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Copyright 2009 Intel Corporation All Rights Reserved.
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#ifndef VBP_UTILS_H
#define VBP_UTILS_H
#include "viddec_parser_ops.h"
#include "viddec_pm_parse.h"
#include "viddec_pm.h"
#include "vbp_trace.h"
/* maximum 256 slices per sample buffer */
#define MAX_NUM_SLICES 256
/* maximum two pictures per sample buffer */
extern uint32 viddec_parse_sc(void *in, void *pcxt, void *sc_state);
/* rolling counter of sample buffer */
extern uint32 buffer_counter;
typedef struct vbp_context_t vbp_context;
typedef uint32 (*function_init_parser_entries)(vbp_context* cxt);
typedef uint32 (*function_allocate_query_data)(vbp_context* cxt);
typedef uint32 (*function_free_query_data)(vbp_context* cxt);
typedef uint32 (*function_parse_init_data)(vbp_context* cxt);
typedef uint32 (*function_parse_start_code)(vbp_context* cxt);
typedef uint32 (*function_process_parsing_result)(vbp_context* cxt, int i);
typedef uint32 (*function_populate_query_data)(vbp_context* cxt);
struct vbp_context_t
/* magic number */
uint32 identifier;
/* parser type, eg, MPEG-2, MPEG-4, H.264, VC1 */
uint32 parser_type;
/* handle to parser (shared object) */
void *fd_parser;
/* parser (shared object) entry points */
viddec_parser_ops_t *parser_ops;
/* parser context */
viddec_pm_cxt_t *parser_cxt;
/* work load */
viddec_workload_t *workload1, *workload2;
/* persistent memory for parser */
uint32 *persist_mem;
/* format specific query data */
void *query_data;
function_init_parser_entries func_init_parser_entries;
function_allocate_query_data func_allocate_query_data;
function_free_query_data func_free_query_data;
function_parse_init_data func_parse_init_data;
function_parse_start_code func_parse_start_code;
function_process_parsing_result func_process_parsing_result;
function_populate_query_data func_populate_query_data;
#ifdef ANDROID
uint32 h264_frame_flag;
* create VBP context
uint32 vbp_utils_create_context(uint32 parser_type, vbp_context **ppcontext);
* destroy VBP context
uint32 vbp_utils_destroy_context(vbp_context *pcontext);
* parse bitstream
uint32 vbp_utils_parse_buffer(vbp_context *pcontext, uint8 *data, uint32 size, uint8 init_data_flag);
* query parsing result
uint32 vbp_utils_query(vbp_context *pcontext, void **data);
* flush un-parsed bitstream
uint32 vbp_utils_flush(vbp_context *pcontext);
#endif /* VBP_UTILS_H */