mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2026-02-10 04:27:48 -05:00
0003d7a2d0
When debugging desync issues, it's useful to force same data be sent on all ISO streams. Add option for that.
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/* Spa Bluez5 ISO I/O */
|
|
/* SPDX-FileCopyrightText: Copyright © 2023 Pauli Virtanen */
|
|
/* SPDX-License-Identifier: MIT */
|
|
|
|
#ifndef SPA_BLUEZ5_ISO_IO_H
|
|
#define SPA_BLUEZ5_ISO_IO_H
|
|
|
|
#include <spa/utils/defs.h>
|
|
#include <spa/support/loop.h>
|
|
#include <spa/support/log.h>
|
|
#include <spa/node/io.h>
|
|
#include <spa/param/audio/format.h>
|
|
|
|
struct spa_bt_decode_buffer;
|
|
struct spa_bt_transport;
|
|
|
|
/**
|
|
* ISO I/O.
|
|
*
|
|
* Synchronizes related writes from different streams in the same group
|
|
* to occur at same real time instant (or not at all).
|
|
*/
|
|
struct spa_bt_iso_io
|
|
{
|
|
uint64_t now; /**< Reference time position of next packet (read-only) */
|
|
uint64_t duration; /**< ISO interval duration in ns (read-only) */
|
|
bool resync; /**< Resync position for next packet; (pull callback sets to
|
|
* false when done) */
|
|
|
|
uint32_t timestamp; /**< Packet timestamp (set by pull callback) */
|
|
uint8_t buf[4096]; /**< Packet data (set by pull callback) */
|
|
size_t size; /**< Packet size (set by pull callback) */
|
|
bool need_resync; /**< Resync requested (set by pull callback) */
|
|
|
|
struct spa_audio_info format; /**< Audio format */
|
|
void *codec_data; /**< Codec data */
|
|
|
|
bool debug_mono; /**< Duplicate packets from first sink to other sinks */
|
|
|
|
void *user_data;
|
|
};
|
|
|
|
typedef void (*spa_bt_iso_io_pull_t)(struct spa_bt_iso_io *io);
|
|
|
|
struct spa_bt_iso_io *spa_bt_iso_io_create(struct spa_bt_transport *t,
|
|
struct spa_log *log, struct spa_loop *data_loop, struct spa_system *data_system);
|
|
struct spa_bt_iso_io *spa_bt_iso_io_attach(struct spa_bt_iso_io *io, struct spa_bt_transport *t);
|
|
void spa_bt_iso_io_destroy(struct spa_bt_iso_io *io);
|
|
void spa_bt_iso_io_set_cb(struct spa_bt_iso_io *io, spa_bt_iso_io_pull_t pull, void *user_data);
|
|
int spa_bt_iso_io_recv_errqueue(struct spa_bt_iso_io *io);
|
|
|
|
void spa_bt_iso_io_ready(struct spa_bt_iso_io *io);
|
|
|
|
void spa_bt_iso_io_set_source_buffer(struct spa_bt_iso_io *io, struct spa_bt_decode_buffer *buffer);
|
|
int32_t spa_bt_iso_io_get_source_target_latency(struct spa_bt_iso_io *io);
|
|
void spa_bt_iso_io_check_rx_sync(struct spa_bt_iso_io *io, uint64_t position);
|
|
int64_t spa_bt_iso_io_recv(struct spa_bt_iso_io *io, int64_t now);
|
|
|
|
#endif
|