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https://gitlab.freedesktop.org/pipewire/pipewire.git
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70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
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/* AVB support
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*
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* Copyright © 2022 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef AVBTP_AECP_H
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#define AVBTP_AECP_H
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#include "packets.h"
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#include "internal.h"
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#define AVBTP_AECP_DATA_LENGTH 56
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struct avbtp_packet_aecp {
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uint8_t subtype;
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#if __BYTE_ORDER == __BIG_ENDIAN
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unsigned sv:1;
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unsigned version:3;
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unsigned message_type:4;
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unsigned valid_time:5;
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unsigned len1:3;
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#elif __BYTE_ORDER == __LITTLE_ENDIAN
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unsigned message_type:4;
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unsigned version:3;
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unsigned sv:1;
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unsigned len1:3;
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unsigned valid_time:5;
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#endif
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uint8_t len2:8;
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} __attribute__ ((__packed__));
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#define AVBTP_PACKET_AECP_SET_SUBTYPE(p,v) ((p)->subtype = (v))
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#define AVBTP_PACKET_AECP_SET_SV(p,v) ((p)->sv = (v))
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#define AVBTP_PACKET_AECP_SET_VERSION(p,v) ((p)->version = (v))
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#define AVBTP_PACKET_AECP_SET_MESSAGE_TYPE(p,v) ((p)->message_type = (v))
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#define AVBTP_PACKET_AECP_SET_VALID_TIME(p,v) ((p)->valid_time = (v))
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#define AVBTP_PACKET_AECP_SET_LENGTH(p,v) ((p)->len1 = ((v) >> 8),(p)->len2 = (v))
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#define AVBTP_PACKET_AECP_GET_SUBTYPE(p) ((p)->subtype)
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#define AVBTP_PACKET_AECP_GET_SV(p) ((p)->sv)
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#define AVBTP_PACKET_AECP_GET_VERSION(p) ((p)->version)
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#define AVBTP_PACKET_AECP_GET_MESSAGE_TYPE(p) ((p)->message_type)
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#define AVBTP_PACKET_AECP_GET_VALID_TIME(p) ((p)->valid_time)
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#define AVBTP_PACKET_AECP_GET_LENGTH(p) (((p)->len1 << 8) | (p)->len2)
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struct avbtp_aecp *avbtp_aecp_register(struct server *server);
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#endif /* AVBTP_AECP_H */
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