/src/libavc/decoder/ih264d_utils.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_utils.c |
23 | | * |
24 | | * \brief |
25 | | * Contains routines that handle of start and end of pic processing |
26 | | * |
27 | | * \date |
28 | | * 19/12/2002 |
29 | | * |
30 | | * \author AI |
31 | | ************************************************************************** |
32 | | */ |
33 | | |
34 | | #include <string.h> |
35 | | #include "ih264_typedefs.h" |
36 | | #include "ithread.h" |
37 | | #include "ih264d_deblocking.h" |
38 | | #include "ih264d_parse_slice.h" |
39 | | #include "ih264d_parse_cavlc.h" |
40 | | #include "ih264d_dpb_manager.h" |
41 | | #include "ih264d_defs.h" |
42 | | #include "ih264d_structs.h" |
43 | | #include "ih264d_mem_request.h" |
44 | | #include "ih264_typedefs.h" |
45 | | #include "ih264_macros.h" |
46 | | #include "ih264_platform_macros.h" |
47 | | #include "ih264d_tables.h" |
48 | | #include "ih264d_debug.h" |
49 | | #include "ih264d_mb_utils.h" |
50 | | #include "ih264d_error_handler.h" |
51 | | #include "ih264d_dpb_manager.h" |
52 | | #include "ih264d_utils.h" |
53 | | #include "ih264d_defs.h" |
54 | | #include "ih264d_tables.h" |
55 | | #include "ih264d_inter_pred.h" |
56 | | #include "ih264d_dpb_manager.h" |
57 | | #include "iv.h" |
58 | | #include "ivd.h" |
59 | | #include "ih264d_format_conv.h" |
60 | | #include "ih264_error.h" |
61 | | #include "ih264_disp_mgr.h" |
62 | | #include "ih264_buf_mgr.h" |
63 | | #include "ih264d_utils.h" |
64 | | |
65 | | /*! |
66 | | ************************************************************************** |
67 | | * \if Function name : ih264d_is_end_of_pic \endif |
68 | | * |
69 | | * \brief |
70 | | * Determines whether current slice is first slice of a new picture as |
71 | | * defined in 7.4.1.2.4 of 14496-10. |
72 | | * |
73 | | * \return |
74 | | * Return 1 if current slice is first slice of a new picture |
75 | | * Otherwise it returns 0 |
76 | | ************************************************************************** |
77 | | */ |
78 | | UWORD8 ih264d_is_end_of_pic(UWORD16 u2_frame_num, |
79 | | UWORD8 u1_nal_ref_idc, |
80 | | pocstruct_t *ps_cur_poc, |
81 | | pocstruct_t *ps_prev_poc, |
82 | | dec_slice_params_t * ps_prev_slice, /*!< Previous slice parameters*/ |
83 | | UWORD8 u1_pic_order_cnt_type, |
84 | | UWORD8 u1_nal_unit_type, |
85 | | UWORD32 u4_idr_pic_id, |
86 | | UWORD8 u1_field_pic_flag, |
87 | | UWORD8 u1_bottom_field_flag) |
88 | 21.7k | { |
89 | 21.7k | WORD8 i1_is_end_of_pic; |
90 | 21.7k | WORD8 a, b, c, d, e, f, g, h; |
91 | | |
92 | 21.7k | a = b = c = d = e = f = g = h = 0; |
93 | 21.7k | a = (ps_prev_slice->u2_frame_num != u2_frame_num); |
94 | 21.7k | b = (ps_prev_slice->u1_field_pic_flag != u1_field_pic_flag); |
95 | 21.7k | if(u1_field_pic_flag && ps_prev_slice->u1_field_pic_flag) |
96 | 3.23k | c = (u1_bottom_field_flag != ps_prev_slice->u1_bottom_field_flag); |
97 | 21.7k | d = |
98 | 21.7k | (u1_nal_ref_idc == 0 && ps_prev_slice->u1_nal_ref_idc != 0) |
99 | 21.7k | || (u1_nal_ref_idc != 0 |
100 | 21.5k | && ps_prev_slice->u1_nal_ref_idc |
101 | 14.9k | == 0); |
102 | 21.7k | if(!a) |
103 | 20.0k | { |
104 | 20.0k | if((u1_pic_order_cnt_type == 0) |
105 | 20.0k | && (ps_prev_slice->u1_pic_order_cnt_type == 0)) |
106 | 11.5k | { |
107 | 11.5k | e = |
108 | 11.5k | ((ps_cur_poc->i4_pic_order_cnt_lsb |
109 | 11.5k | != ps_prev_poc->i4_pic_order_cnt_lsb) |
110 | 11.5k | || (ps_cur_poc->i4_delta_pic_order_cnt_bottom |
111 | 11.2k | != ps_prev_poc->i4_delta_pic_order_cnt_bottom)); |
112 | 11.5k | } |
113 | | |
114 | 20.0k | if((u1_pic_order_cnt_type == 1) |
115 | 20.0k | && (ps_prev_slice->u1_pic_order_cnt_type == 1)) |
116 | 3.42k | { |
117 | 3.42k | f = |
118 | 3.42k | ((ps_cur_poc->i4_delta_pic_order_cnt[0] |
119 | 3.42k | != ps_prev_poc->i4_delta_pic_order_cnt[0]) |
120 | 3.42k | || (ps_cur_poc->i4_delta_pic_order_cnt[1] |
121 | 3.18k | != ps_prev_poc->i4_delta_pic_order_cnt[1])); |
122 | 3.42k | } |
123 | 20.0k | } |
124 | | |
125 | 21.7k | if((u1_nal_unit_type == IDR_SLICE_NAL) |
126 | 21.7k | && (ps_prev_slice->u1_nal_unit_type == IDR_SLICE_NAL)) |
127 | 3.60k | { |
128 | 3.60k | g = (u4_idr_pic_id != ps_prev_slice->u4_idr_pic_id); |
129 | 3.60k | } |
130 | | |
131 | 21.7k | if((u1_nal_unit_type == IDR_SLICE_NAL) |
132 | 21.7k | && (ps_prev_slice->u1_nal_unit_type != IDR_SLICE_NAL)) |
133 | 205 | { |
134 | 205 | h = 1; |
135 | 205 | } |
136 | 21.7k | i1_is_end_of_pic = a + b + c + d + e + f + g + h; |
137 | 21.7k | return (i1_is_end_of_pic); |
138 | 21.7k | } |
139 | | |
140 | | /*! |
141 | | ************************************************************************** |
142 | | * \if Function name : ih264d_decode_pic_order_cnt \endif |
143 | | * |
144 | | * \brief |
145 | | * Calculates picture order count of picture. |
146 | | * |
147 | | * \return |
148 | | * Returns the pic order count of the picture to which current |
149 | | * Slice belongs. |
150 | | * |
151 | | ************************************************************************** |
152 | | */ |
153 | | WORD32 ih264d_decode_pic_order_cnt(UWORD8 u1_is_idr_slice, |
154 | | UWORD32 u2_frame_num, |
155 | | pocstruct_t *ps_prev_poc, |
156 | | pocstruct_t *ps_cur_poc, |
157 | | dec_slice_params_t *ps_cur_slice, /*!< Pointer to current slice Params*/ |
158 | | dec_pic_params_t * ps_pps, |
159 | | UWORD8 u1_nal_ref_idc, |
160 | | UWORD8 u1_bottom_field_flag, |
161 | | UWORD8 u1_field_pic_flag, |
162 | | WORD32 *pi4_poc) |
163 | 257k | { |
164 | 257k | WORD64 i8_pic_msb; |
165 | 257k | WORD32 i4_top_field_order_cnt = 0, i4_bottom_field_order_cnt = 0; |
166 | 257k | dec_seq_params_t *ps_seq = ps_pps->ps_sps; |
167 | 257k | WORD32 i4_prev_frame_num_ofst; |
168 | | |
169 | 257k | switch(ps_seq->u1_pic_order_cnt_type) |
170 | 257k | { |
171 | 40.0k | case 0: |
172 | | /* POC TYPE 0 */ |
173 | 40.0k | if(u1_is_idr_slice) |
174 | 20.8k | { |
175 | 20.8k | ps_cur_poc->i4_pic_order_cnt_msb = 0; |
176 | 20.8k | ps_cur_poc->i4_pic_order_cnt_lsb = 0; |
177 | 20.8k | } |
178 | 40.0k | if(ps_prev_poc->u1_mmco_equalto5) |
179 | 237 | { |
180 | 237 | if(ps_prev_poc->u1_bot_field != 1) |
181 | 172 | { |
182 | 172 | ps_prev_poc->i4_pic_order_cnt_msb = 0; |
183 | 172 | ps_prev_poc->i4_pic_order_cnt_lsb = |
184 | 172 | ps_prev_poc->i4_top_field_order_count; |
185 | 172 | } |
186 | 65 | else |
187 | 65 | { |
188 | 65 | ps_prev_poc->i4_pic_order_cnt_msb = 0; |
189 | 65 | ps_prev_poc->i4_pic_order_cnt_lsb = 0; |
190 | 65 | } |
191 | 237 | } |
192 | | |
193 | 40.0k | if((ps_cur_poc->i4_pic_order_cnt_lsb |
194 | 40.0k | < ps_prev_poc->i4_pic_order_cnt_lsb) |
195 | 40.0k | && ((ps_prev_poc->i4_pic_order_cnt_lsb |
196 | 5.52k | - ps_cur_poc->i4_pic_order_cnt_lsb) |
197 | 5.52k | >= (ps_seq->i4_max_pic_order_cntLsb |
198 | 5.52k | >> 1))) |
199 | 3.17k | { |
200 | 3.17k | i8_pic_msb = (WORD64)ps_prev_poc->i4_pic_order_cnt_msb |
201 | 3.17k | + ps_seq->i4_max_pic_order_cntLsb; |
202 | 3.17k | } |
203 | 36.9k | else if((ps_cur_poc->i4_pic_order_cnt_lsb |
204 | 36.9k | > ps_prev_poc->i4_pic_order_cnt_lsb) |
205 | 36.9k | && ((ps_cur_poc->i4_pic_order_cnt_lsb |
206 | 8.72k | - ps_prev_poc->i4_pic_order_cnt_lsb) |
207 | 8.72k | >= (ps_seq->i4_max_pic_order_cntLsb |
208 | 8.72k | >> 1))) |
209 | 4.73k | { |
210 | 4.73k | i8_pic_msb = (WORD64)ps_prev_poc->i4_pic_order_cnt_msb |
211 | 4.73k | - ps_seq->i4_max_pic_order_cntLsb; |
212 | 4.73k | } |
213 | 32.1k | else |
214 | 32.1k | { |
215 | 32.1k | i8_pic_msb = ps_prev_poc->i4_pic_order_cnt_msb; |
216 | 32.1k | } |
217 | | |
218 | 40.0k | if(!u1_field_pic_flag || !u1_bottom_field_flag) |
219 | 38.6k | { |
220 | 38.6k | WORD64 i8_result = i8_pic_msb + ps_cur_poc->i4_pic_order_cnt_lsb; |
221 | 38.6k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
222 | 0 | { |
223 | 0 | return ERROR_INV_POC; |
224 | 0 | } |
225 | 38.6k | i4_top_field_order_cnt = i8_result; |
226 | 38.6k | } |
227 | | |
228 | 40.0k | if(!u1_field_pic_flag) |
229 | 37.1k | { |
230 | 37.1k | WORD64 i8_result = (WORD64)i4_top_field_order_cnt |
231 | 37.1k | + ps_cur_poc->i4_delta_pic_order_cnt_bottom; |
232 | 37.1k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
233 | 197 | { |
234 | 197 | return ERROR_INV_POC; |
235 | 197 | } |
236 | 36.9k | i4_bottom_field_order_cnt = i8_result; |
237 | 36.9k | } |
238 | 2.94k | else if(u1_bottom_field_flag) |
239 | 1.40k | { |
240 | 1.40k | WORD64 i8_result = i8_pic_msb + ps_cur_poc->i4_pic_order_cnt_lsb; |
241 | 1.40k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
242 | 0 | { |
243 | 0 | return ERROR_INV_POC; |
244 | 0 | } |
245 | 1.40k | i4_bottom_field_order_cnt = i8_result; |
246 | 1.40k | } |
247 | | |
248 | 39.8k | if(IS_OUT_OF_RANGE_S32(i8_pic_msb)) |
249 | 0 | { |
250 | 0 | return ERROR_INV_POC; |
251 | 0 | } |
252 | 39.8k | ps_cur_poc->i4_pic_order_cnt_msb = i8_pic_msb; |
253 | 39.8k | break; |
254 | | |
255 | 118k | case 1: |
256 | 118k | { |
257 | | /* POC TYPE 1 */ |
258 | 118k | UWORD8 i; |
259 | 118k | WORD32 prev_frame_num; |
260 | 118k | WORD32 frame_num_ofst; |
261 | 118k | WORD32 abs_frm_num; |
262 | 118k | WORD32 poc_cycle_cnt, frame_num_in_poc_cycle; |
263 | 118k | WORD64 i8_expected_delta_poc_cycle; |
264 | 118k | WORD32 expected_poc; |
265 | 118k | WORD64 i8_result; |
266 | | |
267 | 118k | prev_frame_num = (WORD32)ps_cur_slice->u2_frame_num; |
268 | 118k | if(!u1_is_idr_slice) |
269 | 109k | { |
270 | 109k | if(ps_cur_slice->u1_mmco_equalto5) |
271 | 2.89k | { |
272 | 2.89k | prev_frame_num = 0; |
273 | 2.89k | i4_prev_frame_num_ofst = 0; |
274 | 2.89k | } |
275 | 106k | else |
276 | 106k | { |
277 | 106k | i4_prev_frame_num_ofst = ps_prev_poc->i4_prev_frame_num_ofst; |
278 | 106k | } |
279 | 109k | } |
280 | 8.93k | else |
281 | 8.93k | i4_prev_frame_num_ofst = 0; |
282 | | |
283 | | /* 1. Derivation for FrameNumOffset */ |
284 | 118k | if(u1_is_idr_slice) |
285 | 8.93k | { |
286 | 8.93k | frame_num_ofst = 0; |
287 | 8.93k | ps_cur_poc->i4_delta_pic_order_cnt[0] = 0; |
288 | 8.93k | ps_cur_poc->i4_delta_pic_order_cnt[1] = 0; |
289 | 8.93k | } |
290 | 109k | else if(prev_frame_num > ((WORD32)u2_frame_num)) |
291 | 8.95k | { |
292 | 8.95k | WORD64 i8_result = i4_prev_frame_num_ofst |
293 | 8.95k | + (WORD64)ps_seq->u2_u4_max_pic_num_minus1 + 1; |
294 | 8.95k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
295 | 0 | { |
296 | 0 | return ERROR_INV_FRAME_NUM; |
297 | 0 | } |
298 | 8.95k | frame_num_ofst = i8_result; |
299 | 8.95k | } |
300 | 100k | else |
301 | 100k | frame_num_ofst = i4_prev_frame_num_ofst; |
302 | | |
303 | | /* 2. Derivation for absFrameNum */ |
304 | 118k | if(0 != ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle) |
305 | 30.3k | { |
306 | 30.3k | WORD64 i8_result = frame_num_ofst + (WORD64)u2_frame_num; |
307 | 30.3k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
308 | 0 | { |
309 | 0 | return ERROR_INV_FRAME_NUM; |
310 | 0 | } |
311 | 30.3k | abs_frm_num = i8_result; |
312 | 30.3k | } |
313 | 87.8k | else |
314 | 87.8k | abs_frm_num = 0; |
315 | 118k | if((u1_nal_ref_idc == 0) && (abs_frm_num > 0)) |
316 | 3.33k | abs_frm_num = abs_frm_num - 1; |
317 | | |
318 | | /* 4. expectedDeltaPerPicOrderCntCycle is derived as */ |
319 | 118k | i8_expected_delta_poc_cycle = 0; |
320 | 978k | for(i = 0; i < ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle; |
321 | 860k | i++) |
322 | 860k | { |
323 | 860k | i8_expected_delta_poc_cycle += |
324 | 860k | ps_seq->i4_ofst_for_ref_frame[i]; |
325 | 860k | } |
326 | | |
327 | | /* 3. When absFrameNum > 0, picOrderCntCycleCnt and |
328 | | frame_num_in_poc_cycle are derived as : */ |
329 | | /* 5. expectedPicOrderCnt is derived as : */ |
330 | 118k | if(abs_frm_num > 0) |
331 | 29.1k | { |
332 | 29.1k | poc_cycle_cnt = |
333 | 29.1k | DIV((abs_frm_num - 1), |
334 | 29.1k | ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle); |
335 | 29.1k | frame_num_in_poc_cycle = |
336 | 29.1k | MOD((abs_frm_num - 1), |
337 | 29.1k | ps_seq->u1_num_ref_frames_in_pic_order_cnt_cycle); |
338 | | |
339 | 29.1k | i8_result = poc_cycle_cnt |
340 | 29.1k | * i8_expected_delta_poc_cycle; |
341 | | |
342 | 209k | for(i = 0; i <= frame_num_in_poc_cycle; i++) |
343 | 180k | { |
344 | 180k | i8_result = i8_result |
345 | 180k | + ps_seq->i4_ofst_for_ref_frame[i]; |
346 | 180k | } |
347 | | |
348 | 29.1k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
349 | 591 | return ERROR_INV_POC; |
350 | | |
351 | 28.5k | expected_poc = (WORD32)i8_result; |
352 | | |
353 | 28.5k | } |
354 | 89.0k | else |
355 | 89.0k | expected_poc = 0; |
356 | | |
357 | 117k | if(u1_nal_ref_idc == 0) |
358 | 6.09k | { |
359 | 6.09k | i8_result = (WORD64)expected_poc |
360 | 6.09k | + ps_seq->i4_ofst_for_non_ref_pic; |
361 | | |
362 | 6.09k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
363 | 136 | return ERROR_INV_POC; |
364 | | |
365 | 5.95k | expected_poc = (WORD32)i8_result; |
366 | 5.95k | } |
367 | | |
368 | | /* 6. TopFieldOrderCnt or BottomFieldOrderCnt are derived as */ |
369 | 117k | if(!u1_field_pic_flag) |
370 | 115k | { |
371 | 115k | i8_result = (WORD64)expected_poc |
372 | 115k | + ps_cur_poc->i4_delta_pic_order_cnt[0]; |
373 | | |
374 | 115k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
375 | 434 | return ERROR_INV_POC; |
376 | 114k | i4_top_field_order_cnt = (WORD32)i8_result; |
377 | | |
378 | 114k | i8_result = (WORD64)i4_top_field_order_cnt |
379 | 114k | + ps_seq->i4_ofst_for_top_to_bottom_field |
380 | 114k | + ps_cur_poc->i4_delta_pic_order_cnt[1]; |
381 | | |
382 | 114k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
383 | 146 | return ERROR_INV_POC; |
384 | 114k | i4_bottom_field_order_cnt = (WORD32)i8_result; |
385 | 114k | } |
386 | 2.32k | else if(!u1_bottom_field_flag) |
387 | 1.43k | { |
388 | 1.43k | i8_result = (WORD64)expected_poc |
389 | 1.43k | + ps_cur_poc->i4_delta_pic_order_cnt[0]; |
390 | | |
391 | 1.43k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
392 | 523 | return ERROR_INV_POC; |
393 | 910 | i4_top_field_order_cnt = (WORD32)i8_result; |
394 | 910 | } |
395 | 889 | else |
396 | 889 | { |
397 | 889 | i8_result = (WORD64)expected_poc |
398 | 889 | + ps_seq->i4_ofst_for_top_to_bottom_field |
399 | 889 | + ps_cur_poc->i4_delta_pic_order_cnt[0]; |
400 | | |
401 | 889 | if(IS_OUT_OF_RANGE_S32(i8_result)) |
402 | 32 | return ERROR_INV_POC; |
403 | 857 | i4_bottom_field_order_cnt = (WORD32)i8_result; |
404 | 857 | } |
405 | | /* Copy the current POC info into Previous POC structure */ |
406 | 116k | ps_cur_poc->i4_prev_frame_num_ofst = frame_num_ofst; |
407 | 116k | } |
408 | | |
409 | 0 | break; |
410 | 99.4k | case 2: |
411 | 99.4k | { |
412 | | /* POC TYPE 2 */ |
413 | 99.4k | WORD32 prev_frame_num; |
414 | 99.4k | WORD32 frame_num_ofst; |
415 | 99.4k | WORD32 tmp_poc; |
416 | | |
417 | 99.4k | prev_frame_num = (WORD32)ps_cur_slice->u2_frame_num; |
418 | 99.4k | if(!u1_is_idr_slice) |
419 | 82.6k | { |
420 | 82.6k | if(ps_cur_slice->u1_mmco_equalto5) |
421 | 910 | { |
422 | 910 | prev_frame_num = 0; |
423 | 910 | i4_prev_frame_num_ofst = 0; |
424 | 910 | } |
425 | 81.7k | else |
426 | 81.7k | i4_prev_frame_num_ofst = ps_prev_poc->i4_prev_frame_num_ofst; |
427 | 82.6k | } |
428 | 16.8k | else |
429 | 16.8k | i4_prev_frame_num_ofst = 0; |
430 | | |
431 | | /* 1. Derivation for FrameNumOffset */ |
432 | 99.4k | if(u1_is_idr_slice) |
433 | 16.8k | { |
434 | 16.8k | frame_num_ofst = 0; |
435 | 16.8k | ps_cur_poc->i4_delta_pic_order_cnt[0] = 0; |
436 | 16.8k | ps_cur_poc->i4_delta_pic_order_cnt[1] = 0; |
437 | 16.8k | } |
438 | 82.6k | else if(prev_frame_num > ((WORD32)u2_frame_num)) |
439 | 6.01k | { |
440 | 6.01k | WORD64 i8_result = i4_prev_frame_num_ofst |
441 | 6.01k | + (WORD64)ps_seq->u2_u4_max_pic_num_minus1 + 1; |
442 | 6.01k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
443 | 0 | { |
444 | 0 | return ERROR_INV_FRAME_NUM; |
445 | 0 | } |
446 | 6.01k | frame_num_ofst = i8_result; |
447 | 6.01k | } |
448 | 76.6k | else |
449 | 76.6k | frame_num_ofst = i4_prev_frame_num_ofst; |
450 | | |
451 | | /* 2. Derivation for tempPicOrderCnt */ |
452 | 99.4k | if(u1_is_idr_slice) |
453 | 16.8k | tmp_poc = 0; |
454 | 82.6k | else if(u1_nal_ref_idc == 0) |
455 | 14.5k | { |
456 | 14.5k | WORD64 i8_result = ((frame_num_ofst + (WORD64)u2_frame_num) << 1) - 1; |
457 | 14.5k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
458 | 0 | { |
459 | 0 | return ERROR_INV_POC; |
460 | 0 | } |
461 | 14.5k | tmp_poc = i8_result; |
462 | 14.5k | } |
463 | 68.1k | else |
464 | 68.1k | { |
465 | 68.1k | WORD64 i8_result = (frame_num_ofst + (WORD64)u2_frame_num) << 1; |
466 | 68.1k | if(IS_OUT_OF_RANGE_S32(i8_result)) |
467 | 0 | { |
468 | 0 | return ERROR_INV_POC; |
469 | 0 | } |
470 | 68.1k | tmp_poc = i8_result; |
471 | 68.1k | } |
472 | | |
473 | | /* 6. TopFieldOrderCnt or BottomFieldOrderCnt are derived as */ |
474 | 99.4k | if(!u1_field_pic_flag) |
475 | 97.6k | { |
476 | 97.6k | i4_top_field_order_cnt = tmp_poc; |
477 | 97.6k | i4_bottom_field_order_cnt = tmp_poc; |
478 | 97.6k | } |
479 | 1.88k | else if(!u1_bottom_field_flag) |
480 | 1.38k | i4_top_field_order_cnt = tmp_poc; |
481 | 493 | else |
482 | 493 | i4_bottom_field_order_cnt = tmp_poc; |
483 | | |
484 | | /* Copy the current POC info into Previous POC structure */ |
485 | 99.4k | ps_prev_poc->i4_prev_frame_num_ofst = frame_num_ofst; |
486 | 99.4k | ps_cur_poc->i4_prev_frame_num_ofst = frame_num_ofst; |
487 | 99.4k | } |
488 | 0 | break; |
489 | 0 | default: |
490 | 0 | return ERROR_INV_POC_TYPE_T; |
491 | 0 | break; |
492 | 257k | } |
493 | | |
494 | 255k | if(!u1_field_pic_flag) // or a complementary field pair |
495 | 249k | { |
496 | 249k | *pi4_poc = MIN(i4_top_field_order_cnt, i4_bottom_field_order_cnt); |
497 | 249k | ps_pps->i4_top_field_order_cnt = i4_top_field_order_cnt; |
498 | 249k | ps_pps->i4_bottom_field_order_cnt = i4_bottom_field_order_cnt; |
499 | 249k | } |
500 | 6.59k | else if(!u1_bottom_field_flag) |
501 | 3.84k | { |
502 | 3.84k | *pi4_poc = i4_top_field_order_cnt; |
503 | 3.84k | ps_pps->i4_top_field_order_cnt = i4_top_field_order_cnt; |
504 | 3.84k | } |
505 | 2.75k | else |
506 | 2.75k | { |
507 | 2.75k | *pi4_poc = i4_bottom_field_order_cnt; |
508 | 2.75k | ps_pps->i4_bottom_field_order_cnt = i4_bottom_field_order_cnt; |
509 | 2.75k | } |
510 | | |
511 | 255k | ps_pps->i4_avg_poc = *pi4_poc; |
512 | | |
513 | 255k | return OK; |
514 | 257k | } |
515 | | |
516 | | /*! |
517 | | ************************************************************************** |
518 | | * \if Function name : ih264d_end_of_pic_processing \endif |
519 | | * |
520 | | * \brief |
521 | | * Performs the end of picture processing. |
522 | | * |
523 | | * It performs deblocking on the current picture and sets the i4_status of |
524 | | * current picture as decoded. |
525 | | * |
526 | | * \return |
527 | | * 0 on Success and Error code otherwise. |
528 | | ************************************************************************** |
529 | | */ |
530 | | WORD32 ih264d_end_of_pic_processing(dec_struct_t *ps_dec) |
531 | 170k | { |
532 | 170k | UWORD8 u1_pic_type, u1_nal_ref_idc; |
533 | 170k | dec_slice_params_t *ps_cur_slice = ps_dec->ps_cur_slice; |
534 | | |
535 | | /* If nal_ref_idc is equal to 0 for one slice or slice data partition NAL |
536 | | unit of a particular picture, it shall be equal to 0 for all slice and |
537 | | slice data partition NAL units of the picture. nal_ref_idc greater |
538 | | than 0 indicates that the content of the NAL unit belongs to a decoded |
539 | | picture that is stored and marked for use as a reference picture in the |
540 | | decoded picture buffer. */ |
541 | | |
542 | | /* 1. Do MMCO |
543 | | 2. Add Cur Pic to list of reference pics. |
544 | | */ |
545 | | |
546 | | /* Call MMCO */ |
547 | 170k | u1_pic_type = 0; |
548 | 170k | u1_nal_ref_idc = ps_cur_slice->u1_nal_ref_idc; |
549 | | |
550 | 170k | if(u1_nal_ref_idc) |
551 | 146k | { |
552 | 146k | if(ps_cur_slice->u1_nal_unit_type == IDR_SLICE_NAL) |
553 | 119k | { |
554 | 119k | ps_dec->ps_dpb_mgr->u1_mmco_error_in_seq = 0; |
555 | 119k | if(ps_dec->ps_dpb_cmds->u1_long_term_reference_flag == 0) |
556 | 103k | { |
557 | 103k | ih264d_reset_ref_bufs(ps_dec->ps_dpb_mgr); |
558 | | /* ignore DPB errors */ |
559 | 103k | ih264d_insert_st_node(ps_dec->ps_dpb_mgr, |
560 | 103k | ps_dec->ps_cur_pic, |
561 | 103k | ps_dec->u1_pic_buf_id, |
562 | 103k | ps_cur_slice->u2_frame_num); |
563 | 103k | ps_dec->ps_dpb_mgr->u1_max_lt_frame_idx = NO_LONG_TERM_INDICIES; |
564 | 103k | } |
565 | 16.5k | else |
566 | 16.5k | { |
567 | | /* Equivalent of inserting a pic directly as longterm Pic */ |
568 | | |
569 | 16.5k | { |
570 | | /* ignore DPB errors */ |
571 | 16.5k | ih264d_insert_st_node(ps_dec->ps_dpb_mgr, |
572 | 16.5k | ps_dec->ps_cur_pic, |
573 | 16.5k | ps_dec->u1_pic_buf_id, |
574 | 16.5k | ps_cur_slice->u2_frame_num); |
575 | | |
576 | | /* Set longTermIdx = 0, MaxLongTermFrameIdx = 0 */ |
577 | 16.5k | ih264d_delete_st_node_or_make_lt( |
578 | 16.5k | ps_dec->ps_dpb_mgr, |
579 | 16.5k | ps_cur_slice->u2_frame_num, 0, |
580 | 16.5k | ps_cur_slice->u1_field_pic_flag); |
581 | | |
582 | 16.5k | ps_dec->ps_dpb_mgr->u1_max_lt_frame_idx = 0; |
583 | 16.5k | } |
584 | 16.5k | } |
585 | 119k | } |
586 | 26.8k | else |
587 | 26.8k | { |
588 | | |
589 | 26.8k | { |
590 | 26.8k | UWORD16 u2_pic_num = ps_cur_slice->u2_frame_num; |
591 | | |
592 | 26.8k | if(!ps_dec->ps_dpb_mgr->u1_mmco_error_in_seq) |
593 | 21.8k | { |
594 | 21.8k | WORD32 ret = ih264d_do_mmco_buffer(ps_dec->ps_dpb_cmds, ps_dec->ps_dpb_mgr, |
595 | 21.8k | ps_dec->ps_cur_sps->u1_num_ref_frames, u2_pic_num, |
596 | 21.8k | (ps_dec->ps_cur_sps->u2_u4_max_pic_num_minus1), |
597 | 21.8k | ps_dec->u1_nal_unit_type, ps_dec->ps_cur_pic, |
598 | 21.8k | ps_dec->u1_pic_buf_id, |
599 | 21.8k | ps_cur_slice->u1_field_pic_flag, |
600 | 21.8k | ps_dec->e_dec_status); |
601 | 21.8k | ps_dec->ps_dpb_mgr->u1_mmco_error_in_seq = ret != OK; |
602 | 21.8k | } |
603 | 26.8k | } |
604 | 26.8k | } |
605 | 146k | ih264d_update_default_index_list(ps_dec->ps_dpb_mgr); |
606 | 146k | } |
607 | | |
608 | 170k | if(ps_cur_slice->u1_field_pic_flag) |
609 | 12.8k | { |
610 | 12.8k | if(ps_cur_slice->u1_bottom_field_flag) |
611 | 5.62k | { |
612 | 5.62k | if(u1_nal_ref_idc) |
613 | 4.51k | u1_pic_type = u1_pic_type | BOT_REF; |
614 | 5.62k | u1_pic_type = u1_pic_type | BOT_FLD; |
615 | 5.62k | } |
616 | 7.22k | else |
617 | 7.22k | { |
618 | 7.22k | if(u1_nal_ref_idc) |
619 | 6.20k | u1_pic_type = u1_pic_type | TOP_REF; |
620 | 7.22k | u1_pic_type = u1_pic_type | TOP_FLD; |
621 | 7.22k | } |
622 | 12.8k | } |
623 | 157k | else |
624 | 157k | u1_pic_type = TOP_REF | BOT_REF; |
625 | 170k | ps_dec->ps_cur_pic->u1_pic_type |= u1_pic_type; |
626 | | |
627 | | |
628 | 170k | if(ps_cur_slice->u1_field_pic_flag) |
629 | 12.8k | { |
630 | 12.8k | H264_DEC_DEBUG_PRINT("Toggling secondField\n"); |
631 | 12.8k | ps_dec->u1_second_field = 1 - ps_dec->u1_second_field; |
632 | 12.8k | } |
633 | | |
634 | 170k | return OK; |
635 | 170k | } |
636 | | |
637 | | /*****************************************************************************/ |
638 | | /* */ |
639 | | /* Function Name : init_dpb_size */ |
640 | | /* */ |
641 | | /* Description : This function calculates the DBP i4_size in frames */ |
642 | | /* Inputs : ps_seq - current sequence params */ |
643 | | /* */ |
644 | | /* Globals : None */ |
645 | | /* */ |
646 | | /* Outputs : None */ |
647 | | /* */ |
648 | | /* Returns : DPB in frames */ |
649 | | /* */ |
650 | | /* Issues : None */ |
651 | | /* */ |
652 | | /* Revision History: */ |
653 | | /* */ |
654 | | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
655 | | /* 28 04 2005 NS Draft */ |
656 | | /* */ |
657 | | /*****************************************************************************/ |
658 | | WORD32 ih264d_get_dpb_size(dec_seq_params_t *ps_seq) |
659 | 203k | { |
660 | 203k | WORD32 i4_size; |
661 | 203k | UWORD8 u1_level_idc; |
662 | | |
663 | 203k | u1_level_idc = ps_seq->u1_level_idc; |
664 | | |
665 | 203k | switch(u1_level_idc) |
666 | 203k | { |
667 | 1.78k | case 10: |
668 | 1.78k | i4_size = 152064; |
669 | 1.78k | break; |
670 | 19.6k | case 11: |
671 | 19.6k | i4_size = 345600; |
672 | 19.6k | break; |
673 | 5.45k | case 12: |
674 | 5.45k | i4_size = 912384; |
675 | 5.45k | break; |
676 | 2.32k | case 13: |
677 | 2.32k | i4_size = 912384; |
678 | 2.32k | break; |
679 | 26.7k | case 20: |
680 | 26.7k | i4_size = 912384; |
681 | 26.7k | break; |
682 | 5.82k | case 21: |
683 | 5.82k | i4_size = 1824768; |
684 | 5.82k | break; |
685 | 9.10k | case 22: |
686 | 9.10k | i4_size = 3110400; |
687 | 9.10k | break; |
688 | 3.71k | case 30: |
689 | 3.71k | i4_size = 3110400; |
690 | 3.71k | break; |
691 | 18.2k | case 31: |
692 | 18.2k | i4_size = 6912000; |
693 | 18.2k | break; |
694 | 30.9k | case 32: |
695 | 30.9k | i4_size = 7864320; |
696 | 30.9k | break; |
697 | 7.63k | case 40: |
698 | 7.63k | i4_size = 12582912; |
699 | 7.63k | break; |
700 | 2.45k | case 41: |
701 | 2.45k | i4_size = 12582912; |
702 | 2.45k | break; |
703 | 7.97k | case 42: |
704 | 7.97k | i4_size = 12582912; |
705 | 7.97k | break; |
706 | 726 | case 50: |
707 | 726 | i4_size = 42393600; |
708 | 726 | break; |
709 | 610 | case 51: |
710 | 610 | i4_size = 70778880; |
711 | 610 | break; |
712 | 1.03k | case 52: |
713 | 1.03k | i4_size = 70778880; |
714 | 1.03k | break; |
715 | 59.5k | default: |
716 | 59.5k | i4_size = 70778880; |
717 | 59.5k | break; |
718 | 203k | } |
719 | | |
720 | 203k | i4_size /= (ps_seq->u2_frm_wd_in_mbs * (ps_seq->u2_frm_ht_in_mbs << (1 - ps_seq->u1_frame_mbs_only_flag))); |
721 | 203k | i4_size /= 384; |
722 | 203k | i4_size = MIN(i4_size, 16); |
723 | 203k | i4_size = MAX(i4_size, 1); |
724 | 203k | return (i4_size); |
725 | 203k | } |
726 | | |
727 | | /**************************************************************************/ |
728 | | /* This function initialises the value of ps_dec->u1_recon_mb_grp */ |
729 | | /* ps_dec->u1_recon_mb_grp must satisfy the following criteria */ |
730 | | /* - multiple of 2 (required for N/2 parse-mvpred design) */ |
731 | | /* - multiple of 4 (if it is not a frame_mbs_only sequence), */ |
732 | | /* in this case N/2 itself needs to be even for mbpair processing */ |
733 | | /* - lesser than ps_dec->u2_frm_wd_in_mbs/2 (at least 3 N-Chunks */ |
734 | | /* should make a row to ensure proper MvTop transferring) */ |
735 | | /**************************************************************************/ |
736 | | WORD32 ih264d_init_dec_mb_grp(dec_struct_t *ps_dec) |
737 | 35.4k | { |
738 | 35.4k | dec_seq_params_t *ps_seq = ps_dec->ps_cur_sps; |
739 | 35.4k | UWORD8 u1_frm = ps_seq->u1_frame_mbs_only_flag; |
740 | | |
741 | 35.4k | ps_dec->u1_recon_mb_grp = ps_dec->u2_frm_wd_in_mbs << ps_seq->u1_mb_aff_flag; |
742 | | |
743 | 35.4k | ps_dec->u1_recon_mb_grp_pair = ps_dec->u1_recon_mb_grp >> 1; |
744 | | |
745 | 35.4k | if(!ps_dec->u1_recon_mb_grp) |
746 | 0 | { |
747 | 0 | return ERROR_MB_GROUP_ASSGN_T; |
748 | 0 | } |
749 | | |
750 | 35.4k | ps_dec->u4_num_mbs_prev_nmb = ps_dec->u1_recon_mb_grp; |
751 | | |
752 | 35.4k | return OK; |
753 | 35.4k | } |
754 | | |
755 | | |
756 | | /*! |
757 | | ************************************************************************** |
758 | | * \if Function name : ih264d_init_pic \endif |
759 | | * |
760 | | * \brief |
761 | | * Initializes the picture. |
762 | | * |
763 | | * \return |
764 | | * 0 on Success and Error code otherwise |
765 | | * |
766 | | * \note |
767 | | * This function is called when first slice of the |
768 | | * NON -IDR picture is encountered. |
769 | | ************************************************************************** |
770 | | */ |
771 | | WORD32 ih264d_init_pic(dec_struct_t *ps_dec, |
772 | | UWORD16 u2_frame_num, |
773 | | WORD32 i4_poc, |
774 | | dec_pic_params_t *ps_pps) |
775 | 41.4k | { |
776 | 41.4k | dec_seq_params_t *ps_seq = ps_pps->ps_sps; |
777 | 41.4k | prev_seq_params_t * ps_prev_seq_params = &ps_dec->s_prev_seq_params; |
778 | 41.4k | WORD32 i4_pic_bufs; |
779 | 41.4k | WORD32 ret; |
780 | | |
781 | 41.4k | ps_dec->ps_cur_slice->u2_frame_num = u2_frame_num; |
782 | 41.4k | ps_dec->ps_cur_slice->i4_poc = i4_poc; |
783 | 41.4k | ps_dec->ps_cur_pps = ps_pps; |
784 | 41.4k | ps_dec->ps_cur_pps->pv_codec_handle = ps_dec; |
785 | | |
786 | 41.4k | ps_dec->ps_cur_sps = ps_seq; |
787 | 41.4k | ps_dec->ps_dpb_mgr->i4_max_frm_num = ps_seq->u2_u4_max_pic_num_minus1 |
788 | 41.4k | + 1; |
789 | | |
790 | 41.4k | ps_dec->ps_dpb_mgr->u2_pic_ht = ps_dec->u2_pic_ht; |
791 | 41.4k | ps_dec->ps_dpb_mgr->u2_pic_wd = ps_dec->u2_pic_wd; |
792 | 41.4k | ps_dec->i4_pic_type = NA_SLICE; |
793 | 41.4k | ps_dec->i4_frametype = IV_NA_FRAME; |
794 | 41.4k | ps_dec->i4_content_type = IV_CONTENTTYPE_NA; |
795 | | |
796 | | /*--------------------------------------------------------------------*/ |
797 | | /* Get the value of MaxMbAddress and frmheight in Mbs */ |
798 | | /*--------------------------------------------------------------------*/ |
799 | 41.4k | ps_seq->u2_max_mb_addr = |
800 | 41.4k | (ps_seq->u2_frm_wd_in_mbs |
801 | 41.4k | * (ps_dec->u2_pic_ht |
802 | 41.4k | >> (4 |
803 | 41.4k | + ps_dec->ps_cur_slice->u1_field_pic_flag))) |
804 | 41.4k | - 1; |
805 | 41.4k | ps_dec->u2_frm_ht_in_mbs = (ps_dec->u2_pic_ht |
806 | 41.4k | >> (4 + ps_dec->ps_cur_slice->u1_field_pic_flag)); |
807 | | |
808 | | /***************************************************************************/ |
809 | | /* If change in Level or the required PicBuffers i4_size is more than the */ |
810 | | /* current one FREE the current PicBuffers and allocate affresh */ |
811 | | /***************************************************************************/ |
812 | 41.4k | if(!ps_dec->u1_init_dec_flag) |
813 | 3.37k | { |
814 | 3.37k | ps_dec->u1_max_dec_frame_buffering = ih264d_get_dpb_size(ps_seq); |
815 | | |
816 | 3.37k | ps_dec->i4_display_delay = ps_dec->u1_max_dec_frame_buffering; |
817 | 3.37k | if((1 == ps_seq->u1_vui_parameters_present_flag) && |
818 | 3.37k | (1 == ps_seq->s_vui.u1_bitstream_restriction_flag)) |
819 | 916 | { |
820 | 916 | if(ps_seq->u1_frame_mbs_only_flag == 1) |
821 | 621 | ps_dec->i4_display_delay = ps_seq->s_vui.u4_num_reorder_frames + 1; |
822 | 295 | else |
823 | 295 | ps_dec->i4_display_delay = ps_seq->s_vui.u4_num_reorder_frames * 2 + 2; |
824 | 916 | } |
825 | | |
826 | 3.37k | if(IVD_DECODE_FRAME_OUT == ps_dec->e_frm_out_mode) |
827 | 0 | ps_dec->i4_display_delay = 0; |
828 | | |
829 | 3.37k | if(ps_dec->u4_share_disp_buf == 0) |
830 | 3.37k | { |
831 | 3.37k | if(ps_seq->u1_frame_mbs_only_flag == 1) |
832 | 1.58k | ps_dec->u1_pic_bufs = ps_dec->i4_display_delay + ps_seq->u1_num_ref_frames + 1; |
833 | 1.78k | else |
834 | 1.78k | ps_dec->u1_pic_bufs = ps_dec->i4_display_delay + ps_seq->u1_num_ref_frames * 2 + 2; |
835 | 3.37k | } |
836 | 0 | else |
837 | 0 | { |
838 | 0 | ps_dec->u1_pic_bufs = (WORD32)ps_dec->u4_num_disp_bufs; |
839 | 0 | } |
840 | | |
841 | | /* Ensure at least two buffers are allocated */ |
842 | 3.37k | ps_dec->u1_pic_bufs = MAX(ps_dec->u1_pic_bufs, 2); |
843 | | |
844 | 3.37k | if(ps_dec->u4_share_disp_buf == 0) |
845 | 3.37k | ps_dec->u1_pic_bufs = MIN(ps_dec->u1_pic_bufs, |
846 | 3.37k | (H264_MAX_REF_PICS * 2)); |
847 | | |
848 | 3.37k | ps_dec->u1_max_dec_frame_buffering = MIN( |
849 | 3.37k | ps_dec->u1_max_dec_frame_buffering, |
850 | 3.37k | ps_dec->u1_pic_bufs); |
851 | | |
852 | | /* Temporary hack to run Tractor Cav/Cab/MbAff Profiler streams also for CAFI1_SVA_C.264 in conformance*/ |
853 | 3.37k | if(ps_dec->u1_init_dec_flag) |
854 | 0 | { |
855 | 0 | ih264d_release_pics_in_dpb((void *)ps_dec, |
856 | 0 | ps_dec->u1_pic_bufs); |
857 | 0 | ih264d_release_display_bufs(ps_dec); |
858 | 0 | ih264d_reset_ref_bufs(ps_dec->ps_dpb_mgr); |
859 | 0 | } |
860 | | |
861 | | /*********************************************************************/ |
862 | | /* Configuring decoder parameters based on level and then */ |
863 | | /* fresh pointer initialisation in decoder scratch and state buffers */ |
864 | | /*********************************************************************/ |
865 | 3.37k | if(!ps_dec->u1_init_dec_flag || |
866 | 3.37k | ((ps_seq->u1_level_idc < H264_LEVEL_3_0) ^ (ps_prev_seq_params->u1_level_idc < H264_LEVEL_3_0))) |
867 | 3.37k | { |
868 | 3.37k | ret = ih264d_init_dec_mb_grp(ps_dec); |
869 | 3.37k | if(ret != OK) |
870 | 0 | return ret; |
871 | 3.37k | } |
872 | | |
873 | 3.37k | ret = ih264d_allocate_dynamic_bufs(ps_dec); |
874 | 3.37k | if(ret != OK) |
875 | 0 | { |
876 | | /* Free any dynamic buffers that are allocated */ |
877 | 0 | ih264d_free_dynamic_bufs(ps_dec); |
878 | 0 | ps_dec->i4_error_code = IVD_MEM_ALLOC_FAILED; |
879 | 0 | return IVD_MEM_ALLOC_FAILED; |
880 | 0 | } |
881 | | |
882 | 3.37k | ret = ih264d_create_pic_buffers(ps_dec->u1_pic_bufs, |
883 | 3.37k | ps_dec); |
884 | 3.37k | if(ret != OK) |
885 | 0 | return ret; |
886 | | |
887 | | |
888 | | |
889 | 3.37k | ret = ih264d_create_mv_bank(ps_dec, ps_dec->u2_pic_wd, |
890 | 3.37k | ps_dec->u2_pic_ht); |
891 | 3.37k | if(ret != OK) |
892 | 0 | return ret; |
893 | | |
894 | | /* In shared mode, set all of them as used by display */ |
895 | 3.37k | if(ps_dec->u4_share_disp_buf == 1) |
896 | 0 | { |
897 | 0 | WORD32 i; |
898 | |
|
899 | 0 | for(i = 0; i < ps_dec->u1_pic_bufs; i++) |
900 | 0 | { |
901 | 0 | ih264_buf_mgr_set_status((buf_mgr_t *)ps_dec->pv_pic_buf_mgr, i, |
902 | 0 | BUF_MGR_IO); |
903 | 0 | } |
904 | 0 | } |
905 | | |
906 | 3.37k | ps_dec->u1_init_dec_flag = 1; |
907 | 3.37k | ps_prev_seq_params->u2_frm_wd_in_mbs = ps_seq->u2_frm_wd_in_mbs; |
908 | 3.37k | ps_prev_seq_params->u1_level_idc = ps_seq->u1_level_idc; |
909 | 3.37k | ps_prev_seq_params->u1_profile_idc = ps_seq->u1_profile_idc; |
910 | 3.37k | ps_prev_seq_params->u2_frm_ht_in_mbs = ps_seq->u2_frm_ht_in_mbs; |
911 | 3.37k | ps_prev_seq_params->u1_frame_mbs_only_flag = |
912 | 3.37k | ps_seq->u1_frame_mbs_only_flag; |
913 | 3.37k | ps_prev_seq_params->u1_direct_8x8_inference_flag = |
914 | 3.37k | ps_seq->u1_direct_8x8_inference_flag; |
915 | | |
916 | 3.37k | ps_dec->i4_cur_display_seq = 0; |
917 | 3.37k | ps_dec->i4_prev_max_display_seq = 0; |
918 | 3.37k | ps_dec->i4_max_poc = 0; |
919 | | |
920 | 3.37k | { |
921 | | /* 0th entry of CtxtIncMbMap will be always be containing default values |
922 | | for CABAC context representing MB not available */ |
923 | 3.37k | ctxt_inc_mb_info_t *p_DefCtxt = ps_dec->p_ctxt_inc_mb_map - 1; |
924 | 3.37k | UWORD8 *pu1_temp; |
925 | 3.37k | WORD8 i; |
926 | 3.37k | p_DefCtxt->u1_mb_type = CAB_SKIP; |
927 | | |
928 | 3.37k | p_DefCtxt->u1_cbp = 0x0f; |
929 | 3.37k | p_DefCtxt->u1_intra_chroma_pred_mode = 0; |
930 | | |
931 | 3.37k | p_DefCtxt->u1_yuv_dc_csbp = 0x7; |
932 | | |
933 | 3.37k | p_DefCtxt->u1_transform8x8_ctxt = 0; |
934 | | |
935 | 3.37k | pu1_temp = (UWORD8*)p_DefCtxt->i1_ref_idx; |
936 | 16.8k | for(i = 0; i < 4; i++, pu1_temp++) |
937 | 13.5k | (*pu1_temp) = 0; |
938 | 3.37k | pu1_temp = (UWORD8*)p_DefCtxt->u1_mv; |
939 | 57.3k | for(i = 0; i < 16; i++, pu1_temp++) |
940 | 54.0k | (*pu1_temp) = 0; |
941 | 3.37k | ps_dec->ps_def_ctxt_mb_info = p_DefCtxt; |
942 | 3.37k | } |
943 | | |
944 | 3.37k | } |
945 | | /* reset DBP commands read u4_flag */ |
946 | 41.4k | ps_dec->ps_dpb_cmds->u1_dpb_commands_read = 0; |
947 | | |
948 | 41.4k | return OK; |
949 | 41.4k | } |
950 | | |
951 | | /*****************************************************************************/ |
952 | | /* */ |
953 | | /* Function Name : ih264d_get_next_display_field */ |
954 | | /* */ |
955 | | /* Description : Application calls this module to get the next field */ |
956 | | /* to be displayed */ |
957 | | /* */ |
958 | | /* Inputs : 1. IBUFAPI_Handle Hnadle to the Display buffer */ |
959 | | /* 2. IH264DEC_DispUnit Pointer to the display struct */ |
960 | | /* */ |
961 | | /* Globals : */ |
962 | | /* */ |
963 | | /* */ |
964 | | /* Processing : None */ |
965 | | /* Outputs : None */ |
966 | | /* Returns : None */ |
967 | | /* Issues : None */ |
968 | | /* */ |
969 | | /* Revision History: */ |
970 | | /* */ |
971 | | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
972 | | /* 27 05 2005 Ittiam Draft */ |
973 | | /* */ |
974 | | /*****************************************************************************/ |
975 | | |
976 | | WORD32 ih264d_get_next_display_field(dec_struct_t * ps_dec, |
977 | | ivd_out_bufdesc_t *ps_out_buffer, |
978 | | ivd_get_display_frame_op_t *pv_disp_op) |
979 | 231k | { |
980 | 231k | pic_buffer_t *pic_buf; |
981 | | |
982 | 231k | UWORD8 i1_cur_fld; |
983 | 231k | WORD32 u4_api_ret = -1; |
984 | 231k | WORD32 i4_disp_buf_id; |
985 | 231k | iv_yuv_buf_t *ps_op_frm; |
986 | | |
987 | | |
988 | | |
989 | 231k | ps_op_frm = &(ps_dec->s_disp_frame_info); |
990 | 231k | H264_MUTEX_LOCK(&ps_dec->process_disp_mutex); |
991 | 231k | pic_buf = (pic_buffer_t *)ih264_disp_mgr_get( |
992 | 231k | (disp_mgr_t *)ps_dec->pv_disp_buf_mgr, &i4_disp_buf_id); |
993 | 231k | ps_dec->u4_num_fld_in_frm = 0; |
994 | 231k | u4_api_ret = -1; |
995 | 231k | pv_disp_op->u4_ts = 0; |
996 | 231k | pv_disp_op->e_output_format = ps_dec->u1_chroma_format; |
997 | | |
998 | 231k | pv_disp_op->s_disp_frm_buf.pv_y_buf = ps_out_buffer->pu1_bufs[0]; |
999 | 231k | pv_disp_op->s_disp_frm_buf.pv_u_buf = ps_out_buffer->pu1_bufs[1]; |
1000 | 231k | pv_disp_op->s_disp_frm_buf.pv_v_buf = ps_out_buffer->pu1_bufs[2]; |
1001 | 231k | ps_dec->i4_display_index = DEFAULT_POC; |
1002 | 231k | if(pic_buf != NULL) |
1003 | 116k | { |
1004 | 116k | ps_dec->pv_disp_sei_params = &pic_buf->s_sei_pic; |
1005 | 116k | pv_disp_op->e4_fld_type = 0; |
1006 | 116k | pv_disp_op->u4_disp_buf_id = i4_disp_buf_id; |
1007 | | |
1008 | 116k | ps_op_frm->u4_y_ht = pic_buf->u2_disp_height << 1; |
1009 | 116k | ps_op_frm->u4_u_ht = ps_op_frm->u4_v_ht = ps_op_frm->u4_y_ht >> 1; |
1010 | 116k | ps_op_frm->u4_y_wd = pic_buf->u2_disp_width; |
1011 | | |
1012 | 116k | ps_op_frm->u4_u_wd = ps_op_frm->u4_v_wd = ps_op_frm->u4_y_wd >> 1; |
1013 | | |
1014 | 116k | ps_op_frm->u4_y_strd = pic_buf->u2_frm_wd_y; |
1015 | 116k | ps_op_frm->u4_u_strd = ps_op_frm->u4_v_strd = pic_buf->u2_frm_wd_uv; |
1016 | | |
1017 | | /* ! */ |
1018 | 116k | pv_disp_op->u4_ts = pic_buf->u4_ts; |
1019 | 116k | ps_dec->i4_display_index = pic_buf->i4_poc; |
1020 | | |
1021 | | /* set the start of the Y, U and V buffer pointer for display */ |
1022 | 116k | ps_op_frm->pv_y_buf = pic_buf->pu1_buf1 + pic_buf->u2_crop_offset_y; |
1023 | 116k | ps_op_frm->pv_u_buf = pic_buf->pu1_buf2 + pic_buf->u2_crop_offset_uv; |
1024 | 116k | ps_op_frm->pv_v_buf = pic_buf->pu1_buf3 + pic_buf->u2_crop_offset_uv; |
1025 | 116k | ps_dec->u4_num_fld_in_frm++; |
1026 | 116k | ps_dec->u4_num_fld_in_frm++; |
1027 | 116k | u4_api_ret = 0; |
1028 | | |
1029 | 116k | if(pic_buf->u1_picturetype == 0) |
1030 | 104k | pv_disp_op->u4_progressive_frame_flag = 1; |
1031 | 12.0k | else |
1032 | 12.0k | pv_disp_op->u4_progressive_frame_flag = 0; |
1033 | | |
1034 | 116k | } H264_MUTEX_UNLOCK(&ps_dec->process_disp_mutex); |
1035 | 231k | pv_disp_op->u4_error_code = u4_api_ret; |
1036 | 231k | pv_disp_op->e_pic_type = 0xFFFFFFFF; //Junk; |
1037 | | |
1038 | 231k | if(u4_api_ret) |
1039 | 115k | { |
1040 | 115k | pv_disp_op->u4_error_code = 1; //put a proper error code here |
1041 | 115k | } |
1042 | 116k | else |
1043 | 116k | { |
1044 | | |
1045 | | //Release the buffer if being sent for display |
1046 | 116k | UWORD32 temp; |
1047 | 116k | UWORD32 dest_inc_Y = 0, dest_inc_UV = 0; |
1048 | | |
1049 | 116k | pv_disp_op->s_disp_frm_buf.u4_y_wd = temp = MIN(ps_op_frm->u4_y_wd, |
1050 | 116k | ps_op_frm->u4_y_strd); |
1051 | 116k | pv_disp_op->s_disp_frm_buf.u4_u_wd = pv_disp_op->s_disp_frm_buf.u4_y_wd |
1052 | 116k | >> 1; |
1053 | 116k | pv_disp_op->s_disp_frm_buf.u4_v_wd = pv_disp_op->s_disp_frm_buf.u4_y_wd |
1054 | 116k | >> 1; |
1055 | | |
1056 | 116k | pv_disp_op->s_disp_frm_buf.u4_y_ht = ps_op_frm->u4_y_ht; |
1057 | 116k | pv_disp_op->s_disp_frm_buf.u4_u_ht = pv_disp_op->s_disp_frm_buf.u4_y_ht |
1058 | 116k | >> 1; |
1059 | 116k | pv_disp_op->s_disp_frm_buf.u4_v_ht = pv_disp_op->s_disp_frm_buf.u4_y_ht |
1060 | 116k | >> 1; |
1061 | 116k | if(0 == ps_dec->u4_share_disp_buf) |
1062 | 116k | { |
1063 | 116k | pv_disp_op->s_disp_frm_buf.u4_y_strd = |
1064 | 116k | pv_disp_op->s_disp_frm_buf.u4_y_wd; |
1065 | 116k | pv_disp_op->s_disp_frm_buf.u4_u_strd = |
1066 | 116k | pv_disp_op->s_disp_frm_buf.u4_y_wd >> 1; |
1067 | 116k | pv_disp_op->s_disp_frm_buf.u4_v_strd = |
1068 | 116k | pv_disp_op->s_disp_frm_buf.u4_y_wd >> 1; |
1069 | | |
1070 | 116k | } |
1071 | 0 | else |
1072 | 0 | { |
1073 | 0 | pv_disp_op->s_disp_frm_buf.u4_y_strd = ps_op_frm->u4_y_strd; |
1074 | 0 | } |
1075 | | |
1076 | 116k | if(ps_dec->u4_app_disp_width) |
1077 | 0 | { |
1078 | 0 | pv_disp_op->s_disp_frm_buf.u4_y_strd = MAX( |
1079 | 0 | ps_dec->u4_app_disp_width, |
1080 | 0 | pv_disp_op->s_disp_frm_buf.u4_y_strd); |
1081 | 0 | } |
1082 | | |
1083 | 116k | pv_disp_op->u4_error_code = 0; |
1084 | 116k | if(pv_disp_op->e_output_format == IV_YUV_420P) |
1085 | 57.8k | { |
1086 | 57.8k | UWORD32 i; |
1087 | 57.8k | pv_disp_op->s_disp_frm_buf.u4_u_strd = |
1088 | 57.8k | pv_disp_op->s_disp_frm_buf.u4_y_strd >> 1; |
1089 | 57.8k | pv_disp_op->s_disp_frm_buf.u4_v_strd = |
1090 | 57.8k | pv_disp_op->s_disp_frm_buf.u4_y_strd >> 1; |
1091 | | |
1092 | 57.8k | pv_disp_op->s_disp_frm_buf.u4_u_wd = ps_op_frm->u4_y_wd >> 1; |
1093 | 57.8k | pv_disp_op->s_disp_frm_buf.u4_v_wd = ps_op_frm->u4_y_wd >> 1; |
1094 | | |
1095 | 57.8k | if(1 == ps_dec->u4_share_disp_buf) |
1096 | 0 | { |
1097 | 0 | pv_disp_op->s_disp_frm_buf.pv_y_buf = ps_op_frm->pv_y_buf; |
1098 | |
|
1099 | 0 | for(i = 0; i < MAX_DISP_BUFS_NEW; i++) |
1100 | 0 | { |
1101 | 0 | UWORD8 *buf = ps_dec->disp_bufs[i].buf[0]; |
1102 | 0 | buf += ps_dec->disp_bufs[i].u4_ofst[0]; |
1103 | 0 | if(((UWORD8 *)pv_disp_op->s_disp_frm_buf.pv_y_buf |
1104 | 0 | - pic_buf->u2_crop_offset_y) == buf) |
1105 | 0 | { |
1106 | 0 | buf = ps_dec->disp_bufs[i].buf[1]; |
1107 | 0 | buf += ps_dec->disp_bufs[i].u4_ofst[1]; |
1108 | 0 | pv_disp_op->s_disp_frm_buf.pv_u_buf = buf |
1109 | 0 | + (pic_buf->u2_crop_offset_uv |
1110 | 0 | / YUV420SP_FACTOR); |
1111 | |
|
1112 | 0 | buf = ps_dec->disp_bufs[i].buf[2]; |
1113 | 0 | buf += ps_dec->disp_bufs[i].u4_ofst[2]; |
1114 | 0 | pv_disp_op->s_disp_frm_buf.pv_v_buf = buf |
1115 | 0 | + (pic_buf->u2_crop_offset_uv |
1116 | 0 | / YUV420SP_FACTOR); |
1117 | |
|
1118 | 0 | } |
1119 | 0 | } |
1120 | 0 | } |
1121 | | |
1122 | 57.8k | } |
1123 | 58.1k | else if((pv_disp_op->e_output_format == IV_YUV_420SP_UV) |
1124 | 58.1k | || (pv_disp_op->e_output_format == IV_YUV_420SP_VU)) |
1125 | 46.6k | { |
1126 | 46.6k | pv_disp_op->s_disp_frm_buf.u4_u_strd = |
1127 | 46.6k | pv_disp_op->s_disp_frm_buf.u4_y_strd; |
1128 | 46.6k | pv_disp_op->s_disp_frm_buf.u4_v_strd = 0; |
1129 | | |
1130 | 46.6k | if(1 == ps_dec->u4_share_disp_buf) |
1131 | 0 | { |
1132 | 0 | UWORD32 i; |
1133 | |
|
1134 | 0 | pv_disp_op->s_disp_frm_buf.pv_y_buf = ps_op_frm->pv_y_buf; |
1135 | |
|
1136 | 0 | for(i = 0; i < MAX_DISP_BUFS_NEW; i++) |
1137 | 0 | { |
1138 | 0 | UWORD8 *buf = ps_dec->disp_bufs[i].buf[0]; |
1139 | 0 | buf += ps_dec->disp_bufs[i].u4_ofst[0]; |
1140 | 0 | if((UWORD8 *)pv_disp_op->s_disp_frm_buf.pv_y_buf |
1141 | 0 | - pic_buf->u2_crop_offset_y == buf) |
1142 | 0 | { |
1143 | 0 | buf = ps_dec->disp_bufs[i].buf[1]; |
1144 | 0 | buf += ps_dec->disp_bufs[i].u4_ofst[1]; |
1145 | 0 | pv_disp_op->s_disp_frm_buf.pv_u_buf = buf |
1146 | 0 | + pic_buf->u2_crop_offset_uv; |
1147 | 0 | ; |
1148 | |
|
1149 | 0 | buf = ps_dec->disp_bufs[i].buf[2]; |
1150 | 0 | buf += ps_dec->disp_bufs[i].u4_ofst[2]; |
1151 | 0 | pv_disp_op->s_disp_frm_buf.pv_v_buf = buf |
1152 | 0 | + pic_buf->u2_crop_offset_uv; |
1153 | 0 | ; |
1154 | 0 | } |
1155 | 0 | } |
1156 | 0 | } |
1157 | 46.6k | pv_disp_op->s_disp_frm_buf.u4_u_wd = |
1158 | 46.6k | pv_disp_op->s_disp_frm_buf.u4_y_wd; |
1159 | 46.6k | pv_disp_op->s_disp_frm_buf.u4_v_wd = 0; |
1160 | | |
1161 | 46.6k | } |
1162 | 11.5k | else if((pv_disp_op->e_output_format == IV_RGB_565) |
1163 | 11.5k | || (pv_disp_op->e_output_format == IV_YUV_422ILE)) |
1164 | 11.5k | { |
1165 | | |
1166 | 11.5k | pv_disp_op->s_disp_frm_buf.u4_u_strd = 0; |
1167 | 11.5k | pv_disp_op->s_disp_frm_buf.u4_v_strd = 0; |
1168 | 11.5k | pv_disp_op->s_disp_frm_buf.u4_u_wd = 0; |
1169 | 11.5k | pv_disp_op->s_disp_frm_buf.u4_v_wd = 0; |
1170 | 11.5k | pv_disp_op->s_disp_frm_buf.u4_u_ht = 0; |
1171 | 11.5k | pv_disp_op->s_disp_frm_buf.u4_v_ht = 0; |
1172 | | |
1173 | 11.5k | } |
1174 | | |
1175 | | |
1176 | 116k | } |
1177 | | |
1178 | 231k | return u4_api_ret; |
1179 | 231k | } |
1180 | | |
1181 | | |
1182 | | /*****************************************************************************/ |
1183 | | /* Function Name : ih264d_release_display_field */ |
1184 | | /* */ |
1185 | | /* Description : This function releases the display field that was returned */ |
1186 | | /* here. */ |
1187 | | /* Inputs : ps_dec - Decoder parameters */ |
1188 | | /* Globals : None */ |
1189 | | /* Processing : Refer bumping process in the standard */ |
1190 | | /* Outputs : Assigns display sequence number. */ |
1191 | | /* Returns : None */ |
1192 | | /* */ |
1193 | | /* Issues : None */ |
1194 | | /* */ |
1195 | | /* Revision History: */ |
1196 | | /* */ |
1197 | | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
1198 | | /* 27 04 2005 NS Draft */ |
1199 | | /* */ |
1200 | | /*****************************************************************************/ |
1201 | | void ih264d_release_display_field(dec_struct_t *ps_dec, |
1202 | | ivd_get_display_frame_op_t *pv_disp_op) |
1203 | 183k | { |
1204 | 183k | if(1 == pv_disp_op->u4_error_code) |
1205 | 105k | { |
1206 | 105k | if(1 == ps_dec->u1_flushfrm) |
1207 | 0 | { |
1208 | 0 | UWORD32 i; |
1209 | |
|
1210 | 0 | if(1 == ps_dec->u4_share_disp_buf) |
1211 | 0 | { |
1212 | 0 | H264_MUTEX_LOCK(&ps_dec->process_disp_mutex); |
1213 | 0 | for(i = 0; i < (MAX_DISP_BUFS_NEW); i++) |
1214 | 0 | { |
1215 | 0 | if(1 == ps_dec->u4_disp_buf_mapping[i]) |
1216 | 0 | { |
1217 | 0 | ih264_buf_mgr_release( |
1218 | 0 | (buf_mgr_t *)ps_dec->pv_pic_buf_mgr, i, |
1219 | 0 | BUF_MGR_IO); |
1220 | 0 | ps_dec->u4_disp_buf_mapping[i] = 0; |
1221 | 0 | } |
1222 | 0 | } H264_MUTEX_UNLOCK(&ps_dec->process_disp_mutex); |
1223 | |
|
1224 | 0 | memset(ps_dec->u4_disp_buf_to_be_freed, 0, |
1225 | 0 | (MAX_DISP_BUFS_NEW) * sizeof(UWORD32)); |
1226 | 0 | for(i = 0; i < ps_dec->u1_pic_bufs; i++) |
1227 | 0 | ps_dec->u4_disp_buf_mapping[i] = 1; |
1228 | 0 | } |
1229 | 0 | ps_dec->u1_flushfrm = 0; |
1230 | |
|
1231 | 0 | } |
1232 | 105k | } |
1233 | 78.3k | else |
1234 | 78.3k | { |
1235 | 78.3k | H264_MUTEX_LOCK(&ps_dec->process_disp_mutex); |
1236 | | |
1237 | 78.3k | if(0 == ps_dec->u4_share_disp_buf) |
1238 | 78.3k | { |
1239 | 78.3k | ih264_buf_mgr_release((buf_mgr_t *)ps_dec->pv_pic_buf_mgr, |
1240 | 78.3k | pv_disp_op->u4_disp_buf_id, |
1241 | 78.3k | BUF_MGR_IO); |
1242 | | |
1243 | 78.3k | } |
1244 | 0 | else |
1245 | 0 | { |
1246 | 0 | ps_dec->u4_disp_buf_mapping[pv_disp_op->u4_disp_buf_id] = 1; |
1247 | 0 | } H264_MUTEX_UNLOCK(&ps_dec->process_disp_mutex); |
1248 | | |
1249 | 78.3k | } |
1250 | 183k | } |
1251 | | /*****************************************************************************/ |
1252 | | /* Function Name : ih264d_assign_display_seq */ |
1253 | | /* */ |
1254 | | /* Description : This function implments bumping process. Every outgoing */ |
1255 | | /* frame from DPB is assigned a display sequence number */ |
1256 | | /* which increases monotonically. System looks for this */ |
1257 | | /* number to display a frame. */ |
1258 | | /* here. */ |
1259 | | /* Inputs : ps_dec - Decoder parameters */ |
1260 | | /* Globals : None */ |
1261 | | /* Processing : Refer bumping process in the standard */ |
1262 | | /* Outputs : Assigns display sequence number. */ |
1263 | | /* Returns : None */ |
1264 | | /* */ |
1265 | | /* Issues : None */ |
1266 | | /* */ |
1267 | | /* Revision History: */ |
1268 | | /* */ |
1269 | | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
1270 | | /* 27 04 2005 NS Draft */ |
1271 | | /* */ |
1272 | | /*****************************************************************************/ |
1273 | | WORD32 ih264d_assign_display_seq(dec_struct_t *ps_dec) |
1274 | 172k | { |
1275 | 172k | WORD32 i; |
1276 | 172k | WORD32 i4_min_poc; |
1277 | 172k | WORD32 i4_min_poc_buf_id; |
1278 | 172k | WORD32 i4_min_index; |
1279 | 172k | dpb_manager_t *ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
1280 | 172k | WORD32 (*i4_poc_buf_id_map)[3] = ps_dpb_mgr->ai4_poc_buf_id_map; |
1281 | | |
1282 | 172k | i4_min_poc = 0x7fffffff; |
1283 | 172k | i4_min_poc_buf_id = -1; |
1284 | 172k | i4_min_index = -1; |
1285 | | |
1286 | 172k | if(ps_dpb_mgr->i1_poc_buf_id_entries >= ps_dec->i4_display_delay) |
1287 | 12.7k | { |
1288 | 216k | for(i = 0; i < MAX_FRAMES; i++) |
1289 | 203k | { |
1290 | 203k | if((i4_poc_buf_id_map[i][0] != -1) |
1291 | 203k | && (DO_NOT_DISP |
1292 | 121k | != ps_dpb_mgr->ai4_poc_buf_id_map[i][0])) |
1293 | 97.6k | { |
1294 | | /* Checking for <= is necessary to handle cases where there is one |
1295 | | valid buffer with poc set to 0x7FFFFFFF. */ |
1296 | 97.6k | if(i4_poc_buf_id_map[i][1] <= i4_min_poc) |
1297 | 38.9k | { |
1298 | 38.9k | i4_min_poc = i4_poc_buf_id_map[i][1]; |
1299 | 38.9k | i4_min_poc_buf_id = i4_poc_buf_id_map[i][0]; |
1300 | 38.9k | i4_min_index = i; |
1301 | 38.9k | } |
1302 | 97.6k | } |
1303 | 203k | } |
1304 | | |
1305 | 12.7k | if((i4_min_index != -1) && (DO_NOT_DISP != i4_min_poc_buf_id)) |
1306 | 10.6k | { |
1307 | 10.6k | ps_dec->i4_cur_display_seq++; |
1308 | 10.6k | ih264_disp_mgr_add( |
1309 | 10.6k | (disp_mgr_t *)ps_dec->pv_disp_buf_mgr, |
1310 | 10.6k | i4_min_poc_buf_id, ps_dec->i4_cur_display_seq, |
1311 | 10.6k | ps_dec->apv_buf_id_pic_buf_map[i4_min_poc_buf_id]); |
1312 | 10.6k | i4_poc_buf_id_map[i4_min_index][0] = -1; |
1313 | 10.6k | i4_poc_buf_id_map[i4_min_index][1] = 0x7fffffff; |
1314 | 10.6k | ps_dpb_mgr->i1_poc_buf_id_entries--; |
1315 | 10.6k | } |
1316 | 2.01k | else if(DO_NOT_DISP == i4_min_poc_buf_id) |
1317 | 0 | { |
1318 | 0 | WORD32 i4_error_code; |
1319 | 0 | i4_error_code = ERROR_GAPS_IN_FRM_NUM; |
1320 | | // i4_error_code |= 1<<IVD_CORRUPTEDDATA; |
1321 | 0 | return i4_error_code; |
1322 | 0 | } |
1323 | 12.7k | } |
1324 | 172k | return OK; |
1325 | 172k | } |
1326 | | |
1327 | | /*****************************************************************************/ |
1328 | | /* */ |
1329 | | /* Function Name : ih264d_release_display_bufs */ |
1330 | | /* */ |
1331 | | /* Description : This function implments bumping process when mmco = 5. */ |
1332 | | /* Each outgoing frame from DPB is assigned a display */ |
1333 | | /* sequence number which increases monotonically. System */ |
1334 | | /* looks for this number to display a frame. */ |
1335 | | /* Inputs : ps_dec - Decoder parameters */ |
1336 | | /* Globals : None */ |
1337 | | /* Processing : Refer bumping process in the standard for mmco = 5 */ |
1338 | | /* Outputs : Assigns display sequence number. */ |
1339 | | /* Returns : None */ |
1340 | | /* */ |
1341 | | /* Issues : None */ |
1342 | | /* */ |
1343 | | /* Revision History: */ |
1344 | | /* */ |
1345 | | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
1346 | | /* 27 04 2005 NS Draft */ |
1347 | | /* */ |
1348 | | /*****************************************************************************/ |
1349 | | void ih264d_release_display_bufs(dec_struct_t *ps_dec) |
1350 | 131k | { |
1351 | 131k | WORD32 i, j; |
1352 | 131k | WORD32 i4_min_poc; |
1353 | 131k | WORD32 i4_min_poc_buf_id; |
1354 | 131k | WORD32 i4_min_index; |
1355 | 131k | WORD64 i8_temp; |
1356 | 131k | dpb_manager_t *ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
1357 | 131k | WORD32 (*i4_poc_buf_id_map)[3] = ps_dpb_mgr->ai4_poc_buf_id_map; |
1358 | | |
1359 | 131k | i4_min_poc = 0x7fffffff; |
1360 | 131k | i4_min_poc_buf_id = 0; |
1361 | 131k | i4_min_index = 0; |
1362 | | |
1363 | 131k | ih264d_delete_nonref_nondisplay_pics(ps_dpb_mgr); |
1364 | | |
1365 | 259k | for(j = 0; j < ps_dpb_mgr->i1_poc_buf_id_entries; j++) |
1366 | 127k | { |
1367 | 127k | i4_min_poc = 0x7fffffff; |
1368 | 2.16M | for(i = 0; i < MAX_FRAMES; i++) |
1369 | 2.03M | { |
1370 | 2.03M | if(i4_poc_buf_id_map[i][0] != -1) |
1371 | 200k | { |
1372 | | /* Checking for <= is necessary to handle cases where there is one |
1373 | | valid buffer with poc set to 0x7FFFFFFF. */ |
1374 | 200k | if(i4_poc_buf_id_map[i][1] <= i4_min_poc) |
1375 | 165k | { |
1376 | 165k | i4_min_poc = i4_poc_buf_id_map[i][1]; |
1377 | 165k | i4_min_poc_buf_id = i4_poc_buf_id_map[i][0]; |
1378 | 165k | i4_min_index = i; |
1379 | 165k | } |
1380 | 200k | } |
1381 | 2.03M | } |
1382 | | |
1383 | 127k | if(DO_NOT_DISP != i4_min_poc_buf_id) |
1384 | 118k | { |
1385 | 118k | ps_dec->i4_cur_display_seq++; |
1386 | 118k | ih264_disp_mgr_add( |
1387 | 118k | (disp_mgr_t *)ps_dec->pv_disp_buf_mgr, |
1388 | 118k | i4_min_poc_buf_id, ps_dec->i4_cur_display_seq, |
1389 | 118k | ps_dec->apv_buf_id_pic_buf_map[i4_min_poc_buf_id]); |
1390 | 118k | i4_poc_buf_id_map[i4_min_index][0] = -1; |
1391 | 118k | i4_poc_buf_id_map[i4_min_index][1] = 0x7fffffff; |
1392 | 118k | ps_dpb_mgr->ai4_poc_buf_id_map[i4_min_index][2] = 0; |
1393 | 118k | } |
1394 | 8.77k | else |
1395 | 8.77k | { |
1396 | 8.77k | i4_poc_buf_id_map[i4_min_index][0] = -1; |
1397 | 8.77k | i4_poc_buf_id_map[i4_min_index][1] = 0x7fffffff; |
1398 | 8.77k | ps_dpb_mgr->ai4_poc_buf_id_map[i4_min_index][2] = 0; |
1399 | 8.77k | } |
1400 | 127k | } |
1401 | 131k | ps_dpb_mgr->i1_poc_buf_id_entries = 0; |
1402 | 131k | i8_temp = (WORD64)ps_dec->i4_prev_max_display_seq + ps_dec->i4_max_poc |
1403 | 131k | + ps_dec->u1_max_dec_frame_buffering + 1; |
1404 | | /*If i4_prev_max_display_seq overflows integer range, reset it */ |
1405 | 131k | ps_dec->i4_prev_max_display_seq = IS_OUT_OF_RANGE_S32(i8_temp)? |
1406 | 131k | 0 : i8_temp; |
1407 | 131k | ps_dec->i4_max_poc = 0; |
1408 | 131k | } |
1409 | | |
1410 | | /*****************************************************************************/ |
1411 | | /* */ |
1412 | | /* Function Name : ih264d_assign_pic_num */ |
1413 | | /* */ |
1414 | | /* Description : This function assigns pic num to each reference frame */ |
1415 | | /* depending on the cur_frame_num as speified in section */ |
1416 | | /* 8.2.4.1 */ |
1417 | | /* */ |
1418 | | /* Inputs : ps_dec */ |
1419 | | /* */ |
1420 | | /* Globals : NO globals used */ |
1421 | | /* */ |
1422 | | /* Processing : for all ST pictures */ |
1423 | | /* if( FrameNum > cur_frame_num) */ |
1424 | | /* PicNum = FrameNum - MaxFrameNum */ |
1425 | | /* else */ |
1426 | | /* PicNum = FrameNum */ |
1427 | | /* */ |
1428 | | /* Returns : void */ |
1429 | | /* */ |
1430 | | /* Issues : NO */ |
1431 | | /* */ |
1432 | | /* Revision History: */ |
1433 | | /* */ |
1434 | | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
1435 | | /* 13 07 2002 Jay Draft */ |
1436 | | /* */ |
1437 | | /*****************************************************************************/ |
1438 | | |
1439 | | void ih264d_assign_pic_num(dec_struct_t *ps_dec) |
1440 | 178k | { |
1441 | 178k | dpb_manager_t *ps_dpb_mgr; |
1442 | 178k | struct dpb_info_t *ps_next_dpb; |
1443 | 178k | WORD8 i; |
1444 | 178k | WORD32 i4_cur_frame_num, i4_max_frame_num; |
1445 | 178k | WORD32 i4_ref_frame_num; |
1446 | 178k | UWORD8 u1_fld_pic_flag = ps_dec->ps_cur_slice->u1_field_pic_flag; |
1447 | | |
1448 | 178k | i4_max_frame_num = ps_dec->ps_cur_sps->u2_u4_max_pic_num_minus1 + 1; |
1449 | 178k | i4_cur_frame_num = ps_dec->ps_cur_pic->i4_frame_num; |
1450 | 178k | ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
1451 | | |
1452 | | /* Start from ST head */ |
1453 | 178k | ps_next_dpb = ps_dpb_mgr->ps_dpb_st_head; |
1454 | 333k | for(i = 0; i < ps_dpb_mgr->u1_num_st_ref_bufs; i++) |
1455 | 154k | { |
1456 | 154k | WORD32 i4_pic_num; |
1457 | | |
1458 | 154k | i4_ref_frame_num = ps_next_dpb->ps_pic_buf->i4_frame_num; |
1459 | 154k | if(i4_ref_frame_num > i4_cur_frame_num) |
1460 | 34.0k | { |
1461 | | /* RefPic Buf frame_num is before Current frame_num in decode order */ |
1462 | 34.0k | i4_pic_num = i4_ref_frame_num - i4_max_frame_num; |
1463 | 34.0k | } |
1464 | 120k | else |
1465 | 120k | { |
1466 | | /* RefPic Buf frame_num is after Current frame_num in decode order */ |
1467 | 120k | i4_pic_num = i4_ref_frame_num; |
1468 | 120k | } |
1469 | | |
1470 | 154k | ps_next_dpb->ps_pic_buf->i4_pic_num = i4_pic_num; |
1471 | 154k | ps_next_dpb->i4_frame_num = i4_pic_num; |
1472 | 154k | ps_next_dpb->ps_pic_buf->u1_long_term_frm_idx = MAX_REF_BUFS + 1; |
1473 | 154k | if(u1_fld_pic_flag) |
1474 | 15.7k | { |
1475 | | /* Assign the pic num to top fields and bot fields */ |
1476 | | |
1477 | 15.7k | ps_next_dpb->s_top_field.i4_pic_num = i4_pic_num * 2 |
1478 | 15.7k | + !(ps_dec->ps_cur_slice->u1_bottom_field_flag); |
1479 | 15.7k | ps_next_dpb->s_bot_field.i4_pic_num = i4_pic_num * 2 |
1480 | 15.7k | + ps_dec->ps_cur_slice->u1_bottom_field_flag; |
1481 | 15.7k | } |
1482 | | /* Chase the next link */ |
1483 | 154k | ps_next_dpb = ps_next_dpb->ps_prev_short; |
1484 | 154k | } |
1485 | | |
1486 | 178k | if(ps_dec->ps_cur_sps->u1_gaps_in_frame_num_value_allowed_flag |
1487 | 178k | && ps_dpb_mgr->u1_num_gaps) |
1488 | 3.97k | { |
1489 | 3.97k | WORD32 i4_start_frm, i4_end_frm; |
1490 | | /* Assign pic numbers for gaps */ |
1491 | 67.5k | for(i = 0; i < MAX_FRAMES; i++) |
1492 | 63.6k | { |
1493 | 63.6k | i4_start_frm = ps_dpb_mgr->ai4_gaps_start_frm_num[i]; |
1494 | 63.6k | if(i4_start_frm != INVALID_FRAME_NUM) |
1495 | 6.28k | { |
1496 | 6.28k | if(i4_start_frm > i4_cur_frame_num) |
1497 | 1.33k | { |
1498 | | /* gap's frame_num is before Current frame_num in |
1499 | | decode order */ |
1500 | 1.33k | i4_start_frm -= i4_max_frame_num; |
1501 | 1.33k | } |
1502 | 6.28k | ps_dpb_mgr->ai4_gaps_start_frm_num[i] = i4_start_frm; |
1503 | 6.28k | i4_end_frm = ps_dpb_mgr->ai4_gaps_end_frm_num[i]; |
1504 | | |
1505 | 6.28k | if(i4_end_frm > i4_cur_frame_num) |
1506 | 1.16k | { |
1507 | | /* gap's frame_num is before Current frame_num in |
1508 | | decode order */ |
1509 | 1.16k | i4_end_frm -= i4_max_frame_num; |
1510 | 1.16k | } |
1511 | 6.28k | ps_dpb_mgr->ai4_gaps_end_frm_num[i] = i4_end_frm; |
1512 | 6.28k | } |
1513 | 63.6k | } |
1514 | 3.97k | } |
1515 | 178k | } |
1516 | | |
1517 | | /*! |
1518 | | ************************************************************************** |
1519 | | * \if Function name : ih264d_update_qp \endif |
1520 | | * |
1521 | | * \brief |
1522 | | * Updates the values of QP and its related entities |
1523 | | * |
1524 | | * \return |
1525 | | * 0 on Success and Error code otherwise |
1526 | | * |
1527 | | ************************************************************************** |
1528 | | */ |
1529 | | WORD32 ih264d_update_qp(dec_struct_t * ps_dec, const WORD8 i1_qp) |
1530 | 795k | { |
1531 | 795k | WORD32 i_temp; |
1532 | 795k | i_temp = (ps_dec->u1_qp + i1_qp + 52) % 52; |
1533 | | |
1534 | 795k | if((i_temp < 0) || (i_temp > 51) || (i1_qp < -26) || (i1_qp > 25)) |
1535 | 0 | return ERROR_INV_RANGE_QP_T; |
1536 | | |
1537 | 795k | ps_dec->u1_qp = i_temp; |
1538 | 795k | ps_dec->u1_qp_y_rem6 = ps_dec->u1_qp % 6; |
1539 | 795k | ps_dec->u1_qp_y_div6 = ps_dec->u1_qp / 6; |
1540 | 795k | i_temp = CLIP3(0, 51, ps_dec->u1_qp + ps_dec->ps_cur_pps->i1_chroma_qp_index_offset); |
1541 | 795k | ps_dec->u1_qp_u_rem6 = MOD(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
1542 | 795k | ps_dec->u1_qp_u_div6 = DIV(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
1543 | | |
1544 | 795k | i_temp = CLIP3(0, 51, ps_dec->u1_qp + ps_dec->ps_cur_pps->i1_second_chroma_qp_index_offset); |
1545 | 795k | ps_dec->u1_qp_v_rem6 = MOD(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
1546 | 795k | ps_dec->u1_qp_v_div6 = DIV(gau1_ih264d_qp_scale_cr[12 + i_temp], 6); |
1547 | | |
1548 | 795k | ps_dec->pu2_quant_scale_y = |
1549 | 795k | gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_y_rem6]; |
1550 | 795k | ps_dec->pu2_quant_scale_u = |
1551 | 795k | gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_u_rem6]; |
1552 | 795k | ps_dec->pu2_quant_scale_v = |
1553 | 795k | gau2_ih264_iquant_scale_4x4[ps_dec->u1_qp_v_rem6]; |
1554 | 795k | return OK; |
1555 | 795k | } |
1556 | | |
1557 | | /*****************************************************************************/ |
1558 | | /* */ |
1559 | | /* Function Name : ih264d_decode_gaps_in_frame_num */ |
1560 | | /* */ |
1561 | | /* Description : This function decodes gaps in frame number */ |
1562 | | /* */ |
1563 | | /* Inputs : ps_dec Decoder parameters */ |
1564 | | /* u2_frame_num current frame number */ |
1565 | | /* */ |
1566 | | /* Globals : None */ |
1567 | | /* Processing : This functionality needs to be implemented */ |
1568 | | /* Outputs : None */ |
1569 | | /* Returns : None */ |
1570 | | /* */ |
1571 | | /* Issues : Not implemented */ |
1572 | | /* */ |
1573 | | /* Revision History: */ |
1574 | | /* */ |
1575 | | /* DD MM YYYY Author(s) Changes (Describe the changes made) */ |
1576 | | /* 06 05 2002 NS Draft */ |
1577 | | /* */ |
1578 | | /*****************************************************************************/ |
1579 | | WORD32 ih264d_decode_gaps_in_frame_num(dec_struct_t *ps_dec, |
1580 | | UWORD16 u2_frame_num) |
1581 | 9.54k | { |
1582 | 9.54k | UWORD32 u4_next_frm_num, u4_start_frm_num; |
1583 | 9.54k | UWORD32 u4_max_frm_num; |
1584 | 9.54k | pocstruct_t s_tmp_poc; |
1585 | 9.54k | WORD32 i4_poc; |
1586 | 9.54k | dec_slice_params_t *ps_cur_slice; |
1587 | | |
1588 | 9.54k | dec_pic_params_t *ps_pic_params; |
1589 | 9.54k | WORD8 i1_gap_idx; |
1590 | 9.54k | WORD32 *i4_gaps_start_frm_num; |
1591 | 9.54k | dpb_manager_t *ps_dpb_mgr; |
1592 | 9.54k | WORD32 i4_frame_gaps; |
1593 | 9.54k | WORD8 *pi1_gaps_per_seq; |
1594 | 9.54k | WORD32 ret; |
1595 | | |
1596 | 9.54k | ps_cur_slice = ps_dec->ps_cur_slice; |
1597 | 9.54k | if(ps_cur_slice->u1_field_pic_flag) |
1598 | 3.66k | { |
1599 | 3.66k | if(ps_dec->u2_prev_ref_frame_num == u2_frame_num) |
1600 | 1.43k | return 0; |
1601 | 3.66k | } |
1602 | 8.11k | ps_pic_params = ps_dec->ps_cur_pps; |
1603 | | |
1604 | 8.11k | u4_next_frm_num = ps_dec->u2_prev_ref_frame_num + 1; |
1605 | 8.11k | u4_max_frm_num = ps_pic_params->ps_sps->u2_u4_max_pic_num_minus1 + 1; |
1606 | | |
1607 | | // check |
1608 | 8.11k | if(u4_next_frm_num >= u4_max_frm_num) |
1609 | 144 | { |
1610 | 144 | u4_next_frm_num -= u4_max_frm_num; |
1611 | 144 | } |
1612 | | |
1613 | 8.11k | if(u4_next_frm_num == u2_frame_num) |
1614 | 608 | { |
1615 | 608 | return (0); |
1616 | 608 | } |
1617 | | |
1618 | | // check |
1619 | 7.50k | if((ps_dec->u1_nal_unit_type == IDR_SLICE_NAL) |
1620 | 7.50k | && (u4_next_frm_num >= u2_frame_num)) |
1621 | 903 | { |
1622 | 903 | return (0); |
1623 | 903 | } |
1624 | 6.60k | u4_start_frm_num = u4_next_frm_num; |
1625 | | |
1626 | 6.60k | s_tmp_poc.i4_pic_order_cnt_lsb = 0; |
1627 | 6.60k | s_tmp_poc.i4_delta_pic_order_cnt_bottom = 0; |
1628 | 6.60k | s_tmp_poc.i4_pic_order_cnt_lsb = 0; |
1629 | 6.60k | s_tmp_poc.i4_delta_pic_order_cnt_bottom = 0; |
1630 | 6.60k | s_tmp_poc.i4_delta_pic_order_cnt[0] = 0; |
1631 | 6.60k | s_tmp_poc.i4_delta_pic_order_cnt[1] = 0; |
1632 | | |
1633 | 6.60k | ps_cur_slice = ps_dec->ps_cur_slice; |
1634 | | |
1635 | 6.60k | i4_frame_gaps = 0; |
1636 | 6.60k | ps_dpb_mgr = ps_dec->ps_dpb_mgr; |
1637 | | |
1638 | | /* Find a empty slot to store gap seqn info */ |
1639 | 6.60k | i4_gaps_start_frm_num = ps_dpb_mgr->ai4_gaps_start_frm_num; |
1640 | 21.1k | for(i1_gap_idx = 0; i1_gap_idx < MAX_FRAMES; i1_gap_idx++) |
1641 | 20.7k | { |
1642 | 20.7k | if(INVALID_FRAME_NUM == i4_gaps_start_frm_num[i1_gap_idx]) |
1643 | 6.22k | break; |
1644 | 20.7k | } |
1645 | 6.60k | if(MAX_FRAMES == i1_gap_idx) |
1646 | 379 | { |
1647 | 379 | UWORD32 i4_error_code; |
1648 | 379 | i4_error_code = ERROR_DBP_MANAGER_T; |
1649 | | // i4_error_code |= 1<<IVD_CORRUPTEDDATA; |
1650 | 379 | return i4_error_code; |
1651 | 379 | } |
1652 | | |
1653 | 6.22k | i4_poc = 0; |
1654 | 6.22k | i4_gaps_start_frm_num[i1_gap_idx] = u4_start_frm_num; |
1655 | 6.22k | ps_dpb_mgr->ai4_gaps_end_frm_num[i1_gap_idx] = u2_frame_num - 1; |
1656 | 6.22k | pi1_gaps_per_seq = ps_dpb_mgr->ai1_gaps_per_seq; |
1657 | 6.22k | pi1_gaps_per_seq[i1_gap_idx] = 0; |
1658 | 1.52M | while(u4_next_frm_num != u2_frame_num) |
1659 | 1.51M | { |
1660 | 1.51M | ih264d_delete_nonref_nondisplay_pics(ps_dpb_mgr); |
1661 | 1.51M | if(ps_pic_params->ps_sps->u1_pic_order_cnt_type) |
1662 | 27.7k | { |
1663 | | /* allocate a picture buffer and insert it as ST node */ |
1664 | 27.7k | ret = ih264d_decode_pic_order_cnt(0, u4_next_frm_num, |
1665 | 27.7k | &ps_dec->s_prev_pic_poc, |
1666 | 27.7k | &s_tmp_poc, ps_cur_slice, |
1667 | 27.7k | ps_pic_params, 1, 0, 0, |
1668 | 27.7k | &i4_poc); |
1669 | 27.7k | if(ret != OK) |
1670 | 443 | return ret; |
1671 | | |
1672 | | /* Display seq no calculations */ |
1673 | 27.2k | if(i4_poc >= ps_dec->i4_max_poc) |
1674 | 16.8k | ps_dec->i4_max_poc = i4_poc; |
1675 | | /* IDR Picture or POC wrap around */ |
1676 | 27.2k | if(i4_poc == 0) |
1677 | 3.85k | { |
1678 | 3.85k | WORD64 i8_temp; |
1679 | 3.85k | i8_temp = (WORD64)ps_dec->i4_prev_max_display_seq |
1680 | 3.85k | + ps_dec->i4_max_poc |
1681 | 3.85k | + ps_dec->u1_max_dec_frame_buffering + 1; |
1682 | | /*If i4_prev_max_display_seq overflows integer range, reset it */ |
1683 | 3.85k | ps_dec->i4_prev_max_display_seq = IS_OUT_OF_RANGE_S32(i8_temp)? |
1684 | 3.77k | 0 : i8_temp; |
1685 | 3.85k | ps_dec->i4_max_poc = 0; |
1686 | 3.85k | } |
1687 | | |
1688 | 27.2k | ps_cur_slice->u1_mmco_equalto5 = 0; |
1689 | 27.2k | ps_cur_slice->u2_frame_num = u4_next_frm_num; |
1690 | 27.2k | } |
1691 | | |
1692 | | // check |
1693 | 1.51M | if(ps_dpb_mgr->i1_poc_buf_id_entries |
1694 | 1.51M | >= ps_dec->u1_max_dec_frame_buffering) |
1695 | 2.58k | { |
1696 | 2.58k | ret = ih264d_assign_display_seq(ps_dec); |
1697 | 2.58k | if(ret != OK) |
1698 | 0 | return ret; |
1699 | 2.58k | } |
1700 | | |
1701 | 1.51M | { |
1702 | 1.51M | WORD64 i8_display_poc; |
1703 | 1.51M | i8_display_poc = (WORD64)ps_dec->i4_prev_max_display_seq + |
1704 | 1.51M | i4_poc; |
1705 | 1.51M | if(IS_OUT_OF_RANGE_S32(i8_display_poc)) |
1706 | 214 | { |
1707 | 214 | ps_dec->i4_prev_max_display_seq = 0; |
1708 | 214 | } |
1709 | 1.51M | } |
1710 | 1.51M | ret = ih264d_insert_pic_in_display_list( |
1711 | 1.51M | ps_dec->ps_dpb_mgr, (WORD8) DO_NOT_DISP, |
1712 | 1.51M | (WORD32)(ps_dec->i4_prev_max_display_seq + i4_poc), |
1713 | 1.51M | u4_next_frm_num); |
1714 | 1.51M | if(ret != OK) |
1715 | 421 | return ret; |
1716 | | |
1717 | 1.51M | pi1_gaps_per_seq[i1_gap_idx]++; |
1718 | 1.51M | ret = ih264d_do_mmco_for_gaps(ps_dpb_mgr, |
1719 | 1.51M | ps_dec->ps_cur_sps->u1_num_ref_frames); |
1720 | 1.51M | if(ret != OK) |
1721 | 1.15k | return ret; |
1722 | | |
1723 | 1.51M | ih264d_delete_nonref_nondisplay_pics(ps_dpb_mgr); |
1724 | | |
1725 | 1.51M | u4_next_frm_num++; |
1726 | 1.51M | if(u4_next_frm_num >= u4_max_frm_num) |
1727 | 534 | { |
1728 | 534 | u4_next_frm_num -= u4_max_frm_num; |
1729 | 534 | } |
1730 | | |
1731 | 1.51M | i4_frame_gaps++; |
1732 | 1.51M | } |
1733 | | |
1734 | 4.20k | return OK; |
1735 | 6.22k | } |
1736 | | |
1737 | | /*! |
1738 | | ************************************************************************** |
1739 | | * \if Function name : ih264d_create_pic_buffers \endif |
1740 | | * |
1741 | | * \brief |
1742 | | * This function creates Picture Buffers. |
1743 | | * |
1744 | | * \return |
1745 | | * 0 on Success and -1 on error |
1746 | | ************************************************************************** |
1747 | | */ |
1748 | | WORD32 ih264d_create_pic_buffers(UWORD8 u1_num_of_buf, |
1749 | | dec_struct_t *ps_dec) |
1750 | 26.8k | { |
1751 | 26.8k | struct pic_buffer_t *ps_pic_buf; |
1752 | 26.8k | UWORD8 i; |
1753 | 26.8k | UWORD32 u4_luma_size, u4_chroma_size; |
1754 | 26.8k | UWORD8 u1_frm = ps_dec->ps_cur_sps->u1_frame_mbs_only_flag; |
1755 | 26.8k | WORD32 j; |
1756 | 26.8k | UWORD8 *pu1_buf; |
1757 | | |
1758 | 26.8k | ps_pic_buf = ps_dec->ps_pic_buf_base; |
1759 | 26.8k | ih264_disp_mgr_init((disp_mgr_t *)ps_dec->pv_disp_buf_mgr); |
1760 | 26.8k | ih264_buf_mgr_init((buf_mgr_t *)ps_dec->pv_pic_buf_mgr); |
1761 | 26.8k | u4_luma_size = ps_dec->u2_frm_wd_y * ps_dec->u2_frm_ht_y; |
1762 | 26.8k | u4_chroma_size = ps_dec->u2_frm_wd_uv * ps_dec->u2_frm_ht_uv; |
1763 | | |
1764 | 26.8k | { |
1765 | 26.8k | if(ps_dec->u4_share_disp_buf == 1) |
1766 | 0 | { |
1767 | | /* In case of buffers getting shared between application and library |
1768 | | there is no need of reference memtabs. Instead of setting the i4_size |
1769 | | to zero, it is reduced to a small i4_size to ensure that changes |
1770 | | in the code are minimal */ |
1771 | 0 | if((ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
1772 | 0 | || (ps_dec->u1_chroma_format == IV_YUV_420SP_VU) |
1773 | 0 | || (ps_dec->u1_chroma_format == IV_YUV_420P)) |
1774 | 0 | { |
1775 | 0 | u4_luma_size = 64; |
1776 | 0 | } |
1777 | |
|
1778 | 0 | if(ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
1779 | 0 | { |
1780 | 0 | u4_chroma_size = 64; |
1781 | 0 | } |
1782 | |
|
1783 | 0 | } |
1784 | 26.8k | } |
1785 | | |
1786 | 26.8k | pu1_buf = ps_dec->pu1_pic_buf_base; |
1787 | | |
1788 | | /* Allocate memory for refernce buffers */ |
1789 | 488k | for(i = 0; i < u1_num_of_buf; i++) |
1790 | 461k | { |
1791 | 461k | UWORD32 u4_offset; |
1792 | 461k | WORD32 buf_ret; |
1793 | 461k | UWORD8 *pu1_luma, *pu1_chroma; |
1794 | 461k | void *pv_mem_ctxt = ps_dec->pv_mem_ctxt; |
1795 | | |
1796 | 461k | pu1_luma = pu1_buf; |
1797 | 461k | pu1_buf += ALIGN64(u4_luma_size); |
1798 | 461k | pu1_chroma = pu1_buf; |
1799 | 461k | pu1_buf += ALIGN64(u4_chroma_size); |
1800 | | |
1801 | | /* Offset to the start of the pic from the top left corner of the frame |
1802 | | buffer */ |
1803 | | |
1804 | 461k | if((0 == ps_dec->u4_share_disp_buf) |
1805 | 461k | || (NULL == ps_dec->disp_bufs[i].buf[0])) |
1806 | 461k | { |
1807 | 461k | UWORD32 pad_len_h, pad_len_v; |
1808 | | |
1809 | 461k | u4_offset = ps_dec->u2_frm_wd_y * (PAD_LEN_Y_V << 1) + PAD_LEN_Y_H; |
1810 | 461k | ps_pic_buf->pu1_buf1 = (UWORD8 *)(pu1_luma) + u4_offset; |
1811 | | |
1812 | 461k | pad_len_h = MAX(PAD_LEN_UV_H, (PAD_LEN_Y_H >> 1)); |
1813 | 461k | pad_len_v = MAX(PAD_LEN_UV_V, PAD_LEN_Y_V); |
1814 | | |
1815 | 461k | u4_offset = ps_dec->u2_frm_wd_uv * pad_len_v + pad_len_h; |
1816 | | |
1817 | 461k | ps_pic_buf->pu1_buf2 = (UWORD8 *)(pu1_chroma) + u4_offset; |
1818 | 461k | ps_pic_buf->pu1_buf3 = (UWORD8 *)(NULL) + u4_offset; |
1819 | | |
1820 | 461k | } |
1821 | 0 | else |
1822 | 0 | { |
1823 | 0 | UWORD32 pad_len_h, pad_len_v; |
1824 | 0 | u4_offset = ps_dec->u2_frm_wd_y * (PAD_LEN_Y_V << 1) + PAD_LEN_Y_H; |
1825 | 0 | ps_pic_buf->pu1_buf1 = (UWORD8 *)ps_dec->disp_bufs[i].buf[0] |
1826 | 0 | + u4_offset; |
1827 | |
|
1828 | 0 | ps_dec->disp_bufs[i].u4_ofst[0] = u4_offset; |
1829 | |
|
1830 | 0 | if(ps_dec->u1_chroma_format == IV_YUV_420P) |
1831 | 0 | { |
1832 | 0 | pad_len_h = MAX(PAD_LEN_UV_H * YUV420SP_FACTOR, |
1833 | 0 | (PAD_LEN_Y_H >> 1)); |
1834 | 0 | pad_len_v = MAX(PAD_LEN_UV_V, PAD_LEN_Y_V); |
1835 | |
|
1836 | 0 | u4_offset = ps_dec->u2_frm_wd_uv * pad_len_v + pad_len_h; |
1837 | 0 | ps_pic_buf->pu1_buf2 = (UWORD8 *)(pu1_chroma) + u4_offset; |
1838 | 0 | ps_pic_buf->pu1_buf3 = (UWORD8 *)(NULL) + u4_offset; |
1839 | |
|
1840 | 0 | ps_dec->disp_bufs[i].u4_ofst[1] = u4_offset; |
1841 | 0 | ps_dec->disp_bufs[i].u4_ofst[2] = u4_offset; |
1842 | |
|
1843 | 0 | } |
1844 | 0 | else |
1845 | 0 | { |
1846 | 0 | pad_len_h = MAX(PAD_LEN_UV_H * YUV420SP_FACTOR, |
1847 | 0 | (PAD_LEN_Y_H >> 1)); |
1848 | 0 | pad_len_v = MAX(PAD_LEN_UV_V, PAD_LEN_Y_V); |
1849 | |
|
1850 | 0 | u4_offset = ps_dec->u2_frm_wd_uv * pad_len_v + pad_len_h; |
1851 | 0 | ps_pic_buf->pu1_buf2 = (UWORD8 *)(ps_dec->disp_bufs[i].buf[1]) |
1852 | 0 | + u4_offset; |
1853 | 0 | ps_pic_buf->pu1_buf3 = (UWORD8 *)(ps_dec->disp_bufs[i].buf[1]) |
1854 | 0 | + u4_offset; |
1855 | |
|
1856 | 0 | ps_dec->disp_bufs[i].u4_ofst[1] = u4_offset; |
1857 | 0 | ps_dec->disp_bufs[i].u4_ofst[2] = u4_offset; |
1858 | 0 | } |
1859 | 0 | } |
1860 | | |
1861 | 461k | ps_pic_buf->u2_frm_ht_y = ps_dec->u2_frm_ht_y; |
1862 | 461k | ps_pic_buf->u2_frm_ht_uv = ps_dec->u2_frm_ht_uv; |
1863 | 461k | ps_pic_buf->u2_frm_wd_y = ps_dec->u2_frm_wd_y; |
1864 | 461k | ps_pic_buf->u2_frm_wd_uv = ps_dec->u2_frm_wd_uv; |
1865 | | |
1866 | 461k | ps_pic_buf->u1_pic_buf_id = i; |
1867 | | |
1868 | 461k | buf_ret = ih264_buf_mgr_add((buf_mgr_t *)ps_dec->pv_pic_buf_mgr, |
1869 | 461k | ps_pic_buf, i); |
1870 | 461k | if(0 != buf_ret) |
1871 | 0 | { |
1872 | 0 | ps_dec->i4_error_code = ERROR_BUF_MGR; |
1873 | 0 | return ERROR_BUF_MGR; |
1874 | 0 | } |
1875 | | |
1876 | 461k | ps_dec->apv_buf_id_pic_buf_map[i] = (void *)ps_pic_buf; |
1877 | 461k | ps_pic_buf++; |
1878 | 461k | } |
1879 | | |
1880 | 26.8k | if(1 == ps_dec->u4_share_disp_buf) |
1881 | 0 | { |
1882 | 0 | for(i = 0; i < u1_num_of_buf; i++) |
1883 | 0 | ps_dec->u4_disp_buf_mapping[i] = 1; |
1884 | 0 | } |
1885 | 26.8k | return OK; |
1886 | 26.8k | } |
1887 | | |
1888 | | /*! |
1889 | | ************************************************************************** |
1890 | | * \if Function name : ih264d_allocate_dynamic_bufs \endif |
1891 | | * |
1892 | | * \brief |
1893 | | * This function allocates memory required by Decoder. |
1894 | | * |
1895 | | * \param ps_dec: Pointer to dec_struct_t. |
1896 | | * |
1897 | | * \return |
1898 | | * Returns i4_status as returned by MemManager. |
1899 | | * |
1900 | | ************************************************************************** |
1901 | | */ |
1902 | | WORD16 ih264d_allocate_dynamic_bufs(dec_struct_t * ps_dec) |
1903 | 26.8k | { |
1904 | 26.8k | struct MemReq s_MemReq; |
1905 | 26.8k | struct MemBlock *p_MemBlock; |
1906 | | |
1907 | 26.8k | pred_info_t *ps_pred_frame; |
1908 | 26.8k | dec_mb_info_t *ps_frm_mb_info; |
1909 | 26.8k | dec_slice_struct_t *ps_dec_slice_buf; |
1910 | 26.8k | UWORD8 *pu1_dec_mb_map, *pu1_recon_mb_map; |
1911 | 26.8k | UWORD16 *pu2_slice_num_map; |
1912 | | |
1913 | 26.8k | WORD16 *pi16_res_coeff; |
1914 | 26.8k | WORD16 i16_status = 0; |
1915 | 26.8k | UWORD8 uc_frmOrFld = (1 - ps_dec->ps_cur_sps->u1_frame_mbs_only_flag); |
1916 | 26.8k | UWORD16 u4_luma_wd = ps_dec->u2_frm_wd_y; |
1917 | 26.8k | UWORD16 u4_chroma_wd = ps_dec->u2_frm_wd_uv; |
1918 | 26.8k | WORD8 c_i = 0; |
1919 | 26.8k | dec_seq_params_t *ps_sps = ps_dec->ps_cur_sps; |
1920 | 26.8k | UWORD32 u4_total_mbs = ps_sps->u2_total_num_of_mbs << uc_frmOrFld; |
1921 | 26.8k | UWORD32 u4_wd_mbs = ps_dec->u2_frm_wd_in_mbs; |
1922 | 26.8k | UWORD32 u4_ht_mbs = ps_dec->u2_frm_ht_in_mbs; |
1923 | 26.8k | UWORD32 u4_blk_wd; |
1924 | 26.8k | UWORD32 ui_size = 0; |
1925 | 26.8k | UWORD32 u4_int_scratch_size = 0, u4_ref_pred_size = 0; |
1926 | 26.8k | UWORD8 *pu1_buf; |
1927 | 26.8k | WORD32 num_entries; |
1928 | 26.8k | WORD32 size; |
1929 | 26.8k | void *pv_buf; |
1930 | 26.8k | UWORD32 u4_num_bufs; |
1931 | 26.8k | UWORD32 u4_luma_size, u4_chroma_size; |
1932 | 26.8k | void *pv_mem_ctxt = ps_dec->pv_mem_ctxt; |
1933 | | |
1934 | 26.8k | size = u4_total_mbs; |
1935 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
1936 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
1937 | 26.8k | memset(pv_buf, 0, size); |
1938 | 26.8k | ps_dec->pu1_dec_mb_map = pv_buf; |
1939 | | |
1940 | 26.8k | size = u4_total_mbs; |
1941 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
1942 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
1943 | 26.8k | memset(pv_buf, 0, size); |
1944 | 26.8k | ps_dec->pu1_recon_mb_map = pv_buf; |
1945 | | |
1946 | 26.8k | size = u4_total_mbs * sizeof(UWORD16); |
1947 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
1948 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
1949 | 26.8k | memset(pv_buf, 0, size); |
1950 | 26.8k | ps_dec->pu2_slice_num_map = pv_buf; |
1951 | | |
1952 | | /************************************************************/ |
1953 | | /* Post allocation Initialisations */ |
1954 | | /************************************************************/ |
1955 | 26.8k | ps_dec->ps_parse_cur_slice = &(ps_dec->ps_dec_slice_buf[0]); |
1956 | 26.8k | ps_dec->ps_decode_cur_slice = &(ps_dec->ps_dec_slice_buf[0]); |
1957 | 26.8k | ps_dec->ps_computebs_cur_slice = &(ps_dec->ps_dec_slice_buf[0]); |
1958 | | |
1959 | 26.8k | ps_dec->ps_pred_start = ps_dec->ps_pred; |
1960 | | |
1961 | 26.8k | size = sizeof(parse_pmbarams_t) * (ps_dec->u1_recon_mb_grp); |
1962 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
1963 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
1964 | 26.8k | memset(pv_buf, 0, size); |
1965 | 26.8k | ps_dec->ps_parse_mb_data = pv_buf; |
1966 | | |
1967 | 26.8k | size = sizeof(parse_part_params_t) |
1968 | 26.8k | * ((ps_dec->u1_recon_mb_grp) << 4); |
1969 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
1970 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
1971 | 26.8k | memset(pv_buf, 0, size); |
1972 | 26.8k | ps_dec->ps_parse_part_params = pv_buf; |
1973 | | |
1974 | 26.8k | size = ((u4_wd_mbs * sizeof(deblkmb_neighbour_t)) << uc_frmOrFld); |
1975 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
1976 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
1977 | 26.8k | memset(pv_buf, 0, size); |
1978 | 26.8k | ps_dec->ps_deblk_top_mb = pv_buf; |
1979 | | |
1980 | 26.8k | size = ((sizeof(ctxt_inc_mb_info_t)) |
1981 | 26.8k | * (((u4_wd_mbs + 1) << uc_frmOrFld) + 1)); |
1982 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
1983 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
1984 | 26.8k | memset(pv_buf, 0, size); |
1985 | 26.8k | ps_dec->p_ctxt_inc_mb_map = pv_buf; |
1986 | | |
1987 | | /* 0th entry of CtxtIncMbMap will be always be containing default values |
1988 | | for CABAC context representing MB not available */ |
1989 | 26.8k | ps_dec->p_ctxt_inc_mb_map += 1; |
1990 | | |
1991 | 26.8k | size = (sizeof(mv_pred_t) * ps_dec->u1_recon_mb_grp |
1992 | 26.8k | * 16); |
1993 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
1994 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
1995 | 26.8k | memset(pv_buf, 0, size); |
1996 | 26.8k | ps_dec->ps_mv_p[0] = pv_buf; |
1997 | | |
1998 | 26.8k | size = (sizeof(mv_pred_t) * ps_dec->u1_recon_mb_grp |
1999 | 26.8k | * 16); |
2000 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2001 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2002 | 26.8k | memset(pv_buf, 0, size); |
2003 | 26.8k | ps_dec->ps_mv_p[1] = pv_buf; |
2004 | | |
2005 | 26.8k | { |
2006 | 26.8k | UWORD8 i; |
2007 | 134k | for(i = 0; i < MV_SCRATCH_BUFS; i++) |
2008 | 107k | { |
2009 | 107k | size = (sizeof(mv_pred_t) |
2010 | 107k | * ps_dec->u1_recon_mb_grp * 4); |
2011 | 107k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2012 | 107k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2013 | 107k | memset(pv_buf, 0, size); |
2014 | 107k | ps_dec->ps_mv_top_p[i] = pv_buf; |
2015 | 107k | } |
2016 | 26.8k | } |
2017 | | |
2018 | 26.8k | size = sizeof(UWORD8) * ((u4_wd_mbs + 2) * MB_SIZE) * 2; |
2019 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2020 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2021 | 26.8k | ps_dec->pu1_y_intra_pred_line = pv_buf; |
2022 | 26.8k | memset(ps_dec->pu1_y_intra_pred_line, 0, size); |
2023 | 26.8k | ps_dec->pu1_y_intra_pred_line += MB_SIZE; |
2024 | | |
2025 | 26.8k | size = sizeof(UWORD8) * ((u4_wd_mbs + 2) * MB_SIZE) * 2; |
2026 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2027 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2028 | 26.8k | ps_dec->pu1_u_intra_pred_line = pv_buf; |
2029 | 26.8k | memset(ps_dec->pu1_u_intra_pred_line, 0, size); |
2030 | 26.8k | ps_dec->pu1_u_intra_pred_line += MB_SIZE; |
2031 | | |
2032 | 26.8k | size = sizeof(UWORD8) * ((u4_wd_mbs + 2) * MB_SIZE) * 2; |
2033 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2034 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2035 | 26.8k | ps_dec->pu1_v_intra_pred_line = pv_buf; |
2036 | 26.8k | memset(ps_dec->pu1_v_intra_pred_line, 0, size); |
2037 | 26.8k | ps_dec->pu1_v_intra_pred_line += MB_SIZE; |
2038 | | |
2039 | 26.8k | if(ps_dec->u1_separate_parse) |
2040 | 8.13k | { |
2041 | | /* Needs one extra row of info, to hold top row data */ |
2042 | 8.13k | size = sizeof(mb_neigbour_params_t) |
2043 | 8.13k | * 2 * ((u4_wd_mbs + 2) * (u4_ht_mbs + 1)); |
2044 | 8.13k | } |
2045 | 18.7k | else |
2046 | 18.7k | { |
2047 | 18.7k | size = sizeof(mb_neigbour_params_t) |
2048 | 18.7k | * 2 * ((u4_wd_mbs + 2) << uc_frmOrFld); |
2049 | 18.7k | } |
2050 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2051 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2052 | | |
2053 | 26.8k | ps_dec->ps_nbr_mb_row = pv_buf; |
2054 | 26.8k | memset(ps_dec->ps_nbr_mb_row, 0, size); |
2055 | | |
2056 | | /* Allocate deblock MB info */ |
2057 | 26.8k | size = (u4_total_mbs + u4_wd_mbs) * sizeof(deblk_mb_t); |
2058 | | |
2059 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2060 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2061 | 26.8k | ps_dec->ps_deblk_pic = pv_buf; |
2062 | | |
2063 | 26.8k | memset(ps_dec->ps_deblk_pic, 0, size); |
2064 | | |
2065 | | /* Allocate frame level mb info */ |
2066 | 26.8k | size = sizeof(dec_mb_info_t) * u4_total_mbs; |
2067 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2068 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2069 | 26.8k | ps_dec->ps_frm_mb_info = pv_buf; |
2070 | 26.8k | memset(ps_dec->ps_frm_mb_info, 0, size); |
2071 | | |
2072 | | /* Allocate memory for slice headers dec_slice_struct_t */ |
2073 | 26.8k | num_entries = MAX_FRAMES; |
2074 | 26.8k | if((1 >= ps_dec->ps_cur_sps->u1_num_ref_frames) && |
2075 | 26.8k | (0 == ps_dec->i4_display_delay)) |
2076 | 0 | { |
2077 | 0 | num_entries = 1; |
2078 | 0 | } |
2079 | 26.8k | num_entries = ((2 * num_entries) + 1); |
2080 | 26.8k | num_entries *= 2; |
2081 | | |
2082 | 26.8k | size = num_entries * sizeof(void *); |
2083 | 26.8k | size += PAD_MAP_IDX_POC * sizeof(void *); |
2084 | 26.8k | size *= u4_total_mbs; |
2085 | 26.8k | size += sizeof(dec_slice_struct_t) * u4_total_mbs; |
2086 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2087 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2088 | | |
2089 | 26.8k | ps_dec->ps_dec_slice_buf = pv_buf; |
2090 | 26.8k | memset(ps_dec->ps_dec_slice_buf, 0, size); |
2091 | 26.8k | pu1_buf = (UWORD8 *)ps_dec->ps_dec_slice_buf; |
2092 | 26.8k | pu1_buf += sizeof(dec_slice_struct_t) * u4_total_mbs; |
2093 | 26.8k | ps_dec->pv_map_ref_idx_to_poc_buf = (void *)pu1_buf; |
2094 | | |
2095 | | /* Allocate memory for packed pred info */ |
2096 | 26.8k | num_entries = u4_total_mbs; |
2097 | 26.8k | num_entries *= 16 * 2; |
2098 | | |
2099 | 26.8k | size = sizeof(pred_info_pkd_t) * num_entries; |
2100 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2101 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2102 | 26.8k | memset(pv_buf, 0, size); |
2103 | 26.8k | ps_dec->ps_pred_pkd = pv_buf; |
2104 | | |
2105 | | /* Allocate memory for coeff data */ |
2106 | 26.8k | size = MB_LUM_SIZE * sizeof(WORD16); |
2107 | | /*For I16x16 MBs, 16 4x4 AC coeffs and 1 4x4 DC coeff TU blocks will be sent |
2108 | | For all MBs along with 8 4x4 AC coeffs 2 2x2 DC coeff TU blocks will be sent |
2109 | | So use 17 4x4 TU blocks for luma and 9 4x4 TU blocks for chroma */ |
2110 | 26.8k | size += u4_total_mbs * (MAX(17 * sizeof(tu_sblk4x4_coeff_data_t),4 * sizeof(tu_blk8x8_coeff_data_t)) |
2111 | 26.8k | + 9 * sizeof(tu_sblk4x4_coeff_data_t)); |
2112 | | //32 bytes for each mb to store u1_prev_intra4x4_pred_mode and u1_rem_intra4x4_pred_mode data |
2113 | 26.8k | size += u4_total_mbs * 32; |
2114 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2115 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2116 | 26.8k | memset(pv_buf, 0, size); |
2117 | | |
2118 | 26.8k | ps_dec->pi2_coeff_data = pv_buf; |
2119 | | |
2120 | 26.8k | ps_dec->pv_pic_tu_coeff_data = (void *)(ps_dec->pi2_coeff_data + MB_LUM_SIZE); |
2121 | | |
2122 | | /* Allocate MV bank buffer */ |
2123 | 26.8k | { |
2124 | 26.8k | UWORD32 col_flag_buffer_size, mvpred_buffer_size; |
2125 | | |
2126 | 26.8k | col_flag_buffer_size = ((ps_dec->u2_pic_wd * ps_dec->u2_pic_ht) >> 4); |
2127 | 26.8k | mvpred_buffer_size = sizeof(mv_pred_t) |
2128 | 26.8k | * ((ps_dec->u2_pic_wd * (ps_dec->u2_pic_ht + PAD_MV_BANK_ROW)) >> 4); |
2129 | | |
2130 | 26.8k | u4_num_bufs = ps_dec->ps_cur_sps->u1_num_ref_frames + 1; |
2131 | | |
2132 | 26.8k | u4_num_bufs = MIN(u4_num_bufs, ps_dec->u1_pic_bufs); |
2133 | 26.8k | u4_num_bufs = MAX(u4_num_bufs, 2); |
2134 | 26.8k | size = ALIGN64(mvpred_buffer_size) + ALIGN64(col_flag_buffer_size); |
2135 | 26.8k | size *= u4_num_bufs; |
2136 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2137 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2138 | 26.8k | memset(pv_buf, 0, size); |
2139 | 26.8k | ps_dec->pu1_mv_bank_buf_base = pv_buf; |
2140 | 26.8k | } |
2141 | | |
2142 | | /* Allocate Pic buffer */ |
2143 | 0 | u4_luma_size = ps_dec->u2_frm_wd_y * ps_dec->u2_frm_ht_y; |
2144 | 26.8k | u4_chroma_size = ps_dec->u2_frm_wd_uv * ps_dec->u2_frm_ht_uv; |
2145 | | |
2146 | 26.8k | { |
2147 | 26.8k | if(ps_dec->u4_share_disp_buf == 1) |
2148 | 0 | { |
2149 | | /* In case of buffers getting shared between application and library |
2150 | | there is no need of reference memtabs. Instead of setting the i4_size |
2151 | | to zero, it is reduced to a small i4_size to ensure that changes |
2152 | | in the code are minimal */ |
2153 | 0 | if((ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
2154 | 0 | || (ps_dec->u1_chroma_format == IV_YUV_420SP_VU) |
2155 | 0 | || (ps_dec->u1_chroma_format == IV_YUV_420P)) |
2156 | 0 | { |
2157 | 0 | u4_luma_size = 64; |
2158 | 0 | } |
2159 | |
|
2160 | 0 | if(ps_dec->u1_chroma_format == IV_YUV_420SP_UV) |
2161 | 0 | { |
2162 | 0 | u4_chroma_size = 64; |
2163 | 0 | } |
2164 | |
|
2165 | 0 | } |
2166 | 26.8k | } |
2167 | | |
2168 | 26.8k | size = ALIGN64(u4_luma_size) + ALIGN64(u4_chroma_size); |
2169 | 26.8k | size *= ps_dec->u1_pic_bufs; |
2170 | 26.8k | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2171 | 26.8k | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2172 | 26.8k | memset(pv_buf, 0, size); |
2173 | 26.8k | ps_dec->pu1_pic_buf_base = pv_buf; |
2174 | | |
2175 | | /* Allocate memory for mb_info maps */ |
2176 | 26.8k | if(ps_dec->u1_enable_mb_info) |
2177 | 0 | { |
2178 | 0 | size = (u4_total_mbs << 2) * MAX_DISP_BUFS_NEW; |
2179 | |
|
2180 | 0 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2181 | 0 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2182 | 0 | memset(pv_buf, 0, size); |
2183 | 0 | ps_dec->pu1_qp_map_base = pv_buf; |
2184 | |
|
2185 | 0 | pv_buf = ps_dec->pf_aligned_alloc(pv_mem_ctxt, 128, size); |
2186 | 0 | RETURN_IF((NULL == pv_buf), IV_FAIL); |
2187 | 0 | memset(pv_buf, 0, size); |
2188 | 0 | ps_dec->pu1_mb_type_map_base = pv_buf; |
2189 | 0 | } |
2190 | | |
2191 | | /* Post allocation Increment Actions */ |
2192 | | |
2193 | | /***************************************************************************/ |
2194 | | /*Initialize cabac context pointers for every SE that has fixed contextIdx */ |
2195 | | /***************************************************************************/ |
2196 | 26.8k | { |
2197 | 26.8k | bin_ctxt_model_t * const p_cabac_ctxt_table_t = |
2198 | 26.8k | ps_dec->p_cabac_ctxt_table_t; |
2199 | 26.8k | bin_ctxt_model_t * * p_coeff_abs_level_minus1_t = |
2200 | 26.8k | ps_dec->p_coeff_abs_level_minus1_t; |
2201 | 26.8k | bin_ctxt_model_t * * p_cbf_t = ps_dec->p_cbf_t; |
2202 | | |
2203 | 26.8k | ps_dec->p_mb_field_dec_flag_t = p_cabac_ctxt_table_t |
2204 | 26.8k | + MB_FIELD_DECODING_FLAG; |
2205 | 26.8k | ps_dec->p_prev_intra4x4_pred_mode_flag_t = p_cabac_ctxt_table_t |
2206 | 26.8k | + PREV_INTRA4X4_PRED_MODE_FLAG; |
2207 | 26.8k | ps_dec->p_rem_intra4x4_pred_mode_t = p_cabac_ctxt_table_t |
2208 | 26.8k | + REM_INTRA4X4_PRED_MODE; |
2209 | 26.8k | ps_dec->p_intra_chroma_pred_mode_t = p_cabac_ctxt_table_t |
2210 | 26.8k | + INTRA_CHROMA_PRED_MODE; |
2211 | 26.8k | ps_dec->p_mb_qp_delta_t = p_cabac_ctxt_table_t + MB_QP_DELTA; |
2212 | 26.8k | ps_dec->p_ref_idx_t = p_cabac_ctxt_table_t + REF_IDX; |
2213 | 26.8k | ps_dec->p_mvd_x_t = p_cabac_ctxt_table_t + MVD_X; |
2214 | 26.8k | ps_dec->p_mvd_y_t = p_cabac_ctxt_table_t + MVD_Y; |
2215 | 26.8k | p_cbf_t[0] = p_cabac_ctxt_table_t + CBF + 0; |
2216 | 26.8k | p_cbf_t[1] = p_cabac_ctxt_table_t + CBF + 4; |
2217 | 26.8k | p_cbf_t[2] = p_cabac_ctxt_table_t + CBF + 8; |
2218 | 26.8k | p_cbf_t[3] = p_cabac_ctxt_table_t + CBF + 12; |
2219 | 26.8k | p_cbf_t[4] = p_cabac_ctxt_table_t + CBF + 16; |
2220 | 26.8k | ps_dec->p_cbp_luma_t = p_cabac_ctxt_table_t + CBP_LUMA; |
2221 | 26.8k | ps_dec->p_cbp_chroma_t = p_cabac_ctxt_table_t + CBP_CHROMA; |
2222 | | |
2223 | 26.8k | p_coeff_abs_level_minus1_t[LUMA_DC_CTXCAT] = p_cabac_ctxt_table_t |
2224 | 26.8k | + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_0_OFFSET; |
2225 | | |
2226 | 26.8k | p_coeff_abs_level_minus1_t[LUMA_AC_CTXCAT] = p_cabac_ctxt_table_t |
2227 | 26.8k | + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_1_OFFSET; |
2228 | | |
2229 | 26.8k | p_coeff_abs_level_minus1_t[LUMA_4X4_CTXCAT] = p_cabac_ctxt_table_t |
2230 | 26.8k | + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_2_OFFSET; |
2231 | | |
2232 | 26.8k | p_coeff_abs_level_minus1_t[CHROMA_DC_CTXCAT] = p_cabac_ctxt_table_t |
2233 | 26.8k | + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_3_OFFSET; |
2234 | | |
2235 | 26.8k | p_coeff_abs_level_minus1_t[CHROMA_AC_CTXCAT] = p_cabac_ctxt_table_t |
2236 | 26.8k | + COEFF_ABS_LEVEL_MINUS1 + COEFF_ABS_LEVEL_CAT_4_OFFSET; |
2237 | | |
2238 | 26.8k | p_coeff_abs_level_minus1_t[LUMA_8X8_CTXCAT] = p_cabac_ctxt_table_t |
2239 | 26.8k | + COEFF_ABS_LEVEL_MINUS1_8X8 |
2240 | 26.8k | + COEFF_ABS_LEVEL_CAT_5_OFFSET; |
2241 | | |
2242 | | /********************************************************/ |
2243 | | /* context for the high profile related syntax elements */ |
2244 | | /* This is maintained seperately in s_high_profile */ |
2245 | | /********************************************************/ |
2246 | 26.8k | { |
2247 | | |
2248 | 26.8k | ps_dec->s_high_profile.ps_transform8x8_flag = p_cabac_ctxt_table_t |
2249 | 26.8k | + TRANSFORM_SIZE_8X8_FLAG; |
2250 | | |
2251 | 26.8k | ps_dec->s_high_profile.ps_sigcoeff_8x8_frame = p_cabac_ctxt_table_t |
2252 | 26.8k | + SIGNIFICANT_COEFF_FLAG_8X8_FRAME; |
2253 | | |
2254 | 26.8k | ps_dec->s_high_profile.ps_last_sigcoeff_8x8_frame = |
2255 | 26.8k | p_cabac_ctxt_table_t |
2256 | 26.8k | + LAST_SIGNIFICANT_COEFF_FLAG_8X8_FRAME; |
2257 | | |
2258 | 26.8k | ps_dec->s_high_profile.ps_coeff_abs_levelminus1 = |
2259 | 26.8k | p_cabac_ctxt_table_t + COEFF_ABS_LEVEL_MINUS1_8X8; |
2260 | | |
2261 | 26.8k | ps_dec->s_high_profile.ps_sigcoeff_8x8_field = p_cabac_ctxt_table_t |
2262 | 26.8k | + SIGNIFICANT_COEFF_FLAG_8X8_FIELD; |
2263 | | |
2264 | 26.8k | ps_dec->s_high_profile.ps_last_sigcoeff_8x8_field = |
2265 | 26.8k | p_cabac_ctxt_table_t |
2266 | 26.8k | + LAST_SIGNIFICANT_COEFF_FLAG_8X8_FIELD; |
2267 | 26.8k | } |
2268 | 26.8k | } |
2269 | 26.8k | return (i16_status); |
2270 | 26.8k | } |
2271 | | |
2272 | | /*! |
2273 | | ************************************************************************** |
2274 | | * \if Function name : ih264d_free_dynamic_bufs \endif |
2275 | | * |
2276 | | * \brief |
2277 | | * This function frees dynamic memory allocated by Decoder. |
2278 | | * |
2279 | | * \param ps_dec: Pointer to dec_struct_t. |
2280 | | * |
2281 | | * \return |
2282 | | * Returns i4_status as returned by MemManager. |
2283 | | * |
2284 | | ************************************************************************** |
2285 | | */ |
2286 | | WORD16 ih264d_free_dynamic_bufs(dec_struct_t * ps_dec) |
2287 | 156k | { |
2288 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_bits_buf_dynamic); |
2289 | | |
2290 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_deblk_pic); |
2291 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_dec_mb_map); |
2292 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_recon_mb_map); |
2293 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu2_slice_num_map); |
2294 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_dec_slice_buf); |
2295 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_frm_mb_info); |
2296 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pi2_coeff_data); |
2297 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_parse_mb_data); |
2298 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_parse_part_params); |
2299 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_deblk_top_mb); |
2300 | | |
2301 | 156k | if(ps_dec->p_ctxt_inc_mb_map) |
2302 | 26.8k | { |
2303 | 26.8k | ps_dec->p_ctxt_inc_mb_map -= 1; |
2304 | 26.8k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->p_ctxt_inc_mb_map); |
2305 | 26.8k | } |
2306 | | |
2307 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_p[0]); |
2308 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_p[1]); |
2309 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_pred_pkd); |
2310 | 156k | { |
2311 | 156k | UWORD8 i; |
2312 | 780k | for(i = 0; i < MV_SCRATCH_BUFS; i++) |
2313 | 624k | { |
2314 | 624k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_mv_top_p[i]); |
2315 | 624k | } |
2316 | 156k | } |
2317 | | |
2318 | 156k | if(ps_dec->pu1_y_intra_pred_line) |
2319 | 26.8k | { |
2320 | 26.8k | ps_dec->pu1_y_intra_pred_line -= MB_SIZE; |
2321 | 26.8k | } |
2322 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_y_intra_pred_line); |
2323 | | |
2324 | 156k | if(ps_dec->pu1_u_intra_pred_line) |
2325 | 26.8k | { |
2326 | 26.8k | ps_dec->pu1_u_intra_pred_line -= MB_SIZE; |
2327 | 26.8k | } |
2328 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_u_intra_pred_line); |
2329 | | |
2330 | 156k | if(ps_dec->pu1_v_intra_pred_line) |
2331 | 26.8k | { |
2332 | 26.8k | ps_dec->pu1_v_intra_pred_line -= MB_SIZE; |
2333 | 26.8k | } |
2334 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_v_intra_pred_line); |
2335 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->ps_nbr_mb_row); |
2336 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_mv_bank_buf_base); |
2337 | 156k | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_pic_buf_base); |
2338 | | |
2339 | | /* Free memory for mb_info maps */ |
2340 | 156k | if(ps_dec->u1_enable_mb_info) |
2341 | 0 | { |
2342 | 0 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_qp_map_base); |
2343 | 0 | PS_DEC_ALIGNED_FREE(ps_dec, ps_dec->pu1_mb_type_map_base); |
2344 | 0 | } |
2345 | 156k | return 0; |
2346 | 156k | } |
2347 | | |
2348 | | /*! |
2349 | | ************************************************************************** |
2350 | | * \if Function name : ih264d_create_mv_bank \endif |
2351 | | * |
2352 | | * \brief |
2353 | | * This function creates MV bank. |
2354 | | * |
2355 | | * \param memType : Type of memory being handled |
2356 | | * 0: Display Buffer |
2357 | | * 1: Decoder Buffer |
2358 | | * 2: Internal Buffer |
2359 | | * \param u1_num_of_buf: Number of decode or display buffers. |
2360 | | * \param u4_wd : Frame width. |
2361 | | * \param u4_ht : Frame Height. |
2362 | | * \param ps_pic_buf_api : Pointer to Picture Buffer API. |
2363 | | * \param ih264d_dec_mem_manager : Memory manager utility supplied by system. |
2364 | | * |
2365 | | * \return |
2366 | | * 0 on Success and -1 on error |
2367 | | * |
2368 | | ************************************************************************** |
2369 | | */ |
2370 | | WORD32 ih264d_create_mv_bank(void *pv_dec, |
2371 | | UWORD32 ui_width, |
2372 | | UWORD32 ui_height) |
2373 | 26.8k | { |
2374 | 26.8k | UWORD8 i; |
2375 | 26.8k | UWORD32 col_flag_buffer_size, mvpred_buffer_size; |
2376 | 26.8k | UWORD8 *pu1_mv_buf_mgr_base, *pu1_mv_bank_base; |
2377 | 26.8k | col_mv_buf_t *ps_col_mv; |
2378 | 26.8k | mv_pred_t *ps_mv; |
2379 | 26.8k | UWORD8 *pu1_col_zero_flag_buf; |
2380 | 26.8k | dec_struct_t *ps_dec = (dec_struct_t *)pv_dec; |
2381 | 26.8k | WORD32 buf_ret; |
2382 | 26.8k | UWORD32 u4_num_bufs; |
2383 | 26.8k | UWORD8 *pu1_buf; |
2384 | 26.8k | WORD32 size; |
2385 | 26.8k | void *pv_mem_ctxt = ps_dec->pv_mem_ctxt; |
2386 | | |
2387 | 26.8k | col_flag_buffer_size = ((ui_width * ui_height) >> 4); |
2388 | 26.8k | mvpred_buffer_size = sizeof(mv_pred_t) |
2389 | 26.8k | * ((ui_width * (ui_height + PAD_MV_BANK_ROW)) >> 4); |
2390 | | |
2391 | 26.8k | ih264_buf_mgr_init((buf_mgr_t *)ps_dec->pv_mv_buf_mgr); |
2392 | | |
2393 | 26.8k | ps_col_mv = ps_dec->ps_col_mv_base; |
2394 | | |
2395 | 26.8k | u4_num_bufs = ps_dec->ps_cur_sps->u1_num_ref_frames + 1; |
2396 | | |
2397 | 26.8k | u4_num_bufs = MIN(u4_num_bufs, ps_dec->u1_pic_bufs); |
2398 | 26.8k | u4_num_bufs = MAX(u4_num_bufs, 2); |
2399 | 26.8k | pu1_buf = ps_dec->pu1_mv_bank_buf_base; |
2400 | 111k | for(i = 0 ; i < u4_num_bufs ; i++) |
2401 | 84.7k | { |
2402 | 84.7k | pu1_col_zero_flag_buf = pu1_buf; |
2403 | 84.7k | pu1_buf += ALIGN64(col_flag_buffer_size); |
2404 | | |
2405 | 84.7k | ps_mv = (mv_pred_t *)pu1_buf; |
2406 | 84.7k | pu1_buf += ALIGN64(mvpred_buffer_size); |
2407 | | |
2408 | 84.7k | memset(ps_mv, 0, ((ui_width * OFFSET_MV_BANK_ROW) >> 4) * sizeof(mv_pred_t)); |
2409 | 84.7k | ps_mv += (ui_width*OFFSET_MV_BANK_ROW) >> 4; |
2410 | | |
2411 | 84.7k | ps_col_mv->pv_col_zero_flag = (void *)pu1_col_zero_flag_buf; |
2412 | 84.7k | ps_col_mv->pv_mv = (void *)ps_mv; |
2413 | 84.7k | buf_ret = ih264_buf_mgr_add((buf_mgr_t *)ps_dec->pv_mv_buf_mgr, ps_col_mv, i); |
2414 | 84.7k | if(0 != buf_ret) |
2415 | 0 | { |
2416 | 0 | ps_dec->i4_error_code = ERROR_BUF_MGR; |
2417 | 0 | return ERROR_BUF_MGR; |
2418 | 0 | } |
2419 | 84.7k | ps_col_mv++; |
2420 | 84.7k | } |
2421 | 26.8k | return OK; |
2422 | 26.8k | } |
2423 | | |
2424 | | void ih264d_unpack_coeff4x4_dc_4x4blk(tu_sblk4x4_coeff_data_t *ps_tu_4x4, |
2425 | | WORD16 *pi2_out_coeff_data, |
2426 | | UWORD8 *pu1_inv_scan) |
2427 | 878k | { |
2428 | 878k | UWORD16 u2_sig_coeff_map = ps_tu_4x4->u2_sig_coeff_map; |
2429 | 878k | WORD32 idx; |
2430 | 878k | WORD16 *pi2_coeff_data = &ps_tu_4x4->ai2_level[0]; |
2431 | | |
2432 | 2.44M | while(u2_sig_coeff_map) |
2433 | 1.56M | { |
2434 | 1.56M | idx = CLZ(u2_sig_coeff_map); |
2435 | | |
2436 | 1.56M | idx = 31 - idx; |
2437 | 1.56M | RESET_BIT(u2_sig_coeff_map,idx); |
2438 | | |
2439 | 1.56M | idx = pu1_inv_scan[idx]; |
2440 | 1.56M | pi2_out_coeff_data[idx] = *pi2_coeff_data++; |
2441 | | |
2442 | 1.56M | } |
2443 | 878k | } |