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avcodec/rv40: Avoid code duplication when initializing VLCs

Browse Source 
Besides removing code duplication the method for determining the offset
of each VLC table in the VLC_TYPE buffer also has the advantage of not
wasting space for skipped AIC mode 1 VLCs.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
pull/358/head
Andreas Rheinhardt 4 years ago
parent 477fc65d33
commit e7f15f777d
2 changed files with 200 additions and 235 deletions
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  1. 52
      libavcodec/rv40.c
  2. 383
      libavcodec/rv40vlc2.h

52
libavcodec/rv40.c
Unescape View File

@ -41,31 +41,35 @@ static VLC aic_top_vlc;
static VLC aic_mode1_vlc[AIC_MODE1_NUM], aic_mode2_vlc[AIC_MODE2_NUM];
static VLC ptype_vlc[NUM_PTYPE_VLCS], btype_vlc[NUM_BTYPE_VLCS];
static av_cold void rv40_init_table(VLC *vlc, unsigned *offset, int nb_bits,
int nb_codes, const uint8_t (*tab)[2])
{
static VLC_TYPE vlc_buf[11776][2];
vlc->table = &vlc_buf[*offset];
vlc->table_allocated = 1 << nb_bits;
*offset += 1 << nb_bits;
ff_init_vlc_from_lengths(vlc, nb_bits, nb_codes,
&tab[0][1], 2, &tab[0][0], 2, 1,
0, INIT_VLC_USE_NEW_STATIC, NULL);
}
/**
* Initialize all tables.
*/
static av_cold void rv40_init_tables(void)
{
int i;
static VLC_TYPE aic_table[1 << AIC_TOP_BITS][2];
static VLC_TYPE aic_mode1_table[AIC_MODE1_NUM << AIC_MODE1_BITS][2];
int i, offset = 0;
static VLC_TYPE aic_mode2_table[11814][2];
static VLC_TYPE ptype_table[NUM_PTYPE_VLCS << PTYPE_VLC_BITS][2];
static VLC_TYPE btype_table[NUM_BTYPE_VLCS << BTYPE_VLC_BITS][2];
aic_top_vlc.table = aic_table;
aic_top_vlc.table_allocated = 1 << AIC_TOP_BITS;
init_vlc(&aic_top_vlc, AIC_TOP_BITS, AIC_TOP_SIZE,
rv40_aic_top_vlc_bits, 1, 1,
rv40_aic_top_vlc_codes, 1, 1, INIT_VLC_USE_NEW_STATIC);
rv40_init_table(&aic_top_vlc, &offset, AIC_TOP_BITS, AIC_TOP_SIZE,
rv40_aic_top_vlc_tab);
for(i = 0; i < AIC_MODE1_NUM; i++){
// Every tenth VLC table is empty
if((i % 10) == 9) continue;
aic_mode1_vlc[i].table = &aic_mode1_table[i << AIC_MODE1_BITS];
aic_mode1_vlc[i].table_allocated = 1 << AIC_MODE1_BITS;
init_vlc(&aic_mode1_vlc[i], AIC_MODE1_BITS, AIC_MODE1_SIZE,
aic_mode1_vlc_bits[i], 1, 1,
aic_mode1_vlc_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
rv40_init_table(&aic_mode1_vlc[i], &offset, AIC_MODE1_BITS,
AIC_MODE1_SIZE, aic_mode1_vlc_tabs[i]);
}
for (unsigned i = 0, offset = 0; i < AIC_MODE2_NUM; i++){
uint16_t syms[AIC_MODE2_SIZE];
@ -86,20 +90,12 @@ static av_cold void rv40_init_tables(void)
offset += aic_mode2_vlc[i].table_size;
}
for(i = 0; i < NUM_PTYPE_VLCS; i++){
ptype_vlc[i].table = &ptype_table[i << PTYPE_VLC_BITS];
ptype_vlc[i].table_allocated = 1 << PTYPE_VLC_BITS;
ff_init_vlc_from_lengths(&ptype_vlc[i], PTYPE_VLC_BITS, PTYPE_VLC_SIZE,
&ptype_vlc_tabs[i][0][1], 2,
&ptype_vlc_tabs[i][0][0], 2, 1,
0, INIT_VLC_USE_NEW_STATIC, NULL);
rv40_init_table(&ptype_vlc[i], &offset, PTYPE_VLC_BITS, PTYPE_VLC_SIZE,
ptype_vlc_tabs[i]);
}
for(i = 0; i < NUM_BTYPE_VLCS; i++){
btype_vlc[i].table = &btype_table[i << BTYPE_VLC_BITS];
btype_vlc[i].table_allocated = 1 << BTYPE_VLC_BITS;
ff_init_vlc_from_lengths(&btype_vlc[i], BTYPE_VLC_BITS, BTYPE_VLC_SIZE,
&btype_vlc_tabs[i][0][1], 2,
&btype_vlc_tabs[i][0][0], 2, 1,
0, INIT_VLC_USE_NEW_STATIC, NULL);
rv40_init_table(&btype_vlc[i], &offset, BTYPE_VLC_BITS, BTYPE_VLC_SIZE,
btype_vlc_tabs[i]);
}
}

383
libavcodec/rv40vlc2.h
Unescape View File

@ -35,13 +35,10 @@
//@{
#define AIC_TOP_BITS 7
#define AIC_TOP_SIZE 16
static const uint8_t rv40_aic_top_vlc_codes[AIC_TOP_SIZE] = {
0x01, 0x05, 0x01, 0x00, 0x03, 0x3D, 0x1D, 0x02,
0x04, 0x3C, 0x3F, 0x1C, 0x0D, 0x3E, 0x0C, 0x01
};
static const uint8_t rv40_aic_top_vlc_bits[AIC_TOP_SIZE] = {
1, 4, 5, 5, 5, 7, 6, 5, 4, 7, 7, 6, 5, 7, 5, 3
static const uint8_t rv40_aic_top_vlc_tab[AIC_TOP_SIZE][2] = {
{ 0x3, 5 }, { 0x2, 5 }, { 0x7, 5 }, { 0x4, 5 }, { 0xF, 3 }, { 0x8, 4 },
{ 0x1, 4 }, { 0xE, 5 }, { 0xC, 5 }, { 0xB, 6 }, { 0x6, 6 }, { 0x9, 7 },
{ 0x5, 7 }, { 0xD, 7 }, { 0xA, 7 }, { 0x0, 1 },
};
//@}
@ -388,206 +385,178 @@ static const uint8_t aic_mode2_vlc_bits[AIC_MODE2_NUM][AIC_MODE2_SIZE] = {
#define AIC_MODE1_SIZE 9
#define AIC_MODE1_BITS 7
static const uint8_t aic_mode1_vlc_codes[AIC_MODE1_NUM][AIC_MODE1_SIZE] = {
{ 0x01, 0x01, 0x01, 0x11, 0x00, 0x09, 0x03, 0x10, 0x05,},
{ 0x09, 0x01, 0x01, 0x05, 0x11, 0x00, 0x03, 0x21, 0x20,},
{ 0x01, 0x01, 0x01, 0x11, 0x09, 0x10, 0x05, 0x00, 0x03,},
{ 0x01, 0x01, 0x00, 0x03, 0x21, 0x05, 0x09, 0x20, 0x11,},
{ 0x01, 0x09, 0x00, 0x29, 0x08, 0x15, 0x03, 0x0B, 0x28,},
{ 0x01, 0x01, 0x01, 0x01, 0x00, 0x01, 0x01, 0x03, 0x02,},
{ 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x01, 0x09, 0x08,},
{ 0x01, 0x01, 0x01, 0x09, 0x01, 0x08, 0x00, 0x03, 0x05,},
{ 0x01, 0x01, 0x01, 0x00, 0x05, 0x11, 0x09, 0x10, 0x03,},
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{ 0x01, 0x01, 0x01, 0x05, 0x01, 0x00, 0x03, 0x09, 0x08,},
{ 0x09, 0x01, 0x01, 0x05, 0x11, 0x00, 0x03, 0x21, 0x20,},
{ 0x01, 0x01, 0x01, 0x0D, 0x05, 0x04, 0x00, 0x07, 0x0C,},
{ 0x01, 0x01, 0x00, 0x05, 0x11, 0x03, 0x09, 0x21, 0x20,},
{ 0x05, 0x01, 0x01, 0x11, 0x00, 0x09, 0x03, 0x21, 0x20,},
{ 0x09, 0x01, 0x01, 0x00, 0x05, 0x01, 0x03, 0x11, 0x10,},
{ 0x01, 0x01, 0x01, 0x00, 0x01, 0x01, 0x01, 0x03, 0x02,},
{ 0x01, 0x01, 0x01, 0x09, 0x00, 0x05, 0x01, 0x03, 0x08,},
{ 0x01, 0x01, 0x01, 0x09, 0x11, 0x05, 0x00, 0x10, 0x03,},
{ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{ 0x01, 0x00, 0x01, 0x09, 0x08, 0x15, 0x14, 0x0B, 0x03,},
{ 0x0D, 0x01, 0x01, 0x05, 0x0C, 0x04, 0x01, 0x00, 0x07,},
{ 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x03, 0x01, 0x01,},
{ 0x05, 0x01, 0x01, 0x04, 0x19, 0x07, 0x18, 0x0D, 0x00,},
{ 0x11, 0x09, 0x01, 0x21, 0x05, 0x20, 0x01, 0x00, 0x03,},
{ 0x41, 0x01, 0x00, 0x05, 0x40, 0x03, 0x09, 0x21, 0x11,},
{ 0x29, 0x01, 0x00, 0x28, 0x09, 0x15, 0x03, 0x08, 0x0B,},
{ 0x01, 0x00, 0x01, 0x11, 0x09, 0x10, 0x05, 0x01, 0x03,},
{ 0x05, 0x01, 0x01, 0x04, 0x0D, 0x0C, 0x07, 0x00, 0x01,},
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{ 0x01, 0x00, 0x03, 0x05, 0x11, 0x10, 0x25, 0x24, 0x13,},
{ 0x21, 0x01, 0x01, 0x00, 0x11, 0x03, 0x05, 0x20, 0x09,},
{ 0x01, 0x01, 0x01, 0x00, 0x09, 0x11, 0x10, 0x05, 0x03,},
{ 0x21, 0x05, 0x01, 0x01, 0x09, 0x00, 0x11, 0x20, 0x03,},
{ 0x05, 0x01, 0x00, 0x04, 0x01, 0x19, 0x07, 0x18, 0x0D,},
{ 0x11, 0x01, 0x00, 0x01, 0x09, 0x01, 0x03, 0x10, 0x05,},
{ 0x1D, 0x01, 0x05, 0x0D, 0x0C, 0x04, 0x00, 0x1C, 0x0F,},
{ 0x05, 0x19, 0x01, 0x04, 0x00, 0x18, 0x1B, 0x1A, 0x07,},
{ 0x09, 0x01, 0x00, 0x01, 0x05, 0x03, 0x11, 0x10, 0x01,},
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{ 0x01, 0x00, 0x03, 0x41, 0x05, 0x40, 0x09, 0x11, 0x21,},
{ 0x05, 0x01, 0x01, 0x19, 0x04, 0x07, 0x00, 0x18, 0x0D,},
{ 0x01, 0x01, 0x01, 0x05, 0x01, 0x04, 0x01, 0x00, 0x03,},
{ 0x01, 0x05, 0x00, 0x0D, 0x01, 0x04, 0x07, 0x19, 0x18,},
{ 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x01, 0x03, 0x02,},
{ 0x31, 0x01, 0x05, 0x19, 0x04, 0x07, 0x00, 0x30, 0x0D,},
{ 0x01, 0x00, 0x03, 0x11, 0x01, 0x05, 0x01, 0x09, 0x10,},
{ 0x01, 0x05, 0x01, 0x11, 0x01, 0x10, 0x00, 0x03, 0x09,},
{ 0x01, 0x09, 0x00, 0x29, 0x03, 0x08, 0x28, 0x15, 0x0B,},
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{ 0x01, 0x01, 0x00, 0x09, 0x15, 0x03, 0x08, 0x14, 0x0B,},
{ 0x11, 0x01, 0x01, 0x00, 0x09, 0x01, 0x03, 0x10, 0x05,},
{ 0x01, 0x00, 0x03, 0x25, 0x11, 0x05, 0x10, 0x24, 0x13,},
{ 0x11, 0x01, 0x00, 0x01, 0x09, 0x01, 0x05, 0x10, 0x03,},
{ 0x05, 0x01, 0x00, 0x0D, 0x0C, 0x04, 0x0F, 0x1D, 0x1C,},
{ 0x01, 0x01, 0x01, 0x01, 0x00, 0x01, 0x01, 0x03, 0x02,},
{ 0x21, 0x01, 0x05, 0x09, 0x11, 0x00, 0x03, 0x41, 0x40,},
{ 0x05, 0x01, 0x00, 0x1D, 0x1C, 0x0D, 0x0C, 0x0F, 0x04,},
{ 0x05, 0x01, 0x00, 0x0D, 0x31, 0x04, 0x19, 0x30, 0x07,},
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{ 0x01, 0x01, 0x00, 0x21, 0x05, 0x11, 0x03, 0x09, 0x20,},
{ 0x01, 0x01, 0x00, 0x11, 0x03, 0x05, 0x01, 0x09, 0x10,},
{ 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x01, 0x03, 0x02,},
{ 0x05, 0x01, 0x04, 0x19, 0x07, 0x0D, 0x00, 0x31, 0x30,},
{ 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x01, 0x03, 0x02,},
{ 0x05, 0x01, 0x01, 0x11, 0x09, 0x00, 0x03, 0x21, 0x20,},
{ 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x01, 0x03, 0x02,},
{ 0x01, 0x01, 0x01, 0x00, 0x01, 0x03, 0x01, 0x01, 0x02,},
{ 0x09, 0x01, 0x00, 0x29, 0x08, 0x15, 0x03, 0x28, 0x0B,},
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{ 0x01, 0x01, 0x01, 0x05, 0x01, 0x04, 0x00, 0x01, 0x03,},
{ 0x09, 0x01, 0x00, 0x29, 0x28, 0x15, 0x08, 0x03, 0x0B,},
{ 0x01, 0x00, 0x01, 0x11, 0x05, 0x10, 0x09, 0x01, 0x03,},
{ 0x05, 0x04, 0x01, 0x1D, 0x0D, 0x0C, 0x1C, 0x00, 0x0F,},
{ 0x09, 0x11, 0x01, 0x41, 0x00, 0x40, 0x05, 0x03, 0x21,},
{ 0x0D, 0x05, 0x01, 0x1D, 0x1C, 0x0C, 0x04, 0x00, 0x0F,},
{ 0x41, 0x09, 0x01, 0x40, 0x00, 0x11, 0x05, 0x03, 0x21,},
{ 0x01, 0x01, 0x01, 0x05, 0x01, 0x04, 0x00, 0x01, 0x03,},
{ 0x05, 0x04, 0x01, 0x0D, 0x01, 0x0C, 0x07, 0x01, 0x00,},
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
{ 0x05, 0x04, 0x01, 0x07, 0x19, 0x31, 0x30, 0x0D, 0x00,},
{ 0x21, 0x01, 0x01, 0x00, 0x11, 0x09, 0x20, 0x05, 0x03,},
{ 0x05, 0x01, 0x01, 0x04, 0x07, 0x0D, 0x0C, 0x00, 0x01,},
{ 0x21, 0x09, 0x01, 0x00, 0x20, 0x05, 0x23, 0x22, 0x03,},
{ 0x31, 0x0D, 0x01, 0x19, 0x05, 0x30, 0x04, 0x07, 0x00,},
{ 0x31, 0x05, 0x01, 0x04, 0x19, 0x00, 0x0D, 0x30, 0x07,},
{ 0x31, 0x01, 0x00, 0x0D, 0x05, 0x19, 0x04, 0x30, 0x07,},
{ 0x01, 0x01, 0x01, 0x00, 0x01, 0x03, 0x02, 0x01, 0x01,},
{ 0x01, 0x00, 0x01, 0x01, 0x05, 0x09, 0x08, 0x03, 0x01,},
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,},
};
static const uint8_t aic_mode1_vlc_bits[AIC_MODE1_NUM][AIC_MODE1_SIZE] = {
{ 1, 4, 2, 7, 4, 6, 4, 7, 5,},
{ 5, 1, 3, 4, 6, 3, 3, 7, 7,},
{ 1, 4, 2, 7, 6, 7, 5, 4, 4,},
{ 1, 3, 3, 3, 7, 4, 5, 7, 6,},
{ 2, 4, 2, 6, 4, 5, 2, 4, 6,},
{ 7, 2, 3, 4, 7, 1, 5, 7, 7,},
{ 5, 1, 3, 6, 5, 5, 2, 7, 7,},
{ 2, 5, 1, 7, 3, 7, 5, 5, 6,},
{ 2, 4, 1, 4, 5, 7, 6, 7, 4,},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0,},
{ 2, 1, 3, 6, 5, 5, 5, 7, 7,},
{ 5, 1, 3, 4, 6, 3, 3, 7, 7,},
{ 4, 1, 2, 6, 5, 5, 4, 5, 6,},
{ 3, 1, 3, 4, 6, 3, 5, 7, 7,},
{ 4, 1, 3, 6, 3, 5, 3, 7, 7,},
{ 6, 1, 4, 4, 5, 2, 4, 7, 7,},
{ 7, 1, 5, 7, 4, 3, 2, 7, 7,},
{ 5, 3, 2, 7, 5, 6, 1, 5, 7,},
{ 4, 1, 2, 6, 7, 5, 4, 7, 4,},
{ 1, 0, 1, 0, 0, 0, 0, 0, 0,},
{ 3, 3, 1, 5, 5, 6, 6, 5, 3,},
{ 6, 2, 1, 5, 6, 5, 4, 4, 5,},
{ 6, 4, 1, 7, 6, 7, 6, 3, 2,},
{ 4, 3, 1, 4, 6, 4, 6, 5, 3,},
{ 6, 5, 1, 7, 4, 7, 3, 3, 3,},
{ 7, 2, 2, 3, 7, 2, 4, 6, 5,},
{ 6, 2, 2, 6, 4, 5, 2, 4, 4,},
{ 4, 4, 1, 7, 6, 7, 5, 2, 4,},
{ 5, 4, 1, 5, 6, 6, 5, 4, 2,},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0,},
{ 2, 2, 2, 3, 5, 5, 6, 6, 5,},
{ 7, 1, 3, 3, 6, 3, 4, 7, 5,},
{ 2, 4, 1, 4, 6, 7, 7, 5, 4,},
{ 7, 4, 3, 1, 5, 3, 6, 7, 3,},
{ 4, 3, 3, 4, 1, 6, 4, 6, 5,},
{ 7, 4, 4, 2, 6, 1, 4, 7, 5,},
{ 5, 2, 3, 4, 4, 3, 2, 5, 4,},
{ 3, 5, 2, 3, 2, 5, 5, 5, 3,},
{ 6, 4, 4, 2, 5, 4, 7, 7, 1,},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0,},
{ 2, 2, 2, 7, 3, 7, 4, 5, 6,},
{ 4, 1, 3, 6, 4, 4, 3, 6, 5,},
{ 2, 4, 1, 7, 3, 7, 6, 6, 6,},
{ 3, 4, 3, 5, 1, 4, 4, 6, 6,},
{ 4, 5, 2, 7, 1, 7, 3, 7, 7,},
{ 6, 2, 3, 5, 3, 3, 2, 6, 4,},
{ 4, 4, 4, 7, 2, 5, 1, 6, 7,},
{ 4, 5, 2, 7, 1, 7, 4, 4, 6,},
{ 2, 4, 2, 6, 2, 4, 6, 5, 4,},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0,},
{ 1, 3, 3, 5, 6, 3, 5, 6, 5,},
{ 7, 1, 4, 4, 6, 2, 4, 7, 5,},
{ 2, 2, 2, 6, 5, 3, 5, 6, 5,},
{ 7, 4, 4, 2, 6, 1, 5, 7, 4,},
{ 3, 2, 2, 4, 4, 3, 4, 5, 5,},
{ 7, 2, 5, 3, 7, 1, 4, 7, 7,},
{ 6, 2, 3, 4, 5, 2, 2, 7, 7,},
{ 3, 2, 2, 5, 5, 4, 4, 4, 3,},
{ 3, 2, 2, 4, 6, 3, 5, 6, 3,},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0,},
{ 1, 3, 3, 7, 4, 6, 3, 5, 7,},
{ 4, 1, 4, 7, 4, 5, 2, 6, 7,},
{ 2, 4, 1, 7, 5, 7, 3, 7, 7,},
{ 3, 2, 3, 5, 3, 4, 2, 6, 6,},
{ 3, 5, 4, 7, 2, 7, 1, 7, 7,},
{ 4, 1, 3, 6, 5, 3, 3, 7, 7,},
{ 4, 2, 5, 7, 3, 7, 1, 7, 7,},
{ 7, 4, 1, 7, 3, 7, 2, 5, 7,},
{ 4, 2, 2, 6, 4, 5, 2, 6, 4,},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0,},
{ 3, 4, 1, 7, 6, 7, 6, 2, 6,},
{ 4, 2, 2, 6, 6, 5, 4, 2, 4,},
{ 4, 4, 1, 7, 5, 7, 6, 2, 4,},
{ 3, 3, 2, 5, 4, 4, 5, 2, 4,},
{ 4, 5, 2, 7, 2, 7, 3, 2, 6,},
{ 4, 3, 2, 5, 5, 4, 3, 2, 4,},
{ 7, 4, 2, 7, 2, 5, 3, 2, 6,},
{ 4, 6, 2, 7, 3, 7, 6, 1, 6,},
{ 5, 5, 1, 6, 4, 6, 5, 2, 4,},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0,},
{ 3, 3, 2, 3, 5, 6, 6, 4, 2,},
{ 7, 1, 3, 3, 6, 5, 7, 4, 3,},
{ 5, 4, 1, 5, 5, 6, 6, 4, 2,},
{ 6, 4, 2, 2, 6, 3, 6, 6, 2,},
{ 6, 4, 2, 5, 3, 6, 3, 3, 2,},
{ 6, 3, 2, 3, 5, 2, 4, 6, 3,},
{ 6, 2, 2, 4, 3, 5, 3, 6, 3,},
{ 7, 5, 1, 7, 4, 7, 7, 3, 2,},
{ 5, 5, 2, 3, 6, 7, 7, 5, 1,},
{ 0, 0, 0, 0, 0, 0, 0, 0, 0,},
static const uint8_t aic_mode1_vlc_tabs[AIC_MODE1_NUM][AIC_MODE1_SIZE][2] = {
{ { 4, 4 }, { 1, 4 }, { 7, 7 }, { 3, 7 }, { 5, 6 },
{ 8, 5 }, { 6, 4 }, { 2, 2 }, { 0, 1 } },
{ { 5, 3 }, { 2, 3 }, { 8, 7 }, { 7, 7 }, { 4, 6 },
{ 0, 5 }, { 3, 4 }, { 6, 3 }, { 1, 1 } },
{ { 7, 4 }, { 1, 4 }, { 5, 7 }, { 3, 7 }, { 4, 6 },
{ 6, 5 }, { 8, 4 }, { 2, 2 }, { 0, 1 } },
{ { 2, 3 }, { 1, 3 }, { 7, 7 }, { 4, 7 }, { 8, 6 },
{ 6, 5 }, { 5, 4 }, { 3, 3 }, { 0, 1 } },
{ { 2, 2 }, { 0, 2 }, { 4, 4 }, { 1, 4 }, { 8, 6 },
{ 3, 6 }, { 5, 5 }, { 7, 4 }, { 6, 2 } },
{ { 4, 7 }, { 0, 7 }, { 8, 7 }, { 7, 7 }, { 6, 5 },
{ 3, 4 }, { 2, 3 }, { 1, 2 }, { 5, 1 } },
{ { 4, 5 }, { 0, 5 }, { 8, 7 }, { 7, 7 }, { 3, 6 },
{ 5, 5 }, { 2, 3 }, { 6, 2 }, { 1, 1 } },
{ { 6, 5 }, { 1, 5 }, { 5, 7 }, { 3, 7 }, { 8, 6 },
{ 7, 5 }, { 4, 3 }, { 0, 2 }, { 2, 1 } },
{ { 3, 4 }, { 1, 4 }, { 7, 7 }, { 5, 7 }, { 6, 6 },
{ 4, 5 }, { 8, 4 }, { 0, 2 }, { 2, 1 } },
{ { 0 } }, /* unused */
{ { 5, 5 }, { 4, 5 }, { 8, 7 }, { 7, 7 }, { 3, 6 },
{ 6, 5 }, { 2, 3 }, { 0, 2 }, { 1, 1 } },
{ { 5, 3 }, { 2, 3 }, { 8, 7 }, { 7, 7 }, { 4, 6 },
{ 0, 5 }, { 3, 4 }, { 6, 3 }, { 1, 1 } },
{ { 6, 4 }, { 0, 4 }, { 5, 5 }, { 4, 5 }, { 8, 6 },
{ 3, 6 }, { 7, 5 }, { 2, 2 }, { 1, 1 } },
{ { 2, 3 }, { 0, 3 }, { 8, 7 }, { 7, 7 }, { 4, 6 },
{ 6, 5 }, { 3, 4 }, { 5, 3 }, { 1, 1 } },
{ { 4, 3 }, { 2, 3 }, { 8, 7 }, { 7, 7 }, { 3, 6 },
{ 5, 5 }, { 0, 4 }, { 6, 3 }, { 1, 1 } },
{ { 3, 4 }, { 2, 4 }, { 8, 7 }, { 7, 7 }, { 0, 6 },
{ 4, 5 }, { 6, 4 }, { 5, 2 }, { 1, 1 } },
{ { 3, 7 }, { 0, 7 }, { 8, 7 }, { 7, 7 }, { 2, 5 },
{ 4, 4 }, { 5, 3 }, { 6, 2 }, { 1, 1 } },
{ { 4, 5 }, { 0, 5 }, { 8, 7 }, { 3, 7 }, { 5, 6 },
{ 7, 5 }, { 1, 3 }, { 2, 2 }, { 6, 1 } },
{ { 6, 4 }, { 0, 4 }, { 7, 7 }, { 4, 7 }, { 3, 6 },
{ 5, 5 }, { 8, 4 }, { 2, 2 }, { 1, 1 } },
{ { 2, 1 }, { 0, 1 } }, /* Unused */
{ { 1, 3 }, { 0, 3 }, { 4, 5 }, { 3, 5 }, { 6, 6 },
{ 5, 6 }, { 7, 5 }, { 8, 3 }, { 2, 1 } },
{ { 7, 4 }, { 6, 4 }, { 5, 5 }, { 3, 5 }, { 4, 6 },
{ 0, 6 }, { 8, 5 }, { 1, 2 }, { 2, 1 } },
{ { 4, 6 }, { 0, 6 }, { 5, 7 }, { 3, 7 }, { 6, 6 },
{ 1, 4 }, { 7, 3 }, { 8, 2 }, { 2, 1 } },
{ { 8, 3 }, { 1, 3 }, { 3, 4 }, { 0, 4 }, { 6, 6 },
{ 4, 6 }, { 7, 5 }, { 5, 4 }, { 2, 1 } },
{ { 7, 3 }, { 6, 3 }, { 5, 7 }, { 3, 7 }, { 0, 6 },
{ 1, 5 }, { 4, 4 }, { 8, 3 }, { 2, 1 } },
{ { 2, 2 }, { 1, 2 }, { 4, 7 }, { 0, 7 }, { 7, 6 },
{ 8, 5 }, { 6, 4 }, { 3, 3 }, { 5, 2 } },
{ { 2, 2 }, { 1, 2 }, { 7, 4 }, { 4, 4 }, { 3, 6 },
{ 0, 6 }, { 5, 5 }, { 8, 4 }, { 6, 2 } },
{ { 1, 4 }, { 0, 4 }, { 5, 7 }, { 3, 7 }, { 4, 6 },
{ 6, 5 }, { 8, 4 }, { 7, 2 }, { 2, 1 } },
{ { 7, 4 }, { 1, 4 }, { 3, 5 }, { 0, 5 }, { 5, 6 },
{ 4, 6 }, { 6, 5 }, { 8, 2 }, { 2, 1 } },
{ { 0 } }, /* unused */
{ { 1, 2 }, { 0, 2 }, { 5, 5 }, { 4, 5 }, { 7, 6 },
{ 6, 6 }, { 8, 5 }, { 3, 3 }, { 2, 2 } },
{ { 3, 3 }, { 2, 3 }, { 7, 7 }, { 0, 7 }, { 4, 6 },
{ 8, 5 }, { 6, 4 }, { 5, 3 }, { 1, 1 } },
{ { 3, 4 }, { 1, 4 }, { 6, 7 }, { 5, 7 }, { 4, 6 },
{ 7, 5 }, { 8, 4 }, { 0, 2 }, { 2, 1 } },
{ { 5, 3 }, { 2, 3 }, { 7, 7 }, { 0, 7 }, { 6, 6 },
{ 4, 5 }, { 1, 4 }, { 8, 3 }, { 3, 1 } },
{ { 2, 3 }, { 1, 3 }, { 3, 4 }, { 0, 4 }, { 7, 6 },
{ 5, 6 }, { 8, 5 }, { 6, 4 }, { 4, 1 } },
{ { 2, 4 }, { 1, 4 }, { 7, 7 }, { 0, 7 }, { 4, 6 },
{ 8, 5 }, { 6, 4 }, { 3, 2 }, { 5, 1 } },
{ { 6, 2 }, { 1, 2 }, { 5, 3 }, { 2, 3 }, { 4, 4 },
{ 3, 4 }, { 7, 5 }, { 0, 5 }, { 8, 4 } },
{ { 4, 2 }, { 2, 2 }, { 3, 3 }, { 0, 3 }, { 5, 5 },
{ 1, 5 }, { 7, 5 }, { 6, 5 }, { 8, 3 } },
{ { 2, 4 }, { 1, 4 }, { 7, 7 }, { 6, 7 }, { 0, 6 },
{ 4, 5 }, { 5, 4 }, { 3, 2 }, { 8, 1 } },
{ { 0 } }, /* unused */
{ { 1, 2 }, { 0, 2 }, { 5, 7 }, { 3, 7 }, { 8, 6 },
{ 7, 5 }, { 6, 4 }, { 4, 3 }, { 2, 2 } },
{ { 6, 3 }, { 2, 3 }, { 4, 4 }, { 0, 4 }, { 7, 6 },
{ 3, 6 }, { 8, 5 }, { 5, 4 }, { 1, 1 } },
{ { 7, 6 }, { 6, 6 }, { 5, 7 }, { 3, 7 }, { 8, 6 },
{ 1, 4 }, { 4, 3 }, { 0, 2 }, { 2, 1 } },
{ { 2, 3 }, { 0, 3 }, { 5, 4 }, { 1, 4 }, { 8, 6 },
{ 7, 6 }, { 3, 5 }, { 6, 4 }, { 4, 1 } },
{ { 5, 7 }, { 3, 7 }, { 8, 7 }, { 7, 7 }, { 1, 5 },
{ 0, 4 }, { 6, 3 }, { 2, 2 }, { 4, 1 } },
{ { 6, 2 }, { 1, 2 }, { 4, 3 }, { 2, 3 }, { 7, 6 },
{ 0, 6 }, { 3, 5 }, { 8, 4 }, { 5, 3 } },
{ { 1, 4 }, { 0, 4 }, { 8, 7 }, { 3, 7 }, { 7, 6 },
{ 5, 5 }, { 2, 4 }, { 4, 2 }, { 6, 1 } },
{ { 6, 4 }, { 0, 4 }, { 5, 7 }, { 3, 7 }, { 8, 6 },
{ 1, 5 }, { 7, 4 }, { 2, 2 }, { 4, 1 } },
{ { 2, 2 }, { 0, 2 }, { 5, 4 }, { 1, 4 }, { 6, 6 },
{ 3, 6 }, { 7, 5 }, { 8, 4 }, { 4, 2 } },
{ { 0 } }, /* unused */
{ { 2, 3 }, { 1, 3 }, { 6, 5 }, { 3, 5 }, { 7, 6 },
{ 4, 6 }, { 8, 5 }, { 5, 3 }, { 0, 1 } },
{ { 3, 4 }, { 2, 4 }, { 7, 7 }, { 0, 7 }, { 4, 6 },
{ 8, 5 }, { 6, 4 }, { 5, 2 }, { 1, 1 } },
{ { 1, 2 }, { 0, 2 }, { 6, 5 }, { 4, 5 }, { 7, 6 },
{ 3, 6 }, { 8, 5 }, { 5, 3 }, { 2, 2 } },
{ { 2, 4 }, { 1, 4 }, { 7, 7 }, { 0, 7 }, { 4, 6 },
{ 6, 5 }, { 8, 4 }, { 3, 2 }, { 5, 1 } },
{ { 2, 2 }, { 1, 2 }, { 5, 3 }, { 0, 3 }, { 4, 4 },
{ 3, 4 }, { 8, 5 }, { 7, 5 }, { 6, 4 } },
{ { 4, 7 }, { 0, 7 }, { 8, 7 }, { 7, 7 }, { 2, 5 },
{ 6, 4 }, { 3, 3 }, { 1, 2 }, { 5, 1 } },
{ { 5, 2 }, { 1, 2 }, { 8, 7 }, { 7, 7 }, { 0, 6 },
{ 4, 5 }, { 3, 4 }, { 2, 3 }, { 6, 2 } },
{ { 2, 2 }, { 1, 2 }, { 8, 3 }, { 0, 3 }, { 6, 4 },
{ 5, 4 }, { 4, 5 }, { 3, 5 }, { 7, 4 } },
{ { 2, 2 }, { 1, 2 }, { 5, 3 }, { 0, 3 }, { 7, 6 },
{ 4, 6 }, { 6, 5 }, { 3, 4 }, { 8, 3 } },
{ { 0 } }, /* unused */
{ { 2, 3 }, { 1, 3 }, { 8, 7 }, { 3, 7 }, { 5, 6 },
{ 7, 5 }, { 4, 4 }, { 6, 3 }, { 0, 1 } },
{ { 2, 4 }, { 0, 4 }, { 8, 7 }, { 3, 7 }, { 7, 6 },
{ 5, 5 }, { 4, 4 }, { 6, 2 }, { 1, 1 } },
{ { 5, 7 }, { 3, 7 }, { 8, 7 }, { 7, 7 }, { 4, 5 },
{ 1, 4 }, { 6, 3 }, { 0, 2 }, { 2, 1 } },
{ { 6, 2 }, { 1, 2 }, { 2, 3 }, { 0, 3 }, { 8, 6 },
{ 7, 6 }, { 3, 5 }, { 5, 4 }, { 4, 3 } },
{ { 5, 7 }, { 3, 7 }, { 8, 7 }, { 7, 7 }, { 1, 5 },
{ 2, 4 }, { 0, 3 }, { 4, 2 }, { 6, 1 } },
{ { 5, 3 }, { 2, 3 }, { 8, 7 }, { 7, 7 }, { 3, 6 },
{ 4, 5 }, { 0, 4 }, { 6, 3 }, { 1, 1 } },
{ { 5, 7 }, { 3, 7 }, { 8, 7 }, { 7, 7 }, { 2, 5 },
{ 0, 4 }, { 4, 3 }, { 1, 2 }, { 6, 1 } },
{ { 3, 7 }, { 0, 7 }, { 8, 7 }, { 5, 7 }, { 7, 5 },
{ 1, 4 }, { 4, 3 }, { 6, 2 }, { 2, 1 } },
{ { 2, 2 }, { 1, 2 }, { 4, 4 }, { 0, 4 }, { 7, 6 },
{ 3, 6 }, { 5, 5 }, { 8, 4 }, { 6, 2 } },
{ { 0 } }, /* unused */
{ { 6, 6 }, { 4, 6 }, { 5, 7 }, { 3, 7 }, { 8, 6 },
{ 1, 4 }, { 0, 3 }, { 7, 2 }, { 2, 1 } },
{ { 2, 2 }, { 1, 2 }, { 6, 4 }, { 0, 4 }, { 4, 6 },
{ 3, 6 }, { 5, 5 }, { 8, 4 }, { 7, 2 } },
{ { 1, 4 }, { 0, 4 }, { 5, 7 }, { 3, 7 }, { 6, 6 },
{ 4, 5 }, { 8, 4 }, { 7, 2 }, { 2, 1 } },
{ { 7, 2 }, { 2, 2 }, { 1, 3 }, { 0, 3 }, { 5, 4 },
{ 4, 4 }, { 6, 5 }, { 3, 5 }, { 8, 4 } },
{ { 4, 2 }, { 2, 2 }, { 5, 7 }, { 3, 7 }, { 8, 6 },
{ 1, 5 }, { 0, 4 }, { 6, 3 }, { 7, 2 } },
{ { 7, 2 }, { 2, 2 }, { 6, 3 }, { 1, 3 }, { 5, 4 },
{ 0, 4 }, { 4, 5 }, { 3, 5 }, { 8, 4 } },
{ { 4, 2 }, { 2, 2 }, { 3, 7 }, { 0, 7 }, { 8, 6 },
{ 5, 5 }, { 1, 4 }, { 6, 3 }, { 7, 2 } },
{ { 6, 6 }, { 1, 6 }, { 5, 7 }, { 3, 7 }, { 8, 6 },
{ 0, 4 }, { 4, 3 }, { 2, 2 }, { 7, 1 } },
{ { 8, 4 }, { 4, 4 }, { 1, 5 }, { 0, 5 }, { 5, 6 },
{ 3, 6 }, { 6, 5 }, { 7, 2 }, { 2, 1 } },
{ { 0 } }, /* unused */
{ { 8, 2 }, { 2, 2 }, { 1, 3 }, { 0, 3 }, { 6, 6 },
{ 5, 6 }, { 4, 5 }, { 7, 4 }, { 3, 3 } },
{ { 3, 3 }, { 2, 3 }, { 6, 7 }, { 0, 7 }, { 4, 6 },
{ 5, 5 }, { 7, 4 }, { 8, 3 }, { 1, 1 } },
{ { 7, 4 }, { 1, 4 }, { 3, 5 }, { 0, 5 }, { 6, 6 },
{ 5, 6 }, { 4, 5 }, { 8, 2 }, { 2, 1 } },
{ { 3, 2 }, { 2, 2 }, { 4, 6 }, { 0, 6 }, { 7, 6 },
{ 6, 6 }, { 1, 4 }, { 5, 3 }, { 8, 2 } },
{ { 8, 2 }, { 2, 2 }, { 6, 3 }, { 4, 3 }, { 5, 6 },
{ 0, 6 }, { 3, 5 }, { 1, 4 }, { 7, 3 } },
{ { 5, 2 }, { 2, 2 }, { 3, 3 }, { 1, 3 }, { 7, 6 },
{ 0, 6 }, { 4, 5 }, { 6, 4 }, { 8, 3 } },
{ { 2, 2 }, { 1, 2 }, { 6, 3 }, { 4, 3 }, { 7, 6 },
{ 0, 6 }, { 5, 5 }, { 3, 4 }, { 8, 3 } },
{ { 3, 7 }, { 0, 7 }, { 6, 7 }, { 5, 7 }, { 1, 5 },
{ 4, 4 }, { 7, 3 }, { 8, 2 }, { 2, 1 } },
{ { 1, 5 }, { 0, 5 }, { 6, 7 }, { 5, 7 }, { 4, 6 },
{ 7, 5 }, { 3, 3 }, { 2, 2 }, { 8, 1 } },
{ { 0 } }, /* unused */
};
//@}

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