diff mbox

[6/6,v3] alsa-lib:pcm: don't return bogus buffer levels in xrun state

Message ID 1483692035-1470-1-git-send-email-sutar.mounesh@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

sutar.mounesh@gmail.com Jan. 6, 2017, 8:40 a.m. UTC 
From: Andreas Pape <apape@de.adit-jv.com>

Signed-off-by: Andreas Pape <apape@de.adit-jv.com>
Signed-off-by: Mounesh Sutar <mounesh_sutar@mentor.com>
diff mbox

Patch

diff --git a/src/pcm/pcm_dmix.c b/src/pcm/pcm_dmix.c
index 2e7d9d2..1948fa0 100644
--- a/src/pcm/pcm_dmix.c
+++ b/src/pcm/pcm_dmix.c
@@ -882,6 +882,9 @@  static snd_pcm_sframes_t snd_pcm_dmix_avail_update(snd_pcm_t *pcm)
 		if ((err = snd_pcm_dmix_sync_ptr(pcm)) < 0)
 			return err;
 	}
+	if (dmix->state == SND_PCM_STATE_XRUN)
+		return -EPIPE;
+
 	return snd_pcm_mmap_playback_avail(pcm);
 }
 
diff --git a/src/pcm/pcm_dshare.c b/src/pcm/pcm_dshare.c
index 09d165d..cdd1521 100644
--- a/src/pcm/pcm_dshare.c
+++ b/src/pcm/pcm_dshare.c
@@ -570,6 +570,9 @@  static snd_pcm_sframes_t snd_pcm_dshare_avail_update(snd_pcm_t *pcm)
 		if ((err = snd_pcm_dshare_sync_ptr(pcm)) < 0)
 			return err;
 	}
+	if (dshare->state == SND_PCM_STATE_XRUN)
+		return -EPIPE;
+
 	return snd_pcm_mmap_playback_avail(pcm);
 }
 
diff --git a/src/pcm/pcm_dsnoop.c b/src/pcm/pcm_dsnoop.c
index 2b0df89..60a5843 100644
--- a/src/pcm/pcm_dsnoop.c
+++ b/src/pcm/pcm_dsnoop.c
@@ -454,6 +454,9 @@  static snd_pcm_sframes_t snd_pcm_dsnoop_avail_update(snd_pcm_t *pcm)
 		if (err < 0)
 			return err;
 	}
+	if (dsnoop->state == SND_PCM_STATE_XRUN)
+		return -EPIPE;
+
 	return snd_pcm_mmap_capture_avail(pcm);
 }