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/* Spa AVB support
*
* Copyright © 2022 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#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;
uint8_t seq_num;
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 */
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