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aomedia / avm / refs/heads/main / . / av1 / encoder / encoder_utils.c
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/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. If the
* Alliance for Open Media Patent License 1.0 was not distributed with this
* source code in the PATENTS file, you can obtain it at
* aomedia.org/license/patent-license/.
*/
#include "aom_ports/system_state.h"
#include "av1/encoder/bitstream.h"
#include "av1/encoder/encodeframe.h"
#include "av1/encoder/encoder.h"
#include "av1/encoder/encoder_alloc.h"
#include "av1/encoder/encodetxb.h"
#include "av1/encoder/encoder_utils.h"
#include "av1/encoder/grain_test_vectors.h"
#include "av1/encoder/mv_prec.h"
#include "av1/encoder/rc_utils.h"
#include "av1/encoder/rdopt.h"
#include "av1/encoder/segmentation.h"
#include "av1/encoder/superres_scale.h"
#if CONFIG_ENHANCED_FRAME_CONTEXT_INIT
#include "av1/encoder/encodeframe_utils.h"
#endif // CONFIG_ENHANCED_FRAME_CONTEXT_INIT
#if CONFIG_TUNE_VMAF
#include "av1/encoder/tune_vmaf.h"
#endif
#if CONFIG_DIP_EXT_PRUNING
#include "av1/encoder/intra_dip_mode_prune_tflite.h"
#endif // CONFIG_DIP_EXT_PRUNING
#define MIN_BOOST_COMBINE_FACTOR 4.0
#define MAX_BOOST_COMBINE_FACTOR 12.0
// TODO(urvang): Augment array for FLEX_PARTITION: used in speed >= 3.
const int default_tx_type_probs[FRAME_UPDATE_TYPES][TX_SIZES_ALL][TX_TYPES] = {
{ { 221, 189, 214, 292, 0, 0, 0, 0, 0, 2, 38, 68, 0, 0, 0, 0 },
{ 262, 203, 216, 239, 0, 0, 0, 0, 0, 1, 37, 66, 0, 0, 0, 0 },
{ 315, 231, 239, 226, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 222, 188, 214, 287, 0, 0, 0, 0, 0, 2, 50, 61, 0, 0, 0, 0 },
{ 256, 182, 205, 282, 0, 0, 0, 0, 0, 2, 21, 76, 0, 0, 0, 0 },
{ 281, 214, 217, 222, 0, 0, 0, 0, 0, 1, 48, 41, 0, 0, 0, 0 },
{ 263, 194, 225, 225, 0, 0, 0, 0, 0, 2, 15, 100, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 170, 192, 242, 293, 0, 0, 0, 0, 0, 1, 68, 58, 0, 0, 0, 0 },
{ 199, 210, 213, 291, 0, 0, 0, 0, 0, 1, 14, 96, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
{ { 106, 69, 107, 278, 9, 15, 20, 45, 49, 23, 23, 88, 36, 74, 25, 57 },
{ 105, 72, 81, 98, 45, 49, 47, 50, 56, 72, 30, 81, 33, 95, 27, 83 },
{ 211, 105, 109, 120, 57, 62, 43, 49, 52, 58, 42, 116, 0, 0, 0, 0 },
{ 1008, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 131, 57, 98, 172, 19, 40, 37, 64, 69, 22, 41, 52, 51, 77, 35, 59 },
{ 176, 83, 93, 202, 22, 24, 28, 47, 50, 16, 12, 93, 26, 76, 17, 59 },
{ 136, 72, 89, 95, 46, 59, 47, 56, 61, 68, 35, 51, 32, 82, 26, 69 },
{ 122, 80, 87, 105, 49, 47, 46, 46, 57, 52, 13, 90, 19, 103, 15, 93 },
{ 1009, 0, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 0 },
{ 1011, 0, 0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 202, 20, 84, 114, 14, 60, 41, 79, 99, 21, 41, 15, 50, 84, 34, 66 },
{ 196, 44, 23, 72, 30, 22, 28, 57, 67, 13, 4, 165, 15, 148, 9, 131 },
{ 882, 0, 0, 0, 0, 0, 0, 0, 0, 142, 0, 0, 0, 0, 0, 0 },
{ 840, 0, 0, 0, 0, 0, 0, 0, 0, 184, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
{ { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 } },
{ { 213, 110, 141, 269, 12, 16, 15, 19, 21, 11, 38, 68, 22, 29, 16, 24 },
{ 216, 119, 128, 143, 38, 41, 26, 30, 31, 30, 42, 70, 23, 36, 19, 32 },
{ 367, 149, 154, 154, 38, 35, 17, 21, 21, 10, 22, 36, 0, 0, 0, 0 },
{ 1022, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 219, 96, 127, 191, 21, 40, 25, 32, 34, 18, 45, 45, 33, 39, 26, 33 },
{ 296, 99, 122, 198, 23, 21, 19, 24, 25, 13, 20, 64, 23, 32, 18, 27 },
{ 275, 128, 142, 143, 35, 48, 23, 30, 29, 18, 42, 36, 18, 23, 14, 20 },
{ 239, 132, 166, 175, 36, 27, 19, 21, 24, 14, 13, 85, 9, 31, 8, 25 },
{ 1022, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0 },
{ 1022, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 309, 25, 79, 59, 25, 80, 34, 53, 61, 25, 49, 23, 43, 64, 36, 59 },
{ 270, 57, 40, 54, 50, 42, 41, 53, 56, 28, 17, 81, 45, 86, 34, 70 },
{ 1005, 0, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 0 },
{ 992, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
{ { 133, 63, 55, 83, 57, 87, 58, 72, 68, 16, 24, 35, 29, 105, 25, 114 },
{ 131, 75, 74, 60, 71, 77, 65, 66, 73, 33, 21, 79, 20, 83, 18, 78 },
{ 276, 95, 82, 58, 86, 93, 63, 60, 64, 17, 38, 92, 0, 0, 0, 0 },
{ 1006, 0, 0, 0, 0, 0, 0, 0, 0, 18, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 147, 49, 75, 78, 50, 97, 60, 67, 76, 17, 42, 35, 31, 93, 27, 80 },
{ 157, 49, 58, 75, 61, 52, 56, 67, 69, 12, 15, 79, 24, 119, 11, 120 },
{ 178, 69, 83, 77, 69, 85, 72, 77, 77, 20, 35, 40, 25, 48, 23, 46 },
{ 174, 55, 64, 57, 73, 68, 62, 61, 75, 15, 12, 90, 17, 99, 16, 86 },
{ 1008, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0 },
{ 1018, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 266, 31, 63, 64, 21, 52, 39, 54, 63, 30, 52, 31, 48, 89, 46, 75 },
{ 272, 26, 32, 44, 29, 31, 32, 53, 51, 13, 13, 88, 22, 153, 16, 149 },
{ 923, 0, 0, 0, 0, 0, 0, 0, 0, 101, 0, 0, 0, 0, 0, 0 },
{ 969, 0, 0, 0, 0, 0, 0, 0, 0, 55, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
{ { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 },
{ 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 } },
{ { 158, 92, 125, 298, 12, 15, 20, 29, 31, 12, 29, 67, 34, 44, 23, 35 },
{ 147, 94, 103, 123, 45, 48, 38, 41, 46, 48, 37, 78, 33, 63, 27, 53 },
{ 268, 126, 125, 136, 54, 53, 31, 38, 38, 33, 35, 87, 0, 0, 0, 0 },
{ 1018, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 159, 72, 103, 194, 20, 35, 37, 50, 56, 21, 39, 40, 51, 61, 38, 48 },
{ 259, 86, 95, 188, 32, 20, 25, 34, 37, 13, 12, 85, 25, 53, 17, 43 },
{ 189, 99, 113, 123, 45, 59, 37, 46, 48, 44, 39, 41, 31, 47, 26, 37 },
{ 175, 110, 113, 128, 58, 38, 33, 33, 43, 29, 13, 100, 14, 68, 12, 57 },
{ 1017, 0, 0, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0 },
{ 1019, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 208, 22, 84, 101, 21, 59, 44, 70, 90, 25, 59, 13, 64, 67, 49, 48 },
{ 277, 52, 32, 63, 43, 26, 33, 48, 54, 11, 6, 130, 18, 119, 11, 101 },
{ 963, 0, 0, 0, 0, 0, 0, 0, 0, 61, 0, 0, 0, 0, 0, 0 },
{ 979, 0, 0, 0, 0, 0, 0, 0, 0, 45, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1024, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }
};
const int default_warped_probs[FRAME_UPDATE_TYPES] = { 64, 64, 64, 64,
64, 64, 64 };
// TODO(yunqing): the default probs can be trained later from better
// performance.
const int default_switchable_interp_probs[FRAME_UPDATE_TYPES]
[SWITCHABLE_FILTER_CONTEXTS]
[SWITCHABLE_FILTERS] = {
{ { 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 } },
{ { 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 } },
{ { 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 } },
{ { 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 } },
{ { 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 } },
{ { 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 } },
{ { 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 },
{ 512, 512, 512 } }
};
#if CONFIG_BRU
/* Convert cpi->active_map to BRU active map (SB-by-SB) */
void set_ard_active_map(AV1_COMP *cpi) {
struct segmentation *const seg = &cpi->common.seg;
const unsigned char *const active_map = cpi->active_map.map;
const int mi_rows = cpi->common.mi_params.mi_rows;
const int mi_cols = cpi->common.mi_params.mi_cols;
BruInfo *bru_info = &cpi->common.bru;
if (cpi->common.seq_params.enable_bru) {
if (cpi->active_map.update) {
const int unit_rows = cpi->common.bru.unit_rows;
const int unit_cols = cpi->common.bru.unit_cols;
if (cpi->active_map.enabled) {
const int unit_size = cpi->common.seq_params.mib_size;
uint8_t *const active_mode_map = bru_info->active_mode_map;
// outer loops for superblock
bru_info->blocks_skipped = 0;
for (int r = 0, mi_row = 0, unit_idx = 0; r < unit_rows;
r++, mi_row += unit_size) {
for (int c = 0, mi_col = 0; c < unit_cols;
c++, unit_idx++, mi_col += unit_size) {
assert(mi_row <= mi_rows);
assert(mi_col <= mi_cols);
// compute number of source pixels within current superblock
// compute number of MI rows and columns in current superblock
const int mi_rows_in_sb = AOMMIN(unit_size, mi_rows - mi_row);
const int mi_cols_in_sb = AOMMIN(unit_size, mi_cols - mi_col);
const int mi_offset = (r * unit_size) * mi_cols + c * unit_size;
// UNIT is active if any MI within it is active
bool is_unit_active = false;
for (int rr = 0; rr < mi_rows_in_sb; rr++) {
for (int cc = 0; cc < mi_cols_in_sb; cc++) {
if (active_map[mi_offset + rr * mi_cols + cc] ==
AM_SEGMENT_ID_ACTIVE)
is_unit_active = true;
}
}
if (is_unit_active) {
active_mode_map[unit_idx] = 3;
} else {
active_mode_map[unit_idx] = 0;
bru_info->blocks_skipped++;
}
}
}
} else {
memset(bru_info->active_mode_map, 2, bru_info->total_units);
}
}
av1_disable_segmentation(seg);
cpi->active_map.update = 0;
return;
}
}
// Breadth-First Search to find clusters
ARD_Queue *ARD_BFS(unsigned char *map, int width, int height, int x, int y,
uint8_t *visited, int *x_min, int *y_min, int *x_max,
int *y_max, int *count) {
ARD_Queue *q = ard_create_queue();
ARD_Queue *q_sd = ard_create_queue();
ARD_Coordinate start = { x, y };
int active_count = 0;
ard_enqueue(q, start);
ard_enqueue(q_sd, start);
active_count++;
visited[y * width + x] = 1;
*x_min = x;
*x_max = x;
*y_min = y;
*y_max = y;
while (!ard_is_queue_empty(q)) {
ARD_Coordinate current = ard_dequeue(q);
for (int dy = -2; dy <= 2; dy++) {
for (int dx = -2; dx <= 2; dx++) {
if (dx == 0 && dy == 0) continue;
int nx = current.x + dx;
int ny = current.y + dy;
if (is_valid_ard_location(nx, ny, width, height) &&
!visited[ny * width + nx] && (map[ny * width + nx] & 1)) {
ARD_Coordinate next = { nx, ny };
ard_enqueue(q, next);
ard_enqueue(q_sd, next);
active_count++;
visited[ny * width + nx] = 1;
*x_min = (*x_min < nx) ? *x_min : nx;
*y_min = (*y_min < ny) ? *y_min : ny;
*x_max = (*x_max > nx) ? *x_max : nx;
*y_max = (*y_max > ny) ? *y_max : ny;
}
}
}
}
free(q);
*count = active_count;
return q_sd;
}
// Check if two rect region overlap
static bool is_rect_overlap(AV1PixelRect *rect1, AV1PixelRect *rect2) {
int left = AOMMAX(rect1->left, rect2->left);
int right = AOMMIN(rect1->right, rect2->right);
int top = AOMMAX(rect1->top, rect2->top);
int bottom = AOMMIN(rect1->bottom, rect2->bottom);
if (left < right && bottom > top)
return true;
else
return false;
}
// Function to find clusters and their bounding boxes
AV1PixelRect *cluster_active_regions(unsigned char *map, AV1PixelRect *regions,
uint32_t *act_sb_in_region,
ARD_Queue **ard_queue, int width,
int height, uint32_t *numRegions) {
uint8_t *visited = (uint8_t *)calloc(height * width, sizeof(uint8_t));
*numRegions = 0;
for (int j = 0; j < height; j++) {
for (int i = 0; i < width; i++) {
if (!visited[j * width + i] && (map[j * width + i] & 1)) {
int x_min, y_min, x_max, y_max;
int count = 0;
ARD_Queue *q = ARD_BFS(map, width, height, i, j, visited, &x_min,
&y_min, &x_max, &y_max, &count);
AV1PixelRect *region = &regions[*numRegions];
region->left = x_min;
region->top = y_min;
region->right = x_max + 1;
region->bottom = y_max + 1;
act_sb_in_region[*numRegions] = count;
ard_queue[*numRegions] = q;
(*numRegions)++;
}
}
}
free(visited);
// merge first (assume all the regions are not extened yet)
for (int r = (*numRegions) - 1; r > 0; r--) {
AV1PixelRect *r0 = &regions[r];
AV1PixelRect r0e;
r0e.left = AOMMAX(r0->left - 1, 0);
r0e.top = AOMMAX(r0->top - 1, 0);
r0e.right = AOMMIN(r0->right + 1, width);
r0e.bottom = AOMMIN(r0->bottom + 1, height);
for (int p = r - 1; p >= 0; p--) {
if (p == r) continue;
AV1PixelRect *r1 = &regions[p];
AV1PixelRect r1e;
r1e.left = AOMMAX(r1->left - 1, 0);
r1e.top = AOMMAX(r1->top - 1, 0);
r1e.right = AOMMIN(r1->right + 1, width);
r1e.bottom = AOMMIN(r1->bottom + 1, height);
// is overlap with extened
if (is_rect_overlap(&r0e, &r1e)) {
r1->left = AOMMIN(r0->left, r1->left);
r1->top = AOMMIN(r0->top, r1->top);
r1->bottom = AOMMAX(r0->bottom, r1->bottom);
r1->right = AOMMAX(r0->right, r1->right);
(*numRegions)--;
ARD_Queue *qr = ard_queue[r];
ARD_Queue *qp = ard_queue[p];
assert(qr);
assert(qp);
while (qr && !ard_is_queue_empty(qr)) {
ard_enqueue(qp, ard_dequeue(qr));
}
free(qr);
act_sb_in_region[p] += act_sb_in_region[r];
// need to shift all the region # > r to r
for (uint32_t k = r; k < *(numRegions); k++) {
ard_queue[k] = ard_queue[k + 1];
regions[k] = regions[k + 1];
act_sb_in_region[k] = act_sb_in_region[k + 1];
}
// set previouis last to NULL
ard_queue[*(numRegions)] = NULL;
act_sb_in_region[*(numRegions)] = 0;
// reset the loop
r = *numRegions;
break;
}
}
}
// for now, set inside all active //fix this if there are issues (time or
// rate)
for (uint32_t r = 0; r < *numRegions; r++) {
unsigned char *p = map + regions[r].top * width;
for (int y = regions[r].top; y < regions[r].bottom; y++) {
for (int x = regions[r].left; x < regions[r].right; x++) {
p[x] = 3;
}
p += width;
}
}
// then extend
for (uint32_t r = 0; r < *numRegions; r++) {
unsigned char *p;
AV1PixelRect ext_region;
ext_region.left = AOMMAX(regions[r].left - 1, 0);
ext_region.top = AOMMAX(regions[r].top - 1, 0);
ext_region.right = AOMMIN(regions[r].right + 1, width);
ext_region.bottom = AOMMIN(regions[r].bottom + 1, height);
p = map + ext_region.top * width;
for (int y = ext_region.top; y < ext_region.bottom; y++) {
for (int x = ext_region.left; x < ext_region.right; x++) {
p[x] |= 1;
if (p[x] == 3) {
p[x] = 2;
}
}
p += width;
}
}
return regions;
}
#endif // CONFIG_BRU
void av1_apply_active_map(AV1_COMP *cpi) {
struct segmentation *const seg = &cpi->common.seg;
unsigned char *const seg_map = cpi->enc_seg.map;
const unsigned char *const active_map = cpi->active_map.map;
int i;
assert(AM_SEGMENT_ID_ACTIVE == CR_SEGMENT_ID_BASE);
if (frame_is_intra_only(&cpi->common)) {
cpi->active_map.enabled = 0;
cpi->active_map.update = 1;
}
if (cpi->active_map.update) {
if (cpi->active_map.enabled) {
for (i = 0;
i < cpi->common.mi_params.mi_rows * cpi->common.mi_params.mi_cols;
++i)
if (seg_map[i] == AM_SEGMENT_ID_ACTIVE) seg_map[i] = active_map[i];
av1_enable_segmentation(seg);
av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_H);
av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_V);
av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_U);
av1_enable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_V);
av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_H,
-MAX_LOOP_FILTER);
av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_V,
-MAX_LOOP_FILTER);
av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_U,
-MAX_LOOP_FILTER);
av1_set_segdata(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_V,
-MAX_LOOP_FILTER);
} else {
av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_SKIP);
av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_H);
av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_Y_V);
av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_U);
av1_disable_segfeature(seg, AM_SEGMENT_ID_INACTIVE, SEG_LVL_ALT_LF_V);
if (seg->enabled) {
seg->update_data = 1;
seg->update_map = 1;
}
}
cpi->active_map.update = 0;
}
}
static void process_tpl_stats_frame(AV1_COMP *cpi) {
const GF_GROUP *const gf_group = &cpi->gf_group;
AV1_COMMON *const cm = &cpi->common;
assert(IMPLIES(gf_group->size > 0, gf_group->index < gf_group->size));
const int tpl_idx = gf_group->index;
TplParams *const tpl_data = &cpi->tpl_data;
TplDepFrame *tpl_frame = &tpl_data->tpl_frame[tpl_idx];
TplDepStats *tpl_stats = tpl_frame->tpl_stats_ptr;
if (tpl_frame->is_valid) {
int tpl_stride = tpl_frame->stride;
int64_t intra_cost_base = 0;
int64_t mc_dep_cost_base = 0;
const int step = 1 << tpl_data->tpl_stats_block_mis_log2;
const int row_step = step;
#if CONFIG_ENABLE_SR
const int col_step_sr =
coded_to_superres_mi(step, cm->superres_scale_denominator);
const int mi_cols_sr = av1_pixels_to_mi(cm->superres_upscaled_width);
#else
const int col_step_sr = step;
const int mi_cols_sr = av1_pixels_to_mi(cm->width);
#endif // CONFIG_ENABLE_SR
for (int row = 0; row < cm->mi_params.mi_rows; row += row_step) {
for (int col = 0; col < mi_cols_sr; col += col_step_sr) {
TplDepStats *this_stats = &tpl_stats[av1_tpl_ptr_pos(
row, col, tpl_stride, tpl_data->tpl_stats_block_mis_log2)];
int64_t mc_dep_delta =
RDCOST(tpl_frame->base_rdmult, this_stats->mc_dep_rate,
this_stats->mc_dep_dist);
intra_cost_base += (this_stats->recrf_dist << RDDIV_BITS);
mc_dep_cost_base +=
(this_stats->recrf_dist << RDDIV_BITS) + mc_dep_delta;
}
}
if (mc_dep_cost_base == 0) {
tpl_frame->is_valid = 0;
} else {
aom_clear_system_state();
cpi->rd.r0 = (double)intra_cost_base / mc_dep_cost_base;
if (is_frame_tpl_eligible(gf_group, gf_group->index)) {
if (cpi->lap_enabled) {
double min_boost_factor = sqrt(cpi->rc.baseline_gf_interval);
const int gfu_boost = get_gfu_boost_from_r0_lap(
min_boost_factor, MAX_GFUBOOST_FACTOR, cpi->rd.r0,
cpi->rc.num_stats_required_for_gfu_boost);
// printf("old boost %d new boost %d\n", cpi->rc.gfu_boost,
// gfu_boost);
cpi->rc.gfu_boost = combine_prior_with_tpl_boost(
min_boost_factor, MAX_BOOST_COMBINE_FACTOR, cpi->rc.gfu_boost,
gfu_boost, cpi->rc.num_stats_used_for_gfu_boost);
} else {
const int gfu_boost = (int)(200.0 / cpi->rd.r0);
cpi->rc.gfu_boost = combine_prior_with_tpl_boost(
MIN_BOOST_COMBINE_FACTOR, MAX_BOOST_COMBINE_FACTOR,
cpi->rc.gfu_boost, gfu_boost, cpi->rc.frames_to_key);
}
}
aom_clear_system_state();
}
}
}
void av1_set_size_dependent_vars(AV1_COMP *cpi, int *q, int *bottom_index,
int *top_index) {
AV1_COMMON *const cm = &cpi->common;
// Setup variables that depend on the dimensions of the frame.
av1_set_speed_features_framesize_dependent(cpi, cpi->speed);
GF_GROUP *gf_group = &cpi->gf_group;
if (cpi->oxcf.algo_cfg.enable_tpl_model &&
is_frame_tpl_eligible(gf_group, gf_group->index)) {
process_tpl_stats_frame(cpi);
av1_tpl_rdmult_setup(cpi);
}
// Decide q and q bounds.
*q = av1_rc_pick_q_and_bounds(cpi, &cpi->rc, cm->width, cm->height,
cpi->gf_group.index, bottom_index, top_index);
}
static void reset_film_grain_chroma_params(aom_film_grain_t *pars) {
pars->num_cr_points = 0;
pars->cr_mult = 0;
pars->cr_luma_mult = 0;
memset(pars->scaling_points_cr, 0, sizeof(pars->scaling_points_cr));
memset(pars->ar_coeffs_cr, 0, sizeof(pars->ar_coeffs_cr));
pars->num_cb_points = 0;
pars->cb_mult = 0;
pars->cb_luma_mult = 0;
pars->chroma_scaling_from_luma = 0;
memset(pars->scaling_points_cb, 0, sizeof(pars->scaling_points_cb));
memset(pars->ar_coeffs_cb, 0, sizeof(pars->ar_coeffs_cb));
}
void av1_update_film_grain_parameters(struct AV1_COMP *cpi,
const AV1EncoderConfig *oxcf) {
AV1_COMMON *const cm = &cpi->common;
cpi->oxcf = *oxcf;
const TuneCfg *const tune_cfg = &oxcf->tune_cfg;
if (cpi->film_grain_table) {
aom_film_grain_table_free(cpi->film_grain_table);
aom_free(cpi->film_grain_table);
cpi->film_grain_table = NULL;
}
if (tune_cfg->film_grain_test_vector) {
cm->seq_params.film_grain_params_present = 1;
if (cm->current_frame.frame_type == KEY_FRAME) {
memcpy(&cm->film_grain_params,
film_grain_test_vectors + tune_cfg->film_grain_test_vector - 1,
sizeof(cm->film_grain_params));
if (oxcf->tool_cfg.enable_monochrome)
reset_film_grain_chroma_params(&cm->film_grain_params);
cm->film_grain_params.bit_depth = cm->seq_params.bit_depth;
if (cm->seq_params.color_range == AOM_CR_FULL_RANGE) {
cm->film_grain_params.clip_to_restricted_range = 0;
}
}
} else if (tune_cfg->film_grain_table_filename) {
cm->seq_params.film_grain_params_present = 1;
cpi->film_grain_table = aom_malloc(sizeof(*cpi->film_grain_table));
memset(cpi->film_grain_table, 0, sizeof(aom_film_grain_table_t));
aom_film_grain_table_read(cpi->film_grain_table,
tune_cfg->film_grain_table_filename, &cm->error);
} else {
#if CONFIG_DENOISE
cm->seq_params.film_grain_params_present = (cpi->oxcf.noise_level > 0);
#else
cm->seq_params.film_grain_params_present = 0;
#endif
memset(&cm->film_grain_params, 0, sizeof(cm->film_grain_params));
}
}
void av1_scale_references(AV1_COMP *cpi, const InterpFilter filter,
const int phase, const int use_optimized_scaler) {
AV1_COMMON *cm = &cpi->common;
const int num_planes = av1_num_planes(cm);
MV_REFERENCE_FRAME ref_frame;
for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
// Need to convert from AOM_REFFRAME to index into ref_mask (subtract 1).
if (cm->ref_frame_flags & (1 << ref_frame)) {
BufferPool *const pool = cm->buffer_pool;
const YV12_BUFFER_CONFIG *const ref =
get_ref_frame_yv12_buf(cm, ref_frame);
if (ref == NULL) {
cpi->scaled_ref_buf[ref_frame] = NULL;
continue;
}
if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height) {
// Replace the reference buffer with a copy having a thicker border,
// if the reference buffer is higher resolution than the current
// frame, and the border is thin.
if ((ref->y_crop_width > cm->width ||
ref->y_crop_height > cm->height) &&
ref->border < AOM_BORDER_IN_PIXELS) {
RefCntBuffer *ref_fb = get_ref_frame_buf(cm, ref_frame);
if (aom_yv12_realloc_with_new_border(
&ref_fb->buf, AOM_BORDER_IN_PIXELS,
cm->features.byte_alignment, num_planes,
cpi->alloc_pyramid) != 0) {
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate frame buffer");
}
}
int force_scaling = 0;
RefCntBuffer *new_fb = cpi->scaled_ref_buf[ref_frame];
if (new_fb == NULL) {
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
check_ref_count_status_enc(cpi);
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT_ENHANCEMENT
const int new_fb_idx = get_free_fb(cm);
if (new_fb_idx == INVALID_IDX) {
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Unable to find free frame buffer");
}
force_scaling = 1;
new_fb = &pool->frame_bufs[new_fb_idx];
}
if (force_scaling || new_fb->buf.y_crop_width != cm->width ||
new_fb->buf.y_crop_height != cm->height) {
if (aom_realloc_frame_buffer(
&new_fb->buf, cm->width, cm->height,
cm->seq_params.subsampling_x, cm->seq_params.subsampling_y,
AOM_BORDER_IN_PIXELS, cm->features.byte_alignment, NULL, NULL,
NULL, cpi->alloc_pyramid)) {
if (force_scaling) {
// Release the reference acquired in the get_free_fb() call above.
--new_fb->ref_count;
}
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate frame buffer");
}
if (use_optimized_scaler && cm->seq_params.bit_depth == AOM_BITS_8)
av1_resize_and_extend_frame(ref, &new_fb->buf, filter, phase,
num_planes);
else
av1_resize_and_extend_frame_nonnormative(
ref, &new_fb->buf, (int)cm->seq_params.bit_depth, num_planes);
cpi->scaled_ref_buf[ref_frame] = new_fb;
alloc_frame_mvs(cm, new_fb);
}
} else {
RefCntBuffer *buf = get_ref_frame_buf(cm, ref_frame);
buf->buf.y_crop_width = ref->y_crop_width;
buf->buf.y_crop_height = ref->y_crop_height;
cpi->scaled_ref_buf[ref_frame] = buf;
++buf->ref_count;
}
} else {
if (!has_no_stats_stage(cpi)) cpi->scaled_ref_buf[ref_frame] = NULL;
}
}
}
BLOCK_SIZE av1_select_sb_size(const AV1_COMP *const cpi) {
const AV1_COMMON *const cm = &cpi->common;
const AV1EncoderConfig *const oxcf = &cpi->oxcf;
if (oxcf->tool_cfg.superblock_size == AOM_SUPERBLOCK_SIZE_64X64)
return BLOCK_64X64;
if (oxcf->tool_cfg.superblock_size == AOM_SUPERBLOCK_SIZE_128X128)
return BLOCK_128X128;
if (oxcf->tool_cfg.superblock_size == AOM_SUPERBLOCK_SIZE_256X256)
return BLOCK_256X256;
assert(oxcf->tool_cfg.superblock_size == AOM_SUPERBLOCK_SIZE_DYNAMIC);
if (oxcf->resize_cfg.resize_mode != RESIZE_NONE) {
// Use the configured size (top resolution) for spatial layers or
// on resize.
return AOMMIN(oxcf->frm_dim_cfg.width, oxcf->frm_dim_cfg.height) >= 720
? BLOCK_256X256
: AOMMIN(oxcf->frm_dim_cfg.width, oxcf->frm_dim_cfg.height) > 480
? BLOCK_128X128
: BLOCK_64X64;
}
// TODO(any): Possibly could improve this with a heuristic.
// When superres / resize is on, 'cm->width / height' can change between
// calls, so we don't apply this heuristic there.
// Things break if superblock size changes between the first pass and second
// pass encoding, which is why this heuristic is not configured as a
// speed-feature.
if (
#if CONFIG_ENABLE_SR
oxcf->superres_cfg.superres_mode == AOM_SUPERRES_NONE &&
#endif // CONFIG_ENABLE_SR
oxcf->resize_cfg.resize_mode == RESIZE_NONE && oxcf->speed > 1) {
return AOMMIN(cm->width, cm->height) > 480 ? BLOCK_128X128 : BLOCK_64X64;
}
return AOMMIN(oxcf->frm_dim_cfg.width, oxcf->frm_dim_cfg.height) >= 720
? BLOCK_256X256
: BLOCK_128X128;
}
void reallocate_sb_size_dependent_buffers(AV1_COMP *cpi) {
// Note: this is heavier than it needs to be. We can avoid reallocating some
// of the buffers.
AV1_COMMON *const cm = &cpi->common;
const int num_planes = av1_num_planes(cm);
av1_set_tile_info(cm, &cpi->oxcf.tile_cfg);
av1_free_context_buffers(cm);
av1_free_shared_coeff_buffer(&cpi->td.shared_coeff_buf);
av1_free_sms_tree(&cpi->td);
av1_free_sms_bufs(&cpi->td);
#if CONFIG_ML_PART_SPLIT
av2_part_split_prune_tflite_close(&(cpi->td.partition_model));
#endif // CONFIG_ML_PART_SPLIT
#if CONFIG_DIP_EXT_PRUNING
intra_dip_mode_prune_close(&(cpi->td.dip_pruning_model));
#endif // CONFIG_DIP_EXT_PRUNING
av1_free_pmc(cpi->td.firstpass_ctx, num_planes);
cpi->td.firstpass_ctx = NULL;
alloc_compressor_data(cpi);
if (av1_alloc_above_context_buffers(&cm->above_contexts, cm->tiles.rows,
cm->mi_params.mi_cols, num_planes)) {
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate context buffers");
}
const int old_restoration_unit_size = cm->rst_info[0].restoration_unit_size;
const SequenceHeader *const seq_params = &cm->seq_params;
#if CONFIG_ENABLE_SR
const int frame_width = cm->superres_upscaled_width;
const int frame_height = cm->superres_upscaled_height;
#else
const int frame_width = cm->width;
const int frame_height = cm->height;
#endif // CONFIG_ENABLE_SR
set_restoration_unit_size(frame_width, frame_height,
seq_params->subsampling_x,
seq_params->subsampling_y, cm->rst_info);
if (old_restoration_unit_size != cm->rst_info[0].restoration_unit_size) {
for (int i = 0; i < num_planes; ++i)
cm->rst_info[i].frame_restoration_type = RESTORE_NONE;
av1_alloc_restoration_buffers(cm);
}
}
void av1_setup_frame(AV1_COMP *cpi) {
AV1_COMMON *const cm = &cpi->common;
// Set up entropy context depending on frame type. The decoder mandates
// the use of the default context, index 0, for keyframes and inter
// frames where the error_resilient_mode or intra_only flag is set. For
// other inter-frames the encoder currently uses only two contexts;
// context 1 for ALTREF frames and context 0 for the others.
if (frame_is_intra_only(cm) || cm->features.error_resilient_mode ||
cpi->ext_flags.use_primary_ref_none) {
av1_setup_past_independence(cm);
}
const BLOCK_SIZE old_sb_size = cm->sb_size;
if ((cm->current_frame.frame_type == KEY_FRAME && cm->show_frame) ||
frame_is_sframe(cm)) {
if (!cpi->seq_params_locked) {
set_sb_size(cm, av1_select_sb_size(cpi));
}
} else {
#if CONFIG_PRIMARY_REF_FRAME_OPT
const RefCntBuffer *const primary_ref_buf =
get_primary_ref_frame_buf(cm, cm->features.primary_ref_frame);
#else
const RefCntBuffer *const primary_ref_buf = get_primary_ref_frame_buf(cm);
#endif // CONFIG_PRIMARY_REF_FRAME_OPT
if (primary_ref_buf == NULL) {
av1_setup_past_independence(cm);
cm->seg.update_map = 1;
cm->seg.update_data = 1;
} else {
*cm->fc = primary_ref_buf->frame_context;
#if CONFIG_ENHANCED_FRAME_CONTEXT_INIT
#if CONFIG_IMPROVED_SECONDARY_REFERENCE
int ref_frame_used = PRIMARY_REF_NONE;
int map_idx = INVALID_IDX;
get_secondary_reference_frame_idx(cm, &ref_frame_used, &map_idx);
avg_primary_secondary_references(cm, ref_frame_used, map_idx);
#else
const int ref_frame_used = (cm->features.primary_ref_frame ==
cm->features.derived_primary_ref_frame)
? cm->features.derived_secondary_ref_frame
: cm->features.derived_primary_ref_frame;
const int map_idx = get_ref_frame_map_idx(cm, ref_frame_used);
if ((map_idx != INVALID_IDX) &&
#if CONFIG_BRU
!cm->bru.frame_inactive_flag &&
#endif // CONFIG_BRU
(ref_frame_used != cm->features.primary_ref_frame) &&
(cm->seq_params.enable_avg_cdf && !cm->seq_params.avg_cdf_type) &&
!(cm->features.error_resilient_mode || frame_is_sframe(cm)) &&
(ref_frame_used != PRIMARY_REF_NONE)) {
av1_avg_cdf_symbols(cm->fc, &cm->ref_frame_map[map_idx]->frame_context,
AVG_CDF_WEIGHT_PRIMARY, AVG_CDF_WEIGHT_NON_PRIMARY);
}
#endif // CONFIG_IMPROVED_SECONDARY_REFERENCE
#endif // CONFIG_ENHANCED_FRAME_CONTEXT_INIT
}
}
av1_set_frame_sb_size(cm, cm->seq_params.sb_size);
cpi->td.sb_size = cm->sb_size;
av1_set_tile_info(cm, &cpi->oxcf.tile_cfg);
if (cm->sb_size != old_sb_size) {
// Reallocate sb_size-dependent buffers if the sb_size has changed.
reallocate_sb_size_dependent_buffers(cpi);
} else if (cpi->alloc_width < cm->width || cpi->alloc_height < cm->height) {
av1_free_context_buffers(cm);
av1_free_shared_coeff_buffer(&cpi->td.shared_coeff_buf);
av1_free_sms_tree(&cpi->td);
av1_free_sms_bufs(&cpi->td);
#if CONFIG_ML_PART_SPLIT
av2_part_split_prune_tflite_close(&(cpi->td.partition_model));
#endif // CONFIG_ML_PART_SPLIT
#if CONFIG_DIP_EXT_PRUNING
intra_dip_mode_prune_close(&(cpi->td.dip_pruning_model));
#endif // CONFIG_DIP_EXT_PRUNING
av1_free_pmc(cpi->td.firstpass_ctx, av1_num_planes(cm));
cpi->td.firstpass_ctx = NULL;
alloc_compressor_data(cpi);
if (av1_alloc_above_context_buffers(&cm->above_contexts, cm->tiles.rows,
cm->mi_params.mi_cols,
av1_num_planes(cm))) {
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate context buffers");
}
}
av1_zero(cm->cur_frame->interp_filter_selected);
#if CONFIG_PRIMARY_REF_FRAME_OPT
cm->prev_frame =
get_primary_ref_frame_buf(cm, cm->features.derived_primary_ref_frame);
#else
cm->prev_frame = get_primary_ref_frame_buf(cm);
#endif // CONFIG_PRIMARY_REF_FRAME_OPT
cpi->vaq_refresh = 0;
}
#if CONFIG_NEW_TX_PARTITION
#define STRICT_PSNR_DIFF_THRESH 0.88
#else
#define STRICT_PSNR_DIFF_THRESH 0.9
#endif // CONFIG_NEW_TX_PARTITION
// Encode key frame with/without screen content tools to determine whether
// screen content tools should be enabled for this key frame group or not.
// The first encoding is without screen content tools.
// The second encoding is with screen content tools.
// We compare the psnr and frame size to make the decision.
static void screen_content_tools_determination(
AV1_COMP *cpi, const int allow_screen_content_tools_orig_decision,
const int allow_intrabc_orig_decision,
const int is_screen_content_type_orig_decision, const int pass,
int *projected_size_pass, PSNR_STATS *psnr) {
AV1_COMMON *const cm = &cpi->common;
FeatureFlags *const features = &cm->features;
projected_size_pass[pass] = cpi->rc.projected_frame_size;
const uint32_t in_bit_depth = cpi->oxcf.input_cfg.input_bit_depth;
const uint32_t bit_depth = cpi->td.mb.e_mbd.bd;
aom_calc_highbd_psnr(cpi->source, &cpi->common.cur_frame->buf, &psnr[pass],
bit_depth, in_bit_depth,
is_lossless_requested(&cpi->oxcf.rc_cfg));
if (pass != 1) return;
const bool use_hbd_psnr = (cpi->b_calculate_psnr == 2);
const double psnr_diff = use_hbd_psnr
? psnr[1].psnr_hbd[0] - psnr[0].psnr_hbd[0]
: psnr[1].psnr[0] - psnr[0].psnr[0];
#if CONFIG_SCC_DETERMINATION
// Calculate % of palette mode to be chosen in a frame from mode decision.
const double palette_ratio =
(double)cpi->palette_pixel_num / (double)(cm->height * cm->width);
const int psnr_diff_is_large = (psnr_diff > STRICT_PSNR_DIFF_THRESH);
// Note: These two conditions are intentionally separated because combining
// them can cause division by zero under some compiler configurations (e.g.
// clang-16 + address sanitizer) when palette_ratio == 0.0.
int ratio_is_large = (palette_ratio >= 0.0001);
if (ratio_is_large) {
ratio_is_large = ((psnr_diff / palette_ratio) > 4);
}
const int is_sc_encoding_much_better = (psnr_diff_is_large || ratio_is_large);
// the following two flags are used to determine if we enable intrabc or not.
// Since intrabc is an expensive tool, we raise the threshold of
// palette_ratio.
// Note: these two conditions are intentionally separated (see note above).
int ratio_is_large_2 = (palette_ratio >= 0.25);
if (ratio_is_large_2) {
ratio_is_large_2 = ((psnr_diff / palette_ratio) > 4);
}
const int is_sc_encoding_much_better_2 =
(psnr_diff_is_large || ratio_is_large_2);
#else
const int is_sc_encoding_much_better = psnr_diff > STRICT_PSNR_DIFF_THRESH;
#endif // CONFIG_SCC_DETERMINATION
if (is_sc_encoding_much_better) {
// Use screen content tools, if we get coding gain.
features->allow_screen_content_tools = 1;
#if CONFIG_SCC_DETERMINATION
features->allow_intrabc =
(is_sc_encoding_much_better_2 || cpi->intrabc_used ||
allow_intrabc_orig_decision);
#else
features->allow_intrabc = cpi->intrabc_used;
#endif // CONFIG_SCC_DETERMINATION
cpi->is_screen_content_type = 1;
} else {
// Use original screen content decision.
features->allow_screen_content_tools =
allow_screen_content_tools_orig_decision;
features->allow_intrabc = allow_intrabc_orig_decision;
cpi->is_screen_content_type = is_screen_content_type_orig_decision;
}
}
// Set some encoding parameters to make the encoding process fast.
// A fixed block partition size, and a large q is used.
static void set_encoding_params_for_screen_content(AV1_COMP *cpi,
const int pass) {
AV1_COMMON *const cm = &cpi->common;
if (pass == 0) {
// In the first pass, encode without screen content tools.
// Use a high q, and a fixed block size for fast encoding.
cm->features.allow_screen_content_tools = 0;
cm->features.allow_intrabc = 0;
cpi->is_screen_content_type = 0;
cpi->sf.part_sf.partition_search_type = FIXED_PARTITION;
cpi->sf.part_sf.fixed_partition_size = BLOCK_32X32;
return;
}
assert(pass == 1);
// In the second pass, encode with screen content tools.
// Use a high q, and a fixed block size for fast encoding.
cm->features.allow_screen_content_tools = 1;
// TODO(chengchen): turn intrabc on could lead to data race issue.
// cm->allow_intrabc = 1;
cpi->is_screen_content_type = 1;
cpi->sf.part_sf.partition_search_type = FIXED_PARTITION;
cpi->sf.part_sf.fixed_partition_size = BLOCK_32X32;
}
// Determines whether to use screen content tools for the key frame group.
// This function modifies "cm->features.allow_screen_content_tools",
// "cm->features.allow_intrabc" and "cpi->is_screen_content_type".
void av1_determine_sc_tools_with_encoding(AV1_COMP *cpi, const int q_orig) {
AV1_COMMON *const cm = &cpi->common;
const AV1EncoderConfig *const oxcf = &cpi->oxcf;
const QuantizationCfg *const q_cfg = &oxcf->q_cfg;
// Variables to help determine if we should allow screen content tools.
int projected_size_pass[3] = { 0 };
PSNR_STATS psnr[3];
const int is_key_frame = cm->current_frame.frame_type == KEY_FRAME;
const int allow_screen_content_tools_orig_decision =
cm->features.allow_screen_content_tools;
const int allow_intrabc_orig_decision = cm->features.allow_intrabc;
const int is_screen_content_type_orig_decision = cpi->is_screen_content_type;
#if CONFIG_IBC_SR_EXT
if (cpi->oxcf.tune_cfg.content == AOM_CONTENT_SCREEN) {
cm->features.allow_screen_content_tools = cm->features.allow_intrabc = 1;
return;
}
#endif // CONFIG_IBC_SR_EXT
// Turn off the encoding trial for forward key frame and superres.
if (oxcf->kf_cfg.fwd_kf_enabled ||
#if CONFIG_ENABLE_SR
cpi->superres_mode != AOM_SUPERRES_NONE ||
#endif // CONFIG_ENABLE_SR
is_screen_content_type_orig_decision || !is_key_frame) {
return;
}
if (oxcf->kf_cfg.fwd_kf_enabled || is_screen_content_type_orig_decision ||
!is_key_frame) {
return;
}
// TODO(chengchen): multiple encoding for the lossless mode is time consuming.
// Find a better way to determine whether screen content tools should be used
// for lossless coding.
// Use a high q and a fixed partition to do quick encoding.
const int q_for_screen_content_quick_run =
#if CONFIG_SCC_DETERMINATION
is_lossless_requested(&oxcf->rc_cfg) ? q_orig : AOMMAX(q_orig, 200);
#else
is_lossless_requested(&oxcf->rc_cfg) ? q_orig : AOMMAX(q_orig, 244);
#endif // CONFIG_SCC_DETERMINATION
const int partition_search_type_orig = cpi->sf.part_sf.partition_search_type;
const BLOCK_SIZE fixed_partition_block_size_orig =
cpi->sf.part_sf.fixed_partition_size;
// Setup necessary params for encoding, including frame source, etc.
aom_clear_system_state();
cpi->source =
av1_scale_if_required(cm, cpi->unscaled_source, &cpi->scaled_source,
cm->features.interp_filter, 0, false
#if CONFIG_ENABLE_SR
,
false
#endif // CONFIG_ENABLE_SR
);
if (cpi->unscaled_last_source != NULL) {
cpi->last_source = av1_scale_if_required(
cm, cpi->unscaled_last_source, &cpi->scaled_last_source,
cm->features.interp_filter, 0, false
#if CONFIG_ENABLE_SR
,
false
#endif // CONFIG_ENABLE_SR
);
}
if (cm->seg.enabled) {
if (!cm->seg.update_data && cm->prev_frame) {
segfeatures_copy(&cm->seg, &cm->prev_frame->seg);
cm->seg.enabled = cm->prev_frame->seg.enabled;
} else {
av1_calculate_segdata(&cm->seg);
}
} else {
memset(&cm->seg, 0, sizeof(cm->seg));
}
segfeatures_copy(&cm->cur_frame->seg, &cm->seg);
cm->cur_frame->seg.enabled = cm->seg.enabled;
#if CONFIG_EXT_SEG
cm->cur_frame->seg.enable_ext_seg = cm->seq_params.enable_ext_seg;
#endif
// The two encoding passes aim to help determine whether to use screen
// content tools, with a high q and fixed partition.
for (int pass = 0; pass < 2; ++pass) {
set_encoding_params_for_screen_content(cpi, pass);
av1_set_quantizer(cpi, q_cfg->qm_minlevel, q_cfg->qm_maxlevel,
q_for_screen_content_quick_run,
q_cfg->enable_chroma_deltaq);
av1_set_speed_features_qindex_dependent(cpi, oxcf->speed);
av1_setup_frame(cpi);
av1_set_lossless(cpi);
#if CONFIG_TCQ
cm->features.tcq_mode = 0;
#endif // CONFIG_TCQ
av1_enc_setup_ph_frame(cpi);
av1_init_quantizer(&cm->seq_params, &cpi->enc_quant_dequant_params, cm);
// transform / motion compensation build reconstruction frame
av1_encode_frame(cpi);
// Screen content decision
screen_content_tools_determination(
cpi, allow_screen_content_tools_orig_decision,
allow_intrabc_orig_decision, is_screen_content_type_orig_decision, pass,
projected_size_pass, psnr);
}
#if CONFIG_SCC_DETERMINATION
assert(is_key_frame);
cm->features.kf_allow_sc_tools = cm->features.allow_screen_content_tools;
#endif // CONFIG_SCC_DETERMINATION
// Set partition speed feature back.
cpi->sf.part_sf.partition_search_type = partition_search_type_orig;
cpi->sf.part_sf.fixed_partition_size = fixed_partition_block_size_orig;
}
static void fix_interp_filter(InterpFilter *const interp_filter,
const FRAME_COUNTS *const counts) {
if (*interp_filter == SWITCHABLE) {
// Check to see if only one of the filters is actually used
int count[SWITCHABLE_FILTERS] = { 0 };
int num_filters_used = 0;
for (int i = 0; i < SWITCHABLE_FILTERS; ++i) {
for (int j = 0; j < SWITCHABLE_FILTER_CONTEXTS; ++j)
count[i] += counts->switchable_interp[j][i];
num_filters_used += (count[i] > 0);
}
if (num_filters_used == 1) {
// Only one filter is used. So set the filter at frame level
for (int i = 0; i < SWITCHABLE_FILTERS; ++i) {
if (count[i]) {
if (i == EIGHTTAP_REGULAR) *interp_filter = i;
break;
}
}
}
}
}
void av1_finalize_encoded_frame(AV1_COMP *const cpi) {
AV1_COMMON *const cm = &cpi->common;
CurrentFrame *const current_frame = &cm->current_frame;
if (!cm->seq_params.reduced_still_picture_hdr &&
(encode_show_existing_frame(cm) || cm->show_existing_frame)) {
RefCntBuffer *const frame_to_show =
cm->ref_frame_map[cpi->existing_fb_idx_to_show];
if (frame_to_show == NULL) {
aom_internal_error(&cm->error, AOM_CODEC_UNSUP_BITSTREAM,
"Buffer does not contain a reconstructed frame");
}
#if !CONFIG_REF_LIST_DERIVATION_FOR_TEMPORAL_SCALABILITY
assert(frame_to_show->ref_count > 0);
#endif // !CONFIG_REF_LIST_DERIVATION_FOR_TEMPORAL_SCALABILITY
assign_frame_buffer_p(&cm->cur_frame, frame_to_show);
}
if (!encode_show_existing_frame(cm) &&
cm->seq_params.film_grain_params_present &&
(cm->show_frame || cm->showable_frame)) {
// Copy the current frame's film grain params to the its corresponding
// RefCntBuffer slot.
cm->cur_frame->film_grain_params = cm->film_grain_params;
// We must update the parameters if this is not an INTER_FRAME
if (current_frame->frame_type != INTER_FRAME)
cm->cur_frame->film_grain_params.update_parameters = 1;
// Iterate the random seed for the next frame.
cm->film_grain_params.random_seed += 3381;
if (cm->film_grain_params.random_seed == 0)
cm->film_grain_params.random_seed = 7391;
}
// Initialise all tiles' contexts from the global frame context
for (int tile_col = 0; tile_col < cm->tiles.cols; tile_col++) {
for (int tile_row = 0; tile_row < cm->tiles.rows; tile_row++) {
const int tile_idx = tile_row * cm->tiles.cols + tile_col;
cpi->tile_data[tile_idx].tctx = *cm->fc;
}
}
fix_interp_filter(&cm->features.interp_filter, cpi->td.counts);
}
int av1_is_integer_mv(const YV12_BUFFER_CONFIG *cur_picture,
const YV12_BUFFER_CONFIG *last_picture,
ForceIntegerMVInfo *const force_intpel_info) {
aom_clear_system_state();
// check use hash ME
int k;
const int block_size = FORCE_INT_MV_DECISION_BLOCK_SIZE;
const double threshold_current = 0.8;
const double threshold_average = 0.95;
const int max_history_size = 32;
int T = 0; // total block
int C = 0; // match with collocated block
int S = 0; // smooth region but not match with collocated block
const int pic_width = cur_picture->y_width;
const int pic_height = cur_picture->y_height;
for (int i = 0; i + block_size <= pic_height; i += block_size) {
for (int j = 0; j + block_size <= pic_width; j += block_size) {
const int x_pos = j;
const int y_pos = i;
int match = 1;
T++;
// check whether collocated block match with current
uint16_t *p_cur = cur_picture->y_buffer;
uint16_t *p_ref = last_picture->y_buffer;
int stride_cur = cur_picture->y_stride;
int stride_ref = last_picture->y_stride;
p_cur += (y_pos * stride_cur + x_pos);
p_ref += (y_pos * stride_ref + x_pos);
for (int tmpY = 0; tmpY < block_size && match; tmpY++) {
for (int tmpX = 0; tmpX < block_size && match; tmpX++) {
if (p_cur[tmpX] != p_ref[tmpX]) {
match = 0;
}
}
p_cur += stride_cur;
p_ref += stride_ref;
}
if (match) {
C++;
continue;
}
if (av1_hash_is_horizontal_perfect(cur_picture, block_size, x_pos,
y_pos) ||
av1_hash_is_vertical_perfect(cur_picture, block_size, x_pos, y_pos)) {
S++;
continue;
}
}
}
assert(T > 0);
double cs_rate = ((double)(C + S)) / ((double)(T));
force_intpel_info->cs_rate_array[force_intpel_info->rate_index] = cs_rate;
force_intpel_info->rate_index =
(force_intpel_info->rate_index + 1) % max_history_size;
force_intpel_info->rate_size++;
force_intpel_info->rate_size =
AOMMIN(force_intpel_info->rate_size, max_history_size);
if (cs_rate < threshold_current) {
return 0;
}
if (C == T) {
return 1;
}
double cs_average = 0.0;
for (k = 0; k < force_intpel_info->rate_size; k++) {
cs_average += force_intpel_info->cs_rate_array[k];
}
cs_average /= force_intpel_info->rate_size;
if (cs_average < threshold_average) {
return 0;
}
if ((T - C - S) < 0) {
return 1;
}
if (cs_average > 1.01) {
return 1;
}
return 0;
}
void av1_set_mb_ssim_rdmult_scaling(AV1_COMP *cpi) {
const CommonModeInfoParams *const mi_params = &cpi->common.mi_params;
ThreadData *td = &cpi->td;
MACROBLOCK *x = &td->mb;
MACROBLOCKD *xd = &x->e_mbd;
uint16_t *y_buffer = cpi->source->y_buffer;
const int y_stride = cpi->source->y_stride;
const int block_size = BLOCK_16X16;
const int num_mi_w = mi_size_wide[block_size];
const int num_mi_h = mi_size_high[block_size];
const int num_cols = (mi_params->mi_cols + num_mi_w - 1) / num_mi_w;
const int num_rows = (mi_params->mi_rows + num_mi_h - 1) / num_mi_h;
double log_sum = 0.0;
// Loop through each 16x16 block.
for (int row = 0; row < num_rows; ++row) {
for (int col = 0; col < num_cols; ++col) {
double var = 0.0, num_of_var = 0.0;
const int index = row * num_cols + col;
// Loop through each 8x8 block.
for (int mi_row = row * num_mi_h;
mi_row < mi_params->mi_rows && mi_row < (row + 1) * num_mi_h;
mi_row += 2) {
for (int mi_col = col * num_mi_w;
mi_col < mi_params->mi_cols && mi_col < (col + 1) * num_mi_w;
mi_col += 2) {
struct buf_2d buf;
const int row_offset_y = mi_row << 2;
const int col_offset_y = mi_col << 2;
buf.buf = y_buffer + row_offset_y * y_stride + col_offset_y;
buf.stride = y_stride;
var +=
av1_high_get_sby_perpixel_variance(cpi, &buf, BLOCK_8X8, xd->bd);
num_of_var += 1.0;
}
}
var = var / num_of_var;
// Curve fitting with an exponential model on all 16x16 blocks from the
// midres dataset.
var = 67.035434 * (1 - exp(-0.0021489 * var)) + 17.492222;
cpi->ssim_rdmult_scaling_factors[index] = var;
log_sum += log(var);
}
}
log_sum = exp(log_sum / (double)(num_rows * num_cols));
for (int row = 0; row < num_rows; ++row) {
for (int col = 0; col < num_cols; ++col) {
const int index = row * num_cols + col;
cpi->ssim_rdmult_scaling_factors[index] /= log_sum;
}
}
}
// Coding context that only needs to be saved when recode loop includes
// filtering (deblocking, CDEF, superres post-encode upscale and/or loop
// restoraton).
static void save_extra_coding_context(AV1_COMP *cpi) {
CODING_CONTEXT *const cc = &cpi->coding_context;
AV1_COMMON *cm = &cpi->common;
cc->lf = cm->lf;
cc->cdef_info = cm->cdef_info;
cc->rc = cpi->rc;
cc->mv_stats = cpi->mv_stats;
cc->features = cm->features;
}
void av1_save_all_coding_context(AV1_COMP *cpi) {
save_extra_coding_context(cpi);
if (!frame_is_intra_only(&cpi->common)) release_scaled_references(cpi);
}
#if CONFIG_BRU
/* Active region detection and clustering */
void active_region_detection(AV1_COMP *cpi,
const YV12_BUFFER_CONFIG *cur_picture,
const YV12_BUFFER_CONFIG *last_picture) {
AV1_COMMON *const cm = &cpi->common;
unsigned char *const active_map = cpi->active_map.map;
const int mi_rows = cpi->common.mi_params.mi_rows;
const int mi_cols = cpi->common.mi_params.mi_cols;
const int num_comps = cm->seq_params.monochrome ? 1 : 3;
BruInfo *bru_info = &cm->bru;
if (cur_picture == NULL || last_picture == NULL) {
cpi->active_map.update = 0;
cpi->active_map.enabled = 0;
memset(active_map, AM_SEGMENT_ID_ACTIVE, mi_rows * mi_cols);
bru_info->blocks_skipped = 0;
return;
}
cpi->active_map.update = 1;
cpi->active_map.enabled = 1;
memset(active_map, AM_SEGMENT_ID_INACTIVE, mi_rows * mi_cols);
// compute active map based upon pixel-wise comparison
for (int comp = 0; comp < num_comps; comp++) {
const int uv_flag = (comp > 0);
const int plane_width = cur_picture->widths[uv_flag];
const int plane_height = cur_picture->heights[uv_flag];
const int stride = cur_picture->strides[uv_flag];
uint16_t *cur_buffer = cur_picture->buffers[comp];
uint16_t *last_buffer = last_picture->buffers[comp];
const int comp_mi_width =
uv_flag ? (MI_SIZE >> cur_picture->subsampling_x) : MI_SIZE;
const int comp_mi_height =
uv_flag ? (MI_SIZE >> cur_picture->subsampling_y) : MI_SIZE;
for (int r_mi = 0, mi_idx = 0; r_mi < mi_rows; r_mi++) {
for (int c_mi = 0; c_mi < mi_cols; c_mi++, mi_idx++) {
bool is_active = true;
// only check if block is not active: once active always active
if (active_map[mi_idx] == AM_SEGMENT_ID_INACTIVE) {
int x_pos = c_mi * comp_mi_width;
int y_pos = r_mi * comp_mi_height;
uint16_t *cur_ptr = cur_buffer + y_pos * stride + x_pos;
uint16_t *last_ptr = last_buffer + y_pos * stride + x_pos;
int block_width = AOMMIN(comp_mi_width, plane_width - x_pos);
int block_height = AOMMIN(comp_mi_height, plane_height - y_pos);
is_active = false;
for (int r = 0; r < block_height; r++) {
for (int c = 0; c < block_width; c++) {
if (cur_ptr[c] != last_ptr[c]) {
is_active = true;
goto next_block;
}
}
cur_ptr += stride;
last_ptr += stride;
}
}
next_block:
active_map[mi_idx] =
is_active ? AM_SEGMENT_ID_ACTIVE : AM_SEGMENT_ID_INACTIVE;
continue;
}
}
}
set_ard_active_map(cpi);
// in set_ard_active_map, active region is set to '11' and inactive region is
// set to '00' in cluster_active_regions, the rect regions are xor with '1'
// such that active region become '10', extended active region is '01' the
// inactive region (outside rects) are still '00'
cluster_active_regions(bru_info->active_mode_map, bru_info->active_region,
bru_info->active_sb_in_region, cpi->enc_act_sb_queue,
cm->bru.unit_cols, cm->bru.unit_rows,
&bru_info->num_active_regions);
}
#endif // CONFIG_BRU