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pulse-server: split out message handling

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Part of !776.
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Barnabás Pőcze 2021-06-18 22:56:49 +02:00
parent 5318c0eeca
commit b2ec1fb60a
6 changed files with 148 additions and 84 deletions
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77
src/modules/module-protocol-pulse/message.h Normal file
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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 PULSE_SERVER_MESSAGE_H
#define PULSE_SERVER_MESSAGE_H
#include <stdbool.h>
#include <stdint.h>
#include <spa/utils/list.h>
#include <spa/support/log.h>
struct impl;
struct client;
struct stats;
struct message {
struct spa_list link;
struct stats *stat;
uint32_t extra[4];
uint32_t channel;
uint32_t allocated;
uint32_t length;
uint32_t offset;
uint8_t *data;
};
enum {
TAG_INVALID = 0,
TAG_STRING = 't',
TAG_STRING_NULL = 'N',
TAG_U32 = 'L',
TAG_U8 = 'B',
TAG_U64 = 'R',
TAG_S64 = 'r',
TAG_SAMPLE_SPEC = 'a',
TAG_ARBITRARY = 'x',
TAG_BOOLEAN_TRUE = '1',
TAG_BOOLEAN_FALSE = '0',
TAG_BOOLEAN = TAG_BOOLEAN_TRUE,
TAG_TIMEVAL = 'T',
TAG_USEC = 'U' /* 64bit unsigned */,
TAG_CHANNEL_MAP = 'm',
TAG_CVOLUME = 'v',
TAG_PROPLIST = 'P',
TAG_VOLUME = 'V',
TAG_FORMAT_INFO = 'f',
};
struct message *message_alloc(struct impl *impl, uint32_t channel, uint32_t size);
void message_free(struct impl *impl, struct message *msg, bool dequeue, bool destroy);
int message_get(struct message *m, ...);
int message_put(struct message *m, ...);
int message_dump(enum spa_log_level level, struct message *m);
#endif /* PULSE_SERVER_MESSAGE_H */