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Diffstat (limited to '')
| -rw-r--r-- | src/modules/module-avb/aaf.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/modules/module-avb/aaf.h b/src/modules/module-avb/aaf.h new file mode 100644 index 0000000..b444ce2 --- /dev/null +++ b/src/modules/module-avb/aaf.h @@ -0,0 +1,102 @@ +/* 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 */ |