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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/libvpx/vp9/encoder/vp9_tokenize.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libvpx/vp9/encoder/vp9_tokenize.h')
-rw-r--r--media/libvpx/vp9/encoder/vp9_tokenize.h112
1 files changed, 112 insertions, 0 deletions
diff --git a/media/libvpx/vp9/encoder/vp9_tokenize.h b/media/libvpx/vp9/encoder/vp9_tokenize.h
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+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VP9_ENCODER_VP9_TOKENIZE_H_
+#define VP9_ENCODER_VP9_TOKENIZE_H_
+
+#include "vp9/common/vp9_entropy.h"
+
+#include "vp9/encoder/vp9_block.h"
+#include "vp9/encoder/vp9_treewriter.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define EOSB_TOKEN 127 // Not signalled, encoder only
+
+#if CONFIG_VP9_HIGHBITDEPTH
+ typedef int32_t EXTRABIT;
+#else
+ typedef int16_t EXTRABIT;
+#endif
+
+
+typedef struct {
+ int16_t token;
+ EXTRABIT extra;
+} TOKENVALUE;
+
+typedef struct {
+ const vp9_prob *context_tree;
+ EXTRABIT extra;
+ uint8_t token;
+ uint8_t skip_eob_node;
+} TOKENEXTRA;
+
+extern const vp9_tree_index vp9_coef_tree[];
+extern const vp9_tree_index vp9_coef_con_tree[];
+extern const struct vp9_token vp9_coef_encodings[];
+
+int vp9_is_skippable_in_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane);
+int vp9_has_high_freq_in_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane);
+
+struct VP9_COMP;
+struct ThreadData;
+
+void vp9_tokenize_sb(struct VP9_COMP *cpi, struct ThreadData *td,
+ TOKENEXTRA **t, int dry_run, BLOCK_SIZE bsize);
+
+extern const int16_t *vp9_dct_value_cost_ptr;
+/* TODO: The Token field should be broken out into a separate char array to
+ * improve cache locality, since it's needed for costing when the rest of the
+ * fields are not.
+ */
+extern const TOKENVALUE *vp9_dct_value_tokens_ptr;
+extern const TOKENVALUE *vp9_dct_cat_lt_10_value_tokens;
+extern const int16_t vp9_cat6_low_cost[256];
+extern const int16_t vp9_cat6_high_cost[128];
+extern const int16_t vp9_cat6_high10_high_cost[512];
+extern const int16_t vp9_cat6_high12_high_cost[2048];
+static INLINE int16_t vp9_get_cost(int16_t token, EXTRABIT extrabits,
+ const int16_t *cat6_high_table) {
+ if (token != CATEGORY6_TOKEN)
+ return vp9_extra_bits[token].cost[extrabits];
+ return vp9_cat6_low_cost[extrabits & 0xff]
+ + cat6_high_table[extrabits >> 8];
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+static INLINE const int16_t* vp9_get_high_cost_table(int bit_depth) {
+ return bit_depth == 8 ? vp9_cat6_high_cost
+ : (bit_depth == 10 ? vp9_cat6_high10_high_cost :
+ vp9_cat6_high12_high_cost);
+}
+#else
+static INLINE const int16_t* vp9_get_high_cost_table(int bit_depth) {
+ (void) bit_depth;
+ return vp9_cat6_high_cost;
+}
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+static INLINE void vp9_get_token_extra(int v, int16_t *token, EXTRABIT *extra) {
+ if (v >= CAT6_MIN_VAL || v <= -CAT6_MIN_VAL) {
+ *token = CATEGORY6_TOKEN;
+ if (v >= CAT6_MIN_VAL)
+ *extra = 2 * v - 2 * CAT6_MIN_VAL;
+ else
+ *extra = -2 * v - 2 * CAT6_MIN_VAL + 1;
+ return;
+ }
+ *token = vp9_dct_cat_lt_10_value_tokens[v].token;
+ *extra = vp9_dct_cat_lt_10_value_tokens[v].extra;
+}
+static INLINE int16_t vp9_get_token(int v) {
+ if (v >= CAT6_MIN_VAL || v <= -CAT6_MIN_VAL)
+ return 10;
+ return vp9_dct_cat_lt_10_value_tokens[v].token;
+}
+
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VP9_ENCODER_VP9_TOKENIZE_H_