diff options
Diffstat (limited to 'unicode/src/lib/ffmpeg/avcodec.pas')
| -rw-r--r-- | unicode/src/lib/ffmpeg/avcodec.pas | 1528 |
1 files changed, 341 insertions, 1187 deletions
diff --git a/unicode/src/lib/ffmpeg/avcodec.pas b/unicode/src/lib/ffmpeg/avcodec.pas index ceb1b7f0..6039835c 100644 --- a/unicode/src/lib/ffmpeg/avcodec.pas +++ b/unicode/src/lib/ffmpeg/avcodec.pas @@ -29,11 +29,6 @@ * Min. version: 51.16.0, revision 6577, Sat Oct 7 15:30:46 2006 UTC * Max. version: 52.11.0, revision 16912, Sun Feb 1 02:00:19 2009 UTC *) -{ - * update to - * Max. version: 52.31.2, Sar Jun 13 22:05:00 2009 UTC - * MiSchi -} unit avcodec; @@ -65,8 +60,8 @@ uses const (* Max. supported version by this header *) LIBAVCODEC_MAX_VERSION_MAJOR = 52; - LIBAVCODEC_MAX_VERSION_MINOR = 31; - LIBAVCODEC_MAX_VERSION_RELEASE = 2; + LIBAVCODEC_MAX_VERSION_MINOR = 11; + LIBAVCODEC_MAX_VERSION_RELEASE = 0; LIBAVCODEC_MAX_VERSION = (LIBAVCODEC_MAX_VERSION_MAJOR * VERSION_MAJOR) + (LIBAVCODEC_MAX_VERSION_MINOR * VERSION_MINOR) + (LIBAVCODEC_MAX_VERSION_RELEASE * VERSION_RELEASE); @@ -90,9 +85,9 @@ const {$IFEND} const - AV_NOPTS_VALUE: cint64 = $8000000000000000; + AV_NOPTS_VALUE: cint64 = $8000000000000000; AV_TIME_BASE = 1000000; - AV_TIME_BASE_Q: TAVRational = (num: 1; den: AV_TIME_BASE); + AV_TIME_BASE_Q : TAVRational = (num: 1; den: AV_TIME_BASE); (** * Identifies the syntax and semantics of the bitstream. @@ -238,28 +233,6 @@ type CODEC_ID_MOTIONPIXELS, CODEC_ID_TGV, CODEC_ID_TGQ, -{$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} //* various PCM "codecs" */ CODEC_ID_PCM_S16LE= $10000, @@ -335,7 +308,7 @@ 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, @@ -381,15 +354,6 @@ type 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} //* subtitle codecs */ CODEC_ID_DVD_SUBTITLE= $17000, @@ -405,11 +369,11 @@ 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; @@ -443,7 +407,7 @@ type _TSampleFormatArray = array [0 .. MaxInt div SizeOf(TSampleFormat)-1] of TSampleFormat; PSampleFormatArray = ^_TSampleFormatArray; -const +const {* Audio channel masks *} CH_FRONT_LEFT = $00000001; CH_FRONT_RIGHT = $00000002; @@ -470,28 +434,13 @@ const CH_LAYOUT_MONO = (CH_FRONT_CENTER); CH_LAYOUT_STEREO = (CH_FRONT_LEFT or CH_FRONT_RIGHT); CH_LAYOUT_SURROUND = (CH_LAYOUT_STEREO or CH_FRONT_CENTER); -{$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); -{$IFEND} CH_LAYOUT_7POINT1 = (CH_LAYOUT_5POINT1 or CH_BACK_LEFT or CH_BACK_RIGHT); -{$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_BACK_LEFT or CH_BACK_RIGHT or + CH_FRONT_LEFT_OF_CENTER or CH_FRONT_RIGHT_OF_CENTER); CH_LAYOUT_STEREO_DOWNMIX = (CH_STEREO_LEFT or CH_STEREO_RIGHT); @@ -533,76 +482,20 @@ 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 - ); - -{$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 + * 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 ); - 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; @@ -762,8 +655,8 @@ 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; @@ -785,311 +678,7 @@ 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; -{$IFEND} - - // int[4] - PQuadIntArray = ^TQuadIntArray; - TQuadIntArray = array[0..3] of cint; - // int (*func)(struct AVCodecContext *c2, void *arg) - TExecuteFunc = function(c2: PAVCodecContext; arg: Pointer): cint; cdecl; - - TAVClass = record - class_name: PAnsiChar; - (* actually passing a pointer to an AVCodecContext - or AVFormatContext, which begin with an AVClass. - Needed because av_log is in libavcodec and has no visibility - of AVIn/OutputFormat *) - item_name: function(): PAnsiChar; cdecl; - option: PAVOption; - end; - {** * Audio Video Frame. * New fields can be added to the end of FF_COMMON_FRAME with minor version @@ -1135,7 +724,7 @@ type * - decoding: Set by libavcodec. *) pts: cint64; - (** + (**\ * picture number in bitstream order * - encoding: set by * - decoding: Set by libavcodec. @@ -1164,7 +753,6 @@ type * is this picture used as reference * The values for this are the same as the MpegEncContext.picture_structure * variable, that is 1->top field, 2->bottom field, 3->frame/both fields. - * Set to 4 for delayed, non-reference frames. * - encoding: unused * - decoding: Set by libavcodec. (before get_buffer() call)). *) @@ -1289,7 +877,7 @@ type *) ref_index: array [0..1] of PShortint; - {$IF LIBAVCODEC_VERSION >= 51068000} // >= 51.68.0 + {$IF LIBAVCODEC_VERSION >= 51068000} // 51.68.0 (** * reordered opaque 64bit number (generally a PTS) from AVCodecContext.reordered_opaque * output in AVFrame.reordered_opaque @@ -1298,20 +886,8 @@ type *) reordered_opaque: cint64; {$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. @@ -1321,7 +897,7 @@ type bits_per_raw_sample: cint; {$IFEND} - {$IF LIBAVCODEC_VERSION >= 52002000} // >= 52.2.0 + {$IF LIBAVCODEC_VERSION >= 52002000} // 52.2.0 (** * Audio channel layout. * - encoding: set by user. @@ -1337,7 +913,7 @@ type request_channel_layout: cint64; {$IFEND} - {$IF LIBAVCODEC_VERSION >= 52004000} // >= 52.4.0 + {$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. @@ -1352,73 +928,234 @@ type *) 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; + end; - (** - * Color Transfer Characteristic. - * - encoding: Set by user - * - decoding: Set by libavcodec - *) - color_trc: TAVColorTransferCharacteristic; +const + {$IF LIBAVCODEC_VERSION < 52000000} // < 52.0.0 + DEFAULT_FRAME_RATE_BASE = 1001000; + {$IFEND} - (** - * YUV colorspace type. - * - encoding: Set by user - * - decoding: Set by libavcodec - *) - colorspace: TAVColorSpace; + FF_ASPECT_EXTENDED = 15; - (** - * MPEG vs JPEG YUV range. - * - encoding: Set by user - * - decoding: Set by libavcodec - *) - color_range: TAVColorRange; + FF_RC_STRATEGY_XVID = 1; - (** - * This defines the location of chroma samples. - * - encoding: Set by user - * - decoding: Set by libavcodec - *) - chroma_sample_location: TAVChromaLocation; - {$IFEND} + 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 + 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_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; + +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;} + +type + PAVClass = ^TAVClass; {const} + PAVCodecContext = ^TAVCodecContext; + + PAVCodec = ^TAVCodec; + + // 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; (** @@ -1536,13 +1273,6 @@ 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 @@ -1571,9 +1301,7 @@ 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 -{$IFEND} (** * Number of frames the decoded output will be delayed relative to @@ -1762,9 +1490,6 @@ type * If pic.reference is set then the frame will be read later by libavcodec. * avcodec_align_dimensions() should be used to find the required width and * height, as they normally need to be rounded up to the next multiple of 16. - * if CODEC_CAP_DR1 is not set then get_buffer() must call - * avcodec_default_get_buffer() instead of providing buffers allocated by - * some other means. * - encoding: unused * - decoding: Set by libavcodec., user can override. *) @@ -1780,8 +1505,7 @@ type release_buffer: procedure (c: PAVCodecContext; pic: PAVFrame); cdecl; (** - * Size of the frame reordering buffer in the decoder. - * For MPEG-2 it is 1 IPB or 0 low delay IP. + * If 1 the stream has a 1 frame delay during decoding. * - encoding: Set by libavcodec. * - decoding: Set by libavcodec. *) @@ -2288,9 +2012,6 @@ type * libavcodec will pass previous buffer in pic, function should return * same buffer or new buffer with old frame "painted" into it. * If pic.data[0] == NULL must behave like get_buffer(). - * if CODEC_CAP_DR1 is not set then reget_buffer() must call - * avcodec_default_reget_buffer() instead of providing buffers allocated by - * some other means. * - encoding: unused * - decoding: Set by libavcodec., user can override *) @@ -2744,15 +2465,6 @@ type *) reordered_opaque: cint64; {$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} end; (** @@ -2767,11 +2479,7 @@ type 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; - {$IF LIBAVCODEC_VERSION < 52025000} // 52.25.0 buf: {const} PByteArray; buf_size: cint): cint; cdecl; - {$ELSE} - avpkt: PAVPacket): cint; cdecl; - {$IFEND} (** * Codec capabilities. * see CODEC_CAP_* @@ -2787,8 +2495,8 @@ type pix_fmts: {const} PAVPixelFormat; ///< array of supported pixel formats, or NULL if unknown, array is terminated by -1 {$IF LIBAVCODEC_VERSION >= 51055000} // 51.55.0 (** - * Descriptive name for the codec, meant to be more human readable than name. - * You should use the NULL_IF_CONFIG_SMALL() macro to define it. + * 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. *) long_name: {const} PAnsiChar; {$IFEND} @@ -2803,105 +2511,6 @@ type {$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. * the last component is alpha @@ -2985,69 +2594,9 @@ type {$IFEND} end; -{$IF LIBAVCODEC_VERSION >= 52025000} // 52.25.0 -{ packet functions } - -(** - * @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(pkt: PAVPacket); - 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; @@ -3062,44 +2611,15 @@ 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; @@ -3107,6 +2627,7 @@ 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 ! *) @@ -3139,6 +2660,7 @@ procedure img_resample (s: PImgReSampleContext; output: PAVPicture; input: {cons *) procedure img_resample_close (s: PImgReSampleContext); cdecl; external av__codec; deprecated; + {$IFEND} (** @@ -3170,7 +2692,6 @@ 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 @@ -3191,14 +2712,11 @@ function avpicture_layout (src: {const} PAVPicture; pix_fmt: TAVPixelFormat; (** * 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 or -1 on error (e.g. too large dimensions). + * @return Image data size in bytes *) function avpicture_get_size (pix_fmt: TAVPixelFormat; width: cint; height: cint): cint; cdecl; external av__codec; @@ -3206,34 +2724,12 @@ 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; -(** - * 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; -(** - * 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; @@ -3277,7 +2773,7 @@ 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 - * pix_fmt_mask parameter. + * \p pix_fmt_mask parameter. * * @code * src_pix_fmt = PIX_FMT_YUV420P; @@ -3295,13 +2791,9 @@ 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; -{$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; {$ELSE} function avcodec_find_best_pix_fmt(pix_fmt_mask: cint; src_pix_fmt: TAVPixelFormat; - has_alpha: cint; loss_ptr: PCint): TAVPixelFormat; + has_alpha: cint; loss_ptr: PCint): cint; cdecl; external av__codec; {$IFEND} @@ -3316,13 +2808,8 @@ 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. *) -{$IF LIBAVCODEC_VERSION < 52022001} // 52.22.1 procedure avcodec_pix_fmt_string (buf: PAnsiChar; buf_size: cint; pix_fmt: cint); cdecl; external av__codec; -{$ELSE} -procedure avcodec_pix_fmt_string (buf: PAnsiChar; buf_size: cint; pix_fmt: TAVPixelFormat); - cdecl; external av__codec; -{$IFEND} {$IFEND} const @@ -3335,8 +2822,7 @@ 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; {$IF LIBAVCODEC_VERSION < 52000000} // 52.0.0 @@ -3352,11 +2838,8 @@ function img_convert (dst: PAVPicture; dst_pix_fmt: TAVPixelFormat; (* deinterlace a picture *) (* deinterlace - if not supported return -1 *) -function avpicture_deinterlace (dst: PAVPicture; - src: {const} PAVPicture; - pix_fmt: TAVPixelFormat; - width: cint; - height: cint): cint; +function avpicture_deinterlace (dst: PAVPicture; src: {const} PAVPicture; + pix_fmt: TAVPixelFormat; width: cint; height: cint): cint; cdecl; external av__codec; {* external high level API *} @@ -3369,11 +2852,6 @@ var {$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} @@ -3393,27 +2871,20 @@ function avcodec_build(): cuint; (** * Initializes libavcodec. * - * @warning This function must be called before any other libavcodec + * @warning This function \e must be called before any other libavcodec * function. *) procedure avcodec_init(); cdecl; external av__codec; (** - * Register the codec codec and initialize libavcodec. + * Register the codec \p 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; -{$IFEND} + (** * Finds a registered encoder with a matching codec ID. * @@ -3579,189 +3050,125 @@ function avcodec_open(avctx: PAVCodecContext; codec: PAVCodec): cint; {$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} PByteArray; buf_size: cint): cint; - cdecl; external av__codec; {deprecated;} + cdecl; external av__codec; {$IFEND} -{$IF LIBAVCODEC_MAX_VERSION_MAJOR < 53} {$IF LIBAVCODEC_VERSION >= 51030000} // 51.30.0 (** - * Decodes an audio frame from buf into samples. - * Wrapper function which calls avcodec_decode_audio3. - * - * @deprecated Use avcodec_decode_audio3 instead. - * @param avctx the codec context - * @param[out] samples the output buffer - * @param[in,out] frame_size_ptr the output buffer size in bytes - * @param[in] buf the input buffer - * @param[in] buf_size the input buffer size in bytes - * @return On error a negative value is returned, otherwise the number of bytes - * used or zero if no frame could be decompressed. - *) -function avcodec_decode_audio2(avctx: PAVCodecContext; samples: PSmallint; - var frame_size_ptr: cint; - buf: {const} PByteArray; buf_size: cint): cint; - cdecl; external av__codec; {deprecated;} -{$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. - * If no frame - * could be decompressed, frame_size_ptr is zero. Otherwise, it is the - * decompressed frame size in bytes. + * 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. * - * @warning You must set frame_size_ptr to the allocated size of the - * output buffer before calling 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(). * - * @warning The input buffer must be FF_INPUT_BUFFER_PADDING_SIZE larger than + * @warning The input buffer must be \c FF_INPUT_BUFFER_PADDING_SIZE larger than * the actual read bytes because some optimized bitstream readers read 32 or 64 * bits at once and could read over the end. * - * @warning The end of the input buffer avpkt->data should be set to 0 to ensure that + * @warning The end of the input buffer \p buf should be set to 0 to ensure that * no overreading happens for damaged MPEG streams. * - * @note You might have to align the input buffer avpkt->data and output buffer + * @note You might have to align the input buffer \p buf and output buffer \p * samples. The alignment requirements depend on the CPU: On some CPUs it isn't * necessary at all, on others it won't work at all if not aligned and on others - * * it will work but it will have an impact on performance. - * - * In practice, 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). + * 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. * * @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. + * feeded with buf=NULL, buf_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] 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. + * @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_audio3(avctx: PAVCodecContext; samples: PSmallint; +function avcodec_decode_audio2(avctx: PAVCodecContext; samples: PSmallint; var frame_size_ptr: cint; - avpkt: PAVPacket): cint; + buf: {const} PByteArray; buf_size: cint): 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. + * 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. * - * @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 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 FF_INPUT_BUFFER_PADDING_SIZE larger than + * @warning The input buffer must be \c FF_INPUT_BUFFER_PADDING_SIZE larger than * the actual read bytes because some optimized bitstream readers read 32 or 64 * bits at once and could read over the end. * - * @warning The end of the input buffer buf should be set to 0 to ensure that + * @warning The end of the input buffer \p buf should be set to 0 to ensure that * no overreading happens for damaged MPEG streams. * - * @note You might have to align the input buffer avpkt->data. - * The alignment requirements depend on the CPU: on some CPUs it isn't + * @note You might have to align the input buffer \p buf and output buffer \p + * samples. The alignment requirements depend on the CPU: on some CPUs it isn't * necessary at all, on others it won't work at all if not aligned and on others - * it will work but it will have an impact on performance. - * - * In practice, avpkt->data should have 4 byte alignment at minimum. + * it will work but it will have an impact on performance. In practice, the + * bitstream should have 4 byte alignment at minimum and all sample data should + * be 16 byte aligned unless the CPU doesn't need it (AltiVec and SSE do). If + * the linesize is not a multiple of 16 then there's no sense in aligning the + * start of the buffer to 16. * * @param avctx the codec context * @param[out] picture The AVFrame in which the decoded video frame will be stored. - * @param[in] 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] 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_video2(avctx: PAVCodecContext; picture: PAVFrame; +function avcodec_decode_video(avctx: PAVCodecContext; picture: PAVFrame; var got_picture_ptr: cint; - avpkt: PAVPacket): cint; + buf: {const} PByteArray; buf_size: cint): 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} 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: PByteArray; buf_size: cint): cint; cdecl; external av__codec; (** - * Encodes an audio frame from samples into buf. + * 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. * - * @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. + * @note The output buffer should be at least \c FF_MIN_BUFFER_SIZE bytes large. * * @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 avctx. - * For PCM audio the number of samples read from samples is equal to - * buf_size * input_sample_size / output_sample_size. + * 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. * @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. *) @@ -3770,9 +3177,12 @@ function avcodec_encode_audio(avctx: PAVCodecContext; buf: PByte; cdecl; external av__codec; (** - * Encodes a video frame from pict into buf. - * The input picture should be - * stored using a specific format, namely avctx.pix_fmt. + * 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. * * @param avctx the codec context * @param[out] buf the output buffer for the bitstream of encoded frame @@ -3798,7 +3208,6 @@ function avcodec_close(avctx: PAVCodecContext): cint; * functions. * * @see register_avcodec - * @see avcodec_register * @see av_register_codec_parser * @see av_register_bitstream_filter *) @@ -3817,7 +3226,7 @@ procedure avcodec_default_free_buffers(s: PAVCodecContext); (* misc useful functions *) (** - * Returns a single letter to describe the given picture type pict_type. + * Returns a single letter to describe the given picture type \p pict_type. * * @param[in] pict_type the picture type * @return A single character representing the picture type. @@ -3862,15 +3271,6 @@ 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 *) @@ -3893,94 +3293,6 @@ 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; - {$IFEND} end; TAVCodecParser = record @@ -4015,60 +3327,12 @@ procedure av_register_codec_parser(parser: PAVCodecParser); function av_parser_init(codec_id: cint): PAVCodecParserContext; cdecl; external av__codec; -{$IF LIBAVCODEC_MAX_VERSION_MAJOR < 53} function av_parser_parse(s: PAVCodecParserContext; avctx: PAVCodecContext; - poutbuf: PPointer; - poutbuf_size: PCint; - buf: {const} 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; -{$IFEND} - + poutbuf: PPointer; poutbuf_size: PCint; + buf: {const} PByteArray; buf_size: cint; + pts: cint64; dts: cint64): cint; + cdecl; external av__codec; function av_parser_change(s: PAVCodecParserContext; avctx: PAVCodecContext; poutbuf: PPointer; poutbuf_size: PCint; @@ -4131,22 +3395,6 @@ function av_bitstream_filter_next(f: PAVBitStreamFilter): PAVBitStreamFilter; procedure av_fast_realloc(ptr: pointer; size: PCuint; min_size: cuint); cdecl; external av__codec; -{$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 *) @@ -4159,7 +3407,7 @@ procedure av_fast_malloc(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; (** @@ -4185,49 +3433,22 @@ procedure av_realloc_static(ptr: pointer; size: cuint); (** * Copy image 'src' to 'dst'. *) -procedure av_picture_copy(dst: PAVPicture; - src: {const} PAVPicture; -{$IF LIBAVCODEC_VERSION < 52022001} // 52.22.1 - pix_fmt: cint; -{$ELSE} - pix_fmt: TAVPixelFormat; -{$IFEND} - width: cint; - height: cint); +procedure av_picture_copy(dst: PAVPicture; src: {const} PAVPicture; + pix_fmt: cint; width: cint; height: cint); cdecl; external av__codec; (** * Crop image top and left side. *) -function av_picture_crop(dst: PAVPicture; - src: {const} PAVPicture; -{$IF LIBAVCODEC_VERSION < 52022001} // 52.22.1 - pix_fmt: cint; -{$ELSE} - pix_fmt: TAVPixelFormat; -{$IFEND} - top_band: cint; - left_band: cint): cint; +function av_picture_crop(dst: PAVPicture; src: {const} PAVPicture; + pix_fmt: cint; 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; -{$IF LIBAVCODEC_VERSION < 52022001} // 52.22.1 - pix_fmt: cint; -{$ELSE} - pix_fmt: TAVPixelFormat; -{$IFEND} - padtop: cint; - padbottom: cint; - padleft: cint; - padright: - cint; - color: PCint): cint; +function av_picture_pad(dst: PAVPicture; src: {const} PAVPicture; height: cint; width: cint; pix_fmt: cint; + padtop: cint; padbottom: cint; padleft: cint; padright: cint; color: PCint): cint; cdecl; external av__codec; {$IFEND} @@ -4260,7 +3481,7 @@ function av_xiphlacing(s: PByte; v: cuint): cuint; {$IF LIBAVCODEC_VERSION >= 51041000} // 51.41.0 (** - * Parses str and put in width_ptr and height_ptr the detected values. + * Parses \p str and put in \p width_ptr and \p height_ptr the detected values. * * @return 0 in case of a successful parsing, a negative value otherwise * @param[in] str the string to parse: it has to be a string in the format @@ -4274,11 +3495,11 @@ function av_parse_video_frame_size(width_ptr: PCint; height_ptr: PCint; str: {co cdecl; external av__codec; (** - * Parses str and put in frame_rate the detected values. + * Parses \p str and put in \p frame_rate the detected values. * * @return 0 in case of a successful parsing, a negative value otherwise * @param[in] str the string to parse: it has to be a string in the format - * <frame_rate_num>/<frame_rate_den>, a float number or a valid video rate abbreviation + * <frame_rate_nom>/<frame_rate_den>, a float number or a valid video rate abbreviation * @param[in,out] frame_rate pointer to the AVRational which will contain the detected * frame rate *) @@ -4297,13 +3518,11 @@ const EDOM = ESysEDOM; ENOSYS = ESysENOSYS; EILSEQ = ESysEILSEQ; - EPIPE = ESysEPIPE; {$ELSE} ENOENT = 2; EIO = 5; ENOMEM = 12; EINVAL = 22; - EPIPE = 32; // just an assumption. needs to be checked. EDOM = 33; {$IFDEF MSWINDOWS} // Note: we assume that ffmpeg was compiled with MinGW. @@ -4340,76 +3559,11 @@ const AVERROR_NOMEM = AVERROR_SIGN * ENOMEM; (**< not enough memory *) AVERROR_NOFMT = AVERROR_SIGN * EILSEQ; (**< unknown format *) AVERROR_NOTSUPP = AVERROR_SIGN * ENOSYS; (**< Operation not supported. *) - AVERROR_NOENT = AVERROR_SIGN * ENOENT; (**< No such file or directory. *) -{$IF LIBAVCODEC_VERSION >= 52017000} // 52.17.0 - AVERROR_EOF = AVERROR_SIGN * EPIPE; (**< End of file. *) -{$IFEND} + AVERROR_NOENT = AVERROR_SIGN * ENOENT; {**< No such file or directory. *} // Note: function calls as constant-initializers are invalid //AVERROR_PATCHWELCOME = -MKTAG('P','A','W','E'); {**< Not yet implemented in FFmpeg. Patches welcome. *} AVERROR_PATCHWELCOME = -(ord('P') or (ord('A') shl 8) or (ord('W') shl 16) or (ord('E') shl 24)); -{$IF LIBAVCODEC_VERSION >= 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 <= 5202700)} // 52.25.0 -procedure av_free_packet(pkt: PAVPacket);{$IFDEF HASINLINE} inline; {$ENDIF} -begin - if (pkt <> nil) then - begin - if (pkt.destruct <> nil) then - pkt.destruct(pkt) - else - begin - pkt.data = NULL; - pkt.size = 0; - end; - end; -end; -{$IFEND} - end. |