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codec_def.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.
 *
 */

#ifndef WELS_VIDEO_CODEC_DEFINITION_H__
#define WELS_VIDEO_CODEC_DEFINITION_H__

/**
  * @file  codec_def.h
*/

/**
* @brief Enumerate the type of video format
*/
typedef enum {
  videoFormatRGB        = 1,             ///< rgb color formats
  videoFormatRGBA       = 2,
  videoFormatRGB555     = 3,
  videoFormatRGB565     = 4,
  videoFormatBGR        = 5,
  videoFormatBGRA       = 6,
  videoFormatABGR       = 7,
  videoFormatARGB       = 8,

videoFormatYUY2       = 20,            ///< yuv color formats
  videoFormatYVYU       = 21,
  videoFormatUYVY       = 22,
  videoFormatI420       = 23,            ///< the same as IYUV
  videoFormatYV12       = 24,
  videoFormatInternal   = 25,            ///< only used in SVC decoder testbed

videoFormatNV12       = 26,            ///< new format for output by DXVA decoding

videoFormatVFlip      = 0x80000000
} EVideoFormatType;

/**
* @brief Enumerate  video frame type
*/
typedef enum {
  videoFrameTypeInvalid,    ///< encoder not ready or parameters are invalidate
  videoFrameTypeIDR,        ///< IDR frame in H.264
  videoFrameTypeI,          ///< I frame type
  videoFrameTypeP,          ///< P frame type
  videoFrameTypeSkip,       ///< skip the frame based encoder kernel
  videoFrameTypeIPMixed     ///< a frame where I and P slices are mixing, not supported yet
} EVideoFrameType;

/**
* @brief Enumerate  return type
*/
typedef enum {
  cmResultSuccess,          ///< successful
  cmInitParaError,          ///< parameters are invalid
  cmUnknownReason,
  cmMallocMemeError,        ///< malloc a memory error
  cmInitExpected,           ///< initial action is expected
  cmUnsupportedData
} CM_RETURN;

/**
* @brief Enumulate the nal unit type
*/
enum ENalUnitType {
  NAL_UNKNOWN     = 0,
  NAL_SLICE       = 1,
  NAL_SLICE_DPA   = 2,
  NAL_SLICE_DPB   = 3,
  NAL_SLICE_DPC   = 4,
  NAL_SLICE_IDR   = 5,      ///< ref_idc != 0
  NAL_SEI         = 6,      ///< ref_idc == 0
  NAL_SPS         = 7,
  NAL_PPS         = 8
                    ///< ref_idc == 0 for 6,9,10,11,12
};

/**
* @brief NRI: eNalRefIdc
*/
enum ENalPriority {
  NAL_PRIORITY_DISPOSABLE = 0,
  NAL_PRIORITY_LOW        = 1,
  NAL_PRIORITY_HIGH       = 2,
  NAL_PRIORITY_HIGHEST    = 3
};

#define IS_PARAMETER_SET_NAL(eNalRefIdc, eNalType) \
( (eNalRefIdc == NAL_PRIORITY_HIGHEST) && (eNalType == (NAL_SPS|NAL_PPS) || eNalType == NAL_SPS) )

#define IS_IDR_NAL(eNalRefIdc, eNalType) \
( (eNalRefIdc == NAL_PRIORITY_HIGHEST) && (eNalType == NAL_SLICE_IDR) )

#define FRAME_NUM_PARAM_SET     (-1)
#define FRAME_NUM_IDR           0

/**
 * @brief eDeblockingIdc
 */
enum {
  DEBLOCKING_IDC_0 = 0,
  DEBLOCKING_IDC_1 = 1,
  DEBLOCKING_IDC_2 = 2
};
#define DEBLOCKING_OFFSET (6)
#define DEBLOCKING_OFFSET_MINUS (-6)

/* Error Tools definition */
typedef unsigned short ERR_TOOL;

/**
 @brief to do
*/
enum {
  ET_NONE = 0x00,           ///< NONE Error Tools
  ET_IP_SCALE = 0x01,       ///< IP Scalable
  ET_FMO = 0x02,            ///< Flexible Macroblock Ordering
  ET_IR_R1 = 0x04,          ///< Intra Refresh in predifined 2% MB
  ET_IR_R2 = 0x08,          ///< Intra Refresh in predifined 5% MB
  ET_IR_R3 = 0x10,          ///< Intra Refresh in predifined 10% MB
  ET_FEC_HALF = 0x20,       ///< Forward Error Correction in 50% redundency mode
  ET_FEC_FULL = 0x40,       ///< Forward Error Correction in 100% redundency mode
  ET_RFS = 0x80             ///< Reference Frame Selection
};

/**
* @brief Information of coded Slice(=NAL)(s)
*/
typedef struct SliceInformation {
  unsigned char* pBufferOfSlices;    ///< base buffer of coded slice(s)
  int            iCodedSliceCount;   ///< number of coded slices
  unsigned int*  pLengthOfSlices;    ///< array of slices length accordingly by number of slice
  int            iFecType;           ///< FEC type[0, 50%FEC, 100%FEC]
  unsigned char  uiSliceIdx;         ///< index of slice in frame [FMO: 0,..,uiSliceCount-1; No FMO: 0]
  unsigned char  uiSliceCount;       ///< count number of slice in frame [FMO: 2-8; No FMO: 1]
  char           iFrameIndex;        ///< index of frame[-1, .., idr_interval-1]
  unsigned char  uiNalRefIdc;        ///< NRI, priority level of slice(NAL)
  unsigned char  uiNalType;          ///< NAL type
  unsigned char
  uiContainingFinalNal;              ///< whether final NAL is involved in buffer of coded slices, flag used in Pause feature in T27
} SliceInfo, *PSliceInfo;

/**
* @brief thresholds of the initial, maximal and minimal rate
*/
typedef struct {
  int   iWidth;                   ///< frame width
  int   iHeight;                  ///< frame height
  int   iThresholdOfInitRate;     ///< threshold of initial rate
  int   iThresholdOfMaxRate;      ///< threshold of maximal rate
  int   iThresholdOfMinRate;      ///< threshold of minimal rate
  int   iMinThresholdFrameRate;   ///< min frame rate min
  int   iSkipFrameRate;           ///< skip to frame rate min
  int   iSkipFrameStep;           ///< how many frames to skip
} SRateThresholds, *PRateThresholds;

/**
* @brief  Structure for decoder memery
*/
typedef struct TagSysMemBuffer {
  int iWidth;                    ///< width of decoded pic for display
  int iHeight;                   ///< height of decoded pic for display
  int iFormat;                   ///< type is "EVideoFormatType"
  int iStride[2];                ///< stride of 2 component
} SSysMEMBuffer;

/**
* @brief  Buffer info
*/
typedef struct TagBufferInfo {
  int iBufferStatus;             ///< 0: one frame data is not ready; 1: one frame data is ready
  unsigned long long uiInBsTimeStamp;     ///< input BS timestamp
  unsigned long long uiOutYuvTimeStamp;     ///< output YUV timestamp, when bufferstatus is 1
  union {
    SSysMEMBuffer sSystemBuffer; ///<  memory info for one picture
  } UsrData;                     ///<  output buffer info
  unsigned char* pDst[3];  //point to picture YUV data
} SBufferInfo;

/**
* @brief In a GOP, multiple of the key frame number, derived from
*        the number of layers(index or array below)
*/
static const char kiKeyNumMultiple[] = {
  1, 1, 2, 4, 8, 16,
};

#endif//WELS_VIDEO_CODEC_DEFINITION_H__

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Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	0/0	0755	2025-04-07 09:53:36
..	dir	-	0/0	0755	2025-04-22 12:14:53
codec_api.h	text/x-c	20.68 KB	0/0	0644	2025-02-22 02:20:07
codec_app_def.h	text/x-c	32.08 KB	0/0	0644	2025-02-22 02:20:07
codec_def.h	text/x-c	7.45 KB	0/0	0644	2025-02-22 02:20:07
codec_ver.h	text/x-c	420 B	0/0	0644	2025-02-22 02:20:07