Submix layout as defined in section 3.7 of IAMF. More...

#include <iamf.h>

Data Fields
const AVClass *	av_class

AVIAMFSubmixElement **	elements
	Array of submix elements. More...

unsigned int	nb_elements
	Number of elements in the submix. More...

AVIAMFSubmixLayout **	layouts
	Array of submix layouts. More...

unsigned int	nb_layouts
	Number of layouts in the submix. More...

AVIAMFParamDefinition *	output_mix_config
	Information required for post-processing the mixed audio signal to generate the audio signal for playback. More...

AVRational	default_mix_gain
	Default mix gain value to apply when there are no AVIAMFParamDefinition with output_mix_config's parameter_id available for a given audio frame. More...

Detailed Description

Submix layout as defined in section 3.7 of IAMF.

Note: The struct should be allocated with av_iamf_mix_presentation_add_submix() and its size is not a part of the public ABI.

Definition at line 552 of file iamf.h.

Field Documentation

◆ av_class

const AVClass* AVIAMFSubmix::av_class

Definition at line 553 of file iamf.h.

◆ elements

AVIAMFSubmixElement** AVIAMFSubmix::elements

Array of submix elements.

Set by av_iamf_submix_add_element(), must not be modified by any other code.

Definition at line 561 of file iamf.h.

Referenced by av_iamf_mix_presentation_free(), dump_stream_group(), ff_iamf_add_mix_presentation(), iamf_read_header(), iamf_write_mixing_presentation(), mov_read_iacb(), and print_iamf_submix_params().

◆ nb_elements

unsigned int AVIAMFSubmix::nb_elements

Number of elements in the submix.

Set by av_iamf_submix_add_element(), must not be modified by any other code.

Definition at line 568 of file iamf.h.

Referenced by av_iamf_mix_presentation_free(), dump_stream_group(), ff_iamf_add_mix_presentation(), iamf_read_header(), iamf_write_mixing_presentation(), mov_read_iacb(), of_parse_iamf_submixes(), and print_iamf_submix_params().

◆ layouts

AVIAMFSubmixLayout** AVIAMFSubmix::layouts

Array of submix layouts.

Set by av_iamf_submix_add_layout(), must not be modified by any other code.

Definition at line 576 of file iamf.h.

Referenced by av_iamf_mix_presentation_free(), dump_stream_group(), iamf_write_mixing_presentation(), and print_iamf_submix_params().

◆ nb_layouts

unsigned int AVIAMFSubmix::nb_layouts

Number of layouts in the submix.

Set by av_iamf_submix_add_layout(), must not be modified by any other code.

Definition at line 583 of file iamf.h.

Referenced by av_iamf_mix_presentation_free(), dump_stream_group(), iamf_write_mixing_presentation(), and print_iamf_submix_params().

◆ output_mix_config

AVIAMFParamDefinition* AVIAMFSubmix::output_mix_config

Information required for post-processing the mixed audio signal to generate the audio signal for playback.

The type must be AV_IAMF_PARAMETER_DEFINITION_MIX_GAIN.

Definition at line 591 of file iamf.h.

Referenced by av_iamf_mix_presentation_free(), ff_iamf_add_mix_presentation(), iamf_write_mixing_presentation(), mix_presentation_obu(), of_parse_iamf_submixes(), print_iamf_submix_params(), and submix_presentation_child_next().

◆ default_mix_gain

AVRational AVIAMFSubmix::default_mix_gain

Default mix gain value to apply when there are no AVIAMFParamDefinition with output_mix_config's parameter_id available for a given audio frame.

Definition at line 599 of file iamf.h.

Referenced by iamf_write_mixing_presentation(), mix_presentation_obu(), and print_iamf_submix_params().

The documentation for this struct was generated from the following file:

libavutil/iamf.h

Data Fields