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hlsdemux: Make the m3u8 client thread-safe

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Youness Alaoui 2011-09-02 23:48:03 +00:00 committed by Sebastian Dröge
parent a82f92aed2
commit a252794a03
2 changed files with 46 additions and 10 deletions
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52
gst/hls/m3u8.c
View file

@ -389,6 +389,7 @@ gst_m3u8_client_new (const gchar * uri)
client->current = NULL;
client->sequence = -1;
client->update_failed_count = 0;
client->lock = g_mutex_new ();
gst_m3u8_set_uri (client->main, g_strdup (uri));
return client;
@ -400,6 +401,7 @@ gst_m3u8_client_free (GstM3U8Client * self)
g_return_if_fail (self != NULL);
gst_m3u8_free (self->main);
g_mutex_free (self->lock);
g_free (self);
}
@ -408,10 +410,12 @@ gst_m3u8_client_set_current (GstM3U8Client * self, GstM3U8 * m3u8)
{
g_return_if_fail (self != NULL);
GST_M3U8_CLIENT_LOCK (self);
if (m3u8 != self->current) {
self->current = m3u8;
self->update_failed_count = 0;
}
GST_M3U8_CLIENT_UNLOCK (self);
}
gboolean
@ -419,17 +423,19 @@ gst_m3u8_client_update (GstM3U8Client * self, gchar * data)
{
GstM3U8 *m3u8;
gboolean updated = FALSE;
gboolean ret = FALSE;
g_return_val_if_fail (self != NULL, FALSE);
GST_M3U8_CLIENT_LOCK (self);
m3u8 = self->current ? self->current : self->main;
if (!gst_m3u8_update (m3u8, data, &updated))
return FALSE;
goto out;
if (!updated) {
self->update_failed_count++;
return FALSE;
goto out;
}
/* select the first playlist, for now */
@ -447,7 +453,10 @@ gst_m3u8_client_update (GstM3U8Client * self, gchar * data)
GST_DEBUG ("Setting first sequence at %d", self->sequence);
}
return TRUE;
ret = TRUE;
out:
GST_M3U8_CLIENT_UNLOCK (self);
return ret;
}
static gboolean
@ -472,11 +481,14 @@ gst_m3u8_client_get_next_fragment (GstM3U8Client * client,
g_return_val_if_fail (client->current != NULL, FALSE);
g_return_val_if_fail (discontinuity != NULL, FALSE);
GST_M3U8_CLIENT_LOCK (client);
GST_DEBUG ("Looking for fragment %d", client->sequence);
l = g_list_find_custom (client->current->files, client,
(GCompareFunc) _find_next);
if (l == NULL)
if (l == NULL) {
GST_M3U8_CLIENT_UNLOCK (client);
return FALSE;
}
file = GST_M3U8_MEDIA_FILE (l->data);
@ -494,6 +506,7 @@ gst_m3u8_client_get_next_fragment (GstM3U8Client * client,
}
*timestamp *= GST_SECOND;
GST_M3U8_CLIENT_UNLOCK (client);
return TRUE;
}
@ -510,37 +523,56 @@ gst_m3u8_client_get_duration (GstM3U8Client * client)
g_return_val_if_fail (client != NULL, GST_CLOCK_TIME_NONE);
GST_M3U8_CLIENT_LOCK (client);
/* We can only get the duration for on-demand streams */
if (!client->current->endlist)
if (!client->current->endlist) {
GST_M3U8_CLIENT_UNLOCK (client);
return GST_CLOCK_TIME_NONE;
}
g_list_foreach (client->current->files, (GFunc) _sum_duration, &duration);
GST_M3U8_CLIENT_UNLOCK (client);
return duration * GST_SECOND;
}
const gchar *
gst_m3u8_client_get_uri (GstM3U8Client * client)
{
const gchar *uri;
g_return_val_if_fail (client != NULL, NULL);
return client->main->uri;
GST_M3U8_CLIENT_LOCK (client);
uri = client->main->uri;
GST_M3U8_CLIENT_UNLOCK (client);
return uri;
}
gboolean
gst_m3u8_client_has_variant_playlist (GstM3U8Client * client)
{
gboolean ret;
g_return_val_if_fail (client != NULL, FALSE);
return client->main->lists != NULL;
GST_M3U8_CLIENT_LOCK (client);
ret = (client->main->lists != NULL);
GST_M3U8_CLIENT_UNLOCK (client);
return ret;
}
gboolean
gst_m3u8_client_is_live (GstM3U8Client * client)
{
gboolean ret;
g_return_val_if_fail (client != NULL, FALSE);
GST_M3U8_CLIENT_LOCK (client);
if (!client->current || client->current->endlist)
return FALSE;
return TRUE;
ret = FALSE;
else
ret = TRUE;
GST_M3U8_CLIENT_UNLOCK (client);
return ret;
}

4
gst/hls/m3u8.h
View file

@ -32,6 +32,9 @@ typedef struct _GstM3U8Client GstM3U8Client;
#define GST_M3U8(m) ((GstM3U8*)m)
#define GST_M3U8_MEDIA_FILE(f) ((GstM3U8MediaFile*)f)
#define GST_M3U8_CLIENT_LOCK(c) g_mutex_lock (c->lock);
#define GST_M3U8_CLIENT_UNLOCK(c) g_mutex_unlock (c->lock);
struct _GstM3U8
{
gchar *uri;
@ -70,6 +73,7 @@ struct _GstM3U8Client
GstM3U8 *current;
guint update_failed_count;
gint sequence; /* the next sequence for this client */
GMutex *lock;
};