/**************************************************************************
 *
 * 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 VMWARE 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_STATE_H
#define PIPE_VIDEO_STATE_H

#include "pipe/p_defines.h"
#include "pipe/p_format.h"
#include "pipe/p_state.h"
#include "pipe/p_screen.h"
#include "util/u_inlines.h"

#ifdef __cplusplus
extern "C" {
#endif

/*
 * see table 6-12 in the spec
 */
enum pipe_mpeg12_picture_coding_type
{
   PIPE_MPEG12_PICTURE_CODING_TYPE_I = 0x01,
   PIPE_MPEG12_PICTURE_CODING_TYPE_P = 0x02,
   PIPE_MPEG12_PICTURE_CODING_TYPE_B = 0x03,
   PIPE_MPEG12_PICTURE_CODING_TYPE_D = 0x04
};

/*
 * see table 6-14 in the spec
 */
enum pipe_mpeg12_picture_structure
{
   PIPE_MPEG12_PICTURE_STRUCTURE_RESERVED = 0x00,
   PIPE_MPEG12_PICTURE_STRUCTURE_FIELD_TOP = 0x01,
   PIPE_MPEG12_PICTURE_STRUCTURE_FIELD_BOTTOM = 0x02,
   PIPE_MPEG12_PICTURE_STRUCTURE_FRAME = 0x03
};

/*
 * flags for macroblock_type, see section 6.3.17.1 in the spec
 */
enum pipe_mpeg12_macroblock_type
{
   PIPE_MPEG12_MB_TYPE_QUANT = 0x01,
   PIPE_MPEG12_MB_TYPE_MOTION_FORWARD = 0x02,
   PIPE_MPEG12_MB_TYPE_MOTION_BACKWARD = 0x04,
   PIPE_MPEG12_MB_TYPE_PATTERN = 0x08,
   PIPE_MPEG12_MB_TYPE_INTRA = 0x10
};

/*
 * flags for motion_type, see table 6-17 and 6-18 in the spec
 */
enum pipe_mpeg12_motion_type
{
   PIPE_MPEG12_MO_TYPE_RESERVED = 0x00,
   PIPE_MPEG12_MO_TYPE_FIELD = 0x01,
   PIPE_MPEG12_MO_TYPE_FRAME = 0x02,
   PIPE_MPEG12_MO_TYPE_16x8 = 0x02,
   PIPE_MPEG12_MO_TYPE_DUAL_PRIME = 0x03
};

/*
 * see section 6.3.17.1 and table 6-19 in the spec
 */
enum pipe_mpeg12_dct_type
{
   PIPE_MPEG12_DCT_TYPE_FRAME = 0,
   PIPE_MPEG12_DCT_TYPE_FIELD = 1
};

enum pipe_mpeg12_field_select
{
   PIPE_MPEG12_FS_FIRST_FORWARD = 0x01,
   PIPE_MPEG12_FS_FIRST_BACKWARD = 0x02,
   PIPE_MPEG12_FS_SECOND_FORWARD = 0x04,
   PIPE_MPEG12_FS_SECOND_BACKWARD = 0x08
};

enum pipe_h264_slice_type
{
   PIPE_H264_SLICE_TYPE_P = 0x0,
   PIPE_H264_SLICE_TYPE_B = 0x1,
   PIPE_H264_SLICE_TYPE_I = 0x2,
   PIPE_H264_SLICE_TYPE_SP = 0x3,
   PIPE_H264_SLICE_TYPE_SI = 0x4
};

enum pipe_h264_enc_picture_type
{
   PIPE_H264_ENC_PICTURE_TYPE_P = 0x00,
   PIPE_H264_ENC_PICTURE_TYPE_B = 0x01,
   PIPE_H264_ENC_PICTURE_TYPE_I = 0x02,
   PIPE_H264_ENC_PICTURE_TYPE_IDR = 0x03,
   PIPE_H264_ENC_PICTURE_TYPE_SKIP = 0x04
};

enum pipe_h264_enc_rate_control_method
{
   PIPE_H264_ENC_RATE_CONTROL_METHOD_DISABLE = 0x00,
   PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT_SKIP = 0x01,
   PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE_SKIP = 0x02,
   PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT = 0x03,
   PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE = 0x04
};

struct pipe_picture_desc
{
   enum pipe_video_profile profile;
};

struct pipe_quant_matrix
{
   enum pipe_video_format codec;
};

struct pipe_macroblock
{
   enum pipe_video_format codec;
};

struct pipe_mpeg12_picture_desc
{
   struct pipe_picture_desc base;

   unsigned picture_coding_type;
   unsigned picture_structure;
   unsigned frame_pred_frame_dct;
   unsigned q_scale_type;
   unsigned alternate_scan;
   unsigned intra_vlc_format;
   unsigned concealment_motion_vectors;
   unsigned intra_dc_precision;
   unsigned f_code[2][2];
   unsigned top_field_first;
   unsigned full_pel_forward_vector;
   unsigned full_pel_backward_vector;
   unsigned num_slices;

   const uint8_t *intra_matrix;
   const uint8_t *non_intra_matrix;

   struct pipe_video_buffer *ref[2];
};

struct pipe_mpeg12_macroblock
{
   struct pipe_macroblock base;

   /* see section 6.3.17 in the spec */
   unsigned short x, y;

   /* see section 6.3.17.1 in the spec */
   unsigned char macroblock_type;

   union {
      struct {
         /* see table 6-17 in the spec */
         unsigned int frame_motion_type:2;

         /* see table 6-18 in the spec */
         unsigned int field_motion_type:2;

         /* see table 6-19 in the spec */
         unsigned int dct_type:1;
      } bits;
      unsigned int value;
   } macroblock_modes;

    /* see section 6.3.17.2 in the spec */
   unsigned char motion_vertical_field_select;

   /* see Table 7-7 in the spec */
   short PMV[2][2][2];

   /* see figure 6.10-12 in the spec */
   unsigned short coded_block_pattern;

   /* see figure 6.10-12 in the spec */
   short *blocks;

   /* Number of skipped macroblocks after this macroblock */
   unsigned short num_skipped_macroblocks;
};

struct pipe_mpeg4_picture_desc
{
   struct pipe_picture_desc base;

   int32_t trd[2];
   int32_t trb[2];
   uint16_t vop_time_increment_resolution;
   uint8_t vop_coding_type;
   uint8_t vop_fcode_forward;
   uint8_t vop_fcode_backward;
   uint8_t resync_marker_disable;
   uint8_t interlaced;
   uint8_t quant_type;
   uint8_t quarter_sample;
   uint8_t short_video_header;
   uint8_t rounding_control;
   uint8_t alternate_vertical_scan_flag;
   uint8_t top_field_first;

   const uint8_t *intra_matrix;
   const uint8_t *non_intra_matrix;

   struct pipe_video_buffer *ref[2];
};

struct pipe_vc1_picture_desc
{
   struct pipe_picture_desc base;

   uint32_t slice_count;
   uint8_t picture_type;
   uint8_t frame_coding_mode;
   uint8_t postprocflag;
   uint8_t pulldown;
   uint8_t interlace;
   uint8_t tfcntrflag;
   uint8_t finterpflag;
   uint8_t psf;
   uint8_t dquant;
   uint8_t panscan_flag;
   uint8_t refdist_flag;
   uint8_t quantizer;
   uint8_t extended_mv;
   uint8_t extended_dmv;
   uint8_t overlap;
   uint8_t vstransform;
   uint8_t loopfilter;
   uint8_t fastuvmc;
   uint8_t range_mapy_flag;
   uint8_t range_mapy;
   uint8_t range_mapuv_flag;
   uint8_t range_mapuv;
   uint8_t multires;
   uint8_t syncmarker;
   uint8_t rangered;
   uint8_t maxbframes;
   uint8_t deblockEnable;
   uint8_t pquant;

   struct pipe_video_buffer *ref[2];
};

struct pipe_h264_sps
{
   uint8_t  chroma_format_idc;
   uint8_t  separate_colour_plane_flag;
   uint8_t  bit_depth_luma_minus8;
   uint8_t  bit_depth_chroma_minus8;
   uint8_t  seq_scaling_matrix_present_flag;
   uint8_t  ScalingList4x4[6][16];
   uint8_t  ScalingList8x8[6][64];
   uint8_t  log2_max_frame_num_minus4;
   uint8_t  pic_order_cnt_type;
   uint8_t  log2_max_pic_order_cnt_lsb_minus4;
   uint8_t  delta_pic_order_always_zero_flag;
   int32_t  offset_for_non_ref_pic;
   int32_t  offset_for_top_to_bottom_field;
   uint8_t  num_ref_frames_in_pic_order_cnt_cycle;
   int32_t  offset_for_ref_frame[256];
   uint8_t  max_num_ref_frames;
   uint8_t  frame_mbs_only_flag;
   uint8_t  mb_adaptive_frame_field_flag;
   uint8_t  direct_8x8_inference_flag;
};

struct pipe_h264_pps
{
   struct pipe_h264_sps *sps;

   uint8_t  entropy_coding_mode_flag;
   uint8_t  bottom_field_pic_order_in_frame_present_flag;
   uint8_t  num_slice_groups_minus1;
   uint8_t  slice_group_map_type;
   uint8_t  slice_group_change_rate_minus1;
   uint8_t  num_ref_idx_l0_default_active_minus1;
   uint8_t  num_ref_idx_l1_default_active_minus1;
   uint8_t  weighted_pred_flag;
   uint8_t  weighted_bipred_idc;
   int8_t   pic_init_qp_minus26;
   int8_t   chroma_qp_index_offset;
   uint8_t  deblocking_filter_control_present_flag;
   uint8_t  constrained_intra_pred_flag;
   uint8_t  redundant_pic_cnt_present_flag;
   uint8_t  ScalingList4x4[6][16];
   uint8_t  ScalingList8x8[6][64];
   uint8_t  transform_8x8_mode_flag;
   int8_t   second_chroma_qp_index_offset;
};

struct pipe_h264_picture_desc
{
   struct pipe_picture_desc base;

   struct pipe_h264_pps *pps;

   /* slice header */
   uint32_t frame_num;
   uint8_t  field_pic_flag;
   uint8_t  bottom_field_flag;
   uint8_t  num_ref_idx_l0_active_minus1;
   uint8_t  num_ref_idx_l1_active_minus1;

   uint32_t slice_count;
   int32_t  field_order_cnt[2];
   bool     is_reference;
   uint8_t  num_ref_frames;

   bool     is_long_term[16];
   bool     top_is_reference[16];
   bool     bottom_is_reference[16];
   uint32_t field_order_cnt_list[16][2];
   uint32_t frame_num_list[16];

   struct pipe_video_buffer *ref[16];
};

struct pipe_h264_enc_rate_control
{
   enum pipe_h264_enc_rate_control_method rate_ctrl_method;
   unsigned target_bitrate;
   unsigned peak_bitrate;
   unsigned frame_rate_num;
   unsigned frame_rate_den;
   unsigned vbv_buffer_size;
   unsigned target_bits_picture;
   unsigned peak_bits_picture_integer;
   unsigned peak_bits_picture_fraction;
};

struct pipe_h264_enc_picture_desc
{
   struct pipe_picture_desc base;

   struct pipe_h264_enc_rate_control rate_ctrl;

   unsigned quant_i_frames;
   unsigned quant_p_frames;
   unsigned quant_b_frames;

   enum pipe_h264_enc_picture_type picture_type;
   unsigned frame_num;
   unsigned pic_order_cnt;
   unsigned ref_idx_l0;
   unsigned ref_idx_l1;

   bool not_referenced;
};

#ifdef __cplusplus
}
#endif

#endif /* PIPE_VIDEO_STATE_H */