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Diffstat (limited to 'thirdparty/libvpx/vp8/common/entropy.h')
| -rw-r--r-- | thirdparty/libvpx/vp8/common/entropy.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/thirdparty/libvpx/vp8/common/entropy.h b/thirdparty/libvpx/vp8/common/entropy.h deleted file mode 100644 index a90bab4bac..0000000000 --- a/thirdparty/libvpx/vp8/common/entropy.h +++ /dev/null @@ -1,109 +0,0 @@ -/* - * 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 VP8_COMMON_ENTROPY_H_ -#define VP8_COMMON_ENTROPY_H_ - -#include "treecoder.h" -#include "blockd.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* Coefficient token alphabet */ - -#define ZERO_TOKEN 0 /* 0 Extra Bits 0+0 */ -#define ONE_TOKEN 1 /* 1 Extra Bits 0+1 */ -#define TWO_TOKEN 2 /* 2 Extra Bits 0+1 */ -#define THREE_TOKEN 3 /* 3 Extra Bits 0+1 */ -#define FOUR_TOKEN 4 /* 4 Extra Bits 0+1 */ -#define DCT_VAL_CATEGORY1 5 /* 5-6 Extra Bits 1+1 */ -#define DCT_VAL_CATEGORY2 6 /* 7-10 Extra Bits 2+1 */ -#define DCT_VAL_CATEGORY3 7 /* 11-18 Extra Bits 3+1 */ -#define DCT_VAL_CATEGORY4 8 /* 19-34 Extra Bits 4+1 */ -#define DCT_VAL_CATEGORY5 9 /* 35-66 Extra Bits 5+1 */ -#define DCT_VAL_CATEGORY6 10 /* 67+ Extra Bits 11+1 */ -#define DCT_EOB_TOKEN 11 /* EOB Extra Bits 0+0 */ - -#define MAX_ENTROPY_TOKENS 12 -#define ENTROPY_NODES 11 - -extern const vp8_tree_index vp8_coef_tree[]; - -extern const struct vp8_token_struct vp8_coef_encodings[MAX_ENTROPY_TOKENS]; - -typedef struct -{ - vp8_tree_p tree; - const vp8_prob *prob; - int Len; - int base_val; -} vp8_extra_bit_struct; - -extern const vp8_extra_bit_struct vp8_extra_bits[12]; /* indexed by token value */ - -#define PROB_UPDATE_BASELINE_COST 7 - -#define MAX_PROB 255 -#define DCT_MAX_VALUE 2048 - - -/* Coefficients are predicted via a 3-dimensional probability table. */ - -/* Outside dimension. 0 = Y no DC, 1 = Y2, 2 = UV, 3 = Y with DC */ - -#define BLOCK_TYPES 4 - -/* Middle dimension is a coarsening of the coefficient's - position within the 4x4 DCT. */ - -#define COEF_BANDS 8 -extern DECLARE_ALIGNED(16, const unsigned char, vp8_coef_bands[16]); - -/* Inside dimension is 3-valued measure of nearby complexity, that is, - the extent to which nearby coefficients are nonzero. For the first - coefficient (DC, unless block type is 0), we look at the (already encoded) - blocks above and to the left of the current block. The context index is - then the number (0,1,or 2) of these blocks having nonzero coefficients. - After decoding a coefficient, the measure is roughly the size of the - most recently decoded coefficient (0 for 0, 1 for 1, 2 for >1). - Note that the intuitive meaning of this measure changes as coefficients - are decoded, e.g., prior to the first token, a zero means that my neighbors - are empty while, after the first token, because of the use of end-of-block, - a zero means we just decoded a zero and hence guarantees that a non-zero - coefficient will appear later in this block. However, this shift - in meaning is perfectly OK because our context depends also on the - coefficient band (and since zigzag positions 0, 1, and 2 are in - distinct bands). */ - -/*# define DC_TOKEN_CONTEXTS 3*/ /* 00, 0!0, !0!0 */ -# define PREV_COEF_CONTEXTS 3 - -extern DECLARE_ALIGNED(16, const unsigned char, vp8_prev_token_class[MAX_ENTROPY_TOKENS]); - -extern const vp8_prob vp8_coef_update_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES]; - - -struct VP8Common; -void vp8_default_coef_probs(struct VP8Common *); - -extern DECLARE_ALIGNED(16, const int, vp8_default_zig_zag1d[16]); -extern DECLARE_ALIGNED(16, const short, vp8_default_inv_zig_zag[16]); -extern DECLARE_ALIGNED(16, const short, vp8_default_zig_zag_mask[16]); -extern const int vp8_mb_feature_data_bits[MB_LVL_MAX]; - -void vp8_coef_tree_initialize(void); -#ifdef __cplusplus -} // extern "C" -#endif - -#endif // VP8_COMMON_ENTROPY_H_ |