104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/*
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* This file is part of vban_receptor.
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* Copyright (c) 2015 by Benoît Quiniou <quiniouben@yahoo.fr>
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*
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* vban_receptor is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* vban_receptor is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with vban_receptor. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __VBAN_H__
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#define __VBAN_H__
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#include <inttypes.h>
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#define VBAN_HEADER_SIZE (4 + 4 + 16 + 4)
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#define VBAN_HEADER_FOURC 'NABV'
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#define VBAN_STREAM_NAME_SIZE 16
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#define VBAN_PROTOCOL_MAX_SIZE 1436
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struct VBanHeader
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{
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uint32_t vban; /* contains 'V' 'B', 'A', 'N' */
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uint8_t format_SR; /* SR index (see SRList above) */
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uint8_t format_nbs; /* nb sample per frame (1 to 256) */
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uint8_t format_nbc; /* nb channel (1 to 256) */
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uint8_t format_bit; /* mask = 0x07 (nb Byte integer from 1 to 4) */
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char streamname[VBAN_STREAM_NAME_SIZE]; /* stream name */
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uint32_t nuFrame; /* growing frame number. */
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} __attribute__((packed));
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#define VBAN_SR_MASK 0x1F
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#define VBAN_SR_MAXNUMBER 21
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static long const VBanSRList[VBAN_SR_MAXNUMBER]=
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{
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6000, 12000, 24000, 48000, 96000, 192000, 384000,
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8000, 16000, 32000, 64000, 128000, 256000, 512000,
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11025, 22050, 44100, 88200, 176400, 352800, 705600
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};
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#define VBAN_PROTOCOL_MASK 0xE0
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enum VBanProtocol
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{
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VBAN_PROTOCOL_AUDIO = 0x00,
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VBAN_PROTOCOL_SERIAL = 0x20,
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VBAN_PROTOCOL_TXT = 0x40,
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VBAN_PROTOCOL_UNDEFINED_1 = 0x80,
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VBAN_PROTOCOL_UNDEFINED_2 = 0xA0,
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VBAN_PROTOCOL_UNDEFINED_3 = 0xC0,
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VBAN_PROTOCOL_UNDEFINED_4 = 0xE0
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};
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#define VBAN_BIT_RESOLUTION_MASK 0x07
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enum VBanBitResolution
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{
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VBAN_BITFMT_8_INT = 0,
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VBAN_BITFMT_16_INT,
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VBAN_BITFMT_24_INT,
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VBAN_BITFMT_32_INT,
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VBAN_BITFMT_32_FLOAT,
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VBAN_BITFMT_64_FLOAT,
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VBAN_BIT_RESOLUTION_MAX
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};
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static int const VBanBitResolutionSize[VBAN_BIT_RESOLUTION_MAX] =
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{
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1, 2, 3, 4, 4, 8,
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};
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#define VBAN_RESERVED_MASK 0x08
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#define VBAN_CODEC_MASK 0xF0
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enum VBanCodec
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{
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VBAN_CODEC_PCM = 0x00,
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VBAN_CODEC_VBCA = 0x10,
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VBAN_CODEC_VBCV = 0x20,
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VBAN_CODEC_UNDEFINED_3 = 0x30,
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VBAN_CODEC_UNDEFINED_4 = 0x40,
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VBAN_CODEC_UNDEFINED_5 = 0x50,
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VBAN_CODEC_UNDEFINED_6 = 0x60,
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VBAN_CODEC_UNDEFINED_7 = 0x70,
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VBAN_CODEC_UNDEFINED_8 = 0x80,
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VBAN_CODEC_UNDEFINED_9 = 0x90,
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VBAN_CODEC_UNDEFINED_10 = 0xA0,
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VBAN_CODEC_UNDEFINED_11 = 0xB0,
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VBAN_CODEC_UNDEFINED_12 = 0xC0,
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VBAN_CODEC_UNDEFINED_13 = 0xD0,
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VBAN_CODEC_UNDEFINED_14 = 0xE0,
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VBAN_CODEC_USER = 0xF0
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};
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#endif /*__VBAN_H__*/
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