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bluetooth: Make sure there is at least one SBC frame to encode

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If SBC frame plus RTP header exceeds MTU size, let block size be at least one
frame to make sure bluetooth code can make progress reading and writing data.

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/695>
This commit is contained in:
Igor V. Kovalenko 2022-05-05 21:21:58 +03:00 • committed by PulseAudio Marge Bot
parent a4402bb4f4
commit a4e690bda5
1 changed files with 8 additions and 0 deletions
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8
src/modules/bluetooth/a2dp-codec-sbc.c
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@ -731,6 +731,14 @@ static size_t get_block_size(void *codec_info, size_t link_mtu) {
if (frame_count > 15)
frame_count = 15;
/* Code dealing with read/write block size expects it to be
* non-zero to make progress, make it at least one frame.
*/
if (frame_count < 1) {
pa_log_warn("SBC packet size %lu is larger than link MTU %lu", sbc_info->frame_length + rtp_size, link_mtu);
frame_count = 1;
}
return frame_count * sbc_info->codesize;
}