[FFmpeg-cvslog] avdevice/oss_audio: Check SNDCTL_DSP_GETFMTS failure, print a warning but continue

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Jul 31 21:01:07 2014 +0200| [39133efc1b991d91683f7cc36d2ef32896556aa1] | committer: Michael Niedermayer

avdevice/oss_audio: Check SNDCTL_DSP_GETFMTS failure, print a warning but continue

Found-by: CSA and Timothy Gu <timothygu99 at gmail.com>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=39133efc1b991d91683f7cc36d2ef32896556aa1
---

 libavdevice/oss_audio.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavdevice/oss_audio.c b/libavdevice/oss_audio.c
index d27da85..951acbc 100644
--- a/libavdevice/oss_audio.c
+++ b/libavdevice/oss_audio.c
@@ -83,6 +83,9 @@ int ff_oss_audio_open(AVFormatContext *s1, int is_output,
      * usable. If OSS is not usable the SNDCTL_DSP_SETFMTS later is going to
      * fail anyway. `err =` kept to eliminate compiler warning. */
     err = ioctl(audio_fd, SNDCTL_DSP_GETFMTS, &tmp);
+    if (err < 0) {
+        av_log(s1, AV_LOG_WARNING, "SNDCTL_DSP_GETFMTS: %s\n", strerror(errno));
+    }
 
 #if HAVE_BIGENDIAN
     if (tmp & AFMT_S16_BE) {