src/gallium/include/pipe/p_video_context.h

   1 #ifndef PIPE_VIDEO_CONTEXT_H
   2 #define PIPE_VIDEO_CONTEXT_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <pipe/p_video_state.h>
   9
  10 struct pipe_screen;
  11 struct pipe_buffer;
  12 struct pipe_surface;
  13 struct pipe_video_surface;
  14 struct pipe_macroblock;
  15 struct pipe_picture_desc;
  16 struct pipe_fence_handle;
  17
  18 /**
  19  * Gallium video rendering context
  20  */
  21 struct pipe_video_context
  22 {
  23    struct pipe_screen *screen;
  24    enum pipe_video_profile profile;
  25    enum pipe_video_chroma_format chroma_format;
  26    unsigned width;
  27    unsigned height;
  28
  29    void *priv; /**< context private data (for DRI for example) */
  30
  31    void (*destroy)(struct pipe_video_context *vpipe);
  32
  33    /**
  34     * Picture decoding and displaying
  35     */
  36    /*@{*/
  37    void (*decode_bitstream)(struct pipe_video_context *vpipe,
  38                             unsigned num_bufs,
  39                             struct pipe_buffer **bitstream_buf);
  40
  41    void (*decode_macroblocks)(struct pipe_video_context *vpipe,
  42                               struct pipe_video_surface *past,
  43                               struct pipe_video_surface *future,
  44                               unsigned num_macroblocks,
  45                               struct pipe_macroblock *macroblocks,
  46                               struct pipe_fence_handle **fence);
  47
  48    void (*clear_surface)(struct pipe_video_context *vpipe,
  49                          unsigned x, unsigned y,
  50                          unsigned width, unsigned height,
  51                          unsigned value,
  52                          struct pipe_surface *surface);
  53
  54    void (*render_picture)(struct pipe_video_context     *vpipe,
  55                           /*struct pipe_surface         *backround,
  56                           struct pipe_video_rect        *backround_area,*/
  57                           struct pipe_video_surface     *src_surface,
  58                           enum pipe_mpeg12_picture_type picture_type,
  59                           /*unsigned                    num_past_surfaces,
  60                           struct pipe_video_surface     *past_surfaces,
  61                           unsigned                      num_future_surfaces,
  62                           struct pipe_video_surface     *future_surfaces,*/
  63                           struct pipe_video_rect        *src_area,
  64                           struct pipe_surface           *dst_surface,
  65                           struct pipe_video_rect        *dst_area,
  66                           /*unsigned                      num_layers,
  67                           struct pipe_texture           *layers,
  68                           struct pipe_video_rect        *layer_src_areas,
  69                           struct pipe_video_rect        *layer_dst_areas,*/
  70                           struct pipe_fence_handle      **fence);
  71    /*@}*/
  72
  73    /**
  74     * Parameter-like states (or properties)
  75     */
  76    /*@{*/
  77    void (*set_picture_desc)(struct pipe_video_context *vpipe,
  78                             const struct pipe_picture_desc *desc);
  79
  80    void (*set_decode_target)(struct pipe_video_context *vpipe,
  81                              struct pipe_video_surface *dt);
  82
  83    /* TODO: Interface for CSC matrix, scaling modes, post-processing, etc. */
  84    /*@}*/
  85 };
  86
  87
  88 #ifdef __cplusplus
  89 }
  90 #endif
  91
  92 #endif /* PIPE_VIDEO_CONTEXT_H */