From: Deb Mukherjee Date: Fri, 11 Jul 2014 18:23:10 +0000 (-0700) Subject: Some extra bit probability cleanups X-Git-Tag: v1.4.0~1223^2 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6957e7a077ba090ac19dceef8251815a7d3d835f;p=libvpx Some extra bit probability cleanups Refactoring to remove some duplication of probability tables between tokenization and detokenization. Change-Id: I2fc6a6497f9c0410021a9b41f828bc58a864e466 --- diff --git a/vp9/common/vp9_entropy.c b/vp9/common/vp9_entropy.c index bc12f9aa2..3a54de225 100644 --- a/vp9/common/vp9_entropy.c +++ b/vp9/common/vp9_entropy.c @@ -15,6 +15,14 @@ #include "vpx_mem/vpx_mem.h" #include "vpx/vpx_integer.h" +const vp9_prob vp9_cat1_prob[] = { 159 }; +const vp9_prob vp9_cat2_prob[] = { 165, 145 }; +const vp9_prob vp9_cat3_prob[] = { 173, 148, 140 }; +const vp9_prob vp9_cat4_prob[] = { 176, 155, 140, 135 }; +const vp9_prob vp9_cat5_prob[] = { 180, 157, 141, 134, 130 }; +const vp9_prob vp9_cat6_prob[] = { + 254, 254, 254, 252, 249, 243, 230, 196, 177, 153, 140, 133, 130, 129 +}; const uint8_t vp9_coefband_trans_8x8plus[1024] = { 0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, diff --git a/vp9/common/vp9_entropy.h b/vp9/common/vp9_entropy.h index 3dc98a835..9622ca313 100644 --- a/vp9/common/vp9_entropy.h +++ b/vp9/common/vp9_entropy.h @@ -43,6 +43,21 @@ extern "C" { DECLARE_ALIGNED(16, extern const uint8_t, vp9_pt_energy_class[ENTROPY_TOKENS]); +#define CAT1_MIN_VAL 5 +#define CAT2_MIN_VAL 7 +#define CAT3_MIN_VAL 11 +#define CAT4_MIN_VAL 19 +#define CAT5_MIN_VAL 35 +#define CAT6_MIN_VAL 67 + +// Extra bit probabilities. +DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat1_prob[1]); +DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat2_prob[2]); +DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat3_prob[3]); +DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat4_prob[4]); +DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat5_prob[5]); +DECLARE_ALIGNED(16, extern const uint8_t, vp9_cat6_prob[14]); + #define EOB_MODEL_TOKEN 3 extern const vp9_tree_index vp9_coefmodel_tree[]; diff --git a/vp9/decoder/vp9_detokenize.c b/vp9/decoder/vp9_detokenize.c index 860da532a..91cdf3860 100644 --- a/vp9/decoder/vp9_detokenize.c +++ b/vp9/decoder/vp9_detokenize.c @@ -28,35 +28,6 @@ #define CAT_THREE_CONTEXT_NODE 6 #define CAT_FIVE_CONTEXT_NODE 7 -#define CAT1_MIN_VAL 5 -#define CAT2_MIN_VAL 7 -#define CAT3_MIN_VAL 11 -#define CAT4_MIN_VAL 19 -#define CAT5_MIN_VAL 35 -#define CAT6_MIN_VAL 67 -#define CAT1_PROB0 159 -#define CAT2_PROB0 145 -#define CAT2_PROB1 165 - -#define CAT3_PROB0 140 -#define CAT3_PROB1 148 -#define CAT3_PROB2 173 - -#define CAT4_PROB0 135 -#define CAT4_PROB1 140 -#define CAT4_PROB2 155 -#define CAT4_PROB3 176 - -#define CAT5_PROB0 130 -#define CAT5_PROB1 134 -#define CAT5_PROB2 141 -#define CAT5_PROB3 157 -#define CAT5_PROB4 180 - -static const vp9_prob cat6_prob[15] = { - 254, 254, 254, 252, 249, 243, 230, 196, 177, 153, 140, 133, 130, 129, 0 -}; - #define INCREMENT_COUNT(token) \ do { \ if (!cm->frame_parallel_decoding_mode) \ @@ -96,7 +67,6 @@ static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd, PLANE_TYPE type, unsigned int (*eob_branch_count)[COEFF_CONTEXTS] = counts->eob_branch[tx_size][type][ref]; uint8_t token_cache[32 * 32]; - const uint8_t *cat6; const uint8_t *band_translate = get_band_translate(tx_size); const int dq_shift = (tx_size == TX_32X32); int v; @@ -148,44 +118,55 @@ static int decode_coefs(VP9_COMMON *cm, const MACROBLOCKD *xd, PLANE_TYPE type, if (!vp9_read(r, prob[HIGH_LOW_CONTEXT_NODE])) { if (!vp9_read(r, prob[CAT_ONE_CONTEXT_NODE])) { val = CAT1_MIN_VAL; - ADJUST_COEF(CAT1_PROB0, 0); + ADJUST_COEF(vp9_cat1_prob[0], 0); WRITE_COEF_CONTINUE(val, CATEGORY1_TOKEN); } val = CAT2_MIN_VAL; - ADJUST_COEF(CAT2_PROB1, 1); - ADJUST_COEF(CAT2_PROB0, 0); + ADJUST_COEF(vp9_cat2_prob[0], 1); + ADJUST_COEF(vp9_cat2_prob[1], 0); WRITE_COEF_CONTINUE(val, CATEGORY2_TOKEN); } if (!vp9_read(r, prob[CAT_THREEFOUR_CONTEXT_NODE])) { if (!vp9_read(r, prob[CAT_THREE_CONTEXT_NODE])) { val = CAT3_MIN_VAL; - ADJUST_COEF(CAT3_PROB2, 2); - ADJUST_COEF(CAT3_PROB1, 1); - ADJUST_COEF(CAT3_PROB0, 0); + ADJUST_COEF(vp9_cat3_prob[0], 2); + ADJUST_COEF(vp9_cat3_prob[1], 1); + ADJUST_COEF(vp9_cat3_prob[2], 0); WRITE_COEF_CONTINUE(val, CATEGORY3_TOKEN); } val = CAT4_MIN_VAL; - ADJUST_COEF(CAT4_PROB3, 3); - ADJUST_COEF(CAT4_PROB2, 2); - ADJUST_COEF(CAT4_PROB1, 1); - ADJUST_COEF(CAT4_PROB0, 0); + ADJUST_COEF(vp9_cat4_prob[0], 3); + ADJUST_COEF(vp9_cat4_prob[1], 2); + ADJUST_COEF(vp9_cat4_prob[2], 1); + ADJUST_COEF(vp9_cat4_prob[3], 0); WRITE_COEF_CONTINUE(val, CATEGORY4_TOKEN); } if (!vp9_read(r, prob[CAT_FIVE_CONTEXT_NODE])) { val = CAT5_MIN_VAL; - ADJUST_COEF(CAT5_PROB4, 4); - ADJUST_COEF(CAT5_PROB3, 3); - ADJUST_COEF(CAT5_PROB2, 2); - ADJUST_COEF(CAT5_PROB1, 1); - ADJUST_COEF(CAT5_PROB0, 0); + ADJUST_COEF(vp9_cat5_prob[0], 4); + ADJUST_COEF(vp9_cat5_prob[1], 3); + ADJUST_COEF(vp9_cat5_prob[2], 2); + ADJUST_COEF(vp9_cat5_prob[3], 1); + ADJUST_COEF(vp9_cat5_prob[4], 0); WRITE_COEF_CONTINUE(val, CATEGORY5_TOKEN); } val = 0; - cat6 = cat6_prob; - while (*cat6) - val = (val << 1) | vp9_read(r, *cat6++); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[0]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[1]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[2]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[3]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[4]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[5]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[6]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[7]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[8]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[9]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[10]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[11]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[12]); + val = (val << 1) | vp9_read(r, vp9_cat6_prob[13]); val += CAT6_MIN_VAL; WRITE_COEF_CONTINUE(val, CATEGORY6_TOKEN); diff --git a/vp9/encoder/vp9_tokenize.c b/vp9/encoder/vp9_tokenize.c index dcca92d21..6068b85a0 100644 --- a/vp9/encoder/vp9_tokenize.c +++ b/vp9/encoder/vp9_tokenize.c @@ -55,15 +55,6 @@ const vp9_tree_index vp9_coef_con_tree[TREE_SIZE(ENTROPY_TOKENS)] = { -CATEGORY5_TOKEN, -CATEGORY6_TOKEN // 7 = CAT_FIVE }; -static const vp9_prob Pcat1[] = { 159}; -static const vp9_prob Pcat2[] = { 165, 145}; -static const vp9_prob Pcat3[] = { 173, 148, 140}; -static const vp9_prob Pcat4[] = { 176, 155, 140, 135}; -static const vp9_prob Pcat5[] = { 180, 157, 141, 134, 130}; -static const vp9_prob Pcat6[] = { - 254, 254, 254, 252, 249, 243, 230, 196, 177, 153, 140, 133, 130, 129 -}; - static vp9_tree_index cat1[2], cat2[4], cat3[6], cat4[8], cat5[10], cat6[28]; static void init_bit_tree(vp9_tree_index *p, int n) { @@ -87,18 +78,18 @@ static void init_bit_trees() { } const vp9_extra_bit vp9_extra_bits[ENTROPY_TOKENS] = { - {0, 0, 0, 0}, // ZERO_TOKEN - {0, 0, 0, 1}, // ONE_TOKEN - {0, 0, 0, 2}, // TWO_TOKEN - {0, 0, 0, 3}, // THREE_TOKEN - {0, 0, 0, 4}, // FOUR_TOKEN - {cat1, Pcat1, 1, 5}, // CATEGORY1_TOKEN - {cat2, Pcat2, 2, 7}, // CATEGORY2_TOKEN - {cat3, Pcat3, 3, 11}, // CATEGORY3_TOKEN - {cat4, Pcat4, 4, 19}, // CATEGORY4_TOKEN - {cat5, Pcat5, 5, 35}, // CATEGORY5_TOKEN - {cat6, Pcat6, 14, 67}, // CATEGORY6_TOKEN - {0, 0, 0, 0} // EOB_TOKEN + {0, 0, 0, 0}, // ZERO_TOKEN + {0, 0, 0, 1}, // ONE_TOKEN + {0, 0, 0, 2}, // TWO_TOKEN + {0, 0, 0, 3}, // THREE_TOKEN + {0, 0, 0, 4}, // FOUR_TOKEN + {cat1, vp9_cat1_prob, 1, CAT1_MIN_VAL}, // CATEGORY1_TOKEN + {cat2, vp9_cat2_prob, 2, CAT2_MIN_VAL}, // CATEGORY2_TOKEN + {cat3, vp9_cat3_prob, 3, CAT3_MIN_VAL}, // CATEGORY3_TOKEN + {cat4, vp9_cat4_prob, 4, CAT4_MIN_VAL}, // CATEGORY4_TOKEN + {cat5, vp9_cat5_prob, 5, CAT5_MIN_VAL}, // CATEGORY5_TOKEN + {cat6, vp9_cat6_prob, 14, CAT6_MIN_VAL}, // CATEGORY6_TOKEN + {0, 0, 0, 0} // EOB_TOKEN }; struct vp9_token vp9_coef_encodings[ENTROPY_TOKENS];