ni_rsrc_priv.h

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 * Copyright (C) 2022 NETINT Technologies
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/*!*****************************************************************************
 *  \file   ni_rsrc_priv.h
 *
 *  \brief  Private definitions used by ni_rsrc_api.cpp for management of
 *          NETINT video processing devices
 ******************************************************************************/
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "ni_device_api.h"
 
// The macro definition in libxcoder_FFmpeg3.1.1only/source/ni_rsrc_priv.h need to be synchronized with libxcoder
// If you change this,you should also change LOCK_DIR in libxcoder_FFmpeg3.1.1only/source/ni_rsrc_priv.h
#ifdef __APPLE__
#define LOCK_DIR        "/tmp"
#else
#define LOCK_DIR        "/dev/shm"
#endif
 
#define CODERS_LCK_NAME LOCK_DIR "/NI_LCK_CODERS"
#define CODERS_SHM_NAME "NI_SHM_CODERS"
 
#ifdef __OPENHARMONY__
#define PROJ_ID         818565  //the ascii value for "QUA": 81 85 65
#endif
 
NI_UNUSED static const char *XCODERS_RETRY_LCK_NAME[] = {
    LOCK_DIR "/NI_RETRY_LCK_DECODERS", LOCK_DIR "/NI_RETRY_LCK_ENCODERS",
    LOCK_DIR "/NI_RETRY_LCK_SCALERS", LOCK_DIR "/NI_RETRY_LCK_AI"};
 
// The macro definition in libxcoder_FFmpeg3.1.1only/source/ni_rsrc_priv.h need to be synchronized with libxcoder
// If you change this,you should also change MAX_LOCK_RETRY LOCK_WAIT in libxcoder_FFmpeg3.1.1only/source/ni_rsrc_priv.h
#define MAX_LOCK_RETRY  6000
#define LOCK_WAIT       10000  // wait in us
 
extern LIB_API uint32_t g_xcoder_stop_process;
 
// The macro definition in libxcoder_FFmpeg3.1.1only/source/ni_rsrc_priv.h need to be synchronized with libxcoder
// If you change these functions,you should also change these functions in libxcoder_FFmpeg3.1.1only/source/ni_rsrc_priv.h
void ni_rsrc_get_lock_name(ni_device_type_t device_type, int32_t guid, char* p_name, size_t max_name_len);
void ni_rsrc_get_shm_name(ni_device_type_t device_type, int32_t guid, char* p_name, size_t max_name_len);
void ni_rsrc_update_record(ni_device_context_t *p_device_context, ni_session_context_t *p_session_ctx);
void ni_rsrc_get_one_device_info(ni_device_info_t *p_device_info);
ni_retcode_t ni_rsrc_fill_device_info(ni_device_info_t* p_device_info, ni_codec_t fmt, ni_device_type_t type, ni_hw_capability_t* p_hw_cap);
#ifdef _WIN32
int ni_rsrc_init_priv(const int should_match_rev,
                      const int existing_number_of_devices,
                      const char device_names[NI_MAX_DEVICE_CNT][NI_MAX_DEVICE_NAME_LEN]);
#else
int ni_rsrc_init_priv(const int should_match_rev,
                      const int existing_number_of_devices,
                      const char device_names[NI_MAX_DEVICE_CNT][NI_MAX_DEVICE_NAME_LEN],
                      int limit_depth);
#endif
int ni_rsrc_enumerate_devices(char ni_devices[][NI_MAX_DEVICE_NAME_LEN],
                              int max_handles);
bool add_to_shared_memory(const char device_name[NI_MAX_DEVICE_NAME_LEN],
                          const bool device_open_should_succeed,
                          const int should_match_rev,
                          ni_device_queue_t *device_queue);
 
int ni_rsrc_strcmp(const void* p_str, const void* p_str1);
 
void get_dev_pcie_addr(char *device_name,
                       char *pcie,
                       char *domain, char *slot, char *dev, char *func);
 
ni_retcode_t ni_rsrc_create_retry_lck();
 
#if __linux__ || __APPLE__
typedef enum _ni_rsrc_shm_state
{
  NI_RSRC_SHM_IS_INVALID = -1,
  NI_RSRC_SHM_IS_CREATED = 0,
  NI_RSRC_SHM_IS_EXISTED = 1,
} ni_rsrc_shm_state;
 
//a set of API for shared memory
ni_retcode_t ni_rsrc_try_get_shm_lock(const char *lck_name,
                                      int flags,
                                      const mode_t mode,
                                      int *lck_fd);
 
ni_retcode_t ni_rsrc_open_shm(const char *shm_name,
                              int shm_size,
                              ni_rsrc_shm_state *state,
                              int *shm_fd);
 
ni_retcode_t ni_rsrc_mmap_shm(const char *shm_name,
                              int shm_fd,
                              int shm_size,
                              void **shm_addr);
 
ni_retcode_t ni_rsrc_munmap_shm(void *shm_addr,
                                int shm_size);
 
ni_retcode_t ni_rsrc_remove_shm(const char *shm_name,
                                int shm_size);
 
ni_retcode_t ni_rsrc_remove_all_shm();
#endif
 
#ifdef __cplusplus
}
#endif