Functions
gst_vc1_bitplanes_new ()
GstVC1BitPlanes *
gst_vc1_bitplanes_new (void
);
gst_vc1_bitplanes_free ()
void
gst_vc1_bitplanes_free (GstVC1BitPlanes *bitplanes
);
gst_vc1_bitplanes_free_1 ()
void
gst_vc1_bitplanes_free_1 (GstVC1BitPlanes *bitplanes
);
gst_vc1_bitplanes_ensure_size ()
gboolean
gst_vc1_bitplanes_ensure_size (GstVC1BitPlanes *bitplanes
,
GstVC1SeqHdr *seqhdr
);
Types and Values
MAX_HRD_NUM_LEAKY_BUCKETS
#define MAX_HRD_NUM_LEAKY_BUCKETS 31
GST_VC1_BFRACTION_BASIS
#define GST_VC1_BFRACTION_BASIS 840
struct GstVC1SeqHdr
struct GstVC1SeqHdr {
GstVC1Profile profile;
GstVC1SeqStructC struct_c;
/* calculated */
guint mb_height;
guint mb_width;
guint mb_stride;
GstVC1AdvancedSeqHdr advanced;
};
struct GstVC1AdvancedSeqHdr
struct GstVC1AdvancedSeqHdr {
GstVC1Level level;
guint8 frmrtq_postproc;
guint8 bitrtq_postproc;
guint8 postprocflag;
guint16 max_coded_width;
guint16 max_coded_height;
guint8 pulldown;
guint8 interlace;
guint8 tfcntrflag;
guint8 finterpflag;
guint8 psf;
guint8 display_ext;
guint16 disp_horiz_size;
guint16 disp_vert_size;
guint8 aspect_ratio_flag;
guint8 aspect_ratio;
guint8 aspect_horiz_size;
guint8 aspect_vert_size;
guint8 framerate_flag;
guint8 framerateind;
guint8 frameratenr;
guint8 frameratedr;
guint16 framerateexp;
guint8 color_format_flag;
guint8 color_prim;
guint8 transfer_char;
guint8 matrix_coef;
guint8 hrd_param_flag;
guint8 colordiff_format;
GstVC1HrdParam hrd_param;
/* computed */
guint framerate; /* Around in fps, 0 if unknown*/
guint bitrate; /* Around in kpbs, 0 if unknown*/
guint par_n;
guint par_d;
guint fps_n;
guint fps_d;
/* The last parsed entry point */
GstVC1EntryPointHdr entrypoint;
};
struct GstVC1SeqLayer
struct GstVC1SeqLayer {
guint32 numframes;
GstVC1SeqStructA struct_a;
GstVC1SeqStructB struct_b;
GstVC1SeqStructC struct_c;
};
struct GstVC1SeqStructA
struct GstVC1SeqStructA {
guint32 vert_size;
guint32 horiz_size;
};
struct GstVC1SeqStructB
struct GstVC1SeqStructB {
GstVC1Level level;
guint8 cbr;
guint32 framerate;
/* In simple and main profiles only */
guint32 hrd_buffer;
guint32 hrd_rate;
};
struct GstVC1SeqStructC
struct GstVC1SeqStructC {
GstVC1Profile profile;
/* Only in simple and main profiles */
guint8 frmrtq_postproc;
guint8 bitrtq_postproc;
guint8 res_sprite;
guint8 loop_filter;
guint8 multires;
guint8 fastuvmc;
guint8 extended_mv;
guint8 dquant;
guint8 vstransform;
guint8 overlap;
guint8 syncmarker;
guint8 rangered;
guint8 maxbframes;
guint8 quantizer;
guint8 finterpflag;
/* Computed */
guint framerate; /* Around in fps, 0 if unknown*/
guint bitrate; /* Around in kpbs, 0 if unknown*/
/* This should be filled by user if previously known */
guint16 coded_width;
/* This should be filled by user if previously known */
guint16 coded_height;
/* Wmvp specific */
guint8 wmvp; /* Specify if the stream is wmp or not */
/* In the wmvp case, the framerate is not computed but in the bistream */
guint8 slice_code;
};
struct GstVC1HrdParam
struct GstVC1HrdParam {
guint8 hrd_num_leaky_buckets;
guint8 bit_rate_exponent;
guint8 buffer_size_exponent;
guint16 hrd_rate[MAX_HRD_NUM_LEAKY_BUCKETS];
guint16 hrd_buffer[MAX_HRD_NUM_LEAKY_BUCKETS];
};
struct GstVC1EntryPointHdr
struct GstVC1EntryPointHdr {
guint8 broken_link;
guint8 closed_entry;
guint8 panscan_flag;
guint8 refdist_flag;
guint8 loopfilter;
guint8 fastuvmc;
guint8 extended_mv;
guint8 dquant;
guint8 vstransform;
guint8 overlap;
guint8 quantizer;
guint8 coded_size_flag;
guint16 coded_width;
guint16 coded_height;
guint8 extended_dmv;
guint8 range_mapy_flag;
guint8 range_mapy;
guint8 range_mapuv_flag;
guint8 range_mapuv;
guint8 hrd_full[MAX_HRD_NUM_LEAKY_BUCKETS];
};
struct GstVC1FrameHdr
struct GstVC1FrameHdr {
/* common fields */
GstVC1PictureType ptype;
guint8 interpfrm;
guint8 halfqp;
guint8 transacfrm;
guint8 transdctab;
guint8 pqindex;
guint8 pquantizer;
/* Computed */
guint8 pquant;
/* Convenience fields */
guint8 profile;
guint8 dquant;
/* If dquant */
GstVC1VopDquant vopdquant;
union {
GstVC1PicSimpleMain simple;
GstVC1PicAdvanced advanced;
} pic;
/* Size of the picture layer in bits */
guint header_size;
};
struct GstVC1PicAdvanced
struct GstVC1PicAdvanced {
GstVC1FrameCodingMode fcm;
guint8 tfcntr;
guint8 rptfrm;
guint8 tff;
guint8 rff;
guint8 ps_present;
guint32 ps_hoffset;
guint32 ps_voffset;
guint16 ps_width;
guint16 ps_height;
guint8 rndctrl;
guint8 uvsamp;
guint8 postproc;
/* B and P picture specific */
guint8 mvrange;
guint8 mvmode;
guint8 mvtab;
guint8 cbptab;
guint8 ttmbf;
guint8 ttfrm;
/* B and BI picture only
* Should be divided by #GST_VC1_BFRACTION_BASIS
* to get the real value. */
guint16 bfraction;
/* ppic */
guint8 mvmode2;
guint8 lumscale;
guint8 lumshift;
/* bipic */
guint8 bf;
guint8 condover;
guint8 transacfrm2;
/* Biplane value, those fields only mention the fact
* that the bitplane is in raw mode or not */
guint8 acpred;
guint8 overflags;
guint8 mvtypemb;
guint8 skipmb;
guint8 directmb;
guint8 forwardmb; /* B pic interlace field only */
/* For interlaced pictures only */
guint8 fieldtx;
/* P and B pictures */
guint8 intcomp;
guint8 dmvrange;
guint8 mbmodetab;
guint8 imvtab;
guint8 icbptab;
guint8 mvbptab2;
guint8 mvbptab4; /* If 4mvswitch in ppic */
/* P picture */
guint8 mvswitch4;
/* For interlaced fields only */
guint16 refdist;
guint8 fptype; /* Raw value */
/* P pic */
guint8 numref;
guint8 reffield;
guint8 lumscale2;
guint8 lumshift2;
guint8 intcompfield;
};
struct GstVC1PicSimpleMain
struct GstVC1PicSimpleMain {
guint8 frmcnt;
guint8 mvrange;
guint8 rangeredfrm;
/* I and P pic simple and main profiles only */
guint8 respic;
/* I and BI pic simple and main profiles only */
guint8 transacfrm2;
guint8 bf;
/* B and P pic simple and main profiles only */
guint8 mvmode;
guint8 mvtab;
guint8 ttmbf;
/* P pic simple and main profiles only */
guint8 mvmode2;
guint8 lumscale;
guint8 lumshift;
guint8 cbptab;
guint8 ttfrm;
/* B and BI picture only
* Should be divided by #GST_VC1_BFRACTION_BASIS
* to get the real value. */
guint16 bfraction;
/* Biplane value, those fields only mention the fact
* that the bitplane is in raw mode or not */
guint8 mvtypemb;
guint8 skipmb;
guint8 directmb; /* B pic main profile only */
};
GstVC1Picture
typedef struct _GstVC1Picture GstVC1Picture;
struct GstVC1VopDquant
struct GstVC1VopDquant {
guint8 pqdiff;
guint8 abspq;
/* Computed */
guint8 altpquant;
/* if dqant != 2*/
guint8 dquantfrm;
guint8 dqprofile;
/* Boundary edge selection. This represents DQSBEDGE
* if dqprofile == GST_VC1_DQPROFILE_SINGLE_EDGE or
* DQDBEDGE if dqprofile == GST_VC1_DQPROFILE_DOUBLE_EDGE */
guint8 dqbedge;
/* FIXME: remove */
guint8 unused;
/* if dqprofile == GST_VC1_DQPROFILE_ALL_MBS */
guint8 dqbilevel;
};
struct GstVC1BDU
struct GstVC1BDU {
GstVC1StartCode type;
guint size;
guint sc_offset;
guint offset;
guint8 * data;
};