#include <stddef.h>
#include <stdint.h>
#include "libavutil/attributes_internal.h"
#include "libavutil/channel_layout.h"
#include "libavutil/iamf.h"
#include "libavcodec/codec_id.h"
#include "libavcodec/codec_par.h"

Data Structures
struct	IAMFCodecConfig

struct	IAMFLayer

struct	IAMFSubStream

struct	IAMFAudioElement

struct	IAMFMixPresentation

struct	IAMFParamDefinition

struct	IAMFContext

struct	IAMFSoundSystemMap

Macros
#define	MAX_IAMF_OBU_HEADER_SIZE (1 + 8 * 3)

Enumerations
enum	IAMF_OBU_Type { IAMF_OBU_IA_CODEC_CONFIG = 0, IAMF_OBU_IA_AUDIO_ELEMENT = 1, IAMF_OBU_IA_MIX_PRESENTATION = 2, IAMF_OBU_IA_PARAMETER_BLOCK = 3, IAMF_OBU_IA_TEMPORAL_DELIMITER = 4, IAMF_OBU_IA_AUDIO_FRAME = 5, IAMF_OBU_IA_AUDIO_FRAME_ID0 = 6, IAMF_OBU_IA_AUDIO_FRAME_ID1 = 7, IAMF_OBU_IA_AUDIO_FRAME_ID2 = 8, IAMF_OBU_IA_AUDIO_FRAME_ID3 = 9, IAMF_OBU_IA_AUDIO_FRAME_ID4 = 10, IAMF_OBU_IA_AUDIO_FRAME_ID5 = 11, IAMF_OBU_IA_AUDIO_FRAME_ID6 = 12, IAMF_OBU_IA_AUDIO_FRAME_ID7 = 13, IAMF_OBU_IA_AUDIO_FRAME_ID8 = 14, IAMF_OBU_IA_AUDIO_FRAME_ID9 = 15, IAMF_OBU_IA_AUDIO_FRAME_ID10 = 16, IAMF_OBU_IA_AUDIO_FRAME_ID11 = 17, IAMF_OBU_IA_AUDIO_FRAME_ID12 = 18, IAMF_OBU_IA_AUDIO_FRAME_ID13 = 19, IAMF_OBU_IA_AUDIO_FRAME_ID14 = 20, IAMF_OBU_IA_AUDIO_FRAME_ID15 = 21, IAMF_OBU_IA_AUDIO_FRAME_ID16 = 22, IAMF_OBU_IA_AUDIO_FRAME_ID17 = 23, IAMF_OBU_IA_SEQUENCE_HEADER = 31 }

enum	IAMF_Anchor_Element { IAMF_ANCHOR_ELEMENT_UNKNWONW, IAMF_ANCHOR_ELEMENT_DIALOGUE, IAMF_ANCHOR_ELEMENT_ALBUM }

enum	IAMF_Sound_System { SOUND_SYSTEM_A_0_2_0 = 0, SOUND_SYSTEM_B_0_5_0 = 1, SOUND_SYSTEM_C_2_5_0 = 2, SOUND_SYSTEM_D_4_5_0 = 3, SOUND_SYSTEM_E_4_5_1 = 4, SOUND_SYSTEM_F_3_7_0 = 5, SOUND_SYSTEM_G_4_9_0 = 6, SOUND_SYSTEM_H_9_10_3 = 7, SOUND_SYSTEM_I_0_7_0 = 8, SOUND_SYSTEM_J_4_7_0 = 9, SOUND_SYSTEM_10_2_7_0 = 10, SOUND_SYSTEM_11_2_3_0 = 11, SOUND_SYSTEM_12_0_1_0 = 12, SOUND_SYSTEM_13_9_1_6 = 13 }

Functions
static IAMFCodecConfig *	ff_iamf_get_codec_config (const IAMFContext *c, unsigned int codec_config_id)

static IAMFParamDefinition *	ff_iamf_get_param_definition (const IAMFContext *iamf, unsigned int parameter_id)

void	ff_iamf_free_audio_element (IAMFAudioElement **paudio_element)

void	ff_iamf_free_mix_presentation (IAMFMixPresentation **pmix_presentation)

void	ff_iamf_uninit_context (IAMFContext *c)

Variables
const FF_VISIBILITY_PUSH_HIDDEN AVChannelLayout	ff_iamf_scalable_ch_layouts [10]

const AVChannelLayout	ff_iamf_expanded_scalable_ch_layouts [13]

const struct IAMFSoundSystemMap	ff_iamf_sound_system_map [14]

Macro Definition Documentation

◆ MAX_IAMF_OBU_HEADER_SIZE

#define MAX_IAMF_OBU_HEADER_SIZE (1 + 8 * 3)

Definition at line 34 of file iamf.h.

Enumeration Type Documentation

◆ IAMF_OBU_Type

enum IAMF_OBU_Type

Enumerator
IAMF_OBU_IA_CODEC_CONFIG
IAMF_OBU_IA_AUDIO_ELEMENT
IAMF_OBU_IA_MIX_PRESENTATION
IAMF_OBU_IA_PARAMETER_BLOCK
IAMF_OBU_IA_TEMPORAL_DELIMITER
IAMF_OBU_IA_AUDIO_FRAME
IAMF_OBU_IA_AUDIO_FRAME_ID0
IAMF_OBU_IA_AUDIO_FRAME_ID1
IAMF_OBU_IA_AUDIO_FRAME_ID2
IAMF_OBU_IA_AUDIO_FRAME_ID3
IAMF_OBU_IA_AUDIO_FRAME_ID4
IAMF_OBU_IA_AUDIO_FRAME_ID5
IAMF_OBU_IA_AUDIO_FRAME_ID6
IAMF_OBU_IA_AUDIO_FRAME_ID7
IAMF_OBU_IA_AUDIO_FRAME_ID8
IAMF_OBU_IA_AUDIO_FRAME_ID9
IAMF_OBU_IA_AUDIO_FRAME_ID10
IAMF_OBU_IA_AUDIO_FRAME_ID11
IAMF_OBU_IA_AUDIO_FRAME_ID12
IAMF_OBU_IA_AUDIO_FRAME_ID13
IAMF_OBU_IA_AUDIO_FRAME_ID14
IAMF_OBU_IA_AUDIO_FRAME_ID15
IAMF_OBU_IA_AUDIO_FRAME_ID16
IAMF_OBU_IA_AUDIO_FRAME_ID17
IAMF_OBU_IA_SEQUENCE_HEADER

Definition at line 37 of file iamf.h.

◆ IAMF_Anchor_Element

enum IAMF_Anchor_Element

Enumerator
IAMF_ANCHOR_ELEMENT_UNKNWONW
IAMF_ANCHOR_ELEMENT_DIALOGUE
IAMF_ANCHOR_ELEMENT_ALBUM

Definition at line 139 of file iamf.h.

◆ IAMF_Sound_System

enum IAMF_Sound_System

Enumerator
SOUND_SYSTEM_A_0_2_0
SOUND_SYSTEM_B_0_5_0
SOUND_SYSTEM_C_2_5_0
SOUND_SYSTEM_D_4_5_0
SOUND_SYSTEM_E_4_5_1
SOUND_SYSTEM_F_3_7_0
SOUND_SYSTEM_G_4_9_0
SOUND_SYSTEM_H_9_10_3
SOUND_SYSTEM_I_0_7_0
SOUND_SYSTEM_J_4_7_0
SOUND_SYSTEM_10_2_7_0
SOUND_SYSTEM_11_2_3_0
SOUND_SYSTEM_12_0_1_0
SOUND_SYSTEM_13_9_1_6