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milan-avb: stream: wire Milan Section 5.4.5 stream counters, TX heartbeat, and MAX_TRANSIT_TIME plumbing

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hackerman-kl 2026-04-26 16:19:29 +02:00 • committed by Wim Taymans
parent 16d793db38
commit 9c0007173b
11 changed files with 487 additions and 46 deletions
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35
src/modules/module-avb/descriptors.c
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@ -188,6 +188,41 @@ static void init_descriptor_legacy_avb(struct server *server)
es_builder_add_descriptor(server, AVB_AEM_DESC_STREAM_INPUT, 0,
sizeof(stream_input_0), &stream_input_0);
/* CRF clock-reference stream input (Milan v1.2 Section 5.4.x / IEEE 1722-2016
* Section 10). One format only. No audio cluster mapping — CRF carries clock
* timestamps, not media. Constants are pre-defined in
* entity-model-milan-v12.h. */
struct {
struct avb_aem_desc_stream desc;
uint64_t stream_formats[DSC_STREAM_INPUT_CRF_NUMBER_OF_FORMATS];
} __attribute__ ((__packed__)) stream_input_1_crf =
{
{
.object_name = DSC_STREAM_INPUT_CRF_OBJECT_NAME,
.localized_description = htons(DSC_STREAM_INPUT_CRF_LOCALIZED_DESCRIPTION),
.clock_domain_index = htons(DSC_STREAM_INPUT_CRF_CLOCK_DOMAIN_INDEX),
.stream_flags = htons(DSC_STREAM_INPUT_CRF_STREAM_FLAGS),
.current_format = htobe64(DSC_STREAM_INPUT_CRF_CURRENT_FORMAT),
.formats_offset = htons(DSC_STREAM_INPUT_CRF_FORMATS_OFFSET),
.number_of_formats = htons(DSC_STREAM_INPUT_CRF_NUMBER_OF_FORMATS),
.backup_talker_entity_id_0 = htobe64(0),
.backup_talker_unique_id_0 = htons(0),
.backup_talker_entity_id_1 = htobe64(0),
.backup_talker_unique_id_1 = htons(0),
.backup_talker_entity_id_2 = htobe64(0),
.backup_talker_unique_id_2 = htons(0),
.backedup_talker_entity_id = htobe64(0),
.backedup_talker_unique = htons(0),
.avb_interface_index = htons(DSC_STREAM_INPUT_CRF_AVB_INTERFACE_INDEX),
.buffer_length = htonl(DSC_STREAM_INPUT_CRF_BUFFER_LENGTH_IN_NS)
},
.stream_formats = {
htobe64(DSC_STREAM_INPUT_CRF_FORMATS_0),
},
};
es_builder_add_descriptor(server, AVB_AEM_DESC_STREAM_INPUT, 1,
sizeof(stream_input_1_crf), &stream_input_1_crf);
struct {
struct avb_aem_desc_stream desc;
uint64_t stream_formats[6];