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gst: add 30 seconds timeout

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Add a timeout to all blocking wait operations so that we don't wait
forever but error out after 30 seconds.
This commit is contained in:
Wim Taymans 2021-09-16 10:05:58 +02:00
parent d04244abb9
commit 803763ed01
4 changed files with 46 additions and 6 deletions
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6
src/gst/gstpipewirecore.c
View file

@ -160,11 +160,15 @@ GstPipeWireCore *gst_pipewire_core_get (int fd)
static void do_sync(GstPipeWireCore * core)
{
struct timespec abstime;
core->pending_seq = pw_core_sync(core->core, 0, core->pending_seq);
pw_thread_loop_get_time (core->loop, &abstime,
GST_PIPEWIRE_DEFAULT_TIMEOUT * SPA_NSEC_PER_SEC);
while (true) {
if (core->last_seq == core->pending_seq || core->last_error < 0)
break;
pw_thread_loop_wait (core->loop);
if (pw_thread_loop_timed_wait_full (core->loop, &abstime) < 0)
break;
}
}

2
src/gst/gstpipewirecore.h
View file

@ -33,6 +33,8 @@ G_BEGIN_DECLS
typedef struct _GstPipeWireCore GstPipeWireCore;
#define GST_PIPEWIRE_DEFAULT_TIMEOUT 30
/**
* GstPipeWireCore:
*

9
src/gst/gstpipewiresink.c
View file

@ -510,6 +510,7 @@ gst_pipewire_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
guint size;
guint min_buffers;
guint max_buffers;
struct timespec abstime;
pwsink = GST_PIPEWIRE_SINK (bsink);
@ -536,6 +537,9 @@ gst_pipewire_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
(const struct spa_pod **) possible->pdata,
possible->len);
pw_thread_loop_get_time (pwsink->core->loop, &abstime,
GST_PIPEWIRE_DEFAULT_TIMEOUT * SPA_NSEC_PER_SEC);
while (TRUE) {
state = pw_stream_get_state (pwsink->stream, &error);
@ -545,7 +549,10 @@ gst_pipewire_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
if (state == PW_STREAM_STATE_ERROR)
goto start_error;
pw_thread_loop_wait (pwsink->core->loop);
if (pw_thread_loop_timed_wait_full (pwsink->core->loop, &abstime) < 0) {
error = "timeout";
goto start_error;
}
}
}
res = TRUE;

35
src/gst/gstpipewiresrc.c
View file

@ -559,9 +559,14 @@ static gboolean
gst_pipewire_src_stream_start (GstPipeWireSrc *pwsrc)
{
const char *error = NULL;
struct timespec abstime;
pw_thread_loop_lock (pwsrc->core->loop);
GST_DEBUG_OBJECT (pwsrc, "doing stream start");
pw_thread_loop_get_time (pwsrc->core->loop, &abstime,
GST_PIPEWIRE_DEFAULT_TIMEOUT * SPA_NSEC_PER_SEC);
while (TRUE) {
enum pw_stream_state state = pw_stream_get_state (pwsrc->stream, &error);
@ -577,7 +582,10 @@ gst_pipewire_src_stream_start (GstPipeWireSrc *pwsrc)
goto start_error;
}
pw_thread_loop_wait (pwsrc->core->loop);
if (pw_thread_loop_timed_wait_full (pwsrc->core->loop, &abstime) < 0) {
error = "timeout";
goto start_error;
}
}
parse_stream_properties (pwsrc, pw_stream_get_properties (pwsrc->stream));
@ -602,8 +610,13 @@ wait_started (GstPipeWireSrc *this)
{
enum pw_stream_state state;
const char *error = NULL;
struct timespec abstime;
pw_thread_loop_lock (this->core->loop);
pw_thread_loop_get_time (this->core->loop, &abstime,
GST_PIPEWIRE_DEFAULT_TIMEOUT * SPA_NSEC_PER_SEC);
while (TRUE) {
state = pw_stream_get_state (this->stream, &error);
@ -621,9 +634,13 @@ wait_started (GstPipeWireSrc *this)
if (this->started)
break;
pw_thread_loop_wait (this->core->loop);
if (pw_thread_loop_timed_wait_full (this->core->loop, &abstime) < 0) {
state = PW_STREAM_STATE_ERROR;
break;
}
}
GST_DEBUG_OBJECT (this, "got started signal");
GST_DEBUG_OBJECT (this, "got started signal: %s",
pw_stream_state_as_string (state));
pw_thread_loop_unlock (this->core->loop);
return state;
@ -639,6 +656,7 @@ gst_pipewire_src_negotiate (GstBaseSrc * basesrc)
gboolean result = FALSE;
GPtrArray *possible;
const char *error = NULL;
struct timespec abstime;
/* first see what is possible on our source pad */
thiscaps = gst_pad_query_caps (GST_BASE_SRC_PAD (basesrc), NULL);
@ -701,6 +719,9 @@ gst_pipewire_src_negotiate (GstBaseSrc * basesrc)
possible->len);
g_ptr_array_free (possible, TRUE);
pw_thread_loop_get_time (pwsrc->core->loop, &abstime,
GST_PIPEWIRE_DEFAULT_TIMEOUT * SPA_NSEC_PER_SEC);
while (TRUE) {
enum pw_stream_state state = pw_stream_get_state (pwsrc->stream, &error);
@ -711,7 +732,8 @@ gst_pipewire_src_negotiate (GstBaseSrc * basesrc)
if (pwsrc->negotiated)
break;
pw_thread_loop_wait (pwsrc->core->loop);
if (pw_thread_loop_timed_wait_full (pwsrc->core->loop, &abstime) < 0)
goto connect_error;
}
caps = pwsrc->caps;
pwsrc->caps = NULL;
@ -759,6 +781,7 @@ no_common_caps:
}
connect_error:
{
GST_DEBUG_OBJECT (basesrc, "connect error");
pw_thread_loop_unlock (pwsrc->core->loop);
return FALSE;
}
@ -1084,6 +1107,8 @@ gst_pipewire_src_open (GstPipeWireSrc * pwsrc)
{
struct pw_properties *props;
GST_DEBUG_OBJECT (pwsrc, "open");
pwsrc->core = gst_pipewire_core_get(pwsrc->fd);
if (pwsrc->core == NULL)
goto connect_error;
@ -1135,6 +1160,8 @@ gst_pipewire_src_close (GstPipeWireSrc * pwsrc)
{
pwsrc->last_time = gst_clock_get_time (pwsrc->clock);
GST_DEBUG_OBJECT (pwsrc, "close");
gst_element_post_message (GST_ELEMENT (pwsrc),
gst_message_new_clock_lost (GST_OBJECT_CAST (pwsrc), pwsrc->clock));