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dnxhddec: merge ac_{index,run}_flags

Browse Source 
These tables contain only a 1-bit flag each.  Combining them reduces
the data size and saves some instructions in the block decode loop.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-07-23 00:05:54 +01:00
parent 185a2c08c5
commit 9dfd89b831
4 changed files with 117 additions and 231 deletions
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libavcodec/dnxhddata.c
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@ -303,44 +303,24 @@ static const uint8_t dnxhd_1237_ac_level[257] = {
129, 129,
}; };
static const uint8_t dnxhd_1237_ac_run_flag[257] = { static const uint8_t dnxhd_1237_ac_flags[257] = {
0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 0,
1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0,
0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0,
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 0, 0, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
}; 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
static const uint8_t dnxhd_1237_ac_index_flag[257] = { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1,
}; };
static const uint16_t dnxhd_1237_run_codes[62] = { static const uint16_t dnxhd_1237_run_codes[62] = {
@ -452,44 +432,27 @@ static const uint8_t dnxhd_1238_ac_level[257] = {
129, 129,
}; /* 0 is EOB */ }; /* 0 is EOB */
static const uint8_t dnxhd_1238_ac_run_flag[257] = { static const uint8_t dnxhd_1238_ac_flags[257] = {
0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0,
0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2,
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
1, 3,
}; };
static const uint8_t dnxhd_1238_ac_index_flag[257] = { static const uint8_t dnxhd_1238_ac_index_flag[257] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1,
}; };
static const uint16_t dnxhd_1235_1238_1241_run_codes[62] = { static const uint16_t dnxhd_1235_1238_1241_run_codes[62] = {
@ -601,44 +564,24 @@ static const uint8_t dnxhd_1235_1241_ac_level[257] = {
129, 129,
}; };
static const uint8_t dnxhd_1235_1241_ac_run_flag[257] = { static const uint8_t dnxhd_1235_1241_ac_flags[257] = {
0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0,
0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2,
1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
}; 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
static const uint8_t dnxhd_1235_1241_ac_index_flag[257] = { 3,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1,
}; };
static const uint8_t dnxhd_1235_1241_run[62] = { static const uint8_t dnxhd_1235_1241_run[62] = {
@ -727,43 +670,24 @@ static const uint8_t dnxhd_1250_ac_level[257] = {
97, 99,101,103,105,107,109,111,113,115,117,119,121,123,125,127, 97, 99,101,103,105,107,109,111,113,115,117,119,121,123,125,127,
129 129
}; };
static const uint8_t dnxhd_1250_ac_run_flag[257] = { static const uint8_t dnxhd_1250_ac_flags[257] = {
0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0,
0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2,
1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,
0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1,
1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
1 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
}; 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
static const uint8_t dnxhd_1250_ac_index_flag[257] = { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,
1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0,
0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1
}; };
static const uint16_t dnxhd_1250_run_codes[62] = { static const uint16_t dnxhd_1250_run_codes[62] = {
0, 4, 5, 12, 26, 27, 28, 58, 0, 4, 5, 12, 26, 27, 28, 58,
@ -872,44 +796,24 @@ static const uint8_t dnxhd_1251_ac_level[257] = {
129, 129,
}; };
static const uint8_t dnxhd_1251_ac_run_flag[257] = { static const uint8_t dnxhd_1251_ac_flags[257] = {
0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0,
0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
}; 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3,
static const uint8_t dnxhd_1251_ac_index_flag[257] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0,
0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1,
}; };
static const uint16_t dnxhd_1251_run_codes[62] = { static const uint16_t dnxhd_1251_run_codes[62] = {
@ -1021,44 +925,24 @@ static const uint8_t dnxhd_1252_ac_level[257] = {
129, 129,
}; };
static const uint8_t dnxhd_1252_ac_run_flag[257] = { static const uint8_t dnxhd_1252_ac_flags[257] = {
0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0,
0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2,
1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
}; 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
static const uint8_t dnxhd_1252_ac_index_flag[257] = { 3,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1,
}; };
const CIDEntry ff_dnxhd_cid_table[] = { const CIDEntry ff_dnxhd_cid_table[] = {
@ -1066,70 +950,70 @@ const CIDEntry ff_dnxhd_cid_table[] = {
dnxhd_1235_luma_weight, dnxhd_1235_chroma_weight, dnxhd_1235_luma_weight, dnxhd_1235_chroma_weight,
dnxhd_1235_1241_dc_codes, dnxhd_1235_1241_dc_bits, dnxhd_1235_1241_dc_codes, dnxhd_1235_1241_dc_bits,
dnxhd_1235_1241_ac_codes, dnxhd_1235_1241_ac_bits, dnxhd_1235_1241_ac_level, dnxhd_1235_1241_ac_codes, dnxhd_1235_1241_ac_bits, dnxhd_1235_1241_ac_level,
dnxhd_1235_1241_ac_run_flag, dnxhd_1235_1241_ac_index_flag, dnxhd_1235_1241_ac_flags,
dnxhd_1235_1238_1241_run_codes, dnxhd_1235_1238_1241_run_bits, dnxhd_1235_1241_run, dnxhd_1235_1238_1241_run_codes, dnxhd_1235_1238_1241_run_bits, dnxhd_1235_1241_run,
{ 175, 185, 365, 440 } }, { 175, 185, 365, 440 } },
{ 1237, 1920, 1080, 0, 606208, 606208, 4, 8, 3, { 1237, 1920, 1080, 0, 606208, 606208, 4, 8, 3,
dnxhd_1237_luma_weight, dnxhd_1237_chroma_weight, dnxhd_1237_luma_weight, dnxhd_1237_chroma_weight,
dnxhd_1237_dc_codes, dnxhd_1237_dc_bits, dnxhd_1237_dc_codes, dnxhd_1237_dc_bits,
dnxhd_1237_ac_codes, dnxhd_1237_ac_bits, dnxhd_1237_ac_level, dnxhd_1237_ac_codes, dnxhd_1237_ac_bits, dnxhd_1237_ac_level,
dnxhd_1237_ac_run_flag, dnxhd_1237_ac_index_flag, dnxhd_1237_ac_flags,
dnxhd_1237_run_codes, dnxhd_1237_run_bits, dnxhd_1237_run, dnxhd_1237_run_codes, dnxhd_1237_run_bits, dnxhd_1237_run,
{ 115, 120, 145, 240, 290 } }, { 115, 120, 145, 240, 290 } },
{ 1238, 1920, 1080, 0, 917504, 917504, 4, 8, 4, { 1238, 1920, 1080, 0, 917504, 917504, 4, 8, 4,
dnxhd_1238_luma_weight, dnxhd_1238_chroma_weight, dnxhd_1238_luma_weight, dnxhd_1238_chroma_weight,
dnxhd_1238_dc_codes, dnxhd_1238_dc_bits, dnxhd_1238_dc_codes, dnxhd_1238_dc_bits,
dnxhd_1238_ac_codes, dnxhd_1238_ac_bits, dnxhd_1238_ac_level, dnxhd_1238_ac_codes, dnxhd_1238_ac_bits, dnxhd_1238_ac_level,
dnxhd_1238_ac_run_flag, dnxhd_1238_ac_index_flag, dnxhd_1238_ac_flags,
dnxhd_1235_1238_1241_run_codes, dnxhd_1235_1238_1241_run_bits, dnxhd_1238_run, dnxhd_1235_1238_1241_run_codes, dnxhd_1235_1238_1241_run_bits, dnxhd_1238_run,
{ 175, 185, 220, 365, 440 } }, { 175, 185, 220, 365, 440 } },
{ 1241, 1920, 1080, 1, 917504, 458752, 6, 10, 4, { 1241, 1920, 1080, 1, 917504, 458752, 6, 10, 4,
dnxhd_1241_luma_weight, dnxhd_1241_chroma_weight, dnxhd_1241_luma_weight, dnxhd_1241_chroma_weight,
dnxhd_1235_1241_dc_codes, dnxhd_1235_1241_dc_bits, dnxhd_1235_1241_dc_codes, dnxhd_1235_1241_dc_bits,
dnxhd_1235_1241_ac_codes, dnxhd_1235_1241_ac_bits, dnxhd_1235_1241_ac_level, dnxhd_1235_1241_ac_codes, dnxhd_1235_1241_ac_bits, dnxhd_1235_1241_ac_level,
dnxhd_1235_1241_ac_run_flag, dnxhd_1235_1241_ac_index_flag, dnxhd_1235_1241_ac_flags,
dnxhd_1235_1238_1241_run_codes, dnxhd_1235_1238_1241_run_bits, dnxhd_1235_1241_run, dnxhd_1235_1238_1241_run_codes, dnxhd_1235_1238_1241_run_bits, dnxhd_1235_1241_run,
{ 185, 220 } }, { 185, 220 } },
{ 1242, 1920, 1080, 1, 606208, 303104, 4, 8, 3, { 1242, 1920, 1080, 1, 606208, 303104, 4, 8, 3,
dnxhd_1242_luma_weight, dnxhd_1242_chroma_weight, dnxhd_1242_luma_weight, dnxhd_1242_chroma_weight,
dnxhd_1237_dc_codes, dnxhd_1237_dc_bits, dnxhd_1237_dc_codes, dnxhd_1237_dc_bits,
dnxhd_1237_ac_codes, dnxhd_1237_ac_bits, dnxhd_1237_ac_level, dnxhd_1237_ac_codes, dnxhd_1237_ac_bits, dnxhd_1237_ac_level,
dnxhd_1237_ac_run_flag, dnxhd_1237_ac_index_flag, dnxhd_1237_ac_flags,
dnxhd_1237_run_codes, dnxhd_1237_run_bits, dnxhd_1237_run, dnxhd_1237_run_codes, dnxhd_1237_run_bits, dnxhd_1237_run,
{ 120, 145 } }, { 120, 145 } },
{ 1243, 1920, 1080, 1, 917504, 458752, 4, 8, 4, { 1243, 1920, 1080, 1, 917504, 458752, 4, 8, 4,
dnxhd_1243_luma_weight, dnxhd_1243_chroma_weight, dnxhd_1243_luma_weight, dnxhd_1243_chroma_weight,
dnxhd_1238_dc_codes, dnxhd_1238_dc_bits, dnxhd_1238_dc_codes, dnxhd_1238_dc_bits,
dnxhd_1238_ac_codes, dnxhd_1238_ac_bits, dnxhd_1238_ac_level, dnxhd_1238_ac_codes, dnxhd_1238_ac_bits, dnxhd_1238_ac_level,
dnxhd_1238_ac_run_flag, dnxhd_1238_ac_index_flag, dnxhd_1238_ac_flags,
dnxhd_1235_1238_1241_run_codes, dnxhd_1235_1238_1241_run_bits, dnxhd_1238_run, dnxhd_1235_1238_1241_run_codes, dnxhd_1235_1238_1241_run_bits, dnxhd_1238_run,
{ 185, 220 } }, { 185, 220 } },
{ 1250, 1280, 720, 0, 458752, 458752, 6, 10, 4, { 1250, 1280, 720, 0, 458752, 458752, 6, 10, 4,
dnxhd_1250_luma_weight, dnxhd_1250_chroma_weight, dnxhd_1250_luma_weight, dnxhd_1250_chroma_weight,
dnxhd_1250_dc_codes, dnxhd_1250_dc_bits, dnxhd_1250_dc_codes, dnxhd_1250_dc_bits,
dnxhd_1250_ac_codes, dnxhd_1250_ac_bits, dnxhd_1250_ac_level, dnxhd_1250_ac_codes, dnxhd_1250_ac_bits, dnxhd_1250_ac_level,
dnxhd_1250_ac_run_flag, dnxhd_1250_ac_index_flag, dnxhd_1250_ac_flags,
dnxhd_1250_run_codes, dnxhd_1250_run_bits, dnxhd_1250_run, dnxhd_1250_run_codes, dnxhd_1250_run_bits, dnxhd_1250_run,
{ 90, 180, 220 } }, { 90, 180, 220 } },
{ 1251, 1280, 720, 0, 458752, 458752, 4, 8, 4, { 1251, 1280, 720, 0, 458752, 458752, 4, 8, 4,
dnxhd_1251_luma_weight, dnxhd_1251_chroma_weight, dnxhd_1251_luma_weight, dnxhd_1251_chroma_weight,
dnxhd_1251_dc_codes, dnxhd_1251_dc_bits, dnxhd_1251_dc_codes, dnxhd_1251_dc_bits,
dnxhd_1251_ac_codes, dnxhd_1251_ac_bits, dnxhd_1251_ac_level, dnxhd_1251_ac_codes, dnxhd_1251_ac_bits, dnxhd_1251_ac_level,
dnxhd_1251_ac_run_flag, dnxhd_1251_ac_index_flag, dnxhd_1251_ac_flags,
dnxhd_1251_run_codes, dnxhd_1251_run_bits, dnxhd_1251_run, dnxhd_1251_run_codes, dnxhd_1251_run_bits, dnxhd_1251_run,
{ 90, 110, 175, 220 } }, { 90, 110, 175, 220 } },
{ 1252, 1280, 720, 0, 303104, 303104, 4, 8, 5, { 1252, 1280, 720, 0, 303104, 303104, 4, 8, 5,
dnxhd_1252_luma_weight, dnxhd_1252_chroma_weight, dnxhd_1252_luma_weight, dnxhd_1252_chroma_weight,
dnxhd_1252_dc_codes, dnxhd_1252_dc_bits, dnxhd_1252_dc_codes, dnxhd_1252_dc_bits,
dnxhd_1252_ac_codes, dnxhd_1252_ac_bits, dnxhd_1252_ac_level, dnxhd_1252_ac_codes, dnxhd_1252_ac_bits, dnxhd_1252_ac_level,
dnxhd_1252_ac_run_flag, dnxhd_1252_ac_index_flag, dnxhd_1252_ac_flags,
dnxhd_1251_run_codes, dnxhd_1251_run_bits, dnxhd_1251_run, dnxhd_1251_run_codes, dnxhd_1251_run_bits, dnxhd_1251_run,
{ 60, 75, 115, 145 } }, { 60, 75, 115, 145 } },
{ 1253, 1920, 1080, 0, 188416, 188416, 4, 8, 3, { 1253, 1920, 1080, 0, 188416, 188416, 4, 8, 3,
dnxhd_1237_luma_weight, dnxhd_1237_chroma_weight, dnxhd_1237_luma_weight, dnxhd_1237_chroma_weight,
dnxhd_1237_dc_codes, dnxhd_1237_dc_bits, dnxhd_1237_dc_codes, dnxhd_1237_dc_bits,
dnxhd_1237_ac_codes, dnxhd_1237_ac_bits, dnxhd_1237_ac_level, dnxhd_1237_ac_codes, dnxhd_1237_ac_bits, dnxhd_1237_ac_level,
dnxhd_1237_ac_run_flag, dnxhd_1237_ac_index_flag, dnxhd_1237_ac_flags,
dnxhd_1237_run_codes, dnxhd_1237_run_bits, dnxhd_1237_run, dnxhd_1237_run_codes, dnxhd_1237_run_bits, dnxhd_1237_run,
{ 36, 45, 75, 90 } }, { 36, 45, 75, 90 } },
}; };

2
libavcodec/dnxhddata.h
View File

@ -38,7 +38,7 @@ typedef struct {
const uint8_t *dc_codes, *dc_bits; const uint8_t *dc_codes, *dc_bits;
const uint16_t *ac_codes; const uint16_t *ac_codes;
const uint8_t *ac_bits, *ac_level; const uint8_t *ac_bits, *ac_level;
const uint8_t *ac_run_flag, *ac_index_flag; const uint8_t *ac_flags;
const uint16_t *run_codes; const uint16_t *run_codes;
const uint8_t *run_bits, *run; const uint8_t *run_bits, *run;
int bit_rates[5]; ///< Helpher to choose variants, rounded to nearest 5Mb/s int bit_rates[5]; ///< Helpher to choose variants, rounded to nearest 5Mb/s

8
libavcodec/dnxhddec.c
View File

@ -179,10 +179,11 @@ static av_always_inline void dnxhd_decode_dct_block(DNXHDContext *ctx,
int level_bias, int level_bias,
int level_shift) int level_shift)
{ {
int i, j, index1, index2, len; int i, j, index1, index2, len, flags;
int level, component, sign; int level, component, sign;
const uint8_t *weight_matrix; const uint8_t *weight_matrix;
const uint8_t *ac_level = ctx->cid_table->ac_level; const uint8_t *ac_level = ctx->cid_table->ac_level;
const uint8_t *ac_flags = ctx->cid_table->ac_flags;
const int eob_index = ctx->cid_table->eob_index; const int eob_index = ctx->cid_table->eob_index;
OPEN_READER(bs, &ctx->gb); OPEN_READER(bs, &ctx->gb);
@ -214,16 +215,17 @@ static av_always_inline void dnxhd_decode_dct_block(DNXHDContext *ctx,
while (index1 != eob_index) { while (index1 != eob_index) {
level = ac_level[index1]; level = ac_level[index1];
flags = ac_flags[index1];
sign = SHOW_SBITS(bs, &ctx->gb, 1); sign = SHOW_SBITS(bs, &ctx->gb, 1);
SKIP_BITS(bs, &ctx->gb, 1); SKIP_BITS(bs, &ctx->gb, 1);
if (ctx->cid_table->ac_index_flag[index1]) { if (flags & 1) {
level += SHOW_UBITS(bs, &ctx->gb, index_bits) << 7; level += SHOW_UBITS(bs, &ctx->gb, index_bits) << 7;
SKIP_BITS(bs, &ctx->gb, index_bits); SKIP_BITS(bs, &ctx->gb, index_bits);
} }
if (ctx->cid_table->ac_run_flag[index1]) { if (flags & 2) {
UPDATE_CACHE(bs, &ctx->gb); UPDATE_CACHE(bs, &ctx->gb);
GET_VLC(index2, bs, &ctx->gb, ctx->run_vlc.table, GET_VLC(index2, bs, &ctx->gb, ctx->run_vlc.table,
DNXHD_VLC_BITS, 2); DNXHD_VLC_BITS, 2);

4
libavcodec/dnxhdenc.c
View File

@ -122,8 +122,8 @@ static int dnxhd_init_vlc(DNXHDEncContext *ctx)
} }
for (j = 0; j < 257; j++) { for (j = 0; j < 257; j++) {
if (ctx->cid_table->ac_level[j] >> 1 == alevel && if (ctx->cid_table->ac_level[j] >> 1 == alevel &&
(!offset || (ctx->cid_table->ac_index_flag[j] && offset)) && (!offset || (ctx->cid_table->ac_flags[j] & 1) && offset) &&
(!run || (ctx->cid_table->ac_run_flag [j] && run))) { (!run || (ctx->cid_table->ac_flags[j] & 2) && run)) {
assert(!ctx->vlc_codes[index]); assert(!ctx->vlc_codes[index]);
if (alevel) { if (alevel) {
ctx->vlc_codes[index] = (ctx->cid_table->ac_codes[j]<<1)|(sign&1); ctx->vlc_codes[index] = (ctx->cid_table->ac_codes[j]<<1)|(sign&1);