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author | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
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committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2020-04-14 13:26:42 +0200 |
commit | 277f2116b6660e9bbe7f5d67524be57eceb49b8b (patch) | |
tree | 4595f7cc71418f71b9a97dfaeb03a30aa60f336a /media/libaom/src/av1/common/quant_common.h | |
parent | d270404436f6e84ffa3b92af537ac721bf10d66e (diff) | |
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Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'media/libaom/src/av1/common/quant_common.h')
-rw-r--r-- | media/libaom/src/av1/common/quant_common.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/media/libaom/src/av1/common/quant_common.h b/media/libaom/src/av1/common/quant_common.h new file mode 100644 index 000000000..d1f52a660 --- /dev/null +++ b/media/libaom/src/av1/common/quant_common.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. 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 www.aomedia.org/license/patent. + */ + +#ifndef AOM_AV1_COMMON_QUANT_COMMON_H_ +#define AOM_AV1_COMMON_QUANT_COMMON_H_ + +#include "aom/aom_codec.h" +#include "av1/common/seg_common.h" +#include "av1/common/enums.h" +#include "av1/common/entropy.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define MINQ 0 +#define MAXQ 255 +#define QINDEX_RANGE (MAXQ - MINQ + 1) +#define QINDEX_BITS 8 +// Total number of QM sets stored +#define QM_LEVEL_BITS 4 +#define NUM_QM_LEVELS (1 << QM_LEVEL_BITS) +/* Range of QMS is between first and last value, with offset applied to inter + * blocks*/ +#define DEFAULT_QM_Y 10 +#define DEFAULT_QM_U 11 +#define DEFAULT_QM_V 12 +#define DEFAULT_QM_FIRST 5 +#define DEFAULT_QM_LAST 9 + +struct AV1Common; + +int16_t av1_dc_quant_Q3(int qindex, int delta, aom_bit_depth_t bit_depth); +int16_t av1_ac_quant_Q3(int qindex, int delta, aom_bit_depth_t bit_depth); +int16_t av1_dc_quant_QTX(int qindex, int delta, aom_bit_depth_t bit_depth); +int16_t av1_ac_quant_QTX(int qindex, int delta, aom_bit_depth_t bit_depth); + +int av1_get_qindex(const struct segmentation *seg, int segment_id, + int base_qindex); +// Reduce the large number of quantizers to a smaller number of levels for which +// different matrices may be defined +static INLINE int aom_get_qmlevel(int qindex, int first, int last) { + return first + (qindex * (last + 1 - first)) / QINDEX_RANGE; +} +void av1_qm_init(struct AV1Common *cm); +const qm_val_t *av1_iqmatrix(struct AV1Common *cm, int qindex, int comp, + TX_SIZE tx_size); +const qm_val_t *av1_qmatrix(struct AV1Common *cm, int qindex, int comp, + TX_SIZE tx_size); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // AOM_AV1_COMMON_QUANT_COMMON_H_ |