1 /****************************************************************************** 2 * 3 * Copyright (C) 2015 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ***************************************************************************** 18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 19 */ 20 #ifndef __IMPEG2D_STRUCTS_H__ 21 #define __IMPEG2D_STRUCTS_H__ 22 23 /* Decoder needs at least 4 reference buffers in order to support format conversion in a thread and 24 to support B pictures. Because of format conversion in a thread, codec delay is now 2 frames instead of 1. 25 To reduce this delay, format conversion has to wait for MB status before converting for B pictures. 26 To avoid this check the delay is increased to 2 and hence number of reference frames minimum is 4. 27 Because of temporal dependency in deinterlacer one additional buffer is also needed */ 28 #define NUM_INT_FRAME_BUFFERS 5 29 30 31 #define MAX_WIDTH 4096 32 #define MAX_HEIGHT 2160 33 34 #define MIN_WIDTH 16 35 #define MIN_HEIGHT 16 36 37 38 #define MAX_FRM_SIZE (MAX_WIDTH * MAX_HEIGHT * 2) /* Supports only 420P and 422ILE */ 39 40 #define DEC_ORDER 0 41 42 #define MAX_BITSTREAM_BUFFER_SIZE 2000 * 1024 43 #define MIN_BUFFER_BYTES_AT_EOS 8 44 45 /* Flag to signal that buffer is held by deinterlacing */ 46 #define MPEG2_BUF_MGR_DEINT (BUF_MGR_DISP << 1) 47 48 typedef enum 49 { 50 CMD_PROCESS, 51 CMD_FMTCONV, 52 }e_jobq_cmd_t; 53 54 /** 55 * Structure to represent a processing job entry 56 */ 57 typedef struct 58 { 59 /** 60 * Command 61 * Currently: PROCESS, FMTCONV are the only two jobs 62 */ 63 WORD32 i4_cmd; 64 65 /** 66 * MB y of the starting MB 67 */ 68 WORD16 i2_start_mb_y; 69 70 /** 71 * MB y of the last MB 72 */ 73 74 WORD16 i2_end_mb_y; 75 76 /** 77 * Bitstream offset for the current job 78 */ 79 WORD32 i4_bistream_ofst; 80 81 }job_t; 82 83 typedef struct 84 { 85 /* Params of the reference buffer used as input to MC */ 86 UWORD32 u4_src_wd; 87 UWORD32 u4_src_offset; 88 89 /* Params of the buffer where MC output will be written */ 90 UWORD32 u4_dst_wd_res_buf; 91 UWORD32 u4_dst_wd_cur_frm; 92 UWORD32 u4_dst_offset_res_buf; 93 UWORD32 u4_dst_offset_cur_frm; 94 95 /* Operation Parameters */ 96 UWORD32 u4_rows; 97 UWORD32 u4_cols; 98 UWORD32 u4_mode; 99 }comp_mc_params_t; 100 101 typedef struct 102 { 103 yuv_buf_t s_ref; 104 comp_mc_params_t s_luma; 105 comp_mc_params_t s_chroma; 106 }mb_mc_params_t; 107 108 struct _dec_mb_params_t; 109 110 typedef UWORD8 pf_inv_quant_t (WORD16 *blk, 111 UWORD8 *weighting_matrix, 112 UWORD8 quant_scale, 113 WORD32 intra_flag, 114 WORD32 i4_num_coeffs, 115 WORD16 *pi2_coeffs, 116 UWORD8 *pu1_pos, 117 const UWORD8 *scan, 118 UWORD16 *u2_def_dc_pred, 119 UWORD16 u2_intra_dc_precision); 120 121 typedef IMPEG2D_ERROR_CODES_T pf_vld_inv_quant_t (void *dec, 122 WORD16 *out_addr, 123 const UWORD8 *scan, 124 UWORD16 intra_flag, 125 UWORD16 colr_comp, 126 UWORD16 d_picture); 127 128 typedef void pf_mc_t(void *, UWORD8 *, UWORD32 , UWORD8 *, UWORD32 , 129 UWORD32 , UWORD32 ); 130 131 typedef struct dec_state_struct_t 132 { 133 WORD16 ai2_vld_buf[NUM_PELS_IN_BLOCK]; 134 WORD16 ai2_idct_stg1[NUM_PELS_IN_BLOCK]; 135 136 137 UWORD8 au1_intra_quant_matrix[NUM_PELS_IN_BLOCK]; 138 UWORD8 au1_inter_quant_matrix[NUM_PELS_IN_BLOCK]; 139 140 IMPEG2D_ERROR_CODES_T (*pf_decode_slice)(struct dec_state_struct_t *); 141 142 pf_vld_inv_quant_t *pf_vld_inv_quant; 143 144 pf_idct_recon_t *pf_idct_recon[4]; 145 146 pf_mc_t *pf_mc[4]; 147 pf_interpred_t *pf_fullx_halfy_8x8; 148 pf_interpred_t *pf_halfx_fully_8x8; 149 pf_interpred_t *pf_halfx_halfy_8x8; 150 pf_interpred_t *pf_fullx_fully_8x8; 151 152 153 pf_interpolate_t *pf_interpolate; 154 pf_copy_mb_t *pf_copy_mb; 155 156 pf_memset0_one_16bit_buf_t *pf_memset_16bit_8x8_linear_block; 157 pf_memset_8bit_t *pf_memset_8bit_8x8_block; 158 pf_copy_yuv420p_buf_t *pf_copy_yuv420p_buf; 159 pf_fmt_conv_yuv420p_to_yuv422ile_t *pf_fmt_conv_yuv420p_to_yuv422ile; 160 pf_fmt_conv_yuv420p_to_yuv420sp_t *pf_fmt_conv_yuv420p_to_yuv420sp_uv; 161 pf_fmt_conv_yuv420p_to_yuv420sp_t *pf_fmt_conv_yuv420p_to_yuv420sp_vu; 162 163 stream_t s_bit_stream; 164 /* @ */ 165 166 UWORD16 u2_is_mpeg2; /* 0 if stream is MPEG1 1 otherwise */ 167 UWORD16 u2_frame_width; /* Width of the frame */ 168 UWORD16 u2_frame_height; /* Height of the frame */ 169 UWORD16 u2_picture_width; 170 UWORD16 u2_horizontal_size; 171 UWORD16 u2_vertical_size; 172 UWORD16 u2_create_max_width; 173 UWORD16 u2_create_max_height; 174 UWORD16 u2_reinit_max_width; 175 UWORD16 u2_reinit_max_height; 176 UWORD16 u2_header_done; 177 UWORD16 u2_decode_header; 178 179 UWORD16 u2_mb_x; 180 UWORD16 u2_mb_y; 181 UWORD16 u2_num_horiz_mb; 182 UWORD16 u2_num_vert_mb; 183 UWORD16 u2_num_flds_decoded; 184 void *pv_pic_buf_mg; 185 186 UWORD32 u4_frm_buf_stride; /* for display Buffer */ 187 188 UWORD16 u2_field_dct; 189 UWORD16 u2_read_dct_type; 190 191 UWORD16 u2_read_motion_type; 192 UWORD16 u2_motion_type; 193 194 const UWORD16 *pu2_mb_type; 195 UWORD16 u2_fld_pic; 196 UWORD16 u2_frm_pic; 197 198 yuv_buf_t s_cur_frm_buf; 199 200 UWORD16 u2_fld_parity; 201 UWORD16 u2_def_dc_pred[MAX_COLR_COMPS]; 202 203 /* Variables related to Motion Vector predictors */ 204 205 WORD16 ai2_pred_mv[2][2][2]; 206 e_pred_direction_t e_mb_pred; 207 UWORD16 au2_fcode_data[2]; 208 209 /* Variables related to reference pictures */ 210 yuv_buf_t as_recent_fld[2][2]; 211 212 UWORD8 u1_quant_scale; 213 UWORD16 u2_num_mbs_left; 214 UWORD16 u2_first_mb; 215 UWORD16 u2_num_skipped_mbs; 216 217 UWORD8 *pu1_inv_scan_matrix; 218 219 UWORD16 u2_progressive_sequence; 220 e_pic_type_t e_pic_type; 221 222 UWORD16 u2_full_pel_forw_vector; 223 UWORD16 u2_forw_f_code; 224 UWORD16 u2_full_pel_back_vector; 225 UWORD16 u2_back_f_code; 226 227 WORD16 ai2_mv[2][2][2]; /* Motion vectors */ 228 229 /* Bitstream code present in Picture coding extension */ 230 UWORD16 au2_f_code[2][2]; 231 UWORD16 u2_intra_dc_precision; 232 UWORD16 u2_picture_structure; 233 UWORD16 u2_top_field_first; 234 UWORD16 u2_frame_pred_frame_dct; 235 UWORD16 u2_concealment_motion_vectors; 236 UWORD16 u2_q_scale_type; 237 UWORD16 u2_intra_vlc_format; 238 UWORD16 u2_alternate_scan; 239 UWORD16 u2_repeat_first_field; 240 UWORD16 u2_progressive_frame; 241 242 243 /* Bitstream code related to frame rate of the bitstream */ 244 UWORD16 u2_frame_rate_code; 245 UWORD16 u2_frame_rate_extension_n; 246 UWORD16 u2_frame_rate_extension_d; 247 UWORD16 u2_framePeriod; /* Frame period in milli seconds */ 248 249 /* Members related to display dimensions of bitstream */ 250 /* The size values may not be returned right now. But they are read */ 251 /* and can be returned if there is a requirement. */ 252 UWORD8 u1_video_format; 253 UWORD8 u1_colour_description; 254 UWORD8 u1_colour_primaries; 255 UWORD8 u1_transfer_characteristics; 256 UWORD8 u1_matrix_coefficients; 257 UWORD16 u2_display_horizontal_size; 258 UWORD16 u2_display_vertical_size; 259 UWORD16 u2_aspect_ratio_info; 260 261 /* Members related to motion compensation */ 262 yuv_buf_t s_mc_fw_buf; 263 yuv_buf_t s_mc_bk_buf; 264 yuv_buf_t s_mc_buf; 265 mb_mc_params_t as_mb_mc_params[2][2]; 266 yuv_buf_t as_ref_buf[2][2]; 267 e_mb_type_t s_mb_type; 268 269 yuv_buf_t s_dest_buf; 270 271 /* Variable to handle intra MB */ 272 UWORD16 u2_prev_intra_mb; 273 UWORD16 u2_coded_mb; 274 275 /* Bidirect function pointers */ 276 const struct _dec_mb_params_t *ps_func_bi_direct; 277 278 /* Forw or Back function pointers */ 279 const struct _dec_mb_params_t *ps_func_forw_or_back; 280 281 282 /* CBP of the current MB */ 283 UWORD16 u2_cbp; 284 void *pv_video_scratch; 285 286 287 /* For global error handling */ 288 void *pv_stack_cntxt; 289 290 /* @ */ 291 WORD32 i4_chromaFormat; 292 UWORD32 u4_xdmBufID; 293 UWORD32 u4_num_mem_records; 294 /* For holding memRecords */ 295 void *pv_memTab; 296 297 UWORD8 u1_flushfrm; 298 UWORD8 u1_flushcnt; 299 iv_yuv_buf_t as_frame_buf[MAX_FRAME_BUFFER]; 300 iv_yuv_buf_t ps_yuv_buf; 301 302 ivd_get_display_frame_op_t s_disp_op; 303 304 305 UWORD32 u4_non_zero_cols; 306 UWORD32 u4_non_zero_rows; 307 308 UWORD32 u4_num_frames_decoded; 309 310 /* Adding error code variable to signal benign errors. */ 311 UWORD32 u4_error_code; 312 313 WORD32 i4_num_cores; 314 315 UWORD8 u1_first_frame_done; 316 317 void *pv_codec_thread_handle; 318 void *ps_dec_state_multi_core; 319 UWORD32 u4_inp_ts; 320 pic_buf_t *ps_cur_pic; 321 pic_buf_t *ps_disp_pic; 322 pic_buf_t *aps_ref_pics[2]; 323 324 WORD32 i4_disp_buf_id; 325 WORD32 i4_cur_buf_id; 326 iv_yuv_buf_t *ps_disp_frm_buf; 327 328 UWORD32 u4_share_disp_buf; 329 void *pv_pic_buf_base; 330 331 disp_mgr_t s_disp_mgr; 332 UWORD8 *pu1_chroma_ref_buf[BUF_MGR_MAX_CNT]; 333 ivd_out_bufdesc_t as_disp_buffers[BUF_MGR_MAX_CNT]; 334 335 /* Count the number of pictures decoded after init/reset */ 336 WORD32 i4_pic_count; 337 338 /* Flag to signal last coeff in a 8x8 block is one 339 after mismatch contol */ 340 WORD32 i4_last_value_one; 341 342 WORD32 i4_start_mb_y; 343 WORD32 i4_end_mb_y; 344 345 /* Buffer to store the input stream */ 346 UWORD8 *pu1_input_buffer; 347 348 /** 349 * Job queue buffer base 350 */ 351 void *pv_jobq_buf; 352 353 /** 354 * Job Queue mem tab size 355 */ 356 WORD32 i4_jobq_buf_size; 357 358 /** 359 * Job Queue context 360 */ 361 void *pv_jobq; 362 363 /* Pointer to input bitstream */ 364 UWORD8 *pu1_inp_bits_buf; 365 366 /* Number of bytes in the input bitstream */ 367 UWORD32 u4_num_inp_bytes; 368 369 ivd_out_bufdesc_t *ps_out_buf; 370 371 /* Bytes consumed */ 372 WORD32 i4_bytes_consumed; 373 374 IVD_ARCH_T e_processor_arch; 375 376 IVD_SOC_T e_processor_soc; 377 378 WORD32 i4_frame_decoded; 379 380 /** Flag to enable deinterlace */ 381 UWORD32 u4_deinterlace; 382 383 /** Deinterlacer context */ 384 void *pv_deinterlacer_ctxt; 385 386 /** Picture buffer held by deinterlacer */ 387 pic_buf_t *ps_deint_pic; 388 389 /** Buffer used after deinterlacer for format conversion */ 390 UWORD8 *pu1_deint_fmt_buf; 391 392 /** Flag to indicate if Seq Display Extn is present */ 393 UWORD8 u1_seq_disp_extn_present; 394 }dec_state_t; 395 396 397 398 399 typedef void (*func_decmb_params)(dec_state_t *); 400 typedef void (*mc_funcs)(dec_state_t *); 401 typedef struct _dec_mb_params_t 402 { 403 func_decmb_params pf_func_mb_params; 404 e_mb_type_t s_mb_type; 405 mc_funcs pf_mc; 406 }dec_mb_params_t; 407 408 409 410 #define MAX_THREADS 4 411 412 413 #define MAX_MB_ROWS (MAX_HEIGHT / 16) // number of rows for 1080p 414 415 typedef struct _dec_state_multi_core 416 { 417 // contains the decoder state of decoder for each thread 418 dec_state_t *ps_dec_state[MAX_THREADS]; 419 UWORD32 au4_thread_launched[MAX_THREADS]; 420 // number of rows: first thread will populate the row offsets and update 421 // row_offset_cnt. Other threads should pick up offset from this thread 422 // and start decoding 423 UWORD32 au4_row_offset[MAX_MB_ROWS]; 424 volatile UWORD32 u4_row_offset_cnt; 425 }dec_state_multi_core_t; 426 427 428 429 #endif /* #ifndef __IMPEG2D_STRUCTS_H__ */ 430
