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Move some declarations into header
Based on patch by Denis Fortin (cons (car '(fortin NOSPAM)) '(nerim net)) Originally committed as revision 8884 to svn://svn.ffmpeg.org/ffmpeg/trunktags/v0.5
Kostya Shishkov
18 years ago
2 changed files with 328 additions and 327 deletions
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+0 -327libavcodec/vc1.c
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+328 -0libavcodec/vc1.h
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libavcodec/vc1.c
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| @@ -47,333 +47,6 @@ extern const uint16_t ff_msmp4_mb_i_table[64][2]; | |||
| #define AC_VLC_BITS 9 | |||
| static const uint16_t table_mb_intra[64][2]; | |||
| /** Available Profiles */ | |||
| //@{ | |||
| enum Profile { | |||
| PROFILE_SIMPLE, | |||
| PROFILE_MAIN, | |||
| PROFILE_COMPLEX, ///< TODO: WMV9 specific | |||
| PROFILE_ADVANCED | |||
| }; | |||
| //@} | |||
| /** Sequence quantizer mode */ | |||
| //@{ | |||
| enum QuantMode { | |||
| QUANT_FRAME_IMPLICIT, ///< Implicitly specified at frame level | |||
| QUANT_FRAME_EXPLICIT, ///< Explicitly specified at frame level | |||
| QUANT_NON_UNIFORM, ///< Non-uniform quant used for all frames | |||
| QUANT_UNIFORM ///< Uniform quant used for all frames | |||
| }; | |||
| //@} | |||
| /** Where quant can be changed */ | |||
| //@{ | |||
| enum DQProfile { | |||
| DQPROFILE_FOUR_EDGES, | |||
| DQPROFILE_DOUBLE_EDGES, | |||
| DQPROFILE_SINGLE_EDGE, | |||
| DQPROFILE_ALL_MBS | |||
| }; | |||
| //@} | |||
| /** @name Where quant can be changed | |||
| */ | |||
| //@{ | |||
| enum DQSingleEdge { | |||
| DQSINGLE_BEDGE_LEFT, | |||
| DQSINGLE_BEDGE_TOP, | |||
| DQSINGLE_BEDGE_RIGHT, | |||
| DQSINGLE_BEDGE_BOTTOM | |||
| }; | |||
| //@} | |||
| /** Which pair of edges is quantized with ALTPQUANT */ | |||
| //@{ | |||
| enum DQDoubleEdge { | |||
| DQDOUBLE_BEDGE_TOPLEFT, | |||
| DQDOUBLE_BEDGE_TOPRIGHT, | |||
| DQDOUBLE_BEDGE_BOTTOMRIGHT, | |||
| DQDOUBLE_BEDGE_BOTTOMLEFT | |||
| }; | |||
| //@} | |||
| /** MV modes for P frames */ | |||
| //@{ | |||
| enum MVModes { | |||
| MV_PMODE_1MV_HPEL_BILIN, | |||
| MV_PMODE_1MV, | |||
| MV_PMODE_1MV_HPEL, | |||
| MV_PMODE_MIXED_MV, | |||
| MV_PMODE_INTENSITY_COMP | |||
| }; | |||
| //@} | |||
| /** @name MV types for B frames */ | |||
| //@{ | |||
| enum BMVTypes { | |||
| BMV_TYPE_BACKWARD, | |||
| BMV_TYPE_FORWARD, | |||
| BMV_TYPE_INTERPOLATED | |||
| }; | |||
| //@} | |||
| /** @name Block types for P/B frames */ | |||
| //@{ | |||
| enum TransformTypes { | |||
| TT_8X8, | |||
| TT_8X4_BOTTOM, | |||
| TT_8X4_TOP, | |||
| TT_8X4, //Both halves | |||
| TT_4X8_RIGHT, | |||
| TT_4X8_LEFT, | |||
| TT_4X8, //Both halves | |||
| TT_4X4 | |||
| }; | |||
| //@} | |||
| /** Table for conversion between TTBLK and TTMB */ | |||
| static const int ttblk_to_tt[3][8] = { | |||
| { TT_8X4, TT_4X8, TT_8X8, TT_4X4, TT_8X4_TOP, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT }, | |||
| { TT_8X8, TT_4X8_RIGHT, TT_4X8_LEFT, TT_4X4, TT_8X4, TT_4X8, TT_8X4_BOTTOM, TT_8X4_TOP }, | |||
| { TT_8X8, TT_4X8, TT_4X4, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT, TT_8X4, TT_8X4_TOP } | |||
| }; | |||
| static const int ttfrm_to_tt[4] = { TT_8X8, TT_8X4, TT_4X8, TT_4X4 }; | |||
| /** MV P mode - the 5th element is only used for mode 1 */ | |||
| static const uint8_t mv_pmode_table[2][5] = { | |||
| { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_MIXED_MV }, | |||
| { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_1MV_HPEL_BILIN } | |||
| }; | |||
| static const uint8_t mv_pmode_table2[2][4] = { | |||
| { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_MIXED_MV }, | |||
| { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_1MV_HPEL_BILIN } | |||
| }; | |||
| /** One more frame type */ | |||
| #define BI_TYPE 7 | |||
| static const int fps_nr[5] = { 24, 25, 30, 50, 60 }, | |||
| fps_dr[2] = { 1000, 1001 }; | |||
| static const uint8_t pquant_table[3][32] = { | |||
| { /* Implicit quantizer */ | |||
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 6, 7, 8, 9, 10, 11, 12, | |||
| 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 29, 31 | |||
| }, | |||
| { /* Explicit quantizer, pquantizer uniform */ | |||
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |||
| 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 | |||
| }, | |||
| { /* Explicit quantizer, pquantizer non-uniform */ | |||
| 0, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, | |||
| 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 31 | |||
| } | |||
| }; | |||
| /** @name VC-1 VLC tables and defines | |||
| * @todo TODO move this into the context | |||
| */ | |||
| //@{ | |||
| #define VC1_BFRACTION_VLC_BITS 7 | |||
| static VLC vc1_bfraction_vlc; | |||
| #define VC1_IMODE_VLC_BITS 4 | |||
| static VLC vc1_imode_vlc; | |||
| #define VC1_NORM2_VLC_BITS 3 | |||
| static VLC vc1_norm2_vlc; | |||
| #define VC1_NORM6_VLC_BITS 9 | |||
| static VLC vc1_norm6_vlc; | |||
| /* Could be optimized, one table only needs 8 bits */ | |||
| #define VC1_TTMB_VLC_BITS 9 //12 | |||
| static VLC vc1_ttmb_vlc[3]; | |||
| #define VC1_MV_DIFF_VLC_BITS 9 //15 | |||
| static VLC vc1_mv_diff_vlc[4]; | |||
| #define VC1_CBPCY_P_VLC_BITS 9 //14 | |||
| static VLC vc1_cbpcy_p_vlc[4]; | |||
| #define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6 | |||
| static VLC vc1_4mv_block_pattern_vlc[4]; | |||
| #define VC1_TTBLK_VLC_BITS 5 | |||
| static VLC vc1_ttblk_vlc[3]; | |||
| #define VC1_SUBBLKPAT_VLC_BITS 6 | |||
| static VLC vc1_subblkpat_vlc[3]; | |||
| static VLC vc1_ac_coeff_table[8]; | |||
| //@} | |||
| enum CodingSet { | |||
| CS_HIGH_MOT_INTRA = 0, | |||
| CS_HIGH_MOT_INTER, | |||
| CS_LOW_MOT_INTRA, | |||
| CS_LOW_MOT_INTER, | |||
| CS_MID_RATE_INTRA, | |||
| CS_MID_RATE_INTER, | |||
| CS_HIGH_RATE_INTRA, | |||
| CS_HIGH_RATE_INTER | |||
| }; | |||
| /** @name Overlap conditions for Advanced Profile */ | |||
| //@{ | |||
| enum COTypes { | |||
| CONDOVER_NONE = 0, | |||
| CONDOVER_ALL, | |||
| CONDOVER_SELECT | |||
| }; | |||
| //@} | |||
| /** The VC1 Context | |||
| * @fixme Change size wherever another size is more efficient | |||
| * Many members are only used for Advanced Profile | |||
| */ | |||
| typedef struct VC1Context{ | |||
| MpegEncContext s; | |||
| int bits; | |||
| /** Simple/Main Profile sequence header */ | |||
| //@{ | |||
| int res_sm; ///< reserved, 2b | |||
| int res_x8; ///< reserved | |||
| int multires; ///< frame-level RESPIC syntax element present | |||
| int res_fasttx; ///< reserved, always 1 | |||
| int res_transtab; ///< reserved, always 0 | |||
| int rangered; ///< RANGEREDFRM (range reduction) syntax element present | |||
| ///< at frame level | |||
| int res_rtm_flag; ///< reserved, set to 1 | |||
| int reserved; ///< reserved | |||
| //@} | |||
| /** Advanced Profile */ | |||
| //@{ | |||
| int level; ///< 3bits, for Advanced/Simple Profile, provided by TS layer | |||
| int chromaformat; ///< 2bits, 2=4:2:0, only defined | |||
| int postprocflag; ///< Per-frame processing suggestion flag present | |||
| int broadcast; ///< TFF/RFF present | |||
| int interlace; ///< Progressive/interlaced (RPTFTM syntax element) | |||
| int tfcntrflag; ///< TFCNTR present | |||
| int panscanflag; ///< NUMPANSCANWIN, TOPLEFT{X,Y}, BOTRIGHT{X,Y} present | |||
| int extended_dmv; ///< Additional extended dmv range at P/B frame-level | |||
| int color_prim; ///< 8bits, chroma coordinates of the color primaries | |||
| int transfer_char; ///< 8bits, Opto-electronic transfer characteristics | |||
| int matrix_coef; ///< 8bits, Color primaries->YCbCr transform matrix | |||
| int hrd_param_flag; ///< Presence of Hypothetical Reference | |||
| ///< Decoder parameters | |||
| int psf; ///< Progressive Segmented Frame | |||
| //@} | |||
| /** Sequence header data for all Profiles | |||
| * TODO: choose between ints, uint8_ts and monobit flags | |||
| */ | |||
| //@{ | |||
| int profile; ///< 2bits, Profile | |||
| int frmrtq_postproc; ///< 3bits, | |||
| int bitrtq_postproc; ///< 5bits, quantized framerate-based postprocessing strength | |||
| int fastuvmc; ///< Rounding of qpel vector to hpel ? (not in Simple) | |||
| int extended_mv; ///< Ext MV in P/B (not in Simple) | |||
| int dquant; ///< How qscale varies with MBs, 2bits (not in Simple) | |||
| int vstransform; ///< variable-size [48]x[48] transform type + info | |||
| int overlap; ///< overlapped transforms in use | |||
| int quantizer_mode; ///< 2bits, quantizer mode used for sequence, see QUANT_* | |||
| int finterpflag; ///< INTERPFRM present | |||
| //@} | |||
| /** Frame decoding info for all profiles */ | |||
| //@{ | |||
| uint8_t mv_mode; ///< MV coding monde | |||
| uint8_t mv_mode2; ///< Secondary MV coding mode (B frames) | |||
| int k_x; ///< Number of bits for MVs (depends on MV range) | |||
| int k_y; ///< Number of bits for MVs (depends on MV range) | |||
| int range_x, range_y; ///< MV range | |||
| uint8_t pq, altpq; ///< Current/alternate frame quantizer scale | |||
| /** pquant parameters */ | |||
| //@{ | |||
| uint8_t dquantfrm; | |||
| uint8_t dqprofile; | |||
| uint8_t dqsbedge; | |||
| uint8_t dqbilevel; | |||
| //@} | |||
| /** AC coding set indexes | |||
| * @see 8.1.1.10, p(1)10 | |||
| */ | |||
| //@{ | |||
| int c_ac_table_index; ///< Chroma index from ACFRM element | |||
| int y_ac_table_index; ///< Luma index from AC2FRM element | |||
| //@} | |||
| int ttfrm; ///< Transform type info present at frame level | |||
| uint8_t ttmbf; ///< Transform type flag | |||
| uint8_t ttblk4x4; ///< Value of ttblk which indicates a 4x4 transform | |||
| int codingset; ///< index of current table set from 11.8 to use for luma block decoding | |||
| int codingset2; ///< index of current table set from 11.8 to use for chroma block decoding | |||
| int pqindex; ///< raw pqindex used in coding set selection | |||
| int a_avail, c_avail; | |||
| uint8_t *mb_type_base, *mb_type[3]; | |||
| /** Luma compensation parameters */ | |||
| //@{ | |||
| uint8_t lumscale; | |||
| uint8_t lumshift; | |||
| //@} | |||
| int16_t bfraction; ///< Relative position % anchors=> how to scale MVs | |||
| uint8_t halfpq; ///< Uniform quant over image and qp+.5 | |||
| uint8_t respic; ///< Frame-level flag for resized images | |||
| int buffer_fullness; ///< HRD info | |||
| /** Ranges: | |||
| * -# 0 -> [-64n 63.f] x [-32, 31.f] | |||
| * -# 1 -> [-128, 127.f] x [-64, 63.f] | |||
| * -# 2 -> [-512, 511.f] x [-128, 127.f] | |||
| * -# 3 -> [-1024, 1023.f] x [-256, 255.f] | |||
| */ | |||
| uint8_t mvrange; | |||
| uint8_t pquantizer; ///< Uniform (over sequence) quantizer in use | |||
| VLC *cbpcy_vlc; ///< CBPCY VLC table | |||
| int tt_index; ///< Index for Transform Type tables | |||
| uint8_t* mv_type_mb_plane; ///< bitplane for mv_type == (4MV) | |||
| uint8_t* direct_mb_plane; ///< bitplane for "direct" MBs | |||
| int mv_type_is_raw; ///< mv type mb plane is not coded | |||
| int dmb_is_raw; ///< direct mb plane is raw | |||
| int skip_is_raw; ///< skip mb plane is not coded | |||
| uint8_t luty[256], lutuv[256]; // lookup tables used for intensity compensation | |||
| int use_ic; ///< use intensity compensation in B-frames | |||
| int rnd; ///< rounding control | |||
| /** Frame decoding info for S/M profiles only */ | |||
| //@{ | |||
| uint8_t rangeredfrm; ///< out_sample = CLIP((in_sample-128)*2+128) | |||
| uint8_t interpfrm; | |||
| //@} | |||
| /** Frame decoding info for Advanced profile */ | |||
| //@{ | |||
| uint8_t fcm; ///< 0->Progressive, 2->Frame-Interlace, 3->Field-Interlace | |||
| uint8_t numpanscanwin; | |||
| uint8_t tfcntr; | |||
| uint8_t rptfrm, tff, rff; | |||
| uint16_t topleftx; | |||
| uint16_t toplefty; | |||
| uint16_t bottomrightx; | |||
| uint16_t bottomrighty; | |||
| uint8_t uvsamp; | |||
| uint8_t postproc; | |||
| int hrd_num_leaky_buckets; | |||
| uint8_t bit_rate_exponent; | |||
| uint8_t buffer_size_exponent; | |||
| uint8_t* acpred_plane; ///< AC prediction flags bitplane | |||
| int acpred_is_raw; | |||
| uint8_t* over_flags_plane; ///< Overflags bitplane | |||
| int overflg_is_raw; | |||
| uint8_t condover; | |||
| uint16_t *hrd_rate, *hrd_buffer; | |||
| uint8_t *hrd_fullness; | |||
| uint8_t range_mapy_flag; | |||
| uint8_t range_mapuv_flag; | |||
| uint8_t range_mapy; | |||
| uint8_t range_mapuv; | |||
| //@} | |||
| int p_frame_skipped; | |||
| int bi_type; | |||
| } VC1Context; | |||
| /** | |||
| * Get unary code of limited length | |||
+ 328
- 0
libavcodec/vc1.h
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| @@ -34,3 +34,331 @@ enum VC1Code{ | |||
| //@} | |||
| #define IS_MARKER(x) (((x) & ~0xFF) == VC1_CODE_RES0) | |||
| /** Available Profiles */ | |||
| //@{ | |||
| enum Profile { | |||
| PROFILE_SIMPLE, | |||
| PROFILE_MAIN, | |||
| PROFILE_COMPLEX, ///< TODO: WMV9 specific | |||
| PROFILE_ADVANCED | |||
| }; | |||
| //@} | |||
| /** Sequence quantizer mode */ | |||
| //@{ | |||
| enum QuantMode { | |||
| QUANT_FRAME_IMPLICIT, ///< Implicitly specified at frame level | |||
| QUANT_FRAME_EXPLICIT, ///< Explicitly specified at frame level | |||
| QUANT_NON_UNIFORM, ///< Non-uniform quant used for all frames | |||
| QUANT_UNIFORM ///< Uniform quant used for all frames | |||
| }; | |||
| //@} | |||
| /** Where quant can be changed */ | |||
| //@{ | |||
| enum DQProfile { | |||
| DQPROFILE_FOUR_EDGES, | |||
| DQPROFILE_DOUBLE_EDGES, | |||
| DQPROFILE_SINGLE_EDGE, | |||
| DQPROFILE_ALL_MBS | |||
| }; | |||
| //@} | |||
| /** @name Where quant can be changed | |||
| */ | |||
| //@{ | |||
| enum DQSingleEdge { | |||
| DQSINGLE_BEDGE_LEFT, | |||
| DQSINGLE_BEDGE_TOP, | |||
| DQSINGLE_BEDGE_RIGHT, | |||
| DQSINGLE_BEDGE_BOTTOM | |||
| }; | |||
| //@} | |||
| /** Which pair of edges is quantized with ALTPQUANT */ | |||
| //@{ | |||
| enum DQDoubleEdge { | |||
| DQDOUBLE_BEDGE_TOPLEFT, | |||
| DQDOUBLE_BEDGE_TOPRIGHT, | |||
| DQDOUBLE_BEDGE_BOTTOMRIGHT, | |||
| DQDOUBLE_BEDGE_BOTTOMLEFT | |||
| }; | |||
| //@} | |||
| /** MV modes for P frames */ | |||
| //@{ | |||
| enum MVModes { | |||
| MV_PMODE_1MV_HPEL_BILIN, | |||
| MV_PMODE_1MV, | |||
| MV_PMODE_1MV_HPEL, | |||
| MV_PMODE_MIXED_MV, | |||
| MV_PMODE_INTENSITY_COMP | |||
| }; | |||
| //@} | |||
| /** @name MV types for B frames */ | |||
| //@{ | |||
| enum BMVTypes { | |||
| BMV_TYPE_BACKWARD, | |||
| BMV_TYPE_FORWARD, | |||
| BMV_TYPE_INTERPOLATED | |||
| }; | |||
| //@} | |||
| /** @name Block types for P/B frames */ | |||
| //@{ | |||
| enum TransformTypes { | |||
| TT_8X8, | |||
| TT_8X4_BOTTOM, | |||
| TT_8X4_TOP, | |||
| TT_8X4, //Both halves | |||
| TT_4X8_RIGHT, | |||
| TT_4X8_LEFT, | |||
| TT_4X8, //Both halves | |||
| TT_4X4 | |||
| }; | |||
| //@} | |||
| /** Table for conversion between TTBLK and TTMB */ | |||
| static const int ttblk_to_tt[3][8] = { | |||
| { TT_8X4, TT_4X8, TT_8X8, TT_4X4, TT_8X4_TOP, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT }, | |||
| { TT_8X8, TT_4X8_RIGHT, TT_4X8_LEFT, TT_4X4, TT_8X4, TT_4X8, TT_8X4_BOTTOM, TT_8X4_TOP }, | |||
| { TT_8X8, TT_4X8, TT_4X4, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT, TT_8X4, TT_8X4_TOP } | |||
| }; | |||
| static const int ttfrm_to_tt[4] = { TT_8X8, TT_8X4, TT_4X8, TT_4X4 }; | |||
| /** MV P mode - the 5th element is only used for mode 1 */ | |||
| static const uint8_t mv_pmode_table[2][5] = { | |||
| { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_MIXED_MV }, | |||
| { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_1MV_HPEL_BILIN } | |||
| }; | |||
| static const uint8_t mv_pmode_table2[2][4] = { | |||
| { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_MIXED_MV }, | |||
| { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_1MV_HPEL_BILIN } | |||
| }; | |||
| /** One more frame type */ | |||
| #define BI_TYPE 7 | |||
| static const int fps_nr[5] = { 24, 25, 30, 50, 60 }, | |||
| fps_dr[2] = { 1000, 1001 }; | |||
| static const uint8_t pquant_table[3][32] = { | |||
| { /* Implicit quantizer */ | |||
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 6, 7, 8, 9, 10, 11, 12, | |||
| 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 29, 31 | |||
| }, | |||
| { /* Explicit quantizer, pquantizer uniform */ | |||
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |||
| 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 | |||
| }, | |||
| { /* Explicit quantizer, pquantizer non-uniform */ | |||
| 0, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, | |||
| 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 31 | |||
| } | |||
| }; | |||
| /** @name VC-1 VLC tables and defines | |||
| * @todo TODO move this into the context | |||
| */ | |||
| //@{ | |||
| #define VC1_BFRACTION_VLC_BITS 7 | |||
| static VLC vc1_bfraction_vlc; | |||
| #define VC1_IMODE_VLC_BITS 4 | |||
| static VLC vc1_imode_vlc; | |||
| #define VC1_NORM2_VLC_BITS 3 | |||
| static VLC vc1_norm2_vlc; | |||
| #define VC1_NORM6_VLC_BITS 9 | |||
| static VLC vc1_norm6_vlc; | |||
| /* Could be optimized, one table only needs 8 bits */ | |||
| #define VC1_TTMB_VLC_BITS 9 //12 | |||
| static VLC vc1_ttmb_vlc[3]; | |||
| #define VC1_MV_DIFF_VLC_BITS 9 //15 | |||
| static VLC vc1_mv_diff_vlc[4]; | |||
| #define VC1_CBPCY_P_VLC_BITS 9 //14 | |||
| static VLC vc1_cbpcy_p_vlc[4]; | |||
| #define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6 | |||
| static VLC vc1_4mv_block_pattern_vlc[4]; | |||
| #define VC1_TTBLK_VLC_BITS 5 | |||
| static VLC vc1_ttblk_vlc[3]; | |||
| #define VC1_SUBBLKPAT_VLC_BITS 6 | |||
| static VLC vc1_subblkpat_vlc[3]; | |||
| static VLC vc1_ac_coeff_table[8]; | |||
| //@} | |||
| enum CodingSet { | |||
| CS_HIGH_MOT_INTRA = 0, | |||
| CS_HIGH_MOT_INTER, | |||
| CS_LOW_MOT_INTRA, | |||
| CS_LOW_MOT_INTER, | |||
| CS_MID_RATE_INTRA, | |||
| CS_MID_RATE_INTER, | |||
| CS_HIGH_RATE_INTRA, | |||
| CS_HIGH_RATE_INTER | |||
| }; | |||
| /** @name Overlap conditions for Advanced Profile */ | |||
| //@{ | |||
| enum COTypes { | |||
| CONDOVER_NONE = 0, | |||
| CONDOVER_ALL, | |||
| CONDOVER_SELECT | |||
| }; | |||
| //@} | |||
| /** The VC1 Context | |||
| * @fixme Change size wherever another size is more efficient | |||
| * Many members are only used for Advanced Profile | |||
| */ | |||
| typedef struct VC1Context{ | |||
| MpegEncContext s; | |||
| int bits; | |||
| /** Simple/Main Profile sequence header */ | |||
| //@{ | |||
| int res_sm; ///< reserved, 2b | |||
| int res_x8; ///< reserved | |||
| int multires; ///< frame-level RESPIC syntax element present | |||
| int res_fasttx; ///< reserved, always 1 | |||
| int res_transtab; ///< reserved, always 0 | |||
| int rangered; ///< RANGEREDFRM (range reduction) syntax element present | |||
| ///< at frame level | |||
| int res_rtm_flag; ///< reserved, set to 1 | |||
| int reserved; ///< reserved | |||
| //@} | |||
| /** Advanced Profile */ | |||
| //@{ | |||
| int level; ///< 3bits, for Advanced/Simple Profile, provided by TS layer | |||
| int chromaformat; ///< 2bits, 2=4:2:0, only defined | |||
| int postprocflag; ///< Per-frame processing suggestion flag present | |||
| int broadcast; ///< TFF/RFF present | |||
| int interlace; ///< Progressive/interlaced (RPTFTM syntax element) | |||
| int tfcntrflag; ///< TFCNTR present | |||
| int panscanflag; ///< NUMPANSCANWIN, TOPLEFT{X,Y}, BOTRIGHT{X,Y} present | |||
| int extended_dmv; ///< Additional extended dmv range at P/B frame-level | |||
| int color_prim; ///< 8bits, chroma coordinates of the color primaries | |||
| int transfer_char; ///< 8bits, Opto-electronic transfer characteristics | |||
| int matrix_coef; ///< 8bits, Color primaries->YCbCr transform matrix | |||
| int hrd_param_flag; ///< Presence of Hypothetical Reference | |||
| ///< Decoder parameters | |||
| int psf; ///< Progressive Segmented Frame | |||
| //@} | |||
| /** Sequence header data for all Profiles | |||
| * TODO: choose between ints, uint8_ts and monobit flags | |||
| */ | |||
| //@{ | |||
| int profile; ///< 2bits, Profile | |||
| int frmrtq_postproc; ///< 3bits, | |||
| int bitrtq_postproc; ///< 5bits, quantized framerate-based postprocessing strength | |||
| int fastuvmc; ///< Rounding of qpel vector to hpel ? (not in Simple) | |||
| int extended_mv; ///< Ext MV in P/B (not in Simple) | |||
| int dquant; ///< How qscale varies with MBs, 2bits (not in Simple) | |||
| int vstransform; ///< variable-size [48]x[48] transform type + info | |||
| int overlap; ///< overlapped transforms in use | |||
| int quantizer_mode; ///< 2bits, quantizer mode used for sequence, see QUANT_* | |||
| int finterpflag; ///< INTERPFRM present | |||
| //@} | |||
| /** Frame decoding info for all profiles */ | |||
| //@{ | |||
| uint8_t mv_mode; ///< MV coding monde | |||
| uint8_t mv_mode2; ///< Secondary MV coding mode (B frames) | |||
| int k_x; ///< Number of bits for MVs (depends on MV range) | |||
| int k_y; ///< Number of bits for MVs (depends on MV range) | |||
| int range_x, range_y; ///< MV range | |||
| uint8_t pq, altpq; ///< Current/alternate frame quantizer scale | |||
| /** pquant parameters */ | |||
| //@{ | |||
| uint8_t dquantfrm; | |||
| uint8_t dqprofile; | |||
| uint8_t dqsbedge; | |||
| uint8_t dqbilevel; | |||
| //@} | |||
| /** AC coding set indexes | |||
| * @see 8.1.1.10, p(1)10 | |||
| */ | |||
| //@{ | |||
| int c_ac_table_index; ///< Chroma index from ACFRM element | |||
| int y_ac_table_index; ///< Luma index from AC2FRM element | |||
| //@} | |||
| int ttfrm; ///< Transform type info present at frame level | |||
| uint8_t ttmbf; ///< Transform type flag | |||
| uint8_t ttblk4x4; ///< Value of ttblk which indicates a 4x4 transform | |||
| int codingset; ///< index of current table set from 11.8 to use for luma block decoding | |||
| int codingset2; ///< index of current table set from 11.8 to use for chroma block decoding | |||
| int pqindex; ///< raw pqindex used in coding set selection | |||
| int a_avail, c_avail; | |||
| uint8_t *mb_type_base, *mb_type[3]; | |||
| /** Luma compensation parameters */ | |||
| //@{ | |||
| uint8_t lumscale; | |||
| uint8_t lumshift; | |||
| //@} | |||
| int16_t bfraction; ///< Relative position % anchors=> how to scale MVs | |||
| uint8_t halfpq; ///< Uniform quant over image and qp+.5 | |||
| uint8_t respic; ///< Frame-level flag for resized images | |||
| int buffer_fullness; ///< HRD info | |||
| /** Ranges: | |||
| * -# 0 -> [-64n 63.f] x [-32, 31.f] | |||
| * -# 1 -> [-128, 127.f] x [-64, 63.f] | |||
| * -# 2 -> [-512, 511.f] x [-128, 127.f] | |||
| * -# 3 -> [-1024, 1023.f] x [-256, 255.f] | |||
| */ | |||
| uint8_t mvrange; | |||
| uint8_t pquantizer; ///< Uniform (over sequence) quantizer in use | |||
| VLC *cbpcy_vlc; ///< CBPCY VLC table | |||
| int tt_index; ///< Index for Transform Type tables | |||
| uint8_t* mv_type_mb_plane; ///< bitplane for mv_type == (4MV) | |||
| uint8_t* direct_mb_plane; ///< bitplane for "direct" MBs | |||
| int mv_type_is_raw; ///< mv type mb plane is not coded | |||
| int dmb_is_raw; ///< direct mb plane is raw | |||
| int skip_is_raw; ///< skip mb plane is not coded | |||
| uint8_t luty[256], lutuv[256]; // lookup tables used for intensity compensation | |||
| int use_ic; ///< use intensity compensation in B-frames | |||
| int rnd; ///< rounding control | |||
| /** Frame decoding info for S/M profiles only */ | |||
| //@{ | |||
| uint8_t rangeredfrm; ///< out_sample = CLIP((in_sample-128)*2+128) | |||
| uint8_t interpfrm; | |||
| //@} | |||
| /** Frame decoding info for Advanced profile */ | |||
| //@{ | |||
| uint8_t fcm; ///< 0->Progressive, 2->Frame-Interlace, 3->Field-Interlace | |||
| uint8_t numpanscanwin; | |||
| uint8_t tfcntr; | |||
| uint8_t rptfrm, tff, rff; | |||
| uint16_t topleftx; | |||
| uint16_t toplefty; | |||
| uint16_t bottomrightx; | |||
| uint16_t bottomrighty; | |||
| uint8_t uvsamp; | |||
| uint8_t postproc; | |||
| int hrd_num_leaky_buckets; | |||
| uint8_t bit_rate_exponent; | |||
| uint8_t buffer_size_exponent; | |||
| uint8_t* acpred_plane; ///< AC prediction flags bitplane | |||
| int acpred_is_raw; | |||
| uint8_t* over_flags_plane; ///< Overflags bitplane | |||
| int overflg_is_raw; | |||
| uint8_t condover; | |||
| uint16_t *hrd_rate, *hrd_buffer; | |||
| uint8_t *hrd_fullness; | |||
| uint8_t range_mapy_flag; | |||
| uint8_t range_mapuv_flag; | |||
| uint8_t range_mapy; | |||
| uint8_t range_mapuv; | |||
| //@} | |||
| int p_frame_skipped; | |||
| int bi_type; | |||
| } VC1Context; | |||