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/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
struct demux_packet_pool;
struct demux_packet;
struct mpv_global;
/**
* Initializes the demux packet pool.
*
* This function creates a new shaderd demux packet pool. Should be done only
* once per mpv context.
*
* @param global Pointer to the global context.
*/
void demux_packet_pool_init(struct mpv_global *global);
/**
* Returns the demux packet pool context for client use.
*
* @param global Pointer to the global context.
* @return Pointer to the demux packet context.
*/
struct demux_packet_pool *demux_packet_pool_get(struct mpv_global *global);
/**
* Clears the demux packet pool.
*
* This function frees all the packets in the pool.
* This function is thread-safe.
*
* @param pool Pointer to the demux packet pool.
*/
void demux_packet_pool_clear(struct demux_packet_pool *pool);
/**
* Pushes a packet into the demux packet pool.
*
* This function pushes a new demux packet to the pool by appending
* it to the list. If the packet is NULL, the function returns immediately.
* This function is thread-safe.
*
* @param pool Pointer to the demux packet pool.
* @param dp Pointer to the demux packet to be added.
*/
void demux_packet_pool_push(struct demux_packet_pool *pool,
struct demux_packet *dp);
/**
* Prepends a linked list of demux packets to the pool.
*
* This function prepends a list of demux packets to the packet pool.
* The head is the first packet to be inserted, and the tail is the
* last one. This function is thread-safe.
*
* @param pool Pointer to the demux packet pool.
* @param head Pointer to the head of the list of packets to be added.
* @param tail Pointer to the tail of the list of packets to be added.
*/
void demux_packet_pool_prepend(struct demux_packet_pool *pool,
struct demux_packet *head, struct demux_packet *tail);
/**
* Pops a packet from the demux packet pool.
*
* This function removes and returns the first packet from the pool's
* linked list. This function is thread-safe.
*
* @param pool Pointer to the demux packet pool.
* @return Pointer to the demux packet, or NULL if the pool is empty.
*/
struct demux_packet *demux_packet_pool_pop(struct demux_packet_pool *pool);
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