2023-02-08 18:12:00 +01:00
|
|
|
/* Spa AVB support */
|
|
|
|
|
/* SPDX-FileCopyrightText: Copyright © 2022 Wim Taymans */
|
|
|
|
|
/* SPDX-License-Identifier: MIT */
|
2022-03-14 13:00:09 +01:00
|
|
|
|
|
|
|
|
#ifndef SPA_AVB_PACKETS_H
|
|
|
|
|
#define SPA_AVB_PACKETS_H
|
|
|
|
|
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_61883_IIDC 0x00
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_MMA_STREAM 0x01
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_AAF 0x02
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_CVF 0x03
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_CRF 0x04
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_TSCF 0x05
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_SVF 0x06
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_RVF 0x07
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_AEF_CONTINUOUS 0x6E
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_VSF_STREAM 0x6F
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_EF_STREAM 0x7F
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_NTSCF 0x82
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_ESCF 0xEC
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_EECF 0xED
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_AEF_DISCRETE 0xEE
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_ADP 0xFA
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_AECP 0xFB
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_ACMP 0xFC
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_MAAP 0xFE
|
|
|
|
|
#define SPA_AVBTP_SUBTYPE_EF_CONTROL 0xFF
|
|
|
|
|
|
|
|
|
|
struct spa_avbtp_packet_common {
|
|
|
|
|
uint8_t subtype;
|
|
|
|
|
#if __BYTE_ORDER == __BIG_ENDIAN
|
|
|
|
|
unsigned sv:1; /* stream_id valid */
|
|
|
|
|
unsigned version:3;
|
|
|
|
|
unsigned subtype_data1:4;
|
|
|
|
|
#elif __BYTE_ORDER == __LITTLE_ENDIAN
|
|
|
|
|
unsigned subtype_data1:4;
|
|
|
|
|
unsigned version:3;
|
|
|
|
|
unsigned sv:1;
|
|
|
|
|
#elif
|
|
|
|
|
#error "Unknown byte order"
|
|
|
|
|
#endif
|
|
|
|
|
uint16_t subtype_data2;
|
|
|
|
|
uint64_t stream_id;
|
|
|
|
|
uint8_t payload[0];
|
|
|
|
|
} __attribute__ ((__packed__));
|
|
|
|
|
|
|
|
|
|
#define SPA_AVBTP_PACKET_SET_SUBTYPE(p,v) ((p)->subtype = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_SET_SV(p,v) ((p)->sv = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_SET_VERSION(p,v) ((p)->version = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_SET_STREAM_ID(p,v) ((p)->stream_id = htobe64(v))
|
|
|
|
|
|
|
|
|
|
#define SPA_AVBTP_PACKET_GET_SUBTYPE(p) ((p)->subtype)
|
|
|
|
|
#define SPA_AVBTP_PACKET_GET_SV(p) ((p)->sv)
|
|
|
|
|
#define SPA_AVBTP_PACKET_GET_VERSION(p) ((p)->version)
|
|
|
|
|
#define SPA_AVBTP_PACKET_GET_STREAM_ID(p) be64toh((p)->stream_id)
|
|
|
|
|
|
|
|
|
|
struct spa_avbtp_packet_cc {
|
|
|
|
|
uint8_t subtype;
|
|
|
|
|
#if __BYTE_ORDER == __BIG_ENDIAN
|
|
|
|
|
unsigned sv:1;
|
|
|
|
|
unsigned version:3;
|
|
|
|
|
unsigned control_data1:4;
|
|
|
|
|
#elif __BYTE_ORDER == __LITTLE_ENDIAN
|
|
|
|
|
unsigned control_data1:4;
|
|
|
|
|
unsigned version:3;
|
|
|
|
|
unsigned sv:1;
|
|
|
|
|
#endif
|
|
|
|
|
uint8_t status;
|
|
|
|
|
uint16_t control_frame_length;
|
|
|
|
|
uint64_t stream_id;
|
|
|
|
|
uint8_t payload[0];
|
|
|
|
|
} __attribute__ ((__packed__));
|
|
|
|
|
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_SET_SUBTYPE(p,v) ((p)->subtype = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_SET_SV(p,v) ((p)->sv = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_SET_VERSION(p,v) ((p)->version = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_SET_STREAM_ID(p,v) ((p)->stream_id = htobe64(v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_SET_STATUS(p,v) ((p)->status = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_SET_LENGTH(p,v) ((p)->control_frame_length = htons(v))
|
|
|
|
|
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_GET_SUBTYPE(p) ((p)->subtype)
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_GET_SV(p) ((p)->sv)
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_GET_VERSION(p) ((p)->version)
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_GET_STREAM_ID(p) be64toh((p)->stream_id)
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_GET_STATUS(p) ((p)->status)
|
|
|
|
|
#define SPA_AVBTP_PACKET_CC_GET_LENGTH(p) ntohs((p)->control_frame_length)
|
|
|
|
|
|
|
|
|
|
/* AAF */
|
|
|
|
|
struct spa_avbtp_packet_aaf {
|
|
|
|
|
uint8_t subtype;
|
|
|
|
|
#if __BYTE_ORDER == __BIG_ENDIAN
|
|
|
|
|
unsigned sv:1;
|
|
|
|
|
unsigned version:3;
|
|
|
|
|
unsigned mr:1;
|
|
|
|
|
unsigned _r1:1;
|
|
|
|
|
unsigned gv:1;
|
|
|
|
|
unsigned tv:1;
|
|
|
|
|
|
2022-07-19 13:06:52 +02:00
|
|
|
uint8_t seq_num;
|
2022-03-14 13:00:09 +01:00
|
|
|
|
|
|
|
|
unsigned _r2:7;
|
|
|
|
|
unsigned tu:1;
|
|
|
|
|
#elif __BYTE_ORDER == __LITTLE_ENDIAN
|
|
|
|
|
unsigned tv:1;
|
|
|
|
|
unsigned gv:1;
|
|
|
|
|
unsigned _r1:1;
|
|
|
|
|
unsigned mr:1;
|
|
|
|
|
unsigned version:3;
|
|
|
|
|
unsigned sv:1;
|
|
|
|
|
|
|
|
|
|
uint8_t seq_num;
|
|
|
|
|
|
|
|
|
|
unsigned tu:1;
|
|
|
|
|
unsigned _r2:7;
|
|
|
|
|
#endif
|
|
|
|
|
uint64_t stream_id;
|
|
|
|
|
uint32_t timestamp;
|
|
|
|
|
#define SPA_AVBTP_AAF_FORMAT_USER 0x00
|
|
|
|
|
#define SPA_AVBTP_AAF_FORMAT_FLOAT_32BIT 0x01
|
|
|
|
|
#define SPA_AVBTP_AAF_FORMAT_INT_32BIT 0x02
|
|
|
|
|
#define SPA_AVBTP_AAF_FORMAT_INT_24BIT 0x03
|
|
|
|
|
#define SPA_AVBTP_AAF_FORMAT_INT_16BIT 0x04
|
|
|
|
|
#define SPA_AVBTP_AAF_FORMAT_AES3_32BIT 0x05
|
|
|
|
|
uint8_t format;
|
|
|
|
|
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_NSR_USER 0x00
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_NSR_8KHZ 0x01
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_NSR_16KHZ 0x02
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_NSR_32KHZ 0x03
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_NSR_44_1KHZ 0x04
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_NSR_48KHZ 0x05
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_NSR_88_2KHZ 0x06
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_NSR_96KHZ 0x07
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_NSR_176_4KHZ 0x08
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_NSR_192KHZ 0x09
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_NSR_24KHZ 0x0A
|
|
|
|
|
#if __BYTE_ORDER == __BIG_ENDIAN
|
|
|
|
|
unsigned nsr:4;
|
|
|
|
|
unsigned _r3:4;
|
|
|
|
|
#elif __BYTE_ORDER == __LITTLE_ENDIAN
|
|
|
|
|
unsigned _r3:4;
|
|
|
|
|
unsigned nsr:4;
|
|
|
|
|
#endif
|
|
|
|
|
uint8_t chan_per_frame;
|
|
|
|
|
uint8_t bit_depth;
|
|
|
|
|
uint16_t data_len;
|
|
|
|
|
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_SP_NORMAL 0x00
|
|
|
|
|
#define SPA_AVBTP_AAF_PCM_SP_SPARSE 0x01
|
|
|
|
|
#if __BYTE_ORDER == __BIG_ENDIAN
|
|
|
|
|
unsigned _r4:3;
|
|
|
|
|
unsigned sp:1;
|
|
|
|
|
unsigned event:4;
|
|
|
|
|
#elif __BYTE_ORDER == __LITTLE_ENDIAN
|
|
|
|
|
unsigned event:4;
|
|
|
|
|
unsigned sp:1;
|
|
|
|
|
unsigned _r4:3;
|
|
|
|
|
#endif
|
|
|
|
|
uint8_t _r5;
|
|
|
|
|
uint8_t payload[0];
|
|
|
|
|
} __attribute__ ((__packed__));
|
|
|
|
|
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_SUBTYPE(p,v) ((p)->subtype = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_SV(p,v) ((p)->sv = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_VERSION(p,v) ((p)->version = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_MR(p,v) ((p)->mr = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_GV(p,v) ((p)->gv = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_TV(p,v) ((p)->tv = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_SEQ_NUM(p,v) ((p)->seq_num = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_TU(p,v) ((p)->tu = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_STREAM_ID(p,v) ((p)->stream_id = htobe64(v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_TIMESTAMP(p,v) ((p)->timestamp = htonl(v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_DATA_LEN(p,v) ((p)->data_len = htons(v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_FORMAT(p,v) ((p)->format = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_NSR(p,v) ((p)->nsr = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_CHAN_PER_FRAME(p,v) ((p)->chan_per_frame = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_BIT_DEPTH(p,v) ((p)->bit_depth = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_SP(p,v) ((p)->sp = (v))
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_SET_EVENT(p,v) ((p)->event = (v))
|
|
|
|
|
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_SUBTYPE(p) ((p)->subtype)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_SV(p) ((p)->sv)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_VERSION(p) ((p)->version)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_MR(p) ((p)->mr)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_GV(p) ((p)->gv)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_TV(p) ((p)->tv)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_SEQ_NUM(p) ((p)->seq_num)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_TU(p) ((p)->tu)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_STREAM_ID(p) be64toh((p)->stream_id)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_TIMESTAMP(p) ntohl((p)->timestamp)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_DATA_LEN(p) ntohs((p)->data_len)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_FORMAT(p) ((p)->format)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_NSR(p) ((p)->nsr)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_CHAN_PER_FRAME(p) ((p)->chan_per_frame)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_BIT_DEPTH(p) ((p)->bit_depth)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_SP(p) ((p)->sp)
|
|
|
|
|
#define SPA_AVBTP_PACKET_AAF_GET_EVENT(p) ((p)->event)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#endif /* SPA_AVB_PACKETS_H */
|
