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[raop] Add ALAC end tag to each frame 

The missing end tag makes the ffmpeg alac decoder upset and we can't have that

Credit Mike Brady
This commit is contained in:
ejurgensen 2023-08-30 21:00:33 +02:00
parent 4315c73775
commit 447e042953
1 changed files with 8 additions and 1 deletions
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9
src/outputs/raop.c
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@ -13,6 +13,10 @@
* Copyright (C) 2005 Shiro Ninomiya <shiron@snino.com>
* GPLv2+
*
* ALAC update to add end tags for compatibility with the FFmpeg ALAC decoder
* Copyright (C) 2023 Mike Brady <4265913+mikebrady@users.noreply.github.com>
* GPLv2+
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
@ -411,6 +415,8 @@ alac_encode(uint8_t *dst, uint8_t *raw, int len)
alac_write_bits(&dst, *(raw + 3), 8, &bpos);
alac_write_bits(&dst, *(raw + 2), 8, &bpos);
}
alac_write_bits(&dst, 7, 3, &bpos); /* end tag */
}
/* AirTunes v2 time synchronization helpers */
@ -2842,7 +2848,8 @@ packets_send(struct raop_master_session *rms)
struct raop_session *rs;
int ret;
pkt = rtp_packet_next(rms->rtp_session, ALAC_HEADER_LEN + rms->rawbuf_size, rms->samples_per_packet, RAOP_RTP_PAYLOADTYPE, 0);
pkt = rtp_packet_next(rms->rtp_session, ALAC_HEADER_LEN + rms->rawbuf_size + 1, rms->samples_per_packet, RAOP_RTP_PAYLOADTYPE, 0);
/* the "+ 1" above is space for the end tag (3 bits) */
ret = packet_prepare(pkt, rms->rawbuf, rms->rawbuf_size, rms->encrypt);
if (ret < 0)