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modules-vban: add vban sender and receiver

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Fixes #3380
This commit is contained in:
Wim Taymans 2023-07-25 18:36:48 +02:00
parent 938bbc3039
commit ce8f2c5d10
8 changed files with 2004 additions and 0 deletions
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60
src/modules/module-vban/vban.h Normal file
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/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2023 Wim Taymans <wim.taymans@gmail.com> */
/* SPDX-License-Identifier: MIT */
#ifndef PIPEWIRE_VBAN_H
#define PIPEWIRE_VBAN_H
#ifdef __cplusplus
extern "C" {
#endif
#define VBAN_HEADER_SIZE (4 + 4 + 16 + 4)
#define VBAN_STREAM_NAME_SIZE 16
#define VBAN_PROTOCOL_MAX_SIZE 1464
#define VBAN_DATA_MAX_SIZE (VBAN_PROTOCOL_MAX_SIZE - VBAN_HEADER_SIZE)
#define VBAN_CHANNELS_MAX_NB 256
#define VBAN_SAMPLES_MAX_NB 256
struct vban_header {
char vban[4]; /* contains 'V' 'B', 'A', 'N' */
uint8_t format_SR; /* SR index */
uint8_t format_nbs; /* nb sample per frame (1 to 256) */
uint8_t format_nbc; /* nb channel (1 to 256) */
uint8_t format_bit; /* bit format */
char stream_name[VBAN_STREAM_NAME_SIZE]; /* stream name */
uint32_t n_frames; /* growing frame number. */
} __attribute__ ((packed));
#define VBAN_SR_MAXNUMBER 21
static uint32_t const vban_SR[VBAN_SR_MAXNUMBER] = {
6000, 12000, 24000, 48000, 96000, 192000, 384000,
8000, 16000, 32000, 64000, 128000, 256000, 512000,
11025, 22050, 44100, 88200, 176400, 352800, 705600
};
static inline uint8_t vban_sr_index(uint32_t rate)
{
uint8_t i;
for (i = 0; i < SPA_N_ELEMENTS(vban_SR); i++) {
if (vban_SR[i] == rate)
return i;
}
return VBAN_SR_MAXNUMBER;
}
#define VBAN_DATATYPE_U8 0x00
#define VBAN_DATATYPE_INT16 0x01
#define VBAN_DATATYPE_INT24 0x02
#define VBAN_DATATYPE_INT32 0x03
#define VBAN_DATATYPE_FLOAT32 0x04
#define VBAN_DATATYPE_FLOAT64 0x05
#define VBAN_DATATYPE_12BITS 0x06
#define VBAN_DATATYPE_10BITS 0x07
#ifdef __cplusplus
}
#endif
#endif /* PIPEWIRE_VBAN_H */