AVIAMFSubmixLayout Struct Reference

Submix layout as defined in section 3.7.6 of IAMF. More...

#include <iamf.h>

Data Fields
const AVClass *	av_class
enum AVIAMFSubmixLayoutType	layout_type
AVChannelLayout	sound_system
	Channel layout matching one of Sound Systems A to J of ITU-2051-3, plus 7.1.2ch, 3.1.2ch, and binaural. More...
AVRational	integrated_loudness
	The program integrated loudness information, as defined in ITU-1770-4. More...
AVRational	digital_peak
	The digital (sampled) peak value of the audio signal, as defined in ITU-1770-4. More...
AVRational	true_peak
	The true peak of the audio signal, as defined in ITU-1770-4. More...
AVRational	dialogue_anchored_loudness
	The Dialogue loudness information, as defined in ITU-1770-4. More...
AVRational	album_anchored_loudness
	The Album loudness information, as defined in ITU-1770-4. More...

Detailed Description

Submix layout as defined in section 3.7.6 of IAMF.

Note

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

Definition at line 514 of file iamf.h.

Field Documentation

av_class

const AVClass* AVIAMFSubmixLayout::av_class

Definition at line 515 of file iamf.h.

layout_type

enum AVIAMFSubmixLayoutType AVIAMFSubmixLayout::layout_type

Definition at line 517 of file iamf.h.

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

sound_system

AVChannelLayout AVIAMFSubmixLayout::sound_system

Channel layout matching one of Sound Systems A to J of ITU-2051-3, plus 7.1.2ch, 3.1.2ch, and binaural.

If layout_type is not AV_IAMF_SUBMIX_LAYOUT_TYPE_LOUDSPEAKERS or AV_IAMF_SUBMIX_LAYOUT_TYPE_BINAURAL, this field is undefined.

Definition at line 525 of file iamf.h.

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

integrated_loudness

AVRational AVIAMFSubmixLayout::integrated_loudness

The program integrated loudness information, as defined in ITU-1770-4.

Definition at line 530 of file iamf.h.

Referenced by iamf_write_mixing_presentation(), and mix_presentation_obu().

digital_peak

AVRational AVIAMFSubmixLayout::digital_peak

The digital (sampled) peak value of the audio signal, as defined in ITU-1770-4.

Definition at line 535 of file iamf.h.

Referenced by iamf_write_mixing_presentation(), and mix_presentation_obu().

true_peak

AVRational AVIAMFSubmixLayout::true_peak

The true peak of the audio signal, as defined in ITU-1770-4.

Definition at line 539 of file iamf.h.

Referenced by iamf_write_mixing_presentation(), and mix_presentation_obu().

dialogue_anchored_loudness

AVRational AVIAMFSubmixLayout::dialogue_anchored_loudness

The Dialogue loudness information, as defined in ITU-1770-4.

Definition at line 543 of file iamf.h.

Referenced by iamf_write_mixing_presentation(), and mix_presentation_obu().

album_anchored_loudness

AVRational AVIAMFSubmixLayout::album_anchored_loudness

The Album loudness information, as defined in ITU-1770-4.

Definition at line 547 of file iamf.h.

Referenced by iamf_write_mixing_presentation(), and mix_presentation_obu().

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

• libavutil/iamf.h