From dc180cd81577d6c8bd561d804ce8f71711e4f1ac Mon Sep 17 00:00:00 2001 From: Aman Gupta Date: Thu, 22 Aug 2019 16:00:37 -0700 Subject: [PATCH] avcodec/v4l2_m2m_enc: log errno on v4l2_set_ext_ctrl failures Signed-off-by: Aman Gupta --- libavcodec/v4l2_m2m_enc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/v4l2_m2m_enc.c b/libavcodec/v4l2_m2m_enc.c index 636e1a96dd..8b17f3696c 100644 --- a/libavcodec/v4l2_m2m_enc.c +++ b/libavcodec/v4l2_m2m_enc.c @@ -58,10 +58,10 @@ static inline void v4l2_set_ext_ctrl(V4L2m2mContext *s, unsigned int id, signed /* set ctrl*/ ctrl.value = value; - ctrl.id = id ; + ctrl.id = id; if (ioctl(s->fd, VIDIOC_S_EXT_CTRLS, &ctrls) < 0) - av_log(s->avctx, AV_LOG_WARNING, "Failed to set %s\n", name); + av_log(s->avctx, AV_LOG_WARNING, "Failed to set %s: %s\n", name, strerror(errno)); else av_log(s->avctx, AV_LOG_DEBUG, "Encoder: %s = %d\n", name, value); }