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extends the range of tokens

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Extending the value range of tokens allows further experiments on
extending quantizer range. Encoder and decoder were verified to
produce matching reconstructed buffers by tests with forced
quantized value of 1.

Change-Id: I12faf92832867870b6f71ddeafbf643f1040086d
This commit is contained in:
Yaowu Xu 2010-11-16 13:58:21 -08:00
parent a2ebd0f3e4
commit 06c70d304f
4 changed files with 20 additions and 20 deletions
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6
vp8/common/entropy.c
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@ -68,7 +68,7 @@ static const Prob Pcat3[] = { 173, 148, 140};
static const Prob Pcat4[] = { 176, 155, 140, 135};
static const Prob Pcat5[] = { 180, 157, 141, 134, 130};
static const Prob Pcat6[] =
{ 254, 254, 243, 230, 196, 177, 153, 140, 133, 130, 129};
{ 254, 254, 252, 249, 243, 230, 196, 177, 153, 140, 133, 130, 129};
static vp8_tree_index cat1[2], cat2[4], cat3[6], cat4[8], cat5[10], cat6[22];
@ -103,7 +103,7 @@ static void init_bit_trees()
init_bit_tree(cat3, 3);
init_bit_tree(cat4, 4);
init_bit_tree(cat5, 5);
init_bit_tree(cat6, 11);
init_bit_tree(cat6, 13);
}
@ -121,7 +121,7 @@ vp8_extra_bit_struct vp8_extra_bits[12] =
{ cat3, Pcat3, bcc3, 3, 11},
{ cat4, Pcat4, bcc4, 4, 19},
{ cat5, Pcat5, bcc5, 5, 35},
{ cat6, Pcat6, bcc6, 11, 67},
{ cat6, Pcat6, bcc6, 13, 67},
{ 0, 0, 0, 0, 0}
};
#include "defaultcoefcounts.h"

4
vp8/common/entropy.h
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@ -27,7 +27,7 @@
#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_VAL_CATEGORY6 10 /* 67+ Extra Bits 13+1 */
#define DCT_EOB_TOKEN 11 /* EOB Extra Bits 0+0 */
#define vp8_coef_tokens 12
@ -52,7 +52,7 @@ extern 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
#define DCT_MAX_VALUE 8192
/* Coefficients are predicted via a 3-dimensional probability table. */

24
vp8/decoder/detokenize.c
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@ -38,23 +38,23 @@ typedef struct
{
INT16 min_val;
INT16 Length;
UINT8 Probs[12];
UINT8 Probs[14];
} TOKENEXTRABITS;
*/
DECLARE_ALIGNED(16, static const TOKENEXTRABITS, vp8d_token_extra_bits2[MAX_ENTROPY_TOKENS]) =
{
{ 0, -1, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* ZERO_TOKEN */
{ 1, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* ONE_TOKEN */
{ 2, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* TWO_TOKEN */
{ 3, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* THREE_TOKEN */
{ 4, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* FOUR_TOKEN */
{ 5, 0, { 159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY1 */
{ 7, 1, { 145, 165, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY2 */
{ 11, 2, { 140, 148, 173, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY3 */
{ 19, 3, { 135, 140, 155, 176, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY4 */
{ 35, 4, { 130, 134, 141, 157, 180, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY5 */
{ 67, 10, { 129, 130, 133, 140, 153, 177, 196, 230, 243, 254, 254, 0 } }, /* DCT_VAL_CATEGORY6 */
{ 0, -1, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* ZERO_TOKEN */
{ 1, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* ONE_TOKEN */
{ 2, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* TWO_TOKEN */
{ 3, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* THREE_TOKEN */
{ 4, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* FOUR_TOKEN */
{ 5, 0, { 159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY1 */
{ 7, 1, { 145, 165, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY2 */
{ 11, 2, { 140, 148, 173, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY3 */
{ 19, 3, { 135, 140, 155, 176, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY4 */
{ 35, 4, { 130, 134, 141, 157, 180, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* DCT_VAL_CATEGORY5 */
{ 67, 12, { 129, 130, 133, 140, 153, 177, 196, 230, 243, 249, 252, 254, 254, 0 } }, /* DCT_VAL_CATEGORY6 */
{ 0, -1, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, /* EOB TOKEN */
};

6
vp8/decoder/onyxd_int.h
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@ -41,9 +41,9 @@ typedef struct
typedef struct
{
INT16 min_val;
INT16 Length;
UINT8 Probs[12];
INT16 min_val;
INT16 Length;
UINT8 Probs[14];
} TOKENEXTRABITS;
typedef struct