schroedinger/schroparams.h

   1
   2 #ifndef __SCHRO_PARAMS_H__
   3 #define __SCHRO_PARAMS_H__
   4
   5 #include <schroedinger/schroutils.h>
   6 #include <schroedinger/schrobitstream.h>
   7 #include <schroedinger/schroframe.h>
   8 #include <schroedinger/schrolimits.h>
   9 #include <schroedinger/schrovideoformat.h>
  10
  11 SCHRO_BEGIN_DECLS
  12
  13 typedef struct _SchroParams SchroParams;
  14 typedef struct _SchroGlobalMotion SchroGlobalMotion;
  15
  16 #ifdef SCHRO_ENABLE_UNSTABLE_API
  17
  18 struct _SchroGlobalMotion {
  19   int b0;
  20   int b1;
  21   int a_exp;
  22   int a00;
  23   int a01;
  24   int a10;
  25   int a11;
  26   int c_exp;
  27   int c0;
  28   int c1;
  29 };
  30
  31 struct _SchroParams {
  32   /*< private >*/
  33   SchroVideoFormat *video_format;
  34   int is_noarith;
  35
  36   /* transform parameters */
  37   int wavelet_filter_index;
  38   int transform_depth;
  39   int horiz_codeblocks[SCHRO_LIMIT_TRANSFORM_DEPTH + 1];
  40   int vert_codeblocks[SCHRO_LIMIT_TRANSFORM_DEPTH + 1];
  41   int codeblock_mode_index;
  42
  43   /* motion prediction parameters */
  44   int num_refs;
  45   int have_global_motion; /* using_global_motion */
  46   int xblen_luma;
  47   int yblen_luma;
  48   int xbsep_luma;
  49   int ybsep_luma;
  50   int mv_precision;
  51   SchroGlobalMotion global_motion[2];
  52   int picture_pred_mode;
  53   int picture_weight_bits;
  54   int picture_weight_1;
  55   int picture_weight_2;
  56
  57   /* DiracPro parameters */
  58   int is_lowdelay;
  59   int n_horiz_slices; /* slices_x */
  60   int n_vert_slices; /* slices_y */
  61   int slice_bytes_num;
  62   int slice_bytes_denom;
  63   int quant_matrix[3*SCHRO_LIMIT_TRANSFORM_DEPTH+1];
  64
  65   /* calculated sizes */
  66   int iwt_chroma_width;
  67   int iwt_chroma_height;
  68   int iwt_luma_width;
  69   int iwt_luma_height;
  70   int x_num_blocks;
  71   int y_num_blocks;
  72   int x_offset;
  73   int y_offset;
  74 };
  75
  76 #define SCHRO_SUBBAND_IS_HORIZONTALLY_ORIENTED(position) (((position)&3) == 2)
  77 #define SCHRO_SUBBAND_IS_VERTICALLY_ORIENTED(position) (((position)&3) == 1)
  78 #define SCHRO_SUBBAND_IS_DIAGONALLY_ORIENTED(position) (((position)&3) == 3)
  79 #define SCHRO_SUBBAND_SHIFT(position) ((position)>>2)
  80
  81 extern const int schro_tables_lowdelay_quants[7][4][9];
  82
  83 void schro_params_init (SchroParams *params, int video_format);
  84
  85 void schro_params_calculate_iwt_sizes (SchroParams *params);
  86 void schro_params_calculate_mc_sizes (SchroParams *params);
  87
  88 int schro_params_set_block_params (SchroParams *params, int index);
  89 int schro_params_get_block_params (SchroParams *params);
  90 int schro_params_verify_block_params (SchroParams *params);
  91
  92 void schro_params_set_default_codeblock (SchroParams *params);
  93 schro_bool schro_params_is_default_codeblock (SchroParams *params);
  94
  95 void schro_subband_get_frame_data (SchroFrameData *dest,
  96     SchroFrame *frame, int component, int position, SchroParams *params);
  97 int schro_subband_get_position (int index);
  98 void schro_params_set_default_quant_matrix (SchroParams *params);
  99 schro_bool schro_params_is_default_quant_matrix (SchroParams *params);
 100
 101 /* FIXME should be SchroFrameFormat */
 102 int schro_params_get_frame_format (int depth,
 103     SchroChromaFormat chroma_format);
 104
 105 /* FIXME should be moved */
 106 void schro_frame_iwt_transform (SchroFrame *frame, SchroParams *params);
 107
 108 #endif
 109
 110 SCHRO_END_DECLS
 111
 112 #endif
 113