1/* 2 * Copyright (c) 2011 Intel Corporation. All Rights Reserved. 3 * Copyright (c) Imagination Technologies Limited, UK 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sub license, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial portions 15 * of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 20 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR 21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 * Authors: 26 * Elaine Wang <elaine.wang@intel.com> 27 * Zeng Li <zeng.li@intel.com> 28 * 29 */ 30 31 32#include <stdio.h> 33#include <string.h> 34#include "img_types.h" 35#include "psb_def.h" 36#include "psb_drv_debug.h" 37#include "pnw_hostheader.h" 38 39 40/* Global stores the latest QP information for the DoHeader() 41 * routine, should be filled in by the rate control algorithm. 42 */ 43#define HEADERS_VERBOSE_OUTPUT 0 44 45/* #define USESTATICWHEREPOSSIBLE 1 */ 46 47#define MAXNUMBERELEMENTS 16 48#define HEADER_SIZE (128*2) 49 50/* SOME USEFUL TEST FUNCTIONS */ 51#if 0 52 53static void Show_Bits( 54 IMG_UINT8 *ucBitStream, 55 IMG_UINT32 ByteStartBit, 56 IMG_UINT32 Bits) 57{ 58 char Txt[1024]; 59 IMG_UINT32 uiByteSize; 60 IMG_UINT32 uiLp, uiBt, Bcnt; 61 Bcnt = 0; 62 uiByteSize = (Bits + ByteStartBit + 7) >> 3; 63 for (uiLp = 0; uiLp < uiByteSize; uiLp++) { 64 snprintf(Txt, strlen(" "), " "); 65 for (uiBt = 128; uiBt >= 1; uiBt = uiBt >> 1) { 66 Bcnt++; 67 if (Bcnt > Bits + ByteStartBit || Bcnt <= ByteStartBit) 68 snprintf(Txt, sizeof(Txt), "%sX", Txt); 69 else 70 snprintf(Txt, sizeof(Txt), "%s%i", Txt, (ucBitStream[uiLp] & uiBt) > 0); 71 } 72 73 snprintf(Txt, sizeof(Txt), "%s ", Txt); 74 printf("%s", Txt); 75 if ((uiLp + 1) % 8 == 0) printf("\n"); 76 } 77 78 printf("\n\n"); 79} 80#endif 81 82#if 0 83 84static void Show_Elements( 85 MTX_HEADER_PARAMS *mtx_hdr, 86 MTX_HEADER_ELEMENT **elt_p) 87{ 88 IMG_UINT8 f; 89 IMG_UINT32 TotalByteSize; 90 IMG_UINT32 RTotalByteSize; 91 92 RTotalByteSize = TotalByteSize = 0; 93 for (f = 0; f < mtx_hdr->Elements; f++) { 94#if HEADERS_VERBOSE_OUTPUT 95 drv_debug_msg(VIDEO_DEBUG_GENERAL, "Encoding Element [%i] - Type:%i\n", f, elt_p[f]->Element_Type); 96#endif 97 if (elt_p[f]->Element_Type == ELEMENT_STARTCODE_RAWDATA || 98 elt_p[f]->Element_Type == ELEMENT_RAWDATA) { 99 TotalByteSize = elt_p[f]->Size; 100#if HEADERS_VERBOSE_OUTPUT 101 drv_debug_msg(VIDEO_DEBUG_GENERAL, "Writing %i RAW bits to element.\n", elt_p[f]->Size); 102 Show_Bits((IMG_UINT8 *)(&elt_p[f]->Size) + 1, 0, TotalByteSize); 103#endif 104 TotalByteSize += 8; 105 106 RTotalByteSize += (((IMG_UINT32)((TotalByteSize + 7) / 8)) * 8); 107 RTotalByteSize += 32; 108 } else { 109 TotalByteSize = 0; 110 switch (elt_p[f]->Element_Type) { 111 case ELEMENT_QP: 112#if HEADERS_VERBOSE_OUTPUT 113 drv_debug_msg(VIDEO_DEBUG_GENERAL, "Insert token ELEMENT_QP (H264)- for MTX to generate and insert this value\n"); 114#endif 115 break; 116 case ELEMENT_SQP: 117#if HEADERS_VERBOSE_OUTPUT 118 drv_debug_msg(VIDEO_DEBUG_GENERAL, "Insert token ELEMENT_SQP (H264)- for MTX to generate and insert this value\n"); 119#endif 120 break; 121 case ELEMENT_FRAMEQSCALE: 122#if HEADERS_VERBOSE_OUTPUT 123 drv_debug_msg(VIDEO_DEBUG_GENERAL, "Insert token ELEMENT_FRAMEQSCALE (H263/MPEG4) - for MTX to generate and insert this value\n"); 124#endif 125 break; 126 case ELEMENT_SLICEQSCALE: 127#if HEADERS_VERBOSE_OUTPUT 128 drv_debug_msg(VIDEO_DEBUG_GENERAL, "Insert token ELEMENT_SLICEQSCALE (H263/MPEG4) - for MTX to generate and insert this value\n"); 129#endif 130 break; 131 case ELEMENT_INSERTBYTEALIGN_H264: 132#if HEADERS_VERBOSE_OUTPUT 133 drv_debug_msg(VIDEO_DEBUG_GENERAL, "Insert token ELEMENT_INSERTBYTEALIGN_H264 - MTX to generate 'rbsp_trailing_bits()' field\n"); 134#endif 135 break; 136 case ELEMENT_INSERTBYTEALIGN_MPG4: 137#if HEADERS_VERBOSE_OUTPUT 138 drv_debug_msg(VIDEO_DEBUG_GENERAL, "Insert token ELEMENT_INSERTBYTEALIGN_MPG4 - MTX to generate MPEG4 'byte_aligned_bits' field\n"); 139#endif 140 break; 141 default: 142 break; 143 } 144 145 RTotalByteSize += 32; 146#if HEADERS_VERBOSE_OUTPUT 147 drv_debug_msg(VIDEO_DEBUG_GENERAL, "No RAW bits\n\n"); 148#endif 149 } 150 } 151 152 /* TotalByteSize=TotalByteSize+32+(&elt_p[f-1]->Element_Type-&elt_p[0]->Element_Type)*8; */ 153 154#if HEADERS_VERBOSE_OUTPUT 155 drv_debug_msg(VIDEO_DEBUG_GENERAL, "\nCombined ELEMENTS Stream:\n"); 156 Show_Bits((IMG_UINT8 *) mtx_hdr->asElementStream, 0, RTotalByteSize); 157#endif 158} 159#endif 160 161 162/** 163 * Header Writing Functions 164 * Low level bit writing and ue, se functions 165 * HOST CODE 166 */ 167static void pnw__write_upto8bits_elements( 168 MTX_HEADER_PARAMS *mtx_hdr, 169 MTX_HEADER_ELEMENT **elt_p, 170 IMG_UINT8 wrt_bits, 171 IMG_UINT16 bit_cnt) 172{ 173 /* This is the core function to write bits/bytes 174 * to a header stream, it writes them directly to ELEMENT structures. 175 */ 176 IMG_UINT8 *wrt_bytes_p; 177 IMG_UINT8 *size_bits_p; 178 union { 179 IMG_UINT32 UI16Input; 180 IMG_UINT8 UI8Input[2]; 181 } InputVal = {0, }; 182 IMG_UINT8 OutByteIndex; 183 IMG_INT16 Shift; 184 185 if (bit_cnt == 0) return; 186 187 /* WA for klockwork */ 188 if (mtx_hdr->Elements >= MAXNUMBERELEMENTS) { 189 drv_debug_msg(VIDEO_DEBUG_ERROR, "mtx_hdr->Elments overflow\n"); 190 return; 191 } 192 193 /* First ensure that unused bits in wrt_bits are zeroed */ 194 wrt_bits &= (0x00ff >> (8 - bit_cnt)); 195 196 InputVal.UI16Input = 0; 197 198 /* Pointer to the bit count field */ 199 size_bits_p = &(elt_p[mtx_hdr->Elements]->Size); 200 201 /* Pointer to the space where header bits are to be written */ 202 wrt_bytes_p = &(elt_p[mtx_hdr->Elements]->Bits); 203 204 OutByteIndex = (size_bits_p[0] / 8); 205 206 if (!(size_bits_p[0] & 7)) { 207 if (size_bits_p[0] >= 120) { 208 /* Element maximum bits send to element, time to start a new one */ 209 mtx_hdr->Elements++; /* Increment element index */ 210 /* Element pointer set to position of next element (120/8 = 15 bytes) */ 211 elt_p[mtx_hdr->Elements] = (MTX_HEADER_ELEMENT *) & wrt_bytes_p[15]; 212 213 /* Write ELEMENT_TYPE */ 214 elt_p[mtx_hdr->Elements]->Element_Type = ELEMENT_RAWDATA; 215 216 /* Set new element size (bits) to zero */ 217 elt_p[mtx_hdr->Elements]->Size = 0; 218 219 /* Begin writing to the new element */ 220 pnw__write_upto8bits_elements(mtx_hdr, elt_p, wrt_bits, bit_cnt); 221 return; 222 } 223 224 wrt_bytes_p[OutByteIndex] = 0; /* Beginning a new byte, clear byte */ 225 } 226 227 Shift = (IMG_INT16)((8 - bit_cnt) - (size_bits_p[0] & 7)); 228 229 if (Shift >= 0) { 230 wrt_bits <<= Shift; 231 wrt_bytes_p[OutByteIndex] |= wrt_bits; 232 size_bits_p[0] = size_bits_p[0] + bit_cnt; 233 } else { 234 InputVal.UI8Input[1] = (IMG_UINT8) wrt_bits + 256; 235 InputVal.UI16Input >>= -Shift; 236 237 wrt_bytes_p[OutByteIndex] |= InputVal.UI8Input[1]; 238 239 size_bits_p[0] = size_bits_p[0] + bit_cnt; 240 size_bits_p[0] = size_bits_p[0] - ((IMG_UINT8) - Shift); 241 InputVal.UI8Input[0] = InputVal.UI8Input[0] >> (8 + Shift); 242 243 pnw__write_upto8bits_elements(mtx_hdr, elt_p, InputVal.UI8Input[0], (IMG_UINT16) - Shift); 244 } 245} 246 247static void pnw__write_upto32bits_elements( 248 MTX_HEADER_PARAMS *mtx_hdr, 249 MTX_HEADER_ELEMENT **elt_p, 250 IMG_UINT32 wrt_bits, 251 IMG_UINT32 bit_cnt) 252{ 253 IMG_UINT32 BitLp; 254 IMG_UINT32 EndByte; 255 IMG_UINT8 Bytes[4]; 256 257 for (BitLp = 0; BitLp < 4; BitLp++) { 258 Bytes[BitLp] = (IMG_UINT8)(wrt_bits & 255); 259 wrt_bits = wrt_bits >> 8; 260 } 261 262 EndByte = ((bit_cnt + 7) / 8); 263 264 if ((bit_cnt) % 8) 265 pnw__write_upto8bits_elements(mtx_hdr, elt_p, Bytes[EndByte-1], (IMG_UINT8)((bit_cnt) % 8)); 266 else 267 pnw__write_upto8bits_elements(mtx_hdr, elt_p, Bytes[EndByte-1], 8); 268 269 if (EndByte > 1) 270 for (BitLp = EndByte - 1; BitLp > 0; BitLp--) { 271 pnw__write_upto8bits_elements(mtx_hdr, elt_p, Bytes[BitLp-1], 8); 272 } 273} 274 275static void pnw__generate_ue( 276 MTX_HEADER_PARAMS *mtx_hdr, 277 MTX_HEADER_ELEMENT **elt_p, 278 IMG_UINT32 uiVal) 279{ 280 IMG_UINT32 uiLp; 281 IMG_UINT8 ucZeros; 282 IMG_UINT32 uiChunk; 283 284 for (uiLp = 1, ucZeros = 0; (uiLp - 1) < uiVal ; uiLp = uiLp + uiLp, ucZeros++) 285 uiVal = uiVal - uiLp; 286 287 /* ucZeros = number of preceding zeros required 288 * uiVal = value to append after zeros and 1 bit 289 */ 290 291 /* Write preceding zeros */ 292 for (uiLp = (IMG_UINT32) ucZeros; uiLp + 1 > 8; uiLp -= 8) 293 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 8); 294 295 /* Write zeros and 1 bit set */ 296 pnw__write_upto8bits_elements(mtx_hdr, elt_p, (IMG_UINT8) 1, (IMG_UINT8)(uiLp + 1)); 297 298 /* Write Numeric part */ 299 while (ucZeros > 8) { 300 ucZeros -= 8; 301 uiChunk = (uiVal >> ucZeros); 302 pnw__write_upto8bits_elements(mtx_hdr, elt_p, (IMG_UINT8) uiChunk, 8); 303 uiVal = uiVal - (uiChunk << ucZeros); 304 } 305 306 pnw__write_upto8bits_elements(mtx_hdr, elt_p, (IMG_UINT8) uiVal, ucZeros); 307} 308 309 310static void pnw__generate_se( 311 MTX_HEADER_PARAMS *mtx_hdr, 312 MTX_HEADER_ELEMENT **elt_p, 313 int iVal) 314{ 315 IMG_UINT32 uiCodeNum; 316 317 if (iVal > 0) 318 uiCodeNum = (IMG_UINT32)(iVal + iVal - 1); 319 else 320 uiCodeNum = (IMG_UINT32)(-iVal - iVal); 321 322 pnw__generate_ue(mtx_hdr, elt_p, uiCodeNum); 323} 324 325 326static void pnw__insert_element_token( 327 MTX_HEADER_PARAMS *mtx_hdr, 328 MTX_HEADER_ELEMENT **elt_p, 329 HEADER_ELEMENT_TYPE Token) 330{ 331 IMG_UINT8 Offset; 332 IMG_UINT8 *P; 333 334 if (mtx_hdr->Elements != ELEMENTS_EMPTY && 335 mtx_hdr->Elements > (MAXNUMBERELEMENTS - 1)) 336 return; 337 338 if (mtx_hdr->Elements != ELEMENTS_EMPTY) { 339 if (elt_p[mtx_hdr->Elements]->Element_Type == ELEMENT_STARTCODE_RAWDATA 340 || elt_p[mtx_hdr->Elements]->Element_Type == ELEMENT_RAWDATA) { 341 /*Add a new element aligned to word boundary 342 *Find RAWBit size in bytes (rounded to word boundary)) 343 */ 344 345 /* NumberofRawbits (excluding size of bit count field)+ size of the bitcount field */ 346 Offset = elt_p[mtx_hdr->Elements]->Size + 8 + 31; 347 Offset /= 32;/* Now contains rawbits size in words */ 348 Offset += 1;/* Now contains rawbits+element_type size in words */ 349 Offset *= 4;/* Convert to number of bytes (total size of structure in bytes, aligned to word boundary) */ 350 } else { 351 Offset = 4; 352 } 353 354 mtx_hdr->Elements++; 355 356 if (mtx_hdr->Elements > (MAXNUMBERELEMENTS - 1)) 357 return; 358 P = (IMG_UINT8 *) elt_p[mtx_hdr->Elements-1]; 359 P += Offset; 360 elt_p[mtx_hdr->Elements] = (MTX_HEADER_ELEMENT *) P; 361 } else 362 mtx_hdr->Elements = 0; 363 364 elt_p[mtx_hdr->Elements]->Element_Type = Token; 365 elt_p[mtx_hdr->Elements]->Size = 0; 366} 367 368/* 369 * Intermediary functions to build H264 headers 370 */ 371static void pnw__H264_writebits_startcode_prefix_element( 372 MTX_HEADER_PARAMS *mtx_hdr, 373 MTX_HEADER_ELEMENT **elt_p, 374 IMG_UINT32 ByteSize) 375{ 376 /* GENERATES THE FIRST ELEMENT OF THE H264_SEQUENCE_HEADER() STRUCTURE */ 377 IMG_UINT32 Lp; 378 379 /* 380 * Byte aligned (bit 0) 381 * (3 bytes in slice header when slice is first in a picture 382 * without sequence/picture_header before picture 383 */ 384 385 for (Lp = 0; Lp < ByteSize - 1; Lp++) 386 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 8); 387 388 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 8); 389 390 /* Byte aligned (bit 32 or 24) */ 391 return; 392} 393 394 395static void pnw__H264_writebits_VUI_params( 396 MTX_HEADER_PARAMS *mtx_hdr, 397 MTX_HEADER_ELEMENT **elt_p, 398 H264_VUI_PARAMS *VUIParams) 399{ 400 /* Builds VUI Params for the Sequence Header (only present in the 1st sequence of stream) */ 401 if (VUIParams->aspect_ratio_info_present_flag && (VUIParams->aspect_ratio_idc == 0xff)) { 402 /* aspect_ratio_info_present_flag u(1) */ 403 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 404 /* aspect_ratio_idc u(8) Extended_SAR */ 405 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0xff, 8); 406 /* sar_width u(16) */ 407 pnw__write_upto32bits_elements(mtx_hdr, elt_p, VUIParams->sar_width, 16); 408 /* sar_height u(16) */ 409 pnw__write_upto32bits_elements(mtx_hdr, elt_p, VUIParams->sar_height, 16); 410 } else { 411 /* aspect_ratio_info_present_flag u(1) */ 412 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 413 } 414 415 pnw__write_upto8bits_elements( 416 mtx_hdr, elt_p, 417 (0 << 3) | /* overscan_info_present_flag (1 bit) = 0 in Topaz */ 418 (0 << 2) | /* video_signal_type_present_flag (1 bit) = 0 in Topaz */ 419 (0 << 1) | /* chroma_loc_info_present_flag (1 bit) = 0 in Topaz */ 420 (1),/* timing_info_present_flag (1 bit) = 1 in Topaz */ 421 4); 422 423 /* num_units_in_tick (32 bits) = 1 in Topaz */ 424 pnw__write_upto32bits_elements(mtx_hdr, elt_p, VUIParams->num_units_in_tick, 32); 425 426 /* time_scale (32 bits) = frame rate */ 427 pnw__write_upto32bits_elements(mtx_hdr, elt_p, VUIParams->Time_Scale, 32); 428 429 /* fixed_frame_rate_flag (1 bit) = 1 in Topaz */ 430 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 431 /* nal_hrd_parameters_present_flag (1 bit) = 1 in Topaz */ 432 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 433 434 /** Definitions for nal_hrd_parameters() contained in VUI structure for Topaz 435 * cpb_cnt_minus1 ue(v) = 0 in Topaz = 1b 436 */ 437 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 438 /* bit_rate_scale (4 bits) = 0 in Topaz, cpb_size_scale (4 bits) = 0 in Topaz */ 439 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 4); 440 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 2, 4); 441 442 /* bit_rate_value_minus1[0] ue(v) = (Bitrate/64)-1 [RANGE:0 to (2^32)-2] */ 443 pnw__generate_ue(mtx_hdr, elt_p, VUIParams->bit_rate_value_minus1); 444 /* cpb_size_value_minus1[0] ue(v) = (CPB_Bits_Size/16)-1 445 * where CPB_Bits_Size = 1.5 * Bitrate [RANGE:0 to (2^32)-2] 446 */ 447 pnw__generate_ue(mtx_hdr, elt_p, VUIParams->cbp_size_value_minus1); 448 449 /* cbr_flag[0] (1 bit) = 0 for VBR, 1 for CBR */ 450 pnw__write_upto8bits_elements(mtx_hdr, elt_p, VUIParams->CBR, 1); 451 452 pnw__write_upto8bits_elements( 453 mtx_hdr, elt_p, 454 VUIParams->initial_cpb_removal_delay_length_minus1, 455 5); /* initial_cpb_removal_delay_length_minus1 (5 bits) = ??? */ 456 457 pnw__write_upto8bits_elements( 458 mtx_hdr, 459 elt_p, 460 VUIParams->cpb_removal_delay_length_minus1, 461 5); /* cpb_removal_delay_length_minus1 (5 bits) = ??? */ 462 463 pnw__write_upto8bits_elements( 464 mtx_hdr, elt_p, 465 VUIParams->dpb_output_delay_length_minus1, 466 5); /* dpb_output_delay_length_minus1 (5 bits) = ??? */ 467 468 pnw__write_upto8bits_elements( 469 mtx_hdr, 470 elt_p, 471 VUIParams->time_offset_length, 472 5); /* time_offst_length (5 bits) = ??? */ 473 474 /* End of nal_hrd_parameters() */ 475 476 pnw__write_upto8bits_elements( 477 mtx_hdr, 478 elt_p, 479 0, 1);/* vcl_hrd_parameters_present_flag (1 bit) = 0 in Topaz */ 480 481 /* if( nal_hrd_parameters_present_flag || vcl_hrd_parameters_present_flag ) 482 * FIX for BRN23039 483 * low_delay_hrd_flag 484 */ 485 pnw__write_upto8bits_elements( 486 mtx_hdr, elt_p, 487 0, 1);/* low_delay_hrd_flag */ 488 489 490 pnw__write_upto8bits_elements( 491 mtx_hdr, elt_p, 492 0, 1);/* pic_struct_present_flag (1 bit) = 0 in Topaz */ 493 494 pnw__write_upto8bits_elements( 495 mtx_hdr, elt_p, 496 0, 1);/* bitstream_restriction_flag (1 bit) = 0 in Topaz */ 497} 498 499 500static void pnw__H264_writebits_picture_header( 501 MTX_HEADER_PARAMS *pMTX_Header, 502 MTX_HEADER_ELEMENT **aui32ElementPointers, 503 IMG_BOOL bCabacEnabled, 504 IMG_BOOL b_8x8transform, 505 IMG_BOOL bIntraConstrained, 506 IMG_INT8 i8CbQPOffset, 507 IMG_INT8 i8CrQPOffset) 508{ 509 //**-- Begin building the picture header element 510 IMG_UINT8 ui8ECMF = (bCabacEnabled ? 1 : 0); 511 512 pnw__insert_element_token(pMTX_Header, aui32ElementPointers, ELEMENT_STARTCODE_RAWDATA); 513 514 pnw__H264_writebits_startcode_prefix_element(pMTX_Header, aui32ElementPointers, 4); 515 516 ///* GENERATES THE FIRST (STATIC) ELEMENT OF THE H264_PICTURE_HEADER() STRUCTURE */// 517 ///**** ELEMENT BITCOUNT: 18 518 519 // 4 Byte StartCodePrefix Pregenerated in: H264_WriteBits_StartCodePrefix_Element() 520 // Byte aligned (bit 32) 521 pnw__write_upto8bits_elements(pMTX_Header, 522 aui32ElementPointers, 523 (0 << 7) | // forbidden_zero_bit 524 (1 << 5) | // nal_ref_idc (2 bits) = 1 525 (8), // nal_unit_tpye (5 bits) = 8 526 8); 527 // Byte aligned (bit 40) 528 pnw__write_upto8bits_elements(pMTX_Header, 529 aui32ElementPointers, 530 (1 << 7) | // pic_parameter_set_id ue(v) = 0 in Topaz 531 (1 << 6) | // seq_parameter_set_id ue(v) = 0 in Topaz 532 (ui8ECMF << 5) | // entropy_coding_mode_flag (1 bit) 0 for CAVLC 533 (0 << 4) | // pic_order_present_flag (1 bit) = 0 534 (1 << 3) | // num_slice_group_minus1 ue(v) = 0 in Topaz 535 (1 << 2) | // num_ref_idx_l0_active_minus1 ue(v) = 0 in Topaz 536 (1 << 1) | // num_ref_idx_l1_active_minus1 ue(v) = 0 in Topaz 537 (0), // weighted_pred_flag (1 bit) = 0 in Topaz 538 8); 539 // Byte aligned (bit 48) 540 // weighted_bipred_flag (2 bits) = 0 in Topaz 541 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 0, 2); 542 543 //MTX fills this value in 544 pnw__insert_element_token(pMTX_Header, aui32ElementPointers, ELEMENT_QP); 545 pnw__insert_element_token(pMTX_Header, aui32ElementPointers, ELEMENT_RAWDATA); 546 547 ///**** GENERATES THE SECOND ELEMENT OF THE H264_PICTURE_HEADER() STRUCTURE ****/// 548 ///**** ELEMENT BITCOUNT: 5 549 //The following field will be generated as a special case by MTX - so not here 550 // pnw__generate_se(pMTX_Header, pPHParams->pic_init_qp_minus26); 551 // pic_int_qp_minus26 se(v) = -26 to 25 in Topaz 552 // pic_int_qs_minus26 se(v) = 0 in Topaz 553 //chroma_qp_index_offset se(v) = 0 in Topaz 554 pnw__generate_se(pMTX_Header, aui32ElementPointers, 0); 555 pnw__generate_se(pMTX_Header, aui32ElementPointers, i8CbQPOffset); 556 pnw__write_upto8bits_elements(pMTX_Header, 557 aui32ElementPointers, 558 // deblocking_filter_control_present_flag (1 bit) = 1 in Topaz 559 (1 << 2) | 560 // constrained_intra_pred_Flag (1 bit) = 0 in Topaz 561 ((bIntraConstrained ? 1 : 0) << 1) | 562 (0),// redundant_pic_cnt_present_flag (1 bit) = 0 in Topaz 563 3); 564 // Byte align is done using an element command (MTX elements in this structure, we don't know it's size) 565 566 if (b_8x8transform || (i8CbQPOffset != i8CrQPOffset)) { 567 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 568 (b_8x8transform << 1) | // 8x8 transform flag 569 (0), // pic_scaling_matrix_present_flag 570 2); 571 pnw__generate_se(pMTX_Header, aui32ElementPointers, i8CrQPOffset); 572 // second_chroma_qp_index_offset se(v) = 0 in Topaz 573 } 574 // Tell MTX to insert the byte align field (we don't know final stream size for alignment at this point) 575 pnw__insert_element_token(pMTX_Header, aui32ElementPointers, ELEMENT_INSERTBYTEALIGN_H264); 576 577 return; 578} 579 580 581static void pnw__H264_writebits_slice_header0( 582 MTX_HEADER_PARAMS *mtx_hdr, 583 MTX_HEADER_ELEMENT **elt_p, 584 H264_SLICE_HEADER_PARAMS *pSlHParams) 585{ 586 /* GENERATES THE FIRST ELEMENT OF THE H264_SLICE_HEADER() STRUCTURE 587 * ELEMENT BITCOUNT: 8 588 * 589 * StartCodePrefix Pregenerated in: Build_H264_4Byte_StartCodePrefix_Element() (4 or 3 bytes) 590 * (3 bytes when slice is first in a picture without sequence/picture_header before picture 591 * Byte aligned (bit 32 or 24) 592 * NOTE: Slice_Type and Frame_Type are always the same, hence SliceFrame_Type 593 */ 594 pnw__write_upto8bits_elements( 595 mtx_hdr, elt_p, 596 (0 << 7) |/* forbidden_zero_bit */ 597 ((pSlHParams->SliceFrame_Type == SLHP_B_SLICEFRAME_TYPE ? 0 : 1) << 5) | /* nal_ref_idc (2 bits) = 0 for B-frame and 1 for I or P-frame */ 598 ((pSlHParams->SliceFrame_Type == SLHP_IDR_SLICEFRAME_TYPE ? 5 : 1)),/* nal_unit_tpye (5 bits) = I-frame IDR, and 1 for rest */ 599 8); 600} 601 602 603static void pnw__H264_writebits_slice_header1( 604 MTX_HEADER_PARAMS *mtx_hdr, 605 MTX_HEADER_ELEMENT **elt_p, 606 H264_SLICE_HEADER_PARAMS *pSlHParams, 607 IMG_UINT16 uiIdrPicId) 608{ 609 /* GENERATES THE SECOND ELEMENT OF THE H264_SLICE_HEADER() STRUCTURE 610 * The following is slice parameter set in BP/MP 611 */ 612 613 /* first_mb_in_slice = First MB address in slice: ue(Range 0 - 1619) */ 614 pnw__generate_ue(mtx_hdr, elt_p, (IMG_UINT32) pSlHParams->First_MB_Address); 615 616 pnw__generate_ue( 617 mtx_hdr, elt_p, 618 (IMG_UINT32)((pSlHParams->SliceFrame_Type == SLHP_IDR_SLICEFRAME_TYPE) ? SLHP_I_SLICEFRAME_TYPE : pSlHParams->SliceFrame_Type)); /* slice_type ue(v): 0 for P-slice, 1 for B-slice, 2 for I-slice */ 619 620 /* kab: not clean change from IDR to intra, IDR should have separate flag */ 621 622 pnw__write_upto8bits_elements( 623 mtx_hdr, elt_p, 624 (1 << 5) | /* pic_parameter_set_id, ue(v) = 0 (=1b) in Topaz */ 625 pSlHParams->Frame_Num_DO,/* frame_num (5 bits) = frame nuo. in decoding order */ 626 6); 627 628 /* frame_mb_only_flag is always 1, so no need for field_pic_flag or bottom_field_flag */ 629 if (pSlHParams->SliceFrame_Type == SLHP_IDR_SLICEFRAME_TYPE) 630 pnw__generate_ue(mtx_hdr, elt_p, uiIdrPicId);/* idr_pic_id ue(v) = 0 (1b) in Topaz */ 631 632 /* kab: Idr_pic_id only for IDR, not nessesarely for all I pictures */ 633 634 /* customer request POC type should be 2*/ 635 /* if (pic_order_cnt_type == 0) Note: (pic_order_cnt_type always 0 in Topaz) 636 pnw__write_upto8bits_elements( 637 mtx_hdr, elt_p, 638 pSlHParams->Picture_Num_DO, 639 6); pic_order_cnt_lsb (6 bits) - picture no in display order */ 640 641#if 0 642 if (pSlHParams->SliceFrame_Type == SLHP_B_SLICEFRAME_TYPE) 643 pnw__write_upto8bits_elements( 644 mtx_hdr, 645 elt_p, 646 0, 647 1);/* direct_spatial_mv_pred_flag (1 bit) = 0, spatial direct mode not supported in Topaz */ 648#endif 649 650 if (pSlHParams->SliceFrame_Type == SLHP_P_SLICEFRAME_TYPE || pSlHParams->SliceFrame_Type == SLHP_B_SLICEFRAME_TYPE) 651 pnw__write_upto8bits_elements( 652 mtx_hdr, 653 elt_p, 654 0, 655 1);/* num_ref_idx_active_override_flag (1 bit) = 0 in Topaz */ 656 657 if (pSlHParams->SliceFrame_Type != SLHP_I_SLICEFRAME_TYPE && 658 pSlHParams->SliceFrame_Type != SLHP_IDR_SLICEFRAME_TYPE) { 659 /* 660 if (pSlHParams->UsesLongTermRef) { 661 // ref_pic_list_ordering_flag_I0 (1 bit) = 1, L0 reference picture ordering 662 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 663 // modification_of_pic_nums_idc = 2 664 pnw__generate_ue(mtx_hdr, elt_p, 2); 665 // long_term_pic_num = 0 666 pnw__generate_ue(mtx_hdr, elt_p, 0); 667 // modification_of_pic_nums_idc = 3 668 pnw__generate_ue(mtx_hdr, elt_p, 3); 669 } else 670 */ 671 pnw__write_upto8bits_elements( 672 mtx_hdr, 673 elt_p, 674 0, 675 1);/* ref_pic_list_ordering_flag_I0 (1 bit) = 0 */ 676 } 677 678#if 0 679 if (pSlHParams->SliceFrame_Type == SLHP_B_SLICEFRAME_TYPE) 680 pnw__write_upto8bits_elements( 681 mtx_hdr, 682 elt_p, 683 0, 684 1); /* ref_pic_list_ordering_flag_I1 (1 bit) = 0, no reference picture ordering in Topaz */ 685#endif 686 687 if (pSlHParams->SliceFrame_Type == SLHP_IDR_SLICEFRAME_TYPE) { 688 /* no_output_of_prior_pics_flag (1 bit) = 0 */ 689 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 690 /* long_term_reference_flag (1 bit)*/ 691 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 692 pSlHParams->IsLongTermRef ? 1 : 0, 1); 693 } 694#if 0 695 else if (pSlHParams->UsesLongTermRef) { 696 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1);/* long_term_reference_flag (1 bit) = 0 */ 697 // Allow a single long-term reference 698 pnw__generate_ue(mtx_hdr, elt_p, 4); 699 // memory_management_control_operation 700 pnw__generate_ue(mtx_hdr, elt_p, 1); 701 702 // Set current picture as the long-term reference 703 // memory_management_control_operation 704 pnw__generate_ue(mtx_hdr, elt_p, 6); 705 // long_term_frame_idx 706 pnw__generate_ue(mtx_hdr, elt_p, 0); 707 708 // End 709 pnw__generate_ue(mtx_hdr, elt_p, 0); 710 } 711#endif 712 else { 713 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1);/* adaptive_ref_pic_marking_mode_flag (1 bit) = 0 */ 714 } 715} 716 717 718static void pnw__H264_writebits_slice_header2( 719 MTX_HEADER_PARAMS *mtx_hdr, 720 MTX_HEADER_ELEMENT **elt_p, 721 H264_SLICE_HEADER_PARAMS *pSlHParams) 722{ 723 /* GENERATES ELEMENT OF THE H264_SLICE_HEADER() STRUCTURE 724 * ELEMENT BITCOUNT: 11 725 */ 726 727#if 0 728 /* Next field is generated on MTX with a special commnad (not ELEMENT_RAW) - so not defined here */ 729 730 /* slice_qp_delta se(v) = SliceQPy - (pic_init_qp_minus26+26) */ 731 /* pucHS=pnw__generate_se(pucHS, puiBitPos, pSlHParams->Slice_QP_Delta); */ 732#endif 733 734 pnw__generate_ue( 735 mtx_hdr, 736 elt_p, 737 pSlHParams->Disable_Deblocking_Filter_Idc); /* disable_deblocking_filter_idc ue(v) = 2? */ 738 739 if (pSlHParams->Disable_Deblocking_Filter_Idc != 1) { 740 pnw__generate_se(mtx_hdr, elt_p, 0); /* slice_alpha_c0_offset_div2 se(v) = 0 (1b) in Topaz */ 741 pnw__generate_se(mtx_hdr, elt_p, 0); /* slice_beta_offset_div2 se(v) = 0 (1b) in Topaz */ 742 } 743 744 /* num_slice_groups_minus1 ==0 in Topaz, so no slice_group_change_cycle field here 745 * no byte alignment at end of slice headers 746 */ 747} 748 749static void pnw__H264_writebits_sequence_header( 750 MTX_HEADER_PARAMS *pMTX_Header, 751 MTX_HEADER_ELEMENT **aui32ElementPointers, 752 H264_SEQUENCE_HEADER_PARAMS *pSHParams, H264_CROP_PARAMS *psCrop) 753{ 754 IMG_UINT8 ui8SBP; 755 756 pnw__insert_element_token(pMTX_Header, 757 aui32ElementPointers, 758 ELEMENT_STARTCODE_RAWDATA); 759 760 pnw__H264_writebits_startcode_prefix_element(pMTX_Header, 761 aui32ElementPointers, 762 4); 763 764 ///**** GENERATES THE FIRST ELEMENT OF THE H264_SEQUENCE_HEADER() STRUCTURE ****/// 765 766 // 4 Byte StartCodePrefix Pregenerated in: H264_WriteBits_StartCodePrefix_Element() 767 // Byte aligned (bit 32) 768 pnw__write_upto8bits_elements(pMTX_Header, 769 aui32ElementPointers, (0 << 7) | // forbidden_zero_bit=0 770 (0x3 << 5) | // nal_ref_idc=01 (may be 11) 771 (7), // nal_unit_type=00111 772 8); 773 774 if (pSHParams->ucProfile != SH_PROFILE_HP) { 775 // profile_idc = 8 bits = 66 for BP (PROFILE_IDC_BP), 77 for MP (PROFILE_IDC_MP) 776 pnw__write_upto8bits_elements(pMTX_Header, 777 aui32ElementPointers, 778 (pSHParams->ucProfile == SH_PROFILE_BP ? 66 : 77), 8); 779 780 // Byte aligned (bit 48) 781 pnw__write_upto8bits_elements(pMTX_Header, 782 // constrain_set0_flag = 1 for BP constraints 783 aui32ElementPointers, (0 << 7) | 784 // constrain_set1_flag = 1 for MP constraints and Constrained Baseline profile. 785 ((pSHParams->ucProfile == SH_PROFILE_BP ? 1 : 0) << 6) | 786 (0 << 5) | // constrain_set2_flag = 1 for HP 787 // constrain_set3_flag = 1 for level 1b, 0 for others 788 ((pSHParams->ucLevel == SH_LEVEL_1B ? 1 : 0) << 4), 789 // reserved_zero_4bits = 0 790 8); 791 // Byte aligned (bit 56) 792 pnw__write_upto8bits_elements(pMTX_Header, 793 aui32ElementPointers, 794 // level_idc (8 bits) = 11 for 1b, 10xlevel for others 795 (IMG_UINT8) pSHParams->ucLevel, 8); 796#if 0 797 // Byte aligned (bit 64) 798 pnw__write_upto8bits_elements(pMTX_Header, 799 // seq_parameter_Set_id = 0 in Topaz -> ue(0)= 1b 800 aui32ElementPointers, (1 << 7) | 801 (2 << 4) |// log2_max_frame_num_minus4 = 1 in Topaz -> ue(1)= 010b 802 (1 << 3) | // pic_order_cnt_type = 0 in Topaz -> ue(0)= 1b 803 (3), // log2_max_pic_order_cnt_Isb_minus4 = 2 in Topaz -> ue(2)= 011b 804 8); 805 // Bytes aligned (bit 72) 806#else 807 /*Customer request POC type should be 2*/ 808 pnw__write_upto8bits_elements(pMTX_Header, 809 // seq_parameter_Set_id = 0 in Topaz -> ue(0)= 1b 810 aui32ElementPointers, (1 << 6) | 811 (2 << 3) |// log2_max_frame_num_minus4 = 1 in Topaz -> ue(1)= 010b 812 (3),// log2_max_pic_order_cnt_Isb_minus4 = 2 in Topaz -> ue(2)= 011b$ 813 7); 814#endif 815 } else { 816#if PSB_MFLD_DUMMY_CODE 817 // Byte aligned (bit 40) 818 // profile_idc = 8 bits = 66 for BP (PROFILE_IDC_BP), 77 for MP (PROFILE_IDC_MP) 819 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 100, 8); 820 821 // Byte aligned (bit 48) 822 pnw__write_upto8bits_elements(pMTX_Header, 823 aui32ElementPointers, (1 << 7) | 824 // constrain_set0_flag = 1 for MP + BP constraints 825 (1 << 6) | // constrain_set1_flag = 1 for MP + BP constraints 826 (0 << 5) | // constrain_set2_flag = always 0 in BP/MP 827 (0 << 4), // constrain_set3_flag = 1 for level 1b, 0 for others 828 // reserved_zero_4bits = 0 829 8); 830 831 // Byte aligned (bit 56) 832 pnw__write_upto8bits_elements(pMTX_Header, 833 aui32ElementPointers, (IMG_UINT8) pSHParams->ucLevel, 8); 834 // level_idc (8 bits) = 11 for 1b, 10xlevel for others 835 836 pnw__generate_ue(pMTX_Header, aui32ElementPointers, 0); 837 // seq_parameter_Set_id = 0 838 pnw__generate_ue(pMTX_Header, aui32ElementPointers, 1); 839 // chroma_format_idc = 1 840 pnw__generate_ue(pMTX_Header, aui32ElementPointers, 0); 841 // bit_depth_luma_minus8 = 0 842 pnw__generate_ue(pMTX_Header, aui32ElementPointers, 0); 843 // bit_depth_chroma_minus8 = 0 844 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 0, 1); 845 // qpprime_y_zero_transform_bypass_flag = 0 846 847 //if (pSHParams->bUseDefaultScalingList) 848 //{ 849 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 1, 1); 850 // seq_scaling_matrix_present_flag 851 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 0, 8); 852 // seq_scaling_matrix_present_flag[i] = 0; 0 < i < 8 853 //} 854 //else 855 //{ 856 // pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 0, 1); // seq_scaling_matrix_present_flag 857 //} 858 859 pnw__generate_ue(pMTX_Header, aui32ElementPointers, 1); 860 // log2_max_frame_num_minus4 = 1 861 // Customer request POC type should be 2. 862 //pnw__generate_ue(pMTX_Header, aui32ElementPointers, 0); 863 // pic_order_cnt_type = 0 864 pnw__generate_ue(pMTX_Header, aui32ElementPointers, 2); 865 // log2_max_pic_order_cnt_Isb_minus4 = 2 866 867 // Bytes aligned (bit 72) 868#endif 869 } 870 // max_num_ref_frames. long term reference isn't used. 871 //pnw__generate_u(pMTX_Header, aui32ElementPointers, pSHParams->max_num_ref_frames); 872 pnw__generate_ue(pMTX_Header, aui32ElementPointers, 1); 873 // gaps_in_frame_num_value_allowed_Flag - (1 bit) 874 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, pSHParams->gaps_in_frame_num_value, 1); 875 876 877 ///**** GENERATES THE SECOND, VARIABLE LENGTH, ELEMENT OF THE H264_SEQUENCE_HEADER() STRUCTURE ****/// 878 ///**** ELEMENT BITCOUNT: xx 879 pnw__generate_ue(pMTX_Header, aui32ElementPointers, pSHParams->ucWidth_in_mbs_minus1); 880 //pic_width_in_mbs_minus1: ue(v) from 10 to 44 (176 to 720 pixel per row) 881 pnw__generate_ue(pMTX_Header, aui32ElementPointers, pSHParams->ucHeight_in_maps_units_minus1); 882 //pic_height_in_maps_units_minus1: ue(v) Value from 8 to 35 (144 to 576 pixels per column) 883 884 // We don't know the alignment at this point, so will have to use bit writing functions 885 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, pSHParams->ucFrame_mbs_only_flag, 1); 886 // frame_mb_only_flag 1=frame encoding, 0=field encoding 887 888#if 0 889 if (!pSHParams->ucFrame_mbs_only_flag) // in the case of interlaced encoding 890 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 0, 1); 891 // mb_adaptive_frame_field_flag = 0 in Topaz(field encoding at the sequence level) 892#endif 893 894 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 1, 1); 895 // direct_8x8_inference_flag=1 in Topaz 896 897 if (psCrop->bClip) { 898 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 1, 1); 899 pnw__generate_ue(pMTX_Header, aui32ElementPointers, psCrop->LeftCropOffset); 900 pnw__generate_ue(pMTX_Header, aui32ElementPointers, psCrop->RightCropOffset); 901 pnw__generate_ue(pMTX_Header, aui32ElementPointers, psCrop->TopCropOffset); 902 pnw__generate_ue(pMTX_Header, aui32ElementPointers, psCrop->BottomCropOffset); 903 904 } else { 905 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 0, 1); 906 } 907 908 ///**** GENERATES THE THIRD ELEMENT OF THE H264_SEQUENCE_HEADER() STRUCTURE ****/// 909 ///**** ELEMENT BITCOUNT: xx 910 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 911 (pSHParams->VUI_Params_Present), 912 // vui_parameters_present_flag (VUI only in 1st sequence of stream) 913 1); 914 if (pSHParams->VUI_Params_Present > 0) 915 pnw__H264_writebits_VUI_params(pMTX_Header, aui32ElementPointers, &(pSHParams->VUI_Params)); 916 917 // Finally we need to align to the next byte 918 // We know the size of the data in the sequence header (no MTX variables) and start is byte aligned, so it's possible to add this field here rather than MTX ELEMENT_INSERTBYTEALIGN_H264 command. 919 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 1, 1); 920 ui8SBP = (aui32ElementPointers[pMTX_Header->Elements]->Size) & 7; 921 if (ui8SBP > 0) 922 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 0, 8 - (ui8SBP)); 923 return; 924} 925 926 927static void pnw__H264_writebits_slice_header( 928 MTX_HEADER_PARAMS *mtx_hdr, 929 MTX_HEADER_ELEMENT **elt_p, 930 H264_SLICE_HEADER_PARAMS *pSlHParams, 931 IMG_BOOL __maybe_unused bCabacEnabled, 932 IMG_UINT16 uiIdrPicId) 933{ 934#ifdef USESTATICWHEREPOSSIBLE 935 IMG_UINT32 *p; 936 p = (IMG_UINT32 *) mtx_hdr; 937 938 p[0] = p[1] = 0; 939 p[2] = 40; 940 if (pSlHParams->SliceFrame_Type == SLHP_B_SLICEFRAME_TYPE) p[3] = 257; 941 else if (pSlHParams->SliceFrame_Type == SLHP_IDR_SLICEFRAME_TYPE) p[3] = 9473; 942 else p[3] = 8449; 943#else 944 /* -- Begin building the picture header element */ 945 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_STARTCODE_RAWDATA); 946 947 pnw__H264_writebits_startcode_prefix_element( 948 mtx_hdr, 949 elt_p, 950 pSlHParams->Start_Code_Prefix_Size_Bytes); /* Can be 3 or 4 bytes - always 4 bytes in our implementations */ 951 pnw__H264_writebits_slice_header0(mtx_hdr, elt_p, pSlHParams); 952#endif 953 954 pnw__H264_writebits_slice_header1(mtx_hdr, elt_p, pSlHParams, uiIdrPicId); 955 956#if 0 957 if (bCabacEnabled && ((SLHP_P_SLICEFRAME_TYPE == pSlHParams->SliceFrame_Type) || 958 (SLHP_B_SLICEFRAME_TYPE == pSlHParams->SliceFrame_Type))) { 959 pnw__generate_ue(mtx_hdr, elt_p, 0); /* hard code cabac_init_idc value of 0 */ 960 } 961#endif 962 963 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_SQP); /* MTX fills this value in */ 964 965 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_RAWDATA); 966 pnw__H264_writebits_slice_header2(mtx_hdr, elt_p, pSlHParams); 967 968 /* no byte alignment at end of slice headers */ 969} 970 971 972static void pnw__H264_getelements_skip_P_slice( 973 MTX_HEADER_PARAMS *mtx_hdr, 974 H264_SLICE_HEADER_PARAMS *pSlHParams, 975 IMG_UINT32 MB_No_In_Slice, 976 IMG_BOOL bCabacEnabled) 977{ 978 /* Skipped P-Slice 979 * Ensure pSlHParams is filled with appropriate parameters for a B-slice 980 * Essential we initialise our header structures before building 981 */ 982 MTX_HEADER_ELEMENT *This_Element; 983 MTX_HEADER_ELEMENT *elt_p[MAXNUMBERELEMENTS]; 984 mtx_hdr->Elements = ELEMENTS_EMPTY; 985 This_Element = (MTX_HEADER_ELEMENT *) mtx_hdr->asElementStream; 986 elt_p[0] = This_Element; 987 988 /* pnw__insert_element_token(mtx_hdr, ELEMENT_STARTCOUNTER); */ 989 /* Not sure if this will be required in the final spec */ 990 pnw__H264_writebits_slice_header(mtx_hdr, elt_p, pSlHParams, bCabacEnabled, 0); 991 pnw__generate_ue(mtx_hdr, elt_p, MB_No_In_Slice); /* mb_skip_run = mb_no_in_slice */ 992 993 /* Tell MTX to insert the byte align field (we don't know final stream size for alignment at this point) */ 994 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_INSERTBYTEALIGN_H264); 995 mtx_hdr->Elements++; /* Has been used as an index, so need to add 1 for a valid element count */ 996} 997 998 999 1000static void pnw__H264_getelements_sequence_header( 1001 MTX_HEADER_PARAMS *mtx_hdr, 1002 H264_SEQUENCE_HEADER_PARAMS *pSHParams, 1003 H264_CROP_PARAMS *psCropParams) 1004{ 1005 /* Builds a sequence, picture and slice header with from the given inputs parameters (start of new frame) 1006 * Essential we initialise our header structures before building 1007 */ 1008 MTX_HEADER_ELEMENT *This_Element; 1009 MTX_HEADER_ELEMENT *elt_p[MAXNUMBERELEMENTS]; 1010 mtx_hdr->Elements = ELEMENTS_EMPTY; 1011 This_Element = (MTX_HEADER_ELEMENT *) mtx_hdr->asElementStream; 1012 elt_p[0] = This_Element; 1013 1014 pnw__H264_writebits_sequence_header(mtx_hdr, elt_p, pSHParams, psCropParams); 1015 mtx_hdr->Elements++; /* Has been used as an index, so need to add 1 for a valid element count */ 1016} 1017 1018 1019 1020static void pnw__H264_getelements_slice_header( 1021 MTX_HEADER_PARAMS *mtx_hdr, 1022 H264_SLICE_HEADER_PARAMS *pSlHParams, 1023 IMG_BOOL bCabacEnabled, 1024 IMG_UINT16 uiIdrPicId) 1025{ 1026 /* Builds a single slice header from the given parameters (mid frame) 1027 * Essential we initialise our header structures before building 1028 */ 1029 MTX_HEADER_ELEMENT *This_Element; 1030 MTX_HEADER_ELEMENT *elt_p[MAXNUMBERELEMENTS]; 1031 mtx_hdr->Elements = ELEMENTS_EMPTY; 1032 This_Element = (MTX_HEADER_ELEMENT *) mtx_hdr->asElementStream; 1033 elt_p[0] = This_Element; 1034 1035 /* Not sure if this will be required in the final spec */ 1036 /* pnw__insert_element_token(mtx_hdr, ELEMENT_STARTCOUNTER);*/ 1037 pnw__H264_writebits_slice_header(mtx_hdr, elt_p, pSlHParams, bCabacEnabled, uiIdrPicId); 1038 1039 mtx_hdr->Elements++; /* Has been used as an index, so need to add 1 for a valid element count */ 1040} 1041 1042 1043static IMG_UINT8 Bits2Code(IMG_UINT32 CodeVal) 1044{ 1045 IMG_UINT8 Bits = 32; 1046 if (CodeVal == 0) 1047 return 1; 1048 while (!(CodeVal & 0x80000000)) { 1049 CodeVal <<= 1; 1050 Bits--; 1051 } 1052 return Bits; 1053} 1054 1055/* 1056 * Intermediary functions to build MPEG4 headers 1057 */ 1058#define MATCH_TO_ENC 1059 1060 1061static void pnw__MPEG4_writebits_sequence_header( 1062 MTX_HEADER_PARAMS *mtx_hdr, 1063 MTX_HEADER_ELEMENT **elt_p, 1064 IMG_BOOL __maybe_unused bBFrame, 1065 MPEG4_PROFILE_TYPE bProfile, 1066 IMG_UINT8 Profile_and_level_indication, 1067 FIXED_VOP_TIME_TYPE __maybe_unused sFixed_vop_time_increment, 1068 IMG_UINT32 Picture_Width_Pixels, 1069 IMG_UINT32 Picture_Height_Pixels, 1070 VBVPARAMS __maybe_unused * sVBVParams, 1071 IMG_UINT32 VopTimeResolution) /* Send NULL pointer if there are no VBVParams */ 1072{ 1073 /* Essential we insert the element before we try to fill it! */ 1074 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_STARTCODE_RAWDATA); 1075 1076 /* visual_object_sequence_start_code = 32 Bits = 0x1B0 */ 1077 pnw__write_upto32bits_elements(mtx_hdr, elt_p, 432, 32); 1078 1079 /* profile_and_level_indication = 8 Bits = SP L0-L3 and SP L4-L5 are supported */ 1080 pnw__write_upto8bits_elements(mtx_hdr, elt_p, Profile_and_level_indication, 8); 1081 1082 /* visual_object_start_code = 32 Bits = 0x1B5 */ 1083 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 8); 1084 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 8); 1085 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 8); 1086 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 181, 8); 1087 1088 /* is_visual_object_identifier = 1 Bit = 0 */ 1089 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1090 1091 /* visual_object_type = 4 Bits = Video ID = 1 */ 1092 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 4); 1093 1094 /* video_signal_type = 1 Bit = 1 */ 1095 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1096 1097 /* byte_aligned_bits = 2 Bits = 01b (byte_aligned_bits is 2-bit stuffing bit field 01) */ 1098 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 2); 1099 1100 /* video_object_start_code = 32 Bits = 0x100 One VO only in a Topaz video stream */ 1101 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 8); 1102 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 8); 1103 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 8); 1104 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 8); 1105 1106 /* video_object_layer_start_code = 32 Bits = 0x120 One VOL only in a Topaz stream */ 1107 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 8); 1108 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 8); 1109 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 8); 1110 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 32, 8); 1111 1112 /* random_accessible_vol = 1 Bit = 0 (P-Frame in GOP) */ 1113 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1114 1115 if (bProfile == SP) { 1116 /* video_object_type_indication = 8 Bits = 0x01 for SP */ 1117 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 8); 1118#ifndef MATCH_TO_ENC 1119 /* is_object_layer_identifier = 1 Bit = 0 for SP */ 1120 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1121#else 1122 /* to match the encoder */ 1123 1124 /* is_object_layer_identifier = 1 Bit */ 1125 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1126 1127 /* video_object_layer_verid = 4 Bits */ 1128 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 4); 1129 1130 /* video_object_layer_priority = 3 Bits */ 1131 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 3); // 0 is reserved... 1132#endif 1133 } else { 1134 /* video_object_type_indication = 8 Bits = 0x11 for ASP */ 1135 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 3, 8); 1136 1137 /* is_object_layer_identifier = 1 Bit = 1 for ASP */ 1138 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1139 1140 /* video_object_layer_verid = 4 Bits = 5 is for ASP */ 1141 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 5, 4); 1142 1143 /* video_object_layer_priority = 3 Bits = 1 (Highest priority) */ 1144 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 3); 1145 } 1146 1147 /* aspect_ratio_info = 4 Bits =0x1 (Square pixel) */ 1148 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 4); 1149#ifndef MATCH_TO_ENC 1150 /* vol_control_parameters = 1 Bit = 1 (Always send VOL control parameters) */ 1151 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1152#else 1153 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1154 1155#endif 1156 1157#ifndef MATCH_TO_ENC 1158 /* chroma_format = 2 Bits = 01b (4:2:0) */ 1159 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 2); 1160 1161 /* low_delay = 1 Bit = 0 with B-frame and 1 without B-frame */ 1162 if (bBFrame) 1163 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1164 else 1165 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1166 1167 /* vbv_parameters = 1 Bit =0/1 */ 1168 if (sVBVParams) { 1169 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1170 1171 /* For recording, only send vbv parameters in 1st sequence header. 1172 * For video phone, it should be sent more often, such as once per sequence 1173 */ 1174 pnw__write_upto32bits_elements( 1175 mtx_hdr, 1176 elt_p, 1177 sVBVParams->First_half_bit_rate, 1178 15); /* first_half_bit_rate */ 1179 1180 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1);/* Marker Bit = 1 */ 1181 pnw__write_upto32bits_elements( 1182 mtx_hdr, 1183 elt_p, 1184 sVBVParams->Latter_half_bit_rate, 1185 15); /* latter_half_bit_rate */ 1186 1187 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1);/* Marker Bit = 1 */ 1188 pnw__write_upto32bits_elements( 1189 mtx_hdr, 1190 elt_p, 1191 sVBVParams->First_half_vbv_buffer_size, 1192 15);/* first_half_vbv_buffer_size */ 1193 1194 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); /* Marker Bit = 1 */ 1195 pnw__write_upto32bits_elements( 1196 mtx_hdr, elt_p, 1197 sVBVParams->Latter_half_vbv_buffer_size, 1198 15); /* latter_half_vbv_buffer_size */ 1199 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1);/* Marker Bit = 1 */ 1200 pnw__write_upto32bits_elements( 1201 mtx_hdr, 1202 elt_p, 1203 sVBVParams->First_half_vbv_occupancy, 1204 15); /* first_half_vbv_occupancy */ 1205 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1);/* Marker Bit = 1 */ 1206 pnw__write_upto32bits_elements( 1207 mtx_hdr, 1208 elt_p, 1209 sVBVParams->Latter_half_vbv_occupancy, 1210 15); /* latter_half_vbv_occupancy */ 1211 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1);/* Marker Bit = 1 */ 1212 } else 1213 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); /* No vbv parameters present */ 1214#endif 1215 /* video_object_layer_shape = 2 Bits = 00b Rectangular shape */ 1216 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 2); 1217 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); /* Marker Bit = 1 */ 1218 1219 /* vop_time_increment_solution = 16 Bits */ 1220 pnw__write_upto32bits_elements(mtx_hdr, elt_p, VopTimeResolution, 16); 1221 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); /* Marker Bit = 1 */ 1222 1223#ifndef MATCH_TO_ENC 1224 /* fixed_vop_rate = 1 Bits = 1 Always fixed frame rate */ 1225 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1226 1227 /* fixed_vop_time_increment = Variable number of bits based on the time increment resolution. */ 1228 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, Bits2Code(VopTimeResolution - 1)); 1229 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); /* Marker Bit = 1 */ 1230#else 1231 /* fixed_vop_rate = 1 Bits = 0 */ 1232 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1233 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); /* Marker Bit = 1 */ 1234 1235#endif 1236 /* video_object_layer_width = 13 Bits Picture width in pixel units */ 1237 pnw__write_upto32bits_elements(mtx_hdr, elt_p, Picture_Width_Pixels, 13); 1238 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); /* Marker Bit = 1 */ 1239 1240 /* video_object_layer_height = 13 Bits Picture height in pixel units */ 1241 pnw__write_upto32bits_elements(mtx_hdr, elt_p, Picture_Height_Pixels, 13); 1242 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); /* Marker Bit = 1 */ 1243 1244 /* interlaced = 1 Bit = 0 Topaz only encodes progressive frames */ 1245 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1246 1247 /* obmc_disable = 1 Bit = 1 No overlapped MC in Topaz */ 1248 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1249 1250 /* sprite_enable = 1 Bit = 0 Not use sprite in Topaz */ 1251 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1252 1253 /* not_8_bit = 1 Bit = 0 8-bit video in Topaz */ 1254 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1255 1256 /* quant_type = 1 Bit = 0 2nd quantization method in Topaz */ 1257 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1258 1259 if (bProfile == ASP) { 1260 /* quarter_sample = 1 Bit = 0 No �-pel MC in Topaz */ 1261 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1262 } 1263 1264 /* complexity_estimation_disable = 1 Bit = 1 No complexity estimation in Topaz */ 1265 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1266#ifndef MATCH_TO_ENC 1267 1268 /* resync_marker_disable = 1 Bit = 0 Always enable resync marker in Topaz */ 1269 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1270#else 1271 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1272#endif 1273 /* data_partitioned = 1 Bit = 0 No data partitioning in Topaz */ 1274 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1275 1276 if (bProfile == ASP) { 1277 /* newpred_enable = 1 Bit = 0 No newpred mode in SP/ASP */ 1278 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1279 /* reduced_vop_resolution_enable=1 Bit = 0 No reduced resolution frame in SP/ASP */ 1280 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1281 } 1282 1283 /* scalability = 1 Bit = 0 No scalability in SP/ASP */ 1284 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1285 1286 /* byte_aligned_bits */ 1287 1288 /* Tell MTX to insert the byte align field 1289 * (we don't know final stream size for alignment at this point) 1290 */ 1291 pnw__insert_element_token( 1292 mtx_hdr, 1293 elt_p, 1294 ELEMENT_INSERTBYTEALIGN_MPG4); 1295 1296 return; 1297} 1298 1299 1300/* Utility function */ 1301/* 1302 IMG_UINT8 Bits2Code(IMG_UINT32 CodeVal) 1303 { 1304 IMG_UINT8 Bits=32; 1305 if(CodeVal==0) 1306 return 1; 1307 while(!(CodeVal & 0x80000000)) 1308 { 1309 CodeVal<<=1; 1310 Bits--; 1311 } 1312 return Bits; 1313 } 1314*/ 1315 1316/* MPEG 4 VOP (Picture) Header */ 1317static void pnw__MPEG4_writebits_VOP_header( 1318 MTX_HEADER_PARAMS *mtx_hdr, 1319 MTX_HEADER_ELEMENT **elt_p, 1320 IMG_BOOL bIsVOP_coded, 1321 IMG_UINT8 VOP_time_increment, 1322 SEARCH_RANGE_TYPE sSearch_range, 1323 VOP_CODING_TYPE sVopCodingType, 1324 IMG_UINT32 VopTimeResolution) 1325{ 1326 IMG_BOOL bIsSyncPoint; 1327 /* Essential we insert the element before we try to fill it! */ 1328 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_STARTCODE_RAWDATA); 1329 1330 /* visual_object_sequence_start_code = 32 Bits = 0x1B6 */ 1331 pnw__write_upto32bits_elements(mtx_hdr, elt_p, 438, 32); 1332 1333 /* vop_coding_type = 2 Bits = 0 for I-frame and 1 for P-frame */ 1334 pnw__write_upto8bits_elements(mtx_hdr, elt_p, sVopCodingType, 2); 1335 bIsSyncPoint = (VOP_time_increment > 1) && ((VOP_time_increment) % VopTimeResolution == 0); 1336 1337#ifndef MATCH_TO_ENC 1338 /* modulo_time_base = 1 Bit = 0 As at least 1 synchronization point (I-frame) per second in Topaz */ 1339 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1340#else 1341 1342 pnw__write_upto8bits_elements(mtx_hdr, elt_p, bIsSyncPoint ? 2 : 0 , bIsSyncPoint ? 2 : 1); 1343 1344#endif 1345 1346 /* marker_bit = 1 Bits = 1 */ 1347 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1348 1349#ifndef MATCH_TO_ENC 1350 /* vop_time_increment = Variable bits based on resolution 1351 * = x Reset to 0 at I-frame and plus fixed_vop_time_increment each frame 1352 */ 1353 pnw__write_upto8bits_elements(mtx_hdr, elt_p, VOP_time_increment, 5); 1354#else 1355 /* will chrash here... */ 1356 pnw__write_upto8bits_elements( 1357 mtx_hdr, elt_p, 1358 (VOP_time_increment) % VopTimeResolution, 1359 Bits2Code(VopTimeResolution - 1)); 1360 1361#endif 1362 /* marker_bit = 1 Bit = 1 */ 1363 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1364 1365 if (!bIsVOP_coded) { 1366 /* vop_coded = 1 Bit = 0 for skipped frame */ 1367 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1368 1369 /* byte_aligned_bits (skipped pictures are byte aligned) */ 1370 /* Tell MTX to insert the byte align field (we don't know final stream size for alignment at this point) 1371 * End of VOP - skipped picture 1372 */ 1373 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_INSERTBYTEALIGN_MPG4); 1374 } else { 1375 /* vop_coded = 1 Bit = 1 for normal coded frame */ 1376 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1377 1378 if (sVopCodingType == P_FRAME) { 1379 /* vop_rounding_type = 1 Bit = 0 vop_rounding_type is 0 in Topaz */ 1380 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1381 } 1382 1383 /* intra_dc_vlc_thr = 3 Bits = 0 Use intra DC VLC in Topaz */ 1384 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 3); 1385 1386 /* vop_quant = 5 Bits = x 5-bit frame Q_scale from rate control - GENERATED BY MTX */ 1387 /* pnw__write_upto8bits_elements(mtx_hdr, elt_p, Frame_Q_scale, 5); */ 1388 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_FRAMEQSCALE); 1389 1390 if (sVopCodingType == P_FRAME) { 1391 /* vop_fcode_forward = 3 bits = 2 for +/-32 and 3 for +/-64 search range */ 1392 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_RAWDATA); 1393 pnw__write_upto8bits_elements(mtx_hdr, elt_p, sSearch_range, 3); 1394 } 1395 1396 /* 1397 **** THE FINAL PART OF VOP STRUCTURE CAN'T BE GENERATED HERE 1398 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_RAWDATA); 1399 video_packet_data ( ) = 1st VP that doesn�t have the VP header 1400 1401 while (nextbits_bytealigned ( ) == resync_marker) 1402 { 1403 video_packet _header( ) 1404 video_packet _data( ) All MB in the slice 1405 } 1406 */ 1407 } 1408} 1409 1410#if PSB_MFLD_DUMMY_CODE 1411/* 1412 * Intermediary functions to build H263 headers 1413 */ 1414static void H263_writebits_VideoSequenceHeader( 1415 MTX_HEADER_PARAMS *mtx_hdr, 1416 MTX_HEADER_ELEMENT **elt_p, 1417 IMG_UINT8 Profile_and_level_indication) 1418{ 1419 /* Essential we insert the element before we try to fill it! */ 1420 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_STARTCODE_RAWDATA); 1421 1422 /* visual_object_sequence_start_code = 32 Bits = 0x1B0 */ 1423 pnw__write_upto32bits_elements(mtx_hdr, elt_p, 432, 32); 1424 1425 /* profile_and_level_indication = 8 Bits = x SP L0-L3 and SP L4-L5 are supported */ 1426 pnw__write_upto8bits_elements(mtx_hdr, elt_p, Profile_and_level_indication, 8); 1427 1428 /* visual_object_start_code = 32 Bits = 0x1B5 */ 1429 1430 /* 437 too large for the pnw__write_upto32bits_elements function */ 1431 pnw__write_upto32bits_elements(mtx_hdr, elt_p, 437, 32); 1432 1433 /* is_visual_object_identifier = 1 Bit = 0 */ 1434 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1435 1436 /* is_visual_object_type = 4 Bits = 1 Video ID */ 1437 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 4); 1438 1439 /* video_signal_type = 1 Bit = 0 */ 1440 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1441 1442 /* byte_aligned_bits = 2 Bits = 01b byte_aligned_bits is 2-bit stuffing bit field 01 */ 1443 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 2); 1444 1445 /* video_object_start_code =32 Bits = 0x100 One VO only in a Topaz video stream */ 1446 pnw__write_upto32bits_elements(mtx_hdr, elt_p, 256, 32); 1447 1448 return; 1449} 1450#endif 1451 1452 1453static void H263_writebits_VideoPictureHeader( 1454 MTX_HEADER_PARAMS *mtx_hdr, 1455 MTX_HEADER_ELEMENT **elt_p, 1456 IMG_UINT8 Temporal_Ref, 1457 H263_PICTURE_CODING_TYPE PictureCodingType, 1458 //IMG_UINT8 Q_Scale, 1459 H263_SOURCE_FORMAT_TYPE SourceFormatType, 1460 IMG_UINT8 FrameRate, 1461 IMG_UINT32 PictureWidth, 1462 IMG_UINT32 PictureHeight) 1463{ 1464 IMG_UINT8 UFEP; 1465 IMG_UINT8 OCPCF = 0; 1466 1467 /* Essential we insert the element before we try to fill it! */ 1468 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_STARTCODE_RAWDATA); 1469 1470 /* short_video_start_marker = 22 Bits = 0x20 Picture start code */ 1471 pnw__write_upto32bits_elements(mtx_hdr, elt_p, 32, 22); 1472 1473 /* temporal_reference = 8 Bits = 0-255 Each picture increased by 1 */ 1474 pnw__write_upto8bits_elements(mtx_hdr, elt_p, Temporal_Ref, 8); 1475 1476 /* marker_bit = 1 Bit = 1 */ 1477 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1478 1479 /* zero_bit = 1 Bits = 0 */ 1480 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1481 1482 /* split_screen_indicator = 1 Bits = 0 No direct effect on encoding of picture */ 1483 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1484 1485 /* document_camera_indicator= 1 Bits = 0 No direct effect on encoding of picture */ 1486 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1487 1488 /* full_picture_freeze_release=1 Bits = 0 No direct effect on encoding of picture */ 1489 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1490 1491 /* source_format = 3 Bits = 1-4 See note */ 1492 pnw__write_upto8bits_elements(mtx_hdr, elt_p, SourceFormatType, 3); 1493 1494 /*Write optional Custom Picture Clock Frequency(OCPCF)*/ 1495 if (FrameRate == 30 || FrameRate == 0/* unspecified */) { 1496 OCPCF = 0; // 0 for CIF PCF 1497 } else { 1498 OCPCF = 1; //1 for Custom PCF 1499 } 1500 1501 if (SourceFormatType != 7) { 1502 // picture_coding_type = 1 Bit = 0/1 0 for I-frame and 1 for P-frame 1503 pnw__write_upto8bits_elements(mtx_hdr, elt_p, PictureCodingType, 1); 1504 // four_reserved_zero_bits = 4 Bits = 0 1505 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 4); 1506 } else { 1507 static unsigned char RTYPE = 0; 1508 1509 // if I- Frame set Update Full Extended PTYPE to true 1510 if ((PictureCodingType == I_FRAME) || (SourceFormatType == 7) || OCPCF) { 1511 UFEP = 1; 1512 } else { 1513 UFEP = 0; 1514 } 1515 pnw__write_upto8bits_elements(mtx_hdr, elt_p, UFEP, 3); 1516 if (UFEP == 1) { 1517 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 6, 3); 1518 pnw__write_upto8bits_elements(mtx_hdr, elt_p, OCPCF , 1); 1519 1520 /* 10 reserve bits ( Optional support for the encoding). All are OFF(0). 1521 * - Optional Unrestricted Motion Vector (UMV) 1522 * - Optional Syntax-based Arithmetic Coding (SAC) 1523 * - Optional Advanced Prediction (AP) mode 1524 * - Optional Advanced INTRA Coding (AIC) mode 1525 * - Optional Deblocking Filter (DF) mode 1526 * - Optional Slice Structured (SS) mode 1527 * - Optional Reference Picture Selection(RPS) mode. 1528 * - Optional Independent Segment Decoding (ISD) mode 1529 * - Optional Alternative INTER VLC (AIV) mode 1530 * - Optional Modified Quantization (MQ) mode */ 1531 1532 pnw__write_upto32bits_elements(mtx_hdr, elt_p, 0, 10); 1533 // 10 reserve bits 1534 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 8, 4); 1535 // 4 reserve bits 1536 } 1537 // picture_coding_type = 1 Bit = 0/1 0 for I-frame and 1 for P-frame 1538 pnw__write_upto8bits_elements(mtx_hdr, elt_p, PictureCodingType, 3); 1539 1540 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 2); 1541 // two_reserve_bits, rounding_type, two_reserve_bits marker_bit CPM 1542 // Rounding Type (RTYPE) (1 for P Picture, 0 for all other Picture frames. 1543 pnw__write_upto8bits_elements(mtx_hdr, elt_p, RTYPE, 1); 1544 //2 reserve bits 1545 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 2); 1546 // - 1 (ON) to prevent start code emulation. 1547 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1 , 1); 1548 // CPM immediately follows the PPTYPE part of the header. 1549 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0 , 1); 1550 1551 1552 if (UFEP == 1) { 1553 IMG_UINT16 ui16PWI, ui16PHI; 1554 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 4); 1555 // aspect ratio 1556 //PictureWidth--; 1557 //pnw__write_upto8bits_elements(mtx_hdr, elt_p, (IMG_UINT8)(PictureWidth >> 8), 1); 1558 //pnw__write_upto8bits_elements(mtx_hdr, elt_p, (IMG_UINT8)(PictureWidth & 0xFF), 8); 1559 //Width = (PWI-1)*4, Height = PHI*4, see H263 spec 5.1.5 1560 ui16PWI = (PictureWidth >> 2) - 1; 1561 pnw__write_upto32bits_elements(mtx_hdr, elt_p, (IMG_UINT8)ui16PWI, 9); 1562 1563 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1564 // marker_bit = 1 Bit = 1 1565 //pnw__write_upto8bits_elements(mtx_hdr, elt_p, (IMG_UINT8)(PictureHeight >> 8), 1); 1566 //pnw__write_upto8bits_elements(mtx_hdr, elt_p, (IMG_UINT8)(PictureHeight & 0xFF), 8); 1567 1568 ui16PHI = PictureHeight >> 2; 1569 pnw__write_upto32bits_elements(mtx_hdr, elt_p, (IMG_UINT8)ui16PHI, 9); 1570 // good up to that point 1571 // pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1572 // marker_bit = 1 Bit = 1 1573 // just checking 1574 if (OCPCF == 1) { 1575 //IMG_UINT8 CPCFC; 1576 //CPCFC = (IMG_UINT8)(1800/(IMG_UINT16)FrameRate); 1577 /* you can use the table for division */ 1578 //CPCFC <<= 1; /* for Clock Conversion Code */ 1579 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1, 1); 1580 // Clock Divisor : 7 bits The natural binary representation of the value of the clock divisor. 1581 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 1800000 / (FrameRate * 1000), 7); 1582 } 1583 } 1584 if (OCPCF == 1) { 1585 IMG_UINT8 ui8ETR; // extended Temporal reference 1586 // Two MSBs of 10 bit temporal_reference : value 0 1587 ui8ETR = Temporal_Ref >> 8; 1588 1589 pnw__write_upto8bits_elements(mtx_hdr, elt_p, ui8ETR, 2); 1590 /* Two MSBs of temporal_reference */ 1591 } 1592 } 1593 // vop_quant = 5 Bits = x 5-bit frame Q_scale from rate control - GENERATED BY MTX 1594 //pnw__write_upto8bits_elements(mtx_hdr, elt_p, ui8Q_Scale, 5); 1595 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_FRAMEQSCALE); // Insert token to tell MTX to insert rate-control value (QScale is sent as an argument in MTX_Send_Elements_To_VLC(&MTX_Header, FrameQScale)) 1596 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_RAWDATA); 1597 // zero_bit = 1 Bit = 0 1598 // pei = 1 Bit = 0 No direct effect on encoding of picture 1599 if (SourceFormatType != 7) { 1600 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1601 } 1602 1603 pnw__write_upto8bits_elements(mtx_hdr, elt_p, 0, 1); 1604 // FOLLOWING SECTION CAN'T BE GENERATED HERE 1605 //gob_data( ) 1606 //for(i=1; i<num_gob_in_picture; i++) { 1607 // gob_header( ) 1608 // gob_data( ) 1609 // } 1610 return; 1611} 1612 1613static void H263_writebits_GOBSliceHeader( 1614 MTX_HEADER_PARAMS *mtx_hdr, 1615 MTX_HEADER_ELEMENT **elt_p, 1616 IMG_UINT8 GOBNumber, 1617 IMG_UINT8 GOBFrameId) 1618{ 1619 /* Essential we insert the element before we try to fill it! */ 1620 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_STARTCODE_RAWDATA); 1621 1622 /* gob_resync_marker = 17 = 0x1 */ 1623 pnw__write_upto32bits_elements(mtx_hdr, elt_p, 1, 17); 1624 1625 /* gob_number = 5 = 0-17 It is gob number in a picture */ 1626 pnw__write_upto8bits_elements(mtx_hdr, elt_p, GOBNumber, 5); 1627 1628 /* gob_frame_id = 2 = 0-3 See note */ 1629 pnw__write_upto8bits_elements(mtx_hdr, elt_p, GOBFrameId, 2); 1630 1631 /* quant_scale = 5 = 1-32 gob (Slice) Q_scale */ 1632 /* pnw__write_upto8bits_elements(mtx_hdr, elt_p, GOB_Q_Scale, 5); */ 1633 1634 /* Insert token to tell MTX to insert rate-control value 1635 * (QScale is sent as an argument in MTX_Send_Elements_To_VLC(&MTX_Header, SliceQScale)) 1636 */ 1637 pnw__insert_element_token(mtx_hdr, elt_p, ELEMENT_SLICEQSCALE); 1638 return; 1639} 1640 1641/* 1642 * High level functions to call when a H263 header is required - HOST ROUTINES 1643 */ 1644 1645// SEI_INSERTION 1646#if PSB_MFLD_DUMMY_CODE 1647static void pnw__H264_writebits_AUD_header( 1648 MTX_HEADER_PARAMS *pMTX_Header, 1649 MTX_HEADER_ELEMENT **aui32ElementPointers) 1650{ 1651 // Essential we insert the element before we try to fill it! 1652 pnw__insert_element_token(pMTX_Header, 1653 aui32ElementPointers, 1654 ELEMENT_STARTCODE_RAWDATA); 1655 1656 pnw__H264_writebits_startcode_prefix_element(pMTX_Header, 1657 aui32ElementPointers, 4); // 00 00 00 01 start code prefix 1658 1659 pnw__write_upto8bits_elements(pMTX_Header, 1660 aui32ElementPointers, 1661 9, 1662 8); // AUD nal_unit_type = 09 1663 1664 // primary_pic_type u(3) 0=I slice, 1=P or I slice, 2=P,B or I slice 1665 pnw__write_upto8bits_elements(pMTX_Header, 1666 aui32ElementPointers, 1667 2, 1668 3); 1669 1670 pnw__write_upto8bits_elements(pMTX_Header, 1671 aui32ElementPointers, 1672 1 << 4, 5); // rbsp_trailing_bits 1673 1674 // Write terminator 1675 pnw__write_upto8bits_elements(pMTX_Header, 1676 aui32ElementPointers, 0x80, 8); 1677 return; 1678} 1679#endif 1680#define SEI_NOT_USE_TOKEN_ALIGN 1681 1682static void pnw__H264_writebits_SEI_buffering_period_header( 1683 MTX_HEADER_PARAMS *pMTX_Header, 1684 MTX_HEADER_ELEMENT **aui32ElementPointers, 1685 IMG_UINT8 ui8NalHrdBpPresentFlag, 1686 IMG_UINT8 ui8nal_cpb_cnt_minus1, 1687 IMG_UINT8 ui8nal_initial_cpb_removal_delay_length, 1688 IMG_UINT32 ui32nal_initial_cpb_removal_delay, 1689 IMG_UINT32 ui32nal_initial_cpb_removal_delay_offset, 1690 IMG_UINT8 ui8VclHrdBpPresentFlag, 1691 IMG_UINT8 ui8vcl_cpb_cnt_minus1, 1692 IMG_UINT32 ui32vcl_initial_cpb_removal_delay, 1693 IMG_UINT32 ui32vcl_initial_cpb_removal_delay_offset) 1694{ 1695 IMG_UINT8 ui8SchedSelIdx; 1696 IMG_UINT8 ui8PayloadSizeBits; 1697#ifdef SEI_NOT_USE_TOKEN_ALIGN 1698 IMG_UINT8 ui8Pad; 1699#endif 1700 // Essential we insert the element before we try to fill it! 1701 pnw__insert_element_token(pMTX_Header, 1702 aui32ElementPointers, 1703 ELEMENT_STARTCODE_RAWDATA); 1704 1705 pnw__H264_writebits_startcode_prefix_element(pMTX_Header, 1706 aui32ElementPointers, 1707 4); // 00 00 01 start code prefix 1708 1709 pnw__write_upto8bits_elements(pMTX_Header, 1710 aui32ElementPointers, 1711 6, 8); // nal_unit_type = 06 (SEI Message) 1712 1713 pnw__write_upto8bits_elements(pMTX_Header, 1714 aui32ElementPointers, 1715 0, 8); // SEI payload type (buffering period) 1716 1717 ui8PayloadSizeBits = 1; // seq_parameter_set_id bitsize = 1 1718 if (ui8NalHrdBpPresentFlag) 1719 ui8PayloadSizeBits += ((ui8nal_cpb_cnt_minus1 + 1) 1720 * ui8nal_initial_cpb_removal_delay_length * 2); 1721 if (ui8VclHrdBpPresentFlag) 1722 ui8PayloadSizeBits += ((ui8vcl_cpb_cnt_minus1 + 1) 1723 * ui8nal_initial_cpb_removal_delay_length * 2); 1724 1725 pnw__write_upto8bits_elements(pMTX_Header, 1726 aui32ElementPointers, 1727 ((ui8PayloadSizeBits + 7) / 8), 1728 8); 1729 // SEI payload size = No of bytes required for SEI payload 1730 // (including seq_parameter_set_id) 1731 1732 //seq_parameter_set_id ue(v) = 0 default? = 1 (binary) 1733 //= sequence parameter set containing HRD attributes 1734 pnw__generate_ue(pMTX_Header, aui32ElementPointers, 0); 1735 1736 if (ui8NalHrdBpPresentFlag) { 1737 for (ui8SchedSelIdx = 0; ui8SchedSelIdx <= ui8nal_cpb_cnt_minus1; ui8SchedSelIdx++) { 1738 // ui32nal_initial_cpb_removal_delay = delay between time of arrival in CODED PICTURE BUFFER of coded data of this access 1739 // unit and time of removal from CODED PICTURE BUFFER of the coded data of the same access unit. 1740 // Delay is based on the time taken for a 90 kHz clock. 1741 // Range >0 and < 90000 * (CPBsize / BitRate) 1742 // For the 1st buffering period after HARDWARE REFERENCE DECODER initialisation. 1743 // pnw__insert_element_token(pMTX_Header, aui32ElementPointers, ELEMENT_NAL_INIT_CPB_REMOVAL_DELAY); // Eventually use this if firmware value required 1744 1745 pnw__write_upto32bits_elements(pMTX_Header, aui32ElementPointers, 1746 ui32nal_initial_cpb_removal_delay, 1747 ui8nal_initial_cpb_removal_delay_length); 1748 1749/* 1750 pnw__insert_element_token(pMTX_Header, 1751 aui32ElementPointers, 1752 BPH_SEI_NAL_INITIAL_CPB_REMOVAL_DELAY);*/ 1753 1754 // ui32nal_initial_cpb_removal_delay_offset = used for the SchedSelIdx-th CPB in combination with the cpb_removal_delay to 1755 // specify the initial delivery time of coded access units to the CODED PICTURE BUFFER initial_cpb_removal_delay_offset 1756 // Delay is based on the time taken for a 90 kHz clock. 1757 // NOT USED BY DECODERS and is needed only for the delivery scheduler (HSS) specified in Annex C 1758 1759 pnw__write_upto32bits_elements(pMTX_Header, aui32ElementPointers, 1760 ui32nal_initial_cpb_removal_delay_offset, 1761 ui8nal_initial_cpb_removal_delay_length); 1762 1763 /*pnw__insert_element_token(pMTX_Header, 1764 aui32ElementPointers, 1765 BPH_SEI_NAL_INITIAL_CPB_REMOVAL_DELAY_OFFSET);*/ 1766 1767 } 1768 } 1769 if (ui8VclHrdBpPresentFlag) { 1770 for (ui8SchedSelIdx = 0; ui8SchedSelIdx <= ui8vcl_cpb_cnt_minus1; ui8SchedSelIdx++) { 1771 pnw__insert_element_token(pMTX_Header, 1772 aui32ElementPointers, 1773 ELEMENT_STARTCODE_RAWDATA); 1774 // pnw__insert_element_token(pMTX_Header, aui32ElementPointers, ELEMENT_VCL_INIT_CPB_REMOVAL_DELAY); // Eventually use this if firmware value required 1775 pnw__write_upto32bits_elements(pMTX_Header, 1776 aui32ElementPointers, 1777 ui32vcl_initial_cpb_removal_delay, 1778 ui8nal_initial_cpb_removal_delay_length); 1779 // pnw__insert_element_token(pMTX_Header, aui32ElementPointers, ELEMENT_VCL_INIT_CPB_REMOVAL_DELAY_CPB); // Eventually use this if firmware value required 1780 pnw__write_upto32bits_elements(pMTX_Header, 1781 aui32ElementPointers, 1782 ui32vcl_initial_cpb_removal_delay_offset, 1783 ui8nal_initial_cpb_removal_delay_length); 1784 } 1785 } 1786 1787 // Pad to end of byte 1788#ifdef SEI_NOT_USE_TOKEN_ALIGN 1789 if (!ui8VclHrdBpPresentFlag) 1790 pnw__insert_element_token(pMTX_Header, 1791 aui32ElementPointers, 1792 ELEMENT_STARTCODE_RAWDATA); 1793 ui8Pad = (ui8PayloadSizeBits + 7) / 8; 1794 ui8Pad = (ui8Pad * 8) - ui8PayloadSizeBits; 1795 if (ui8Pad > 0) 1796 pnw__write_upto8bits_elements(pMTX_Header, 1797 aui32ElementPointers, 1798 1 << (ui8Pad - 1), 1799 ui8Pad); // SEI payload type (buffering period) 1800#else 1801 pnw__write_upto8bits_elements(pMTX_Header, 1802 aui32ElementPointers, 1803 1, 1); // rbsp_trailing_bits 1804 1805 pnw__insert_element_token(pMTX_Header, 1806 aui32ElementPointers, 1807 ELEMENT_INSERTBYTEALIGN_H264); 1808 // Tell MTX to insert the byte align field 1809 pnw__insert_element_token(pMTX_Header, 1810 aui32ElementPointers, 1811 ELEMENT_STARTCODE_RAWDATA); 1812#endif 1813 1814 // Write terminator 1815 pnw__write_upto8bits_elements(pMTX_Header, aui32ElementPointers, 0x80, 8); 1816 1817 return; 1818} 1819 1820#define SEI_HOSTCALC_CPB_DPB 1821 1822static void pnw__H264_writebits_SEI_picture_timing_header( 1823 MTX_HEADER_PARAMS *pMTX_Header, MTX_HEADER_ELEMENT **aui32ElementPointers, 1824 IMG_UINT8 ui8CpbDpbDelaysPresentFlag, 1825 IMG_UINT32 ui32cpb_removal_delay_length_minus1, 1826 IMG_UINT32 ui32dpb_output_delay_length_minus1, 1827 IMG_UINT32 ui32cpb_removal_delay, 1828 IMG_UINT32 ui32dpb_output_delay, 1829 IMG_UINT8 ui8pic_struct_present_flag, 1830 IMG_UINT8 __maybe_unused ui8pic_struct, 1831 IMG_UINT8 __maybe_unused ui8NumClockTS, 1832 IMG_UINT8 __maybe_unused * aui8clock_timestamp_flag, 1833 IMG_UINT8 __maybe_unused ui8full_timestamp_flag, 1834 IMG_UINT8 __maybe_unused ui8seconds_flag, 1835 IMG_UINT8 __maybe_unused ui8minutes_flag, 1836 IMG_UINT8 __maybe_unused ui8hours_flag, 1837 IMG_UINT8 __maybe_unused ui8seconds_value, 1838 IMG_UINT8 __maybe_unused ui8minutes_value, 1839 IMG_UINT8 __maybe_unused ui8hours_value, 1840 IMG_UINT8 __maybe_unused ui8ct_type, 1841 IMG_UINT8 __maybe_unused ui8nuit_field_based_flag, 1842 IMG_UINT8 __maybe_unused ui8counting_type, 1843 IMG_UINT8 __maybe_unused ui8discontinuity_flag, 1844 IMG_UINT8 __maybe_unused ui8cnt_dropped_flag, 1845 IMG_UINT8 __maybe_unused ui8n_frames, 1846 IMG_UINT8 __maybe_unused ui8time_offset_length, 1847 IMG_UINT32 __maybe_unused i32time_offset) 1848{ 1849 IMG_UINT8 ui8PayloadSizeBits, ui8Tmp; 1850#ifdef SEI_NOT_USE_TOKEN_ALIGN 1851 IMG_UINT8 ui8Pad; 1852#endif 1853 1854 // Essential we insert the element before we try to fill it! 1855 pnw__insert_element_token(pMTX_Header, 1856 aui32ElementPointers, 1857 ELEMENT_STARTCODE_RAWDATA); 1858 1859 pnw__H264_writebits_startcode_prefix_element(pMTX_Header, 1860 aui32ElementPointers, 1861 4); // 00 00 01 start code prefix 1862 1863 pnw__write_upto8bits_elements(pMTX_Header, 1864 aui32ElementPointers, 1865 6, 8); // nal_unit_type = 06 (SEI Message) 1866 1867 pnw__write_upto8bits_elements(pMTX_Header, 1868 aui32ElementPointers, 1869 1, 8); // SEI payload type (picture timing) 1870 1871 1872 // Precalculate the payload bit size 1873 ui8PayloadSizeBits = 0; 1874 if (ui8CpbDpbDelaysPresentFlag) 1875 ui8PayloadSizeBits += ui32cpb_removal_delay_length_minus1 1876 + 1 + ui32dpb_output_delay_length_minus1 + 1; 1877 1878#if 0 1879 if (ui8pic_struct_present_flag) { 1880 ui8PayloadSizeBits += 4; 1881 for (ui8Tmp = 0; ui8Tmp < ui8NumClockTS ; ui8Tmp++) { 1882 ui8PayloadSizeBits += 1; 1883 1884 if (aui8clock_timestamp_flag[ui8Tmp]) { 1885 ui8PayloadSizeBits += 2 + 1 + 5 + 1 + 1 + 1 + 8; 1886 if (ui8full_timestamp_flag) 1887 ui8PayloadSizeBits += 6 + 6 + 5; 1888 else { 1889 ui8PayloadSizeBits += 1; 1890 if (ui8seconds_flag) { 1891 ui8PayloadSizeBits += 6 + 1; 1892 if (ui8minutes_flag) { 1893 ui8PayloadSizeBits += 6 + 1; 1894 if (ui8hours_flag) 1895 ui8PayloadSizeBits += 5; 1896 } 1897 } 1898 } 1899 1900 if (ui8time_offset_length > 0) 1901 ui8PayloadSizeBits += ui8time_offset_length; 1902 } 1903 } 1904 } 1905#endif 1906 1907 pnw__write_upto8bits_elements(pMTX_Header, 1908 aui32ElementPointers, 1909 ((ui8PayloadSizeBits + 7) / 8), 8); 1910 // SEI payload size = No of bytes required for SEI payload (including seq_parameter_set_id) 1911 1912 1913 if (ui8CpbDpbDelaysPresentFlag) { 1914 //SEI_INSERTION 1915#ifdef SEI_HOSTCALC_CPB_DPB 1916 pnw__write_upto32bits_elements(pMTX_Header, 1917 aui32ElementPointers, 1918 ui32cpb_removal_delay, 1919 ui32cpb_removal_delay_length_minus1 + 1); // cpb_removal_delay 1920 pnw__write_upto32bits_elements(pMTX_Header, 1921 aui32ElementPointers, 1922 ui32dpb_output_delay, 1923 ui32dpb_output_delay_length_minus1 + 1); // dpb_output_delay 1924#else 1925 pnw__insert_element_token(pMTX_Header, 1926 aui32ElementPointers, 1927 PTH_SEI_NAL_CPB_REMOVAL_DELAY); 1928 pnw__insert_element_token(pMTX_Header, 1929 aui32ElementPointers, 1930 PTH_SEI_NAL_DPB_OUTPUT_DELAY); 1931#endif 1932 } 1933 1934#if 0 1935 if (ui8pic_struct_present_flag) { 1936 pnw__insert_element_token(pMTX_Header, 1937 aui32ElementPointers, 1938 ELEMENT_STARTCODE_RAWDATA); 1939 pnw__write_upto8bits_elements(pMTX_Header, 1940 aui32ElementPointers, 1941 ui8pic_struct, 4); // See TRM able D 1 � Interpretation of pic_struct 1942 1943 for (ui8Tmp = 0; ui8Tmp < ui8NumClockTS ; ui8Tmp++) { 1944 pnw__write_upto8bits_elements(pMTX_Header, 1945 aui32ElementPointers, 1946 aui8clock_timestamp_flag[ui8Tmp], 1); 1947 1948 if (aui8clock_timestamp_flag[ui8Tmp]) { 1949 pnw__write_upto8bits_elements(pMTX_Header, 1950 aui32ElementPointers, 1951 ui8ct_type, 2); 1952 // (2=Unknown) See TRM Table D 2 � Mapping of ct_type to source picture scan 1953 pnw__write_upto8bits_elements(pMTX_Header, 1954 aui32ElementPointers, 1955 ui8nuit_field_based_flag, 1); 1956 pnw__write_upto8bits_elements(pMTX_Header, 1957 aui32ElementPointers, 1958 ui8counting_type, 5); 1959 // See TRM Table D 3 � Definition of counting_type values 1960 pnw__write_upto8bits_elements(pMTX_Header, 1961 aui32ElementPointers, 1962 ui8full_timestamp_flag, 1); 1963 pnw__write_upto8bits_elements(pMTX_Header, 1964 aui32ElementPointers, 1965 ui8discontinuity_flag, 1); 1966 pnw__write_upto8bits_elements(pMTX_Header, 1967 aui32ElementPointers, 1968 ui8cnt_dropped_flag, 1); 1969 pnw__write_upto8bits_elements(pMTX_Header, 1970 aui32ElementPointers, 1971 ui8n_frames, 8); 1972 1973 if (ui8full_timestamp_flag) { 1974 pnw__write_upto8bits_elements(pMTX_Header, 1975 aui32ElementPointers, 1976 ui8seconds_value, 6); // 0 - 59 1977 pnw__write_upto8bits_elements(pMTX_Header, 1978 aui32ElementPointers, 1979 ui8minutes_value, 6); // 0 - 59 1980 pnw__write_upto8bits_elements(pMTX_Header, 1981 aui32ElementPointers, 1982 ui8hours_value, 5); // 0 - 23 1983 } else { 1984 pnw__write_upto8bits_elements(pMTX_Header, 1985 aui32ElementPointers, 1986 ui8seconds_flag, 1); 1987 1988 if (ui8seconds_flag) { 1989 pnw__write_upto8bits_elements(pMTX_Header, 1990 aui32ElementPointers, 1991 ui8seconds_value, 6); // 0 - 59 1992 pnw__write_upto8bits_elements(pMTX_Header, 1993 aui32ElementPointers, 1994 ui8minutes_flag, 1); 1995 1996 if (ui8minutes_flag) { 1997 pnw__write_upto8bits_elements(pMTX_Header, 1998 aui32ElementPointers, 1999 ui8minutes_value, 6); // 0 - 59 2000 pnw__write_upto8bits_elements(pMTX_Header, 2001 aui32ElementPointers, 2002 ui8hours_flag, 1); 2003 2004 if (ui8hours_flag) 2005 pnw__write_upto8bits_elements(pMTX_Header, 2006 aui32ElementPointers, 2007 ui8hours_value, 5); // 0 - 23 2008 } 2009 } 2010 } 2011 2012 if (ui8time_offset_length > 0) { 2013 // Two's complement storage : If time_offset<0 = ((2 ^ v) + time_offset) 2014 if ((int)i32time_offset < 0) 2015 pnw__write_upto32bits_elements(pMTX_Header, 2016 aui32ElementPointers, 2017 (IMG_UINT32)((2 ^ ui8time_offset_length) + i32time_offset), 2018 ui8time_offset_length); 2019 else 2020 pnw__write_upto32bits_elements(pMTX_Header, 2021 aui32ElementPointers, 2022 (IMG_UINT32) i32time_offset, 2023 ui8time_offset_length); 2024 } 2025 } 2026 } 2027 } 2028#endif 2029 2030#ifdef SEI_NOT_USE_TOKEN_ALIGN 2031 // Pad to end of byte 2032 if (!ui8pic_struct_present_flag) 2033 pnw__insert_element_token(pMTX_Header, 2034 aui32ElementPointers, 2035 ELEMENT_STARTCODE_RAWDATA); 2036 ui8Pad = (ui8PayloadSizeBits + 7) / 8; 2037 ui8Pad = (ui8Pad * 8) - ui8PayloadSizeBits; 2038 if (ui8Pad > 0) 2039 pnw__write_upto8bits_elements(pMTX_Header, 2040 aui32ElementPointers, 2041 1 << (ui8Pad - 1), 2042 ui8Pad); // SEI payload type (buffering period) 2043#else 2044 pnw__insert_element_token(pMTX_Header, 2045 aui32ElementPointers, 2046 ELEMENT_INSERTBYTEALIGN_H264); // Tell MTX to insert the byte align field 2047 pnw__insert_element_token(pMTX_Header, 2048 aui32ElementPointers, 2049 ELEMENT_STARTCODE_RAWDATA); 2050#endif 2051 2052 // Write terminator 2053 pnw__write_upto8bits_elements(pMTX_Header, 2054 aui32ElementPointers, 2055 0x80, 8); 2056 return; 2057} 2058 2059static void pnw__H264_writebits_SEI_FPA_header( 2060 MTX_HEADER_PARAMS *pMTX_Header, MTX_HEADER_ELEMENT **aui32ElementPointers, 2061 char* sei_data_buf, IMG_UINT32 data_size) 2062{ 2063 IMG_UINT8 i; 2064 2065 // Essential we insert the element before we try to fill it! 2066 pnw__insert_element_token(pMTX_Header, 2067 aui32ElementPointers, 2068 ELEMENT_STARTCODE_RAWDATA); 2069 2070 pnw__H264_writebits_startcode_prefix_element(pMTX_Header, 2071 aui32ElementPointers, 2072 4); // 00 00 01 start code prefix 2073 2074 for (i = 0; i < data_size; i++) 2075 pnw__write_upto8bits_elements(pMTX_Header, 2076 aui32ElementPointers, 2077 sei_data_buf[i], 8); //sei_data_buf (SEI Message) 2078 // Tell MTX to insert the byte align field (we don't know final stream size for alignment at this point) 2079 //pnw__insert_element_token(pMTX_Header, aui32ElementPointers, ELEMENT_INSERTBYTEALIGN_H264); 2080 2081 return; 2082} 2083 2084 2085#if PSB_MFLD_DUMMY_CODE 2086void pnw__H264_prepare_AUD_header(MTX_HEADER_PARAMS * pMTX_Header) 2087{ 2088 // Essential we initialise our header structures before building 2089 MTX_HEADER_ELEMENT *This_Element; 2090 MTX_HEADER_ELEMENT *aui32ElementPointers[MAXNUMBERELEMENTS]; 2091 pMTX_Header->Elements = ELEMENTS_EMPTY; 2092 This_Element = (MTX_HEADER_ELEMENT *) pMTX_Header->asElementStream; 2093 aui32ElementPointers[0] = This_Element; 2094 2095 pnw__H264_writebits_AUD_header(pMTX_Header, aui32ElementPointers); 2096 2097 pMTX_Header->Elements++; //Has been used as an index, so need to add 1 for a valid element count 2098} 2099#endif 2100 2101void pnw__H264_prepare_SEI_buffering_period_header( 2102 MTX_HEADER_PARAMS * pMTX_Header, 2103 IMG_UINT8 ui8NalHrdBpPresentFlag, 2104 IMG_UINT8 ui8nal_cpb_cnt_minus1, 2105 IMG_UINT8 ui8nal_initial_cpb_removal_delay_length, 2106 IMG_UINT32 ui32nal_initial_cpb_removal_delay, 2107 IMG_UINT32 ui32nal_initial_cpb_removal_delay_offset, 2108 IMG_UINT8 ui8VclHrdBpPresentFlag, 2109 IMG_UINT8 ui8vcl_cpb_cnt_minus1, 2110 IMG_UINT32 ui32vcl_initial_cpb_removal_delay, 2111 IMG_UINT32 ui32vcl_initial_cpb_removal_delay_offset) 2112{ 2113 // Essential we initialise our header structures before building 2114 MTX_HEADER_ELEMENT *This_Element; 2115 MTX_HEADER_ELEMENT *aui32ElementPointers[MAXNUMBERELEMENTS]; 2116 pMTX_Header->Elements = ELEMENTS_EMPTY; 2117 This_Element = (MTX_HEADER_ELEMENT *) pMTX_Header->asElementStream; 2118 aui32ElementPointers[0] = This_Element; 2119 2120 pnw__H264_writebits_SEI_buffering_period_header( 2121 pMTX_Header, aui32ElementPointers, 2122 ui8NalHrdBpPresentFlag, 2123 ui8nal_cpb_cnt_minus1, 2124 ui8nal_initial_cpb_removal_delay_length, 2125 ui32nal_initial_cpb_removal_delay, 2126 ui32nal_initial_cpb_removal_delay_offset, 2127 ui8VclHrdBpPresentFlag, 2128 ui8vcl_cpb_cnt_minus1, 2129 ui32vcl_initial_cpb_removal_delay, 2130 ui32vcl_initial_cpb_removal_delay_offset); 2131 2132 pMTX_Header->Elements++; 2133 //Has been used as an index, so need to add 1 for a valid element count 2134 return; 2135} 2136 2137void pnw__H264_prepare_SEI_picture_timing_header( 2138 MTX_HEADER_PARAMS * pMTX_Header, 2139 IMG_UINT8 ui8CpbDpbDelaysPresentFlag, 2140 IMG_UINT32 ui32cpb_removal_delay_length_minus1, 2141 IMG_UINT32 ui32dpb_output_delay_length_minus1, 2142 IMG_UINT32 ui32cpb_removal_delay, 2143 IMG_UINT32 ui32dpb_output_delay, 2144 IMG_UINT8 ui8pic_struct_present_flag, 2145 IMG_UINT8 ui8pic_struct, 2146 IMG_UINT8 ui8NumClockTS, 2147 IMG_UINT8 *aui8clock_timestamp_flag, 2148 IMG_UINT8 ui8full_timestamp_flag, 2149 IMG_UINT8 ui8seconds_flag, 2150 IMG_UINT8 ui8minutes_flag, 2151 IMG_UINT8 ui8hours_flag, 2152 IMG_UINT8 ui8seconds_value, 2153 IMG_UINT8 ui8minutes_value, 2154 IMG_UINT8 ui8hours_value, 2155 IMG_UINT8 ui8ct_type, 2156 IMG_UINT8 ui8nuit_field_based_flag, 2157 IMG_UINT8 ui8counting_type, 2158 IMG_UINT8 ui8discontinuity_flag, 2159 IMG_UINT8 ui8cnt_dropped_flag, 2160 IMG_UINT8 ui8n_frames, 2161 IMG_UINT8 ui8time_offset_length, 2162 IMG_INT32 i32time_offset) 2163{ 2164 // Essential we initialise our header structures before building 2165 MTX_HEADER_ELEMENT *This_Element; 2166 MTX_HEADER_ELEMENT *aui32ElementPointers[MAXNUMBERELEMENTS]; 2167 pMTX_Header->Elements = ELEMENTS_EMPTY; 2168 This_Element = (MTX_HEADER_ELEMENT *) pMTX_Header->asElementStream; 2169 aui32ElementPointers[0] = This_Element; 2170 2171 pnw__H264_writebits_SEI_picture_timing_header( 2172 pMTX_Header, aui32ElementPointers, 2173 ui8CpbDpbDelaysPresentFlag, 2174 ui32cpb_removal_delay_length_minus1, 2175 ui32dpb_output_delay_length_minus1, 2176 ui32cpb_removal_delay, 2177 ui32dpb_output_delay, 2178 ui8pic_struct_present_flag, 2179 ui8pic_struct, 2180 ui8NumClockTS, 2181 aui8clock_timestamp_flag, 2182 ui8full_timestamp_flag, 2183 ui8seconds_flag, 2184 ui8minutes_flag, 2185 ui8hours_flag, 2186 ui8seconds_value, 2187 ui8minutes_value, 2188 ui8hours_value, 2189 ui8ct_type, 2190 ui8nuit_field_based_flag, 2191 ui8counting_type, 2192 ui8discontinuity_flag, 2193 ui8cnt_dropped_flag, 2194 ui8n_frames, 2195 ui8time_offset_length, 2196 i32time_offset); 2197 2198 pMTX_Header->Elements++; 2199 //Has been used as an index, so need to add 1 for a valid element count 2200 return; 2201} 2202 2203#if PSB_MFLD_DUMMY_CODE 2204void pnw__H264_prepare_SEI_FPA_header( 2205 MTX_HEADER_PARAMS * pMTX_Header, 2206 char* sei_data_buf, 2207 IMG_UINT32 data_size) 2208{ 2209 // Essential we initialise our header structures before building 2210 MTX_HEADER_ELEMENT *This_Element; 2211 MTX_HEADER_ELEMENT *aui32ElementPointers[MAXNUMBERELEMENTS]; 2212 pMTX_Header->Elements = ELEMENTS_EMPTY; 2213 This_Element = (MTX_HEADER_ELEMENT *) pMTX_Header->asElementStream; 2214 aui32ElementPointers[0] = This_Element; 2215 2216 pnw__H264_writebits_SEI_FPA_header( 2217 pMTX_Header, aui32ElementPointers, 2218 sei_data_buf, data_size); 2219 2220 pMTX_Header->Elements++; 2221 //Has been used as an index, so need to add 1 for a valid element count 2222 return; 2223} 2224#endif 2225 2226 2227void pnw__H264_prepare_sequence_header( 2228 unsigned char *pHeaderMemory, 2229 IMG_UINT32 uiPicWidthInMbs, 2230 IMG_UINT32 uiPicHeightInMbs, 2231 IMG_BOOL VUI_present, H264_VUI_PARAMS *VUI_params, 2232 H264_CROP_PARAMS *psCropParams, 2233 IMG_UINT8 uiLevel, 2234 IMG_UINT8 uiProfile) 2235{ 2236 H264_SEQUENCE_HEADER_PARAMS SHParams; 2237 MTX_HEADER_PARAMS *mtx_hdr; 2238 2239 /* Route output elements to memory provided */ 2240 memset(&SHParams, 0, sizeof(SHParams)); 2241 mtx_hdr = (MTX_HEADER_PARAMS *) pHeaderMemory; 2242 2243 /* Setup Sequence Header information */ 2244 2245 2246 switch (uiProfile) { 2247 case 5: 2248 SHParams.ucProfile = SH_PROFILE_BP; 2249 break; 2250 case 6: 2251 SHParams.ucProfile = SH_PROFILE_MP; 2252 break; 2253 default: 2254 SHParams.ucProfile = SH_PROFILE_MP; 2255 break; 2256 } 2257 2258 switch (uiLevel) { 2259 case 10: 2260 SHParams.ucLevel = SH_LEVEL_1; 2261 break; 2262 case 111: 2263 SHParams.ucLevel = SH_LEVEL_1B; 2264 break; 2265 case 11: 2266 SHParams.ucLevel = SH_LEVEL_11; 2267 break; 2268 case 12: 2269 SHParams.ucLevel = SH_LEVEL_12; 2270 break; 2271 case 20: 2272 SHParams.ucLevel = SH_LEVEL_2; 2273 break; 2274 case 30: 2275 SHParams.ucLevel = SH_LEVEL_3; 2276 break; 2277 case 31: 2278 SHParams.ucLevel = SH_LEVEL_31; 2279 break; 2280 case 32: 2281 SHParams.ucLevel = SH_LEVEL_32; 2282 break; 2283 case 40: 2284 SHParams.ucLevel = SH_LEVEL_4; 2285 break; 2286 case 41: 2287 SHParams.ucLevel = SH_LEVEL_41; 2288 break; 2289 case 42: 2290 SHParams.ucLevel = SH_LEVEL_42; 2291 break; 2292 default: 2293 SHParams.ucLevel = SH_LEVEL_3; 2294 break; 2295 } 2296 2297 SHParams.ucWidth_in_mbs_minus1 = (IMG_UINT8)(uiPicWidthInMbs - 1); 2298 SHParams.ucHeight_in_maps_units_minus1 = (IMG_UINT8)(uiPicHeightInMbs - 1); 2299 SHParams.VUI_Params_Present = VUI_present; 2300 if (VUI_present) 2301 SHParams.VUI_Params = *VUI_params; 2302 SHParams.gaps_in_frame_num_value = IMG_FALSE; 2303 SHParams.ucFrame_mbs_only_flag = IMG_TRUE; 2304 2305 /* All picture header information is static 2306 * (apart from 'pic_init_qp_minus26' and 'rsbp_byte_align' fields, which are set in MTX anyway) 2307 */ 2308 2309 /* Clears ensures elementstream memory is zeroed.. not necessary, but makes it easier to debug 2310 * for (Lp=0;Lp<MAX_HEADERSIZEWORDS-1;Lp++) MTX_Header.asElementStream[Lp]=0; 2311 */ 2312 2313#if HEADERS_VERBOSE_OUTPUT 2314 drv_debug_msg(VIDEO_DEBUG_GENERAL, "\n\n**********************************************************************\n"); 2315 drv_debug_msg(VIDEO_DEBUG_GENERAL, "******** HOST FIRMWARE ROUTINES TO PASS HEADERS AND TOKENS TO MTX******\n"); 2316 drv_debug_msg(VIDEO_DEBUG_GENERAL, "**********************************************************************\n\n"); 2317#endif 2318 2319 /* Functions that actually pack Elements (MTX_HEADER_PARAMS structure) with header information */ 2320 pnw__H264_getelements_sequence_header(mtx_hdr, &SHParams, psCropParams); 2321} 2322 2323void pnw__H264_prepare_picture_header(unsigned char *pHeaderMemory, IMG_BOOL bCabacEnabled, IMG_INT8 CQPOffset) 2324{ 2325 MTX_HEADER_PARAMS *mtx_hdr; 2326 2327 /* Route output elements to memory provided */ 2328 mtx_hdr = (MTX_HEADER_PARAMS *) pHeaderMemory; 2329 2330 2331 /* Builds a sequence, picture and slice header with from the given inputs parameters (start of new frame) 2332 * Essential we initialise our header structures before building 2333 */ 2334 MTX_HEADER_ELEMENT *This_Element; 2335 MTX_HEADER_ELEMENT *elt_p[MAXNUMBERELEMENTS]; 2336 mtx_hdr->Elements = ELEMENTS_EMPTY; 2337 This_Element = (MTX_HEADER_ELEMENT *) mtx_hdr->asElementStream; 2338 elt_p[0] = This_Element; 2339 2340 pnw__H264_writebits_picture_header(mtx_hdr, elt_p, bCabacEnabled, 2341 0, 0, 2342 CQPOffset, CQPOffset); 2343 mtx_hdr->Elements++; /* Has been used as an index, so need to add 1 for a valid element count */ 2344} 2345 2346void pnw__H264_prepare_slice_header( 2347 unsigned char *pHeaderMemory, 2348 IMG_BOOL bIntraSlice, 2349 IMG_UINT32 uiDisableDeblockingFilterIDC, 2350 IMG_UINT32 uiFrameNumber, 2351 IMG_UINT32 uiFirst_MB_Address, 2352 IMG_UINT32 uiMBSkipRun, 2353 IMG_BOOL bCabacEnabled, 2354 IMG_BOOL bForceIDR, 2355 IMG_BOOL bUsesLongTermRef, 2356 IMG_BOOL bIsLongTermRef, 2357 IMG_UINT16 uiIdrPicId) 2358{ 2359 H264_SLICE_HEADER_PARAMS SlHParams; 2360 MTX_HEADER_PARAMS *mtx_hdr; 2361 2362 memset(&SlHParams, 0, sizeof(SlHParams)); 2363 2364 /* Route output elements to memory provided */ 2365 mtx_hdr = (MTX_HEADER_PARAMS *) pHeaderMemory; 2366 2367 SlHParams.Start_Code_Prefix_Size_Bytes = 4; 2368 SlHParams.UsesLongTermRef = bUsesLongTermRef; 2369 SlHParams.IsLongTermRef = bIsLongTermRef; 2370 2371 if (bForceIDR || (uiFrameNumber == 0)) { 2372 drv_debug_msg(VIDEO_DEBUG_GENERAL, "TOPAZ: Generate a IDR slice\n"); 2373 SlHParams.SliceFrame_Type = SLHP_IDR_SLICEFRAME_TYPE; 2374 } else 2375 SlHParams.SliceFrame_Type = bIntraSlice ? SLHP_I_SLICEFRAME_TYPE : SLHP_P_SLICEFRAME_TYPE; 2376 2377 /*SlHParams.SliceFrame_Type = bIntraSlice ? (((uiFrameNumber%(1<<5))==0) ? SLHP_IDR_SLICEFRAME_TYPE :SLHP_I_SLICEFRAME_TYPE ) : SLHP_P_SLICEFRAME_TYPE;*/ 2378 SlHParams.Frame_Num_DO = (IMG_UINT8) uiFrameNumber % (1 << 5); 2379 SlHParams.Picture_Num_DO = (IMG_UINT8)(SlHParams.Frame_Num_DO * 2); 2380 2381 2382 SlHParams.First_MB_Address = uiFirst_MB_Address; 2383 SlHParams.Disable_Deblocking_Filter_Idc = (IMG_UINT8) uiDisableDeblockingFilterIDC; 2384 2385 { 2386 IMG_UINT32 *pMTX_Header_Mem = (IMG_UINT32 *)mtx_hdr; 2387 // rhk: first insert normal header. 2388 pnw__H264_getelements_slice_header(mtx_hdr, &SlHParams, bCabacEnabled, uiIdrPicId); 2389 2390 // put a marker to indicate that this is a complex header 2391 // note that first "int" in the buffer is used for number of elements 2392 // which is not going to be more than 255 2393 *pMTX_Header_Mem |= 0x100; 2394 2395 // rhk: insert skipped frame header at an offset of 128 bytes 2396 pMTX_Header_Mem += (HEADER_SIZE >> 3); // get a pointer to the second half of memory 2397 mtx_hdr = (MTX_HEADER_PARAMS *)pMTX_Header_Mem; 2398 pnw__H264_getelements_skip_P_slice(mtx_hdr, &SlHParams, uiMBSkipRun, bCabacEnabled); 2399 } 2400 2401} 2402 2403 2404void pnw__MPEG4_prepare_sequence_header( 2405 unsigned char *pHeaderMemory, 2406 IMG_BOOL bBFrame, 2407 MPEG4_PROFILE_TYPE sProfile, 2408 IMG_UINT8 Profile_and_level_indication, 2409 FIXED_VOP_TIME_TYPE sFixed_vop_time_increment, 2410 IMG_UINT32 Picture_Width_Pixels, 2411 IMG_UINT32 Picture_Height_Pixels, 2412 VBVPARAMS * psVBVParams, 2413 IMG_UINT32 VopTimeResolution) 2414{ 2415 MTX_HEADER_PARAMS *mtx_hdr; 2416 2417 /* Route output elements to memory provided */ 2418 mtx_hdr = (MTX_HEADER_PARAMS *) pHeaderMemory; 2419 /* Builds a single MPEG4 video sequence header from the given parameters */ 2420 2421 /* Essential we initialise our header structures before building */ 2422 MTX_HEADER_ELEMENT *This_Element; 2423 MTX_HEADER_ELEMENT *elt_p[MAXNUMBERELEMENTS]; 2424 mtx_hdr->Elements = ELEMENTS_EMPTY; 2425 This_Element = (MTX_HEADER_ELEMENT *) mtx_hdr->asElementStream; 2426 elt_p[0] = This_Element; 2427 2428 pnw__MPEG4_writebits_sequence_header( 2429 mtx_hdr, 2430 elt_p, 2431 bBFrame, sProfile, 2432 Profile_and_level_indication, 2433 sFixed_vop_time_increment, 2434 Picture_Width_Pixels, 2435 Picture_Height_Pixels, 2436 psVBVParams, VopTimeResolution); 2437 2438 mtx_hdr->Elements++; /* Has been used as an index, so need to add 1 for a valid element count */ 2439 2440} 2441 2442void pnw__MPEG4_prepare_vop_header( 2443 unsigned char *pHeaderMem, 2444 IMG_BOOL bIsVOP_coded, 2445 IMG_UINT32 VOP_time_increment, 2446 IMG_UINT8 sSearch_range, 2447 IMG_UINT8 eVop_Coding_Type, 2448 IMG_UINT32 VopTimeResolution) 2449{ 2450 MTX_HEADER_PARAMS *mtx_hdr; 2451 2452 mtx_hdr = (MTX_HEADER_PARAMS *) pHeaderMem; 2453 2454 /* Builds a single MPEG4 VOP (picture) header from the given parameters */ 2455 /* Essential we initialise our header structures before building */ 2456 MTX_HEADER_ELEMENT *This_Element; 2457 MTX_HEADER_ELEMENT *elt_p[MAXNUMBERELEMENTS]; 2458 mtx_hdr->Elements = ELEMENTS_EMPTY; 2459 This_Element = (MTX_HEADER_ELEMENT *) mtx_hdr->asElementStream; 2460 elt_p[0] = This_Element; 2461 2462 /* Frame QScale no longer written here as it is inserted by MTX later 2463 * (add as parameter to MTX_Send_Elements_To_VLC) 2464 */ 2465 pnw__MPEG4_writebits_VOP_header( 2466 mtx_hdr, elt_p, bIsVOP_coded, 2467 VOP_time_increment, 2468 sSearch_range, 2469 eVop_Coding_Type, 2470 VopTimeResolution); 2471 2472 mtx_hdr->Elements++; /* Has been used as an index, so need to add 1 for a valid element count */ 2473 2474} 2475 2476 2477#if PSB_MFLD_DUMMY_CODE 2478void pnw__H263_prepare_sequence_header( 2479 unsigned char *pHeaderMem, 2480 IMG_UINT8 Profile_and_level_indication) 2481{ 2482 MTX_HEADER_PARAMS *mtx_hdr; 2483 2484 mtx_hdr = (MTX_HEADER_PARAMS *) pHeaderMem; 2485 2486 /* Builds a single H263 video sequence header from the given parameters */ 2487 2488 /* Essential we initialise our header structures before building */ 2489 MTX_HEADER_ELEMENT *This_Element; 2490 MTX_HEADER_ELEMENT *elt_p[MAXNUMBERELEMENTS]; 2491 mtx_hdr->Elements = ELEMENTS_EMPTY; 2492 This_Element = (MTX_HEADER_ELEMENT *) mtx_hdr->asElementStream; 2493 elt_p[0] = This_Element; 2494 2495 H263_writebits_VideoSequenceHeader(mtx_hdr, elt_p, Profile_and_level_indication); 2496 2497 mtx_hdr->Elements++; /* Has been used as an index, so need to add 1 for a valid element count */ 2498 2499} 2500#endif 2501 2502void pnw__H263_prepare_picture_header( 2503 unsigned char *pHeaderMem, 2504 IMG_UINT8 Temporal_Ref, 2505 H263_PICTURE_CODING_TYPE PictureCodingType, 2506 H263_SOURCE_FORMAT_TYPE SourceFormatType, 2507 IMG_UINT8 FrameRate, 2508 IMG_UINT16 PictureWidth, 2509 IMG_UINT16 PictureHeigth) 2510{ 2511 MTX_HEADER_PARAMS *mtx_hdr; 2512 2513 mtx_hdr = (MTX_HEADER_PARAMS *) pHeaderMem; 2514 2515 /* Essential we initialise our header structures before building */ 2516 MTX_HEADER_ELEMENT *This_Element; 2517 MTX_HEADER_ELEMENT *elt_p[MAXNUMBERELEMENTS]; 2518 mtx_hdr->Elements = ELEMENTS_EMPTY; 2519 This_Element = (MTX_HEADER_ELEMENT *) mtx_hdr->asElementStream; 2520 elt_p[0] = This_Element; 2521 2522 H263_writebits_VideoPictureHeader( 2523 mtx_hdr, elt_p, 2524 Temporal_Ref, 2525 PictureCodingType, 2526 SourceFormatType, 2527 FrameRate, 2528 PictureWidth, 2529 PictureHeigth); 2530 2531 mtx_hdr->Elements++; /* Has been used as an index, so need to add 1 for a valid element count */ 2532} 2533 2534void pnw__H263_prepare_GOBslice_header( 2535 unsigned char *pHeaderMem, 2536 IMG_UINT8 GOBNumber, 2537 IMG_UINT8 GOBFrameId) 2538{ 2539 MTX_HEADER_PARAMS *mtx_hdr; 2540 2541 mtx_hdr = (MTX_HEADER_PARAMS *) pHeaderMem; 2542 2543 /* Essential we initialise our header structures before building */ 2544 MTX_HEADER_ELEMENT *This_Element; 2545 MTX_HEADER_ELEMENT *elt_p[MAXNUMBERELEMENTS]; 2546 mtx_hdr->Elements = ELEMENTS_EMPTY; 2547 This_Element = (MTX_HEADER_ELEMENT *) mtx_hdr->asElementStream; 2548 elt_p[0] = This_Element; 2549 2550 H263_writebits_GOBSliceHeader(mtx_hdr, elt_p, GOBNumber, GOBFrameId); 2551 2552 mtx_hdr->Elements++; //Has been used as an index, so need to add 1 for a valid element count 2553 2554 /* 2555 (void)pnw__H264_writebits_SEI_rbspheader; 2556 (void)pnw__H264_getelements_skip_B_slice; 2557 (void)pnw__H264_getelements_backward_zero_B_slice; 2558 (void)pnw__H264_getelements_rbsp_ATE_only; 2559 (void)pnw_MPEG4_getelements_video_packet_header; 2560 */ 2561} 2562 2563