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midi: don't write trailing continuation 0xf0 for SysEx

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Because our midi messages already have a size, we don't need the 0xf0
continuation terminator. Also having the terminator optionally requires
you to check and strip it if it's there.

The easiest algorithm is to check the first byte for start (0xf0) or
continuation (0xf7) and the last byte for end (0xf7) and that should be
enough to process the messages without having to ever stip the last
byte.
This commit is contained in:
Wim Taymans 2026-06-01 13:08:11 +02:00
parent b41d117609
commit 350eb9a041
10 changed files with 52 additions and 35 deletions
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2
spa/plugins/alsa/alsa-seq.c
View file

@ -886,8 +886,6 @@ static int process_write(struct seq_state *state)
continue;
if (body[0] == 0xf0 || body[0] == 0xf7) {
if (body[body_size-1] == 0xf0)
body_size -= 1;
if (body[0] == 0xf7) {
body += 1;
body_size -= 1;