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/**************************************************************************
*
* Copyright 2009 Younes Manton.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef PIPE_VIDEO_CONTEXT_H
#define PIPE_VIDEO_CONTEXT_H
#ifdef __cplusplus
extern "C" {
#endif
#include <pipe/p_video_state.h>
struct pipe_screen;
struct pipe_surface;
struct pipe_macroblock;
struct pipe_picture_desc;
struct pipe_fence_handle;
/**
* Gallium video decoder for a specific codec/profile
*/
struct pipe_video_decoder
{
struct pipe_context *context;
enum pipe_video_profile profile;
enum pipe_video_entrypoint entrypoint;
enum pipe_video_chroma_format chroma_format;
unsigned width;
unsigned height;
/**
* destroy this video decoder
*/
void (*destroy)(struct pipe_video_decoder *decoder);
/**
* Creates a buffer as decoding input
*/
struct pipe_video_decode_buffer *(*create_buffer)(struct pipe_video_decoder *decoder);
/**
* flush decoder buffer to video hardware
*/
void (*flush_buffer)(struct pipe_video_decode_buffer *decbuf,
unsigned num_ycbcr_blocks[3],
struct pipe_video_buffer *ref_frames[2],
struct pipe_video_buffer *dst);
};
/**
* input buffer for a decoder
*/
struct pipe_video_decode_buffer
{
struct pipe_video_decoder *decoder;
/**
* destroy this decode buffer
*/
void (*destroy)(struct pipe_video_decode_buffer *decbuf);
/**
* map the input buffer into memory before starting decoding
*/
void (*begin_frame)(struct pipe_video_decode_buffer *decbuf);
/**
* set the quantification matrixes
*/
void (*set_quant_matrix)(struct pipe_video_decode_buffer *decbuf,
const uint8_t intra_matrix[64],
const uint8_t non_intra_matrix[64]);
/**
* get the pointer where to put the ycbcr blocks of a component
*/
struct pipe_ycbcr_block *(*get_ycbcr_stream)(struct pipe_video_decode_buffer *, int component);
/**
* get the pointer where to put the ycbcr dct block data of a component
*/
short *(*get_ycbcr_buffer)(struct pipe_video_decode_buffer *, int component);
/**
* get the stride of the mv buffer
*/
unsigned (*get_mv_stream_stride)(struct pipe_video_decode_buffer *decbuf);
/**
* get the pointer where to put the motion vectors of a ref frame
*/
struct pipe_motionvector *(*get_mv_stream)(struct pipe_video_decode_buffer *decbuf, int ref_frame);
/**
* decode a bitstream
*/
void (*decode_bitstream)(struct pipe_video_decode_buffer *decbuf,
unsigned num_bytes, const void *data,
struct pipe_mpeg12_picture_desc *picture,
unsigned num_ycbcr_blocks[3]);
/**
* unmap decoder buffer before flushing
*/
void (*end_frame)(struct pipe_video_decode_buffer *decbuf);
};
/**
* output for decoding / input for displaying
*/
struct pipe_video_buffer
{
struct pipe_context *context;
enum pipe_format buffer_format;
enum pipe_video_chroma_format chroma_format;
unsigned width;
unsigned height;
/**
* destroy this video buffer
*/
void (*destroy)(struct pipe_video_buffer *buffer);
/**
* get a individual sampler view for each plane
*/
struct pipe_sampler_view **(*get_sampler_view_planes)(struct pipe_video_buffer *buffer);
/**
* get a individual sampler view for each component
*/
struct pipe_sampler_view **(*get_sampler_view_components)(struct pipe_video_buffer *buffer);
/**
* get a individual surfaces for each plane
*/
struct pipe_surface **(*get_surfaces)(struct pipe_video_buffer *buffer);
};
#ifdef __cplusplus
}
#endif
#endif /* PIPE_VIDEO_CONTEXT_H */
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