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/* 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 AVB_AAF_H
#define AVB_AAF_H
struct avb_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 AVB_AAF_FORMAT_USER 0x00
#define AVB_AAF_FORMAT_FLOAT_32BIT 0x01
#define AVB_AAF_FORMAT_INT_32BIT 0x02
#define AVB_AAF_FORMAT_INT_24BIT 0x03
#define AVB_AAF_FORMAT_INT_16BIT 0x04
#define AVB_AAF_FORMAT_AES3_32BIT 0x05
uint8_t format;
#define AVB_AAF_PCM_NSR_USER 0x00
#define AVB_AAF_PCM_NSR_8KHZ 0x01
#define AVB_AAF_PCM_NSR_16KHZ 0x02
#define AVB_AAF_PCM_NSR_32KHZ 0x03
#define AVB_AAF_PCM_NSR_44_1KHZ 0x04
#define AVB_AAF_PCM_NSR_48KHZ 0x05
#define AVB_AAF_PCM_NSR_88_2KHZ 0x06
#define AVB_AAF_PCM_NSR_96KHZ 0x07
#define AVB_AAF_PCM_NSR_176_4KHZ 0x08
#define AVB_AAF_PCM_NSR_192KHZ 0x09
#define AVB_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 AVB_AAF_PCM_SP_NORMAL 0x00
#define AVB_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__));
#endif /* AVB_AAF_H */
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