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| author | MONTANARO Luciano (MM) <luciano.montanaro@magnetimarelli.com> | 2014-03-04 12:51:36 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2014-03-04 13:02:29 +0100 |
| commit | 688004a6acf7d1d568a660546816a092b6cc32ed (patch) | |
| tree | f3dc4b03f34ed27d867a5d956c55c647d9bae75d | |
| parent | 48f1b308cc66152eb6db66742dd0d08d888cda8d (diff) | |
| download | alsa-lib-688004a6acf7d1d568a660546816a092b6cc32ed.tar.gz | |
pcm: Wrap hw_ptr to boundary in pcm_ioplug
The function snd_pcm_ioplug_hw_ptr_update() always increased the hw_ptr
by delta, without wrapping it to the boundary. This would lead to
problems when after many hours, the hw_ptr would overflow.
Signed-off-by: Luciano Montanaro <luciano.montanaro@magnetimarelli.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
| -rw-r--r-- | src/pcm/pcm_ioplug.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/pcm/pcm_ioplug.c b/src/pcm/pcm_ioplug.c index a90c8445..c1c3a983 100644 --- a/src/pcm/pcm_ioplug.c +++ b/src/pcm/pcm_ioplug.c @@ -60,7 +60,7 @@ static void snd_pcm_ioplug_hw_ptr_update(snd_pcm_t *pcm) delta = hw - io->last_hw; else delta = pcm->buffer_size + hw - io->last_hw; - io->data->hw_ptr += delta; + snd_pcm_mmap_hw_forward(io->data->pcm, delta); io->last_hw = hw; } else io->data->state = SNDRV_PCM_STATE_XRUN; |