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srt: Fix parameter types used for socket options

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The [SRT documentation][1] specifies exact types for the socket options.
Make sure we match these.

This reverts the linger workaround in commit 84f8dbd932
and extends srt_constant_params to support other types than int.

[1]: https://github.com/Haivision/srt/blob/master/docs/APISocketOptions.md

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1659>
This commit is contained in:
Jan Alexander Steffens (heftig) 2020-10-06 12:35:12 +02:00
parent 0a454191c0
commit 6b8c4a5f34
1 changed files with 30 additions and 28 deletions
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58
ext/srt/gstsrtobject.c
View file

@ -31,6 +31,8 @@
#include <gst/base/gstbasesink.h>
#include <gio/gnetworking.h>
#include <stdlib.h>
#include <stdbool.h>
#include <stdint.h>
GST_DEBUG_CATEGORY_EXTERN (gst_debug_srtobject);
#define GST_CAT_DEFAULT gst_debug_srtobject
@ -111,16 +113,24 @@ srt_caller_signal_removed (SRTCaller * caller, GstSRTObject * srtobject)
struct srt_constant_params
{
const gchar *name;
gint param;
gint val;
SRT_SOCKOPT param;
const void *val;
int val_len;
};
static struct srt_constant_params srt_params[] = {
{"SRTO_SNDSYN", SRTO_SNDSYN, 0}, /* 0: non-blocking */
{"SRTO_RCVSYN", SRTO_RCVSYN, 0}, /* 0: non-blocking */
{"SRTO_TSBPMODE", SRTO_TSBPDMODE, 1}, /* Timestamp-based Packet Delivery mode must be enabled */
{NULL, -1, -1},
static const bool bool_false = false;
static const bool bool_true = true;
static const struct linger no_linger = { 0, 0 };
/* *INDENT-OFF* */
static const struct srt_constant_params srt_params[] = {
{"SRTO_SNDSYN", SRTO_SNDSYN, &bool_false, sizeof bool_false}, /* non-blocking */
{"SRTO_RCVSYN", SRTO_RCVSYN, &bool_false, sizeof bool_false}, /* non-blocking */
{"SRTO_LINGER", SRTO_LINGER, &no_linger, sizeof no_linger}, /* no linger time */
{"SRTO_TSBPDMODE", SRTO_TSBPDMODE, &bool_true, sizeof bool_true}, /* Timestamp-based Packet Delivery mode must be enabled */
{NULL, -1, NULL, 0},
};
/* *INDENT-ON* */
static gint srt_init_refcount = 0;
@ -178,14 +188,13 @@ static gboolean
gst_srt_object_set_common_params (SRTSOCKET sock, GstSRTObject * srtobject,
GError ** error)
{
struct srt_constant_params *params = srt_params;
const struct srt_constant_params *params = srt_params;
const gchar *passphrase;
struct linger linger = { 0 };
GST_OBJECT_LOCK (srtobject->element);
for (; params->name != NULL; params++) {
if (srt_setsockopt (sock, 0, params->param, &params->val, sizeof (gint))) {
if (srt_setsockopt (sock, 0, params->param, params->val, params->val_len)) {
g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS,
"failed to set %s (reason: %s)", params->name,
srt_getlasterror_str ());
@ -193,17 +202,9 @@ gst_srt_object_set_common_params (SRTSOCKET sock, GstSRTObject * srtobject,
}
}
linger.l_onoff = 0; /* 0: non-blocking */
if (srt_setsockopt (sock, 0, SRTO_LINGER, (const char *) &linger,
sizeof (linger))) {
g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS,
"failed to set SRTO_LINGER (reason: %s)", srt_getlasterror_str ());
goto err;
}
passphrase = gst_structure_get_string (srtobject->parameters, "passphrase");
if (passphrase != NULL && passphrase[0] != '\0') {
gint pbkeylen;
int32_t pbkeylen;
if (srt_setsockopt (sock, 0, SRTO_PASSPHRASE, passphrase,
strlen (passphrase))) {
@ -217,7 +218,7 @@ gst_srt_object_set_common_params (SRTSOCKET sock, GstSRTObject * srtobject,
pbkeylen = GST_SRT_DEFAULT_PBKEYLEN;
}
if (srt_setsockopt (sock, 0, SRTO_PBKEYLEN, &pbkeylen, sizeof (int))) {
if (srt_setsockopt (sock, 0, SRTO_PBKEYLEN, &pbkeylen, sizeof pbkeylen)) {
g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS,
"failed to set pbkeylen (reason: %s)", srt_getlasterror_str ());
goto err;
@ -225,11 +226,11 @@ gst_srt_object_set_common_params (SRTSOCKET sock, GstSRTObject * srtobject,
}
{
int latency;
int32_t latency;
if (!gst_structure_get_int (srtobject->parameters, "latency", &latency))
latency = GST_SRT_DEFAULT_LATENCY;
if (srt_setsockopt (sock, 0, SRTO_LATENCY, &latency, sizeof (int))) {
if (srt_setsockopt (sock, 0, SRTO_LATENCY, &latency, sizeof latency)) {
g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS,
"failed to set latency (reason: %s)", srt_getlasterror_str ());
goto err;
@ -938,10 +939,11 @@ gst_srt_object_connect (GstSRTObject * srtobject, GCancellable * cancellable,
size_t sa_len, GError ** error)
{
SRTSOCKET sock;
gint option_val = -1;
gint sock_flags = SRT_EPOLL_ERR;
guint local_port = 0;
const gchar *local_address = NULL;
bool sender;
bool rendezvous;
sock = srt_socket (sa_family, SOCK_DGRAM, 0);
if (sock == SRT_INVALID_SOCK) {
@ -956,11 +958,11 @@ gst_srt_object_connect (GstSRTObject * srtobject, GCancellable * cancellable,
switch (gst_uri_handler_get_uri_type (GST_URI_HANDLER (srtobject->element))) {
case GST_URI_SRC:
option_val = 0;
sender = false;
sock_flags |= SRT_EPOLL_IN;
break;
case GST_URI_SINK:
option_val = 1;
sender = true;
sock_flags |= SRT_EPOLL_OUT;
break;
default:
@ -969,14 +971,14 @@ gst_srt_object_connect (GstSRTObject * srtobject, GCancellable * cancellable,
goto failed;
}
if (srt_setsockopt (sock, 0, SRTO_SENDER, &option_val, sizeof (gint))) {
if (srt_setsockopt (sock, 0, SRTO_SENDER, &sender, sizeof sender)) {
g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS, "%s",
srt_getlasterror_str ());
goto failed;
}
option_val = (connection_mode == GST_SRT_CONNECTION_MODE_RENDEZVOUS);
if (srt_setsockopt (sock, 0, SRTO_RENDEZVOUS, &option_val, sizeof (gint))) {
rendezvous = (connection_mode == GST_SRT_CONNECTION_MODE_RENDEZVOUS);
if (srt_setsockopt (sock, 0, SRTO_RENDEZVOUS, &rendezvous, sizeof rendezvous)) {
g_set_error (error, GST_LIBRARY_ERROR, GST_LIBRARY_ERROR_SETTINGS, "%s",
srt_getlasterror_str ());
goto failed;