/* PipeWire */ /* SPDX-FileCopyrightText: Copyright © 2022 Wim Taymans */ /* SPDX-License-Identifier: MIT */ #include "adp.h" #include "aecp-aem.h" #include "aecp-aem-descriptors.h" #include "internal.h" static inline void init_descriptors(struct server *server) { server_add_descriptor(server, AVB_AEM_DESC_STRINGS, 0, sizeof(struct avb_aem_desc_strings), &(struct avb_aem_desc_strings) { .string_0 = "PipeWire", .string_1 = "Configuration 1", .string_2 = "Wim Taymans", }); server_add_descriptor(server, AVB_AEM_DESC_LOCALE, 0, sizeof(struct avb_aem_desc_locale), &(struct avb_aem_desc_locale) { .locale_identifier = "en-EN", .number_of_strings = htons(1), .base_strings = htons(0) }); server_add_descriptor(server, AVB_AEM_DESC_ENTITY, 0, sizeof(struct avb_aem_desc_entity), &(struct avb_aem_desc_entity) { .entity_id = htobe64(server->entity_id), .entity_model_id = htobe64(0), .entity_capabilities = htonl( AVB_ADP_ENTITY_CAPABILITY_AEM_SUPPORTED | AVB_ADP_ENTITY_CAPABILITY_CLASS_A_SUPPORTED | AVB_ADP_ENTITY_CAPABILITY_GPTP_SUPPORTED | AVB_ADP_ENTITY_CAPABILITY_AEM_IDENTIFY_CONTROL_INDEX_VALID | AVB_ADP_ENTITY_CAPABILITY_AEM_INTERFACE_INDEX_VALID), .talker_stream_sources = htons(8), .talker_capabilities = htons( AVB_ADP_TALKER_CAPABILITY_IMPLEMENTED | AVB_ADP_TALKER_CAPABILITY_AUDIO_SOURCE), .listener_stream_sinks = htons(8), .listener_capabilities = htons( AVB_ADP_LISTENER_CAPABILITY_IMPLEMENTED | AVB_ADP_LISTENER_CAPABILITY_AUDIO_SINK), .controller_capabilities = htons(0), .available_index = htonl(0), .association_id = htobe64(0), .entity_name = "PipeWire", .vendor_name_string = htons(2), .model_name_string = htons(0), .firmware_version = "0.3.48", .group_name = "", .serial_number = "", .configurations_count = htons(1), .current_configuration = htons(0) }); struct { struct avb_aem_desc_configuration desc; struct avb_aem_desc_descriptor_count descriptor_counts[8]; } __attribute__ ((__packed__)) config = { { .object_name = "Configuration 1", .localized_description = htons(1), .descriptor_counts_count = htons(8), .descriptor_counts_offset = htons( 4 + sizeof(struct avb_aem_desc_configuration)), }, .descriptor_counts = { { htons(AVB_AEM_DESC_AUDIO_UNIT), htons(1) }, { htons(AVB_AEM_DESC_STREAM_INPUT), htons(1) }, { htons(AVB_AEM_DESC_STREAM_OUTPUT), htons(1) }, { htons(AVB_AEM_DESC_AVB_INTERFACE), htons(1) }, { htons(AVB_AEM_DESC_CLOCK_SOURCE), htons(1) }, { htons(AVB_AEM_DESC_CONTROL), htons(2) }, { htons(AVB_AEM_DESC_LOCALE), htons(1) }, { htons(AVB_AEM_DESC_CLOCK_DOMAIN), htons(1) } } }; server_add_descriptor(server, AVB_AEM_DESC_CONFIGURATION, 0, sizeof(config), &config); struct { struct avb_aem_desc_audio_unit desc; struct avb_aem_desc_sampling_rate sampling_rates[6]; } __attribute__ ((__packed__)) audio_unit = { { .object_name = "PipeWire", .localized_description = htons(0), .clock_domain_index = htons(0), .number_of_stream_input_ports = htons(1), .base_stream_input_port = htons(0), .number_of_stream_output_ports = htons(1), .base_stream_output_port = htons(0), .number_of_external_input_ports = htons(8), .base_external_input_port = htons(0), .number_of_external_output_ports = htons(8), .base_external_output_port = htons(0), .number_of_internal_input_ports = htons(0), .base_internal_input_port = htons(0), .number_of_internal_output_ports = htons(0), .base_internal_output_port = htons(0), .number_of_controls = htons(0), .base_control = htons(0), .number_of_signal_selectors = htons(0), .base_signal_selector = htons(0), .number_of_mixers = htons(0), .base_mixer = htons(0), .number_of_matrices = htons(0), .base_matrix = htons(0), .number_of_splitters = htons(0), .base_splitter = htons(0), .number_of_combiners = htons(0), .base_combiner = htons(0), .number_of_demultiplexers = htons(0), .base_demultiplexer = htons(0), .number_of_multiplexers = htons(0), .base_multiplexer = htons(0), .number_of_transcoders = htons(0), .base_transcoder = htons(0), .number_of_control_blocks = htons(0), .base_control_block = htons(0), .current_sampling_rate = htonl(48000), .sampling_rates_offset = htons( 4 + sizeof(struct avb_aem_desc_audio_unit)), .sampling_rates_count = htons(6), }, .sampling_rates = { { .pull_frequency = htonl(44100) }, { .pull_frequency = htonl(48000) }, { .pull_frequency = htonl(88200) }, { .pull_frequency = htonl(96000) }, { .pull_frequency = htonl(176400) }, { .pull_frequency = htonl(192000) }, } }; server_add_descriptor(server, AVB_AEM_DESC_AUDIO_UNIT, 0, sizeof(audio_unit), &audio_unit); struct { struct avb_aem_desc_stream desc; uint64_t stream_formats[6]; } __attribute__ ((__packed__)) stream_input_0 = { { .object_name = "Stream Input 1", .localized_description = htons(0xffff), .clock_domain_index = htons(0), .stream_flags = htons( AVB_AEM_DESC_STREAM_FLAG_SYNC_SOURCE | AVB_AEM_DESC_STREAM_FLAG_CLASS_A), .current_format = htobe64(0x00a0020840000800ULL), .formats_offset = htons( 4 + sizeof(struct avb_aem_desc_stream)), .number_of_formats = htons(6), .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(0), .buffer_length = htons(8) }, .stream_formats = { htobe64(0x00a0010860000800ULL), htobe64(0x00a0020860000800ULL), htobe64(0x00a0030860000800ULL), htobe64(0x00a0040860000800ULL), htobe64(0x00a0050860000800ULL), htobe64(0x00a0060860000800ULL), }, }; server_add_descriptor(server, AVB_AEM_DESC_STREAM_INPUT, 0, sizeof(stream_input_0), &stream_input_0); struct { struct avb_aem_desc_stream desc; uint64_t stream_formats[6]; } __attribute__ ((__packed__)) stream_output_0 = { { .object_name = "Stream Output 1", .localized_description = htons(0xffff), .clock_domain_index = htons(0), .stream_flags = htons( AVB_AEM_DESC_STREAM_FLAG_CLASS_A), .current_format = htobe64(0x00a0020840000800ULL), .formats_offset = htons( 4 + sizeof(struct avb_aem_desc_stream)), .number_of_formats = htons(6), .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(0), .buffer_length = htons(8) }, .stream_formats = { htobe64(0x00a0010860000800ULL), htobe64(0x00a0020860000800ULL), htobe64(0x00a0030860000800ULL), htobe64(0x00a0040860000800ULL), htobe64(0x00a0050860000800ULL), htobe64(0x00a0060860000800ULL), }, }; server_add_descriptor(server, AVB_AEM_DESC_STREAM_OUTPUT, 0, sizeof(stream_output_0), &stream_output_0); struct avb_aem_desc_avb_interface avb_interface = { .localized_description = htons(0xffff), .interface_flags = htons( AVB_AEM_DESC_AVB_INTERFACE_FLAG_GPTP_GRANDMASTER_SUPPORTED), .clock_identity = htobe64(0), .priority1 = 0, .clock_class = 0, .offset_scaled_log_variance = htons(0), .clock_accuracy = 0, .priority2 = 0, .domain_number = 0, .log_sync_interval = 0, .log_announce_interval = 0, .log_pdelay_interval = 0, .port_number = 0, }; strncpy(avb_interface.object_name, server->ifname, 63); memcpy(avb_interface.mac_address, server->mac_addr, 6); server_add_descriptor(server, AVB_AEM_DESC_AVB_INTERFACE, 0, sizeof(avb_interface), &avb_interface); struct avb_aem_desc_clock_source clock_source = { .object_name = "Stream Clock", .localized_description = htons(0xffff), .clock_source_flags = htons(0), .clock_source_type = htons( AVB_AEM_DESC_CLOCK_SOURCE_TYPE_INPUT_STREAM), .clock_source_identifier = htobe64(0), .clock_source_location_type = htons(AVB_AEM_DESC_STREAM_INPUT), .clock_source_location_index = htons(0), }; server_add_descriptor(server, AVB_AEM_DESC_CLOCK_SOURCE, 0, sizeof(clock_source), &clock_source); }