Revert "WIP revert soup"

This reverts commit fdac3a7a23.

Was not supposed to be pushed but a local workaround for
https://bugzilla.gnome.org/show_bug.cgi?id=693911#c13

ext/soup/Makefile.am

@@ -4,8 +4,8 @@ libgstsouphttpsrc_la_SOURCES = gstsouphttpsrc.c gstsouphttpclientsink.c gstsoupu
 
 libgstsouphttpsrc_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) \
 	$(GST_CFLAGS) $(SOUP_CFLAGS) \
-	-DSOUP_VERSION_MIN_REQUIRED=SOUP_VERSION_2_26 \
-	-DSOUP_VERSION_MAX_ALLOWED=SOUP_DEPRECATED_IN_2_26
+	-DSOUP_VERSION_MIN_REQUIRED=SOUP_VERSION_2_48 \
+	-DSOUP_VERSION_MAX_ALLOWED=SOUP_DEPRECATED_IN_2_48
 libgstsouphttpsrc_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgsttag-@GST_API_VERSION@ $(GST_BASE_LIBS) $(SOUP_LIBS)
 libgstsouphttpsrc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
 libgstsouphttpsrc_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)

ext/soup/gstsouphttpclientsink.c

@@ -264,8 +264,10 @@ gst_soup_http_client_sink_reset (GstSoupHttpClientSink * souphttpsink)
 
   g_list_free_full (souphttpsink->streamheader_buffers,
       (GDestroyNotify) gst_buffer_unref);
+  souphttpsink->streamheader_buffers = NULL;
   g_list_free_full (souphttpsink->sent_buffers,
       (GDestroyNotify) gst_buffer_unref);
+  souphttpsink->sent_buffers = NULL;
 }
 
 static gboolean

ext/soup/gstsouphttpsrc.h

@@ -59,16 +59,9 @@ struct _GstSoupHTTPSrc {
   gchar *proxy_id;             /* Authentication user id for proxy URI. */
   gchar *proxy_pw;             /* Authentication user password for proxy URI. */
   gchar **cookies;             /* HTTP request cookies. */
-  GMainContext *context;       /* I/O context. */
-  GMainLoop *loop;             /* Event loop. */
   SoupSession *session;        /* Async context. */
-  GstSoupHTTPSrcSessionIOStatus session_io_status;
-                               /* Async I/O status. */
   SoupMessage *msg;            /* Request message. */
   GstFlowReturn ret;           /* Return code from callback. */
-  GstBuffer **outbuf;          /* Return buffer allocated by callback. */
-  gboolean interrupted;        /* Signal unlock(). */
-  gboolean retry;              /* Should attempt to reconnect. */
   gint retry_count;            /* Number of retries since we received data */
   gint max_retries;            /* Maximum number of retries */
   gchar *method;               /* HTTP method */
@@ -94,6 +87,13 @@ struct _GstSoupHTTPSrc {
   GTlsDatabase *tls_database;
   GTlsInteraction *tls_interaction;
 
+  GCancellable *cancellable;
+  GInputStream *input_stream;
+  gboolean has_pollable_interface;
+  gboolean have_data;
+  GMainContext *poll_context;
+  GSource *poll_source;
+
   /* Shoutcast/icecast metadata extraction handling. */
   gboolean iradio_mode;
   GstCaps *src_caps;
@@ -110,7 +110,7 @@ struct _GstSoupHTTPSrc {
   guint timeout;
 
   GMutex mutex;
-  GCond request_finished_cond;
+  GCond have_headers_cond;
 
   GstEvent *http_headers_event;
 };