From mboxrd@z Thu Jan 1 00:00:00 1970 From: sutar.mounesh@gmail.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 Message-ID: <1484030049-11232-1-git-send-email-sutar.mounesh@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: patch@alsa-project.org Cc: alsa-devel@alsa-project.org, Andreas Pape , mounesh_sutar@mentor.com List-Id: alsa-devel@alsa-project.org From: Andreas Pape Signed-off-by: Andreas Pape Signed-off-by: Mounesh Sutar 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