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authorMatt A. Tobin <email@mattatobin.com>2020-04-07 23:30:51 -0400
committerMatt A. Tobin <email@mattatobin.com>2020-04-07 23:30:51 -0400
commit5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb (patch)
tree45d55e3e5e73c4255c4d71258d9be5b2d004d28f /media/libaom/src/av1/common/quant_common.h
parent50f1986697a7412e4160976fa5e11217b4ef1f44 (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')
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diff --git a/media/libaom/src/av1/common/quant_common.h b/media/libaom/src/av1/common/quant_common.h
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+++ 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_