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| author | Tedd Ho-Jeong An <tedd.an@intel.com> | 2020-06-19 11:34:56 -0700 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2020-06-22 10:13:34 -0700 |
| commit | c29241fe129f4a8dbca4adff45eacf9348d6ae2e (patch) | |
| tree | 3e37b62955255791491359ba2005455eb63ea268 /profiles/midi | |
| parent | b53fef50969b49f7c2a1376a11677817d3bdcf80 (diff) | |
| download | bluez-c29241fe129f4a8dbca4adff45eacf9348d6ae2e.tar.gz | |
midi: Fix random empty timestamp_high value
The timestamp_high value is assigned from the monotonic time but there
is a chance that the value becomes zero because it reads the value
between bit8 and bit13.
This patch makes sure the timestamp_high value get a non-zero value.
Diffstat (limited to 'profiles/midi')
| -rw-r--r-- | profiles/midi/libmidi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/profiles/midi/libmidi.c b/profiles/midi/libmidi.c index 7d57e7335..cb2787db1 100644 --- a/profiles/midi/libmidi.c +++ b/profiles/midi/libmidi.c @@ -77,8 +77,13 @@ inline static void append_timestamp_high_maybe(struct midi_write_parser *parser) if (midi_write_has_data(parser)) return; - parser->rtime = g_get_monotonic_time() / 1000; /* convert µs to ms */ - timestamp_high |= (parser->rtime & 0x1F80) >> 7; + /* Make sure timesampt_high is assigned a non-zero value */ + do { + /* convert µs to ms */ + parser->rtime = g_get_monotonic_time() / 1000; + timestamp_high |= (parser->rtime & 0x1F80) >> 7; + } while (timestamp_high == 0x80); + /* set timestampHigh */ buffer_append_byte(&parser->midi_stream, timestamp_high); } |