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FFmpeg
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Data Structures | |
| struct | AVIAMFSubmixElement |
| Submix element as defined in section 3.7 of IAMF. More... | |
| struct | AVIAMFSubmixLayout |
| Submix layout as defined in section 3.7.6 of IAMF. More... | |
| struct | AVIAMFSubmix |
| Submix layout as defined in section 3.7 of IAMF. More... | |
| struct | AVIAMFMixPresentation |
| Information on how to render and mix one or more AVIAMFAudioElement to generate the final audio output, as defined in section 3.7 of IAMF. More... | |
Enumerations | |
| enum | AVIAMFHeadphonesMode { AV_IAMF_HEADPHONES_MODE_STEREO, AV_IAMF_HEADPHONES_MODE_BINAURAL } |
| enum | AVIAMFSubmixLayoutType { AV_IAMF_SUBMIX_LAYOUT_TYPE_LOUDSPEAKERS = 2, AV_IAMF_SUBMIX_LAYOUT_TYPE_BINAURAL = 3 } |
Functions | |
| const AVClass * | av_iamf_mix_presentation_get_class (void) |
| AVIAMFMixPresentation * | av_iamf_mix_presentation_alloc (void) |
| Allocates a AVIAMFMixPresentation, and initializes its fields with default values. More... | |
| AVIAMFSubmix * | av_iamf_mix_presentation_add_submix (AVIAMFMixPresentation *mix_presentation) |
| Allocate a submix and add it to a given AVIAMFMixPresentation. More... | |
| AVIAMFSubmixElement * | av_iamf_submix_add_element (AVIAMFSubmix *submix) |
| Allocate a submix element and add it to a given AVIAMFSubmix. More... | |
| AVIAMFSubmixLayout * | av_iamf_submix_add_layout (AVIAMFSubmix *submix) |
| Allocate a submix layout and add it to a given AVIAMFSubmix. More... | |
| void | av_iamf_mix_presentation_free (AVIAMFMixPresentation **mix_presentation) |
| Free an AVIAMFMixPresentation and all its contents. More... | |
Mix Presentations as defined in section 3.7 of IAMF.
| enum AVIAMFHeadphonesMode |
| Enumerator | |
|---|---|
| AV_IAMF_SUBMIX_LAYOUT_TYPE_LOUDSPEAKERS | The layout follows the loudspeaker sound system convention of ITU-2051-3. AVIAMFSubmixLayout::sound_system must be set. |
| AV_IAMF_SUBMIX_LAYOUT_TYPE_BINAURAL | The layout is binaural.
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| const AVClass* av_iamf_mix_presentation_get_class | ( | void | ) |
Definition at line 515 of file iamf.c.
Referenced by stream_group_child_iterate().
| AVIAMFMixPresentation* av_iamf_mix_presentation_alloc | ( | void | ) |
Allocates a AVIAMFMixPresentation, and initializes its fields with default values.
No submixes are allocated. Must be freed with av_iamf_mix_presentation_free().
Definition at line 520 of file iamf.c.
Referenced by avformat_stream_group_create(), and mix_presentation_obu().
| AVIAMFSubmix* av_iamf_mix_presentation_add_submix | ( | AVIAMFMixPresentation * | mix_presentation | ) |
Allocate a submix and add it to a given AVIAMFMixPresentation.
It is freed by av_iamf_mix_presentation_free() alongside the rest of the parent AVIAMFMixPresentation.
Referenced by mix_presentation_obu(), and of_parse_iamf_submixes().
| AVIAMFSubmixElement* av_iamf_submix_add_element | ( | AVIAMFSubmix * | submix | ) |
Allocate a submix element and add it to a given AVIAMFSubmix.
It is freed by av_iamf_mix_presentation_free() alongside the rest of the parent AVIAMFSubmix.
Referenced by mix_presentation_obu(), and of_parse_iamf_submixes().
| AVIAMFSubmixLayout* av_iamf_submix_add_layout | ( | AVIAMFSubmix * | submix | ) |
Allocate a submix layout and add it to a given AVIAMFSubmix.
It is freed by av_iamf_mix_presentation_free() alongside the rest of the parent AVIAMFSubmix.
Referenced by mix_presentation_obu(), and of_parse_iamf_submixes().
| void av_iamf_mix_presentation_free | ( | AVIAMFMixPresentation ** | mix_presentation | ) |
Free an AVIAMFMixPresentation and all its contents.
| mix_presentation | pointer to pointer to an allocated AVIAMFMixPresentation. upon return, *mix_presentation will be set to NULL. |
Definition at line 534 of file iamf.c.
Referenced by ff_free_stream_group(), ff_iamf_free_mix_presentation(), and iamf_read_header().
1.8.17