Quoting Zhao Zhili (2021-05-27 17:34:55)
> It's useful for test client which pass streamid to ffmpeg/ffplay.
> For example, use ffmpeg to test streamid support in VLC:
> ./ffmpeg -v info -re -i foo.mp4 -c copy -f mpegts -mode listener
> srt://127.0.0.1:9000
> ./vlc srt://127.0.0.1:9000?streamid=foobar
> ---
> libavformat/libsrt.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/libavformat/libsrt.c b/libavformat/libsrt.c
> index c1e96f700e..6ea6c35c53 100644
> --- a/libavformat/libsrt.c
> +++ b/libavformat/libsrt.c
> @@ -143,6 +143,8 @@ static const AVOption libsrt_options[] = {
> { NULL }
> };
>
> +static int libsrt_getsockopt(URLContext *h, int fd, SRT_SOCKOPT optname,
> const char * optnamestr, void * optval, int * optlen);
Forward declarations should be avoided, when possible. Just move the
function declaration higher up.
> +
> static int libsrt_neterrno(URLContext *h)
> {
> int os_errno;
> @@ -224,6 +226,8 @@ static int libsrt_listen(int eid, int fd, const struct
> sockaddr *addr, socklen_t
> {
> int ret;
> int reuse = 1;
> + char streamid[512] = {};
> + int streamid_len = sizeof(streamid);
> if (srt_setsockopt(fd, SOL_SOCKET, SRTO_REUSEADDR, &reuse,
> sizeof(reuse))) {
> av_log(h, AV_LOG_WARNING, "setsockopt(SRTO_REUSEADDR) failed\n");
> }
> @@ -242,6 +246,8 @@ static int libsrt_listen(int eid, int fd, const struct
> sockaddr *addr, socklen_t
> return libsrt_neterrno(h);
> if (libsrt_socket_nonblock(ret, 1) < 0)
> av_log(h, AV_LOG_DEBUG, "libsrt_socket_nonblock failed\n");
> + if (!libsrt_getsockopt(h, ret, SRTO_STREAMID, "SRTO_STREAMID", streamid,
> &streamid_len))
> + av_log(h, AV_LOG_INFO, "accept streamid [%s], length %d\n",
> streamid, streamid_len);
This should be verbose or debug.
--
Anton Khirnov
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