ref: e307cbb6a1c426e2dbb23054d02d6ebdaaa559c7
dir: /codec/encoder/core/inc/wels_const.h/
/*!
* \copy
* Copyright (c) 2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
//wels_const.h
#ifndef WELS_CONSTANCE_H__
#define WELS_CONSTANCE_H__
#include "as264_common.h" // to communicate with specific macros there, 3/18/2010
#include "codec_app_def.h"
/* To control number of spatial, quality and temporal layers constraint by application layer? */
#define NUM_SPATIAL_LAYERS_CONSTRAINT
#define NUM_QUALITY_LAYERS_CONSTRAINT
// Miscellaneous sizing infos
#ifndef MAX_FNAME_LEN
#define MAX_FNAME_LEN 256 // maximal length of file name in str_t size
#endif//MAX_FNAME_LEN
#ifndef WELS_LOG_BUF_SIZE
#define WELS_LOG_BUF_SIZE 4096
#endif//WELS_LOG_BUF_SIZE
#ifndef MAX_TRACE_LOG_SIZE
#define MAX_TRACE_LOG_SIZE (50 * (1<<20)) // max trace log size: 50 MB, overwrite occur if log file size exceeds this size
#endif//MAX_TRACE_LOG_SIZE
/* MB width in pixels for specified colorspace I420 usually used in codec */
#define MB_WIDTH_LUMA 16
#define MB_WIDTH_CHROMA (MB_WIDTH_LUMA>>1)
/* MB height in pixels for specified colorspace I420 usually used in codec */
#define MB_HEIGHT_LUMA 16
#define MB_HEIGHT_CHROMA (MB_HEIGHT_LUMA>>1)
/* Some list size */
#define MB_COEFF_LIST_SIZE (256+((MB_WIDTH_CHROMA*MB_HEIGHT_CHROMA)<<1))
#define MB_REQ_LUMA_CACHE_SIZE 40 // 8x5 Size of MB cache only luma component required to store
#define MB_REQ_ALL_CACHE_SIZE 48 // 8x6 Size of MB cache all components required to store
#define MB_LUMA_CACHE_SIZE 26 // 5x5+1
#define MB_CHROMA_CACHE_SIZE 10 // 3x3+1
#define MB_PARTITION_SIZE 4 // Macroblock partition size in 8x8 sub-blocks
#define MB_SUB_PARTITION_SIZE 4 // Sub partition size in a 8x8 sub-block
#define MB_BLOCK4x4_NUM 16
#define INTRA_4x4_MODE_NUM 8
#define MB_BLOCK8x8_NUM 4
#define MB_LUMA_CHROMA_BLOCK4x4_NUM 24
#define NAL_UNIT_HEADER_SVC_EXT_SIZE 3 // Size of NAL unit header for SVC extension in byte
#define MAX_SPS_COUNT 32 // Count number of SPS
#define MAX_PPS_COUNT_LIMITED 57// limit the max ID of PPS because of known limitation of receiver endpoints
#define MAX_PPS_COUNT (MAX_PPS_COUNT_LIMITED)//in Standard is 256 // Count number of PPS
#define PARA_SET_TYPE 3 // SPS+PPS
#define PARA_SET_TYPE_AVCSPS 0
#define PARA_SET_TYPE_SUBSETSPS 1
#define PARA_SET_TYPE_PPS 2
#define MAX_FRAME_RATE 30 // maximal frame rate to support
#define MIN_FRAME_RATE 1 // minimal frame rate need support
#define SVC_QUALITY_BASE_QP 26
#define SVC_QUALITY_DELTA_QP (-3)
#define MAX_SLICEGROUP_IDS 8 // Count number of SSlice Groups
#define MAX_THREADS_NUM 4 // assume to support up to 4 logical cores(threads)
#define ALIGN_RBSP_LEN_FIX 4
#define PADDING_LENGTH 32 // reference extension
#define INTPEL_NEEDED_MARGIN (3) // for safe sub-pel MC
#define I420_PLANES 3
// Condition of fix unexpected coding violation in case actual compress ratio of coding is less than 2:1 (compress_ratio=i420_base_picture_size/actual_size_of_coded_bs).
// Coding picture resolution as SubQcif or above size compress ration using 2:1 by default, such normal case regards as ratio can meet 2:1 requirement.
// Per specific cases, i.e, 16x16 picture size, the compress ration usually less than 2:1, so which results in unexpected violation due not large enough of frame bs pBuffer size.
// Here SubQcif just like thredshold to distinguish between normal cases and abnormal cases by resolution size from products usage.
#define COMPRESS_RATION_NORMAL_THR (0.5f) // 0.5f, 0.375f, 0.25f
#define COMPRESS_RATION_ABNORMAL_THR (1.0f) // ensure (1.0f >= COMPRESS_RATION_ABNORMAL_THR > COMPRESS_RATION_NORMAL_THR)
#define RESOLUTION_NORMAL_CX_THR (128)
#define RESOLUTION_NORMAL_CY_THR (96)
#define COMPRESS_RATIO_DECIDED_BY_RESOLUTION(_cx, _cy) \
(((_cx) >= RESOLUTION_NORMAL_CX_THR && (_cy) >= RESOLUTION_NORMAL_CY_THR) ? \
COMPRESS_RATION_NORMAL_THR : \
COMPRESS_RATION_ABNORMAL_THR)
#if !defined(SSEI_BUFFER_SIZE)
#define SSEI_BUFFER_SIZE 128
#endif//SSEI_BUFFER_SIZE
#if !defined(SPS_BUFFER_SIZE)
#define SPS_BUFFER_SIZE 32
#endif//SPS_BUFFER_SIZE
#if !defined(PPS_BUFFER_SIZE)
#define PPS_BUFFER_SIZE 16
#endif//PPS_BUFFER_SIZE
#if defined(NUM_SPATIAL_LAYERS_CONSTRAINT)
#define MAX_DEPENDENCY_LAYER MAX_SPATIAL_LAYER_NUM // Maximal dependency layer
#else
#define MAX_DEPENDENCY_LAYER 8 // Maximal dependency layer
#endif//NUM_SPATIAL_LAYERS_CONSTRAINT
//The max temporal level support is equal or less than MAX_TEMPORAL_LAYER_NUM defined @ codec_app_def.h
#define MAX_TEMPORAL_LEVEL MAX_TEMPORAL_LAYER_NUM // Maximal temporal level
#if defined(NUM_QUALITY_LAYERS_CONSTRAINT)
#define MAX_QUALITY_LEVEL MAX_QUALITY_LAYER_NUM // Maximal quality level
#else
#define MAX_QUALITY_LEVEL 16 // Maximal quality level
#endif//NUM_QUALITY_LAYERS_CONSTRAINT
#if defined(MAX_GOP_SIZE)
#undef MAX_GOP_SIZE
#endif//MAX_GOP_SIZE
#define MAX_GOP_SIZE (1<<(MAX_TEMPORAL_LEVEL-1))
#define MAX_SHORT_REF_COUNT (MAX_GOP_SIZE>>1) // 16 in standard, maximal count number of short reference pictures
#define LONG_TERM_REF_NUM 2
#define MAX_LONG_REF_COUNT 2 // 16 in standard, maximal count number of long reference pictures
#define MAX_REF_PIC_COUNT 16 // 32 in standard, maximal Short + Long reference pictures
#define MIN_REF_PIC_COUNT 1 // minimal count number of reference pictures, 1 short + 2 key reference based?
//#define TOTAL_REF_MINUS_HALF_GOP 1 // last t0 in last gop
#define MAX_MMCO_COUNT 66
// adjusted numbers reference picture functionality related definition
#define MAX_REFERENCE_MMCO_COUNT_NUM 4 // adjusted MAX_MMCO_COUNT(66 in standard) definition per encoder design
#define MAX_REFERENCE_REORDER_COUNT_NUM 2 // adjusted MAX_REF_PIC_COUNT(32 in standard) for reference reordering definition per encoder design
#define MAX_REFERENCE_PICTURE_COUNT_NUM (MAX_SHORT_REF_COUNT+MAX_LONG_REF_COUNT) // <= MAX_REF_PIC_COUNT, memory saved if <
#define BASE_QUALITY_ID 0
#define BASE_DEPENDENCY_ID 0
#define BASE_DQ_ID 0
#define MAX_DQ_ID ((uint8_t)-1)
#define MAX_DQ_LAYER_NUM (MAX_DEPENDENCY_LAYER/**MAX_QUALITY_LEVEL*/)
#define UNAVAILABLE_DQ_ID ((uint8_t)(-1))
#define LAYER_NUM_EXCHANGEABLE 2
#define MAX_NAL_UNIT_NUM_IN_AU 256 // predefined maximal number of NAL Units in an access unit
#define MAX_ACCESS_UINT_CAPACITY (1<<20) // Maximal AU capacity in bytes: 1024 KB predefined
#define MAX_ACCESS_UNIT_CACHE_NUM 2 // Maximal Access Unit(AU) cache number to be processed, denote current AU and the next coming AU.
enum {
CUR_AU_IDX = 0, // index symbol for current access unit
SUC_AU_IDX = 1 // index symbol for successive access unit
};
enum {
BASE_MB = 0,
AVC_REWRITE_ENHANCE_MB = 1,
NON_AVC_REWRITE_ENHANCE_MB = 2
};
#endif//WELS_CONSTANCE_H__