[FFmpeg-devel] [PATCH v2 1/8] avformat/tls: move whip specific init out of generic tls code

[Jack Lau]

> On Jul 7, 2025, at 02:36, Timo Rothenpieler <timo at rothenpieler.org> wrote:
> 
> ---
> libavformat/tls.c         |  9 ---------
> libavformat/tls_openssl.c | 12 ++++++++----
> libavformat/whip.c        |  5 +++++
> 3 files changed, 13 insertions(+), 13 deletions(-)
> 
> diff --git a/libavformat/tls.c b/libavformat/tls.c
> index c0adaf61ce..bd9c05e6dc 100644
> --- a/libavformat/tls.c
> +++ b/libavformat/tls.c
> @@ -141,15 +141,6 @@ int ff_tls_open_underlying(TLSShared *c, URLContext *parent, const char *uri, AV
>     ret = ffurl_open_whitelist(c->is_dtls ? &c->udp : &c->tcp, buf, AVIO_FLAG_READ_WRITE,
>                                &parent->interrupt_callback, options,
>                                parent->protocol_whitelist, parent->protocol_blacklist, parent);
> -    if (c->is_dtls) {
> -        if (ret < 0) {
> -            av_log(c, AV_LOG_ERROR, "Failed to open udp://%s:%d\n", c->underlying_host, port);
> -            return ret;
> -        }
> -        /* Make the socket non-blocking, set to READ and WRITE mode after connected */
> -        ff_socket_nonblock(ffurl_get_file_handle(c->udp), 1);
> -        c->udp->flags |= AVIO_FLAG_READ | AVIO_FLAG_NONBLOCK;
> -    }
>     return ret;
> }
> 
> diff --git a/libavformat/tls_openssl.c b/libavformat/tls_openssl.c
> index 08527418b0..0c76f110e3 100644
> --- a/libavformat/tls_openssl.c
> +++ b/libavformat/tls_openssl.c
> @@ -1128,14 +1128,16 @@ static int tls_write(URLContext *h, const uint8_t *buf, int size)
> 
> static int tls_get_file_handle(URLContext *h)
> {
> -    TLSContext *c = h->priv_data;
> -    return ffurl_get_file_handle(c->tls_shared.tcp);
> +    TLSContext *p = h->priv_data;
> +    TLSShared *c = &p->tls_shared;
> +    return ffurl_get_file_handle(c->is_dtls ? c->udp : c->tcp);
> }
> 
> static int tls_get_short_seek(URLContext *h)
> {
> -    TLSContext *s = h->priv_data;
> -    return ffurl_get_short_seek(s->tls_shared.tcp);
> +    TLSContext *p = h->priv_data;
> +    TLSShared *c = &p->tls_shared;
> +    return ffurl_get_short_seek(c->is_dtls ? c->udp : c->tcp);
> }
> 
> static const AVOption options[] = {
> @@ -1177,6 +1179,8 @@ const URLProtocol ff_dtls_protocol = {
>     .url_close      = dtls_close,
>     .url_read       = tls_read,
>     .url_write      = tls_write,
> +    .url_get_file_handle = tls_get_file_handle,
> +    .url_get_short_seek  = tls_get_short_seek,
>     .priv_data_size = sizeof(TLSContext),
>     .flags          = URL_PROTOCOL_FLAG_NETWORK,
>     .priv_data_class = &dtls_class,
> diff --git a/libavformat/whip.c b/libavformat/whip.c
> index 84d4c5a1f3..4ac76e79f2 100644
> --- a/libavformat/whip.c
> +++ b/libavformat/whip.c
> @@ -388,6 +388,11 @@ static av_cold int dtls_initialize(AVFormatContext *s)
>     WHIPContext *whip = s->priv_data;
>     /* reuse the udp created by whip */
>     ff_dtls_set_udp(whip->dtls_uc, whip->udp);
> +
> +    /* Make the socket non-blocking */
> +    ff_socket_nonblock(ffurl_get_file_handle(whip->dtls_uc), 1);
> +    whip->dtls_uc->flags |= AVIO_FLAG_NONBLOCK;
> +
I think it’s redundant since udp_connect function has set these already.
>     return 0;
> }
> 
> -- 
> 2.49.0
> 
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