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/* PipeWire
*
* Copyright © 2020 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 PULSER_SERVER_STREAM_H
#define PULSER_SERVER_STREAM_H
#include <stdbool.h>
#include <stdint.h>
#include <spa/utils/hook.h>
#include <spa/utils/ringbuffer.h>
#include <pipewire/pipewire.h>
#include "format.h"
#include "volume.h"
struct impl;
struct client;
struct spa_io_rate_match;
struct buffer_attr {
uint32_t maxlength;
uint32_t tlength;
uint32_t prebuf;
uint32_t minreq;
uint32_t fragsize;
};
enum stream_type {
STREAM_TYPE_RECORD,
STREAM_TYPE_PLAYBACK,
STREAM_TYPE_UPLOAD,
};
struct stream {
struct spa_list link;
uint32_t create_tag;
uint32_t channel; /* index in map */
uint32_t id; /* id of global */
uint32_t index; /* index */
uint32_t peer_index;
struct impl *impl;
struct client *client;
enum stream_type type;
enum pw_direction direction;
struct pw_properties *props;
struct pw_stream *stream;
struct spa_hook stream_listener;
struct spa_io_position *position;
struct spa_ringbuffer ring;
void *buffer;
int64_t read_index;
int64_t write_index;
uint64_t underrun_for;
uint64_t playing_for;
uint64_t ticks_base;
uint64_t timestamp;
uint64_t idle_time;
int64_t delay;
uint32_t last_quantum;
int64_t requested;
struct spa_fraction min_req;
struct spa_fraction default_req;
struct spa_fraction min_frag;
struct spa_fraction default_frag;
struct spa_fraction default_tlength;
struct spa_fraction min_quantum;
uint32_t idle_timeout_sec;
struct sample_spec ss;
struct channel_map map;
struct buffer_attr attr;
uint32_t frame_size;
uint32_t rate;
uint64_t lat_usec;
struct volume volume;
bool muted;
uint32_t drain_tag;
unsigned int corked:1;
unsigned int draining:1;
unsigned int volume_set:1;
unsigned int muted_set:1;
unsigned int early_requests:1;
unsigned int adjust_latency:1;
unsigned int is_underrun:1;
unsigned int in_prebuf:1;
unsigned int killed:1;
unsigned int pending:1;
unsigned int is_idle:1;
unsigned int is_paused:1;
};
struct stream *stream_new(struct client *client, enum stream_type type, uint32_t create_tag,
const struct sample_spec *ss, const struct channel_map *map,
const struct buffer_attr *attr);
void stream_free(struct stream *stream);
void stream_flush(struct stream *stream);
uint32_t stream_pop_missing(struct stream *stream);
void stream_set_paused(struct stream *stream, bool paused, const char *reason);
int stream_send_underflow(struct stream *stream, int64_t offset);
int stream_send_overflow(struct stream *stream);
int stream_send_killed(struct stream *stream);
int stream_send_started(struct stream *stream);
int stream_send_request(struct stream *stream);
int stream_update_minreq(struct stream *stream, uint32_t minreq);
int stream_send_moved(struct stream *stream, uint32_t peer_index, const char *peer_name);
#endif /* PULSER_SERVER_STREAM_H */
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