GLvideo_params.h

   1 #ifndef __GLVIDEO_PARAMS_H
   2 #define __GLVIDEO_PARAMS_H
   3
   4 #include <QtCore>
   5
   6 enum OSDmode {
   7         OSD_NONE = 0,
   8         OSD_FRAMENUM,
   9         OSD_CAPTION,
  10         OSD_MAX,
  11 };
  12
  13 inline
  14 OSDmode& operator++(OSDmode& l)
  15 {
  16         l = (OSDmode) ((l + 1) % OSD_MAX);
  17         return l;
  18 }
  19
  20 inline
  21 std::istream& operator>>(std::istream& s, OSDmode& m)
  22 {
  23         s >> (unsigned int &)m;
  24         return s;
  25 }
  26
  27 struct GLvideo_params {
  28         int frame_repeats;
  29
  30         bool osd_valid;
  31         QString font_file;
  32         QString caption;
  33         float osd_scale;
  34         OSDmode osd_bot;
  35         bool osd_perf;
  36         float osd_back_alpha;
  37         float osd_text_alpha;
  38
  39         /* offset1 is the offset applied to src video
  40          * offset1 result is multiplied by mul
  41          * offset2 is then added */
  42         bool matrix_valid;
  43         int input_luma_range;
  44         int input_luma_blacklevel;
  45         int input_chroma_blacklevel;
  46         int output_range;
  47         int output_blacklevel;
  48         float luminance_mul;
  49         float chrominance_mul;
  50         float luminance_offset2;
  51         float chrominance_offset2;
  52
  53         /*optionally turn off luminance or chrominance channels*/
  54         bool show_luma;
  55         bool show_chroma;
  56
  57         /* what colour matrix */
  58         float matrix_Kr;
  59         float matrix_Kg;
  60         float matrix_Kb;
  61
  62         /* @interlaced_source@ modifies behaviour when repeating
  63          * frames (paused) and playing backwards (field reversal)
  64          * @deinterlace@ causes a .5 .5 deinterlacer to be used */
  65         bool interlaced_source;
  66         bool deinterlace;
  67
  68         /* @aspect_ratio_lock@ forces the assumption that
  69          * the video PAR is the same as the device PAR */
  70         bool view_valid;
  71         bool aspect_ratio_lock;
  72 };
  73
  74 /* SetLumaCoeffsRec709
  75  * Set Kr,Kg,Kb to have the luma coefficients defined in ITU-R Rec BT.709
  76  * NB, these are *not* the colour primaries */
  77 static inline void
  78 SetLumaCoeffsRec709(GLvideo_params &p)
  79 {
  80         p.matrix_Kr = 0.2126;
  81         p.matrix_Kg = 0.7152;
  82         p.matrix_Kb = 0.0722;
  83 }
  84
  85 /* SetLumaCoeffsRec601
  86  * Set Kr,Kg,Kb to have the luma coefficients defined in ITU-R Rec BT.601
  87  * NB, these are *not* the colour primaries */
  88 static inline void
  89 SetLumaCoeffsRec601(GLvideo_params &p)
  90 {
  91         p.matrix_Kr = 0.299;
  92         p.matrix_Kg = 0.587;
  93         p.matrix_Kb = 0.114;
  94 }
  95 #endif