upipe-framers/uref_mpga_flow.h header reference

Upipe mpga flow definition attributes for uref More

Header inclusion [link] 

Members [link] 

Types [link] 

Functions [link] 

Description [link] 

Upipe mpga flow definition attributes for uref

Members detail [link] 

#define _UPIPE_FRAMERS_UREF_MPGA_FLOW_H_ [link] 

This macro is declared in upipe-framers/uref_mpga_flow.h source file, line 32.

enum uref_mpga_encaps [link] 

This enum is declared in upipe-framers/uref_mpga_flow.h source file, line 43.

This enum defines encapsulation types for AAC.

IdentifierValueDescription
UREF_MPGA_ENCAPS_RAW0No encapsulation
UREF_MPGA_ENCAPS_ADTS1ADTS encapsulation
UREF_MPGA_ENCAPS_LOAS2
UREF_MPGA_ENCAPS_LATM3

enum uref_mpga_encaps uref_mpga_encaps_from_string(const char *encaps) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 94.

This function encodes an encapsulation from a string.

Parameter list:

  • encaps: string describing the encapsulation

The return value is codec encapsulation

int uref_mpga_flow_cmp_aot(struct uref *uref1, struct uref *uref2) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 68.

This function compares the AAC audio object 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_mpga_flow_cmp_encaps(struct uref *uref1, struct uref *uref2) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 66.

This function compares the AAC encapsulation 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_mpga_flow_cmp_mode(struct uref *uref1, struct uref *uref2) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 69.

This function compares the MPEG audio mode 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_mpga_flow_cmp_signaling(struct uref *uref1, struct uref *uref2) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 67.

This function compares the AAC signaling mode 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_mpga_flow_copy_aot(struct uref *uref, struct uref *uref_src) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 68.

This function copies the AAC audio object 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_mpga_flow_copy_encaps(struct uref *uref, struct uref *uref_src) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 66.

This function copies the AAC encapsulation 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_mpga_flow_copy_mode(struct uref *uref, struct uref *uref_src) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 69.

This function copies the MPEG audio mode 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_mpga_flow_copy_signaling(struct uref *uref, struct uref *uref_src) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 67.

This function copies the AAC signaling mode 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_mpga_flow_delete_aot(struct uref *uref) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 68.

This function deletes the AAC audio object type attribute of a uref.

Parameter list:

  • uref: pointer to the uref

The return value is an error code

int uref_mpga_flow_delete_encaps(struct uref *uref) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 66.

This function deletes the AAC encapsulation type attribute of a uref.

Parameter list:

  • uref: pointer to the uref

The return value is an error code

int uref_mpga_flow_delete_mode(struct uref *uref) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 69.

This function deletes the MPEG audio mode attribute of a uref.

Parameter list:

  • uref: pointer to the uref

The return value is an error code

int uref_mpga_flow_delete_signaling(struct uref *uref) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 67.

This function deletes the AAC signaling mode attribute of a uref.

Parameter list:

  • uref: pointer to the uref

The return value is an error code

int uref_mpga_flow_get_aot(struct uref *uref, uint8_t *p) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 68.

This function returns the AAC audio object 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_mpga_flow_get_encaps(struct uref *uref, uint8_t *p) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 66.

This function returns the AAC encapsulation 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_mpga_flow_get_mode(struct uref *uref, uint8_t *p) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 69.

This function returns the MPEG audio mode 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_mpga_flow_get_signaling(struct uref *uref, uint8_t *p) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 67.

This function returns the AAC signaling mode 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

enum uref_mpga_encaps uref_mpga_flow_infer_encaps(struct uref *flow_def) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 78.

This function infers the encapsulation type from a flow definition packet.

Parameter list:

  • flow_def: flow definition packet

The return value is encapsulation type

int uref_mpga_flow_match_aot(struct uref *uref, uint8_t min, uint8_t max) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 68.

This function compares the AAC audio object 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_mpga_flow_match_encaps(struct uref *uref, uint8_t min, uint8_t max) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 66.

This function compares the AAC encapsulation 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_mpga_flow_match_mode(struct uref *uref, uint8_t min, uint8_t max) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 69.

This function compares the MPEG audio mode 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_mpga_flow_match_signaling(struct uref *uref, uint8_t min, uint8_t max) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 67.

This function compares the AAC signaling mode 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_mpga_flow_set_aot(struct uref *uref, uint8_t v) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 68.

This function sets the AAC audio object type attribute of a uref.

Parameter list:

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

The return value is an error code

int uref_mpga_flow_set_encaps(struct uref *uref, uint8_t v) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 66.

This function sets the AAC encapsulation type attribute of a uref.

Parameter list:

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

The return value is an error code

int uref_mpga_flow_set_mode(struct uref *uref, uint8_t v) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 69.

This function sets the MPEG audio mode attribute of a uref.

Parameter list:

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

The return value is an error code

int uref_mpga_flow_set_signaling(struct uref *uref, uint8_t v) [link] 

This function is declared in upipe-framers/uref_mpga_flow.h source file, line 67.

This function sets the AAC signaling mode attribute of a uref.

Parameter list:

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

The return value is an error code

enum uref_mpga_signaling [link] 

This enum is declared in upipe-framers/uref_mpga_flow.h source file, line 55.

This enum defines signaling modes of the extension AOT for AAC.

IdentifierValueDescription
UREF_MPGA_SIGNALING_AUTO0Implicit by default, explicit hierarchical if global header is enabled
UREF_MPGA_SIGNALING_IMPLICIT1Implicit backward compatible signaling
UREF_MPGA_SIGNALING_EXPLICIT_COMPATIBLE2Explicit backward compatible signaling
UREF_MPGA_SIGNALING_EXPLICIT_HIERARCHICAL3Explicit hierarchical signaling
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