Merge pull request #21 from lfasnacht/global-h-rewrite

Improved clarity of src/global.h
This commit is contained in:
Marko Viitanen 2014-04-01 15:15:00 +03:00
commit b9f8950cf7

View file

@ -54,25 +54,25 @@ typedef int16_t coefficient;
//#define VERBOSE 1
/* CONFIG VARIABLES */
#define LCU_WIDTH 64 /*!< Largest Coding Unit (IT'S 64x64, DO NOT TOUCH!) */
//spec: references to variables defined in Rec. ITU-T H.265 (04/2013)
//Search depth for intra and inter. Block sizes: 0 => 64x64, 1 => 32x32, 2 => 16x16, 3 => 8x8, 4 => 4x4
#define MAX_INTER_SEARCH_DEPTH 3
#define MIN_INTER_SEARCH_DEPTH 0
#define MAX_INTRA_SEARCH_DEPTH 4 /*!< Max search depth -> min block size (3 == 8x8) */
#define MIN_INTRA_SEARCH_DEPTH 1 /*!< Min search depth -> max block size (0 == 64x64) */
#define MAX_INTRA_SEARCH_DEPTH 4
#define MIN_INTRA_SEARCH_DEPTH 1
#define MAX_DEPTH 3 /*!< spec: log2_diff_max_min_luma_coding_block_size */
#define MIN_SIZE 3 /*!< spec: MinCbLog2SizeY */
#define MAX_PU_DEPTH 4 /*!< Search is started at depth 0 and goes in Z-order to MAX_PU_DEPTH, see search_cu() */
#define MAX_DEPTH 3 /*!< smallest CU is LCU_WIDTH>>MAX_DEPTH */
#define MAX_PU_DEPTH 4
#define MIN_SIZE 3 /*!< log2_min_coding_block_size */
#define CU_MIN_SIZE_PIXELS 8 /*!< pow(2, MIN_SIZE) */
#define TR_DEPTH_INTRA 2 /*!< spec: max_transform_hierarchy_depth_intra */
#define TR_DEPTH_INTER 2 /*!< spec: max_transform_hierarchy_depth_inter */
#define TR_DEPTH_INTRA 2
#define TR_DEPTH_INTER 2
#define ENABLE_PCM 0 /*!< Setting to 1 will enable using PCM blocks (current intra-search does not consider PCM) */
#define ENABLE_SIGN_HIDING 1
#define ENABLE_PCM 0 /*!< spec: pcm_enabled_flag, Setting to 1 will enable using PCM blocks (current intra-search does not consider PCM) */
#define ENABLE_SIGN_HIDING 1 /*!< spec: sign_data_hiding_enabled_flag */
#define ENABLE_TEMPORAL_MVP 0 /*!< Enable usage of temporal Motion Vector Prediction */
@ -80,6 +80,13 @@ typedef int16_t coefficient;
/* END OF CONFIG VARIABLES */
#define CU_MIN_SIZE_PIXELS (1 << MIN_SIZE) /*!< pow(2, MIN_SIZE) */
#define LCU_WIDTH (1 << (MAX_DEPTH + MIN_SIZE)) /*!< Largest Coding Unit, spec: CtbSizeY */
#if LCU_WIDTH != 64
#error "Kvazaar only support LCU_WIDTH == 64"
#endif
#define LCU_LUMA_SIZE (LCU_WIDTH * LCU_WIDTH)
#define LCU_CHROMA_SIZE (LCU_WIDTH * LCU_WIDTH >> 2)