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/*
* @DEC_COPYRIGHT@ *//*
* HISTORY * $Log: SC.h,v $ * Revision 1.1.8.10 1996/12/03 23:15:11 Hans_Graves * Added ScBSBufferedBytes() macros. * [1996/12/03 23:11:06 Hans_Graves] * * Revision 1.1.8.9 1996/11/13 16:10:47 Hans_Graves * Addition of ScBitstreamSave_t. * [1996/11/13 15:58:26 Hans_Graves] * * Revision 1.1.8.8 1996/11/08 21:50:36 Hans_Graves * Protos fixed for use with C++. Added bitstream protos for AC3. * [1996/11/08 21:17:23 Hans_Graves] * * Revision 1.1.8.7 1996/10/28 17:32:20 Hans_Graves * MME-01402. Added TimeStamp support to Callbacks. * [1996/10/28 16:56:21 Hans_Graves] * * Revision 1.1.8.6 1996/10/12 17:18:11 Hans_Graves * Added ScImageSize(). * [1996/10/12 16:53:38 Hans_Graves] * * Revision 1.1.8.5 1996/09/18 23:45:46 Hans_Graves * Added ScFileClose() proto; ISIZE() macro * [1996/09/18 23:37:33 Hans_Graves] * * Revision 1.1.8.4 1996/08/20 22:11:48 Bjorn_Engberg * For NT - Made several routines public to support JV3.DLL and SOFTJPEG.DLL. * [1996/08/20 21:53:23 Bjorn_Engberg] * * Revision 1.1.8.3 1996/05/24 22:21:27 Hans_Graves * Added ScPatScaleIDCT8x8i_S proto * [1996/05/24 21:56:31 Hans_Graves] * * Revision 1.1.8.2 1996/05/07 19:55:49 Hans_Graves * Added BI_DECHUFFDIB * [1996/05/07 17:24:17 Hans_Graves] * * Revision 1.1.6.9 1996/04/17 16:38:36 Hans_Graves * Change NT bitstream buffer sizes from 32 to 64-bit * [1996/04/17 16:37:04 Hans_Graves] * * Revision 1.1.6.8 1996/04/15 21:08:39 Hans_Graves * Define ScBitBuff_t and ScBitString_t as dword or qword * [1996/04/15 21:05:46 Hans_Graves] * * Revision 1.1.6.7 1996/04/10 21:47:16 Hans_Graves * Added definition for EXTERN * [1996/04/10 21:23:23 Hans_Graves] * * Revision 1.1.6.6 1996/04/09 16:04:32 Hans_Graves * Added USE_C ifdef. * [1996/04/09 14:48:04 Hans_Graves] * * Revision 1.1.6.5 1996/04/01 16:23:09 Hans_Graves * NT porting * [1996/04/01 16:15:48 Hans_Graves] * * Revision 1.1.6.4 1996/03/20 22:32:46 Hans_Graves * {** Merge Information **} * {** Command used: bsubmit **} * {** Ancestor revision: 1.1.6.2 **} * {** Merge revision: 1.1.6.3 **} * {** End **} * Added protos for IDCT1x1,1x2,2x1,2x2,3x3,4x4,6x6 * [1996/03/20 22:25:47 Hans_Graves] * * Revision 1.1.6.3 1996/03/16 19:22:51 Karen_Dintino * added NT port changes * [1996/03/16 19:20:07 Karen_Dintino] * * Revision 1.1.6.2 1996/03/08 18:46:27 Hans_Graves * Added proto for ScScaleIDCT8x8m_S() * [1996/03/08 18:41:45 Hans_Graves] * * Revision 1.1.4.14 1996/02/07 23:23:50 Hans_Graves * Added prototype for ScFileSeek() * [1996/02/07 23:18:32 Hans_Graves] * * Revision 1.1.4.13 1996/02/01 17:15:50 Hans_Graves * Added ScBSSkipBitsFast() and ScBSPeekBitsFast() macros * [1996/02/01 17:14:17 Hans_Graves] * * Revision 1.1.4.12 1996/01/24 19:33:18 Hans_Graves * Added prototype for ScScaleIDCT8x8i_S * [1996/01/24 18:13:51 Hans_Graves] * * Revision 1.1.4.11 1996/01/08 20:15:13 Bjorn_Engberg * Added one more cast to avoid warnings. * [1996/01/08 20:14:55 Bjorn_Engberg] * * Revision 1.1.4.10 1996/01/08 16:41:21 Hans_Graves * Added protos for more IDCT routines. * [1996/01/08 15:44:17 Hans_Graves] * * Revision 1.1.4.9 1996/01/02 18:31:13 Bjorn_Engberg * Added casts to avoid warning messages when compiling. * [1996/01/02 15:02:16 Bjorn_Engberg] * * Revision 1.1.4.8 1995/12/07 19:31:18 Hans_Graves * Added protos for ScFDCT8x8s_C() and ScIDCT8x8s_C(), Added ScBSAlignPutBits() macro. * [1995/12/07 17:58:36 Hans_Graves] * * Revision 1.1.4.7 1995/11/16 12:33:34 Bjorn_Engberg * Add BI_BITFIELDS to IsRGBPacked macro * [1995/11/16 12:33:17 Bjorn_Engberg] * * Revision 1.1.4.6 1995/10/13 21:01:42 Hans_Graves * Added macros for format classes. * [1995/10/13 20:59:15 Hans_Graves] * * Revision 1.1.4.5 1995/09/22 19:41:00 Hans_Graves * Moved ValidBI_BITFIELDSKinds to SC_convert.h * [1995/09/22 19:40:42 Hans_Graves] * * Revision 1.1.4.4 1995/09/20 18:27:59 Hans_Graves * Added Bjorn's NT defs * [1995/09/15 13:21:00 Hans_Graves] * * Revision 1.1.4.3 1995/09/14 12:35:22 Hans_Graves * Added ScCopyClipToPacked422() prototypes. * [1995/09/14 12:34:58 Hans_Graves] * * Revision 1.1.4.2 1995/09/13 14:51:45 Hans_Graves * Added ScScaleIDCT8x8(). Added buffer Type to queues. * [1995/09/13 14:29:10 Hans_Graves] * * Revision 1.1.2.18 1995/09/11 19:17:23 Hans_Graves * Moved ValidateBI_BITFIELDS() prototype to SC_convert.h - Removed mmsystem.h include. * [1995/09/11 19:14:27 Hans_Graves] * * Revision 1.1.2.17 1995/09/11 18:51:25 Farokh_Morshed * Support BI_BITFIELDS format * [1995/09/11 18:50:48 Farokh_Morshed] * * Revision 1.1.2.16 1995/08/31 14:15:43 Farokh_Morshed * transfer BI_BITFIELDS stuff to SV.h * [1995/08/31 14:15:20 Farokh_Morshed] * * Revision 1.1.2.15 1995/08/31 13:51:53 Farokh_Morshed * {** Merge Information **} * {** Command used: bsubmit **} * {** Ancestor revision: 1.1.2.13 **} * {** Merge revision: 1.1.2.14 **} * {** End **} * Add BI_BITFIELDS support * [1995/08/31 13:50:46 Farokh_Morshed] * * Revision 1.1.2.14 1995/08/29 22:17:05 Hans_Graves * Fixed-up Bitstream prototypes. Added BI_ image formats and defined BI_DECSEPYUV411DIB == BI_YU12SEP * [1995/08/29 22:15:27 Hans_Graves] * * Revision 1.1.2.13 1995/08/14 19:40:26 Hans_Graves * Added Flush, ScCopySubClip_S() and ScCopyRev_S() prototypes. * [1995/08/14 18:43:11 Hans_Graves] * * Revision 1.1.2.12 1995/07/21 17:41:01 Hans_Graves * Mirrored Callbacks with MME structure/naming. * [1995/07/21 17:30:04 Hans_Graves] * * Revision 1.1.2.11 1995/07/17 22:01:31 Hans_Graves * Added BufSize and BufType to ScCallback_t. * [1995/07/17 21:42:45 Hans_Graves] * * Revision 1.1.2.10 1995/07/12 19:48:23 Hans_Graves * Added H261_FILE type. * [1995/07/12 19:33:18 Hans_Graves] * * Revision 1.1.2.9 1995/07/11 15:24:30 Hans_Graves * Fixed ScCopySubClip and ScCopyRev macros. * [1995/07/11 15:24:09 Hans_Graves] * * Revision 1.1.2.8 1995/07/11 14:50:44 Hans_Graves * Added prototypes for sc_mc2.s and sc_copy2.s * [1995/07/11 14:23:18 Hans_Graves] * * Revision 1.1.2.7 1995/06/27 13:54:21 Hans_Graves * Added STREAM_USE_NET and prototype for ScBSCreateFromNet() * [1995/06/26 21:00:17 Hans_Graves] * * Revision 1.1.2.6 1995/06/22 21:35:03 Hans_Graves * Moved filetypes from SV.h to here * [1995/06/22 21:29:11 Hans_Graves] * * Revision 1.1.2.5 1995/06/21 18:37:58 Hans_Graves * Added prototype for ScBSPutBytes() * [1995/06/21 18:36:43 Hans_Graves] * * Revision 1.1.2.4 1995/06/15 21:17:59 Hans_Graves * Added prototypes for sc_copy.c * [1995/06/15 20:41:40 Hans_Graves] * * Revision 1.1.2.3 1995/06/01 19:35:36 Hans_Graves * Added prototype for ScCopyClip() * [1995/06/01 19:31:28 Hans_Graves] * * Revision 1.1.2.2 1995/05/31 18:09:20 Hans_Graves * Inclusion in new SLIB location. * [1995/05/31 15:17:35 Hans_Graves] * * Revision 1.1.2.2 1995/05/03 19:26:38 Hans_Graves * Included in SLIB (Oct 95) * [1995/05/03 19:26:26 Hans_Graves] * * Revision 1.1.2.3 1995/04/17 18:04:26 Hans_Graves * Added math prototypes and defs. Expanding Bitstream defs. * [1995/04/17 18:02:16 Hans_Graves] * * Revision 1.1.2.2 1995/04/07 19:18:43 Hans_Graves * Inclusion in SLIB * [1995/04/07 19:04:13 Hans_Graves] * * $EndLog$ *//*****************************************************************************
** Copyright (c) Digital Equipment Corporation, 1995 **** **** All Rights Reserved. Unpublished rights reserved under the copyright **** laws of the United States. **** **** The software contained on this media is proprietary to and embodies **** the confidential technology of Digital Equipment Corporation. **** Possession, use, duplication or dissemination of the software and **** media is authorized only pursuant to a valid written license from **** Digital Equipment Corporation. **** **** RESTRICTED RIGHTS LEGEND Use, duplication, or disclosure by the U.S. **** Government is subject to restrictions as set forth in Subparagraph **** (c)(1)(ii) of DFARS 252.227-7013, or in FAR 52.227-19, as applicable. ********************************************************************************/
#ifndef _SC_H_
#define _SC_H_
#define SLIB_VERSION 0x300
/************************* Debug Handling ***********************/#ifdef _VERBOSE_
#define sc_vprintf printf
#else
#define sc_vprintf
#endif
#ifdef _DEBUG_
#define sc_dprintf printf
#else
#define sc_dprintf
#endif
#ifdef _TEST_
#define sc_tprintf(test, msg) if (test) printf(msg)
#else
#define sc_tprintf
#endif
#ifdef _SLIBDEBUG_
#define _SlibDebug(test, statements) { if (test) { statements; } }
#else
#define _SlibDebug(test, statements)
#endif
#ifndef EXTERN
#ifdef __cplusplus
#if !defined(WIN32) || defined(STATIC_BUILD)
#define EXTERN extern "C"
#else
#define EXTERN __declspec( dllexport ) extern "C"
#endif
#else
#if !defined(WIN32) || defined(STATIC_BUILD)
#define EXTERN extern
#else
#define EXTERN __declspec( dllexport ) extern
#endif
#endif /* __cplusplus */
#endif /* EXTERN */
#ifndef PRIVATE_EXTERN
#ifdef __cplusplus
#define PRIVATE_EXTERN extern "C"
#else /* __cplusplus */
#define PRIVATE_EXTERN extern
#endif /* __cplusplus */
#endif /* PRIVATE_EXTERN */
#ifdef WIN32
/*
* These b* routines are mem* routines on NT. */#define bcopy(_src_,_dst_,_len_) memcpy(_dst_,_src_,_len_)
#define bzero(_dst_,_len_) memset(_dst_,0,_len_)
#define bcmp(_src_,_dst_,_len_) memcmp(_src_,_dst_,_len_)
/*
* These cma routines are doing nothing for NT. * Avoid lots of ifdefs on the code by defining * null macros for them. */#define cma_mutex_lock(foo)
#define cma_mutex_unlock(foo)
#endif /* WIN32 */
/************************* Elementary Types ***********************/#ifndef UNALIGNED
#if defined(WIN95) || defined(INTEL)
#define UNALIGNED
#else
#define UNALIGNED __unaligned
#endif
#endif
#ifndef u_char
#if defined( __VMS ) || defined( WIN32 )
typedef unsigned char u_char; /* 8 bits */typedef unsigned short u_short; /* 16 bits */typedef unsigned int u_int; /* 32 bits */typedef unsigned long u_long; /* 32 bits */#else
typedef unsigned char u_char; /* 8 bits */typedef unsigned short u_short; /* 16 bits */typedef unsigned int u_int; /* 32 bits */typedef unsigned long u_long; /* 64 bits */#endif
#endif /* u_char */
#ifndef WIN32
#ifndef byte /* 8 bit */
#define byte char
#endif
#endif /* !WIN32 */
#ifndef word /* 16 bit */
#define word short
#endif /* word */
#ifndef dword /* 32 bit */
#define dword int
#endif /* dword */
#ifndef qword /* 64 bit */
#if defined(__VMS) || defined(WIN32)
#define qword _int64
#else
#define qword long
#endif
#endif /* qword */
#define MIN_WORD ((-32767)-1)
#define MAX_WORD ( 32767)
#define MIN_DWORD ((-2147483647)-1)
#define MAX_DWORD ( 2147483647)
/************************** Definitions ****************************/#define RETURN_ON_ERROR(A) {if (A) return (A);}
#ifndef NULL
#define NULL 0L
#endif
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#ifndef WIN32
#ifndef FAR
#define FAR
#endif
#endif
#ifndef PI
#define PI 3.14159265358979
#define PI4 PI/4
#define PI64 PI/64
#endif
/*
** public parameter settings*//* Algorithm Flags - video */#define PARAM_ALGFLAG_HALFPEL 0x0001 /* Half pixel accuracy */
#define PARAM_ALGFLAG_SKIPPEL 0x0002 /* Skip-pixel error calculation */
#define PARAM_ALGFLAG_PB 0x0004 /* PB frame encoding */
#define PARAM_ALGFLAG_SAC 0x0008 /* Syntax Arithmetic Coding */
#define PARAM_ALGFLAG_UMV 0x0010 /* Unrestricted Motion Vectors */
#define PARAM_ALGFLAG_ADVANCED 0x0020 /* Advanced Prediction Mode */
/* Algorithm Flags - audio */#define PARAM_ALGFLAG_VAD 0x1000 /* Voice Activity Detection (G.723) */
/* Format Extensions */#define PARAM_FORMATEXT_RTPA 0x0001 /* RTP Mode A */
#define PARAM_FORMATEXT_RTPB 0x0002 /* RTP Mode B */
#define PARAM_FORMATEXT_RTPC 0x0004 /* RTP Mode C */
/* Frame types */#define FRAME_TYPE_NONE 0x0000
#define FRAME_TYPE_I 0x0001 /* Key frame */
#define FRAME_TYPE_P 0x0002 /* Partial frame */
#define FRAME_TYPE_B 0x0004 /* Bi-directional frame */
#define FRAME_TYPE_D 0x0008 /* Preview frame */
/************************** Formats (FOURCC's) ***************************//*
** Image formats*/#define BI_MSH261DIB mmioFOURCC('M','2','6','1')
#define BI_MSH263DIB mmioFOURCC('M','2','6','3')
#define BI_DECH261DIB mmioFOURCC('D','2','6','1')
#define BI_DECH263DIB mmioFOURCC('D','2','6','3')
#define BI_DECJPEGDIB mmioFOURCC('J','P','E','G')
#define BI_DECMJPGDIB mmioFOURCC('M','J','P','G')
#define BI_DECYUVDIB mmioFOURCC('D','Y','U','V')
#define BI_DECXIMAGEDIB mmioFOURCC('D','X','I','M')
#define BI_DECSEPYUVDIB mmioFOURCC('D','S','Y','U')
#define BI_DECMPEGDIB mmioFOURCC('D','M','P','G')
#define BI_DECHUFFDIB mmioFOURCC('D','H','U','F')
#define BI_DECSEPRGBDIB mmioFOURCC('D','S','R','G')
#define BI_DECGRAYDIB mmioFOURCC('D','G','R','Y')
#define BI_YVU9SEP mmioFOURCC('Y','V','U','9')
#define BI_YU12SEP mmioFOURCC('Y','U','1','2')
#define BI_YU16SEP mmioFOURCC('Y','U','1','6')
#define BI_DECSEPYUV411DIB mmioFOURCC('Y','U','1','2')
#define BI_S422 mmioFOURCC('S','4','2','2')
#define BI_YUY2 mmioFOURCC('Y','U','Y','2')
/*
* FYI - Other image formats that are defined elsewhere: */#if 0
#define BI_RGB 0
#define BI_BITFIELDS 3
#define BICOMP_JFIF mmioFOURCC('J','F','I','F')
#endif
/*
* Macros to identify classes of image formats. */#define IsJPEG(s) (((s) == JPEG_DIB) || \
((s) == MJPG_DIB))#define IsYUV422Packed(s) (((s) == BI_DECYUVDIB) || \
((s) == BI_S422) || \ ((s) == BI_YUY2))#define IsYUV422Sep(s) (((s) == BI_DECSEPYUVDIB) || \
((s) == BI_YU16SEP))#define IsYUV411Sep(s) (((s) == BI_DECSEPYUV411DIB) || \
((s) == BI_YU12SEP))#define IsYUV1611Sep(s) (((s) == BI_YVU9SEP))
#define IsYUVSep(s) ((IsYUV422Sep(s)) || \
(IsYUV411Sep(s)) || \ (IsYUV1611Sep(s)))#define IsYUV(s) ((IsYUV422Packed(s)) || \
(IsYUVSep(s)))
#define IsRGBPacked(s) (((s) == BI_RGB) || \
((s) == BI_DECXIMAGEDIB) || \ ((s) == BI_BITFIELDS))#define IsRGBSep(s) (((s) == BI_DECSEPRGBDIB))
#define IsRGB(s) ((IsRGBPacked(s)) || \
(IsRGBSep(s)))
#define IsGray(s) (((s) == BI_DECGRAYDIB))
#define ISIZE(w,h,c) \
(IsYUV411Sep(c)) ? ((w) * (h) * 3 / 2) : \ ((IsYUV1611Sep(c)) ? \ ((w) * (h) * 9 / 8) : \ ((IsYUV422Sep(c) || IsYUV422Packed(c)) ? \ ((w) * (h) * 2) : ((w) * (h) * 3)));
/*
** File Types (returned from ScGetFileType)*/#define UNKNOWN_FILE 0
#define AVI_FILE 201
#define MPEG_VIDEO_FILE 202
#define MPEG_AUDIO_FILE 203
#define MPEG_SYSTEM_FILE 204
#define JFIF_FILE 205
#define QUICKTIME_JPEG_FILE 206
#define GSM_FILE 207
#define WAVE_FILE 208
#define PCM_FILE 209
#define H261_FILE 210
#define AC3_FILE 211
/*
** Callback messages*/#define CB_RELEASE_BUFFER 1 /* buffer finished */
#define CB_END_BUFFERS 2 /* no more buffers */
#define CB_RESET_BUFFERS 3 /* reset to beginning */
#define CB_SEQ_HEADER 4 /* sequence header */
#define CB_SEQ_END 5 /* sequence end */
#define CB_FRAME_FOUND 6 /* frame found */
#define CB_FRAME_READY 7 /* frame completed */
#define CB_FRAME_START 8 /* frame starting to be processed */
#define CB_PROCESSING 9 /* processing data */
#define CB_CODEC_DONE 10 /* codec done ended */
/*
** Data types for callback message*/#define CB_DATA_NONE 0x0000 /* no data */
#define CB_DATA_COMPRESSED 0x0001 /* data is compressed */
#define CB_DATA_IMAGE 0x0002 /* data is decompressed image */
#define CB_DATA_AUDIO 0x0004 /* data is decompressed audio */
/*
** Frame flags for callback message*/#define CB_FLAG_TYPE_KEY 0x0001 /* key frame */
#define CB_FLAG_TYPE_MPEGB 0x0002 /* MPEG B-Frame */
#define CB_FLAG_FRAME_DROPPED 0x0008 /* frame dropped */
#define CB_FLAG_FRAME_BAD 0x0010 /* could not de/compress */
/*
** Action values in response to callback message*/#define CB_ACTION_WAIT 0x0000 /* wait - callback still busy */
#define CB_ACTION_CONTINUE 0x0001 /* accept a frame */
#define CB_ACTION_DROP 0x0002 /* drop a frame */
#define CB_ACTION_DUPLICATE 0x0004 /* duplicate a frame */
#define CB_ACTION_END 0x0080 /* end de/compression */
/* These are old definitions
#define CLIENT_CONTINUE CB_ACTION_CONTINUE
#define CLIENT_ABORT CB_ACTION_END
#define CLIENT_PROCESS CB_ACTION_CONTINUE
#define CLIENT_DROP CB_ACTION_DROP
#define CB_IMAGE_BUFFER_READY CB_FRAME_READY
#define CB_PICTURE_FOUND CB_FRAME_FOUND
#define CB_PICTURE_PROCEESSED CB_FRAME_READY
#define CB_FRAME CB_FRAME_FOUND
*/
/*
* Stream sources/destinations */#define STREAM_USE_SAME -1
#define STREAM_USE_NULL 0
#define STREAM_USE_QUEUE 1
#define STREAM_USE_FILE 2
#define STREAM_USE_BUFFER 3
#define STREAM_USE_DEVICE 4
#define STREAM_USE_STDOUT 5
#define STREAM_USE_NET 6
#define STREAM_USE_NET_TCP 6 /* reliable transport */
#define STREAM_USE_NET_UDP 7 /* unreliable transport */
/************************** Type Definitions *******************************/typedef int ScStatus_t;typedef void *ScHandle_t;typedef unsigned char ScBoolean_t;#if !defined( _VMS ) && !defined( WIN32 )
typedef long _int64;#endif
/*
** Bitstream stuff*/#if defined( _VMS ) || defined( WIN95 )
#define SC_BITBUFFSZ 32
typedef unsigned dword ScBitBuff_t;typedef unsigned dword ScBitString_t;#else
#define SC_BITBUFFSZ 64
typedef unsigned qword ScBitBuff_t;typedef unsigned qword ScBitString_t;#endif
#define SC_BITBUFFMASK (ScBitBuff_t)-1
#define ALIGNING 8
#define ScBSPreLoad(bs, bits) if ((int)bs->shift<(bits)) sc_BSLoadDataWord(bs);
#define ScBSPreLoadW(bs, bits) if ((int)bs->shift<(bits)) sc_BSLoadDataWordW(bs);
#define ScBSByteAlign(bs) { \
int len=bs->shift%8; \ if (len) { \ bs->OutBuff=(bs->OutBuff<<len)|(bs->InBuff>>(SC_BITBUFFSZ-len)); \ bs->InBuff<<=len; bs->CurrentBit+=len; bs->shift-=len; } \ }#define ScBSAlignPutBits(bs) if (bs->shift%8) \
ScBSPutBits(bs, 0, 8-(bs->shift%8));#define ScBSBitPosition(bs) (bs->CurrentBit)
#define ScBSBytePosition(bs) (bs->CurrentBit>>3)
#define ScBSBufferedBytes(bs) (bs->bufftop)
#define ScBSBufferedBytesUsed(bs) (bs->buffp)
#define ScBSBufferedBytesUnused(bs) (bs->bufftop-bs->buffp)
#define ScBSSkipBit(bs) ScBSSkipBits(bs, 1)
#define ScBSSkipBitsFast(bs, len) { if ((u_int)(len)<=bs->shift) { \
if ((len)==SC_BITBUFFSZ) \ { bs->OutBuff=bs->InBuff; bs->InBuff=0; } \ else { \ bs->OutBuff=(bs->OutBuff<<(len))|(bs->InBuff>>(SC_BITBUFFSZ-(len))); \ bs->InBuff<<=(len); } \ bs->CurrentBit+=len; bs->shift-=len; \ } else ScBSSkipBits(bs, len); }#define ScBSSkipBitFast(bs) ScBSSkipBitsFast(bs, 1)
#define ScBSPeekBitsFast(bs, len) (!(len) ? 0 \
: (((len)<=bs->shift || !sc_BSLoadDataWord(bs)) && (len)==SC_BITBUFFSZ \ ? bs->OutBuff : (bs->OutBuff >> (SC_BITBUFFSZ-len))) )#define ScBSPeekBitsFull(bs, result) \
{ ScBSPreLoad(bs, SC_BITBUFFSZ); result = bs->OutBuff; }
/*
** Sort stuff*/typedef struct ScSortDouble_s { int index; /* index to actual data */ double num; /* the number to sort by */} ScSortDouble_t;
typedef struct ScSortFloat_s { int index; /* index to actual data */ double num; /* the number to sort by */} ScSortFloat_t;
/*
** ScBuf_s structure used in Buffer/Image Queue management.** Contains info for one buffer.*/struct ScBuf_s { u_char *Data; /* Pointer to buffer's data */ int Size; /* Length of buffer in bytes */ int Type; /* Type of buffer */ struct ScBuf_s *Prev; /* Pointer to previous buffer in queue */};
/*
** Buffer queue structure. One for each queue.*/typedef struct ScQueue_s { int NumBufs; /* Number of buffers currently in queue */ struct ScBuf_s *head, *tail; /* pointers to head & tail of queue */} ScQueue_t;
/*
** ScCallbackInfo_t passes info back & forth during callback*/typedef struct ScCallbackInfo_s { int Message; /* Callback reason: CB_FRAME_READY, etc. */ int DataType; /* Buffer data type */ u_char *Data; /* Pointer to data buffer. */ dword DataSize; /* Length of data buffer */ dword DataUsed; /* Actual bytes used in buffer */ void *UserData; /* User defined data */ qword TimeStamp; /* Timestamp of decompressed img/audio */ /* relative to start of sequence */ dword Flags; /* decomp/compression details */ int Action; /* drop frame or continue */ dword Value; /* a value for special flags/actions */ void *Format; /* BITMAPINFOHEADER or WAVEFORMATEX */} ScCallbackInfo_t;
typedef qword ScBSPosition_t;/*
** State info for the input bitstream*/typedef struct ScBitstream_s { dword DataSource; /* STREAM_USE_BUFFER, _USE_QUEUE,_USE_FILE, */ /* or _USE_DEVICE */ char Mode; /* 'r'=read, 'w'=write, 'b'=both */ ScQueue_t *Q; /* Buffer Queue (STREAM_USE_QUEUE) */ int (*Callback)(ScHandle_t, /* Callback to supply Bufs (STREAM_USE_QUEUE) */ ScCallbackInfo_t *, void *); int (*FilterCallback)(struct /* Callback to filter data from bitstream */ ScBitstream_s *); unsigned qword FilterBit; /* Bit to call filter callback at */ unsigned char InFilterCallback; /* TRUE when FilterCallback is busy */ ScHandle_t Sch; /* Handle passed to Callback */ dword DataType; /* Data type passed to Callback */ void *UserData; /* User Data passed to Callback */ int FileFd; /* File descriptor (STREAM_USE_FILE/NET) */ unsigned char *RdBuf; /* Buf to use if (_USE_BUFFER,_USE_FILE) */ unsigned dword RdBufSize; /* Size of RdBuf */ char RdBufAllocated;/* = TRUE if RdBuf was internally allocated */ dword Device; /* Device to use (STREAM_USE_DEVICE) */ ScBitBuff_t InBuff, OutBuff; /* 64-bit or 32-bit data buffers */ unsigned int shift; /* Shift value for current bit position */ ScBSPosition_t CurrentBit; /* Current bit position in bitstream */ unsigned char *buff; /* pointer to bitstream data buffer */ unsigned dword buffstart; /* byte offset of start of buff */ unsigned dword buffp; /* byte offset in buffer */ unsigned dword bufftop; /* number of bytes in buffer */ ScBoolean_t EOI; /* = TRUE when no more data in data source */ ScBoolean_t Flush; /* = TRUE to signal a flush at next 32/64 bit */} ScBitstream_t;
/*
** Bitstream context block to save current position of input stream*/typedef struct ScBitstreamSave_s { ScBitBuff_t InBuff, OutBuff; /* 64-bit or 32-bit data buffers */ unsigned dword shift; /* Shift value for current bit position */ ScBSPosition_t CurrentBit; /* Current bit position in bitstream */ unsigned char *buff; /* pointer to bitstream data buffer */ unsigned dword buffp; /* byte offset in buffer */ ScBoolean_t EOI; /* = TRUE when no more data in data source */ ScBoolean_t Flush; /* = TRUE to signal a flush at next 32/64 bit */} ScBitstreamSave_t;
/************************** Prototypes *****************************//*
* sc_file.c */PRIVATE_EXTERN ScBoolean_t ScFileExists(char *filename);PRIVATE_EXTERN int ScFileOpenForReading(char *filename);PRIVATE_EXTERN int ScFileOpenForWriting(char *filename, ScBoolean_t truncate);PRIVATE_EXTERN ScStatus_t ScFileSize(char *filename, unsigned qword *size);PRIVATE_EXTERN dword ScFileRead(int fd, void *buffer, unsigned dword bytes);PRIVATE_EXTERN dword ScFileWrite(int fd, void *buffer, unsigned dword bytes);PRIVATE_EXTERN ScStatus_t ScFileSeek(int fd, qword bytepos);PRIVATE_EXTERN void ScFileClose(int fd);PRIVATE_EXTERN ScStatus_t ScFileMap(char *filename, int *fd, u_char **buffer, unsigned qword *size);PRIVATE_EXTERN ScStatus_t ScFileUnMap(int fd, u_char *buffer, unsigned int size);PRIVATE_EXTERN int ScGetFileType(char *filename);
/*
* sc_mem.c */PRIVATE_EXTERN void *ScAlloc(unsigned long bytes);PRIVATE_EXTERN void *ScAlloc2(unsigned long bytes, char *name);PRIVATE_EXTERN void *ScCalloc(unsigned long bytes);PRIVATE_EXTERN void ScFree(void *);PRIVATE_EXTERN int ScMemCheck(char *array,int test,int num);EXTERN char *ScPaMalloc(int);EXTERN void ScPaFree(void *);EXTERN int getpagesize();
/*
* sc_util.c */extern int sc_Dummy();PRIVATE_EXTERN unsigned int ScImageSize(unsigned int fourcc, int w, int h, int bits);extern void ScReadCommandSwitches(char *argv[],int argc, void (*error_routine)(),char *,...);extern void ScShowBuffer(unsigned char *, int);extern void ScShowBufferFloat(float *, int);extern void ScShowBufferInt(int *, int);extern int ScDumpChar(unsigned char *ptr, int nbytes, int startpos);
/*
* sc_errors.c */PRIVATE_EXTERN ScStatus_t ScGetErrorText (int errno, char *ReturnMsg, u_int MaxChars);PRIVATE_EXTERN char *ScGetErrorStr(int errno);extern char _serr_msg[80];
/*
* sc_buf.c */PRIVATE_EXTERN ScStatus_t ScBSSetFilter(ScBitstream_t *BS, int (*Callback)(ScBitstream_t *BS));PRIVATE_EXTERN ScStatus_t ScBSCreate(ScBitstream_t **BS);PRIVATE_EXTERN ScStatus_t ScBSCreateFromBuffer(ScBitstream_t **BS, u_char *Buffer, unsigned int BufSize);PRIVATE_EXTERN ScStatus_t ScBSCreateFromBufferQueue(ScBitstream_t **BS, ScHandle_t Sch, int DataType, ScQueue_t *Q, int (*Callback)(ScHandle_t,ScCallbackInfo_t *,void *), void *UserData);PRIVATE_EXTERN ScStatus_t ScBSCreateFromFile(ScBitstream_t **BS,int FileFd, u_char *Buffer, int BufSize);PRIVATE_EXTERN ScStatus_t ScBSCreateFromNet(ScBitstream_t **BS, int SocketFd, u_char *Buffer, int BufSize);PRIVATE_EXTERN ScStatus_t ScBSCreateFromDevice(ScBitstream_t **BS, int device);PRIVATE_EXTERN ScStatus_t ScBSDestroy(ScBitstream_t *BS);PRIVATE_EXTERN ScStatus_t ScBSFlush(ScBitstream_t *BS);PRIVATE_EXTERN ScStatus_t ScBSFlushSoon(ScBitstream_t *BS);PRIVATE_EXTERN ScStatus_t ScBSReset(ScBitstream_t *BS);PRIVATE_EXTERN ScStatus_t ScBSResetCounters(ScBitstream_t *BS);
PRIVATE_EXTERN ScStatus_t ScBSSkipBits(ScBitstream_t *BS, u_int length);PRIVATE_EXTERN ScStatus_t ScBSSkipBitsW(ScBitstream_t *BS, u_int length);PRIVATE_EXTERN ScStatus_t ScBSSkipBytes(ScBitstream_t *BS, u_int length);PRIVATE_EXTERN int ScBSPeekBit(ScBitstream_t *BS);PRIVATE_EXTERN ScBitString_t ScBSPeekBits(ScBitstream_t *BS, u_int length);PRIVATE_EXTERN ScBitString_t ScBSPeekBytes(ScBitstream_t *BS, u_int length);
PRIVATE_EXTERN int ScBSGetBytes(ScBitstream_t *BS, u_char *buffer, u_int length, u_int *ret_length);PRIVATE_EXTERN int ScBSGetBytesStopBefore(ScBitstream_t *BS, u_char *buffer, u_int length, u_int *ret_length, ScBitString_t seek_word, int word_len);PRIVATE_EXTERN ScBitString_t ScBSGetBits(ScBitstream_t *BS, u_int length);PRIVATE_EXTERN ScBitString_t ScBSGetBitsW(ScBitstream_t *BS, u_int length);PRIVATE_EXTERN int ScBSGetBitsVarLen(ScBitstream_t *BS, const int *table, int len);PRIVATE_EXTERN ScStatus_t ScBSPutBytes(ScBitstream_t *BS, u_char *buffer, u_int length);PRIVATE_EXTERN ScStatus_t ScBSPutBits(ScBitstream_t *BS, ScBitString_t bits, u_int length);PRIVATE_EXTERN ScStatus_t ScBSPutBit(ScBitstream_t *BS, char bit);PRIVATE_EXTERN int ScBSGetBit(ScBitstream_t *BS);
PRIVATE_EXTERN ScStatus_t ScBSSeekToPosition(ScBitstream_t *BS, unsigned long pos);PRIVATE_EXTERN int ScBSSeekStopBefore(ScBitstream_t *BS, ScBitString_t seek_word, int word_len);PRIVATE_EXTERN int ScBSSeekAlign(ScBitstream_t *BS, ScBitString_t seek_word,int word_len);PRIVATE_EXTERN int ScBSSeekAlignStopBefore(ScBitstream_t *BS,ScBitString_t seek_word,int word_len);PRIVATE_EXTERN int ScBSSeekAlignStopBeforeW(ScBitstream_t *BS,ScBitString_t seek_word,int word_len);PRIVATE_EXTERN int ScBSSeekAlignStopAt(ScBitstream_t *BS, ScBitString_t seek_word, int word_len, unsigned long end_byte_pos);extern ScStatus_t sc_BSLoadDataWord(ScBitstream_t *BS);extern ScStatus_t sc_BSStoreDataWord(ScBitstream_t *BS, ScBitBuff_t Buff);
PRIVATE_EXTERN ScStatus_t ScBufQueueCreate(ScQueue_t **Q);PRIVATE_EXTERN ScStatus_t ScBufQueueDestroy(ScQueue_t *Q);PRIVATE_EXTERN ScStatus_t ScBufQueueAdd(ScQueue_t *Q, u_char *Data, int Size);PRIVATE_EXTERN ScStatus_t ScBufQueueAddExt(ScQueue_t *Q, u_char *Data, int Size, int Type);PRIVATE_EXTERN ScStatus_t ScBufQueueRemove(ScQueue_t *Q);PRIVATE_EXTERN int ScBufQueueGetNum(ScQueue_t *Q);PRIVATE_EXTERN ScStatus_t ScBufQueueGetHead(ScQueue_t *Q, u_char **Data, int *Size);PRIVATE_EXTERN ScStatus_t ScBufQueueGetHeadExt(ScQueue_t *Q, u_char **Data, int *Size, int *Type);
/*
** sc_math.c*//* #define ScAbs(val) (val > 0.0) ? val : -val */extern float ScAbs(float val);extern double ScSqr(double x);extern double ScDistance(double x1, double y1, double z1, double x2, double y2, double z2);extern void ScDigrv4(float *real, float *imag, int n);extern float ScArcTan(float Q,float I);
/*
** sc_dct.c*/extern void ScFDCT(float in_block[32], float out_block1[32], float out_block2[32]);extern void ScIFDCT(float in_block[32], float out_block[32]);extern void ScFDCT8x8_C(float *ipbuf, float *outbuf);extern void ScFDCT8x8s_C(short *inbuf, short *outbuf);
/*
** sc_dct2.c*/extern void ScFDCT8x8_S(float *ipbuf, float *outbuf);
/*
** sc_idct.c*/extern void ScIDCT8x8(int *outbuf);extern void ScScaleIDCT8x8_C(float *ipbuf, int *outbuf);extern void ScIDCT8x8s_C(short *inbuf, short *outbuf);
/*
** sc_idct_scaled.c*/extern void ScScaleIDCT8x8i_C(int *inbuf, int *outbuf);extern void ScScaleIDCT8x8i128_C(int *inbuf, int *outbuf);extern void ScScaleIDCT1x1i_C(int *inbuf, int *outbuf);extern void ScScaleIDCT1x2i_C(int *inbuf, int *outbuf);extern void ScScaleIDCT2x1i_C(int *inbuf, int *outbuf);extern void ScScaleIDCT2x2i_C(int *inbuf, int *outbuf);extern void ScScaleIDCT3x3i_C(int *inbuf, int *outbuf);extern void ScScaleIDCT4x4i_C(int *inbuf, int *outbuf);extern void ScScaleIDCT6x6i_C(int *inbuf, int *outbuf);
/*
** sc_idct2.s*/extern void ScIDCT8x8s_S(short *inbuf, short *outbuf);extern void ScScaleIDCT8x8i_S(int *inbuf, int *outbuf);
/*
** sc_idct3.s*/extern void ScScaleIDCT8x8m_S(int *inbuf);
/*
** sc_idctp2.s*/extern void ScPatScaleIDCT8x8i_S(int *inbuf, int *outbuf);
/*
** sc_fft.c*/extern void ScFFTtrl(float *real,float *imag,int n,int max_fft,float *c1, float *s1,float *c2,float *s2,float *c3,float *s3);extern void ScFFTtl(float *real, float *imag, int n, int max_fft, float *c1, float *s1, float *c2, float *s2, float *c3, float *s3);extern void ScFFTt4l(float *real, float *imag, int n, int *angle_increment, int max_fft, float *c1, float *s1, float *c2, float *s2, float *c3, float *s3);
/*
** sc_sort.c*/extern void ScSortDoubles(ScSortDouble_t *a, int n);
/*
** sc_copy.c*/extern void ScCopyClip_C(int *buf, unsigned int *pos, int inc);extern void ScCopyClipToPacked422_C(int *buf, unsigned char *pos, int inc);extern void ScCopyAddClip_C(unsigned char *mvbuf, int *idctbuf, unsigned int *pbuf, int mvinc, int pwidth);extern void ScCopySubClip_C(unsigned char *mvbuf, float *idctbuf, unsigned int *pbuf, int mvinc, int pwidth);extern void ScCopyRev_C(unsigned int *yptr, float *Idctptr, int Inc);extern void ScCopyMV8_C(unsigned char *mvbuf, unsigned int *pbuf, int mvinc, int pwidth);extern void ScLoopFilter_C(unsigned char *input, unsigned int *work, int inc);extern void ScCopyBlock_C(unsigned char *linmemu, unsigned char *linmemv, int xpos, unsigned char *blkmemu, unsigned char *blkmemv, int cwidth, int wsis);extern void ScCopyMB_C(unsigned char *ysrc, int xpos, unsigned char *ymb, int ywidth, int yywidth);extern void ScCopyMB8_C(unsigned char *ysrc, unsigned char *ymb, int ywidth, int yywidth);extern void ScCopyMB16_C(unsigned char *ysrc, unsigned char *ymb, int ywidth, int yywidth);
/*
** sc_copy2.s*/extern void ScCopyClip_S(int *buf, unsigned int *pos, int inc);extern void ScCopyClipToPacked422_S(int *buf, unsigned char *pos, int inc);extern void ScCopyAddClip_S(unsigned char *mvbuf, int *idctbuf, unsigned int *pbuf, int mvinc, int pwidth);extern void ScCopySubClip_S(unsigned char *mvbuf, float *idctbuf, unsigned int *pbuf, int mvinc, int pinc);extern void ScCopyRev_S(unsigned int *yptr, float *Idctptr, int yinc);extern void ScLoopFilter_S(unsigned char *input, unsigned int *work, int inc);extern void ScCopyMV8_S(unsigned char *mvbuf, unsigned int *pbuf, int mvinc, int pwidth);extern void ScCopyMV16_S(unsigned char *mvbuf, unsigned int *pbuf, int mvinc, int pwidth);extern void ScCopyMB8_S(unsigned char *ysrc, unsigned char *ymb, int ywidth, int yywidth);extern void ScCopyMB16_S(unsigned char *ysrc, unsigned char *ymb, int ywidth, int yywidth);extern void ScAvgMV_S(unsigned char *, unsigned char *);
/*
** sc_mc2.s*/extern void ScMCy8(unsigned char *, unsigned char *, int);extern void ScMCy16(unsigned char *, unsigned char *, int);extern void ScMCx8(unsigned char *, unsigned char *, int);extern void ScMCx16(unsigned char *, unsigned char *, int);extern void ScMCxy8(unsigned char *, unsigned char *, int);extern void ScMCxy16(unsigned char *, unsigned char *, int);
/*
** macros for using C or assembly versions*/#ifdef USE_C
#define ScCopyClip ScCopyClip_C
#define ScCopyClipToPacked422 ScCopyClipToPacked422_C
#define ScCopyAddClip ScCopyAddClip_C
#define ScCopySubClip ScCopySubClip_C
#define ScCopyRev ScCopyRev_C
#define ScLoopFilter ScLoopFilter_C
#define ScCopyMV8 ScCopyMV8_C
#define ScCopyMV16 ScCopyMV16_C
#define ScCopyMB8 ScCopyMB8_C
#define ScCopyMB16 ScCopyMB16_C
#define ScAvgMV ScAvgMV_C
#define ScScaleIDCT8x8 ScScaleIDCT8x8_C
#define ScScaleIDCT8x8i ScScaleIDCT8x8i_C
#define ScScaleIDCT8x8i128 ScScaleIDCT8x8i128_C
#define ScPatScaleIDCT8x8i ScScaleIDCT8x8i_C
#define ScFDCT8x8 ScFDCT8x8_C
#define ScFDCT8x8s ScFDCT8x8s_C
#define ScIDCT8x8s ScIDCT8x8s_C
#define ScIDCT8x8sAndCopy ScIDCT8x8sAndCopy_C
#else /* USE_C */
#define ScCopyClip ScCopyClip_S
#define ScCopyClipToPacked422 ScCopyClipToPacked422_S
#define ScCopyAddClip ScCopyAddClip_S
#define ScCopySubClip ScCopySubClip_S
#define ScCopyRev ScCopyRev_S
#define ScLoopFilter ScLoopFilter_S
#define ScCopyMV8 ScCopyMV8_S
#define ScCopyMV16 ScCopyMV16_S
#define ScCopyMB8 ScCopyMB8_S
#define ScCopyMB16 ScCopyMB16_S
#define ScAvgMV ScAvgMV_S
#define ScScaleIDCT8x8 ScScaleIDCT8x8_C
#define ScScaleIDCT8x8i ScScaleIDCT8x8i_C
#define ScScaleIDCT8x8i128 ScScaleIDCT8x8i128_C
#define ScPatScaleIDCT8x8i ScPatScaleIDCT8x8i_S
#define ScFDCT8x8 ScFDCT8x8_S
#define ScFDCT8x8s ScFDCT8x8s_C
#define ScIDCT8x8s ScIDCT8x8s_S
#define ScIDCT8x8sAndCopy ScIDCT8x8sAndCopy_S
#endif /* USE_C */
#endif /* _SC_H_ */
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