diff options
Diffstat (limited to 'third_party/aom/av1/common/common_data.h')
| -rw-r--r-- | third_party/aom/av1/common/common_data.h | 75 |
1 files changed, 44 insertions, 31 deletions
diff --git a/third_party/aom/av1/common/common_data.h b/third_party/aom/av1/common/common_data.h index f521f10bf..46e455fdb 100644 --- a/third_party/aom/av1/common/common_data.h +++ b/third_party/aom/av1/common/common_data.h @@ -9,8 +9,8 @@ * PATENTS file, you can obtain it at www.aomedia.org/license/patent. */ -#ifndef AV1_COMMON_COMMON_DATA_H_ -#define AV1_COMMON_COMMON_DATA_H_ +#ifndef AOM_AV1_COMMON_COMMON_DATA_H_ +#define AOM_AV1_COMMON_COMMON_DATA_H_ #include "av1/common/enums.h" #include "aom/aom_integer.h" @@ -20,34 +20,43 @@ extern "C" { #endif -// Log 2 conversion lookup tables in units of mode info(4x4). +// Log 2 conversion lookup tables in units of mode info (4x4). +// The Mi_Width_Log2 table in the spec (Section 9.3. Conversion tables). static const uint8_t mi_size_wide_log2[BLOCK_SIZES_ALL] = { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 0, 2, 1, 3, 2, 4 }; +// The Mi_Height_Log2 table in the spec (Section 9.3. Conversion tables). static const uint8_t mi_size_high_log2[BLOCK_SIZES_ALL] = { 0, 1, 0, 1, 2, 1, 2, 3, 2, 3, 4, 3, 4, 5, 4, 5, 2, 0, 3, 1, 4, 2 }; +// Width/height lookup tables in units of mode info (4x4). +// The Num_4x4_Blocks_Wide table in the spec (Section 9.3. Conversion tables). static const uint8_t mi_size_wide[BLOCK_SIZES_ALL] = { 1, 1, 2, 2, 2, 4, 4, 4, 8, 8, 8, 16, 16, 16, 32, 32, 1, 4, 2, 8, 4, 16 }; +// The Num_4x4_Blocks_High table in the spec (Section 9.3. Conversion tables). static const uint8_t mi_size_high[BLOCK_SIZES_ALL] = { 1, 2, 1, 2, 4, 2, 4, 8, 4, 8, 16, 8, 16, 32, 16, 32, 4, 1, 8, 2, 16, 4 }; -// Width/height lookup tables in units of various block sizes +// Width/height lookup tables in units of samples. +// The Block_Width table in the spec (Section 9.3. Conversion tables). static const uint8_t block_size_wide[BLOCK_SIZES_ALL] = { 4, 4, 8, 8, 8, 16, 16, 16, 32, 32, 32, 64, 64, 64, 128, 128, 4, 16, 8, 32, 16, 64 }; +// The Block_Height table in the spec (Section 9.3. Conversion tables). static const uint8_t block_size_high[BLOCK_SIZES_ALL] = { 4, 8, 4, 8, 16, 8, 16, 32, 16, 32, 64, 32, 64, 128, 64, 128, 16, 4, 32, 8, 64, 16 }; -// AOMMIN(3, AOMMIN(b_width_log2(bsize), b_height_log2(bsize))) +// Maps a block size to a context. +// The Size_Group table in the spec (Section 9.3. Conversion tables). +// AOMMIN(3, AOMMIN(mi_size_wide_log2(bsize), mi_size_high_log2(bsize))) static const uint8_t size_group_lookup[BLOCK_SIZES_ALL] = { 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 0, 0, 1, 1, 2, 2 }; @@ -56,6 +65,8 @@ static const uint8_t num_pels_log2_lookup[BLOCK_SIZES_ALL] = { 4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12, 13, 13, 14, 6, 6, 8, 8, 10, 10 }; +// A compressed version of the Partition_Subsize table in the spec (9.3. +// Conversion tables), for square block sizes only. /* clang-format off */ static const BLOCK_SIZE subsize_lookup[EXT_PARTITION_TYPES][SQR_BLOCK_SIZES] = { { // PARTITION_NONE @@ -350,34 +361,36 @@ static const TX_SIZE tx_mode_to_biggest_tx_size[TX_MODES] = { TX_64X64, // TX_MODE_LARGEST TX_64X64, // TX_MODE_SELECT }; -/* clang-format on */ +// The Subsampled_Size table in the spec (Section 5.11.38. Get plane residual +// size function). static const BLOCK_SIZE ss_size_lookup[BLOCK_SIZES_ALL][2][2] = { - // ss_x == 0 ss_x == 0 ss_x == 1 ss_x == 1 - // ss_y == 0 ss_y == 1 ss_y == 0 ss_y == 1 - { { BLOCK_4X4, BLOCK_4X4 }, { BLOCK_4X4, BLOCK_4X4 } }, - { { BLOCK_4X8, BLOCK_4X4 }, { BLOCK_4X4, BLOCK_4X4 } }, - { { BLOCK_8X4, BLOCK_4X4 }, { BLOCK_4X4, BLOCK_4X4 } }, - { { BLOCK_8X8, BLOCK_8X4 }, { BLOCK_4X8, BLOCK_4X4 } }, - { { BLOCK_8X16, BLOCK_8X8 }, { BLOCK_4X16, BLOCK_4X8 } }, - { { BLOCK_16X8, BLOCK_16X4 }, { BLOCK_8X8, BLOCK_8X4 } }, - { { BLOCK_16X16, BLOCK_16X8 }, { BLOCK_8X16, BLOCK_8X8 } }, - { { BLOCK_16X32, BLOCK_16X16 }, { BLOCK_8X32, BLOCK_8X16 } }, - { { BLOCK_32X16, BLOCK_32X8 }, { BLOCK_16X16, BLOCK_16X8 } }, - { { BLOCK_32X32, BLOCK_32X16 }, { BLOCK_16X32, BLOCK_16X16 } }, - { { BLOCK_32X64, BLOCK_32X32 }, { BLOCK_16X64, BLOCK_16X32 } }, - { { BLOCK_64X32, BLOCK_64X16 }, { BLOCK_32X32, BLOCK_32X16 } }, - { { BLOCK_64X64, BLOCK_64X32 }, { BLOCK_32X64, BLOCK_32X32 } }, - { { BLOCK_64X128, BLOCK_64X64 }, { BLOCK_INVALID, BLOCK_32X64 } }, - { { BLOCK_128X64, BLOCK_INVALID }, { BLOCK_64X64, BLOCK_64X32 } }, - { { BLOCK_128X128, BLOCK_128X64 }, { BLOCK_64X128, BLOCK_64X64 } }, - { { BLOCK_4X16, BLOCK_4X8 }, { BLOCK_4X16, BLOCK_4X8 } }, - { { BLOCK_16X4, BLOCK_16X4 }, { BLOCK_8X4, BLOCK_8X4 } }, - { { BLOCK_8X32, BLOCK_8X16 }, { BLOCK_INVALID, BLOCK_4X16 } }, - { { BLOCK_32X8, BLOCK_INVALID }, { BLOCK_16X8, BLOCK_16X4 } }, - { { BLOCK_16X64, BLOCK_16X32 }, { BLOCK_INVALID, BLOCK_8X32 } }, - { { BLOCK_64X16, BLOCK_INVALID }, { BLOCK_32X16, BLOCK_32X8 } } + // ss_x == 0 ss_x == 0 ss_x == 1 ss_x == 1 + // ss_y == 0 ss_y == 1 ss_y == 0 ss_y == 1 + { { BLOCK_4X4, BLOCK_4X4 }, { BLOCK_4X4, BLOCK_4X4 } }, + { { BLOCK_4X8, BLOCK_4X4 }, { BLOCK_INVALID, BLOCK_4X4 } }, + { { BLOCK_8X4, BLOCK_INVALID }, { BLOCK_4X4, BLOCK_4X4 } }, + { { BLOCK_8X8, BLOCK_8X4 }, { BLOCK_4X8, BLOCK_4X4 } }, + { { BLOCK_8X16, BLOCK_8X8 }, { BLOCK_INVALID, BLOCK_4X8 } }, + { { BLOCK_16X8, BLOCK_INVALID }, { BLOCK_8X8, BLOCK_8X4 } }, + { { BLOCK_16X16, BLOCK_16X8 }, { BLOCK_8X16, BLOCK_8X8 } }, + { { BLOCK_16X32, BLOCK_16X16 }, { BLOCK_INVALID, BLOCK_8X16 } }, + { { BLOCK_32X16, BLOCK_INVALID }, { BLOCK_16X16, BLOCK_16X8 } }, + { { BLOCK_32X32, BLOCK_32X16 }, { BLOCK_16X32, BLOCK_16X16 } }, + { { BLOCK_32X64, BLOCK_32X32 }, { BLOCK_INVALID, BLOCK_16X32 } }, + { { BLOCK_64X32, BLOCK_INVALID }, { BLOCK_32X32, BLOCK_32X16 } }, + { { BLOCK_64X64, BLOCK_64X32 }, { BLOCK_32X64, BLOCK_32X32 } }, + { { BLOCK_64X128, BLOCK_64X64 }, { BLOCK_INVALID, BLOCK_32X64 } }, + { { BLOCK_128X64, BLOCK_INVALID }, { BLOCK_64X64, BLOCK_64X32 } }, + { { BLOCK_128X128, BLOCK_128X64 }, { BLOCK_64X128, BLOCK_64X64 } }, + { { BLOCK_4X16, BLOCK_4X8 }, { BLOCK_INVALID, BLOCK_4X8 } }, + { { BLOCK_16X4, BLOCK_INVALID }, { BLOCK_8X4, BLOCK_8X4 } }, + { { BLOCK_8X32, BLOCK_8X16 }, { BLOCK_INVALID, BLOCK_4X16 } }, + { { BLOCK_32X8, BLOCK_INVALID }, { BLOCK_16X8, BLOCK_16X4 } }, + { { BLOCK_16X64, BLOCK_16X32 }, { BLOCK_INVALID, BLOCK_8X32 } }, + { { BLOCK_64X16, BLOCK_INVALID }, { BLOCK_32X16, BLOCK_32X8 } } }; +/* clang-format on */ // Generates 5 bit field in which each bit set to 1 represents // a blocksize partition 11111 means we split 128x128, 64x64, 32x32, 16x16 @@ -430,4 +443,4 @@ static const int quant_dist_lookup_table[2][4][2] = { } // extern "C" #endif -#endif // AV1_COMMON_COMMON_DATA_H_ +#endif // AOM_AV1_COMMON_COMMON_DATA_H_ |