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sei.h
资源名称：chapter15.rar　[点击查看]
上传用户：hjq518
上传日期：2021-12-09
资源大小：5084k
文件大小：10k
源码类别：

Audio

开发平台：

Visual C++

sei.h：源码内容
  2. /*!
  3.  ************************************************************************
  4.  *  file
  5.  *     sei.h
  6.  *  brief
  7.  *     definitions for Supplemental Enhanced Information
  8.  *  author(s)
  9.  *      - Dong Tian                             <tian@cs.tut.fi>
  10.  *      - TBD
  11.  *
  12.  * ************************************************************************
  13.  */
  15. #ifndef SEI_H
  16. #define SEI_H
  18. #define MAX_LAYER_NUMBER 2
  19. #define MAX_DEPENDENT_SUBSEQ 5
  22. //! definition of SEI payload type
  23. typedef enum {
  24.   SEI_BUFFERING_PERIOD = 0,
  25.   SEI_PIC_TIMING,
  26.   SEI_PAN_SCAN_RECT,
  27.   SEI_FILLER_PAYLOAD,
  28.   SEI_USER_DATA_REGISTERED_ITU_T_T35,
  29.   SEI_USER_DATA_UNREGISTERED,
  30.   SEI_RECOVERY_POINT,
  31.   SEI_DEC_REF_PIC_MARKING_REPETITION,
  32.   SEI_SPARE_PIC,
  33.   SEI_SCENE_INFO,
  34.   SEI_SUB_SEQ_INFO,
  35.   SEI_SUB_SEQ_LAYER_CHARACTERISTICS,
  36.   SEI_SUB_SEQ_CHARACTERISTICS,
  37.   SEI_FULL_FRAME_FREEZE,
  38.   SEI_FULL_FRAME_FREEZE_RELEASE,
  39.   SEI_FULL_FRAME_SNAPSHOT,
  40.   SEI_PROGRESSIVE_REFINEMENT_SEGMENT_START,
  41.   SEI_PROGRESSIVE_REFINEMENT_SEGMENT_END,
  42.   SEI_MOTION_CONSTRAINED_SLICE_GROUP_SET,
  43.   SEI_FILM_GRAIN_CHARACTERISTICS,
  44.   SEI_DEBLOCKING_FILTER_DISPLAY_PREFERENCE,
  45.   SEI_STEREO_VIDEO_INFO,
  46.   SEI_POST_FILTER_HINTS,
  47.   SEI_TONE_MAPPING,
  49.   SEI_MAX_ELEMENTS  //!< number of maximum syntax elements
  50. } SEI_type;
  52. #define MAX_FN 256
  54. #define AGGREGATION_PACKET_TYPE 4
  55. #define SEI_PACKET_TYPE 5  // Tian Dong: See VCEG-N72, it need updates
  57. #define NORMAL_SEI 0
  58. #define AGGREGATION_SEI 1
  60. //! SEI structure
  61. typedef struct
  62. {
  63.   Boolean available;
  64.   int payloadSize;
  65.   unsigned char subPacketType;
  66.   byte* data;
  67. } sei_struct;
  69. //!< sei_message[0]: this struct is to store the sei message packtized independently
  70. //!< sei_message[1]: this struct is to store the sei message packtized together with slice data
  71. extern sei_struct sei_message[2];
  73. void InitSEIMessages(void);
  74. void CloseSEIMessages(void);
  75. Boolean HaveAggregationSEI(void);
  76. void write_sei_message(int id, byte* payload, int payload_size, int payload_type);
  77. void finalize_sei_message(int id);
  78. void clear_sei_message(int id);
  79. void AppendTmpbits2Buf( Bitstream* dest, Bitstream* source );
  81. void PrepareAggregationSEIMessage(void);
  84. //! Spare Picture
  85. typedef struct
  86. {
  87.   int target_frame_num;
  88.   int num_spare_pics;
  89.   int payloadSize;
  90.   Bitstream* data;
  91. } spare_picture_struct;
  93. extern Boolean seiHasSparePicture;
  94. //extern Boolean sei_has_sp;
  95. extern spare_picture_struct seiSparePicturePayload;
  97. void InitSparePicture();
  98. void CloseSparePicture();
  99. void CalculateSparePicture();
  100. void ComposeSparePictureMessage(int delta_spare_frame_num, int ref_area_indicator, Bitstream *tmpBitstream);
  101. Boolean CompressSpareMBMap(unsigned char **map_sp, Bitstream *bitstream);
  102. void FinalizeSpareMBMap();
  104. //! Subseq Information
  105. typedef struct
  106. {
  107.   int subseq_layer_num;
  108.   int subseq_id;
  109.   unsigned int last_picture_flag;
  110.   unsigned int stored_frame_cnt;
  112.   int payloadSize;
  113.   Bitstream* data;
  114. } subseq_information_struct;
  116. extern Boolean seiHasSubseqInfo;
  117. extern subseq_information_struct seiSubseqInfo[MAX_LAYER_NUMBER];
  119. void InitSubseqInfo(int currLayer);
  120. void UpdateSubseqInfo(int currLayer);
  121. void FinalizeSubseqInfo(int currLayer);
  122. void ClearSubseqInfoPayload(int currLayer);
  123. void CloseSubseqInfo(int currLayer);
  125. //! Subseq Layer Information
  126. typedef struct
  127. {
  128.   unsigned short bit_rate[MAX_LAYER_NUMBER];
  129.   unsigned short frame_rate[MAX_LAYER_NUMBER];
  130.   byte data[4*MAX_LAYER_NUMBER];
  131.   int layer_number;
  132.   int payloadSize;
  133. } subseq_layer_information_struct;
  135. extern Boolean seiHasSubseqLayerInfo;
  136. extern subseq_layer_information_struct seiSubseqLayerInfo;
  138. void InitSubseqLayerInfo();
  139. void CloseSubseqLayerInfo();
  140. void FinalizeSubseqLayerInfo();
  142. //! Subseq Characteristics
  143. typedef struct
  144. {
  145.   int subseq_layer_num;
  146.   int subseq_id;
  147.   int duration_flag;
  148.   unsigned int subseq_duration;
  149.   unsigned int average_rate_flag;
  150.   unsigned int average_bit_rate;
  151.   unsigned int average_frame_rate;
  152.   int num_referenced_subseqs;
  153.   int ref_subseq_layer_num[MAX_DEPENDENT_SUBSEQ];
  154.   int ref_subseq_id[MAX_DEPENDENT_SUBSEQ];
  156.   Bitstream* data;
  157.   int payloadSize;
  158. } subseq_char_information_struct;
  160. extern Boolean seiHasSubseqChar;
  161. extern subseq_char_information_struct seiSubseqChar;
  163. void InitSubseqChar();
  164. void ClearSubseqCharPayload();
  165. void UpdateSubseqChar();
  166. void FinalizeSubseqChar();
  167. void CloseSubseqChar();
  170. typedef struct
  171. {
  172.   int scene_id;
  173.   int scene_transition_type;
  174.   int second_scene_id;
  176.   Bitstream* data;
  177.   int payloadSize;
  178. } scene_information_struct;
  180. extern Boolean seiHasSceneInformation;
  181. extern scene_information_struct seiSceneInformation;
  183. void InitSceneInformation();
  184. void CloseSceneInformation();
  185. void UpdateSceneInformation(Boolean HasSceneInformation, int sceneID, int sceneTransType, int secondSceneID);
  186. void FinalizeSceneInformation();
  188. //! PanScanRect Information
  189. typedef struct
  190. {
  191.   int pan_scan_rect_id;
  192.   int pan_scan_rect_left_offset;
  193.   int pan_scan_rect_right_offset;
  194.   int pan_scan_rect_top_offset;
  195.   int pan_scan_rect_bottom_offset;
  197.   Bitstream *data;
  198.   int payloadSize;
  199. } panscanrect_information_struct;
  201. extern Boolean seiHasPanScanRectInfo;
  202. extern panscanrect_information_struct seiPanScanRectInfo;
  204. void InitPanScanRectInfo();
  205. void ClearPanScanRectInfoPayload();
  206. void UpdatePanScanRectInfo();
  207. void FinalizePanScanRectInfo();
  208. void ClosePanScanRectInfo();
  210. //! User_data_unregistered Information
  211. typedef struct
  212. {
  213.   char *byte;
  214.   int total_byte;
  215.   Bitstream *data;
  216.   int payloadSize;
  217. } user_data_unregistered_information_struct;
  219. extern Boolean seiHasUser_data_unregistered_info;
  220. extern user_data_unregistered_information_struct seiUser_data_unregistered;
  222. void InitUser_data_unregistered();
  223. void ClearUser_data_unregistered();
  224. void UpdateUser_data_unregistered();
  225. void FinalizeUser_data_unregistered();
  226. void CloseUser_data_unregistered();
  228. //! User_data_registered_itu_t_t35 Information
  229. typedef struct
  230. {
  231.   char *byte;
  232.   int total_byte;
  233.   int itu_t_t35_country_code;
  234.   int itu_t_t35_country_code_extension_byte;
  235.   Bitstream *data;
  236.   int payloadSize;
  237. } user_data_registered_itu_t_t35_information_struct;
  239. extern Boolean seiHasUser_data_registered_itu_t_t35_info;
  240. extern user_data_registered_itu_t_t35_information_struct seiUser_data_registered_itu_t_t35;
  242. void InitUser_data_registered_itu_t_t35();
  243. void ClearUser_data_registered_itu_t_t35();
  244. void UpdateUser_data_registered_itu_t_t35();
  245. void FinalizeUser_data_registered_itu_t_t35();
  246. void CloseUser_data_registered_itu_t_t35();
  248. //! Recovery Point Information
  249. typedef struct
  250. {
  251.   unsigned int  recovery_frame_cnt;
  252.   unsigned char exact_match_flag;
  253.   unsigned char broken_link_flag;
  254.   unsigned char changing_slice_group_idc;
  256.   Bitstream *data;
  257.   int payloadSize;
  258. } recovery_point_information_struct;
  260. extern Boolean seiHasRecoveryPoint_info;
  261. extern recovery_point_information_struct seiRecoveryPoint;
  263. void InitRandomAccess();
  264. void ClearRandomAccess();
  265. void UpdateRandomAccess();
  266. void FinalizeRandomAccess();
  267. void CloseRandomAccess();
  269. // tone mapping information
  270. #define MAX_CODED_BIT_DEPTH 12
  271. #define MAX_SEI_BIT_DEPTH 12
  272. #define MAX_NUM_PIVOTS (1<<MAX_CODED_BIT_DEPTH)
  274. typedef struct
  275. {
  276.   unsigned int  tone_map_id;
  277.   unsigned char tone_map_cancel_flag;
  278.   unsigned int  tone_map_repetition_period;
  279.   unsigned char coded_data_bit_depth;
  280.   unsigned char sei_bit_depth;
  281.   unsigned int  model_id;
  282.   // variables for model 0
  283.   int  min_value;
  284.   int  max_value;
  285.   // variables for model 1
  286.   int  sigmoid_midpoint;
  287.   int  sigmoid_width;
  288.   // variables for model 2
  289.   int start_of_coded_interval[1<<MAX_SEI_BIT_DEPTH];
  290.   // variables for model 3
  291.   int num_pivots;
  292.   int coded_pivot_value[MAX_NUM_PIVOTS];
  293.   int sei_pivot_value[MAX_NUM_PIVOTS];
  295.   Bitstream *data;
  296.   int payloadSize;
  297. } tone_mapping_struct;
  299. extern Boolean seiHasTone_mapping;
  300. extern tone_mapping_struct seiToneMapping;
  302. void InitToneMapping();
  303. void FinalizeToneMapping();
  304. void ClearToneMapping();
  305. void UpdateToneMapping();
  306. void CloseToneMapping();
  308. //! Post Filter Hints Information
  309. typedef struct
  310. {
  311.   unsigned int  filter_hint_size_y;
  312.   unsigned int  filter_hint_size_x;
  313.   unsigned int  filter_hint_type;
  314.   int           ***filter_hint;
  315.   unsigned int  additional_extension_flag;
  317.   Bitstream *data;
  318.   int payloadSize;
  319. } post_filter_information_struct;
  321. extern Boolean seiHasPostFilterHints_info;
  322. extern post_filter_information_struct seiPostFilterHints;
  324. void InitPostFilterHints();
  325. void ClearPostFilterHints();
  326. void UpdatePostFilterHints();
  327. void FinalizePostFilterHints();
  328. void ClosePostFilterHints();
  330. int Write_SEI_NALU(int len);
  333. // This is only temp
  334. //! Buffering Period Information
  335. #define MAX_CPB_CNT_MINUS1 31
  336. #define MAX_PIC_STRUCT_VALUE 16
  337. typedef struct
  338. {
  339.   int seq_parameter_set_id;
  340.   int nal_initial_cpb_removal_delay[MAX_CPB_CNT_MINUS1+1];
  341.   int nal_initial_cpb_removal_delay_offset[MAX_CPB_CNT_MINUS1+1];
  342.   int vcl_initial_cpb_removal_delay[MAX_CPB_CNT_MINUS1+1];
  343.   int vcl_initial_cpb_removal_delay_offset[MAX_CPB_CNT_MINUS1+1];
  345.   Bitstream *data;
  346.   int payloadSize;
  347. } bufferingperiod_information_struct;
  348. extern Boolean seiHasBuffering_period;
  349. bufferingperiod_information_struct seiBufferingPeriod;
  351. void InitBufferingPeriod();
  352. void ClearBufferingPeriod();
  353. void CloseBufferingPeriod();
  354. void UpdateBufferingPeriod();
  355. void FinalizeBufferingPeriod();
  357. //! Picture timing Information
  358. typedef struct
  359. {
  360.   int cpb_removal_delay;
  361.   int dpb_output_delay;
  362.   int pic_struct;
  363.   Boolean clock_timestamp_flag[MAX_PIC_STRUCT_VALUE];
  364.   int ct_type;
  365.   Boolean nuit_field_based_flag;
  366.   int counting_type;
  367.   Boolean full_timestamp_flag;
  368.   Boolean discontinuity_flag;
  369.   Boolean cnt_dropped_flag;
  370.   int n_frames;
  371.   int seconds_value;
  372.   int minutes_value;
  373.   int hours_value;
  374.   Boolean seconds_flag;
  375.   Boolean minutes_flag;
  376.   Boolean hours_flag;
  377.   int time_offset;
  379.   Bitstream *data;
  380.   int payloadSize;
  381. } pictiming_information_struct;
  382. extern Boolean seiHasPicTiming_info;
  383. pictiming_information_struct seiPicTiming;
  385. void InitPicTiming();
  386. void ClearPicTiming();
  387. void ClosePicTiming();
  388. void UpdatePicTiming();
  389. void FinalizePicTiming();
  391. // end of temp additions
  392. #endif