upipe-framers/uref_mpgv.h header reference

Upipe mpgv attributes for uref More

Header inclusion  

Members  

Functions  

Description  

Upipe mpgv attributes for uref

Members detail  

#define _UPIPE_FRAMERS_UREF_MPGV_H_  

This macro is declared in upipe-framers/uref_mpgv.h source file, line 31.

int uref_mpgv_cmp_type(struct uref *uref1, struct uref *uref2)  

This function is declared in upipe-framers/uref_mpgv.h source file, line 40.

This function compares the picture coding type attribute in two urefs.

Parameter list:

  • uref1: pointer to the first uref
  • uref2: pointer to the second uref

The return value is 0 if both attributes are absent or identical

int uref_mpgv_copy_type(struct uref *uref, struct uref *uref_src)  

This function is declared in upipe-framers/uref_mpgv.h source file, line 40.

This function copies the picture coding type attribute from an uref to another.

Parameter list:

  • uref: pointer to the uref
  • uref_src: pointer to the source uref

The return value is an error code

int uref_mpgv_delete_type(struct uref *uref)  

This function is declared in upipe-framers/uref_mpgv.h source file, line 40.

This function deletes the picture coding type attribute of a uref.

Parameter list:

  • uref: pointer to the uref

The return value is an error code

int uref_mpgv_get_type(struct uref *uref, uint8_t *p)  

This function is declared in upipe-framers/uref_mpgv.h source file, line 40.

This function returns the picture coding type attribute of a uref.

Parameter list:

  • uref: pointer to the uref
  • p: pointer to the retrieved value (modified during execution)

The return value is an error code

int uref_mpgv_match_type(struct uref *uref, uint8_t min, uint8_t max)  

This function is declared in upipe-framers/uref_mpgv.h source file, line 40.

This function compares the picture coding type attribute to given values.

Parameter list:

  • uref: pointer to the uref
  • min: minimum value
  • max: maximum value

The return value is an error code

int uref_mpgv_set_type(struct uref *uref, uint8_t v)  

This function is declared in upipe-framers/uref_mpgv.h source file, line 40.

This function sets the picture coding type attribute of a uref.

Parameter list:

  • uref: pointer to the uref
  • v: value to set

The return value is an error code

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