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initial rate control
/***************************************************************************** * * XVID MPEG-4 VIDEO CODEC * - XviD Main header file - * * This file is part of XviD, a free MPEG-4 video encoder/decoder * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * $Id: xvid.h,v 1.27.2.10 2003-03-23 04:01:49 suxen_drol Exp $ * ****************************************************************************/ #ifndef _XVID_H_ #define _XVID_H_ #ifdef __cplusplus extern "C" { #endif /***************************************************************************** * versioning ****************************************************************************/ /* versioning version takes the form "$major.$minor.$patch" $patch is incremented when there is no api change $minor is incremented when the api is changed, but remains backwards compatible $major is incremented when the api is changed significantly when initialising an xvid structure, you must always zero it, and set the version field. memset(&struct,0,sizeof(struct)); struct.version = XVID_VERSION; XVID_UNSTABLE is defined only during development. */ #define XVID_MAKE_VERSION(a,b,c) ( (((a)&0xff)<<16) | (((b)&0xff)<<8) | ((c)&0xff) ) #define XVID_MAJOR(a) ( ((a)>>16) & 0xff ) #define XVID_MINOR(b) ((char)( ((b)>>8) & 0xff )) #define XVID_PATCH(c) ( (c) & 0xff ) #define XVID_VERSION XVID_MAKE_VERSION(1,-127,0) #define XVID_UNSTABLE /* Bitstream Version * this will be writen into the bitstream to allow easy detection of xvid * encoder bugs in the decoder, without this it might not possible to * automatically distinquish between a file which has been encoded with an * old & buggy XVID from a file which has been encoded with a bugfree version * see the infamous interlacing bug ... * * this MUST be increased if an encoder bug is fixed, increasing it too often * doesnt hurt but not increasing it could cause difficulty for decoders in the * future */ #define XVID_BS_VERSION "0009" /***************************************************************************** * error codes ****************************************************************************/ /* all functions return values <0 indicate error */ #define XVID_ERR_FAIL -1 /* general fault */ #define XVID_ERR_MEMORY -2 /* memory allocation error */ #define XVID_ERR_FORMAT -3 /* file format error */ #define XVID_ERR_VERSION -4 /* structure version not supported */ #define XVID_ERR_END -5 /* encoder only; end of stream reached */ /***************************************************************************** * xvid_image_t ****************************************************************************/ /* colorspace values */ #define XVID_CSP_USER 0 /* 4:2:0 planar */ #define XVID_CSP_I420 1 /* 4:2:0 packed(planar win32) */ #define XVID_CSP_YV12 2 /* 4:2:0 packed(planar win32) */ #define XVID_CSP_YUY2 3 /* 4:2:2 packed */ #define XVID_CSP_UYVY 4 /* 4:2:2 packed */ #define XVID_CSP_YVYU 5 /* 4:2:2 packed */ #define XVID_CSP_BGRA 6 /* 32-bit bgra packed */ #define XVID_CSP_ABGR 7 /* 32-bit abgr packed */ #define XVID_CSP_RGBA 8 /* 32-bit rgba packed */ #define XVID_CSP_BGR 9 /* 32-bit bgr packed */ #define XVID_CSP_RGB555 10 /* 16-bit rgb555 packed */ #define XVID_CSP_RGB565 11 /* 16-bit rgb565 packed */ #define XVID_CSP_SLICE 12 /* decoder only: 4:2:0 planar, per slice rendering */ #define XVID_CSP_INTERNAL 13 /* decoder only: 4:2:0 planar, returns ptrs to internal buffers */ #define XVID_CSP_NULL 14 /* decoder only: dont output anything */ #define XVID_CSP_VFLIP 0x80000000 /* vertical flip mask */ /* xvid_image_t for non-planar colorspaces use only plane[0] and stride[0] four plane reserved for alpha*/ typedef struct { int csp; /* [in] colorspace; or with XVID_CSP_VFLIP to perform vertical flip */ void * plane[4]; /* [in] image plane ptrs */ int stride[4]; /* [in] image stride; "bytes per row"*/ } xvid_image_t; /* aspect ratios */ #define XVID_PAR_11_VGA 1 /* 1:1 vga (square) */ #define XVID_PAR_43_PAL 2 /* 4:3 pal (12:11 625-line) */ #define XVID_PAR_43_NTSC 3 /* 4:3 ntsc (10:11 525-line) */ #define XVID_PAR_169_PAL 4 /* 16:9 pal (16:11 625-line) */ #define XVID_PAR_169_NTSC 5 /* 16:9 ntsc (40:33 525-line) */ #define XVID_PAR_EXT 15 /* extended par; use par_width, par_height */ /* frame type flags */ #define XVID_TYPE_VOL -1 /* decoder only: vol was decoded */ #define XVID_TYPE_NOTHING 0 /* decoder only (encoder stats): nothing was decoded/encoded */ #define XVID_TYPE_AUTO 0 /* encoder: automatically determine coding type */ #define XVID_TYPE_IVOP 1 /* intra frame */ #define XVID_TYPE_PVOP 2 /* predicted frame */ #define XVID_TYPE_BVOP 3 /* bidirectionally encoded */ #define XVID_TYPE_SVOP 4 /* predicted+sprite frame */ /***************************************************************************** * xvid_global() ****************************************************************************/ /* cpu_flags definitions */ #define XVID_CPU_FORCE 0x80000000 /* force passed cpu flags */ #define XVID_CPU_ASM 0x00000080 /* native assembly */ /* ARCH_IS_IA32 */ #define XVID_CPU_MMX 0x00000001 /* mmx : pentiumMMX,k6 */ #define XVID_CPU_MMXEXT 0x00000002 /* mmx-ext : pentium2, athlon */ #define XVID_CPU_SSE 0x00000004 /* sse : pentium3, athlonXP */ #define XVID_CPU_SSE2 0x00000008 /* sse2 : pentium4, athlon64 */ #define XVID_CPU_3DNOW 0x00000010 /* 3dnow : k6-2 */ #define XVID_CPU_3DNOWEXT 0x00000020 /* 3dnow-ext: athlon */ #define XVID_CPU_TSC 0x00000040 /* timestamp counter */ /* ARCH_IS_PPC */ #define XVID_CPU_ALTIVEC 0x00000001 /* altivec */ /* XVID_GBL_INIT param1 */ typedef struct { int version; int cpu_flags; /* [in:opt] zero = autodetect cpu XVID_CPU_FORCE|{cpu features} = force cpu features */ } xvid_gbl_init_t; /* XVID_GBL_INFO param1 */ typedef struct { int version; int actual_version; /* [out] returns the actual xvidcore version */ const char * build; /* [out] if !null, points to description of this xvid core build */ int cpu_flags; /* [out] detected cpu features */ int num_threads; /* [out] detected number of cpus/threads */ } xvid_gbl_info_t; /* XVID_GBL_CONVERT param1 */ typedef struct { int version; xvid_image_t input; /* [in] input image & colorspace */ xvid_image_t output; /* [in] output image & colorspace */ int width; /* [in] width */ int height; /* [in] height */ int interlacing; /* [in] interlacing */ } xvid_gbl_convert_t; #define XVID_GBL_INIT 0 /* initialize xvidcore; must be called before using xvid_decore, or xvid_encore) */ #define XVID_GBL_INFO 1 /* return some info about xvidcore, and the host computer */ #define XVID_GBL_CONVERT 2 /* colorspace conversion utility */ #define XVID_GBL_TEST 3 /* testing.. */ int xvid_global(void *handle, int opt, void *param1, void *param2); /***************************************************************************** * xvid_decore() ****************************************************************************/ #define XVID_DEC_CREATE 0 /* create decore instance; return 0 on success */ #define XVID_DEC_DESTROY 1 /* destroy decore instance: return 0 on success */ #define XVID_DEC_DECODE 2 /* decode a frame: returns number of bytes consumed >= 0 */ int xvid_decore(void *handle, int opt, void *param1, void *param2); /* XVID_DEC_CREATE param 1 image width & height may be specified here when the dimensions are known in advance. */ typedef struct { int version; int width; /* [in:opt] image width */ int height; /* [in:opt] image width */ void * handle; /* [out] decore context handle */ } xvid_dec_create_t; /* XVID_DEC_DECODE param1 */ /* general flags */ #define XVID_LOWDELAY 0x00000001 /* lowdelay mode */ #define XVID_DISCONTINUITY 0x00000002 /* indicates break in stream */ typedef struct { int version; int general; /* [in:opt] general flags */ void *bitstream; /* [in] bitstream (read from)*/ int length; /* [in] bitstream length */ xvid_image_t output; /* [in] output image (written to) */ } xvid_dec_frame_t; /* XVID_DEC_DECODE param2 :: optional */ typedef struct { int version; int type; /* [out] output data type */ union { struct { /* type>0 {XVID_TYPE_IVOP,XVID_TYPE_PVOP,XVID_TYPE_BVOP,XVID_TYPE_SVOP} */ int general; /* [out] flags */ int time_base; /* [out] time base */ int time_increment; /* [out] time increment */ /* XXX: external deblocking stuff */ int * qscale; /* [out] pointer to quantizer table */ int qscale_stride; /* [out] quantizer scale stride */ } vop; struct { /* XVID_TYPE_VOL */ int general; /* [out] flags */ int width; /* [out] width */ int height; /* [out] height */ int par; /* [out] picture aspect ratio (refer to XVID_PAR_xxx above) */ int par_width; /* [out] aspect ratio width */ int par_height; /* [out] aspect ratio height */ } vol; } data; } xvid_dec_stats_t; /***************************************************************************** xvid plugin system -- internals xvidcore will call XVID_PLG_INFO and XVID_PLG_CREATE during XVID_ENC_CREATE before encoding each frame xvidcore will call XVID_PLG_BEFORE after encoding each frame xvidcore will call XVID_PLG_AFTER xvidcore will call XVID_PLG_DESTROY during XVID_ENC_DESTROY ****************************************************************************/ #define XVID_PLG_CREATE 0 #define XVID_PLG_DESTROY 1 #define XVID_PLG_INFO 2 #define XVID_PLG_BEFORE 3 #define XVID_PLG_AFTER 4 /* xvid_plg_info_t.flags */ #define XVID_REQORIGINAL 1 /* plugin requires a copy of the original (uncompressed) image */ #define XVID_REQPSNR 2 /* plugin requires psnr between the uncompressed and compressed image*/ #define XVID_REQDQUANTS 3 /* plugin requires access to the dquant table */ typedef struct { int version; int flags; /* plugin flags */ } xvid_plg_info_t; typedef struct { int version; int width; int height; int mb_width; int mb_height; int fincr; int fbase; void * param; } xvid_plg_create_t; typedef struct { int version; int num_frames; /* [out] totlal frame encoded */ } xvid_plg_destroy_t; typedef struct { int version; int width; /* [out] */ int height; /* [out] */ int mb_width; /* [out] */ int mb_height; /* [out] */ int fincr; /* [out] */ int fbase; /* [out] */ xvid_image_t reference; /* [out] -> [out] */ xvid_image_t current; /* [out] -> [in,out] */ xvid_image_t original; /* [out] after: points the original (uncompressed) copy of the current frame */ int frame_num; /* [out] frame number */ int type; /* [in,out] */ int quant; /* [in,out] */ int * dquant; /* [in,out] pointer to diff quantizer table */ int dquant_stride; /* [in,out] diff quantizer stride */ int vop_flags; /* [in,out] */ int vol_flags; /* [in,out] */ int motion_flags; /* [in,out] */ int length; /* [out] after: length of encoded frame */ int kblks, mblks, ublks; /* [out] after: */ int sse_y, sse_u, sse_v; /* [out] */ } xvid_plg_data_t; /***************************************************************************** xvid plugin system -- external the application passes xvid an array of "xvid_plugin_t" at XVID_ENC_CREATE. the array indicates the plugin function pointer and plugin-specific data. xvidcore handles the rest. example: xvid_enc_create_t create; xvid_enc_plugin_t plugins[2]; plugins[0].func = xvid_psnr_func; plugins[0].param = NULL; plugins[1].func = xvid_cbr_func; plugins[1].param = &cbr_data; create.num_plugins = 2; create.plugins = plugins; ****************************************************************************/ typedef int (xvid_plugin_func)(void * handle, int opt, void * param1, void * param2); typedef struct { xvid_plugin_func * func; void * param; } xvid_enc_plugin_t; xvid_plugin_func xvid_plugin_fixed; /* fixed quantizer control */ xvid_plugin_func xvid_plugin_cbr; /* constant bitrate control */ xvid_plugin_func xvid_plugin_2pass1; /* 2pass rate control: pass 1 */ xvid_plugin_func xvid_plugin_lumimasking; /* lumimasking */ xvid_plugin_func xvid_plugin_psnr; /* write psnr values to stdout */ xvid_plugin_func xvid_plugin_dump; /* dump before and after yuvpgms */ typedef struct { int version; int quant_increment; int quant_base; } xvid_plugin_fixed_t; typedef struct { int version; int bitrate; int max_quantizer; int min_quantizer; int reaction_delay_factor; int averaging_period; int buffer; } xvid_plugin_cbr_t; typedef struct { int version; char * filename; } xvid_plugin_2pass1_t; /***************************************************************************** * xvid_encore() ****************************************************************************/ /* Encoder options */ #define XVID_ENC_CREATE 0 /* create encoder instance; returns 0 on success */ #define XVID_ENC_DESTROY 1 /* destroy encoder instance; returns 0 on success */ #define XVID_ENC_ENCODE 2 /* encode a frame: returns number of ouput bytes 0 means this frame should not be written (ie. encoder lag) */ int xvid_encore(void *handle, int opt, void *param1, void *param2); /* global flags */ typedef enum { XVID_PACKED = 0x00000001, /* packed bitstream */ XVID_CLOSED_GOP = 0x00000002, /* closed_gop: was DX50BVOP dx50 bvop compatibility */ XVID_EXTRASTATS_ENABLE = 0x00000004 /*define XVID_VOL_AT_IVOP 0x00000008 write vol at every ivop: WIN32/divx compatibility */ /*define XVID_FORCE_VOL 0x00000008 XXX: when vol-based parameters are changed, insert an ivop NOT recommended */ } xvid_global_t; /* XVID_ENC_ENCODE param1 */ /* vol-based flags */ typedef enum { XVID_MPEGQUANT = 0x00000001, XVID_EXTRASTATS = 0x00000002, XVID_QUARTERPEL = 0x00000004, /* enable quarterpel: frames will encoded as quarterpel */ XVID_GMC = 0x00000008, /* enable GMC; frames will be checked for gmc suitability */ XVID_REDUCED_ENABLE = 0x00000010, /* enable reduced resolution vops: frames will be checked for rrv suitability */ XVID_INTERLACING = 0x00000400, /* enable interlaced encoding */ } xvid_vol_t; /* vop-based flags */ typedef enum { XVID_DEBUG = 0x00000001, XVID_HALFPEL = 0x00000004, /* use halfpel interpolation */ XVID_INTER4V = 0x00000008, XVID_CHROMAOPT = 0x00000020, /* enable chroma optimization pre-filter */ XVID_GREYSCALE = 0x00000040, /* enable greyscale only mode (even for color input material chroma is ignored) */ XVID_HQACPRED = 0x00000080, /* 20030209: high quality ac prediction */ XVID_MODEDECISION_BITS = 0x00000100, /* enable DCT-ME and use it for mode decision */ XVID_DYNAMIC_BFRAMES = 0x00000200, /* only valid for vol_flags|=XVID_INTERLACING */ XVID_TOPFIELDFIRST = 0x00000400, /* set top-field-first flag */ XVID_ALTERNATESCAN = 0x00000800, /* set alternate vertical scan flag */ /* only valid for vol_flags|=XVID_REDUCED_ENABLED */ XVID_REDUCED = 0x00001000, /* reduced resolution vop */ } xvid_vop_t; typedef enum { PMV_ADVANCEDDIAMOND16 = 0x00008000, /* use advdiamonds instead of diamonds as search pattern */ PMV_USESQUARES16 = 0x00800000, /* use squares instead of diamonds as search pattern */ PMV_HALFPELREFINE16 = 0x00020000, PMV_HALFPELREFINE8 = 0x02000000, PMV_QUARTERPELREFINE16 = 0x00040000, PMV_QUARTERPELREFINE8 = 0x04000000, PMV_EXTSEARCH16 = 0x00080000, /* extend PMV by more searches */ PMV_EXTSEARCH8 = 0x08000000, /* use diamond/square for extended 8x8 search */ PMV_ADVANCEDDIAMOND8 = 0x00004000, /* use advdiamond for PMV_EXTSEARCH8 */ PMV_USESQUARES8 = 0x80000000, /* use square for PMV_EXTSEARCH8 */ PMV_CHROMA16 = 0x00100000, /* also use chroma for P_VOP/S_VOP ME */ PMV_CHROMA8 = 0x10000000, /* also use chroma for B_VOP ME */ /* Motion search using DCT. use XVID_MODEDECISION_BITS to enable */ HALFPELREFINE16_BITS = 0x00000100, /* perform DCT-based halfpel refinement */ HALFPELREFINE8_BITS = 0x00000200, /* perform DCT-based halfpel refinement for 8x8 mode */ QUARTERPELREFINE16_BITS = 0x00000400, /* perform DCT-based qpel refinement */ QUARTERPELREFINE8_BITS = 0x00000800, /* perform DCT-based qpel refinement for 8x8 mode */ EXTSEARCH_BITS = 0x00001000, /* perform DCT-based search using square pattern enable PMV_EXTSEARCH8 to do this in 8x8 search as well */ CHECKPREDICTION_BITS = 0x00002000, /* always check vector equal to prediction */ PMV_UNRESTRICTED16 = 0x00200000, /* unrestricted ME, not implemented */ PMV_OVERLAPPING16 = 0x00400000, /* overlapping ME, not implemented */ PMV_UNRESTRICTED8 = 0x20000000, /* unrestricted ME, not implemented */ PMV_OVERLAPPING8 = 0x40000000 /* overlapping ME, not implemented */ } xvid_motion_t; /* XVID_ENC_CREATE param1 */ typedef struct { int version; int width; /* [in] frame dimensions; width, pixel units */ int height; /* [in] frame dimensions; height, pixel units */ int num_plugins; /* [in:opt] number of plugins */ xvid_enc_plugin_t * plugins; /* ^^ plugin array */ int num_threads; /* [in:opt] number of threads */ int max_bframes; /* [in:opt] max sequential bframes (0=disable bframes) */ xvid_global_t global; /* [in:opt] global flags; controls encoding behavior */ /* --- vol-based stuff; included here for conveinience */ int fincr; /* [in:opt] framerate increment; set to zero for variable framerate */ int fbase; /* [in] framerate base frame_duration = fincr/fbase seconds*/ /* ^^^---------------------------------------------- */ /* ---vop-based; included here for conveienience */ int max_key_interval; /* [in:opt] the maximum interval between key frames */ /*XXX: maybe call it gop_size? */ int frame_drop_ratio; /* [in:opt] frame dropping: 0=drop none... 100=drop all */ int bquant_ratio; /* [in:opt] bframe quantizer multipier/offeset; used to decide bframes quant when bquant==-1 */ int bquant_offset; /* bquant = (avg(past_ref_quant,future_ref_quant)*bquant_ratio + bquant_offset) / 100 */ /* ^^^ -------------------------------------------------------------------------*/ void *handle; /* [out] encoder instance handle */ } xvid_enc_create_t; typedef struct { int version; int type; /* [in] rate control type: XVID_RC_xxx */ /* common stuff */ int min_iquant; /* [in:opt] ivop quantizer upper/lower limit */ int max_iquant; /* [in:opt] */ int min_pquant; /* [in:opt] psvop quantizer upper/lower limit */ int max_pquant; /* [in:opt] */ int min_bquant; /* [in:opt] bvop quantizer upper/lower limit */ int max_bquant; /* [in:opt] */ union { struct { /* XVID_RC_FQUANT */ float quant; /* [in] quantizer */ } fquant; struct { /* XVID_RC_CBR */ int bitrate; /* [in] the bitrate of the target encoded stream, in bits/second */ int reaction_delay_factor; /* [in] how fast the rate control reacts - lower values are faster */ int averaging_period; /* [in] */ int buffer; /* [in] */ } cbr; } data; } xvid_enc_rc_t; #define XVID_KEYFRAME 0x00000001 typedef struct { int version; /* --- VOL related stuff; unless XVID_FORCEVOL is set, the encoder will not react to any changes here until the next VOL (keyframe). */ xvid_vol_t vol_flags; /* [in] vol flags */ unsigned char * quant_intra_matrix; /* [in:opt] custom intra qmatrix */ unsigned char * quant_inter_matrix; /* [in:opt] custom inter qmatrix */ int par; /* [in:opt] picture aspect ratio (refer to XVID_PAR_xxx above) */ int par_width; /* [in:opt] aspect ratio width */ int par_height; /* [in:opt] aspect ratio height */ /* ^^^----------------------------------------------------------------------------------*/ int fincr; /* framerate increment, for variable framerate only */ xvid_vop_t vop_flags; /* [in] (general)vop-based flags */ xvid_motion_t motion; /* [in] ME options */ xvid_image_t input; /* [in] input image (read from) */ int type; /* [in:opt] coding type */ int quant; /* [in] frame quantizer; if <=0, automatatic (ratecontrol) */ void *bitstream; /* [in:opt] bitstream ptr (written to)*/ int length; /* [in:opt] bitstream length (bytes) */ int out_flags; /* [out] bitstream output flags */ } xvid_enc_frame_t; /* XVID_ENC_ENCODE param2 (optional) xvid_enc_stats_t describes individual frame details coding_type==XVID_TYPE_NOTHING if the stats are not given */ typedef struct { int version; /* encoding parameters */ int type; /* [out] coding type */ int quant; /* [out] frame quantizer */ xvid_vol_t vol_flags; /* [out] vol flags (see above) */ int vop_flags; /* [out] vop flags (see above) */ /* bitrate */ int length; /* [out] frame length */ int hlength; /* [out] header length (bytes) */ int kblks, mblks, ublks; /* [out] */ int sse_y, sse_u, sse_v; } xvid_enc_stats_t; #ifdef __cplusplus } #endif #endif
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