From bd7d9e45a44480da09e956b55e93f455cf1ed26c Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Tue, 4 Jan 2011 18:18:01 +0000
Subject: [PATCH] In the video4linux2 output device, log an error description
in case of ioctl failure in mmap_release_buffer().
Originally committed as revision 26214 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavdevice/v4l2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c
index 035e41633d0..54259284af9 100644
--- a/libavdevice/v4l2.c
+++ b/libavdevice/v4l2.c
@@ -324,7 +324,7 @@ static void mmap_release_buffer(AVPacket *pkt)
res = ioctl(fd, VIDIOC_QBUF, &buf);
if (res < 0) {
- av_log(NULL, AV_LOG_ERROR, "ioctl(VIDIOC_QBUF)\n");
+ av_log(NULL, AV_LOG_ERROR, "ioctl(VIDIOC_QBUF): %s\n", strerror(errno));
}
pkt->data = NULL;
pkt->size = 0;
--
GitLab