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pulse-server: keep read index in sync

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Keep the ringbuffer and read_index variable in sync or else we might ask
for more data than maxlength and cause an overflow.

Fixes #2799
This commit is contained in:
Wim Taymans 2022-11-02 11:43:30 +01:00
parent 51e8ff7d8e
commit f801dc0886
1 changed files with 4 additions and 3 deletions
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7
src/modules/module-protocol-pulse/pulse-server.c
View file

@ -1428,15 +1428,16 @@ static void stream_process(void *data)
}
if ((stream->attr.prebuf == 0 || do_flush) && !stream->corked) {
if (avail > 0) {
avail = SPA_MIN((uint32_t)avail, size);
spa_ringbuffer_read_data(&stream->ring,
stream->buffer, MAXLENGTH,
index % MAXLENGTH,
p, SPA_MIN((uint32_t)avail, size));
p, avail);
index += avail;
pd.read_inc = avail;
spa_ringbuffer_read_update(&stream->ring, index);
}
pd.playing_for = size;
pd.read_inc = size;
spa_ringbuffer_read_update(&stream->ring, index);
}
pw_log_debug("%p: [%s] underrun read:%u avail:%d max:%u",
stream, client->name, index, avail, minreq);