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29385da239
This patch adds an RTP audio packet retransmission support and a circular buffer implementation for it. This patch was originally written by Matthias Wabersich [1] and later debugged and integrated into the latest tree by Hajime Fujita [1]: https://bugs.freedesktop.org/show_bug.cgi?id=42804#c44
42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
#ifndef RAOP_PACKET_BUFFER_H_INCLUDED
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#define RAOP_PACKET_BUFFER_H_INCLUDED
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/***
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Circular buffer for RTP audio packets with random access support
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by RTP sequence number.
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Copyright 2013 Matthias Wabersich, Hajime Fujita
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This is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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This is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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struct pa_raop_packet_element;
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typedef struct pa_raop_packet_element pa_raop_packet_element;
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struct pa_raop_packet_buffer;
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typedef struct pa_raop_packet_buffer pa_raop_packet_buffer;
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/* Allocates a new circular packet buffer
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size: Maximum number of packets to store */
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pa_raop_packet_buffer *pa_raop_pb_new(size_t size);
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void pa_raop_pb_clear(pa_raop_packet_buffer *pb);
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void pa_raop_pb_delete(pa_raop_packet_buffer *pb);
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void pa_raop_pb_write_packet(pa_raop_packet_buffer *pb, uint16_t seq_num, const uint8_t *packet_data, ssize_t packet_length);
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ssize_t pa_raop_pb_read_packet(pa_raop_packet_buffer *pb, uint16_t seq_num, uint8_t **packet_data);
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#endif /* RAOP_PACKET_BUFFER_H_INCLUDED */
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