1 /*
2 * Copyright 2021 Rockchip Electronics Co. LTD
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define MODULE_TAG "av1d_parser"
18
19 #include <stdlib.h>
20 #include <string.h>
21
22 #include "mpp_env.h"
23 #include "mpp_mem.h"
24 #include "mpp_debug.h"
25 #include "mpp_common.h"
26 #include "mpp_compat_impl.h"
27 #include "rk_hdr_meta_com.h"
28
29 #include "mpp_bitread.h"
30 #include "mpp_packet_impl.h"
31
32 #include "av1d_parser.h"
33 #include "mpp_dec_cb_param.h"
34 #include "mpp_frame_impl.h"
35
36 RK_U32 av1d_debug = 0;
37
38 static const RK_S16 div_lut[AV1_DIV_LUT_NUM] = {
39 16384, 16320, 16257, 16194, 16132, 16070, 16009, 15948, 15888, 15828, 15768,
40 15709, 15650, 15592, 15534, 15477, 15420, 15364, 15308, 15252, 15197, 15142,
41 15087, 15033, 14980, 14926, 14873, 14821, 14769, 14717, 14665, 14614, 14564,
42 14513, 14463, 14413, 14364, 14315, 14266, 14218, 14170, 14122, 14075, 14028,
43 13981, 13935, 13888, 13843, 13797, 13752, 13707, 13662, 13618, 13574, 13530,
44 13487, 13443, 13400, 13358, 13315, 13273, 13231, 13190, 13148, 13107, 13066,
45 13026, 12985, 12945, 12906, 12866, 12827, 12788, 12749, 12710, 12672, 12633,
46 12596, 12558, 12520, 12483, 12446, 12409, 12373, 12336, 12300, 12264, 12228,
47 12193, 12157, 12122, 12087, 12053, 12018, 11984, 11950, 11916, 11882, 11848,
48 11815, 11782, 11749, 11716, 11683, 11651, 11619, 11586, 11555, 11523, 11491,
49 11460, 11429, 11398, 11367, 11336, 11305, 11275, 11245, 11215, 11185, 11155,
50 11125, 11096, 11067, 11038, 11009, 10980, 10951, 10923, 10894, 10866, 10838,
51 10810, 10782, 10755, 10727, 10700, 10673, 10645, 10618, 10592, 10565, 10538,
52 10512, 10486, 10460, 10434, 10408, 10382, 10356, 10331, 10305, 10280, 10255,
53 10230, 10205, 10180, 10156, 10131, 10107, 10082, 10058, 10034, 10010, 9986,
54 9963, 9939, 9916, 9892, 9869, 9846, 9823, 9800, 9777, 9754, 9732,
55 9709, 9687, 9664, 9642, 9620, 9598, 9576, 9554, 9533, 9511, 9489,
56 9468, 9447, 9425, 9404, 9383, 9362, 9341, 9321, 9300, 9279, 9259,
57 9239, 9218, 9198, 9178, 9158, 9138, 9118, 9098, 9079, 9059, 9039,
58 9020, 9001, 8981, 8962, 8943, 8924, 8905, 8886, 8867, 8849, 8830,
59 8812, 8793, 8775, 8756, 8738, 8720, 8702, 8684, 8666, 8648, 8630,
60 8613, 8595, 8577, 8560, 8542, 8525, 8508, 8490, 8473, 8456, 8439,
61 8422, 8405, 8389, 8372, 8355, 8339, 8322, 8306, 8289, 8273, 8257,
62 8240, 8224, 8208, 8192
63 };
64
65 /**
66 * Clip a signed integer into the -(2^p),(2^p-1) range.
67 * @param a value to clip
68 * @param p bit position to clip at
69 * @return clipped value
70 */
mpp_clip_uintp2(RK_S32 a,RK_S32 p)71 static RK_U32 mpp_clip_uintp2(RK_S32 a, RK_S32 p)
72 {
73 if (a & ~((1 << p) - 1)) return -a >> 31 & ((1 << p) - 1);
74 else return a;
75 }
76
77 static const Av1UnitType unit_types[] = {
78 AV1_OBU_TEMPORAL_DELIMITER,
79 AV1_OBU_SEQUENCE_HEADER,
80 AV1_OBU_FRAME_HEADER,
81 AV1_OBU_TILE_GROUP,
82 AV1_OBU_METADATA,
83 AV1_OBU_FRAME,
84 };
85
get_pixel_format(Av1CodecContext * ctx)86 static MPP_RET get_pixel_format(Av1CodecContext *ctx)
87 {
88 AV1Context *s = ctx->priv_data;
89 const AV1RawSequenceHeader *seq = s->sequence_header;
90 uint8_t bit_depth = 8;;
91 MPP_RET ret = MPP_OK;
92 MppFrameFormat pix_fmt = MPP_FMT_BUTT;
93
94 if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
95 bit_depth = seq->color_config.twelve_bit ? 12 : 10;
96 else if (seq->seq_profile <= 2)
97 bit_depth = seq->color_config.high_bitdepth ? 10 : 8;
98 else {
99 mpp_err_f("Unknown AV1 profile %d.\n", seq->seq_profile);
100 return -1;
101 }
102
103 if (!seq->color_config.mono_chrome) {
104 // 4:4:4 x:0 y:0, 4:2:2 x:1 y:0, 4:2:0 x:1 y:1
105 if (seq->color_config.subsampling_x == 0 &&
106 seq->color_config.subsampling_y == 0) {
107 mpp_err_f("no support yuv444 AV1 pixel format.\n");
108 return -1;
109 } else if (seq->color_config.subsampling_x == 1 &&
110 seq->color_config.subsampling_y == 0) {
111 if (bit_depth == 8)
112 pix_fmt = MPP_FMT_YUV422P;
113 else {
114 mpp_err_f("no support yuv422 bit depth > 8\n");
115 return -1;
116 }
117 } else if (seq->color_config.subsampling_x == 1 &&
118 seq->color_config.subsampling_y == 1) {
119 if (bit_depth == 8)
120 pix_fmt = MPP_FMT_YUV420SP;
121 else if (bit_depth == 10) {
122 pix_fmt = MPP_FMT_YUV420SP_10BIT;
123 /* rk3588, allow user config 8bit for 10bit source. */
124 if ((ctx->usr_set_fmt & MPP_FRAME_FMT_MASK) == MPP_FMT_YUV420SP &&
125 (s->cfg->base.out_fmt & MPP_FRAME_FMT_MASK) == MPP_FMT_YUV420SP)
126 pix_fmt = MPP_FMT_YUV420SP;
127 } else {
128 mpp_err_f("no support MPP_FMT_YUV420SP bit depth > 8\n");
129 return -1;
130 }
131 }
132 } else {
133 mpp_err_f("no supprot PIX_FMT_GRAY pixel format.\n");
134 return -1;
135 }
136
137
138 if (pix_fmt == MPP_FMT_BUTT)
139 return -1;
140 ctx->pix_fmt = pix_fmt;
141 s->bit_depth = bit_depth;
142 return ret;
143 }
144
inverse_recenter(RK_S32 r,RK_U32 v)145 static RK_U32 inverse_recenter(RK_S32 r, RK_U32 v)
146 {
147 if ((RK_S32)v > 2 * r)
148 return v;
149 else if (v & 1)
150 return r - ((v + 1) >> 1);
151 else
152 return r + (v >> 1);
153 }
154
decode_unsigned_subexp_with_ref(RK_U32 sub_exp,RK_S32 mx,RK_S32 r)155 static RK_U32 decode_unsigned_subexp_with_ref(RK_U32 sub_exp,
156 RK_S32 mx, RK_S32 r)
157 {
158 if ((r << 1) <= mx) {
159 return inverse_recenter(r, sub_exp);
160 } else {
161 return mx - 1 - inverse_recenter(mx - 1 - r, sub_exp);
162 }
163 }
164
decode_signed_subexp_with_ref(RK_U32 sub_exp,RK_S32 low,RK_S32 high,RK_S32 r)165 static RK_S32 decode_signed_subexp_with_ref(RK_U32 sub_exp, RK_S32 low,
166 RK_S32 high, RK_S32 r)
167 {
168 RK_S32 x = decode_unsigned_subexp_with_ref(sub_exp, high - low, r - low);
169 return x + low;
170 }
171
read_global_param(AV1Context * s,RK_S32 type,RK_S32 ref,RK_S32 idx)172 static void read_global_param(AV1Context *s, RK_S32 type, RK_S32 ref, RK_S32 idx)
173 {
174 uint8_t primary_frame, prev_frame;
175 RK_U32 abs_bits, prec_bits, round, prec_diff, sub, mx;
176 RK_S32 r, prev_gm_param;
177
178 primary_frame = s->raw_frame_header->primary_ref_frame;
179 prev_frame = s->raw_frame_header->ref_frame_idx[primary_frame];
180 abs_bits = AV1_GM_ABS_ALPHA_BITS;
181 prec_bits = AV1_GM_ALPHA_PREC_BITS;
182
183 /* setup_past_independence() sets PrevGmParams to default values. We can
184 * simply point to the current's frame gm_params as they will be initialized
185 * with defaults at this point.
186 */
187 if (s->raw_frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE)
188 prev_gm_param = s->cur_frame.gm_params[ref].wmmat[idx];
189 else
190 prev_gm_param = s->ref[prev_frame].gm_params[ref].wmmat[idx];
191
192 if (idx < 2) {
193 if (type == AV1_WARP_MODEL_TRANSLATION) {
194 abs_bits = AV1_GM_ABS_TRANS_ONLY_BITS -
195 !s->raw_frame_header->allow_high_precision_mv;
196 prec_bits = AV1_GM_TRANS_ONLY_PREC_BITS -
197 !s->raw_frame_header->allow_high_precision_mv;
198 } else {
199 abs_bits = AV1_GM_ABS_TRANS_BITS;
200 prec_bits = AV1_GM_TRANS_PREC_BITS;
201 }
202 }
203 round = (idx % 3) == 2 ? (1 << AV1_WARPEDMODEL_PREC_BITS) : 0;
204 prec_diff = AV1_WARPEDMODEL_PREC_BITS - prec_bits;
205 sub = (idx % 3) == 2 ? (1 << prec_bits) : 0;
206 mx = 1 << abs_bits;
207 r = (prev_gm_param >> prec_diff) - sub;
208
209 s->cur_frame.gm_params[ref].wmmat[idx] =
210 (decode_signed_subexp_with_ref(s->raw_frame_header->gm_params[ref][idx],
211 -mx, mx + 1, r) << prec_diff) + round;
212 }
213
round_two(RK_U64 x,RK_U16 n)214 static RK_U16 round_two(RK_U64 x, RK_U16 n)
215 {
216 if (n == 0)
217 return x;
218 return ((x + ((RK_U64)1 << (n - 1))) >> n);
219 }
220
round_two_signed(RK_S64 x,RK_U16 n)221 static RK_S64 round_two_signed(RK_S64 x, RK_U16 n)
222 {
223 return ((x < 0) ? -((RK_S64)round_two(-x, n)) : (RK_S64)round_two(x, n));
224 }
225
226 /**
227 * Resolve divisor process.
228 * see spec 7.11.3.7
229 */
resolve_divisor(RK_U32 d,RK_S16 * shift)230 static RK_S16 resolve_divisor(RK_U32 d, RK_S16 *shift)
231 {
232 RK_S32 e, f;
233
234 *shift = mpp_log2(d);
235 e = d - (1 << (*shift));
236 if (*shift > AV1_DIV_LUT_BITS)
237 f = round_two(e, *shift - AV1_DIV_LUT_BITS);
238 else
239 f = e << (AV1_DIV_LUT_BITS - (*shift));
240
241 *shift += AV1_DIV_LUT_PREC_BITS;
242
243 return div_lut[f];
244 }
245
246 /**
247 * check if global motion params is valid.
248 * see spec 7.11.3.6
249 */
get_shear_params_valid(AV1Context * s,RK_S32 idx)250 static RK_U8 get_shear_params_valid(AV1Context *s, RK_S32 idx)
251 {
252 RK_S16 alpha, beta, gamma, delta, divf, divs;
253 RK_S64 v, w;
254 RK_S32 *param = &s->cur_frame.gm_params[idx].wmmat[0];
255
256 if (param[2] < 0)
257 return 0;
258
259 alpha = MPP_CLIP3(INT16_MIN, INT16_MAX, param[2] - (1 << AV1_WARPEDMODEL_PREC_BITS));
260 beta = MPP_CLIP3(INT16_MIN, INT16_MAX, param[3]);
261 divf = resolve_divisor(MPP_ABS(param[2]), &divs) * (param[2] < 0 ? -1 : 1);
262 v = (RK_S64)param[4] * (1 << AV1_WARPEDMODEL_PREC_BITS);
263 w = (RK_S64)param[3] * param[4];
264 gamma = MPP_CLIP3(INT16_MIN, INT16_MAX, (RK_S32)round_two_signed((v * divf), divs));
265 delta = MPP_CLIP3(INT16_MIN, INT16_MAX, param[5] - (RK_S32)round_two_signed((w * divf), divs) -
266 (1 << AV1_WARPEDMODEL_PREC_BITS));
267
268 alpha = round_two_signed(alpha, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
269 beta = round_two_signed(beta, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
270 gamma = round_two_signed(gamma, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
271 delta = round_two_signed(delta, AV1_WARP_PARAM_REDUCE_BITS) << AV1_WARP_PARAM_REDUCE_BITS;
272
273 s->cur_frame.gm_params[idx].alpha = alpha;
274 s->cur_frame.gm_params[idx].beta = beta;
275 s->cur_frame.gm_params[idx].gamma = gamma;
276 s->cur_frame.gm_params[idx].delta = delta;
277
278 if ((4 * MPP_ABS(alpha) + 7 * MPP_ABS(beta)) >= (1 << AV1_WARPEDMODEL_PREC_BITS) ||
279 (4 * MPP_ABS(gamma) + 4 * MPP_ABS(delta)) >= (1 << AV1_WARPEDMODEL_PREC_BITS))
280 return 0;
281
282 return 1;
283 }
284
285 /**
286 * update gm type/params, since cbs already implemented part of this funcation,
287 * so we don't need to full implement spec.
288 */
global_motion_params(AV1Context * s)289 static void global_motion_params(AV1Context *s)
290 {
291 const AV1RawFrameHeader *header = s->raw_frame_header;
292 RK_S32 type, ref;
293 RK_S32 i = 0;
294 AV1Context *ctx = s;
295
296 for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) {
297 s->cur_frame.gm_params[ref].wmtype = AV1_WARP_MODEL_IDENTITY;
298 for (i = 0; i < 6; i++)
299 s->cur_frame.gm_params[ref].wmmat[i] = (i % 3 == 2) ?
300 1 << AV1_WARPEDMODEL_PREC_BITS : 0;
301 }
302 if (header->frame_type == AV1_FRAME_KEY ||
303 header->frame_type == AV1_FRAME_INTRA_ONLY)
304 return;
305
306 for (ref = AV1_REF_FRAME_LAST; ref <= AV1_REF_FRAME_ALTREF; ref++) {
307 RK_U8 ref_uses_scaling = ctx->frame_width != ctx->ref_s[ref].frame_width ||
308 ctx->frame_height != ctx->ref_s[ref].frame_height;
309 RK_U32 shear_params_valid = 0;
310
311 if (header->is_global[ref]) {
312 if (header->is_rot_zoom[ref]) {
313 type = AV1_WARP_MODEL_ROTZOOM;
314 } else {
315 type = header->is_translation[ref] ? AV1_WARP_MODEL_TRANSLATION
316 : AV1_WARP_MODEL_AFFINE;
317 }
318 } else {
319 type = AV1_WARP_MODEL_IDENTITY;
320 }
321 s->cur_frame.gm_params[ref].wmtype = type;
322
323 if (type >= AV1_WARP_MODEL_ROTZOOM) {
324 read_global_param(s, type, ref, 2);
325 read_global_param(s, type, ref, 3);
326 if (type == AV1_WARP_MODEL_AFFINE) {
327 read_global_param(s, type, ref, 4);
328 read_global_param(s, type, ref, 5);
329 } else {
330 s->cur_frame.gm_params[ref].wmmat[4] = -s->cur_frame.gm_params[ref].wmmat[3];
331 s->cur_frame.gm_params[ref].wmmat[5] = s->cur_frame.gm_params[ref].wmmat[2];
332 }
333 }
334 if (type >= AV1_WARP_MODEL_TRANSLATION) {
335 read_global_param(s, type, ref, 0);
336 read_global_param(s, type, ref, 1);
337 }
338
339 if (type <= AV1_WARP_MODEL_AFFINE)
340 shear_params_valid = get_shear_params_valid(ctx, ref);
341
342 if (!shear_params_valid || ref_uses_scaling) {
343 ctx->cur_frame.gm_params[ref].alpha = -32768;
344 ctx->cur_frame.gm_params[ref].beta = -32768;
345 ctx->cur_frame.gm_params[ref].gamma = -32768;
346 ctx->cur_frame.gm_params[ref].delta = -32768;
347 }
348 av1d_dbg(AV1D_DBG_HEADER, "ref %d alpa %d beta %d gamma %d delta %d\n",
349 ref,
350 ctx->cur_frame.gm_params[ref].alpha,
351 ctx->cur_frame.gm_params[ref].beta,
352 ctx->cur_frame.gm_params[ref].gamma,
353 ctx->cur_frame.gm_params[ref].delta);
354 }
355 }
356
get_relative_dist(const AV1RawSequenceHeader * seq,RK_U32 a,RK_U32 b)357 static RK_S32 get_relative_dist(const AV1RawSequenceHeader *seq,
358 RK_U32 a, RK_U32 b)
359 {
360 RK_U32 diff = a - b;
361 RK_U32 m = 1 << seq->order_hint_bits_minus_1;
362 return (diff & (m - 1)) - (diff & m);
363 }
364
skip_mode_params(AV1Context * s)365 static void skip_mode_params(AV1Context *s)
366 {
367 const AV1RawFrameHeader *header = s->raw_frame_header;
368 const AV1RawSequenceHeader *seq = s->sequence_header;
369
370 RK_S32 forward_idx, backward_idx;
371 RK_S32 forward_hint, backward_hint;
372 RK_S32 second_forward_idx, second_forward_hint;
373 RK_S32 ref_hint, dist, i;
374
375 if (!header->skip_mode_present)
376 return;
377
378 forward_idx = -1;
379 backward_idx = -1;
380 forward_hint = -1;
381 backward_hint = -1;
382 for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
383 ref_hint = s->ref[header->ref_frame_idx[i]].order_hint;
384 dist = get_relative_dist(seq, ref_hint, header->order_hint);
385 if (dist < 0) {
386 if (forward_idx < 0 ||
387 get_relative_dist(seq, ref_hint, forward_hint) > 0) {
388 forward_idx = i;
389 forward_hint = ref_hint;
390 }
391 } else if (dist > 0) {
392 if (backward_idx < 0 ||
393 get_relative_dist(seq, ref_hint, backward_hint) < 0) {
394 backward_idx = i;
395 backward_hint = ref_hint;
396 }
397 }
398 }
399
400 if (forward_idx < 0) {
401 return;
402 } else if (backward_idx >= 0) {
403 s->cur_frame.skip_mode_frame_idx[0] =
404 AV1_REF_FRAME_LAST + MPP_MIN(forward_idx, backward_idx);
405 s->cur_frame.skip_mode_frame_idx[1] =
406 AV1_REF_FRAME_LAST + MPP_MAX(forward_idx, backward_idx);
407 return;
408 }
409
410 second_forward_idx = -1;
411 for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
412 ref_hint = s->ref[header->ref_frame_idx[i]].order_hint;
413 if (get_relative_dist(seq, ref_hint, forward_hint) < 0) {
414 if (second_forward_idx < 0 ||
415 get_relative_dist(seq, ref_hint, second_forward_hint) > 0) {
416 second_forward_idx = i;
417 second_forward_hint = ref_hint;
418 }
419 }
420 }
421
422 if (second_forward_idx < 0)
423 return;
424
425 s->cur_frame.skip_mode_frame_idx[0] =
426 AV1_REF_FRAME_LAST + MPP_MIN(forward_idx, second_forward_idx);
427 s->cur_frame.skip_mode_frame_idx[1] =
428 AV1_REF_FRAME_LAST + MPP_MAX(forward_idx, second_forward_idx);
429 }
430
coded_lossless_param(AV1Context * s)431 static void coded_lossless_param(AV1Context *s)
432 {
433 const AV1RawFrameHeader *header = s->raw_frame_header;
434 RK_S32 i;
435
436 if (header->delta_q_y_dc || header->delta_q_u_ac ||
437 header->delta_q_u_dc || header->delta_q_v_ac ||
438 header->delta_q_v_dc) {
439 s->cur_frame.coded_lossless = 0;
440 return;
441 }
442
443 s->cur_frame.coded_lossless = 1;
444 for (i = 0; i < AV1_MAX_SEGMENTS; i++) {
445 RK_S32 qindex;
446 if (header->feature_enabled[i][AV1_SEG_LVL_ALT_Q]) {
447 qindex = (header->base_q_idx +
448 header->feature_value[i][AV1_SEG_LVL_ALT_Q]);
449 } else {
450 qindex = header->base_q_idx;
451 }
452 qindex = mpp_clip_uintp2(qindex, 8);
453
454 if (qindex) {
455 s->cur_frame.coded_lossless = 0;
456 return;
457 }
458 }
459 }
460
load_grain_params(AV1Context * s)461 static void load_grain_params(AV1Context *s)
462 {
463 const AV1RawFrameHeader *header = s->raw_frame_header;
464 const AV1RawFilmGrainParams *film_grain = &header->film_grain, *src;
465 AV1RawFilmGrainParams *dst = &s->cur_frame.film_grain;
466
467 if (!film_grain->apply_grain)
468 return;
469
470 if (film_grain->update_grain) {
471 memcpy(dst, film_grain, sizeof(*dst));
472 return;
473 }
474
475 src = &s->ref[film_grain->film_grain_params_ref_idx].film_grain;
476
477 memcpy(dst, src, sizeof(*dst));
478 dst->grain_seed = film_grain->grain_seed;
479 }
480
481 typedef struct GetByteCxt_t {
482 const uint8_t *buffer, *buffer_end, *buffer_start;
483 } GetByteCxt;
bytestream_init(GetByteCxt * g,const uint8_t * buf,int buf_size)484 void bytestream_init(GetByteCxt *g,
485 const uint8_t *buf,
486 int buf_size)
487 {
488 mpp_assert(buf_size >= 0);
489 g->buffer = buf;
490 g->buffer_start = buf;
491 g->buffer_end = buf + buf_size;
492 }
493
bytestream_get_bytes_left(GetByteCxt * g)494 static int bytestream_get_bytes_left(GetByteCxt *g)
495 {
496 return g->buffer_end - g->buffer;
497 }
498
bytestream_skipu(GetByteCxt * g,unsigned int size)499 static void bytestream_skipu(GetByteCxt *g, unsigned int size)
500 {
501 g->buffer += size;
502 }
503
bytestream_tell(GetByteCxt * g)504 static int bytestream_tell(GetByteCxt *g)
505 {
506 return (int)(g->buffer - g->buffer_start);
507 }
508
bytestream_get_byteu(GetByteCxt * g)509 static int bytestream_get_byteu(GetByteCxt *g)
510 {
511 int tmp;
512 tmp = g->buffer[0];
513 g->buffer++;
514 return tmp;
515 }
516
get_tiles_info(Av1CodecContext * ctx,const AV1RawTileGroup * tile_group)517 static RK_S32 get_tiles_info(Av1CodecContext *ctx, const AV1RawTileGroup *tile_group)
518 {
519 AV1Context *s = ctx->priv_data;
520 GetByteCxt gb;
521 RK_S16 tile_num;
522 RK_S32 size = 0, size_bytes = 0;
523 RK_S32 i;
524
525 bytestream_init(&gb, tile_group->tile_data.data,
526 tile_group->tile_data.data_size);
527
528 if (s->tile_offset)
529 s->tile_offset += tile_group->tile_data.offset;
530
531 for (tile_num = tile_group->tg_start; tile_num <= tile_group->tg_end; tile_num++) {
532 if (tile_num == tile_group->tg_end) {
533 s->tile_offset_start[tile_num] = bytestream_tell(&gb) + s->tile_offset;
534 s->tile_offset_end[tile_num] = bytestream_tell(&gb) + bytestream_get_bytes_left(&gb) + s->tile_offset;
535 s->tile_offset = s->tile_offset_end[tile_num];
536 return 0;
537 }
538 size_bytes = s->raw_frame_header->tile_size_bytes_minus1 + 1;
539 if (bytestream_get_bytes_left(&gb) < size_bytes)
540 return MPP_ERR_VALUE;
541 size = 0;
542 for (i = 0; i < size_bytes; i++)
543 size |= bytestream_get_byteu(&gb) << 8 * i;
544 if (bytestream_get_bytes_left(&gb) <= size)
545 return MPP_ERR_VALUE;
546 size++;
547
548 s->tile_offset_start[tile_num] = bytestream_tell(&gb) + s->tile_offset;
549
550 s->tile_offset_end[tile_num] = bytestream_tell(&gb) + size + s->tile_offset;
551
552 bytestream_skipu(&gb, size);
553 }
554
555 return 0;
556
557 }
558
av1d_frame_unref(Av1CodecContext * ctx,AV1Frame * f)559 static void av1d_frame_unref(Av1CodecContext *ctx, AV1Frame *f)
560 {
561 AV1Context *s = ctx->priv_data;
562 f->raw_frame_header = NULL;
563 f->spatial_id = f->temporal_id = 0;
564 memset(f->skip_mode_frame_idx, 0,
565 2 * sizeof(uint8_t));
566 memset(&f->film_grain, 0, sizeof(f->film_grain));
567
568 f->coded_lossless = 0;
569
570 if (!f->ref || f->ref->ref_count <= 0 || f->slot_index >= 0x7f) {
571 mpp_err("ref count alreay is zero");
572 return;
573 }
574
575 f->ref->ref_count--;
576 av1d_dbg(AV1D_DBG_REF, "ref %p, f->ref->ref_count %d, ref->invisible= %d", f->ref, f->ref->ref_count, f->ref->invisible);
577 if (!f->ref->ref_count) {
578 if (f->slot_index < 0x7f) {
579 av1d_dbg(AV1D_DBG_REF, "clr f->slot_index = %d", f->slot_index);
580 /* if pic no output for disaplay when ref_cnt
581 clear we will free this buffer directly,
582 maybe cause some frame can't display */
583 // if (f->ref->invisible && !f->ref->is_output) {
584 if (!f->ref->is_output) {
585 MppBuffer framebuf = NULL;
586 mpp_buf_slot_get_prop(s->slots, f->slot_index, SLOT_BUFFER, &framebuf);
587 av1d_dbg(AV1D_DBG_REF, "free framebuf prt %p", framebuf);
588 if (framebuf)
589 mpp_buffer_put(framebuf);
590 f->ref->invisible = 0;
591 }
592 mpp_buf_slot_clr_flag(s->slots, f->slot_index, SLOT_CODEC_USE);
593 }
594 f->slot_index = 0xff;
595 mpp_free(f->ref);
596 f->ref = NULL;
597 }
598 f->ref = NULL;
599 }
600
601
set_output_frame(Av1CodecContext * ctx)602 static MPP_RET set_output_frame(Av1CodecContext *ctx)
603 {
604 AV1Context *s = ctx->priv_data;
605 MppFrame frame = NULL;
606 MPP_RET ret = MPP_OK;
607
608 // TODO: all layers
609 if (s->operating_point_idc &&
610 mpp_log2(s->operating_point_idc >> 8) > s->cur_frame.spatial_id)
611 return 0;
612 mpp_buf_slot_get_prop(s->slots, s->cur_frame.slot_index, SLOT_FRAME_PTR, &frame);
613 if (s->hdr_dynamic_meta && s->hdr_dynamic) {
614 mpp_frame_set_hdr_dynamic_meta(frame, s->hdr_dynamic_meta);
615 s->hdr_dynamic = 0;
616 if (s->raw_frame_header->show_existing_frame)
617 fill_hdr_meta_to_frame(frame, HDR_AV1);
618 }
619 mpp_frame_set_pts(frame, s->pts);
620 mpp_buf_slot_set_flag(s->slots, s->cur_frame.slot_index, SLOT_QUEUE_USE);
621 mpp_buf_slot_enqueue(s->slots, s->cur_frame.slot_index, QUEUE_DISPLAY);
622 s->cur_frame.ref->is_output = 1;
623
624 return ret;
625 }
626
av1d_frame_ref(Av1CodecContext * ctx,AV1Frame * dst,const AV1Frame * src)627 static RK_S32 av1d_frame_ref(Av1CodecContext *ctx, AV1Frame *dst, const AV1Frame *src)
628 {
629 AV1Context *s = ctx->priv_data;
630 MppFrameImpl *impl_frm = (MppFrameImpl *)dst->f;
631 dst->spatial_id = src->spatial_id;
632 dst->temporal_id = src->temporal_id;
633 dst->order_hint = src->order_hint;
634
635 memcpy(dst->gm_params,
636 src->gm_params,
637 sizeof(src->gm_params));
638 memcpy(dst->skip_mode_frame_idx,
639 src->skip_mode_frame_idx,
640 2 * sizeof(uint8_t));
641 memcpy(&dst->film_grain,
642 &src->film_grain,
643 sizeof(dst->film_grain));
644 dst->coded_lossless = src->coded_lossless;
645
646 if (src->slot_index >= 0x7f) {
647 mpp_err("av1d_ref_frame is vaild");
648 return -1;
649 }
650
651 dst->slot_index = src->slot_index;
652 dst->ref = src->ref;
653 dst->ref->ref_count++;
654
655 mpp_buf_slot_get_prop(s->slots, src->slot_index, SLOT_FRAME, &dst->f);
656 impl_frm->buffer = NULL; //parser no need process hal buf
657
658
659 return 0;
660 }
661
update_reference_list(Av1CodecContext * ctx)662 static MPP_RET update_reference_list(Av1CodecContext *ctx)
663 {
664 AV1Context *s = ctx->priv_data;
665 const AV1RawFrameHeader *header = s->raw_frame_header;
666 MPP_RET ret = MPP_OK;
667 RK_S32 i = 0;
668 RK_S32 lst2_buf_idx;
669 RK_S32 lst3_buf_idx;
670 RK_S32 gld_buf_idx;
671 RK_S32 alt_buf_idx;
672 RK_S32 lst_buf_idx;
673 RK_S32 bwd_buf_idx;
674 RK_S32 alt2_buf_idx;
675
676 if (!header->show_existing_frame) {
677 lst2_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_LAST2 - AV1_REF_FRAME_LAST];
678 lst3_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_LAST3 - AV1_REF_FRAME_LAST];
679 gld_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_GOLDEN - AV1_REF_FRAME_LAST];
680 alt_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_ALTREF - AV1_REF_FRAME_LAST];
681 lst_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_LAST - AV1_REF_FRAME_LAST];
682 bwd_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_BWDREF - AV1_REF_FRAME_LAST];
683 alt2_buf_idx = s->raw_frame_header->ref_frame_idx[AV1_REF_FRAME_ALTREF2 - AV1_REF_FRAME_LAST];
684
685 s->cur_frame.ref->lst2_frame_offset = s->ref[lst2_buf_idx].order_hint;
686 s->cur_frame.ref->lst3_frame_offset = s->ref[lst3_buf_idx].order_hint;
687 s->cur_frame.ref->gld_frame_offset = s->ref[gld_buf_idx].order_hint;
688 s->cur_frame.ref->alt_frame_offset = s->ref[alt_buf_idx].order_hint;
689 s->cur_frame.ref->lst_frame_offset = s->ref[lst_buf_idx].order_hint;
690 s->cur_frame.ref->bwd_frame_offset = s->ref[bwd_buf_idx].order_hint;
691 s->cur_frame.ref->alt2_frame_offset = s->ref[alt2_buf_idx].order_hint;
692 }
693
694 for (i = 0; i < AV1_NUM_REF_FRAMES; i++) {
695 av1d_dbg(AV1D_DBG_REF, "header->refresh_frame_flags = %d",
696 header->refresh_frame_flags);
697 if (header->refresh_frame_flags & (1 << i)) {
698 av1d_dbg(AV1D_DBG_REF, "av1 ref idx %d s->ref[%d].slot_index %d",
699 i, i, s->ref[i].slot_index);
700 if (s->ref[i].ref)
701 av1d_frame_unref(ctx, &s->ref[i]);
702
703 if ((ret = av1d_frame_ref(ctx, &s->ref[i], &s->cur_frame)) < 0) {
704 mpp_err_f("Failed to update frame %d in reference list\n", i);
705 return ret;
706 }
707 }
708 }
709 return ret;
710 }
711
hor_align_16(RK_U32 val)712 static RK_U32 hor_align_16(RK_U32 val)
713 {
714 return MPP_ALIGN(val, 16);
715 }
716
get_current_frame(Av1CodecContext * ctx)717 static MPP_RET get_current_frame(Av1CodecContext *ctx)
718 {
719 AV1Context *s = ctx->priv_data;
720 MPP_RET ret = MPP_OK;
721 AV1Frame *frame = &s->cur_frame;
722 RK_U32 value;
723
724 if (frame->ref)
725 av1d_frame_unref(ctx, frame);
726
727 mpp_frame_set_meta(frame->f, NULL);
728 mpp_frame_set_width(frame->f, s->frame_width);
729 mpp_frame_set_height(frame->f, s->frame_height);
730
731 /*
732 * rk3588, user can set 8bit for 10bit source.
733 * If user config 8bit output when input video is 10bti,
734 * here should set hor_stride according to 8bit.
735 */
736 if (MPP_FRAME_FMT_IS_YUV_10BIT(ctx->pix_fmt))
737 mpp_frame_set_hor_stride(frame->f, MPP_ALIGN(s->frame_width * s->bit_depth / 8, 8));
738 else
739 mpp_frame_set_hor_stride(frame->f, MPP_ALIGN(s->frame_width, 8));
740
741 mpp_frame_set_ver_stride(frame->f, MPP_ALIGN(s->frame_height, 8));
742 mpp_frame_set_errinfo(frame->f, 0);
743 mpp_frame_set_discard(frame->f, 0);
744 mpp_frame_set_pts(frame->f, s->pts);
745
746 if (s->is_hdr)
747 ctx->pix_fmt |= MPP_FRAME_HDR;
748
749 if (MPP_FRAME_FMT_IS_FBC(s->cfg->base.out_fmt)) {
750 mpp_slots_set_prop(s->slots, SLOTS_HOR_ALIGN, hor_align_16);
751 if (s->bit_depth == 10) {
752 if (ctx->pix_fmt == MPP_FMT_YUV420SP || ctx->pix_fmt == MPP_FMT_YUV420SP_10BIT)
753 ctx->pix_fmt = MPP_FMT_YUV420SP_10BIT;
754 else
755 mpp_err("422p 10bit no support");
756 }
757
758 mpp_frame_set_fmt(frame->f, ctx->pix_fmt | ((s->cfg->base.out_fmt & (MPP_FRAME_FBC_MASK))));
759 mpp_frame_set_offset_x(frame->f, 0);
760 mpp_frame_set_offset_y(frame->f, 0);
761 mpp_frame_set_ver_stride(frame->f, MPP_ALIGN(ctx->height, 8) + 28);
762 } else
763 mpp_frame_set_fmt(frame->f, ctx->pix_fmt);
764
765 value = 4;
766 mpp_slots_set_prop(s->slots, SLOTS_NUMERATOR, &value);
767 value = 1;
768 mpp_slots_set_prop(s->slots, SLOTS_DENOMINATOR, &value);
769 mpp_buf_slot_get_unused(s->slots, &frame->slot_index);
770 av1d_dbg(AV1D_DBG_REF, "get frame->slot_index %d", frame->slot_index);
771 mpp_buf_slot_set_prop(s->slots, frame->slot_index, SLOT_FRAME, frame->f);
772 mpp_buf_slot_set_flag(s->slots, frame->slot_index, SLOT_CODEC_USE);
773 mpp_buf_slot_set_flag(s->slots, frame->slot_index, SLOT_HAL_OUTPUT);
774
775 frame->ref = mpp_calloc(RefInfo, 1);
776 frame->ref->ref_count++;
777 frame->ref->is_intra_frame = !s->raw_frame_header->frame_type;
778 frame->ref->intra_only = (s->raw_frame_header->frame_type == 2);
779 frame->ref->is_output = 0;
780 if (!s->raw_frame_header->show_frame && !s->raw_frame_header->showable_frame) {
781 frame->ref->invisible = 1;
782 }
783
784 if (ret < 0) {
785 mpp_err_f("Failed to allocate space for current frame.\n");
786 return ret;
787 }
788
789 /* ret = init_tile_data(s);
790 if (ret < 0) {
791 mpp_err_f( "Failed to init tile data.\n");
792 return ret;
793 }*/
794 global_motion_params(s);
795 skip_mode_params(s);
796 coded_lossless_param(s);
797 load_grain_params(s);
798
799 return ret;
800 }
801
av1d_parser_init(Av1CodecContext * ctx,ParserCfg * init)802 MPP_RET av1d_parser_init(Av1CodecContext *ctx, ParserCfg *init)
803 {
804 MPP_RET ret = MPP_OK;
805 RK_S32 i = 0;
806 av1d_dbg_func("enter ctx %p\n", ctx);
807 AV1Context *s = mpp_calloc(AV1Context, 1);
808 ctx->priv_data = (void*)s;
809 if (!ctx->priv_data) {
810 mpp_err("av1d codec context malloc fail");
811 return MPP_ERR_NOMEM;
812 }
813
814 s->seq_ref = mpp_calloc(AV1RawSequenceHeader, 1);
815
816 s->unit_types = unit_types;
817 s->nb_unit_types = MPP_ARRAY_ELEMS(unit_types);
818 s->packet_slots = init->packet_slots;
819 s->slots = init->frame_slots;
820 s->cfg = init->cfg;
821 mpp_buf_slot_setup(s->slots, 25);
822
823 mpp_env_get_u32("av1d_debug", &av1d_debug, 0);
824 for (i = 0; i < AV1_NUM_REF_FRAMES; i++) {
825 mpp_frame_init(&s->ref[i].f);
826 if (!s->ref[i].f) {
827 mpp_err("Failed to allocate frame buffer %d\n", i);
828 return MPP_ERR_NOMEM;
829 }
830 s->ref[i].slot_index = 0x7f;
831 s->ref[i].ref = NULL;
832 }
833
834 mpp_frame_init(&s->cur_frame.f);
835 s->cur_frame.ref = NULL;
836 s->cur_frame.slot_index = 0xff;
837 if (!s->cur_frame.f) {
838 mpp_err("Failed to allocate frame buffer %d\n", i);
839 return MPP_ERR_NOMEM;
840 }
841 s->cdfs = &s->default_cdfs;
842 s->cdfs_ndvc = &s->default_cdfs_ndvc;
843 AV1SetDefaultCDFs(s->cdfs, s->cdfs_ndvc);
844
845 return MPP_OK;
846
847 av1d_dbg_func("leave ctx %p\n", ctx);
848
849 return ret;
850 }
851
av1d_parser_deinit(Av1CodecContext * ctx)852 MPP_RET av1d_parser_deinit(Av1CodecContext *ctx)
853 {
854 MPP_RET ret = MPP_OK;
855 RK_U32 i = 0;
856
857 AV1Context *s = ctx->priv_data;
858 for ( i = 0; i < MPP_ARRAY_ELEMS(s->ref); i++) {
859 if (s->ref[i].ref) {
860 av1d_frame_unref(ctx, &s->ref[i]);
861 }
862 mpp_frame_deinit(&s->ref[i].f);
863 s->ref[i].f = NULL;
864 }
865 if (s->cur_frame.ref) {
866 av1d_frame_unref(ctx, &s->cur_frame);
867 }
868 mpp_frame_deinit(&s->cur_frame.f);
869
870 mpp_av1_fragment_reset(&s->current_obu);
871 MPP_FREE(s->seq_ref);
872 MPP_FREE((s->hdr_dynamic_meta));
873 MPP_FREE(ctx->priv_data);
874 return MPP_OK;
875
876 av1d_dbg_func("leave ctx %p\n", ctx);
877
878 return ret;
879 }
880
av1d_parser_frame(Av1CodecContext * ctx,HalDecTask * task)881 MPP_RET av1d_parser_frame(Av1CodecContext *ctx, HalDecTask *task)
882 {
883 RK_U8 *data = NULL;
884 RK_S32 size = 0;
885 AV1Context *s = ctx->priv_data;
886 AV1RawTileGroup *raw_tile_group = NULL;
887 MPP_RET ret = MPP_OK;
888 RK_S32 i;
889
890 av1d_dbg_func("enter ctx %p\n", ctx);
891 task->valid = 0;
892
893 data = (RK_U8 *)mpp_packet_get_pos(ctx->pkt);
894 size = (RK_S32)mpp_packet_get_length(ctx->pkt);
895
896 s->pts = mpp_packet_get_pts(ctx->pkt);
897
898 s->current_obu.data = data;
899 s->current_obu.data_size = size;
900 s->tile_offset = 0;
901 ret = mpp_av1_split_fragment(s, &s->current_obu, 0);
902 if (ret < 0) {
903 return ret;
904 }
905 ret = mpp_av1_read_fragment_content(s, &s->current_obu);
906 if (ret < 0) {
907 return ret;
908 }
909
910 for (i = 0; i < s->current_obu.nb_units; i++) {
911 Av1ObuUnit *unit = &s->current_obu.units[i];
912 AV1RawOBU *obu = unit->content;
913 const AV1RawOBUHeader *header;
914
915 if (!obu)
916 continue;
917
918 header = &obu->header;
919
920 switch (unit->type) {
921 case AV1_OBU_SEQUENCE_HEADER:
922 memcpy(s->seq_ref, &obu->obu.sequence_header, sizeof(AV1RawSequenceHeader));
923 s->sequence_header = s->seq_ref;
924 ret = mpp_av1_set_context_with_sequence(ctx, s->sequence_header);
925 if (ret < 0) {
926 mpp_err_f("Failed to set context.\n");
927 s->sequence_header = NULL;
928 goto end;
929 }
930
931 s->operating_point_idc = s->sequence_header->operating_point_idc[s->operating_point];
932
933 if (ctx->pix_fmt == MPP_FMT_BUTT) {
934 ret = get_pixel_format(ctx);
935 if (ret < 0) {
936 mpp_err_f("Failed to get pixel format.\n");
937 s->sequence_header = NULL;
938 goto end;
939 }
940 }
941 break;
942 case AV1_OBU_REDUNDANT_FRAME_HEADER:
943 if (s->raw_frame_header)
944 break;
945 // fall-through
946 case AV1_OBU_FRAME:
947 case AV1_OBU_FRAME_HEADER:
948 if (!s->sequence_header) {
949 mpp_err_f("Missing Sequence Header.\n");
950 ret = MPP_ERR_VALUE;
951 goto end;
952 }
953
954 if (unit->type == AV1_OBU_FRAME)
955 s->raw_frame_header = &obu->obu.frame.header;
956 else
957 s->raw_frame_header = &obu->obu.frame_header;
958
959 if (s->raw_frame_header->show_existing_frame) {
960 if (s->cur_frame.ref) {
961 av1d_frame_unref(ctx, &s->cur_frame);
962 }
963
964 ret = av1d_frame_ref(ctx, &s->cur_frame,
965 &s->ref[s->raw_frame_header->frame_to_show_map_idx]);
966
967 if (ret < 0) {
968 mpp_err_f("Failed to get reference frame.\n");
969 goto end;
970 }
971
972 ret = update_reference_list(ctx);
973 if (ret < 0) {
974 mpp_err_f("Failed to update reference list.\n");
975 goto end;
976 }
977 ret = set_output_frame(ctx);
978 if (ret < 0)
979 mpp_err_f("Set output frame error.\n");
980
981 s->raw_frame_header = NULL;
982
983 goto end;
984 }
985 ret = get_current_frame(ctx);
986 if (ret < 0) {
987 mpp_err_f("Get current frame error\n");
988 goto end;
989 }
990 s->cur_frame.spatial_id = header->spatial_id;
991 s->cur_frame.temporal_id = header->temporal_id;
992 s->cur_frame.order_hint = s->raw_frame_header->order_hint;
993
994 if (unit->type != AV1_OBU_FRAME)
995 break;
996 // fall-through
997 case AV1_OBU_TILE_GROUP:
998 if (!s->raw_frame_header) {
999 mpp_err_f("Missing Frame Header.\n");
1000 ret = MPP_ERR_VALUE;
1001 goto end;
1002 }
1003
1004 if (unit->type == AV1_OBU_FRAME)
1005 raw_tile_group = &obu->obu.frame.tile_group;
1006 else
1007 raw_tile_group = &obu->obu.tile_group;
1008
1009 ret = get_tiles_info(ctx, raw_tile_group);
1010 if (ret < 0)
1011 goto end;
1012
1013 break;
1014 case AV1_OBU_TILE_LIST:
1015 case AV1_OBU_TEMPORAL_DELIMITER:
1016 case AV1_OBU_PADDING:
1017 case AV1_OBU_METADATA:
1018 break;
1019 default:
1020 av1d_dbg(AV1D_DBG_HEADER, "Unknown obu type: %d (%d bits).\n",
1021 unit->type, unit->data_size);
1022 }
1023
1024 if (raw_tile_group && (s->tile_num == raw_tile_group->tg_end + 1)) {
1025 av1d_parser2_syntax(ctx);
1026 task->syntax.data = (void*)&ctx->pic_params;
1027 task->syntax.number = 1;
1028 task->valid = 1;
1029 task->output = s->cur_frame.slot_index;
1030 task->input_packet = ctx->pkt;
1031
1032 for (i = 0; i < AV1_REFS_PER_FRAME; i++) {
1033 int8_t ref_idx = s->raw_frame_header->ref_frame_idx[i];
1034 if (s->ref[ref_idx].slot_index < 0x7f) {
1035 mpp_buf_slot_set_flag(s->slots, s->ref[ref_idx].slot_index, SLOT_HAL_INPUT);
1036 MppFrame mframe = NULL;
1037 task->refer[i] = s->ref[ref_idx].slot_index;
1038 mpp_buf_slot_get_prop(s->slots, task->refer[i], SLOT_FRAME_PTR, &mframe);
1039 if (mframe)
1040 task->flags.ref_err |= mpp_frame_get_errinfo(mframe);
1041 } else {
1042 task->refer[i] = -1;
1043 }
1044 }
1045 ret = update_reference_list(ctx);
1046 if (ret < 0) {
1047 mpp_err_f("Failed to update reference list.\n");
1048 goto end;
1049 }
1050
1051 if (s->raw_frame_header->show_frame) {
1052 ret = set_output_frame(ctx);
1053 if (ret < 0) {
1054 mpp_err_f("Set output frame error\n");
1055 goto end;
1056 }
1057 }
1058 raw_tile_group = NULL;
1059 s->raw_frame_header = NULL;
1060 }
1061 }
1062
1063 if (s->eos) {
1064 task->flags.eos = 1;
1065 }
1066 end:
1067 mpp_av1_fragment_reset(&s->current_obu);
1068 if (ret < 0)
1069 s->raw_frame_header = NULL;
1070
1071 av1d_dbg_func("leave ctx %p\n", ctx);
1072 return ret;
1073 }
1074
av1d_parser_update(Av1CodecContext * ctx,void * info)1075 void av1d_parser_update(Av1CodecContext *ctx, void *info)
1076 {
1077 AV1Context* c_ctx = (AV1Context*)ctx->priv_data;
1078 DecCbHalDone *cb = (DecCbHalDone*)info;
1079 RK_U8 *data = (RK_U8*)cb->task;
1080 RK_U32 i;
1081 const RK_U32 mv_cdf_offset = offsetof(AV1CDFs, mv_cdf);
1082 const RK_U32 mv_cdf_size = sizeof(MvCDFs);
1083 const RK_U32 mv_cdf_end_offset = mv_cdf_offset + mv_cdf_size;
1084 const RK_U32 cdf_size = sizeof(AV1CDFs);
1085
1086 av1d_dbg_func("enter ctx %p\n", ctx);
1087 if (!c_ctx->disable_frame_end_update_cdf) {
1088 for (i = 0; i < NUM_REF_FRAMES; i++) {
1089 if (c_ctx->refresh_frame_flags & (1 << i)) {
1090 /* 1. get cdfs */
1091 Av1GetCDFs(c_ctx, i);
1092 {
1093 RK_U8 *cdf_base = (RK_U8 *)c_ctx->cdfs;
1094 RK_U8 *cdf_ndvc_base = (RK_U8 *)c_ctx->cdfs_ndvc;
1095 /* 2. read cdfs from memory*/
1096 if (c_ctx->frame_is_intra) {
1097 memcpy(cdf_base, data, mv_cdf_offset);
1098 // Read intrabc MV context
1099 memcpy(cdf_ndvc_base, data + mv_cdf_offset, mv_cdf_size);
1100 memcpy(cdf_base + mv_cdf_end_offset, data + mv_cdf_end_offset,
1101 cdf_size - mv_cdf_end_offset);
1102 } else {
1103 memcpy(cdf_base, data, cdf_size);
1104 }
1105 }
1106 /* 3. store cdfs*/
1107 Av1StoreCDFs(c_ctx, c_ctx->refresh_frame_flags);
1108 break;
1109 }
1110 }
1111 }
1112
1113 av1d_dbg_func("leave ctx %p\n", ctx);
1114 }
1115
av1d_paser_reset(Av1CodecContext * ctx)1116 MPP_RET av1d_paser_reset(Av1CodecContext *ctx)
1117 {
1118 (void)ctx;
1119 MPP_RET ret = MPP_OK;
1120 RK_U32 i = 0;
1121 AV1Context *s = ctx->priv_data;
1122
1123 av1d_dbg_func("enter ctx %p\n", ctx);
1124 for ( i = 0; i < MPP_ARRAY_ELEMS(s->ref); i++) {
1125 AV1Frame *f = &s->ref[i];
1126
1127 if (f->ref)
1128 av1d_frame_unref(ctx, &s->ref[i]);
1129 }
1130
1131 if (s->cur_frame.ref) {
1132 av1d_frame_unref(ctx, &s->cur_frame);
1133 }
1134
1135 ctx->frame_header = 0;
1136 ctx->stream_offset = 0;
1137 ctx->eos = 0;
1138
1139 av1d_dbg_func("leave ctx %p\n", ctx);
1140 return ret;
1141
1142 }
1143
1144
leb128(BitReadCtx_t * gb)1145 static inline int64_t leb128(BitReadCtx_t *gb)
1146 {
1147 int64_t ret = 0;
1148 RK_S32 byte = 0;
1149 RK_S32 i;
1150
1151 for (i = 0; i < 8; i++) {
1152 mpp_read_bits(gb, 8, &byte);
1153 ret |= (int64_t)(byte & 0x7f) << (i * 7);
1154 if (!(byte & 0x80))
1155 break;
1156 }
1157 return ret;
1158 }
1159
parse_obu_header(uint8_t * buf,RK_S32 buf_size,int64_t * obu_size,RK_S32 * start_pos,RK_S32 * type,RK_S32 * temporal_id,RK_S32 * spatial_id)1160 static inline RK_S32 parse_obu_header(uint8_t *buf, RK_S32 buf_size,
1161 int64_t *obu_size, RK_S32 *start_pos, RK_S32 *type,
1162 RK_S32 *temporal_id, RK_S32 *spatial_id)
1163 {
1164 BitReadCtx_t gb;
1165 RK_S32 extension_flag, has_size_flag;
1166 int64_t size;
1167 RK_S32 value = 0;
1168 mpp_set_bitread_ctx(&gb, buf, MPP_MIN(buf_size, MAX_OBU_HEADER_SIZE));
1169
1170 mpp_read_bits(&gb, 1, &value);
1171 if (value != 0) // obu_forbidden_bit
1172 return MPP_ERR_PROTOL;
1173
1174 mpp_read_bits(&gb, 4, type);
1175 mpp_read_bits(&gb, 1, &extension_flag);
1176 mpp_read_bits(&gb, 1, &has_size_flag);
1177 mpp_skip_bits(&gb, 1); // obu_reserved_1bit
1178
1179 if (extension_flag) {
1180 mpp_read_bits(&gb, 3, temporal_id);
1181 mpp_read_bits(&gb, 2, spatial_id);
1182 mpp_skip_bits(&gb, 3); // extension_header_reserved_3bits
1183 } else {
1184 *temporal_id = *spatial_id = 0;
1185 }
1186
1187 *obu_size = has_size_flag ? leb128(&gb)
1188 : buf_size - 1 - extension_flag;
1189
1190 if (mpp_get_bits_left(&gb) < 0)
1191 return MPP_ERR_PROTOL;
1192
1193 *start_pos = mpp_get_bits_count(&gb) / 8;
1194
1195 size = *obu_size + *start_pos;
1196
1197 if (size > buf_size)
1198 return MPP_ERR_PROTOL;
1199
1200 return size;
1201
1202 }
1203
av1_extract_obu(AV1OBU * obu,uint8_t * buf,RK_S32 length)1204 RK_S32 av1_extract_obu(AV1OBU *obu, uint8_t *buf, RK_S32 length)
1205 {
1206 int64_t obu_size;
1207 RK_S32 start_pos, type, temporal_id, spatial_id;
1208 RK_S32 len;
1209
1210 len = parse_obu_header(buf, length, &obu_size, &start_pos,
1211 &type, &temporal_id, &spatial_id);
1212 if (len < 0)
1213 return len;
1214
1215 obu->type = type;
1216 obu->temporal_id = temporal_id;
1217 obu->spatial_id = spatial_id;
1218
1219 obu->data = buf + start_pos;
1220 obu->size = obu_size;
1221 obu->raw_data = buf;
1222 obu->raw_size = len;
1223
1224 av1d_dbg(AV1D_DBG_STRMIN, "obu_type: %d, temporal_id: %d, spatial_id: %d, payload size: %d\n",
1225 obu->type, obu->temporal_id, obu->spatial_id, obu->size);
1226
1227 return len;
1228 }
1229
av1d_split_frame(Av1CodecContext * ctx,RK_U8 ** out_data,RK_S32 * out_size,RK_U8 * data,RK_S32 size)1230 RK_S32 av1d_split_frame(Av1CodecContext *ctx,
1231 RK_U8 **out_data, RK_S32 *out_size,
1232 RK_U8 *data, RK_S32 size)
1233 {
1234 (void)out_data;
1235 (void)out_size;
1236
1237 AV1OBU obu;
1238 uint8_t *ptr = data, *end = data + size;
1239 av1d_dbg_func("enter ctx %p\n", ctx);
1240
1241 *out_data = data;
1242
1243 while (ptr < end) {
1244 RK_S32 len = av1_extract_obu(&obu, ptr, size);
1245 if (len < 0)
1246 break;
1247 if (obu.type == AV1_OBU_FRAME_HEADER || obu.type == AV1_OBU_FRAME ||
1248 ((obu.type == AV1_OBU_TEMPORAL_DELIMITER ||
1249 obu.type == AV1_OBU_SEQUENCE_HEADER) && ctx->frame_header))
1250 ctx->frame_header ++;
1251 if (ctx->frame_header == 2) {
1252 *out_size = (RK_S32)(ptr - data);
1253 ctx->new_frame = 1;
1254 ctx->frame_header = 0;
1255 return ptr - data;
1256 }
1257 if (obu.type == AV1_OBU_FRAME) {
1258 ptr += len;
1259 size -= len;
1260 *out_size = (RK_S32)(ptr - data);
1261 ctx->new_frame = 1;
1262 ctx->frame_header = 0;
1263 return ptr - data;
1264 }
1265 ptr += len;
1266 size -= len;
1267 }
1268
1269 *out_size = (RK_S32)(ptr - data);
1270
1271 return ptr - data;
1272
1273 av1d_dbg_func("leave ctx %p\n", ctx);
1274
1275 return 0;
1276 }
1277
av1d_get_frame_stream(Av1CodecContext * ctx,RK_U8 * buf,RK_S32 length)1278 MPP_RET av1d_get_frame_stream(Av1CodecContext *ctx, RK_U8 *buf, RK_S32 length)
1279 {
1280 MPP_RET ret = MPP_OK;
1281 av1d_dbg_func("enter ctx %p\n", ctx);
1282 RK_S32 buff_size = 0;
1283 RK_U8 *data = NULL;
1284 RK_S32 size = 0;
1285 RK_S32 offset = ctx->stream_offset;
1286
1287 data = (RK_U8 *)mpp_packet_get_data(ctx->pkt);
1288 size = (RK_S32)mpp_packet_get_size(ctx->pkt);
1289
1290 if ((length + offset) > size) {
1291 mpp_packet_deinit(&ctx->pkt);
1292 buff_size = length + offset + 10 * 1024;
1293 data = mpp_realloc(data, RK_U8, buff_size);
1294 mpp_packet_init(&ctx->pkt, (void *)data, buff_size);
1295 mpp_packet_set_size(ctx->pkt, buff_size);
1296 ctx->stream_size = buff_size;
1297 }
1298
1299 memcpy(data + offset, buf, length);
1300 ctx->stream_offset += length;
1301 mpp_packet_set_length(ctx->pkt, ctx->stream_offset);
1302
1303 av1d_dbg_func("leave ctx %p\n", ctx);
1304 return ret;
1305
1306 }
1307
av1d_split_deinit(Av1CodecContext * ctx)1308 MPP_RET av1d_split_deinit(Av1CodecContext *ctx)
1309 {
1310 MPP_RET ret = MPP_OK;
1311 (void)ctx;
1312
1313 av1d_dbg_func("enter ctx %p\n", ctx);
1314
1315 av1d_dbg_func("leave ctx %p\n", ctx);
1316
1317 return ret;
1318 }
1319
av1d_split_init(Av1CodecContext * ctx)1320 MPP_RET av1d_split_init(Av1CodecContext *ctx)
1321 {
1322 MPP_RET ret = MPP_OK;
1323 (void)ctx;
1324
1325 av1d_dbg_func("enter ctx %p\n", ctx);
1326
1327 av1d_dbg_func("leave ctx %p\n", ctx);
1328 return ret;
1329 }
1330