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module-avb: descriptors: adding cluster descriptor for milan and legacy AVB

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hackerman-kl 2025-12-07 09:14:55 +01:00 • committed by Wim Taymans
parent 1b39e7836d
commit 43448f147c
1 changed files with 25 additions and 1 deletions
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26
src/modules/module-avb/aecp-aem-descriptors.h
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@ -6,8 +6,11 @@
#ifndef AVB_AECP_AEM_DESCRIPTORS_H
#define AVB_AECP_AEM_DESCRIPTORS_H
#include "internal.h"
#include <stdint.h>
/*
* IEEE 1722.1-2021, Table 7-1 - Descriptor Types
*/
#define AVB_AEM_DESC_ENTITY 0x0000
#define AVB_AEM_DESC_CONFIGURATION 0x0001
#define AVB_AEM_DESC_AUDIO_UNIT 0x0002
@ -130,6 +133,27 @@ struct avb_aem_desc_audio_unit {
struct avb_aem_desc_sampling_rate sampling_rates[0];
} __attribute__ ((__packed__));
/* IEEE 1722.1-2021, Table 7-28 - AUDIO_CLUSTER format values */
#define AVB_AEM_AUDIO_CLUSTER_TYPE_IEC60958 0x00
#define AVB_AEM_AUDIO_CLUSTER_TYPE_MBLA 0x40
#define AVB_AEM_AUDIO_CLUSTER_TYPE_MIDI 0x80
#define AVB_AEM_AUDIO_CLUSTER_TYPE_SMPTE 0x88
struct avb_aem_desc_audio_cluster {
char object_name[64];
uint16_t localized_description;
uint16_t signal_type;
uint16_t signal_index;
uint16_t signal_output;
uint32_t path_latency;
uint32_t block_latency;
uint16_t channel_count;
uint8_t format;
uint8_t aes3_data_type_ref;
uint16_t aes3_data_type;
} __attribute__ ((__packed__));
#define AVB_AEM_DESC_STREAM_FLAG_SYNC_SOURCE (1u<<0)
#define AVB_AEM_DESC_STREAM_FLAG_CLASS_A (1u<<1)
#define AVB_AEM_DESC_STREAM_FLAG_CLASS_B (1u<<2)