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https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
b96f15d2fe
Reorganize the latency setup in one place, return a desired device latency for use as quantum. PulseAudio assigns half of the (tlength - minreq) latency to the sink but we can't do that because our sinks have a max-quantum of latency. Fix this by clamping our calculated sink latency to the quantum PulseAudio subtracts the sink latency from the tlength in adjust latency mode, so we need to do the same. This makes PULSE_LATENCY_MSEC values bahave more like pulseaudio. See #1769
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/* PipeWire
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*
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* Copyright © 2020 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef PULSE_SERVER_INTERNAL_H
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#define PULSE_SERVER_INTERNAL_H
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#include "config.h"
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#include <stdbool.h>
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#include <stdint.h>
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#include <spa/utils/defs.h>
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#include <spa/utils/ringbuffer.h>
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#include <pipewire/map.h>
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#include <pipewire/private.h>
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#include "format.h"
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struct pw_loop;
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struct pw_context;
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struct pw_work_queue;
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struct pw_properties;
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struct defs {
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struct spa_fraction min_req;
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struct spa_fraction default_req;
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struct spa_fraction min_frag;
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struct spa_fraction default_frag;
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struct spa_fraction default_tlength;
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struct spa_fraction min_quantum;
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struct sample_spec sample_spec;
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struct channel_map channel_map;
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uint32_t max_quantum;
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};
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struct stats {
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uint32_t n_allocated;
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uint32_t allocated;
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uint32_t n_accumulated;
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uint32_t accumulated;
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uint32_t sample_cache;
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};
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struct impl {
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struct pw_loop *loop;
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struct pw_context *context;
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struct spa_hook context_listener;
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struct pw_properties *props;
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void *dbus_name;
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struct ratelimit rate_limit;
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struct spa_list servers;
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struct pw_work_queue *work_queue;
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struct spa_list cleanup_clients;
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struct pw_map samples;
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struct pw_map modules;
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struct spa_list free_messages;
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struct defs defs;
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struct stats stat;
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};
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extern bool debug_messages;
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void broadcast_subscribe_event(struct impl *impl, uint32_t mask, uint32_t event, uint32_t id);
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#endif
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