[FFmpeg-cvslog] avformat/libsrt: small fixes in libsrt_neterrno()

[Marton Balint]

ffmpeg | branch: master | Marton Balint <cus at passwd.hu> | Fri Feb 14 23:32:14 2020 +0100| [86a7b77b60488758e0c080882899c32c4a5ee017] | committer: Marton Balint

avformat/libsrt: small fixes in libsrt_neterrno()

Return os error code if available, check for both SRT_EASYNCRCV and
SRT_EASYNCSND when transforming them to EAGAIN and only display error if it is
not EAGAIN.

Signed-off-by: Marton Balint <cus at passwd.hu>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=86a7b77b60488758e0c080882899c32c4a5ee017
---

 libavformat/libsrt.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/libavformat/libsrt.c b/libavformat/libsrt.c
index 38d047ca88..c3c96b35e0 100644
--- a/libavformat/libsrt.c
+++ b/libavformat/libsrt.c
@@ -145,11 +145,12 @@ static const AVOption libsrt_options[] = {
 
 static int libsrt_neterrno(URLContext *h)
 {
-    int err = srt_getlasterror(NULL);
-    av_log(h, AV_LOG_ERROR, "%s\n", srt_getlasterror_str());
-    if (err == SRT_EASYNCRCV)
+    int os_errno;
+    int err = srt_getlasterror(&os_errno);
+    if (err == SRT_EASYNCRCV || err == SRT_EASYNCSND)
         return AVERROR(EAGAIN);
-    return AVERROR_UNKNOWN;
+    av_log(h, AV_LOG_ERROR, "%s\n", srt_getlasterror_str());
+    return os_errno ? AVERROR(os_errno) : AVERROR_UNKNOWN;
 }
 
 static int libsrt_socket_nonblock(int socket, int enable)