On 12/24/2020 8:08 AM, Paul B Mahol wrote:
+typedef struct RISTContext {
+ const AVClass *class;
+
+ int profile;
+ int buffer_size;
+ int packet_size;
+ int log_level;
+ int encryption;
+ char *secret;
+
+ struct rist_logging_settings logging_settings;
+ struct rist_peer_config peer_config;
+
+ struct rist_peer *peer;
+ struct rist_ctx *rist_ctx;
+} RISTContext;
[...]
+static int librist_open(URLContext *h, const char *uri, int flags)
+{
+ RISTContext *s = h->priv_data;
+ struct rist_logging_settings *logging_settings = &s->logging_settings;
+ struct rist_peer_config *peer_config = &s->peer_config;
+ int ret;
+
+ ret = rist_logging_set(&logging_settings, s->log_level, log_cb, h, NULL,
NULL);
+ if (ret < 0)
+ return risterr2ret(ret);
+
+ if (flags & AVIO_FLAG_WRITE) {
+ ret = rist_sender_create(&s->rist_ctx, s->profile, 0,
logging_settings);
+ } else {
+ ret = rist_receiver_create(&s->rist_ctx, s->profile, logging_settings);
+ }
+ if (ret < 0)
+ goto err;
+
+ ret = rist_parse_address(uri, (const struct rist_peer_config
**)&peer_config);
+ if (ret < 0)
+ goto err;
Look at
https://code.videolan.org/rist/librist/-/blob/4fd217662cee398f4706c815958a1efe48b2093f/src/rist.c#L637
rist_parse_address() does not fill peer_config with default values if it
doesn't allocate it itself. It assumes it was allocated during a
previous call and not by the caller.
Unless the library provides a defaults()/reset() kind of function, it
doesn't look like you can really use your own rist_peer_config struct.
Can you talk with the devs about it? Or even just submit a PR yourself.
It should be very trivial to implement.
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