$ENDIF} +begin + if assigned(pkt) then + begin + if assigned(pkt^.destruct) then + pkt^.destruct(pkt); + pkt^.data := NIL; + pkt^.size := 0; + end; +end; +{$IFEND} + end. |