1 #ifndef VIDDEC_PM_H 2 #define VIDDEC_PM_H 3 4 #include <stdint.h> 5 #include "viddec_emitter.h" 6 #include "viddec_pm_utils_list.h" 7 #include "viddec_pm_utils_bstream.h" 8 #include "viddec_pm_parse.h" 9 #include "viddec_parser_ops.h" 10 11 #define SC_DETECT_BUF_SIZE 1024 12 #define MAX_CODEC_CXT_SIZE 4096 13 14 typedef enum 15 { 16 PM_SUCCESS = 0, 17 /* Messages to indicate more ES data */ 18 PM_NO_DATA = 0x100, 19 /* Messages to indicate SC found */ 20 PM_SC_FOUND = 0x200, 21 PM_FIRST_SC_FOUND = 0x201, 22 /* Messages to indicate Frame done */ 23 PM_WKLD_DONE = 0x300, 24 /* Messages to indicate Error conditions */ 25 PM_OVERFLOW = 0x400, 26 /* Messages to indicate inband conditions */ 27 PM_INBAND_MESSAGES = 0x500, 28 PM_EOS = 0x501, 29 PM_DISCONTINUITY = 0x502, 30 }pm_parse_state_t; 31 32 /* This is a temporary structure for first pass sc parsing. index tells us where we are in list of es buffers 33 cur_es points to current es buffer we are parsing. */ 34 typedef struct 35 { 36 int32_t list_index; /* current index of list */ 37 uint32_t cur_offset; 38 uint32_t cur_size; 39 viddec_input_buffer_t *cur_es; 40 }viddec_pm_sc_cur_buf_t; 41 42 typedef struct 43 { 44 uint32_t pending_tags[MAX_IBUFS_PER_SC]; 45 uint8_t dummy; 46 uint8_t frame_done; 47 uint8_t first_buf_aligned; 48 uint8_t using_next; 49 }vidded_pm_pending_tags_t; 50 51 /* This structure holds all necessary data required by parser manager for stream parsing. 52 */ 53 typedef struct 54 { 55 /* Actual buffer where data gets DMA'd. 8 padding bytes for alignment */ 56 uint8_t scbuf[SC_DETECT_BUF_SIZE + 8]; 57 viddec_sc_parse_cubby_cxt_t parse_cubby; 58 viddec_pm_utils_list_t list; 59 /* Place to store tags to be added to next to next workload */ 60 viddec_pm_sc_cur_buf_t cur_buf; 61 viddec_emitter emitter; 62 viddec_pm_utils_bstream_cxt_t getbits; 63 viddec_sc_prefix_state_t sc_prefix_info; 64 vidded_pm_pending_tags_t pending_tags; 65 uint8_t word_align_dummy; 66 uint8_t late_frame_detect; 67 uint8_t frame_start_found; 68 uint8_t found_fm_st_in_current_au; 69 uint32_t next_workload_error_eos; 70 uint32_t pending_inband_tags; 71 #ifdef VBP 72 uint32_t codec_data[MAX_CODEC_CXT_SIZE<<3]; 73 #else 74 uint32_t codec_data[MAX_CODEC_CXT_SIZE>>2]; 75 #endif 76 }viddec_pm_cxt_t; 77 78 /* 79 * 80 * Functions used by Parser kernel 81 * 82 */ 83 84 /* This is for initialising parser manager context to default values */ 85 void viddec_pm_init_context(viddec_pm_cxt_t *cxt, uint32_t codec_type, uint32_t *persist_mem, uint32_t clean); 86 87 /* This is the main parse function which returns state information that parser kernel can understand.*/ 88 uint32_t viddec_pm_parse_es_buffer(viddec_pm_cxt_t *cxt, uint32_t codec_type, viddec_input_buffer_t *es_buf); 89 90 void viddec_pm_init_ops(); 91 92 void viddec_pm_update_time(viddec_pm_cxt_t *cxt, uint32_t time); 93 94 uint32_t viddec_pm_get_parser_sizes(uint32_t codec_type, viddec_parser_memory_sizes_t *size); 95 #endif 96
