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/*

 * Copyright 2013 Ilia Mirkin

 *

 * 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, sublicense,

 * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS 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 NV84_VIDEO_H_

#define NV84_VIDEO_H_

#include "vl/vl_decoder.h"

#include "vl/vl_video_buffer.h"

#include "vl/vl_types.h"

#include "vl/vl_mpeg12_bitstream.h"

#include "util/u_video.h"

#include "nv50_context.h"

union pipe_desc {

   struct pipe_picture_desc *base;

   struct pipe_mpeg12_picture_desc *mpeg12;

   struct pipe_mpeg4_picture_desc *mpeg4;

   struct pipe_vc1_picture_desc *vc1;

   struct pipe_h264_picture_desc *h264;

};

struct nv84_video_buffer {

   struct pipe_video_buffer base;

   struct pipe_resource *resources[VL_NUM_COMPONENTS];

   struct pipe_sampler_view *sampler_view_planes[VL_NUM_COMPONENTS];

   struct pipe_sampler_view *sampler_view_components[VL_NUM_COMPONENTS];

   struct pipe_surface *surfaces[VL_NUM_COMPONENTS * 2];

   struct nouveau_bo *interlaced, *full;

   int mvidx;

   unsigned frame_num, frame_num_max;

};

struct nv84_decoder {

   struct pipe_video_decoder base;

   struct nouveau_client *client;

   struct nouveau_object *bsp_channel, *vp_channel, *bsp, *vp;

   struct nouveau_pushbuf *bsp_pushbuf, *vp_pushbuf;

   struct nouveau_bufctx *bsp_bufctx, *vp_bufctx;

   struct nouveau_bo *bsp_fw, *bsp_data;

   struct nouveau_bo *vp_fw, *vp_data;

   struct nouveau_bo *mbring, *vpring;

   /*

    * states:

    *  0: init

    *  1: vpring/mbring cleared, bsp is ready

    *  2: bsp is done, vp is ready

    * and then vp it back to 1

    */

   struct nouveau_bo *fence;

   struct nouveau_bo *bitstream;

   struct nouveau_bo *vp_params;

   size_t vp_fw2_offset;

   unsigned frame_mbs, frame_size;

   /* VPRING layout:

        RESIDUAL

        CTRL

        DEBLOCK

        0x1000

   */

   unsigned vpring_deblock, vpring_residual, vpring_ctrl;

   struct vl_mpg12_bs *mpeg12_bs;

   struct nouveau_bo *mpeg12_bo;

   void *mpeg12_mb_info;

   uint16_t *mpeg12_data;

   const int *zscan;

   uint8_t mpeg12_intra_matrix[64];

   uint8_t mpeg12_non_intra_matrix[64];

};

static INLINE uint32_t mb(uint32_t coord)

{

   return (coord + 0xf)>>4;

}

static INLINE uint32_t mb_half(uint32_t coord)

{

   return (coord + 0x1f)>>5;

}

int

nv84_decoder_bsp(struct nv84_decoder *dec,

                 struct pipe_h264_picture_desc *desc,

                 unsigned num_buffers,

                 const void *const *data,

                 const unsigned *num_bytes,

                 struct nv84_video_buffer *dest);

void

nv84_decoder_vp_h264(struct nv84_decoder *dec,

                     struct pipe_h264_picture_desc *desc,

                     struct nv84_video_buffer *dest);

void

nv84_decoder_vp_mpeg12_mb(struct nv84_decoder *dec,

                          struct pipe_mpeg12_picture_desc *desc,

                          const struct pipe_mpeg12_macroblock *mb);

void

nv84_decoder_vp_mpeg12(struct nv84_decoder *dec,

                       struct pipe_mpeg12_picture_desc *desc,

                       struct nv84_video_buffer *dest);

#endif