From: sutar.mounesh@gmail.com
To: patch@alsa-project.org
Cc: alsa-devel@alsa-project.org, Andreas Pape <apape@de.adit-jv.com>,
mounesh_sutar@mentor.com
Subject: [PATCH 4/4] alsa-lib:pcm: don't return bogus buffer levels in xrun state
Date: Tue, 10 Jan 2017 12:04:09 +0530 [thread overview]
Message-ID: <1484030049-11232-1-git-send-email-sutar.mounesh@gmail.com> (raw)
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 --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);
}
--
2.7.4
reply other threads:[~2017-01-10 6:34 UTC|newest]
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