[FFmpeg-cvslog] lavd/xv: report if no adaptor present.

[Nicolas George]

ffmpeg | branch: master | Nicolas George <george at nsup.org> | Sun Dec 29 11:29:18 2013 +0100| [fde219cfa8f6e823c770d57b2fa2a2799a5445e2] | committer: Nicolas George

lavd/xv: report if no adaptor present.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fde219cfa8f6e823c770d57b2fa2a2799a5445e2
---

 libavdevice/xv.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavdevice/xv.c b/libavdevice/xv.c
index ad60482..a4b44c8 100644
--- a/libavdevice/xv.c
+++ b/libavdevice/xv.c
@@ -149,6 +149,10 @@ static int xv_write_header(AVFormatContext *s)
         ret = AVERROR_EXTERNAL;
         goto fail;
     }
+    if (!num_adaptors) {
+        av_log(s, AV_LOG_ERROR, "No X-Video adaptors present\n");
+        return AVERROR(ENODEV);
+    }
     xv->xv_port = ai[0].base_id;
     XvFreeAdaptorInfo(ai);