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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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- 327
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 | #define AC_VLC_BITS 9 | ||||
| static const uint16_t table_mb_intra[64][2]; | 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 | * 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) | #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; | |||||