libdvbpsi 1.3.2
dr_7c.h File Reference

AAC Audio descriptor. More...

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Data Structures

struct  dvbpsi_aac_dr_s
 "AAC Audio" descriptor structure. More...

Typedefs

typedef enum dvbpsi_aac_type_s dvbpsi_aac_type_t
 AAC type information as descripted in table 26, page 41 where column 'stream_content' has value 0x06.
typedef struct dvbpsi_aac_dr_s dvbpsi_aac_dr_t
 dvbpsi_aac_dr_t type definition.

Enumerations

enum  dvbpsi_aac_type_s {
  DVBPSI_AAC_RESERVED0 = 0x00 , DVBPSI_HE_AAC_MONO = 0x01 , DVBPSI_AAC_RESERVED1 = 0x02 , DVBPSI_HE_AAC_STEREO = 0x03 ,
  DVBPSI_AAC_RESERVED2 = 0x04 , DVBPSI_HE_AAC_SURROUND = 0x05 , DVBPSI_AAC_RESERVED3 = 0x06 , DVBPSI_HE_AAC_IMPAIRED = 0x40 ,
  DVBPSI_HE_AAC_HEARING = 0x41 , DVBPSI_HE_AAC_MIXED = 0x42 , DVBPSI_HE_AAC_V2_STEREO = 0x43 , DVBPSI_HE_AAC_V2_IMPAIRED = 0x44 ,
  DVBPSI_HE_AAC_V2_HEARING = 0x45 , DVBPSI_HE_AAC_V2_MIXED = 0x46 , DVBPSI_HE_AAC_MIXED_IMPAIRED = 0x47 , DVBPSI_HE_AAC_BROADCAST_MIXED_IMPAIRED = 0x48 ,
  DVBPSI_HE_AAC_V2_MIXED_IMPAIRED = 0x49 , DVBPSI_HE_AAC_V2_BROADCAST_MIXED_IMPAIRED = 0x4A , DVBPSI_AAC_RESERVED4 = 0x4B , DVBPSI_AAC_USER = 0xB0 ,
  DVBPSI_AAC_RESERVED5 = 0xFF
}
 AAC type information as described in table 26, page 41 where column. More...

Functions

dvbpsi_aac_dr_tdvbpsi_DecodeAACDr (dvbpsi_descriptor_t *p_descriptor)
 "AAC Audio" descriptor decoder.
dvbpsi_descriptor_tdvbpsi_GenAACDr (dvbpsi_aac_dr_t *p_decoded, bool b_duplicate)
 "AAC" descriptor generator.

Detailed Description

AAC Audio descriptor.

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Author
Jean-Paul Saman jpsam.nosp@m.an@v.nosp@m.ideol.nosp@m.an.o.nosp@m.rg

AAC Audio descriptor parsing, according to ETSI EN 300 468 V1.13.1 (2012-04) Annex H

Enumeration Type Documentation

◆ dvbpsi_aac_type_s

AAC type information as described in table 26, page 41 where column.

The AAC Audio descriptor is used to label the PIDs that carry AAC audio data. 'stream_content' has value 0x06 as specified in ISO/IEC 13818-1:2007.

Enumerator
DVBPSI_AAC_RESERVED0 

reserved for future use

DVBPSI_HE_AAC_MONO 

HE-AAC audio, single mono channel

DVBPSI_AAC_RESERVED1 

reserved for future use

DVBPSI_HE_AAC_STEREO 

HE-AAC audio, stereo

DVBPSI_AAC_RESERVED2 

reserved for future use

DVBPSI_HE_AAC_SURROUND 

HE-AAC audio, surround sound

DVBPSI_AAC_RESERVED3 

0x06 to 0x3F reserved for future use

DVBPSI_HE_AAC_IMPAIRED 

HE-AAC audio description for the visually impaired

DVBPSI_HE_AAC_HEARING 

HE-AAC audio for the hard of hearing

DVBPSI_HE_AAC_MIXED 

HE-AAC receiver-mixed supplementary audio as per annex E of TS 101 154

DVBPSI_HE_AAC_V2_STEREO 

HE-AAC v2 audio, stereo

DVBPSI_HE_AAC_V2_IMPAIRED 

HE-AAC v2 audio description for the visually impaired

DVBPSI_HE_AAC_V2_HEARING 

HE-AAC v2 audio for the hard of hearing

DVBPSI_HE_AAC_V2_MIXED 

HE-AAC v2 receiver-mixed supplementary audio as per annex E of TS 101 154

DVBPSI_HE_AAC_MIXED_IMPAIRED 

HE-AAC receiver mix audio description for the visually impaired

DVBPSI_HE_AAC_BROADCAST_MIXED_IMPAIRED 

HE-AAC broadcaster mix audio description for the visually impaired

DVBPSI_HE_AAC_V2_MIXED_IMPAIRED 

HE-AAC v2 receiver mix audio description for the visually impaired

DVBPSI_HE_AAC_V2_BROADCAST_MIXED_IMPAIRED 

HE-AAC v2 broadcaster mix audio description for the visually impaired

DVBPSI_AAC_RESERVED4 

0x4B to 0xAF reserved for future use

DVBPSI_AAC_USER 

0xB0 to 0xFE user-defined

DVBPSI_AAC_RESERVED5 

reserved for future use

Function Documentation

◆ dvbpsi_DecodeAACDr()

dvbpsi_aac_dr_t * dvbpsi_DecodeAACDr ( dvbpsi_descriptor_t * p_descriptor)

"AAC Audio" descriptor decoder.

Parameters
p_descriptorpointer to the descriptor structure
Returns
a pointer to a new "AAC" descriptor structure which contains the decoded data.

◆ dvbpsi_GenAACDr()

dvbpsi_descriptor_t * dvbpsi_GenAACDr ( dvbpsi_aac_dr_t * p_decoded,
bool b_duplicate )

"AAC" descriptor generator.

Parameters
p_decodedpointer to a decoded "AAC" descriptor structure
b_duplicateif true then duplicate the p_decoded structure into the descriptor
Returns
a pointer to a new descriptor structure which contains encoded data.