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/**************************************************************************
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 *
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 * Copyright 2009 Younes Manton.
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 * All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 **************************************************************************/
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#ifndef PIPE_VIDEO_CONTEXT_H
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#define PIPE_VIDEO_CONTEXT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "pipe/p_video_state.h"
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struct pipe_screen;
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struct pipe_surface;
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struct pipe_macroblock;
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struct pipe_picture_desc;
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struct pipe_fence_handle;
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/**
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 * Gallium video decoder for a specific codec/profile
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 */
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struct pipe_video_decoder
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{
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   struct pipe_context *context;
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   enum pipe_video_profile profile;
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   enum pipe_video_entrypoint entrypoint;
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   enum pipe_video_chroma_format chroma_format;
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   unsigned width;
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   unsigned height;
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   unsigned max_references;
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   /**
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    * destroy this video decoder
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    */
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   void (*destroy)(struct pipe_video_decoder *decoder);
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   /**
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    * start decoding of a new frame
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    */
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   void (*begin_frame)(struct pipe_video_decoder *decoder,
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                       struct pipe_video_buffer *target,
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                       struct pipe_picture_desc *picture);
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   /**
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    * decode a macroblock
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    */
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   void (*decode_macroblock)(struct pipe_video_decoder *decoder,
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                             struct pipe_video_buffer *target,
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                             struct pipe_picture_desc *picture,
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                             const struct pipe_macroblock *macroblocks,
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                             unsigned num_macroblocks);
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   /**
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    * decode a bitstream
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    */
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   void (*decode_bitstream)(struct pipe_video_decoder *decoder,
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                            struct pipe_video_buffer *target,
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                            struct pipe_picture_desc *picture,
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                            unsigned num_buffers,
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                            const void * const *buffers,
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                            const unsigned *sizes);
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   /**
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    * end decoding of the current frame
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    */
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   void (*end_frame)(struct pipe_video_decoder *decoder,
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                     struct pipe_video_buffer *target,
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                     struct pipe_picture_desc *picture);
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   /**
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    * flush any outstanding command buffers to the hardware
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    * should be called before a video_buffer is acessed by the state tracker again
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    */
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   void (*flush)(struct pipe_video_decoder *decoder);
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};
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/**
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 * output for decoding / input for displaying
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 */
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struct pipe_video_buffer
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{
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   struct pipe_context *context;
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   enum pipe_format buffer_format;
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   enum pipe_video_chroma_format chroma_format;
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   unsigned width;
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   unsigned height;
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   bool interlaced;
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   /**
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    * destroy this video buffer
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    */
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   void (*destroy)(struct pipe_video_buffer *buffer);
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   /**
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    * get a individual sampler view for each plane
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    */
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   struct pipe_sampler_view **(*get_sampler_view_planes)(struct pipe_video_buffer *buffer);
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   /**
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    * get a individual sampler view for each component
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    */
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   struct pipe_sampler_view **(*get_sampler_view_components)(struct pipe_video_buffer *buffer);
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   /**
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    * get a individual surfaces for each plane
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    */
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   struct pipe_surface **(*get_surfaces)(struct pipe_video_buffer *buffer);
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   /*
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    * auxiliary associated data
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    */
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   void *associated_data;
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   /*
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    * decoder where the associated data came from
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    */
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   struct pipe_video_decoder *decoder;
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   /*
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    * destroy the associated data
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    */
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   void (*destroy_associated_data)(void *associated_data);
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* PIPE_VIDEO_CONTEXT_H */