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srtobject: make possible to specify more sockopts in SRT URI
Any socket option that can be passed to libsrt's srt-live-transmit through SRT URI query string is now recognized. Also make the code that applies options to SRT sockets more generic. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1842>
This commit is contained in:
Jakub Adam
GStreamer Merge Bot
parent
5687b03438
commit
3c3e89304e
1 changed files with 173 additions and 55 deletions
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@ -133,6 +133,52 @@ static const struct srt_constant_params srt_params[] = {
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};
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/* *INDENT-ON* */
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typedef struct
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{
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const gchar *name;
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SRT_SOCKOPT opt;
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GType gtype;
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} SrtOption;
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SrtOption srt_options[] = {
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{"mss", SRTO_MSS, G_TYPE_INT},
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{"fc", SRTO_FC, G_TYPE_INT},
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{"sndbuf", SRTO_SNDBUF, G_TYPE_INT},
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{"rcvbuf", SRTO_RCVBUF, G_TYPE_INT},
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{"maxbw", SRTO_MAXBW, G_TYPE_INT64},
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{"tsbpdmode", SRTO_TSBPDMODE, G_TYPE_BOOLEAN},
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{"latency", SRTO_LATENCY, G_TYPE_INT},
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{"inputbw", SRTO_INPUTBW, G_TYPE_INT64},
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{"oheadbw", SRTO_OHEADBW, G_TYPE_INT},
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{"passphrase", SRTO_PASSPHRASE, G_TYPE_STRING},
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{"pbkeylen", SRTO_PBKEYLEN, G_TYPE_INT},
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{"ipttl", SRTO_IPTTL, G_TYPE_INT},
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{"iptos", SRTO_IPTOS, G_TYPE_INT},
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{"tlpktdrop", SRTO_TLPKTDROP, G_TYPE_BOOLEAN},
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{"snddropdelay", SRTO_SNDDROPDELAY, G_TYPE_INT},
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{"nakreport", SRTO_NAKREPORT, G_TYPE_BOOLEAN},
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{"conntimeo", SRTO_CONNTIMEO, G_TYPE_INT},
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{"drifttracer", SRTO_DRIFTTRACER, G_TYPE_BOOLEAN},
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{"lossmaxttl", SRTO_LOSSMAXTTL, G_TYPE_INT},
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{"rcvlatency", SRTO_RCVLATENCY, G_TYPE_INT},
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{"peerlatency", SRTO_PEERLATENCY, G_TYPE_INT},
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{"minversion", SRTO_MINVERSION, G_TYPE_INT},
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{"streamid", SRTO_STREAMID, G_TYPE_STRING},
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{"congestion", SRTO_CONGESTION, G_TYPE_STRING},
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{"messageapi", SRTO_MESSAGEAPI, G_TYPE_BOOLEAN},
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{"payloadsize", SRTO_PAYLOADSIZE, G_TYPE_INT},
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{"transtype", SRTO_TRANSTYPE, G_TYPE_INT},
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{"kmrefreshrate", SRTO_KMREFRESHRATE, G_TYPE_INT},
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{"kmpreannounce", SRTO_KMPREANNOUNCE, G_TYPE_INT},
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{"enforcedencryption", SRTO_ENFORCEDENCRYPTION, G_TYPE_BOOLEAN},
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{"ipv6only", SRTO_IPV6ONLY, G_TYPE_INT},
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{"peeridletimeo", SRTO_PEERIDLETIMEO, G_TYPE_INT},
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{"bindtodevice", SRTO_BINDTODEVICE, G_TYPE_STRING},
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{"packetfilter", SRTO_PACKETFILTER, G_TYPE_STRING},
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{"retransmitalgo", SRTO_RETRANSMITALGO, G_TYPE_INT},
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{NULL}
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};
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static gint srt_init_refcount = 0;
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static GSocketAddress *
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@ -185,12 +231,69 @@ name_resolve:
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}
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}
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static gboolean
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gst_srt_object_apply_socket_option (SRTSOCKET sock, SrtOption * option,
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const GValue * value, GError ** error)
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{
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union
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{
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int32_t i;
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int64_t i64;
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gboolean b;
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const gchar *c;
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} u;
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const void *optval = &u;
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gint optlen;
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if (!G_VALUE_HOLDS (value, option->gtype)) {
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goto bad_type;
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}
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switch (option->gtype) {
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case G_TYPE_INT:
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u.i = g_value_get_int (value);
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optlen = sizeof u.i;
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break;
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case G_TYPE_INT64:
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u.i64 = g_value_get_int64 (value);
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optlen = sizeof u.i64;
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break;
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case G_TYPE_BOOLEAN:
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u.b = g_value_get_boolean (value);
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optlen = sizeof u.b;
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break;
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case G_TYPE_STRING:
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u.c = g_value_get_string (value);
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optval = u.c;
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optlen = u.c ? strlen (u.c) : 0;
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if (optlen == 0) {
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return TRUE;
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}
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break;
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default:
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goto bad_type;
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}
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if (srt_setsockopt (sock, 0, option->opt, optval, optlen)) {
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g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS,
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"failed to set %s (reason: %s)", option->name, srt_getlasterror_str ());
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return FALSE;
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}
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return TRUE;
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bad_type:
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g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS,
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"option %s has unsupported type", option->name);
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return FALSE;
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}
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static gboolean
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gst_srt_object_set_common_params (SRTSOCKET sock, GstSRTObject * srtobject,
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GError ** error)
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{
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const struct srt_constant_params *params = srt_params;
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const gchar *passphrase;
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SrtOption *option = srt_options;
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GST_OBJECT_LOCK (srtobject->element);
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@ -203,51 +306,13 @@ gst_srt_object_set_common_params (SRTSOCKET sock, GstSRTObject * srtobject,
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}
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}
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passphrase = gst_structure_get_string (srtobject->parameters, "passphrase");
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if (passphrase != NULL && passphrase[0] != '\0') {
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int32_t pbkeylen;
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if (srt_setsockopt (sock, 0, SRTO_PASSPHRASE, passphrase,
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strlen (passphrase))) {
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g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS,
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"failed to set passphrase (reason: %s)", srt_getlasterror_str ());
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for (; option->name; ++option) {
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const GValue *val;
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val = gst_structure_get_value (srtobject->parameters, option->name);
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if (val && !gst_srt_object_apply_socket_option (sock, option, val, error)) {
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goto err;
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}
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if (!gst_structure_get_int (srtobject->parameters, "pbkeylen", &pbkeylen)) {
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pbkeylen = GST_SRT_DEFAULT_PBKEYLEN;
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}
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if (srt_setsockopt (sock, 0, SRTO_PBKEYLEN, &pbkeylen, sizeof pbkeylen)) {
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g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS,
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"failed to set pbkeylen (reason: %s)", srt_getlasterror_str ());
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goto err;
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}
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}
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{
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int32_t latency;
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if (!gst_structure_get_int (srtobject->parameters, "latency", &latency))
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latency = GST_SRT_DEFAULT_LATENCY;
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if (srt_setsockopt (sock, 0, SRTO_LATENCY, &latency, sizeof latency)) {
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g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS,
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"failed to set latency (reason: %s)", srt_getlasterror_str ());
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goto err;
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}
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}
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if (gst_structure_has_field (srtobject->parameters, "streamid")) {
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const gchar *streamid;
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streamid = gst_structure_get_string (srtobject->parameters, "streamid");
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if (streamid != NULL && streamid[0] != '\0') {
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if (srt_setsockopt (sock, 0, SRTO_STREAMID, streamid, strlen (streamid))) {
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g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS,
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"failed to set stream ID (reason: %s)", srt_getlasterror_str ());
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}
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}
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}
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GST_OBJECT_UNLOCK (srtobject->element);
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@ -339,7 +404,8 @@ gst_srt_object_set_property_helper (GstSRTObject * srtobject,
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gst_structure_set_value (srtobject->parameters, "passphrase", value);
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break;
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case PROP_PBKEYLEN:
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gst_structure_set_value (srtobject->parameters, "pbkeylen", value);
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gst_structure_set (srtobject->parameters, "pbkeylen", G_TYPE_INT,
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g_value_get_enum (value), NULL);
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break;
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case PROP_WAIT_FOR_CONNECTION:
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srtobject->wait_for_connection = g_value_get_boolean (value);
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@ -407,8 +473,8 @@ gst_srt_object_get_property_helper (GstSRTObject * srtobject,
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GstSRTKeyLength v;
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GST_OBJECT_LOCK (srtobject->element);
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if (!gst_structure_get_enum (srtobject->parameters, "pbkeylen",
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GST_TYPE_SRT_KEY_LENGTH, (gint *) & v)) {
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if (!gst_structure_get_int (srtobject->parameters, "pbkeylen",
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(gint *) & v)) {
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GST_WARNING_OBJECT (srtobject->element, "Failed to get 'pbkeylen'");
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v = GST_SRT_KEY_LENGTH_NO_KEY;
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}
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@ -659,6 +725,65 @@ gst_srt_object_set_int_value (GstStructure * s, const gchar * key,
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(gint) g_ascii_strtoll (value, NULL, 10), NULL);
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}
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static void
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gst_srt_object_set_int64_value (GstStructure * s, const gchar * key,
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const gchar * value)
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{
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gst_structure_set (s, key, G_TYPE_INT64,
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g_ascii_strtoll (value, NULL, 10), NULL);
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}
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static void
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gst_srt_object_set_boolean_value (GstStructure * s, const gchar * key,
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const gchar * value)
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{
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gboolean bool_val;
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static const gchar *true_names[] = {
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"1", "yes", "on", "true", NULL
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};
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static const gchar *false_names[] = {
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"0", "no", "off", "false", NULL
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};
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if (g_strv_contains (true_names, value)) {
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bool_val = TRUE;
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} else if (g_strv_contains (false_names, value)) {
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bool_val = FALSE;
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} else {
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return;
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}
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gst_structure_set (s, key, G_TYPE_BOOLEAN, bool_val, NULL);
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}
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static void
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gst_srt_object_set_socket_option (GstStructure * s, const gchar * key,
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const gchar * value)
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{
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SrtOption *option = srt_options;
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for (; option; ++option) {
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if (g_str_equal (key, option->name)) {
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switch (option->gtype) {
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case G_TYPE_INT:
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gst_srt_object_set_int_value (s, key, value);
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break;
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case G_TYPE_INT64:
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gst_srt_object_set_int64_value (s, key, value);
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break;
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case G_TYPE_STRING:
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gst_srt_object_set_string_value (s, key, value);
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break;
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case G_TYPE_BOOLEAN:
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gst_srt_object_set_boolean_value (s, key, value);
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break;
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}
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break;
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}
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}
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}
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static void
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gst_srt_object_validate_parameters (GstStructure * s, GstUri * uri)
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{
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@ -747,17 +872,10 @@ gst_srt_object_set_uri (GstSRTObject * srtobject, const gchar * uri,
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gst_srt_object_set_string_value (srtobject->parameters, key, value);
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} else if (!g_strcmp0 ("localport", key)) {
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gst_srt_object_set_uint_value (srtobject->parameters, key, value);
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} else if (!g_strcmp0 ("passphrase", key)) {
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gst_srt_object_set_string_value (srtobject->parameters, key, value);
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} else if (!g_strcmp0 ("pbkeylen", key)) {
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gst_srt_object_set_enum_value (srtobject->parameters,
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GST_TYPE_SRT_KEY_LENGTH, key, value);
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} else if (!g_strcmp0 ("streamid", key)) {
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gst_srt_object_set_string_value (srtobject->parameters, key, value);
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} else if (!g_strcmp0 ("latency", key)) {
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gst_srt_object_set_int_value (srtobject->parameters, key, value);
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} else if (!g_strcmp0 ("poll-timeout", key)) {
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gst_srt_object_set_int_value (srtobject->parameters, key, value);
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} else {
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gst_srt_object_set_socket_option (srtobject->parameters, key, value);
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}
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}
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