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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/trunk
This commit is contained in:
Kostya Shishkov
parent
b0caf888d2
commit
7d9a6a0fc3
327
libavcodec/vc1.c
327
libavcodec/vc1.c
@ -47,333 +47,6 @@ extern const uint16_t ff_msmp4_mb_i_table[64][2];
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#define AC_VLC_BITS 9
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static const uint16_t table_mb_intra[64][2];
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/** Available Profiles */
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//@{
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enum Profile {
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PROFILE_SIMPLE,
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PROFILE_MAIN,
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PROFILE_COMPLEX, ///< TODO: WMV9 specific
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PROFILE_ADVANCED
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};
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//@}
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/** Sequence quantizer mode */
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//@{
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enum QuantMode {
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QUANT_FRAME_IMPLICIT, ///< Implicitly specified at frame level
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QUANT_FRAME_EXPLICIT, ///< Explicitly specified at frame level
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QUANT_NON_UNIFORM, ///< Non-uniform quant used for all frames
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QUANT_UNIFORM ///< Uniform quant used for all frames
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};
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//@}
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/** Where quant can be changed */
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//@{
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enum DQProfile {
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DQPROFILE_FOUR_EDGES,
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DQPROFILE_DOUBLE_EDGES,
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DQPROFILE_SINGLE_EDGE,
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DQPROFILE_ALL_MBS
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};
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//@}
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/** @name Where quant can be changed
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*/
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//@{
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enum DQSingleEdge {
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DQSINGLE_BEDGE_LEFT,
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DQSINGLE_BEDGE_TOP,
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DQSINGLE_BEDGE_RIGHT,
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DQSINGLE_BEDGE_BOTTOM
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};
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//@}
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/** Which pair of edges is quantized with ALTPQUANT */
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//@{
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enum DQDoubleEdge {
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DQDOUBLE_BEDGE_TOPLEFT,
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DQDOUBLE_BEDGE_TOPRIGHT,
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DQDOUBLE_BEDGE_BOTTOMRIGHT,
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DQDOUBLE_BEDGE_BOTTOMLEFT
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};
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//@}
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/** MV modes for P frames */
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//@{
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enum MVModes {
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MV_PMODE_1MV_HPEL_BILIN,
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MV_PMODE_1MV,
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MV_PMODE_1MV_HPEL,
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MV_PMODE_MIXED_MV,
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MV_PMODE_INTENSITY_COMP
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};
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//@}
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/** @name MV types for B frames */
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//@{
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enum BMVTypes {
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BMV_TYPE_BACKWARD,
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BMV_TYPE_FORWARD,
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BMV_TYPE_INTERPOLATED
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};
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//@}
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/** @name Block types for P/B frames */
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//@{
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enum TransformTypes {
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TT_8X8,
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TT_8X4_BOTTOM,
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TT_8X4_TOP,
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TT_8X4, //Both halves
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TT_4X8_RIGHT,
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TT_4X8_LEFT,
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TT_4X8, //Both halves
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TT_4X4
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};
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//@}
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/** Table for conversion between TTBLK and TTMB */
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static const int ttblk_to_tt[3][8] = {
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{ TT_8X4, TT_4X8, TT_8X8, TT_4X4, TT_8X4_TOP, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT },
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{ TT_8X8, TT_4X8_RIGHT, TT_4X8_LEFT, TT_4X4, TT_8X4, TT_4X8, TT_8X4_BOTTOM, TT_8X4_TOP },
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{ TT_8X8, TT_4X8, TT_4X4, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT, TT_8X4, TT_8X4_TOP }
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};
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static const int ttfrm_to_tt[4] = { TT_8X8, TT_8X4, TT_4X8, TT_4X4 };
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/** MV P mode - the 5th element is only used for mode 1 */
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static const uint8_t mv_pmode_table[2][5] = {
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{ MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_MIXED_MV },
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{ MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_1MV_HPEL_BILIN }
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};
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static const uint8_t mv_pmode_table2[2][4] = {
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{ MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_MIXED_MV },
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{ MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_1MV_HPEL_BILIN }
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};
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/** One more frame type */
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#define BI_TYPE 7
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static const int fps_nr[5] = { 24, 25, 30, 50, 60 },
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fps_dr[2] = { 1000, 1001 };
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static const uint8_t pquant_table[3][32] = {
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{ /* Implicit quantizer */
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0, 1, 2, 3, 4, 5, 6, 7, 8, 6, 7, 8, 9, 10, 11, 12,
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13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 29, 31
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},
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{ /* Explicit quantizer, pquantizer uniform */
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
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},
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{ /* Explicit quantizer, pquantizer non-uniform */
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0, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
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14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 31
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}
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};
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/** @name VC-1 VLC tables and defines
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* @todo TODO move this into the context
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*/
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//@{
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#define VC1_BFRACTION_VLC_BITS 7
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static VLC vc1_bfraction_vlc;
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#define VC1_IMODE_VLC_BITS 4
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static VLC vc1_imode_vlc;
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#define VC1_NORM2_VLC_BITS 3
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static VLC vc1_norm2_vlc;
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#define VC1_NORM6_VLC_BITS 9
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static VLC vc1_norm6_vlc;
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/* Could be optimized, one table only needs 8 bits */
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#define VC1_TTMB_VLC_BITS 9 //12
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static VLC vc1_ttmb_vlc[3];
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#define VC1_MV_DIFF_VLC_BITS 9 //15
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static VLC vc1_mv_diff_vlc[4];
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#define VC1_CBPCY_P_VLC_BITS 9 //14
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static VLC vc1_cbpcy_p_vlc[4];
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#define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6
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static VLC vc1_4mv_block_pattern_vlc[4];
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#define VC1_TTBLK_VLC_BITS 5
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static VLC vc1_ttblk_vlc[3];
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#define VC1_SUBBLKPAT_VLC_BITS 6
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static VLC vc1_subblkpat_vlc[3];
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static VLC vc1_ac_coeff_table[8];
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//@}
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enum CodingSet {
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CS_HIGH_MOT_INTRA = 0,
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CS_HIGH_MOT_INTER,
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CS_LOW_MOT_INTRA,
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CS_LOW_MOT_INTER,
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CS_MID_RATE_INTRA,
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CS_MID_RATE_INTER,
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CS_HIGH_RATE_INTRA,
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CS_HIGH_RATE_INTER
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};
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/** @name Overlap conditions for Advanced Profile */
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//@{
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enum COTypes {
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CONDOVER_NONE = 0,
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CONDOVER_ALL,
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CONDOVER_SELECT
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};
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//@}
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/** The VC1 Context
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* @fixme Change size wherever another size is more efficient
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* Many members are only used for Advanced Profile
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*/
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typedef struct VC1Context{
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MpegEncContext s;
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int bits;
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/** Simple/Main Profile sequence header */
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//@{
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int res_sm; ///< reserved, 2b
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int res_x8; ///< reserved
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int multires; ///< frame-level RESPIC syntax element present
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int res_fasttx; ///< reserved, always 1
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int res_transtab; ///< reserved, always 0
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int rangered; ///< RANGEREDFRM (range reduction) syntax element present
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///< at frame level
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int res_rtm_flag; ///< reserved, set to 1
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int reserved; ///< reserved
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//@}
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/** Advanced Profile */
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//@{
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int level; ///< 3bits, for Advanced/Simple Profile, provided by TS layer
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int chromaformat; ///< 2bits, 2=4:2:0, only defined
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int postprocflag; ///< Per-frame processing suggestion flag present
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int broadcast; ///< TFF/RFF present
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int interlace; ///< Progressive/interlaced (RPTFTM syntax element)
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int tfcntrflag; ///< TFCNTR present
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int panscanflag; ///< NUMPANSCANWIN, TOPLEFT{X,Y}, BOTRIGHT{X,Y} present
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int extended_dmv; ///< Additional extended dmv range at P/B frame-level
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int color_prim; ///< 8bits, chroma coordinates of the color primaries
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int transfer_char; ///< 8bits, Opto-electronic transfer characteristics
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int matrix_coef; ///< 8bits, Color primaries->YCbCr transform matrix
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int hrd_param_flag; ///< Presence of Hypothetical Reference
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///< Decoder parameters
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int psf; ///< Progressive Segmented Frame
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//@}
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/** Sequence header data for all Profiles
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* TODO: choose between ints, uint8_ts and monobit flags
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*/
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//@{
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int profile; ///< 2bits, Profile
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int frmrtq_postproc; ///< 3bits,
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int bitrtq_postproc; ///< 5bits, quantized framerate-based postprocessing strength
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int fastuvmc; ///< Rounding of qpel vector to hpel ? (not in Simple)
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int extended_mv; ///< Ext MV in P/B (not in Simple)
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int dquant; ///< How qscale varies with MBs, 2bits (not in Simple)
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int vstransform; ///< variable-size [48]x[48] transform type + info
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int overlap; ///< overlapped transforms in use
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int quantizer_mode; ///< 2bits, quantizer mode used for sequence, see QUANT_*
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int finterpflag; ///< INTERPFRM present
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//@}
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/** Frame decoding info for all profiles */
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//@{
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uint8_t mv_mode; ///< MV coding monde
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uint8_t mv_mode2; ///< Secondary MV coding mode (B frames)
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int k_x; ///< Number of bits for MVs (depends on MV range)
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int k_y; ///< Number of bits for MVs (depends on MV range)
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int range_x, range_y; ///< MV range
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uint8_t pq, altpq; ///< Current/alternate frame quantizer scale
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/** pquant parameters */
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//@{
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uint8_t dquantfrm;
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uint8_t dqprofile;
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uint8_t dqsbedge;
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uint8_t dqbilevel;
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//@}
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/** AC coding set indexes
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* @see 8.1.1.10, p(1)10
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*/
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//@{
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int c_ac_table_index; ///< Chroma index from ACFRM element
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int y_ac_table_index; ///< Luma index from AC2FRM element
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//@}
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int ttfrm; ///< Transform type info present at frame level
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uint8_t ttmbf; ///< Transform type flag
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uint8_t ttblk4x4; ///< Value of ttblk which indicates a 4x4 transform
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int codingset; ///< index of current table set from 11.8 to use for luma block decoding
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int codingset2; ///< index of current table set from 11.8 to use for chroma block decoding
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int pqindex; ///< raw pqindex used in coding set selection
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int a_avail, c_avail;
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uint8_t *mb_type_base, *mb_type[3];
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/** Luma compensation parameters */
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//@{
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uint8_t lumscale;
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uint8_t lumshift;
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//@}
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int16_t bfraction; ///< Relative position % anchors=> how to scale MVs
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uint8_t halfpq; ///< Uniform quant over image and qp+.5
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uint8_t respic; ///< Frame-level flag for resized images
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int buffer_fullness; ///< HRD info
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/** Ranges:
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* -# 0 -> [-64n 63.f] x [-32, 31.f]
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* -# 1 -> [-128, 127.f] x [-64, 63.f]
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* -# 2 -> [-512, 511.f] x [-128, 127.f]
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* -# 3 -> [-1024, 1023.f] x [-256, 255.f]
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*/
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uint8_t mvrange;
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uint8_t pquantizer; ///< Uniform (over sequence) quantizer in use
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VLC *cbpcy_vlc; ///< CBPCY VLC table
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int tt_index; ///< Index for Transform Type tables
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uint8_t* mv_type_mb_plane; ///< bitplane for mv_type == (4MV)
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uint8_t* direct_mb_plane; ///< bitplane for "direct" MBs
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int mv_type_is_raw; ///< mv type mb plane is not coded
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int dmb_is_raw; ///< direct mb plane is raw
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int skip_is_raw; ///< skip mb plane is not coded
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uint8_t luty[256], lutuv[256]; // lookup tables used for intensity compensation
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int use_ic; ///< use intensity compensation in B-frames
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int rnd; ///< rounding control
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/** Frame decoding info for S/M profiles only */
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//@{
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uint8_t rangeredfrm; ///< out_sample = CLIP((in_sample-128)*2+128)
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uint8_t interpfrm;
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//@}
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/** Frame decoding info for Advanced profile */
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//@{
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uint8_t fcm; ///< 0->Progressive, 2->Frame-Interlace, 3->Field-Interlace
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uint8_t numpanscanwin;
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uint8_t tfcntr;
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uint8_t rptfrm, tff, rff;
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uint16_t topleftx;
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uint16_t toplefty;
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uint16_t bottomrightx;
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uint16_t bottomrighty;
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uint8_t uvsamp;
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uint8_t postproc;
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int hrd_num_leaky_buckets;
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uint8_t bit_rate_exponent;
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uint8_t buffer_size_exponent;
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uint8_t* acpred_plane; ///< AC prediction flags bitplane
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int acpred_is_raw;
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uint8_t* over_flags_plane; ///< Overflags bitplane
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int overflg_is_raw;
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uint8_t condover;
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uint16_t *hrd_rate, *hrd_buffer;
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uint8_t *hrd_fullness;
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uint8_t range_mapy_flag;
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uint8_t range_mapuv_flag;
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uint8_t range_mapy;
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uint8_t range_mapuv;
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//@}
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int p_frame_skipped;
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int bi_type;
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} VC1Context;
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/**
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* Get unary code of limited length
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328
libavcodec/vc1.h
328
libavcodec/vc1.h
@ -34,3 +34,331 @@ enum VC1Code{
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//@}
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#define IS_MARKER(x) (((x) & ~0xFF) == VC1_CODE_RES0)
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/** Available Profiles */
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//@{
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enum Profile {
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PROFILE_SIMPLE,
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PROFILE_MAIN,
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PROFILE_COMPLEX, ///< TODO: WMV9 specific
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PROFILE_ADVANCED
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};
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//@}
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/** Sequence quantizer mode */
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//@{
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enum QuantMode {
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QUANT_FRAME_IMPLICIT, ///< Implicitly specified at frame level
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QUANT_FRAME_EXPLICIT, ///< Explicitly specified at frame level
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QUANT_NON_UNIFORM, ///< Non-uniform quant used for all frames
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QUANT_UNIFORM ///< Uniform quant used for all frames
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};
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//@}
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/** Where quant can be changed */
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//@{
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enum DQProfile {
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DQPROFILE_FOUR_EDGES,
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DQPROFILE_DOUBLE_EDGES,
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DQPROFILE_SINGLE_EDGE,
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DQPROFILE_ALL_MBS
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};
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//@}
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/** @name Where quant can be changed
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*/
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//@{
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enum DQSingleEdge {
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DQSINGLE_BEDGE_LEFT,
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DQSINGLE_BEDGE_TOP,
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DQSINGLE_BEDGE_RIGHT,
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DQSINGLE_BEDGE_BOTTOM
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};
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//@}
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/** Which pair of edges is quantized with ALTPQUANT */
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//@{
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enum DQDoubleEdge {
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DQDOUBLE_BEDGE_TOPLEFT,
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DQDOUBLE_BEDGE_TOPRIGHT,
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DQDOUBLE_BEDGE_BOTTOMRIGHT,
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DQDOUBLE_BEDGE_BOTTOMLEFT
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};
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//@}
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/** MV modes for P frames */
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//@{
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enum MVModes {
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MV_PMODE_1MV_HPEL_BILIN,
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MV_PMODE_1MV,
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MV_PMODE_1MV_HPEL,
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MV_PMODE_MIXED_MV,
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MV_PMODE_INTENSITY_COMP
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};
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//@}
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/** @name MV types for B frames */
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//@{
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enum BMVTypes {
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BMV_TYPE_BACKWARD,
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BMV_TYPE_FORWARD,
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BMV_TYPE_INTERPOLATED
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};
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//@}
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/** @name Block types for P/B frames */
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//@{
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enum TransformTypes {
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TT_8X8,
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TT_8X4_BOTTOM,
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TT_8X4_TOP,
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TT_8X4, //Both halves
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TT_4X8_RIGHT,
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TT_4X8_LEFT,
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TT_4X8, //Both halves
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TT_4X4
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};
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//@}
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/** Table for conversion between TTBLK and TTMB */
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static const int ttblk_to_tt[3][8] = {
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{ 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;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user