/src/libavc/decoder/ih264d_process_intra_mb.c
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1 | | /****************************************************************************** |
2 | | * |
3 | | * Copyright (C) 2015 The Android Open Source Project |
4 | | * |
5 | | * Licensed under the Apache License, Version 2.0 (the "License"); |
6 | | * you may not use this file except in compliance with the License. |
7 | | * You may obtain a copy of the License at: |
8 | | * |
9 | | * http://www.apache.org/licenses/LICENSE-2.0 |
10 | | * |
11 | | * Unless required by applicable law or agreed to in writing, software |
12 | | * distributed under the License is distributed on an "AS IS" BASIS, |
13 | | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
14 | | * See the License for the specific language governing permissions and |
15 | | * limitations under the License. |
16 | | * |
17 | | ***************************************************************************** |
18 | | * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
19 | | */ |
20 | | /*! |
21 | | ************************************************************************** |
22 | | * \file ih264d_process_intra_mb.c |
23 | | * |
24 | | * \brief |
25 | | * Contains routines that decode a I slice type |
26 | | * |
27 | | * Detailed_description |
28 | | * |
29 | | * \date |
30 | | * 07/07/2003 |
31 | | * |
32 | | * \author NS |
33 | | ************************************************************************** |
34 | | */ |
35 | | |
36 | | #include <string.h> |
37 | | #include "ih264d_bitstrm.h" |
38 | | #include "ih264d_defs.h" |
39 | | #include "ih264d_debug.h" |
40 | | #include "ih264d_tables.h" |
41 | | #include "ih264d_structs.h" |
42 | | #include "ih264d_defs.h" |
43 | | #include "ih264d_parse_cavlc.h" |
44 | | #include "ih264d_mb_utils.h" |
45 | | #include "ih264d_parse_slice.h" |
46 | | #include "ih264d_process_intra_mb.h" |
47 | | #include "ih264d_error_handler.h" |
48 | | #include "ih264d_quant_scaling.h" |
49 | | #include "ih264d_tables.h" |
50 | | |
51 | | /*! |
52 | | ************************************************************************** |
53 | | * \if Function name : ih264d_itrans_recon_luma_dc \endif |
54 | | * |
55 | | * \brief |
56 | | * This function does InvTransform, scaling and reconstruction of Luma DC. |
57 | | * |
58 | | * \return |
59 | | * 0 on Success and Error code otherwise |
60 | | ************************************************************************** |
61 | | */ |
62 | | void ih264d_itrans_recon_luma_dc(dec_struct_t *ps_dec, |
63 | | WORD16* pi2_src, |
64 | | WORD16* pi2_coeff_block, |
65 | | const UWORD16 *pu2_weigh_mat) |
66 | 0 | { |
67 | 0 | WORD32 i; |
68 | 0 | WORD16 pi2_out[16]; |
69 | 0 | WORD32 pi4_tmp[16]; |
70 | 0 | WORD16 *pi2_out_ptr = &pi2_out[0]; |
71 | 0 | PROFILE_DISABLE_IQ_IT_RECON_RETURN() |
72 | 0 | ps_dec->pf_ihadamard_scaling_4x4(pi2_src, pi2_out, |
73 | 0 | ps_dec->pu2_quant_scale_y, pu2_weigh_mat, |
74 | 0 | ps_dec->u1_qp_y_div6, pi4_tmp); |
75 | 0 | for(i = 0; i < 4; i++) |
76 | 0 | { |
77 | 0 | pi2_coeff_block[0] = pi2_out_ptr[0]; |
78 | 0 | pi2_coeff_block[4 * 16] = pi2_out_ptr[4]; |
79 | 0 | pi2_coeff_block[8 * 16] = pi2_out_ptr[8]; |
80 | 0 | pi2_coeff_block[12 * 16] = pi2_out_ptr[12]; |
81 | |
|
82 | 0 | pi2_out_ptr++; /* Point to next column */ |
83 | 0 | pi2_coeff_block += 16; |
84 | 0 | } |
85 | 0 | } |
86 | | /*! |
87 | | ************************************************************************** |
88 | | * \if Function name : ih264d_read_intra_pred_modes \endif |
89 | | * |
90 | | * \brief |
91 | | * Reads the intra pred mode related values of I4x4 MB from bitstream. |
92 | | * |
93 | | * This function will read the prev intra pred mode flags and |
94 | | * stores it in pu1_prev_intra4x4_pred_mode_flag. If the u4_flag |
95 | | * indicates that most probable mode is not intra pred mode, then |
96 | | * the rem_intra4x4_pred_mode is read and stored in |
97 | | * pu1_rem_intra4x4_pred_mode array. |
98 | | * |
99 | | * |
100 | | * \return |
101 | | * 0 on success and Error code otherwise |
102 | | * |
103 | | ************************************************************************** |
104 | | */ |
105 | | WORD32 ih264d_read_intra_pred_modes(dec_struct_t * ps_dec, |
106 | | UWORD8 * pu1_prev_intra4x4_pred_mode_flag, |
107 | | UWORD8 * pu1_rem_intra4x4_pred_mode, |
108 | | UWORD32 u4_trans_form8x8) |
109 | 60.1k | { |
110 | 60.1k | WORD32 i4x4_luma_blk_idx = 0, i8x8_luma_blk_idx = 0; |
111 | | |
112 | 60.1k | dec_bit_stream_t * ps_bitstrm = ps_dec->ps_bitstrm; |
113 | | |
114 | 60.1k | if(!u4_trans_form8x8) |
115 | 36.2k | { |
116 | 615k | for(i4x4_luma_blk_idx = 0; i4x4_luma_blk_idx < 16; ++i4x4_luma_blk_idx) |
117 | 579k | { |
118 | 579k | UWORD32 u4_temp; |
119 | 579k | SWITCHOFFTRACE; |
120 | | |
121 | 579k | GETBIT(u4_temp, ps_bitstrm->u4_ofst, ps_bitstrm->pu4_buffer); |
122 | 579k | *pu1_prev_intra4x4_pred_mode_flag = (UWORD8)u4_temp; |
123 | 579k | if(!(*pu1_prev_intra4x4_pred_mode_flag)) |
124 | 238k | { |
125 | 238k | GETBITS(u4_temp, ps_bitstrm->u4_ofst, ps_bitstrm->pu4_buffer, 3); |
126 | | |
127 | 238k | *(pu1_rem_intra4x4_pred_mode) = (UWORD8)u4_temp; |
128 | 238k | } |
129 | | |
130 | 579k | pu1_prev_intra4x4_pred_mode_flag++; |
131 | 579k | pu1_rem_intra4x4_pred_mode++; |
132 | 579k | } |
133 | 36.2k | } |
134 | 23.9k | else |
135 | 23.9k | { |
136 | | /**********************************************************************/ |
137 | | /* prev_intra4x4_pred_modes to be interpreted as */ |
138 | | /* prev_intra8x8_pred_modes in case of transform 8x8 */ |
139 | | /**********************************************************************/ |
140 | 119k | for(i8x8_luma_blk_idx = 0; i8x8_luma_blk_idx < 4; i8x8_luma_blk_idx++) |
141 | 95.7k | { |
142 | 95.7k | UWORD32 u4_temp; |
143 | 95.7k | GETBIT(u4_temp, ps_bitstrm->u4_ofst, ps_bitstrm->pu4_buffer); |
144 | 95.7k | *pu1_prev_intra4x4_pred_mode_flag = (UWORD8)u4_temp; |
145 | 95.7k | if(!(*pu1_prev_intra4x4_pred_mode_flag)) |
146 | 22.9k | { |
147 | 22.9k | GETBITS(u4_temp, ps_bitstrm->u4_ofst, ps_bitstrm->pu4_buffer, 3); |
148 | | |
149 | 22.9k | (*pu1_rem_intra4x4_pred_mode) = (UWORD8)u4_temp; |
150 | 22.9k | } |
151 | 95.7k | pu1_prev_intra4x4_pred_mode_flag++; |
152 | 95.7k | pu1_rem_intra4x4_pred_mode++; |
153 | 95.7k | } |
154 | 23.9k | } |
155 | 60.1k | return (0); |
156 | 60.1k | } |
157 | | WORD32 ih264d_unpack_coeff4x4_4x4blk(dec_struct_t * ps_dec, |
158 | | WORD16 *pi2_out_coeff_data, |
159 | | UWORD8 *pu1_inv_scan) |
160 | 2.12M | { |
161 | 2.12M | tu_sblk4x4_coeff_data_t *ps_tu_4x4 = (tu_sblk4x4_coeff_data_t *)ps_dec->pv_proc_tu_coeff_data; |
162 | 2.12M | UWORD16 u2_sig_coeff_map = ps_tu_4x4->u2_sig_coeff_map; |
163 | 2.12M | WORD32 idx = 0; |
164 | 2.12M | WORD16 *pi2_coeff_data = &ps_tu_4x4->ai2_level[0]; |
165 | 2.12M | WORD32 dc_only_flag = 0; |
166 | 2.12M | WORD32 num_coeff = 0; |
167 | | |
168 | 2.12M | PROFILE_DISABLE_UNPACK_LUMA() |
169 | 11.2M | while(u2_sig_coeff_map) |
170 | 9.16M | { |
171 | 9.16M | idx = CLZ(u2_sig_coeff_map); |
172 | | |
173 | 9.16M | idx = 31 - idx; |
174 | 9.16M | RESET_BIT(u2_sig_coeff_map,idx); |
175 | | |
176 | 9.16M | idx = pu1_inv_scan[idx]; |
177 | 9.16M | pi2_out_coeff_data[idx] = *pi2_coeff_data++; |
178 | 9.16M | num_coeff++; |
179 | 9.16M | } |
180 | | |
181 | 2.12M | if((num_coeff == 1) && (idx == 0)) |
182 | 234k | { |
183 | 234k | dc_only_flag = 1; |
184 | 234k | } |
185 | | |
186 | 2.12M | { |
187 | 2.12M | WORD32 offset; |
188 | 2.12M | offset = (UWORD8 *)pi2_coeff_data - (UWORD8 *)ps_tu_4x4; |
189 | 2.12M | offset = ALIGN4(offset); |
190 | 2.12M | ps_dec->pv_proc_tu_coeff_data = (void *)((UWORD8 *)ps_dec->pv_proc_tu_coeff_data + offset); |
191 | 2.12M | } |
192 | | |
193 | 2.12M | return dc_only_flag; |
194 | 2.12M | } |
195 | | |
196 | | UWORD32 ih264d_unpack_coeff4x4_8x8blk(dec_struct_t * ps_dec, |
197 | | dec_mb_info_t * ps_cur_mb_info, |
198 | | UWORD16 ui2_luma_csbp, |
199 | | WORD16 *pi2_out_coeff_data) |
200 | 1.04M | { |
201 | 1.04M | UWORD8 *pu1_inv_scan; |
202 | 1.04M | UWORD8 u1_mb_field_decoding_flag = ps_cur_mb_info->u1_mb_field_decodingflag; |
203 | 1.04M | UWORD8 u1_field_coding_flag = ps_cur_mb_info->ps_curmb->u1_mb_fld; |
204 | 1.04M | UWORD32 u4_luma_dc_only_csbp = 0; |
205 | 1.04M | WORD32 dc_only_flag = 0; |
206 | | |
207 | 1.04M | PROFILE_DISABLE_UNPACK_LUMA() |
208 | 1.04M | if(u1_field_coding_flag || u1_mb_field_decoding_flag) |
209 | 72.4k | { |
210 | 72.4k | pu1_inv_scan = (UWORD8 *)gau1_ih264d_inv_scan_fld; |
211 | 72.4k | } |
212 | 976k | else |
213 | 976k | { |
214 | 976k | pu1_inv_scan = (UWORD8 *)gau1_ih264d_inv_scan; |
215 | 976k | } |
216 | | |
217 | | // sub 0 |
218 | 1.04M | if(ui2_luma_csbp & 0x1) |
219 | 377k | { |
220 | 377k | memset(pi2_out_coeff_data,0,16*sizeof(WORD16)); |
221 | 377k | dc_only_flag = ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
222 | 377k | pi2_out_coeff_data, |
223 | 377k | pu1_inv_scan); |
224 | | |
225 | 377k | INSERT_BIT(u4_luma_dc_only_csbp, 0, dc_only_flag); |
226 | 377k | } |
227 | | |
228 | 1.04M | pi2_out_coeff_data += 16; |
229 | | // sub 1 |
230 | 1.04M | if(ui2_luma_csbp & 0x2) |
231 | 398k | { |
232 | 398k | memset(pi2_out_coeff_data,0,16*sizeof(WORD16)); |
233 | 398k | dc_only_flag = ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
234 | 398k | pi2_out_coeff_data, |
235 | 398k | pu1_inv_scan); |
236 | 398k | INSERT_BIT(u4_luma_dc_only_csbp, 1, dc_only_flag); |
237 | 398k | } |
238 | | |
239 | 1.04M | pi2_out_coeff_data += 16 + 32; |
240 | | // sub 2 |
241 | 1.04M | if(ui2_luma_csbp & 0x10) |
242 | 381k | { |
243 | 381k | memset(pi2_out_coeff_data,0,16*sizeof(WORD16)); |
244 | 381k | dc_only_flag = ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
245 | 381k | pi2_out_coeff_data, |
246 | 381k | pu1_inv_scan); |
247 | 381k | INSERT_BIT(u4_luma_dc_only_csbp, 4, dc_only_flag); |
248 | 381k | } |
249 | | |
250 | 1.04M | pi2_out_coeff_data += 16; |
251 | | // sub 3 |
252 | 1.04M | if(ui2_luma_csbp & 0x20) |
253 | 405k | { |
254 | 405k | memset(pi2_out_coeff_data,0,16*sizeof(WORD16)); |
255 | 405k | dc_only_flag = ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
256 | 405k | pi2_out_coeff_data, |
257 | 405k | pu1_inv_scan); |
258 | 405k | INSERT_BIT(u4_luma_dc_only_csbp, 5, dc_only_flag); |
259 | 405k | } |
260 | 1.04M | return u4_luma_dc_only_csbp; |
261 | 1.04M | } |
262 | | WORD32 ih264d_unpack_coeff8x8_8x8blk_cavlc(dec_struct_t * ps_dec, |
263 | | dec_mb_info_t * ps_cur_mb_info, |
264 | | UWORD16 ui2_luma_csbp, |
265 | | WORD16 *pi2_out_coeff_data) |
266 | 85.7k | { |
267 | 85.7k | UWORD8 *pu1_inv_scan; |
268 | 85.7k | UWORD8 u1_mb_field_decoding_flag = ps_cur_mb_info->u1_mb_field_decodingflag; |
269 | 85.7k | UWORD8 u1_field_coding_flag = ps_cur_mb_info->ps_curmb->u1_mb_fld; |
270 | 85.7k | WORD32 dc_only_flag = 0; |
271 | | |
272 | 85.7k | PROFILE_DISABLE_UNPACK_LUMA() |
273 | 85.7k | if(ui2_luma_csbp & 0x33) |
274 | 48.5k | { |
275 | 48.5k | memset(pi2_out_coeff_data,0,64*sizeof(WORD16)); |
276 | 48.5k | } |
277 | | |
278 | 85.7k | if(!u1_mb_field_decoding_flag) |
279 | 78.0k | { |
280 | 78.0k | pu1_inv_scan = |
281 | 78.0k | (UWORD8*)gau1_ih264d_inv_scan_prog8x8_cavlc[0]; |
282 | 78.0k | } |
283 | 7.74k | else |
284 | 7.74k | { |
285 | 7.74k | pu1_inv_scan = |
286 | 7.74k | (UWORD8*)gau1_ih264d_inv_scan_int8x8_cavlc[0]; |
287 | 7.74k | } |
288 | | // sub 0 |
289 | 85.7k | if(ui2_luma_csbp & 0x1) |
290 | 19.0k | { |
291 | 19.0k | dc_only_flag = ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
292 | 19.0k | pi2_out_coeff_data, |
293 | 19.0k | pu1_inv_scan); |
294 | 19.0k | } |
295 | | |
296 | 85.7k | if(!u1_mb_field_decoding_flag) |
297 | 78.0k | { |
298 | 78.0k | pu1_inv_scan = |
299 | 78.0k | (UWORD8*)gau1_ih264d_inv_scan_prog8x8_cavlc[1]; |
300 | 78.0k | } |
301 | 7.74k | else |
302 | 7.74k | { |
303 | 7.74k | pu1_inv_scan = |
304 | 7.74k | (UWORD8*)gau1_ih264d_inv_scan_int8x8_cavlc[1]; |
305 | 7.74k | } |
306 | | // sub 1 |
307 | 85.7k | if(ui2_luma_csbp & 0x2) |
308 | 21.3k | { |
309 | 21.3k | dc_only_flag = 0; |
310 | 21.3k | ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
311 | 21.3k | pi2_out_coeff_data, |
312 | 21.3k | pu1_inv_scan); |
313 | 21.3k | } |
314 | | |
315 | 85.7k | if(!u1_mb_field_decoding_flag) |
316 | 78.0k | { |
317 | 78.0k | pu1_inv_scan = |
318 | 78.0k | (UWORD8*)gau1_ih264d_inv_scan_prog8x8_cavlc[2]; |
319 | 78.0k | } |
320 | 7.74k | else |
321 | 7.74k | { |
322 | 7.74k | pu1_inv_scan = |
323 | 7.74k | (UWORD8*)gau1_ih264d_inv_scan_int8x8_cavlc[2]; |
324 | 7.74k | } |
325 | | // sub 2 |
326 | 85.7k | if(ui2_luma_csbp & 0x10) |
327 | 20.2k | { |
328 | 20.2k | dc_only_flag = 0; |
329 | 20.2k | ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
330 | 20.2k | pi2_out_coeff_data, |
331 | 20.2k | pu1_inv_scan); |
332 | 20.2k | } |
333 | | |
334 | 85.7k | if(!u1_mb_field_decoding_flag) |
335 | 78.0k | { |
336 | 78.0k | pu1_inv_scan = |
337 | 78.0k | (UWORD8*)gau1_ih264d_inv_scan_prog8x8_cavlc[3]; |
338 | 78.0k | } |
339 | 7.74k | else |
340 | 7.74k | { |
341 | 7.74k | pu1_inv_scan = |
342 | 7.74k | (UWORD8*)gau1_ih264d_inv_scan_int8x8_cavlc[3]; |
343 | 7.74k | } |
344 | | // sub 3 |
345 | 85.7k | if(ui2_luma_csbp & 0x20) |
346 | 23.6k | { |
347 | 23.6k | dc_only_flag = 0; |
348 | 23.6k | ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
349 | 23.6k | pi2_out_coeff_data, |
350 | 23.6k | pu1_inv_scan); |
351 | 23.6k | } |
352 | 85.7k | return dc_only_flag; |
353 | 85.7k | } |
354 | | void ih264d_unpack_coeff4x4_8x8blk_chroma(dec_struct_t * ps_dec, |
355 | | dec_mb_info_t * ps_cur_mb_info, |
356 | | UWORD16 ui2_chroma_csbp, |
357 | | WORD16 *pi2_out_coeff_data) |
358 | 281k | { |
359 | 281k | UWORD8 *pu1_inv_scan; |
360 | 281k | UWORD8 u1_mb_field_decoding_flag = ps_cur_mb_info->u1_mb_field_decodingflag; |
361 | 281k | UWORD8 u1_field_coding_flag = ps_cur_mb_info->ps_curmb->u1_mb_fld; |
362 | | |
363 | 281k | PROFILE_DISABLE_UNPACK_CHROMA() |
364 | 281k | if(u1_field_coding_flag || u1_mb_field_decoding_flag) |
365 | 17.9k | { |
366 | 17.9k | pu1_inv_scan = (UWORD8 *)gau1_ih264d_inv_scan_fld; |
367 | 17.9k | } |
368 | 263k | else |
369 | 263k | { |
370 | 263k | pu1_inv_scan = (UWORD8 *)gau1_ih264d_inv_scan; |
371 | 263k | } |
372 | | |
373 | 281k | if(ui2_chroma_csbp & 0x1) |
374 | 118k | { |
375 | 118k | memset(pi2_out_coeff_data,0,16*sizeof(WORD16)); |
376 | 118k | ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
377 | 118k | pi2_out_coeff_data, |
378 | 118k | pu1_inv_scan); |
379 | 118k | } |
380 | 281k | pi2_out_coeff_data += 16; |
381 | 281k | if(ui2_chroma_csbp & 0x2) |
382 | 101k | { |
383 | 101k | memset(pi2_out_coeff_data,0,16*sizeof(WORD16)); |
384 | 101k | ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
385 | 101k | pi2_out_coeff_data, |
386 | 101k | pu1_inv_scan); |
387 | 101k | } |
388 | | |
389 | 281k | pi2_out_coeff_data += 16; |
390 | 281k | if(ui2_chroma_csbp & 0x4) |
391 | 122k | { |
392 | 122k | memset(pi2_out_coeff_data,0,16*sizeof(WORD16)); |
393 | 122k | ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
394 | 122k | pi2_out_coeff_data, |
395 | 122k | pu1_inv_scan); |
396 | 122k | } |
397 | | |
398 | 281k | pi2_out_coeff_data += 16; |
399 | 281k | if(ui2_chroma_csbp & 0x8) |
400 | 134k | { |
401 | 134k | memset(pi2_out_coeff_data,0,16*sizeof(WORD16)); |
402 | 134k | ih264d_unpack_coeff4x4_4x4blk(ps_dec, |
403 | 134k | pi2_out_coeff_data, |
404 | 134k | pu1_inv_scan); |
405 | 134k | } |
406 | 281k | } |
407 | | UWORD32 ih264d_unpack_luma_coeff4x4_mb(dec_struct_t * ps_dec, |
408 | | dec_mb_info_t * ps_cur_mb_info, |
409 | | UWORD8 intra_flag) |
410 | 2.75M | { |
411 | 2.75M | UWORD8 u1_mb_type = ps_cur_mb_info->u1_mb_type; |
412 | 2.75M | UWORD16 ui2_luma_csbp = ps_cur_mb_info->u2_luma_csbp; |
413 | 2.75M | UWORD8 *pu1_inv_scan = ps_dec->pu1_inv_scan; |
414 | 2.75M | WORD16 *pi2_coeff_data = ps_dec->pi2_coeff_data; |
415 | | |
416 | 2.75M | PROFILE_DISABLE_UNPACK_LUMA() |
417 | 2.75M | if(!ps_cur_mb_info->u1_tran_form8x8) |
418 | 2.72M | { |
419 | 2.72M | UWORD32 u4_luma_dc_only_csbp = 0; |
420 | 2.72M | UWORD32 u4_temp = 0; |
421 | 2.72M | WORD16* pi2_dc_val = NULL; |
422 | | /* |
423 | | * Reserve the pointer to dc vals. The dc vals will be copied |
424 | | * after unpacking of ac vals since memset to 0 inside. |
425 | | */ |
426 | 2.72M | if(intra_flag && (u1_mb_type != I_4x4_MB)) |
427 | 1.07M | { |
428 | 1.07M | if(CHECKBIT(ps_cur_mb_info->u1_yuv_dc_block_flag,0)) |
429 | 112k | { |
430 | 112k | pi2_dc_val = (WORD16 *)ps_dec->pv_proc_tu_coeff_data; |
431 | | |
432 | 112k | ps_dec->pv_proc_tu_coeff_data = (void *)(pi2_dc_val + 16); |
433 | 112k | } |
434 | 1.07M | } |
435 | | |
436 | 2.72M | if(ui2_luma_csbp) |
437 | 262k | { |
438 | 262k | pi2_coeff_data = ps_dec->pi2_coeff_data; |
439 | 262k | u4_temp = ih264d_unpack_coeff4x4_8x8blk(ps_dec, |
440 | 262k | ps_cur_mb_info, |
441 | 262k | ui2_luma_csbp, |
442 | 262k | pi2_coeff_data); |
443 | 262k | u4_luma_dc_only_csbp = u4_temp; |
444 | | |
445 | 262k | pi2_coeff_data += 32; |
446 | | |
447 | 262k | ui2_luma_csbp = ui2_luma_csbp >> 2; |
448 | 262k | u4_temp = ih264d_unpack_coeff4x4_8x8blk(ps_dec, |
449 | 262k | ps_cur_mb_info, |
450 | 262k | ui2_luma_csbp, |
451 | 262k | pi2_coeff_data); |
452 | | |
453 | 262k | u4_luma_dc_only_csbp |= (u4_temp << 2); |
454 | | |
455 | 262k | pi2_coeff_data += 32 + 64; |
456 | | |
457 | 262k | ui2_luma_csbp = ui2_luma_csbp >> 6; |
458 | 262k | u4_temp = ih264d_unpack_coeff4x4_8x8blk(ps_dec, |
459 | 262k | ps_cur_mb_info, |
460 | 262k | ui2_luma_csbp, |
461 | 262k | pi2_coeff_data); |
462 | | |
463 | 262k | u4_luma_dc_only_csbp |= (u4_temp << 8); |
464 | | |
465 | 262k | pi2_coeff_data += 32; |
466 | | |
467 | 262k | ui2_luma_csbp = ui2_luma_csbp >> 2; |
468 | 262k | u4_temp = ih264d_unpack_coeff4x4_8x8blk(ps_dec, |
469 | 262k | ps_cur_mb_info, |
470 | 262k | ui2_luma_csbp, |
471 | 262k | pi2_coeff_data); |
472 | 262k | u4_luma_dc_only_csbp |= (u4_temp << 10); |
473 | 262k | } |
474 | | |
475 | 2.72M | if(pi2_dc_val != NULL) |
476 | 112k | { |
477 | 112k | WORD32 i; |
478 | 112k | pi2_coeff_data = ps_dec->pi2_coeff_data; |
479 | 563k | for(i = 0; i < 4; i++) |
480 | 451k | { |
481 | 451k | pi2_coeff_data[0] = pi2_dc_val[0]; |
482 | 451k | pi2_coeff_data[4 * 16] = pi2_dc_val[4]; |
483 | 451k | pi2_coeff_data[8 * 16] = pi2_dc_val[8]; |
484 | 451k | pi2_coeff_data[12 * 16] = pi2_dc_val[12]; |
485 | | |
486 | 451k | pi2_dc_val++; /* Point to next column */ |
487 | 451k | pi2_coeff_data += 16; |
488 | 451k | } |
489 | 112k | u4_luma_dc_only_csbp = ps_cur_mb_info->u2_luma_csbp ^ 0xFFFF; |
490 | 112k | } |
491 | 2.72M | return u4_luma_dc_only_csbp; |
492 | 2.72M | } |
493 | 32.5k | else |
494 | 32.5k | { |
495 | 32.5k | UWORD32 u4_luma_dc_only_cbp = 0; |
496 | 32.5k | WORD32 dc_only_flag; |
497 | 32.5k | if(ui2_luma_csbp) |
498 | 21.4k | { |
499 | 21.4k | pi2_coeff_data = ps_dec->pi2_coeff_data; |
500 | 21.4k | dc_only_flag = ih264d_unpack_coeff8x8_8x8blk_cavlc(ps_dec, |
501 | 21.4k | ps_cur_mb_info, |
502 | 21.4k | ui2_luma_csbp, |
503 | 21.4k | pi2_coeff_data); |
504 | 21.4k | INSERT_BIT(u4_luma_dc_only_cbp, 0, dc_only_flag); |
505 | | |
506 | 21.4k | pi2_coeff_data += 64; |
507 | | |
508 | 21.4k | ui2_luma_csbp = ui2_luma_csbp >> 2; |
509 | 21.4k | dc_only_flag = ih264d_unpack_coeff8x8_8x8blk_cavlc(ps_dec, |
510 | 21.4k | ps_cur_mb_info, |
511 | 21.4k | ui2_luma_csbp, |
512 | 21.4k | pi2_coeff_data); |
513 | | |
514 | 21.4k | INSERT_BIT(u4_luma_dc_only_cbp, 1, dc_only_flag); |
515 | | |
516 | 21.4k | pi2_coeff_data += 64; |
517 | | |
518 | 21.4k | ui2_luma_csbp = ui2_luma_csbp >> 6; |
519 | 21.4k | dc_only_flag = ih264d_unpack_coeff8x8_8x8blk_cavlc(ps_dec, |
520 | 21.4k | ps_cur_mb_info, |
521 | 21.4k | ui2_luma_csbp, |
522 | 21.4k | pi2_coeff_data); |
523 | | |
524 | 21.4k | INSERT_BIT(u4_luma_dc_only_cbp, 2, dc_only_flag); |
525 | | |
526 | 21.4k | pi2_coeff_data += 64; |
527 | 21.4k | ui2_luma_csbp = ui2_luma_csbp >> 2; |
528 | 21.4k | dc_only_flag = ih264d_unpack_coeff8x8_8x8blk_cavlc(ps_dec, |
529 | 21.4k | ps_cur_mb_info, |
530 | 21.4k | ui2_luma_csbp, |
531 | 21.4k | pi2_coeff_data); |
532 | 21.4k | INSERT_BIT(u4_luma_dc_only_cbp, 3, dc_only_flag); |
533 | 21.4k | } |
534 | 32.5k | return u4_luma_dc_only_cbp; |
535 | 32.5k | } |
536 | | |
537 | 2.75M | } |
538 | | |
539 | | void ih264d_unpack_chroma_coeff4x4_mb(dec_struct_t * ps_dec, |
540 | | dec_mb_info_t * ps_cur_mb_info) |
541 | 2.90M | { |
542 | 2.90M | UWORD8 u1_mb_type = ps_cur_mb_info->u1_mb_type; |
543 | 2.90M | UWORD16 ui2_chroma_csbp = ps_cur_mb_info->u2_chroma_csbp; |
544 | 2.90M | UWORD8 *pu1_inv_scan = ps_dec->pu1_inv_scan; |
545 | 2.90M | WORD16 *pi2_coeff_data = ps_dec->pi2_coeff_data; |
546 | 2.90M | WORD32 i; |
547 | 2.90M | WORD16 *pi2_dc_val_u = NULL; |
548 | 2.90M | WORD16 *pi2_dc_val_v = NULL; |
549 | | |
550 | 2.90M | PROFILE_DISABLE_UNPACK_CHROMA() |
551 | 2.90M | if((ps_cur_mb_info->u1_cbp >> 4) == CBPC_ALLZERO) |
552 | 2.56M | return; |
553 | | |
554 | | /* |
555 | | * Reserve the pointers to dc vals. The dc vals will be copied |
556 | | * after unpacking of ac vals since memset to 0 inside. |
557 | | */ |
558 | 333k | if(CHECKBIT(ps_cur_mb_info->u1_yuv_dc_block_flag,1)) |
559 | 236k | { |
560 | 236k | pi2_dc_val_u = (WORD16 *)ps_dec->pv_proc_tu_coeff_data; |
561 | | |
562 | 236k | ps_dec->pv_proc_tu_coeff_data = (void *)(pi2_dc_val_u + 4); |
563 | 236k | } |
564 | 333k | if(CHECKBIT(ps_cur_mb_info->u1_yuv_dc_block_flag,2)) |
565 | 232k | { |
566 | 232k | pi2_dc_val_v = (WORD16 *)ps_dec->pv_proc_tu_coeff_data; |
567 | | |
568 | 232k | ps_dec->pv_proc_tu_coeff_data = (void *)(pi2_dc_val_v + 4); |
569 | 232k | } |
570 | | |
571 | 333k | if((ps_cur_mb_info->u1_cbp >> 4) == CBPC_NONZERO) |
572 | 140k | { |
573 | 140k | pi2_coeff_data = ps_dec->pi2_coeff_data; |
574 | 140k | ih264d_unpack_coeff4x4_8x8blk_chroma(ps_dec, |
575 | 140k | ps_cur_mb_info, |
576 | 140k | ui2_chroma_csbp, |
577 | 140k | pi2_coeff_data); |
578 | | |
579 | 140k | pi2_coeff_data += 64; |
580 | 140k | ui2_chroma_csbp = ui2_chroma_csbp >> 4; |
581 | 140k | ih264d_unpack_coeff4x4_8x8blk_chroma(ps_dec, |
582 | 140k | ps_cur_mb_info, |
583 | 140k | ui2_chroma_csbp, |
584 | 140k | pi2_coeff_data); |
585 | | |
586 | 140k | } |
587 | | |
588 | 333k | pi2_coeff_data = ps_dec->pi2_coeff_data; |
589 | 333k | if(pi2_dc_val_u != NULL) |
590 | 236k | { |
591 | 236k | pi2_coeff_data[0] = *pi2_dc_val_u++; |
592 | 236k | pi2_coeff_data[1 * 16] = *pi2_dc_val_u++; |
593 | 236k | pi2_coeff_data[2 * 16] = *pi2_dc_val_u++; |
594 | 236k | pi2_coeff_data[3 * 16] = *pi2_dc_val_u++; |
595 | 236k | } |
596 | 97.0k | else |
597 | 97.0k | { |
598 | 97.0k | pi2_coeff_data[0] = 0; |
599 | 97.0k | pi2_coeff_data[1 * 16] = 0; |
600 | 97.0k | pi2_coeff_data[2 * 16] = 0; |
601 | 97.0k | pi2_coeff_data[3 * 16] = 0; |
602 | 97.0k | } |
603 | 333k | pi2_coeff_data += 64; |
604 | 333k | if(pi2_dc_val_v != NULL) |
605 | 232k | { |
606 | 232k | pi2_coeff_data[0] = *pi2_dc_val_v++; |
607 | 232k | pi2_coeff_data[1 * 16] = *pi2_dc_val_v++; |
608 | 232k | pi2_coeff_data[2 * 16] = *pi2_dc_val_v++; |
609 | 232k | pi2_coeff_data[3 * 16] = *pi2_dc_val_v++; |
610 | 232k | } |
611 | 100k | else |
612 | 100k | { |
613 | 100k | pi2_coeff_data[0] = 0; |
614 | 100k | pi2_coeff_data[1 * 16] = 0; |
615 | 100k | pi2_coeff_data[2 * 16] = 0; |
616 | 100k | pi2_coeff_data[3 * 16] = 0; |
617 | 100k | } |
618 | 333k | } |
619 | | UWORD32 ih264d_unpack_luma_coeff8x8_mb(dec_struct_t * ps_dec, |
620 | | dec_mb_info_t * ps_cur_mb_info) |
621 | 147k | { |
622 | 147k | WORD32 blk_8x8_cnt; |
623 | 147k | WORD16 *pi2_out_coeff_data = ps_dec->pi2_coeff_data; |
624 | 147k | UWORD8 u1_field_coding_flag = ps_cur_mb_info->ps_curmb->u1_mb_fld; |
625 | 147k | UWORD8 *pu1_inv_scan; |
626 | 147k | UWORD32 u4_luma_dc_only_cbp = 0; |
627 | | |
628 | 147k | PROFILE_DISABLE_UNPACK_LUMA() |
629 | 147k | if(!u1_field_coding_flag) |
630 | 118k | { |
631 | | /*******************************************************************/ |
632 | | /* initializing inverse scan matrices */ |
633 | | /*******************************************************************/ |
634 | 118k | pu1_inv_scan = (UWORD8 *)gau1_ih264d_inv_scan_prog8x8_cabac; |
635 | 118k | } |
636 | 28.3k | else |
637 | 28.3k | { |
638 | | /*******************************************************************/ |
639 | | /* initializing inverse scan matrices */ |
640 | | /*******************************************************************/ |
641 | 28.3k | pu1_inv_scan = (UWORD8 *)gau1_ih264d_inv_scan_int8x8_cabac; |
642 | 28.3k | } |
643 | | |
644 | 735k | for(blk_8x8_cnt = 0; blk_8x8_cnt < 4; blk_8x8_cnt++) |
645 | 588k | { |
646 | 588k | if(CHECKBIT(ps_cur_mb_info->u1_cbp, blk_8x8_cnt)) |
647 | 251k | { |
648 | 251k | tu_blk8x8_coeff_data_t *ps_tu_8x8 = (tu_blk8x8_coeff_data_t *)ps_dec->pv_proc_tu_coeff_data; |
649 | 251k | UWORD32 u4_sig_coeff_map; |
650 | 251k | WORD32 idx = 0; |
651 | 251k | WORD16 *pi2_coeff_data = &ps_tu_8x8->ai2_level[0]; |
652 | 251k | WORD32 num_coeff = 0; |
653 | | |
654 | | /* memset 64 coefficient to zero */ |
655 | 251k | memset(pi2_out_coeff_data,0,64*sizeof(WORD16)); |
656 | | |
657 | 251k | u4_sig_coeff_map = ps_tu_8x8->au4_sig_coeff_map[1]; |
658 | | |
659 | 364k | while(u4_sig_coeff_map) |
660 | 113k | { |
661 | 113k | idx = CLZ(u4_sig_coeff_map); |
662 | | |
663 | 113k | idx = 31 - idx; |
664 | 113k | RESET_BIT(u4_sig_coeff_map,idx); |
665 | | |
666 | 113k | idx = pu1_inv_scan[idx + 32]; |
667 | 113k | pi2_out_coeff_data[idx] = *pi2_coeff_data++; |
668 | 113k | num_coeff++; |
669 | 113k | } |
670 | | |
671 | 251k | u4_sig_coeff_map = ps_tu_8x8->au4_sig_coeff_map[0]; |
672 | 1.22M | while(u4_sig_coeff_map) |
673 | 973k | { |
674 | 973k | idx = CLZ(u4_sig_coeff_map); |
675 | | |
676 | 973k | idx = 31 - idx; |
677 | 973k | RESET_BIT(u4_sig_coeff_map,idx); |
678 | | |
679 | 973k | idx = pu1_inv_scan[idx]; |
680 | 973k | pi2_out_coeff_data[idx] = *pi2_coeff_data++; |
681 | 973k | num_coeff++; |
682 | 973k | } |
683 | | |
684 | 251k | if((num_coeff == 1) && (idx == 0)) |
685 | 41.0k | { |
686 | 41.0k | SET_BIT(u4_luma_dc_only_cbp,blk_8x8_cnt); |
687 | 41.0k | } |
688 | | |
689 | | |
690 | 251k | { |
691 | 251k | WORD32 offset; |
692 | 251k | offset = (UWORD8 *)pi2_coeff_data - (UWORD8 *)ps_tu_8x8; |
693 | 251k | offset = ALIGN4(offset); |
694 | 251k | ps_dec->pv_proc_tu_coeff_data = (void *)((UWORD8 *)ps_dec->pv_proc_tu_coeff_data + offset); |
695 | 251k | } |
696 | 251k | } |
697 | 588k | pi2_out_coeff_data += 64; |
698 | 588k | } |
699 | | |
700 | 147k | return u4_luma_dc_only_cbp; |
701 | 147k | } |
702 | | /*! |
703 | | ************************************************************************** |
704 | | * \if Function name : ih264d_process_intra_mb \endif |
705 | | * |
706 | | * \brief |
707 | | * This function decodes an I MB. Intraprediction is carried out followed |
708 | | * by InvTramsform. Both IntraPrediction and Reconstrucion are carried out |
709 | | * row buffer itself. |
710 | | * |
711 | | * |
712 | | * \return |
713 | | * 0 on Success and Error code otherwise |
714 | | ************************************************************************** |
715 | | */ |
716 | | WORD32 ih264d_process_intra_mb(dec_struct_t * ps_dec, |
717 | | dec_mb_info_t * ps_cur_mb_info, |
718 | | UWORD32 u4_mb_num) |
719 | 1.58M | { |
720 | 1.58M | UWORD8 u1_mb_type = ps_cur_mb_info->u1_mb_type; |
721 | 1.58M | UWORD8 uc_temp = ps_cur_mb_info->u1_mb_ngbr_availablity; |
722 | 1.58M | UWORD8 u1_top_available = BOOLEAN(uc_temp & TOP_MB_AVAILABLE_MASK); |
723 | 1.58M | UWORD8 u1_left_available = BOOLEAN(uc_temp & LEFT_MB_AVAILABLE_MASK); |
724 | 1.58M | UWORD8 u1_use_top_right_mb = BOOLEAN(uc_temp & TOP_RIGHT_MB_AVAILABLE_MASK); |
725 | 1.58M | UWORD8 u1_use_top_left_mb = BOOLEAN(uc_temp & TOP_LEFT_MB_AVAILABLE_MASK); |
726 | 1.58M | UWORD8 uc_useTopMB = u1_top_available; |
727 | 1.58M | UWORD16 u2_use_left_mb = u1_left_available; |
728 | 1.58M | UWORD16 u2_use_left_mb_pack; |
729 | 1.58M | UWORD8 *pu1_luma_pred_buffer; |
730 | | /* CHANGED CODE */ |
731 | 1.58M | UWORD8 *pu1_luma_rec_buffer; |
732 | 1.58M | UWORD8 *puc_top; |
733 | | |
734 | 1.58M | mb_neigbour_params_t *ps_left_mb; |
735 | 1.58M | mb_neigbour_params_t *ps_top_mb; |
736 | 1.58M | mb_neigbour_params_t *ps_top_right_mb; |
737 | 1.58M | mb_neigbour_params_t *ps_curmb; |
738 | | |
739 | 1.58M | UWORD16 u2_mbx = ps_cur_mb_info->u2_mbx; |
740 | 1.58M | UWORD32 ui_pred_width, ui_rec_width; |
741 | 1.58M | WORD16 *pi2_y_coeff; |
742 | 1.58M | UWORD8 u1_mbaff, u1_topmb, u1_mb_field_decoding_flag; |
743 | 1.58M | UWORD32 u4_num_pmbair; |
744 | 1.58M | UWORD16 ui2_luma_csbp = ps_cur_mb_info->u2_luma_csbp; |
745 | 1.58M | UWORD8 *pu1_yleft, *pu1_ytop_left; |
746 | | /* Chroma variables*/ |
747 | 1.58M | UWORD8 *pu1_top_u; |
748 | 1.58M | UWORD8 *pu1_uleft; |
749 | 1.58M | UWORD8 *pu1_u_top_left; |
750 | | /* CHANGED CODE */ |
751 | 1.58M | UWORD8 *pu1_mb_cb_rei1_buffer, *pu1_mb_cr_rei1_buffer; |
752 | 1.58M | UWORD32 u4_recwidth_cr; |
753 | | /* CHANGED CODE */ |
754 | 1.58M | tfr_ctxt_t *ps_frame_buf = ps_dec->ps_frame_buf_ip_recon; |
755 | 1.58M | UWORD32 u4_luma_dc_only_csbp = 0; |
756 | 1.58M | UWORD32 u4_luma_dc_only_cbp = 0; |
757 | | |
758 | 1.58M | UWORD8 *pu1_prev_intra4x4_pred_mode_data = (UWORD8 *)ps_dec->pv_proc_tu_coeff_data; //Pointer to keep track of intra4x4_pred_mode data in pv_proc_tu_coeff_data buffer |
759 | 1.58M | u1_mbaff = ps_dec->ps_cur_slice->u1_mbaff_frame_flag; |
760 | 1.58M | u1_topmb = ps_cur_mb_info->u1_topmb; |
761 | 1.58M | u4_num_pmbair = (u4_mb_num >> u1_mbaff); |
762 | | |
763 | | |
764 | | /*--------------------------------------------------------------------*/ |
765 | | /* Find the current MB's mb params */ |
766 | | /*--------------------------------------------------------------------*/ |
767 | 1.58M | u1_mb_field_decoding_flag = ps_cur_mb_info->u1_mb_field_decodingflag; |
768 | | |
769 | 1.58M | ps_curmb = ps_cur_mb_info->ps_curmb; |
770 | 1.58M | ps_top_mb = ps_cur_mb_info->ps_top_mb; |
771 | 1.58M | ps_left_mb = ps_cur_mb_info->ps_left_mb; |
772 | 1.58M | ps_top_right_mb = ps_cur_mb_info->ps_top_right_mb; |
773 | | |
774 | | /*--------------------------------------------------------------------*/ |
775 | | /* Check whether neighbouring MB is Inter MB and */ |
776 | | /* constrained intra pred is 1. */ |
777 | | /*--------------------------------------------------------------------*/ |
778 | 1.58M | u2_use_left_mb_pack = (u2_use_left_mb << 8) + u2_use_left_mb; |
779 | | |
780 | 1.58M | if(ps_dec->ps_cur_pps->u1_constrained_intra_pred_flag) |
781 | 340k | { |
782 | 340k | UWORD8 u1_left = (UWORD8)u2_use_left_mb; |
783 | | |
784 | 340k | uc_useTopMB = uc_useTopMB |
785 | 221k | && ((ps_top_mb->u1_mb_type != P_MB) |
786 | 194k | && (ps_top_mb->u1_mb_type != B_MB)); |
787 | 340k | u2_use_left_mb = u2_use_left_mb |
788 | 278k | && ((ps_left_mb->u1_mb_type != P_MB) |
789 | 254k | && (ps_left_mb->u1_mb_type != B_MB)); |
790 | | |
791 | 340k | u2_use_left_mb_pack = (u2_use_left_mb << 8) + u2_use_left_mb; |
792 | 340k | if(u1_mbaff) |
793 | 59.0k | { |
794 | 59.0k | if(u1_mb_field_decoding_flag ^ ps_left_mb->u1_mb_fld) |
795 | 11.7k | { |
796 | 11.7k | u1_left = u1_left |
797 | 10.5k | && (((ps_left_mb + 1)->u1_mb_type != P_MB) |
798 | 5.75k | && ((ps_left_mb + 1)->u1_mb_type |
799 | 5.75k | != B_MB)); |
800 | 11.7k | u2_use_left_mb = u2_use_left_mb && u1_left; |
801 | 11.7k | if(u1_mb_field_decoding_flag) |
802 | 6.99k | u2_use_left_mb_pack = (u1_left << 8) |
803 | 6.99k | + (u2_use_left_mb_pack & 0xff); |
804 | 4.72k | else |
805 | 4.72k | u2_use_left_mb_pack = (u2_use_left_mb << 8) |
806 | 4.72k | + (u2_use_left_mb); |
807 | 11.7k | } |
808 | 59.0k | } |
809 | 340k | u1_use_top_right_mb = |
810 | 340k | u1_use_top_right_mb |
811 | 166k | && ((ps_top_right_mb->u1_mb_type != P_MB) |
812 | 148k | && (ps_top_right_mb->u1_mb_type |
813 | 148k | != B_MB)); |
814 | | |
815 | 340k | u1_use_top_left_mb = |
816 | 340k | u1_use_top_left_mb |
817 | 183k | && ((ps_cur_mb_info->u1_topleft_mbtype != P_MB) |
818 | 160k | && (ps_cur_mb_info->u1_topleft_mbtype |
819 | 160k | != B_MB)); |
820 | 340k | } |
821 | | |
822 | | /*********************Common pointer calculations *************************/ |
823 | | /* CHANGED CODE */ |
824 | 1.58M | pu1_luma_pred_buffer = ps_dec->pu1_y; |
825 | 1.58M | pu1_luma_rec_buffer = ps_frame_buf->pu1_dest_y + (u4_num_pmbair << 4); |
826 | 1.58M | pu1_mb_cb_rei1_buffer = ps_frame_buf->pu1_dest_u |
827 | 1.58M | + (u4_num_pmbair << 3) * YUV420SP_FACTOR; |
828 | 1.58M | pu1_mb_cr_rei1_buffer = ps_frame_buf->pu1_dest_v + (u4_num_pmbair << 3); |
829 | 1.58M | ui_pred_width = MB_SIZE; |
830 | 1.58M | ui_rec_width = ps_dec->u2_frm_wd_y << u1_mb_field_decoding_flag; |
831 | 1.58M | u4_recwidth_cr = ps_dec->u2_frm_wd_uv << u1_mb_field_decoding_flag; |
832 | | /************* Current and top luma pointer *****************/ |
833 | | |
834 | 1.58M | if(u1_mbaff) |
835 | 62.1k | { |
836 | 62.1k | if(u1_topmb == 0) |
837 | 31.1k | { |
838 | 31.1k | pu1_luma_rec_buffer += ( |
839 | 31.1k | u1_mb_field_decoding_flag ? |
840 | 13.9k | (ui_rec_width >> 1) : |
841 | 31.1k | (ui_rec_width << 4)); |
842 | 31.1k | pu1_mb_cb_rei1_buffer += ( |
843 | 31.1k | u1_mb_field_decoding_flag ? |
844 | 13.9k | (u4_recwidth_cr >> 1) : |
845 | 31.1k | (u4_recwidth_cr << 3)); |
846 | 31.1k | pu1_mb_cr_rei1_buffer += ( |
847 | 31.1k | u1_mb_field_decoding_flag ? |
848 | 13.9k | (u4_recwidth_cr >> 1) : |
849 | 31.1k | (u4_recwidth_cr << 3)); |
850 | 31.1k | } |
851 | 62.1k | } |
852 | | |
853 | | /* CHANGED CODE */ |
854 | 1.58M | if(ps_dec->u4_use_intrapred_line_copy == 1) |
855 | 1.52M | { |
856 | 1.52M | puc_top = ps_dec->pu1_prev_y_intra_pred_line + (ps_cur_mb_info->u2_mbx << 4); |
857 | 1.52M | pu1_top_u = ps_dec->pu1_prev_u_intra_pred_line |
858 | 1.52M | + (ps_cur_mb_info->u2_mbx << 3) * YUV420SP_FACTOR; |
859 | 1.52M | } |
860 | 62.3k | else |
861 | 62.3k | { |
862 | 62.3k | puc_top = pu1_luma_rec_buffer - ui_rec_width; |
863 | 62.3k | pu1_top_u = pu1_mb_cb_rei1_buffer - u4_recwidth_cr; |
864 | 62.3k | } |
865 | | /* CHANGED CODE */ |
866 | | |
867 | | /************* Left pointer *****************/ |
868 | 1.58M | pu1_yleft = pu1_luma_rec_buffer - 1; |
869 | 1.58M | pu1_uleft = pu1_mb_cb_rei1_buffer - 1 * YUV420SP_FACTOR; |
870 | | |
871 | | /**************Top Left pointer calculation**********/ |
872 | 1.58M | pu1_ytop_left = puc_top - 1; |
873 | 1.58M | pu1_u_top_left = pu1_top_u - 1 * YUV420SP_FACTOR; |
874 | | |
875 | | /* CHANGED CODE */ |
876 | 1.58M | PROFILE_DISABLE_INTRA_PRED() |
877 | 1.58M | { |
878 | 1.58M | pu1_prev_intra4x4_pred_mode_data = (UWORD8 *)ps_dec->pv_proc_tu_coeff_data; |
879 | 1.58M | if(u1_mb_type == I_4x4_MB && ps_cur_mb_info->u1_tran_form8x8 == 0) |
880 | 410k | { |
881 | 410k | ps_dec->pv_proc_tu_coeff_data = (void *)((UWORD8 *)ps_dec->pv_proc_tu_coeff_data + 32); |
882 | | |
883 | 410k | } |
884 | 1.17M | else if (u1_mb_type == I_4x4_MB && ps_cur_mb_info->u1_tran_form8x8 == 1) |
885 | 102k | { |
886 | 102k | ps_dec->pv_proc_tu_coeff_data = (void *)((UWORD8 *)ps_dec->pv_proc_tu_coeff_data + 8); |
887 | 102k | } |
888 | 1.58M | } |
889 | 1.58M | if(!ps_cur_mb_info->u1_tran_form8x8) |
890 | 1.48M | { |
891 | 1.48M | u4_luma_dc_only_csbp = ih264d_unpack_luma_coeff4x4_mb(ps_dec, |
892 | 1.48M | ps_cur_mb_info, |
893 | 1.48M | 1); |
894 | 1.48M | } |
895 | 102k | else |
896 | 102k | { |
897 | 102k | if(!ps_dec->ps_cur_pps->u1_entropy_coding_mode) |
898 | 21.3k | { |
899 | 21.3k | u4_luma_dc_only_cbp = ih264d_unpack_luma_coeff4x4_mb(ps_dec, |
900 | 21.3k | ps_cur_mb_info, |
901 | 21.3k | 1); |
902 | 21.3k | } |
903 | 81.4k | else |
904 | 81.4k | { |
905 | 81.4k | u4_luma_dc_only_cbp = ih264d_unpack_luma_coeff8x8_mb(ps_dec, |
906 | 81.4k | ps_cur_mb_info); |
907 | 81.4k | } |
908 | 102k | } |
909 | | |
910 | 1.58M | pi2_y_coeff = ps_dec->pi2_coeff_data; |
911 | | |
912 | 1.58M | if(u1_mb_type != I_4x4_MB) |
913 | 1.07M | { |
914 | 1.07M | UWORD8 u1_intrapred_mode = MB_TYPE_TO_INTRA_16x16_MODE(u1_mb_type); |
915 | | /*--------------------------------------------------------------------*/ |
916 | | /* 16x16 IntraPrediction */ |
917 | | /*--------------------------------------------------------------------*/ |
918 | 1.07M | { |
919 | 1.07M | UWORD8 u1_packed_modes = (u1_top_available << 1) |
920 | 1.07M | + u1_left_available; |
921 | 1.07M | UWORD8 u1_err_code = |
922 | 1.07M | (u1_intrapred_mode & 1) ? |
923 | 462k | u1_intrapred_mode : |
924 | 1.07M | (u1_intrapred_mode ^ 2); |
925 | | |
926 | 1.07M | if((u1_err_code & u1_packed_modes) ^ u1_err_code) |
927 | 45.4k | { |
928 | 45.4k | u1_intrapred_mode = 0; |
929 | 45.4k | ps_dec->i4_error_code = ERROR_INTRAPRED; |
930 | 45.4k | } |
931 | 1.07M | } |
932 | 1.07M | { |
933 | | /* Align the size to multiple of 8, so that SIMD functions |
934 | | can read 64 bits at a time. Only 33 bytes are actaully used */ |
935 | 1.07M | UWORD8 au1_ngbr_pels[40]; |
936 | | /* Get neighbour pixels */ |
937 | | /* left pels */ |
938 | 1.07M | if(u2_use_left_mb) |
939 | 996k | { |
940 | 996k | WORD32 i; |
941 | 16.9M | for(i = 0; i < 16; i++) |
942 | 15.9M | au1_ngbr_pels[16 - 1 - i] = pu1_yleft[i * ui_rec_width]; |
943 | 996k | } |
944 | 79.4k | else |
945 | 79.4k | { |
946 | 79.4k | memset(au1_ngbr_pels, 0, 16); |
947 | 79.4k | } |
948 | | |
949 | | /* top left pels */ |
950 | 1.07M | au1_ngbr_pels[16] = *pu1_ytop_left; |
951 | | |
952 | | /* top pels */ |
953 | 1.07M | if(uc_useTopMB) |
954 | 983k | { |
955 | 983k | memcpy(au1_ngbr_pels + 16 + 1, puc_top, 16); |
956 | 983k | } |
957 | 92.2k | else |
958 | 92.2k | { |
959 | 92.2k | memset(au1_ngbr_pels + 16 + 1, 0, 16); |
960 | 92.2k | } |
961 | 1.07M | PROFILE_DISABLE_INTRA_PRED() |
962 | 1.07M | ps_dec->apf_intra_pred_luma_16x16[u1_intrapred_mode]( |
963 | 1.07M | au1_ngbr_pels, pu1_luma_rec_buffer, 1, ui_rec_width, |
964 | 1.07M | ((uc_useTopMB << 2) | u2_use_left_mb)); |
965 | 1.07M | } |
966 | 1.07M | { |
967 | 1.07M | UWORD32 i; |
968 | 1.07M | WORD16 ai2_tmp[16]; |
969 | 18.2M | for(i = 0; i < 16; i++) |
970 | 17.2M | { |
971 | 17.2M | WORD16 *pi2_level = pi2_y_coeff + (i << 4); |
972 | 17.2M | UWORD8 *pu1_pred_sblk = pu1_luma_rec_buffer |
973 | 17.2M | + ((i & 0x3) * BLK_SIZE) |
974 | 17.2M | + (i >> 2) * (ui_rec_width << 2); |
975 | 17.2M | PROFILE_DISABLE_IQ_IT_RECON() |
976 | 17.2M | { |
977 | 17.2M | if(CHECKBIT(ps_cur_mb_info->u2_luma_csbp, i)) |
978 | 78.9k | { |
979 | 78.9k | ps_dec->pf_iquant_itrans_recon_luma_4x4( |
980 | 78.9k | pi2_level, |
981 | 78.9k | pu1_pred_sblk, |
982 | 78.9k | pu1_pred_sblk, |
983 | 78.9k | ui_rec_width, |
984 | 78.9k | ui_rec_width, |
985 | 78.9k | gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qp_rem6], |
986 | 78.9k | (UWORD16 *)ps_dec->s_high_profile.i2_scalinglist4x4[0], |
987 | 78.9k | ps_cur_mb_info->u1_qp_div6, ai2_tmp, 1, |
988 | 78.9k | pi2_level); |
989 | 78.9k | } |
990 | 17.1M | else if((CHECKBIT(u4_luma_dc_only_csbp, i)) && pi2_level[0] != 0) |
991 | 1.61M | { |
992 | 1.61M | ps_dec->pf_iquant_itrans_recon_luma_4x4_dc( |
993 | 1.61M | pi2_level, |
994 | 1.61M | pu1_pred_sblk, |
995 | 1.61M | pu1_pred_sblk, |
996 | 1.61M | ui_rec_width, |
997 | 1.61M | ui_rec_width, |
998 | 1.61M | gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qp_rem6], |
999 | 1.61M | (UWORD16 *)ps_dec->s_high_profile.i2_scalinglist4x4[0], |
1000 | 1.61M | ps_cur_mb_info->u1_qp_div6, ai2_tmp, 1, |
1001 | 1.61M | pi2_level); |
1002 | 1.61M | } |
1003 | 17.2M | } |
1004 | 17.2M | } |
1005 | 1.07M | } |
1006 | 1.07M | } |
1007 | 513k | else if(!ps_cur_mb_info->u1_tran_form8x8) |
1008 | 410k | { |
1009 | 410k | UWORD8 u1_is_left_sub_block, u1_is_top_sub_block = uc_useTopMB; |
1010 | 410k | UWORD8 u1_sub_blk_x, u1_sub_blk_y, u1_sub_mb_num; |
1011 | 410k | WORD8 i1_top_pred_mode; |
1012 | 410k | WORD8 i1_left_pred_mode; |
1013 | 410k | UWORD8 *pu1_top, *pu1_left, *pu1_top_left, *pu1_top_right; |
1014 | 410k | WORD8 *pi1_cur_pred_mode, *pi1_left_pred_mode, *pc_topPredMode; |
1015 | 410k | UWORD16 ui2_left_pred_buf_width = 0xffff; |
1016 | 410k | WORD8 i1_intra_pred; |
1017 | 410k | UWORD8 *pu1_prev_intra4x4_pred_mode_flag = pu1_prev_intra4x4_pred_mode_data; |
1018 | 410k | UWORD8 *pu1_rem_intra4x4_pred_mode = pu1_prev_intra4x4_pred_mode_data + 16; |
1019 | 410k | WORD16 *pi2_y_coeff1; |
1020 | 410k | UWORD8 u1_cur_sub_block; |
1021 | 410k | UWORD16 ui2_top_rt_mask; |
1022 | | |
1023 | | /*--------------------------------------------------------------------*/ |
1024 | | /* 4x4 IntraPrediction */ |
1025 | | /*--------------------------------------------------------------------*/ |
1026 | | /* Calculation of Top Right subblock mask */ |
1027 | | /* */ |
1028 | | /* (a) Set it to default mask */ |
1029 | | /* [It has 0 for sublocks which will never have top-right sub block] */ |
1030 | | /* */ |
1031 | | /* (b) If top MB is not available */ |
1032 | | /* Clear the bits of the first row sub blocks */ |
1033 | | /* */ |
1034 | | /* (c) Set/Clear bit for top-right sublock of MB */ |
1035 | | /* [5 sub-block in decoding order] based on TOP RIGHT MB availablity */ |
1036 | | /*--------------------------------------------------------------------*/ |
1037 | | |
1038 | 410k | pu1_top = puc_top; |
1039 | | |
1040 | 410k | ui2_top_rt_mask = (u1_use_top_right_mb << 3) | (0x5750); |
1041 | 410k | if(uc_useTopMB) |
1042 | 295k | ui2_top_rt_mask |= 0x7; |
1043 | | |
1044 | | /*Top Related initialisations*/ |
1045 | | |
1046 | | |
1047 | 410k | pi1_cur_pred_mode = ps_cur_mb_info->ps_curmb->pi1_intrapredmodes; |
1048 | 410k | pc_topPredMode = ps_cur_mb_info->ps_top_mb->pi1_intrapredmodes; |
1049 | | /*-------------------------------------- |
1050 | | if(u1_mbaff) |
1051 | | { |
1052 | | |
1053 | | pi1_cur_pred_mode += (u2_mbx << 2); |
1054 | | pc_topPredMode = pi1_cur_pred_mode + ps_cur_mb_info->i1_offset; |
1055 | | pi1_cur_pred_mode += (u1_topmb) ? 0: 4; |
1056 | | }*/ |
1057 | | |
1058 | 410k | if(u1_top_available) |
1059 | 303k | { |
1060 | 303k | if(ps_top_mb->u1_mb_type == I_4x4_MB) |
1061 | 284k | *(WORD32*)pi1_cur_pred_mode = *(WORD32*)pc_topPredMode; |
1062 | 19.4k | else |
1063 | 19.4k | *(WORD32*)pi1_cur_pred_mode = |
1064 | 19.4k | (uc_useTopMB) ? DC_DC_DC_DC : NOT_VALID; |
1065 | 303k | } |
1066 | 106k | else |
1067 | 106k | *(WORD32*)pi1_cur_pred_mode = NOT_VALID; |
1068 | | /* CHANGED CODE */ |
1069 | | |
1070 | | /* CHANGED CODE */ |
1071 | | |
1072 | | /*Left Related initialisations*/ |
1073 | 410k | pi1_left_pred_mode = ps_dec->pi1_left_pred_mode; |
1074 | 410k | if(!u1_mbaff) |
1075 | 392k | { |
1076 | | |
1077 | 392k | if(u1_left_available) |
1078 | 360k | { |
1079 | | |
1080 | 360k | if(ps_left_mb->u1_mb_type != I_4x4_MB) |
1081 | 12.8k | *(WORD32*)pi1_left_pred_mode = |
1082 | 12.8k | (u2_use_left_mb_pack) ? |
1083 | 10.8k | DC_DC_DC_DC : |
1084 | 12.8k | NOT_VALID; |
1085 | | |
1086 | 360k | } |
1087 | 32.0k | else |
1088 | 32.0k | { |
1089 | | |
1090 | 32.0k | *(WORD32*)pi1_left_pred_mode = NOT_VALID; |
1091 | 32.0k | } |
1092 | | |
1093 | 392k | } |
1094 | 17.4k | else |
1095 | 17.4k | { |
1096 | 17.4k | UWORD8 u1_curMbfld = ps_cur_mb_info->u1_mb_field_decodingflag; |
1097 | 17.4k | UWORD8 u1_leftMbfld = ps_left_mb->u1_mb_fld; |
1098 | | |
1099 | 17.4k | if(u1_curMbfld ^ u1_leftMbfld) |
1100 | 5.20k | { |
1101 | | |
1102 | 5.20k | if(u1_topmb |
1103 | 5.20k | | ((u1_topmb == 0) |
1104 | 2.63k | && ((ps_curmb - 1)->u1_mb_type |
1105 | 2.63k | != I_4x4_MB))) |
1106 | 3.46k | { |
1107 | 3.46k | if(u1_left_available) |
1108 | 3.04k | { |
1109 | 3.04k | if(ps_left_mb->u1_mb_type != I_4x4_MB) |
1110 | 1.60k | { |
1111 | 1.60k | if(CHECKBIT(u2_use_left_mb_pack,0) == 0) |
1112 | 1.47k | *(WORD32*)pi1_left_pred_mode = NOT_VALID; |
1113 | 124 | else |
1114 | 124 | *(WORD32*)pi1_left_pred_mode = DC_DC_DC_DC; |
1115 | 1.60k | } |
1116 | 3.04k | } |
1117 | 421 | else |
1118 | 421 | *(WORD32*)pi1_left_pred_mode = NOT_VALID; |
1119 | | |
1120 | 3.46k | if(u1_curMbfld) |
1121 | 1.97k | { |
1122 | 1.97k | if(u1_left_available) |
1123 | 1.60k | { |
1124 | 1.60k | if((ps_left_mb + 1)->u1_mb_type != I_4x4_MB) |
1125 | 836 | { |
1126 | 836 | if(u2_use_left_mb_pack >> 8) |
1127 | 54 | *(WORD32*)(pi1_left_pred_mode + 4) = |
1128 | 54 | DC_DC_DC_DC; |
1129 | 782 | else |
1130 | 782 | *(WORD32*)(pi1_left_pred_mode + 4) = |
1131 | 782 | NOT_VALID; |
1132 | 836 | } |
1133 | 1.60k | } |
1134 | 368 | else |
1135 | 368 | *(WORD32*)(pi1_left_pred_mode + 4) = NOT_VALID; |
1136 | 1.97k | pi1_left_pred_mode[1] = pi1_left_pred_mode[2]; |
1137 | 1.97k | pi1_left_pred_mode[2] = pi1_left_pred_mode[4]; |
1138 | 1.97k | pi1_left_pred_mode[3] = pi1_left_pred_mode[6]; |
1139 | 1.97k | *(WORD32*)(pi1_left_pred_mode + 4) = |
1140 | 1.97k | *(WORD32*)pi1_left_pred_mode; |
1141 | 1.97k | } |
1142 | 1.49k | else |
1143 | 1.49k | { |
1144 | | |
1145 | 1.49k | pi1_left_pred_mode[7] = pi1_left_pred_mode[3]; |
1146 | 1.49k | pi1_left_pred_mode[6] = pi1_left_pred_mode[3]; |
1147 | 1.49k | pi1_left_pred_mode[5] = pi1_left_pred_mode[2]; |
1148 | 1.49k | pi1_left_pred_mode[4] = pi1_left_pred_mode[2]; |
1149 | 1.49k | pi1_left_pred_mode[3] = pi1_left_pred_mode[1]; |
1150 | 1.49k | pi1_left_pred_mode[2] = pi1_left_pred_mode[1]; |
1151 | 1.49k | pi1_left_pred_mode[1] = pi1_left_pred_mode[0]; |
1152 | 1.49k | } |
1153 | 3.46k | } |
1154 | 5.20k | pi1_left_pred_mode += (u1_topmb) ? 0 : 4; |
1155 | 5.20k | } |
1156 | 12.2k | else |
1157 | 12.2k | { |
1158 | | |
1159 | 12.2k | pi1_left_pred_mode += (u1_topmb) ? 0 : 4; |
1160 | 12.2k | if(u1_left_available) |
1161 | 11.6k | { |
1162 | | |
1163 | 11.6k | if(ps_left_mb->u1_mb_type != I_4x4_MB) |
1164 | 4.38k | *(WORD32*)pi1_left_pred_mode = |
1165 | 4.38k | (u2_use_left_mb_pack) ? |
1166 | 556 | DC_DC_DC_DC : |
1167 | 4.38k | NOT_VALID; |
1168 | 11.6k | } |
1169 | 608 | else |
1170 | 608 | *(WORD32*)pi1_left_pred_mode = NOT_VALID; |
1171 | 12.2k | } |
1172 | 17.4k | } |
1173 | | /* One time pointer initialisations*/ |
1174 | 410k | pi2_y_coeff1 = pi2_y_coeff; |
1175 | 410k | pu1_top_left = pu1_ytop_left; |
1176 | | |
1177 | | /* Scan the sub-blocks in Raster Scan Order */ |
1178 | 6.97M | for(u1_sub_mb_num = 0; u1_sub_mb_num < 16; u1_sub_mb_num++) |
1179 | 6.56M | { |
1180 | | /* Align the size to multiple of 8, so that SIMD functions |
1181 | | can read 64 bits at a time. Only 13 bytes are actaully used */ |
1182 | 6.56M | UWORD8 au1_ngbr_pels[16]; |
1183 | | |
1184 | 6.56M | u1_sub_blk_x = u1_sub_mb_num & 0x3; |
1185 | 6.56M | u1_sub_blk_y = u1_sub_mb_num >> 2; |
1186 | 6.56M | i1_top_pred_mode = pi1_cur_pred_mode[u1_sub_blk_x]; |
1187 | 6.56M | i1_left_pred_mode = pi1_left_pred_mode[u1_sub_blk_y]; |
1188 | 6.56M | u1_use_top_right_mb = (!!CHECKBIT(ui2_top_rt_mask, u1_sub_mb_num)); |
1189 | | |
1190 | | /*********** left subblock availability**********/ |
1191 | 6.56M | if(u1_sub_blk_x) |
1192 | 4.92M | u1_is_left_sub_block = 1; |
1193 | 1.64M | else |
1194 | 1.64M | u1_is_left_sub_block = |
1195 | 1.64M | (u1_sub_blk_y < 2) ? |
1196 | 820k | (CHECKBIT(u2_use_left_mb_pack, |
1197 | 820k | 0)) : |
1198 | 1.64M | (u2_use_left_mb_pack >> 8); |
1199 | | |
1200 | | /* CHANGED CODE */ |
1201 | 6.56M | if(u1_sub_blk_y) |
1202 | 4.92M | u1_is_top_sub_block = 1; |
1203 | | |
1204 | | /* CHANGED CODE */ |
1205 | | /***************** Top *********************/ |
1206 | 6.56M | if(ps_dec->u4_use_intrapred_line_copy == 1) |
1207 | 6.28M | { |
1208 | | |
1209 | 6.28M | if(u1_sub_blk_y) |
1210 | 4.71M | pu1_top = pu1_luma_rec_buffer - ui_rec_width; |
1211 | 1.57M | else |
1212 | 1.57M | pu1_top = puc_top + (u1_sub_blk_x << 2); |
1213 | 6.28M | } |
1214 | 280k | else |
1215 | 280k | { |
1216 | 280k | pu1_top = pu1_luma_rec_buffer - ui_rec_width; |
1217 | 280k | } |
1218 | | /***************** Top Right *********************/ |
1219 | 6.56M | pu1_top_right = pu1_top + 4; |
1220 | | /***************** Top Left *********************/ |
1221 | 6.56M | pu1_top_left = pu1_top - 1; |
1222 | | /***************** Left *********************/ |
1223 | 6.56M | pu1_left = pu1_luma_rec_buffer - 1; |
1224 | | /* CHANGED CODE */ |
1225 | | |
1226 | | /*---------------------------------------------------------------*/ |
1227 | | /* Calculation of Intra prediction mode */ |
1228 | | /*---------------------------------------------------------------*/ |
1229 | 6.56M | i1_intra_pred = ((i1_left_pred_mode < 0) | (i1_top_pred_mode < 0)) ? |
1230 | 5.95M | DC : MIN(i1_left_pred_mode, i1_top_pred_mode); |
1231 | 6.56M | { |
1232 | 6.56M | UWORD8 u1_packed_modes = (u1_is_top_sub_block << 1) |
1233 | 6.56M | + u1_is_left_sub_block; |
1234 | 6.56M | UWORD8 *pu1_intra_err_codes = |
1235 | 6.56M | (UWORD8 *)gau1_ih264d_intra_pred_err_code; |
1236 | 6.56M | UWORD8 uc_b2b0 = ((u1_sub_mb_num & 4) >> 1) | (u1_sub_mb_num & 1); |
1237 | 6.56M | UWORD8 uc_b3b1 = ((u1_sub_mb_num & 8) >> 2) |
1238 | 6.56M | | ((u1_sub_mb_num & 2) >> 1); |
1239 | | |
1240 | 6.56M | u1_cur_sub_block = (uc_b3b1 << 2) + uc_b2b0; |
1241 | 6.56M | PROFILE_DISABLE_INTRA_PRED() |
1242 | 6.56M | if(!pu1_prev_intra4x4_pred_mode_flag[u1_cur_sub_block]) |
1243 | 521k | { |
1244 | 521k | i1_intra_pred = |
1245 | 521k | pu1_rem_intra4x4_pred_mode[u1_cur_sub_block] |
1246 | 521k | + (pu1_rem_intra4x4_pred_mode[u1_cur_sub_block] |
1247 | 521k | >= i1_intra_pred); |
1248 | 521k | } |
1249 | 6.56M | i1_intra_pred = CLIP3(0, 8, i1_intra_pred); |
1250 | 6.56M | { |
1251 | 6.56M | UWORD8 u1_err_code = pu1_intra_err_codes[i1_intra_pred]; |
1252 | | |
1253 | 6.56M | if((u1_err_code & u1_packed_modes) ^ u1_err_code) |
1254 | 24.7k | { |
1255 | 24.7k | i1_intra_pred = 0; |
1256 | 24.7k | ps_dec->i4_error_code = ERROR_INTRAPRED; |
1257 | 24.7k | } |
1258 | | |
1259 | 6.56M | } |
1260 | 6.56M | } |
1261 | 6.56M | { |
1262 | | /* Get neighbour pixels */ |
1263 | | /* left pels */ |
1264 | 6.56M | if(u1_is_left_sub_block) |
1265 | 6.39M | { |
1266 | 6.39M | WORD32 i; |
1267 | 31.9M | for(i = 0; i < 4; i++) |
1268 | 25.5M | au1_ngbr_pels[4 - 1 - i] = pu1_left[i * ui_rec_width]; |
1269 | 6.39M | } |
1270 | 167k | else |
1271 | 167k | { |
1272 | 167k | memset(au1_ngbr_pels, 0, 4); |
1273 | 167k | } |
1274 | | |
1275 | | /* top left pels */ |
1276 | 6.56M | au1_ngbr_pels[4] = *pu1_top_left; |
1277 | | |
1278 | | /* top pels */ |
1279 | 6.56M | if(u1_is_top_sub_block) |
1280 | 6.10M | { |
1281 | 6.10M | memcpy(au1_ngbr_pels + 4 + 1, pu1_top, 4); |
1282 | 6.10M | } |
1283 | 457k | else |
1284 | 457k | { |
1285 | 457k | memset(au1_ngbr_pels + 4 + 1, 0, 4); |
1286 | 457k | } |
1287 | | |
1288 | | /* top right pels */ |
1289 | 6.56M | if(u1_use_top_right_mb) |
1290 | 4.03M | { |
1291 | 4.03M | memcpy(au1_ngbr_pels + 4 * 2 + 1, pu1_top_right, 4); |
1292 | 4.03M | } |
1293 | 2.53M | else if(u1_is_top_sub_block) |
1294 | 2.07M | { |
1295 | 2.07M | memset(au1_ngbr_pels + 4 * 2 + 1, au1_ngbr_pels[4 * 2], 4); |
1296 | 2.07M | } |
1297 | 6.56M | } |
1298 | 6.56M | PROFILE_DISABLE_INTRA_PRED() |
1299 | 6.56M | ps_dec->apf_intra_pred_luma_4x4[i1_intra_pred]( |
1300 | 6.56M | au1_ngbr_pels, pu1_luma_rec_buffer, 1, |
1301 | 6.56M | ui_rec_width, |
1302 | 6.56M | ((u1_is_top_sub_block << 2) | u1_is_left_sub_block)); |
1303 | | |
1304 | | /* CHANGED CODE */ |
1305 | 6.56M | if(CHECKBIT(ui2_luma_csbp, u1_sub_mb_num)) |
1306 | 413k | { |
1307 | 413k | WORD16 ai2_tmp[16]; |
1308 | 413k | PROFILE_DISABLE_IQ_IT_RECON() |
1309 | 413k | { |
1310 | 413k | if(CHECKBIT(u4_luma_dc_only_csbp, u1_sub_mb_num)) |
1311 | 100k | { |
1312 | 100k | ps_dec->pf_iquant_itrans_recon_luma_4x4_dc( |
1313 | 100k | pi2_y_coeff1, |
1314 | 100k | pu1_luma_rec_buffer, |
1315 | 100k | pu1_luma_rec_buffer, |
1316 | 100k | ui_rec_width, |
1317 | 100k | ui_rec_width, |
1318 | 100k | gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qp_rem6], |
1319 | 100k | (UWORD16 *)ps_dec->s_high_profile.i2_scalinglist4x4[0], |
1320 | 100k | ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, |
1321 | 100k | NULL); |
1322 | 100k | } |
1323 | 313k | else |
1324 | 313k | { |
1325 | 313k | ps_dec->pf_iquant_itrans_recon_luma_4x4( |
1326 | 313k | pi2_y_coeff1, |
1327 | 313k | pu1_luma_rec_buffer, |
1328 | 313k | pu1_luma_rec_buffer, |
1329 | 313k | ui_rec_width, |
1330 | 313k | ui_rec_width, |
1331 | 313k | gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qp_rem6], |
1332 | 313k | (UWORD16 *)ps_dec->s_high_profile.i2_scalinglist4x4[0], |
1333 | 313k | ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, |
1334 | 313k | NULL); |
1335 | 313k | } |
1336 | 413k | } |
1337 | | |
1338 | 413k | } |
1339 | | |
1340 | | /*---------------------------------------------------------------*/ |
1341 | | /* Update sub block number */ |
1342 | | /*---------------------------------------------------------------*/ |
1343 | 6.56M | pi2_y_coeff1 += 16; |
1344 | 6.56M | pu1_luma_rec_buffer += |
1345 | 6.56M | (u1_sub_blk_x == 3) ? (ui_rec_width << 2) - 12 : 4; |
1346 | 6.56M | pu1_luma_pred_buffer += |
1347 | 6.56M | (u1_sub_blk_x == 3) ? (ui_pred_width << 2) - 12 : 4; |
1348 | | /* CHANGED CODE */ |
1349 | 6.56M | pi1_cur_pred_mode[u1_sub_blk_x] = i1_intra_pred; |
1350 | 6.56M | pi1_left_pred_mode[u1_sub_blk_y] = i1_intra_pred; |
1351 | 6.56M | } |
1352 | 410k | } |
1353 | 102k | else if((u1_mb_type == I_4x4_MB) && (ps_cur_mb_info->u1_tran_form8x8 == 1)) |
1354 | 102k | { |
1355 | 102k | UWORD8 u1_is_left_sub_block, u1_is_top_sub_block = uc_useTopMB; |
1356 | 102k | UWORD8 u1_sub_blk_x, u1_sub_blk_y; |
1357 | 102k | UWORD32 u4_sub_mb_num; |
1358 | 102k | WORD8 i1_top_pred_mode; |
1359 | 102k | WORD8 i1_left_pred_mode; |
1360 | 102k | UWORD8 *pu1_top, *pu1_left, *pu1_top_left; |
1361 | 102k | WORD8 *pi1_cur_pred_mode, *pi1_left_pred_mode, *pc_topPredMode; |
1362 | 102k | UWORD16 ui2_left_pred_buf_width = 0xffff; |
1363 | 102k | WORD8 i1_intra_pred; |
1364 | 102k | UWORD8 *pu1_prev_intra4x4_pred_mode_flag = pu1_prev_intra4x4_pred_mode_data; |
1365 | 102k | UWORD8 *pu1_rem_intra4x4_pred_mode = pu1_prev_intra4x4_pred_mode_data + 4; |
1366 | 102k | WORD16 *pi2_y_coeff1; |
1367 | 102k | UWORD16 ui2_top_rt_mask; |
1368 | 102k | UWORD32 u4_4x4_left_offset = 0; |
1369 | | |
1370 | | /*--------------------------------------------------------------------*/ |
1371 | | /* 8x8 IntraPrediction */ |
1372 | | /*--------------------------------------------------------------------*/ |
1373 | | /* Calculation of Top Right subblock mask */ |
1374 | | /* */ |
1375 | | /* (a) Set it to default mask */ |
1376 | | /* [It has 0 for sublocks which will never have top-right sub block] */ |
1377 | | /* */ |
1378 | | /* (b) If top MB is not available */ |
1379 | | /* Clear the bits of the first row sub blocks */ |
1380 | | /* */ |
1381 | | /* (c) Set/Clear bit for top-right sublock of MB */ |
1382 | | /* [5 sub-block in decoding order] based on TOP RIGHT MB availablity */ |
1383 | | /* */ |
1384 | | /* ui2_top_rt_mask: marks availibility of top right(neighbour) */ |
1385 | | /* in the 8x8 Block ordering */ |
1386 | | /* */ |
1387 | | /* tr0 tr1 */ |
1388 | | /* 0 1 tr3 */ |
1389 | | /* 2 3 */ |
1390 | | /* */ |
1391 | | /* Top rights for 0 is in top MB */ |
1392 | | /* top right of 1 will be in top right MB */ |
1393 | | /* top right of 3 in right MB and hence not available */ |
1394 | | /* This corresponds to ui2_top_rt_mask having default value 0x4 */ |
1395 | | /*--------------------------------------------------------------------*/ |
1396 | | |
1397 | 102k | ui2_top_rt_mask = (u1_use_top_right_mb << 1) | (0x4); |
1398 | | |
1399 | 102k | if(uc_useTopMB) |
1400 | 71.3k | { |
1401 | 71.3k | ui2_top_rt_mask |= 0x1; |
1402 | 71.3k | } |
1403 | | |
1404 | | /* Top Related initialisations */ |
1405 | 102k | pi1_cur_pred_mode = ps_cur_mb_info->ps_curmb->pi1_intrapredmodes; |
1406 | 102k | pc_topPredMode = ps_cur_mb_info->ps_top_mb->pi1_intrapredmodes; |
1407 | | /* |
1408 | | if(u1_mbaff) |
1409 | | { |
1410 | | pi1_cur_pred_mode += (u2_mbx << 2); |
1411 | | pc_topPredMode = pi1_cur_pred_mode + ps_cur_mb_info->i1_offset; |
1412 | | pi1_cur_pred_mode += (u1_topmb) ? 0: 4; |
1413 | | } |
1414 | | */ |
1415 | 102k | if(u1_top_available) |
1416 | 78.2k | { |
1417 | 78.2k | if(ps_top_mb->u1_mb_type == I_4x4_MB) |
1418 | 61.8k | { |
1419 | 61.8k | *(WORD32*)pi1_cur_pred_mode = *(WORD32*)pc_topPredMode; |
1420 | 61.8k | } |
1421 | 16.4k | else |
1422 | 16.4k | { |
1423 | 16.4k | *(WORD32*)pi1_cur_pred_mode = |
1424 | 16.4k | (uc_useTopMB) ? DC_DC_DC_DC : NOT_VALID; |
1425 | 16.4k | } |
1426 | 78.2k | } |
1427 | 24.4k | else |
1428 | 24.4k | { |
1429 | 24.4k | *(WORD32*)pi1_cur_pred_mode = NOT_VALID; |
1430 | 24.4k | } |
1431 | | |
1432 | 102k | pu1_top = puc_top - 8; |
1433 | | |
1434 | | /*Left Related initialisations*/ |
1435 | 102k | pi1_left_pred_mode = ps_dec->pi1_left_pred_mode; |
1436 | | |
1437 | 102k | if(!u1_mbaff) |
1438 | 68.4k | { |
1439 | 68.4k | if(u1_left_available) |
1440 | 50.0k | { |
1441 | 50.0k | if(ps_left_mb->u1_mb_type != I_4x4_MB) |
1442 | 9.45k | { |
1443 | 9.45k | *(WORD32*)pi1_left_pred_mode = |
1444 | 9.45k | (u2_use_left_mb_pack) ? |
1445 | 7.95k | DC_DC_DC_DC : |
1446 | 9.45k | NOT_VALID; |
1447 | 9.45k | } |
1448 | 50.0k | } |
1449 | 18.3k | else |
1450 | 18.3k | { |
1451 | 18.3k | *(WORD32*)pi1_left_pred_mode = NOT_VALID; |
1452 | 18.3k | } |
1453 | 68.4k | } |
1454 | 34.2k | else |
1455 | 34.2k | { |
1456 | 34.2k | UWORD8 u1_curMbfld = ps_cur_mb_info->u1_mb_field_decodingflag; |
1457 | | |
1458 | 34.2k | UWORD8 u1_leftMbfld = ps_left_mb->u1_mb_fld; |
1459 | | |
1460 | 34.2k | if((!u1_curMbfld) && (u1_leftMbfld)) |
1461 | 1.79k | { |
1462 | 1.79k | u4_4x4_left_offset = 1; |
1463 | 1.79k | } |
1464 | | |
1465 | 34.2k | if(u1_curMbfld ^ u1_leftMbfld) |
1466 | 5.34k | { |
1467 | | |
1468 | 5.34k | if(u1_topmb |
1469 | 5.34k | | ((u1_topmb == 0) |
1470 | 2.64k | && ((ps_curmb - 1)->u1_mb_type |
1471 | 2.64k | != I_4x4_MB))) |
1472 | | |
1473 | 3.37k | { |
1474 | 3.37k | if(u1_left_available) |
1475 | 2.98k | { |
1476 | 2.98k | if(ps_left_mb->u1_mb_type != I_4x4_MB) |
1477 | 1.25k | { |
1478 | 1.25k | if(CHECKBIT(u2_use_left_mb_pack,0) == 0) |
1479 | 1.14k | { |
1480 | 1.14k | *(WORD32*)pi1_left_pred_mode = NOT_VALID; |
1481 | 1.14k | } |
1482 | 113 | else |
1483 | 113 | { |
1484 | 113 | *(WORD32*)pi1_left_pred_mode = DC_DC_DC_DC; |
1485 | 113 | } |
1486 | 1.25k | } |
1487 | 2.98k | } |
1488 | 394 | else |
1489 | 394 | { |
1490 | 394 | *(WORD32*)pi1_left_pred_mode = NOT_VALID; |
1491 | 394 | } |
1492 | | |
1493 | 3.37k | if(u1_curMbfld) |
1494 | 2.11k | { |
1495 | 2.11k | if(u1_left_available) |
1496 | 1.75k | { |
1497 | 1.75k | if((ps_left_mb + 1)->u1_mb_type != I_4x4_MB) |
1498 | 839 | { |
1499 | 839 | if(u2_use_left_mb_pack >> 8) |
1500 | 85 | { |
1501 | 85 | *(WORD32*)(pi1_left_pred_mode + 4) = |
1502 | 85 | DC_DC_DC_DC; |
1503 | 85 | } |
1504 | 754 | else |
1505 | 754 | { |
1506 | 754 | *(WORD32*)(pi1_left_pred_mode + 4) = |
1507 | 754 | NOT_VALID; |
1508 | 754 | } |
1509 | 839 | } |
1510 | 1.75k | } |
1511 | 358 | else |
1512 | 358 | { |
1513 | 358 | *(WORD32*)(pi1_left_pred_mode + 4) = NOT_VALID; |
1514 | 358 | } |
1515 | | |
1516 | 2.11k | pi1_left_pred_mode[1] = pi1_left_pred_mode[2]; |
1517 | 2.11k | pi1_left_pred_mode[2] = pi1_left_pred_mode[4]; |
1518 | 2.11k | pi1_left_pred_mode[3] = pi1_left_pred_mode[6]; |
1519 | 2.11k | *(WORD32*)(pi1_left_pred_mode + 4) = |
1520 | 2.11k | *(WORD32*)pi1_left_pred_mode; |
1521 | 2.11k | } |
1522 | 1.26k | else |
1523 | 1.26k | { |
1524 | 1.26k | pi1_left_pred_mode[7] = pi1_left_pred_mode[3]; |
1525 | 1.26k | pi1_left_pred_mode[6] = pi1_left_pred_mode[3]; |
1526 | 1.26k | pi1_left_pred_mode[5] = pi1_left_pred_mode[2]; |
1527 | 1.26k | pi1_left_pred_mode[4] = pi1_left_pred_mode[2]; |
1528 | 1.26k | pi1_left_pred_mode[3] = pi1_left_pred_mode[1]; |
1529 | 1.26k | pi1_left_pred_mode[2] = pi1_left_pred_mode[1]; |
1530 | 1.26k | pi1_left_pred_mode[1] = pi1_left_pred_mode[0]; |
1531 | 1.26k | } |
1532 | 3.37k | } |
1533 | 5.34k | pi1_left_pred_mode += (u1_topmb) ? 0 : 4; |
1534 | 5.34k | } |
1535 | 28.8k | else |
1536 | 28.8k | { |
1537 | 28.8k | pi1_left_pred_mode += (u1_topmb) ? 0 : 4; |
1538 | | |
1539 | 28.8k | if(u1_left_available) |
1540 | 28.0k | { |
1541 | 28.0k | if(ps_left_mb->u1_mb_type != I_4x4_MB) |
1542 | 4.07k | { |
1543 | 4.07k | *(WORD32*)pi1_left_pred_mode = |
1544 | 4.07k | (u2_use_left_mb_pack) ? |
1545 | 1.14k | DC_DC_DC_DC : |
1546 | 4.07k | NOT_VALID; |
1547 | 4.07k | } |
1548 | 28.0k | } |
1549 | 829 | else |
1550 | 829 | { |
1551 | 829 | *(WORD32*)pi1_left_pred_mode = NOT_VALID; |
1552 | 829 | } |
1553 | 28.8k | } |
1554 | 34.2k | } |
1555 | | |
1556 | | /* One time pointer initialisations*/ |
1557 | 102k | pi2_y_coeff1 = pi2_y_coeff; |
1558 | | |
1559 | 102k | if(u1_use_top_left_mb) |
1560 | 57.6k | { |
1561 | 57.6k | pu1_top_left = pu1_ytop_left; |
1562 | 57.6k | } |
1563 | 45.1k | else |
1564 | 45.1k | { |
1565 | 45.1k | pu1_top_left = NULL; |
1566 | 45.1k | } |
1567 | | |
1568 | | /* Scan the sub-blocks in Raster Scan Order */ |
1569 | 513k | for(u4_sub_mb_num = 0; u4_sub_mb_num < 4; u4_sub_mb_num++) |
1570 | 410k | { |
1571 | 410k | u1_sub_blk_x = (u4_sub_mb_num & 0x1); |
1572 | 410k | u1_sub_blk_y = (u4_sub_mb_num >> 1); |
1573 | 410k | i1_top_pred_mode = pi1_cur_pred_mode[u1_sub_blk_x << 1]; |
1574 | 410k | i1_left_pred_mode = pi1_left_pred_mode[u1_sub_blk_y << 1]; |
1575 | | |
1576 | 410k | if(2 == u4_sub_mb_num) |
1577 | 102k | { |
1578 | 102k | i1_left_pred_mode = pi1_left_pred_mode[(u1_sub_blk_y << 1) |
1579 | 102k | + u4_4x4_left_offset]; |
1580 | 102k | } |
1581 | | |
1582 | 410k | u1_use_top_right_mb = (!!CHECKBIT(ui2_top_rt_mask, u4_sub_mb_num)); |
1583 | | |
1584 | | /*********** left subblock availability**********/ |
1585 | 410k | if(u1_sub_blk_x) |
1586 | 205k | { |
1587 | 205k | u1_is_left_sub_block = 1; |
1588 | 205k | } |
1589 | 205k | else |
1590 | 205k | { |
1591 | 205k | u1_is_left_sub_block = |
1592 | 205k | (u1_sub_blk_y < 1) ? |
1593 | 102k | (CHECKBIT(u2_use_left_mb_pack, |
1594 | 102k | 0)) : |
1595 | 205k | (u2_use_left_mb_pack >> 8); |
1596 | 205k | } |
1597 | | |
1598 | | /***************** Top *********************/ |
1599 | 410k | if(u1_sub_blk_y) |
1600 | 205k | { |
1601 | 205k | u1_is_top_sub_block = 1; |
1602 | | // sushant |
1603 | 205k | pu1_top = /*pu1_luma_pred_buffer*/pu1_luma_rec_buffer - ui_rec_width; |
1604 | 205k | } |
1605 | 205k | else |
1606 | 205k | { |
1607 | 205k | pu1_top += 8; |
1608 | 205k | } |
1609 | | |
1610 | | /***************** Left *********************/ |
1611 | 410k | if((u1_sub_blk_x) | (u4_num_pmbair != 0)) |
1612 | 371k | { |
1613 | | // sushant |
1614 | 371k | pu1_left = /*pu1_luma_pred_buffer*/pu1_luma_rec_buffer - 1; |
1615 | 371k | ui2_left_pred_buf_width = ui_rec_width; |
1616 | 371k | } |
1617 | 39.8k | else |
1618 | 39.8k | { |
1619 | 39.8k | pu1_left = pu1_yleft; |
1620 | 39.8k | pu1_yleft += (ui_rec_width << 3); |
1621 | 39.8k | ui2_left_pred_buf_width = ui_rec_width; |
1622 | 39.8k | } |
1623 | | |
1624 | | /***************** Top Left *********************/ |
1625 | 410k | if(u4_sub_mb_num) |
1626 | 308k | { |
1627 | 308k | pu1_top_left = (u1_sub_blk_x) ? |
1628 | 205k | pu1_top - 1 : pu1_left - ui_rec_width; |
1629 | | |
1630 | 308k | if((u1_sub_blk_x && (!u1_is_top_sub_block)) |
1631 | 276k | || ((!u1_sub_blk_x) && (!u1_is_left_sub_block))) |
1632 | 57.8k | { |
1633 | 57.8k | pu1_top_left = NULL; |
1634 | 57.8k | } |
1635 | 308k | } |
1636 | | |
1637 | | /*---------------------------------------------------------------*/ |
1638 | | /* Calculation of Intra prediction mode */ |
1639 | | /*---------------------------------------------------------------*/ |
1640 | 410k | i1_intra_pred = ((i1_left_pred_mode < 0) | (i1_top_pred_mode < 0)) ? |
1641 | 303k | DC : MIN(i1_left_pred_mode, i1_top_pred_mode); |
1642 | 410k | { |
1643 | 410k | UWORD8 u1_packed_modes = (u1_is_top_sub_block << 1) |
1644 | 410k | + u1_is_left_sub_block; |
1645 | 410k | UWORD8 *pu1_intra_err_codes = |
1646 | 410k | (UWORD8 *)gau1_ih264d_intra_pred_err_code; |
1647 | | |
1648 | | /********************************************************************/ |
1649 | | /* Same intra4x4_pred_mode array is filled with intra4x4_pred_mode */ |
1650 | | /* for a MB with 8x8 intrapredicition */ |
1651 | | /********************************************************************/ |
1652 | 410k | PROFILE_DISABLE_INTRA_PRED() |
1653 | 410k | if(!pu1_prev_intra4x4_pred_mode_flag[u4_sub_mb_num]) |
1654 | 121k | { |
1655 | 121k | i1_intra_pred = pu1_rem_intra4x4_pred_mode[u4_sub_mb_num] |
1656 | 121k | + (pu1_rem_intra4x4_pred_mode[u4_sub_mb_num] |
1657 | 121k | >= i1_intra_pred); |
1658 | 121k | } |
1659 | 410k | i1_intra_pred = CLIP3(0, 8, i1_intra_pred); |
1660 | 410k | { |
1661 | 410k | UWORD8 u1_err_code = pu1_intra_err_codes[i1_intra_pred]; |
1662 | | |
1663 | 410k | if((u1_err_code & u1_packed_modes) ^ u1_err_code) |
1664 | 13.3k | { |
1665 | 13.3k | i1_intra_pred = 0; |
1666 | 13.3k | ps_dec->i4_error_code = ERROR_INTRAPRED; |
1667 | 13.3k | } |
1668 | 410k | } |
1669 | 410k | } |
1670 | | |
1671 | 410k | { |
1672 | | /* Align the size to multiple of 8, so that SIMD functions |
1673 | | can read 64 bits at a time. Only 25 bytes are actaully used */ |
1674 | 410k | UWORD8 au1_ngbr_pels[32] = {0}; |
1675 | 410k | WORD32 ngbr_avail; |
1676 | 410k | ngbr_avail = u1_is_left_sub_block << 0; |
1677 | 410k | ngbr_avail |= u1_is_top_sub_block << 2; |
1678 | | |
1679 | 410k | if(pu1_top_left) |
1680 | 307k | ngbr_avail |= 1 << 1; |
1681 | | |
1682 | 410k | ngbr_avail |= u1_use_top_right_mb << 3; |
1683 | 410k | PROFILE_DISABLE_INTRA_PRED() |
1684 | 410k | { |
1685 | 410k | ps_dec->pf_intra_pred_ref_filtering(pu1_left, pu1_top_left, |
1686 | 410k | pu1_top, au1_ngbr_pels, |
1687 | 410k | ui2_left_pred_buf_width, |
1688 | 410k | ngbr_avail); |
1689 | | |
1690 | 410k | ps_dec->apf_intra_pred_luma_8x8[i1_intra_pred]( |
1691 | 410k | au1_ngbr_pels, pu1_luma_rec_buffer, 1, |
1692 | 410k | ui_rec_width, |
1693 | 410k | ((u1_is_top_sub_block << 2) | u1_is_left_sub_block)); |
1694 | 410k | } |
1695 | 410k | } |
1696 | | |
1697 | | /* Inverse Transform and Reconstruction */ |
1698 | 410k | if(CHECKBIT(ps_cur_mb_info->u1_cbp, u4_sub_mb_num)) |
1699 | 189k | { |
1700 | 189k | WORD16 *pi2_scale_matrix_ptr; |
1701 | 189k | WORD16 ai2_tmp[64]; |
1702 | | |
1703 | 189k | pi2_scale_matrix_ptr = |
1704 | 189k | ps_dec->s_high_profile.i2_scalinglist8x8[0]; |
1705 | 189k | PROFILE_DISABLE_IQ_IT_RECON() |
1706 | 189k | { |
1707 | 189k | if(CHECKBIT(u4_luma_dc_only_cbp, u4_sub_mb_num)) |
1708 | 31.9k | { |
1709 | 31.9k | ps_dec->pf_iquant_itrans_recon_luma_8x8_dc( |
1710 | 31.9k | pi2_y_coeff1, |
1711 | 31.9k | pu1_luma_rec_buffer, |
1712 | 31.9k | pu1_luma_rec_buffer, |
1713 | 31.9k | ui_rec_width, |
1714 | 31.9k | ui_rec_width, |
1715 | 31.9k | gau1_ih264d_dequant8x8_cavlc[ps_cur_mb_info->u1_qp_rem6], |
1716 | 31.9k | (UWORD16 *)pi2_scale_matrix_ptr, |
1717 | 31.9k | ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, |
1718 | 31.9k | NULL); |
1719 | 31.9k | } |
1720 | 158k | else |
1721 | 158k | { |
1722 | 158k | ps_dec->pf_iquant_itrans_recon_luma_8x8( |
1723 | 158k | pi2_y_coeff1, |
1724 | 158k | pu1_luma_rec_buffer, |
1725 | 158k | pu1_luma_rec_buffer, |
1726 | 158k | ui_rec_width, |
1727 | 158k | ui_rec_width, |
1728 | 158k | gau1_ih264d_dequant8x8_cavlc[ps_cur_mb_info->u1_qp_rem6], |
1729 | 158k | (UWORD16 *)pi2_scale_matrix_ptr, |
1730 | 158k | ps_cur_mb_info->u1_qp_div6, ai2_tmp, 0, |
1731 | 158k | NULL); |
1732 | 158k | } |
1733 | 189k | } |
1734 | | |
1735 | 189k | } |
1736 | | |
1737 | | /*---------------------------------------------------------------*/ |
1738 | | /* Update sub block number */ |
1739 | | /*---------------------------------------------------------------*/ |
1740 | 410k | pi2_y_coeff1 += 64; |
1741 | | |
1742 | 410k | pu1_luma_rec_buffer += |
1743 | 410k | (u1_sub_blk_x == 1) ? |
1744 | 205k | (ui_rec_width << 3) - (8 * 1) : 8; |
1745 | | |
1746 | | /*---------------------------------------------------------------*/ |
1747 | | /* Pred mode filled in terms of 4x4 block so replicated in 2 */ |
1748 | | /* locations. */ |
1749 | | /*---------------------------------------------------------------*/ |
1750 | 410k | pi1_cur_pred_mode[u1_sub_blk_x << 1] = i1_intra_pred; |
1751 | 410k | pi1_cur_pred_mode[(u1_sub_blk_x << 1) + 1] = i1_intra_pred; |
1752 | 410k | pi1_left_pred_mode[u1_sub_blk_y << 1] = i1_intra_pred; |
1753 | 410k | pi1_left_pred_mode[(u1_sub_blk_y << 1) + 1] = i1_intra_pred; |
1754 | 410k | } |
1755 | 102k | } |
1756 | | /* Decode Chroma Block */ |
1757 | 1.58M | ih264d_unpack_chroma_coeff4x4_mb(ps_dec, |
1758 | 1.58M | ps_cur_mb_info); |
1759 | | /*--------------------------------------------------------------------*/ |
1760 | | /* Chroma Blocks decoding */ |
1761 | | /*--------------------------------------------------------------------*/ |
1762 | 1.58M | { |
1763 | 1.58M | UWORD8 u1_intra_chrom_pred_mode; |
1764 | 1.58M | UWORD8 u1_chroma_cbp = (UWORD8)(ps_cur_mb_info->u1_cbp >> 4); |
1765 | | |
1766 | | /*--------------------------------------------------------------------*/ |
1767 | | /* Perform Chroma intra prediction */ |
1768 | | /*--------------------------------------------------------------------*/ |
1769 | | |
1770 | 1.58M | u1_intra_chrom_pred_mode = CHROMA_TO_LUMA_INTRA_MODE( |
1771 | 1.58M | ps_cur_mb_info->u1_chroma_pred_mode); |
1772 | | |
1773 | 1.58M | { |
1774 | 1.58M | UWORD8 u1_packed_modes = (u1_top_available << 1) |
1775 | 1.58M | + u1_left_available; |
1776 | 1.58M | UWORD8 u1_err_code = |
1777 | 1.58M | (u1_intra_chrom_pred_mode & 1) ? |
1778 | 639k | u1_intra_chrom_pred_mode : |
1779 | 1.58M | (u1_intra_chrom_pred_mode ^ 2); |
1780 | 1.58M | if((u1_err_code & u1_packed_modes) ^ u1_err_code) |
1781 | 32.4k | { |
1782 | 32.4k | u1_intra_chrom_pred_mode = 0; |
1783 | 32.4k | ps_dec->i4_error_code = ERROR_INTRAPRED; |
1784 | 32.4k | } |
1785 | 1.58M | } |
1786 | | |
1787 | | /* CHANGED CODE */ |
1788 | 1.58M | if(u1_chroma_cbp != CBPC_ALLZERO) |
1789 | 139k | { |
1790 | 139k | UWORD16 u2_chroma_csbp = |
1791 | 139k | (u1_chroma_cbp == CBPC_ACZERO) ? |
1792 | 85.4k | 0 : ps_cur_mb_info->u2_chroma_csbp; |
1793 | 139k | UWORD32 u4_scale_u; |
1794 | 139k | UWORD32 u4_scale_v; |
1795 | | |
1796 | 139k | { |
1797 | 139k | UWORD16 au2_ngbr_pels[33]; |
1798 | 139k | UWORD8 *pu1_ngbr_pels = (UWORD8 *)au2_ngbr_pels; |
1799 | 139k | UWORD16 *pu2_left_uv; |
1800 | 139k | UWORD16 *pu2_topleft_uv; |
1801 | 139k | WORD32 use_left1 = (u2_use_left_mb_pack & 0x0ff); |
1802 | 139k | WORD32 use_left2 = (u2_use_left_mb_pack & 0xff00) >> 8; |
1803 | | |
1804 | 139k | pu2_left_uv = (UWORD16 *)pu1_uleft; |
1805 | 139k | pu2_topleft_uv = (UWORD16 *)pu1_u_top_left; |
1806 | | /* Get neighbour pixels */ |
1807 | | /* left pels */ |
1808 | 139k | if(u2_use_left_mb_pack) |
1809 | 98.2k | { |
1810 | 98.2k | WORD32 i; |
1811 | 98.2k | if(use_left1) |
1812 | 97.8k | { |
1813 | 489k | for(i = 0; i < 4; i++) |
1814 | 391k | au2_ngbr_pels[8 - 1 - i] = pu2_left_uv[i |
1815 | 391k | * u4_recwidth_cr / YUV420SP_FACTOR]; |
1816 | 97.8k | } |
1817 | 335 | else |
1818 | 335 | { |
1819 | 335 | memset(au2_ngbr_pels + 4, 0, 4 * sizeof(UWORD16)); |
1820 | 335 | } |
1821 | | |
1822 | 98.2k | if(use_left2) |
1823 | 97.8k | { |
1824 | 489k | for(i = 4; i < 8; i++) |
1825 | 391k | au2_ngbr_pels[8 - 1 - i] = pu2_left_uv[i |
1826 | 391k | * u4_recwidth_cr / YUV420SP_FACTOR]; |
1827 | 97.8k | } |
1828 | 324 | else |
1829 | 324 | { |
1830 | 324 | memset(au2_ngbr_pels, 0, 4 * sizeof(UWORD16)); |
1831 | 324 | } |
1832 | 98.2k | } |
1833 | 41.5k | else |
1834 | 41.5k | { |
1835 | 41.5k | memset(au2_ngbr_pels, 0, 8 * sizeof(UWORD16)); |
1836 | 41.5k | } |
1837 | | |
1838 | | /* top left pels */ |
1839 | 139k | au2_ngbr_pels[8] = *pu2_topleft_uv; |
1840 | | |
1841 | | /* top pels */ |
1842 | 139k | if(uc_useTopMB) |
1843 | 97.6k | { |
1844 | 97.6k | memcpy(au2_ngbr_pels + 8 + 1, pu1_top_u, |
1845 | 97.6k | 8 * sizeof(UWORD16)); |
1846 | 97.6k | } |
1847 | 42.1k | else |
1848 | 42.1k | { |
1849 | 42.1k | memset(au2_ngbr_pels + 8 + 1, 0, 8 * sizeof(UWORD16)); |
1850 | 42.1k | } |
1851 | | |
1852 | 139k | PROFILE_DISABLE_INTRA_PRED() |
1853 | 139k | ps_dec->apf_intra_pred_chroma[u1_intra_chrom_pred_mode]( |
1854 | 139k | pu1_ngbr_pels, |
1855 | 139k | pu1_mb_cb_rei1_buffer, |
1856 | 139k | 1, |
1857 | 139k | u4_recwidth_cr, |
1858 | 139k | ((uc_useTopMB << 2) | (use_left2 << 4) |
1859 | 139k | | use_left1)); |
1860 | 139k | } |
1861 | 139k | u4_scale_u = ps_cur_mb_info->u1_qpc_div6; |
1862 | 139k | u4_scale_v = ps_cur_mb_info->u1_qpcr_div6; |
1863 | 139k | pi2_y_coeff = ps_dec->pi2_coeff_data; |
1864 | | |
1865 | 139k | { |
1866 | 139k | UWORD32 i; |
1867 | 139k | WORD16 ai2_tmp[16]; |
1868 | 699k | for(i = 0; i < 4; i++) |
1869 | 559k | { |
1870 | 559k | WORD16 *pi2_level = pi2_y_coeff + (i << 4); |
1871 | 559k | UWORD8 *pu1_pred_sblk = pu1_mb_cb_rei1_buffer |
1872 | 559k | + ((i & 0x1) * BLK_SIZE * YUV420SP_FACTOR) |
1873 | 559k | + (i >> 1) * (u4_recwidth_cr << 2); |
1874 | 559k | PROFILE_DISABLE_IQ_IT_RECON() |
1875 | 559k | { |
1876 | 559k | if(CHECKBIT(u2_chroma_csbp, i)) |
1877 | 73.7k | { |
1878 | 73.7k | ps_dec->pf_iquant_itrans_recon_chroma_4x4( |
1879 | 73.7k | pi2_level, |
1880 | 73.7k | pu1_pred_sblk, |
1881 | 73.7k | pu1_pred_sblk, |
1882 | 73.7k | u4_recwidth_cr, |
1883 | 73.7k | u4_recwidth_cr, |
1884 | 73.7k | gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpc_rem6], |
1885 | 73.7k | (UWORD16 *)ps_dec->s_high_profile.i2_scalinglist4x4[1], |
1886 | 73.7k | u4_scale_u, ai2_tmp, pi2_level); |
1887 | 73.7k | } |
1888 | 485k | else if(pi2_level[0] != 0) |
1889 | 325k | { |
1890 | 325k | ps_dec->pf_iquant_itrans_recon_chroma_4x4_dc( |
1891 | 325k | pi2_level, |
1892 | 325k | pu1_pred_sblk, |
1893 | 325k | pu1_pred_sblk, |
1894 | 325k | u4_recwidth_cr, |
1895 | 325k | u4_recwidth_cr, |
1896 | 325k | gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpc_rem6], |
1897 | 325k | (UWORD16 *)ps_dec->s_high_profile.i2_scalinglist4x4[1], |
1898 | 325k | u4_scale_u, ai2_tmp, pi2_level); |
1899 | 325k | } |
1900 | 559k | } |
1901 | | |
1902 | 559k | } |
1903 | 139k | } |
1904 | | |
1905 | 139k | pi2_y_coeff += MB_CHROM_SIZE; |
1906 | 139k | u2_chroma_csbp = u2_chroma_csbp >> 4; |
1907 | 139k | { |
1908 | 139k | UWORD32 i; |
1909 | 139k | WORD16 ai2_tmp[16]; |
1910 | 699k | for(i = 0; i < 4; i++) |
1911 | 559k | { |
1912 | 559k | WORD16 *pi2_level = pi2_y_coeff + (i << 4); |
1913 | 559k | UWORD8 *pu1_pred_sblk = pu1_mb_cb_rei1_buffer + 1 |
1914 | 559k | + ((i & 0x1) * BLK_SIZE * YUV420SP_FACTOR) |
1915 | 559k | + (i >> 1) * (u4_recwidth_cr << 2); |
1916 | 559k | PROFILE_DISABLE_IQ_IT_RECON() |
1917 | 559k | { |
1918 | 559k | if(CHECKBIT(u2_chroma_csbp, i)) |
1919 | 66.9k | { |
1920 | 66.9k | ps_dec->pf_iquant_itrans_recon_chroma_4x4( |
1921 | 66.9k | pi2_level, |
1922 | 66.9k | pu1_pred_sblk, |
1923 | 66.9k | pu1_pred_sblk, |
1924 | 66.9k | u4_recwidth_cr, |
1925 | 66.9k | u4_recwidth_cr, |
1926 | 66.9k | gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpcr_rem6], |
1927 | 66.9k | (UWORD16 *)ps_dec->s_high_profile.i2_scalinglist4x4[2], |
1928 | 66.9k | u4_scale_v, ai2_tmp, pi2_level); |
1929 | 66.9k | } |
1930 | 492k | else if(pi2_level[0] != 0) |
1931 | 294k | { |
1932 | 294k | ps_dec->pf_iquant_itrans_recon_chroma_4x4_dc( |
1933 | 294k | pi2_level, |
1934 | 294k | pu1_pred_sblk, |
1935 | 294k | pu1_pred_sblk, |
1936 | 294k | u4_recwidth_cr, |
1937 | 294k | u4_recwidth_cr, |
1938 | 294k | gau2_ih264_iquant_scale_4x4[ps_cur_mb_info->u1_qpcr_rem6], |
1939 | 294k | (UWORD16 *)ps_dec->s_high_profile.i2_scalinglist4x4[2], |
1940 | 294k | u4_scale_v, ai2_tmp, pi2_level); |
1941 | 294k | } |
1942 | 559k | } |
1943 | 559k | } |
1944 | 139k | } |
1945 | | |
1946 | 139k | } |
1947 | 1.44M | else |
1948 | 1.44M | { |
1949 | | /* If no inverse transform is needed, pass recon buffer pointer */ |
1950 | | /* to Intraprediction module instead of pred buffer pointer */ |
1951 | 1.44M | { |
1952 | 1.44M | UWORD16 au2_ngbr_pels[33]; |
1953 | 1.44M | UWORD8 *pu1_ngbr_pels = (UWORD8 *)au2_ngbr_pels; |
1954 | 1.44M | UWORD16 *pu2_left_uv; |
1955 | 1.44M | UWORD16 *pu2_topleft_uv; |
1956 | 1.44M | WORD32 use_left1 = (u2_use_left_mb_pack & 0x0ff); |
1957 | 1.44M | WORD32 use_left2 = (u2_use_left_mb_pack & 0xff00) >> 8; |
1958 | | |
1959 | 1.44M | pu2_topleft_uv = (UWORD16 *)pu1_u_top_left; |
1960 | 1.44M | pu2_left_uv = (UWORD16 *)pu1_uleft; |
1961 | | |
1962 | | /* Get neighbour pixels */ |
1963 | | /* left pels */ |
1964 | 1.44M | if(u2_use_left_mb_pack) |
1965 | 1.34M | { |
1966 | 1.34M | WORD32 i; |
1967 | 1.34M | if(use_left1) |
1968 | 1.34M | { |
1969 | 6.71M | for(i = 0; i < 4; i++) |
1970 | 5.37M | au2_ngbr_pels[8 - 1 - i] = pu2_left_uv[i |
1971 | 5.37M | * u4_recwidth_cr / YUV420SP_FACTOR]; |
1972 | 1.34M | } |
1973 | 539 | else |
1974 | 539 | { |
1975 | 539 | memset(au2_ngbr_pels + 4, 0, 4 * sizeof(UWORD16)); |
1976 | 539 | } |
1977 | | |
1978 | 1.34M | if(use_left2) |
1979 | 1.34M | { |
1980 | 6.71M | for(i = 4; i < 8; i++) |
1981 | 5.37M | au2_ngbr_pels[8 - 1 - i] = pu2_left_uv[i |
1982 | 5.37M | * u4_recwidth_cr / YUV420SP_FACTOR]; |
1983 | 1.34M | } |
1984 | 812 | else |
1985 | 812 | { |
1986 | 812 | memset(au2_ngbr_pels, 0, 4 * sizeof(UWORD16)); |
1987 | 812 | } |
1988 | | |
1989 | 1.34M | } |
1990 | 104k | else |
1991 | 104k | { |
1992 | 104k | memset(au2_ngbr_pels, 0, 8 * sizeof(UWORD16)); |
1993 | 104k | } |
1994 | | |
1995 | | /* top left pels */ |
1996 | 1.44M | au2_ngbr_pels[8] = *pu2_topleft_uv; |
1997 | | |
1998 | | /* top pels */ |
1999 | 1.44M | if(uc_useTopMB) |
2000 | 1.25M | { |
2001 | 1.25M | memcpy(au2_ngbr_pels + 8 + 1, pu1_top_u, |
2002 | 1.25M | 8 * sizeof(UWORD16)); |
2003 | 1.25M | } |
2004 | 195k | else |
2005 | 195k | { |
2006 | 195k | memset(au2_ngbr_pels + 8 + 1, 0, 8 * sizeof(UWORD16)); |
2007 | 195k | } |
2008 | | |
2009 | 1.44M | PROFILE_DISABLE_INTRA_PRED() |
2010 | 1.44M | ps_dec->apf_intra_pred_chroma[u1_intra_chrom_pred_mode]( |
2011 | 1.44M | pu1_ngbr_pels, |
2012 | 1.44M | pu1_mb_cb_rei1_buffer, |
2013 | 1.44M | 1, |
2014 | 1.44M | u4_recwidth_cr, |
2015 | 1.44M | ((uc_useTopMB << 2) | (use_left2 << 4) |
2016 | 1.44M | | use_left1)); |
2017 | 1.44M | } |
2018 | | |
2019 | 1.44M | } |
2020 | | |
2021 | 1.58M | } |
2022 | 1.58M | return OK; |
2023 | 1.58M | } |