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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 VL_MPEG12_DECODER_H
#define VL_MPEG12_DECODER_H
#include <pipe/p_video_context.h>
#include "vl_idct.h"
#include "vl_mpeg12_mc_renderer.h"
#include "vl_vertex_buffers.h"
#include "vl_video_buffer.h"
struct pipe_screen;
struct pipe_context;
struct vl_mpeg12_decoder
{
struct pipe_video_decoder base;
struct pipe_context *pipe;
const unsigned (*empty_block_mask)[3][2][2];
struct pipe_vertex_buffer quads;
void *ves[VL_MAX_PLANES];
struct vl_idct idct_y, idct_c;
struct vl_mpeg12_mc_renderer mc;
void *rast;
void *dsa;
void *blend;
};
struct vl_mpeg12_buffer
{
struct pipe_video_decode_buffer base;
struct vl_vertex_buffer vertex_stream;
struct pipe_video_buffer *idct_source;
struct pipe_video_buffer *idct_intermediate;
struct pipe_video_buffer *mc_source;
union
{
struct pipe_vertex_buffer all[2];
struct {
struct pipe_vertex_buffer quad, stream;
} individual;
} vertex_bufs;
struct vl_idct_buffer idct[VL_MAX_PLANES];
struct vl_mpeg12_mc_buffer mc[VL_MAX_PLANES];
struct pipe_transfer *tex_transfer[VL_MAX_PLANES];
short *texels[VL_MAX_PLANES];
};
/* drivers can call this function in their pipe_video_context constructors and pass it
an accelerated pipe_context along with suitable buffering modes, etc */
struct pipe_video_decoder *
vl_create_mpeg12_decoder(struct pipe_video_context *context,
struct pipe_context *pipe,
enum pipe_video_profile profile,
enum pipe_video_entrypoint entrypoint,
enum pipe_video_chroma_format chroma_format,
unsigned width, unsigned height);
#endif /* VL_MPEG12_DECODER_H */
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