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gstreamer/ext/soup/gstsouphttpsrc.c
Sebastian Dröge edc7d9027e souphttpsrc: Add custom sticky event to contain the HTTP request and response headers 
This can be useful to e.g. get cookie information downstream.

https://bugzilla.gnome.org/show_bug.cgi?id=729707
2014-05-28 09:20:21 +02:00

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/* GStreamer
* Copyright (C) 2007-2008 Wouter Cloetens <wouter@mind.be>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more
*/
/**
* SECTION:element-souphttpsrc
*
* This plugin reads data from a remote location specified by a URI.
* Supported protocols are 'http', 'https'.
*
* An HTTP proxy must be specified by its URL.
* If the "http_proxy" environment variable is set, its value is used.
* If built with libsoup's GNOME integration features, the GNOME proxy
* configuration will be used, or failing that, proxy autodetection.
* The #GstSoupHTTPSrc:proxy property can be used to override the default.
*
* In case the #GstSoupHTTPSrc:iradio-mode property is set and the location is
* an HTTP resource, souphttpsrc will send special Icecast HTTP headers to the
* server to request additional Icecast meta-information.
* If the server is not an Icecast server, it will behave as if the
* #GstSoupHTTPSrc:iradio-mode property were not set. If it is, souphttpsrc will
* output data with a media type of application/x-icy, in which case you will
* need to use the #ICYDemux element as follow-up element to extract the Icecast
* metadata and to determine the underlying media type.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch-1.0 -v souphttpsrc location=https://some.server.org/index.html
* ! filesink location=/home/joe/server.html
* ]| The above pipeline reads a web page from a server using the HTTPS protocol
* and writes it to a local file.
* |[
* gst-launch-1.0 -v souphttpsrc user-agent="FooPlayer 0.99 beta"
* automatic-redirect=false proxy=http://proxy.intranet.local:8080
* location=http://music.foobar.com/demo.mp3 ! mad ! audioconvert
* ! audioresample ! alsasink
* ]| The above pipeline will read and decode and play an mp3 file from a
* web server using the HTTP protocol. If the server sends redirects,
* the request fails instead of following the redirect. The specified
* HTTP proxy server is used. The User-Agent HTTP request header
* is set to a custom string instead of "GStreamer souphttpsrc."
* |[
* gst-launch-1.0 -v souphttpsrc location=http://10.11.12.13/mjpeg
* do-timestamp=true ! multipartdemux
* ! image/jpeg,width=640,height=480 ! matroskamux
* ! filesink location=mjpeg.mkv
* ]| The above pipeline reads a motion JPEG stream from an IP camera
* using the HTTP protocol, encoded as mime/multipart image/jpeg
* parts, and writes a Matroska motion JPEG file. The width and
* height properties are set in the caps to provide the Matroska
* multiplexer with the information to set this in the header.
* Timestamps are set on the buffers as they arrive from the camera.
* These are used by the mime/multipart demultiplexer to emit timestamps
* on the JPEG-encoded video frame buffers. This allows the Matroska
* multiplexer to timestamp the frames in the resulting file.
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h> /* atoi() */
#endif
#include <gst/gstelement.h>
#include <gst/gst-i18n-plugin.h>
#include <libsoup/soup.h>
#include "gstsouphttpsrc.h"
#include "gstsouputils.h"
/* libsoup before 2.47.0 was stealing our main context from us,
* so we can't reliable use it to clean up all pending resources
* once we're done... let's just continue leaking on old versions.
* https://bugzilla.gnome.org/show_bug.cgi?id=663944
*/
#if defined(SOUP_MINOR_VERSION) && SOUP_MINOR_VERSION >= 47
#define LIBSOUP_DOES_NOT_STEAL_OUR_CONTEXT 1
#endif
#include <gst/tag/tag.h>
GST_DEBUG_CATEGORY_STATIC (souphttpsrc_debug);
#define GST_CAT_DEFAULT souphttpsrc_debug
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
enum
{
PROP_0,
PROP_LOCATION,
PROP_IS_LIVE,
PROP_USER_AGENT,
PROP_AUTOMATIC_REDIRECT,
PROP_PROXY,
PROP_USER_ID,
PROP_USER_PW,
PROP_PROXY_ID,
PROP_PROXY_PW,
PROP_COOKIES,
PROP_IRADIO_MODE,
PROP_TIMEOUT,
PROP_EXTRA_HEADERS,
PROP_SOUP_LOG_LEVEL,
PROP_COMPRESS,
PROP_KEEP_ALIVE,
PROP_SSL_STRICT,
PROP_SSL_CA_FILE,
PROP_SSL_USE_SYSTEM_CA_FILE,
PROP_RETRIES
};
#define DEFAULT_USER_AGENT "GStreamer souphttpsrc "
#define DEFAULT_IRADIO_MODE TRUE
#define DEFAULT_SOUP_LOG_LEVEL SOUP_LOGGER_LOG_HEADERS
#define DEFAULT_COMPRESS FALSE
#define DEFAULT_KEEP_ALIVE FALSE
#define DEFAULT_SSL_STRICT TRUE
#define DEFAULT_SSL_CA_FILE NULL
#define DEFAULT_SSL_USE_SYSTEM_CA_FILE TRUE
#define DEFAULT_TIMEOUT 15
#define DEFAULT_RETRIES 3
static void gst_soup_http_src_uri_handler_init (gpointer g_iface,
gpointer iface_data);
static void gst_soup_http_src_finalize (GObject * gobject);
static void gst_soup_http_src_dispose (GObject * gobject);
static void gst_soup_http_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_soup_http_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstStateChangeReturn gst_soup_http_src_change_state (GstElement *
element, GstStateChange transition);
static GstFlowReturn gst_soup_http_src_create (GstPushSrc * psrc,
GstBuffer ** outbuf);
static gboolean gst_soup_http_src_start (GstBaseSrc * bsrc);
static gboolean gst_soup_http_src_stop (GstBaseSrc * bsrc);
static gboolean gst_soup_http_src_get_size (GstBaseSrc * bsrc, guint64 * size);
static gboolean gst_soup_http_src_is_seekable (GstBaseSrc * bsrc);
static gboolean gst_soup_http_src_do_seek (GstBaseSrc * bsrc,
GstSegment * segment);
static gboolean gst_soup_http_src_query (GstBaseSrc * bsrc, GstQuery * query);
static gboolean gst_soup_http_src_unlock (GstBaseSrc * bsrc);
static gboolean gst_soup_http_src_unlock_stop (GstBaseSrc * bsrc);
static gboolean gst_soup_http_src_set_location (GstSoupHTTPSrc * src,
const gchar * uri, GError ** error);
static gboolean gst_soup_http_src_set_proxy (GstSoupHTTPSrc * src,
const gchar * uri);
static char *gst_soup_http_src_unicodify (const char *str);
static gboolean gst_soup_http_src_build_message (GstSoupHTTPSrc * src,
const gchar * method);
static void gst_soup_http_src_cancel_message (GstSoupHTTPSrc * src);
static void gst_soup_http_src_queue_message (GstSoupHTTPSrc * src);
static gboolean gst_soup_http_src_add_range_header (GstSoupHTTPSrc * src,
guint64 offset, guint64 stop_offset);
static void gst_soup_http_src_session_unpause_message (GstSoupHTTPSrc * src);
static void gst_soup_http_src_session_pause_message (GstSoupHTTPSrc * src);
static gboolean gst_soup_http_src_session_open (GstSoupHTTPSrc * src);
static void gst_soup_http_src_session_close (GstSoupHTTPSrc * src);
static void gst_soup_http_src_parse_status (SoupMessage * msg,
GstSoupHTTPSrc * src);
static void gst_soup_http_src_chunk_free (gpointer gstbuf);
static SoupBuffer *gst_soup_http_src_chunk_allocator (SoupMessage * msg,
gsize max_len, gpointer user_data);
static void gst_soup_http_src_got_chunk_cb (SoupMessage * msg,
SoupBuffer * chunk, GstSoupHTTPSrc * src);
static void gst_soup_http_src_response_cb (SoupSession * session,
SoupMessage * msg, GstSoupHTTPSrc * src);
static void gst_soup_http_src_got_headers_cb (SoupMessage * msg,
GstSoupHTTPSrc * src);
static void gst_soup_http_src_got_body_cb (SoupMessage * msg,
GstSoupHTTPSrc * src);
static void gst_soup_http_src_finished_cb (SoupMessage * msg,
GstSoupHTTPSrc * src);
static void gst_soup_http_src_authenticate_cb (SoupSession * session,
SoupMessage * msg, SoupAuth * auth, gboolean retrying,
GstSoupHTTPSrc * src);
#define gst_soup_http_src_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstSoupHTTPSrc, gst_soup_http_src, GST_TYPE_PUSH_SRC,
G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER,
gst_soup_http_src_uri_handler_init));
static void
gst_soup_http_src_class_init (GstSoupHTTPSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSrcClass *gstbasesrc_class;
GstPushSrcClass *gstpushsrc_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesrc_class = (GstBaseSrcClass *) klass;
gstpushsrc_class = (GstPushSrcClass *) klass;
gobject_class->set_property = gst_soup_http_src_set_property;
gobject_class->get_property = gst_soup_http_src_get_property;
gobject_class->finalize = gst_soup_http_src_finalize;
gobject_class->dispose = gst_soup_http_src_dispose;
g_object_class_install_property (gobject_class,
PROP_LOCATION,
g_param_spec_string ("location", "Location",
"Location to read from", "",
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_USER_AGENT,
g_param_spec_string ("user-agent", "User-Agent",
"Value of the User-Agent HTTP request header field",
DEFAULT_USER_AGENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_AUTOMATIC_REDIRECT,
g_param_spec_boolean ("automatic-redirect", "automatic-redirect",
"Automatically follow HTTP redirects (HTTP Status Code 3xx)",
TRUE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_PROXY,
g_param_spec_string ("proxy", "Proxy",
"HTTP proxy server URI", "",
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_USER_ID,
g_param_spec_string ("user-id", "user-id",
"HTTP location URI user id for authentication", "",
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_USER_PW,
g_param_spec_string ("user-pw", "user-pw",
"HTTP location URI user password for authentication", "",
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_PROXY_ID,
g_param_spec_string ("proxy-id", "proxy-id",
"HTTP proxy URI user id for authentication", "",
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_PROXY_PW,
g_param_spec_string ("proxy-pw", "proxy-pw",
"HTTP proxy URI user password for authentication", "",
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_COOKIES,
g_param_spec_boxed ("cookies", "Cookies", "HTTP request cookies",
G_TYPE_STRV, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_IS_LIVE,
g_param_spec_boolean ("is-live", "is-live", "Act like a live source",
FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_TIMEOUT,
g_param_spec_uint ("timeout", "timeout",
"Value in seconds to timeout a blocking I/O (0 = No timeout).", 0,
3600, DEFAULT_TIMEOUT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_EXTRA_HEADERS,
g_param_spec_boxed ("extra-headers", "Extra Headers",
"Extra headers to append to the HTTP request",
GST_TYPE_STRUCTURE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_IRADIO_MODE,
g_param_spec_boolean ("iradio-mode", "iradio-mode",
"Enable internet radio mode (ask server to send shoutcast/icecast "
"metadata interleaved with the actual stream data)",
DEFAULT_IRADIO_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstSoupHTTPSrc::http-log-level:
*
* If set and > 0, captures and dumps HTTP session data as
* log messages if log level >= GST_LEVEL_TRACE
*
* Since: 1.4
*/
g_object_class_install_property (gobject_class, PROP_SOUP_LOG_LEVEL,
g_param_spec_enum ("http-log-level", "HTTP log level",
"Set log level for soup's HTTP session log",
SOUP_TYPE_LOGGER_LOG_LEVEL, DEFAULT_SOUP_LOG_LEVEL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstSoupHTTPSrc::compress:
*
* If set to %TRUE, souphttpsrc will automatically handle gzip
* and deflate Content-Encodings. This does not make much difference
* and causes more load for normal media files, but makes a real
* difference in size for plaintext files.
*
* Since: 1.4
*/
g_object_class_install_property (gobject_class, PROP_COMPRESS,
g_param_spec_boolean ("compress", "Compress",
"Allow compressed content encodings",
DEFAULT_COMPRESS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstSoupHTTPSrc::keep-alive:
*
* If set to %TRUE, souphttpsrc will keep alive connections when being
* set to READY state and only will close connections when connecting
* to a different server or when going to NULL state..
*
* Since: 1.4
*/
g_object_class_install_property (gobject_class, PROP_KEEP_ALIVE,
g_param_spec_boolean ("keep-alive", "keep-alive",
"Use HTTP persistent connections", DEFAULT_KEEP_ALIVE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstSoupHTTPSrc::ssl-strict:
*
* If set to %TRUE, souphttpsrc will reject all SSL certificates that
* are considered invalid.
*
* Since: 1.4
*/
g_object_class_install_property (gobject_class, PROP_SSL_STRICT,
g_param_spec_boolean ("ssl-strict", "SSL Strict",
"Strict SSL certificate checking", DEFAULT_SSL_STRICT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstSoupHTTPSrc::ssl-ca-file:
*
* A SSL anchor CA file that should be used for checking certificates
* instead of the system CA file.
*
* Since: 1.4
*/
g_object_class_install_property (gobject_class, PROP_SSL_CA_FILE,
g_param_spec_string ("ssl-ca-file", "SSL CA File",
"Location of a SSL anchor CA file to use", DEFAULT_SSL_CA_FILE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstSoupHTTPSrc::ssl-use-system-ca-file:
*
* If set to %TRUE, souphttpsrc will use the system's CA file for
* checking certificates.
*
* Since: 1.4
*/
g_object_class_install_property (gobject_class, PROP_SSL_USE_SYSTEM_CA_FILE,
g_param_spec_boolean ("ssl-use-system-ca-file", "Use System CA File",
"Use system CA file", DEFAULT_SSL_USE_SYSTEM_CA_FILE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstSoupHTTPSrc::retries:
*
* Maximum number of retries until giving up.
*
* Since: 1.4
*/
g_object_class_install_property (gobject_class, PROP_RETRIES,
g_param_spec_int ("retries", "Retries",
"Maximum number of retries until giving up (-1=infinite)", -1,
G_MAXINT, DEFAULT_RETRIES,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&srctemplate));
gst_element_class_set_static_metadata (gstelement_class, "HTTP client source",
"Source/Network",
"Receive data as a client over the network via HTTP using SOUP",
"Wouter Cloetens <wouter@mind.be>");
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_soup_http_src_change_state);
gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_soup_http_src_start);
gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_soup_http_src_stop);
gstbasesrc_class->unlock = GST_DEBUG_FUNCPTR (gst_soup_http_src_unlock);
gstbasesrc_class->unlock_stop =
GST_DEBUG_FUNCPTR (gst_soup_http_src_unlock_stop);
gstbasesrc_class->get_size = GST_DEBUG_FUNCPTR (gst_soup_http_src_get_size);
gstbasesrc_class->is_seekable =
GST_DEBUG_FUNCPTR (gst_soup_http_src_is_seekable);
gstbasesrc_class->do_seek = GST_DEBUG_FUNCPTR (gst_soup_http_src_do_seek);
gstbasesrc_class->query = GST_DEBUG_FUNCPTR (gst_soup_http_src_query);
gstpushsrc_class->create = GST_DEBUG_FUNCPTR (gst_soup_http_src_create);
GST_DEBUG_CATEGORY_INIT (souphttpsrc_debug, "souphttpsrc", 0,
"SOUP HTTP src");
}
static void
gst_soup_http_src_reset (GstSoupHTTPSrc * src)
{
src->interrupted = FALSE;
src->retry = FALSE;
src->retry_count = 0;
src->have_size = FALSE;
src->got_headers = FALSE;
src->seekable = FALSE;
src->read_position = 0;
src->request_position = 0;
src->stop_position = -1;
src->content_size = 0;
src->have_body = FALSE;
src->ret = GST_FLOW_OK;
gst_caps_replace (&src->src_caps, NULL);
g_free (src->iradio_name);
src->iradio_name = NULL;
g_free (src->iradio_genre);
src->iradio_genre = NULL;
g_free (src->iradio_url);
src->iradio_url = NULL;
}
static void
gst_soup_http_src_init (GstSoupHTTPSrc * src)
{
const gchar *proxy;
g_mutex_init (&src->mutex);
g_cond_init (&src->request_finished_cond);
src->location = NULL;
src->redirection_uri = NULL;
src->automatic_redirect = TRUE;
src->user_agent = g_strdup (DEFAULT_USER_AGENT);
src->user_id = NULL;
src->user_pw = NULL;
src->proxy_id = NULL;
src->proxy_pw = NULL;
src->cookies = NULL;
src->iradio_mode = DEFAULT_IRADIO_MODE;
src->loop = NULL;
src->context = NULL;
src->session = NULL;
src->msg = NULL;
src->timeout = DEFAULT_TIMEOUT;
src->log_level = DEFAULT_SOUP_LOG_LEVEL;
src->ssl_strict = DEFAULT_SSL_STRICT;
src->ssl_use_system_ca_file = DEFAULT_SSL_USE_SYSTEM_CA_FILE;
src->max_retries = DEFAULT_RETRIES;
proxy = g_getenv ("http_proxy");
if (proxy && !gst_soup_http_src_set_proxy (src, proxy)) {
GST_WARNING_OBJECT (src,
"The proxy in the http_proxy env var (\"%s\") cannot be parsed.",
proxy);
}
gst_base_src_set_automatic_eos (GST_BASE_SRC (src), FALSE);
gst_soup_http_src_reset (src);
}
static void
gst_soup_http_src_dispose (GObject * gobject)
{
GstSoupHTTPSrc *src = GST_SOUP_HTTP_SRC (gobject);
GST_DEBUG_OBJECT (src, "dispose");
gst_soup_http_src_session_close (src);
G_OBJECT_CLASS (parent_class)->dispose (gobject);
}
static void
gst_soup_http_src_finalize (GObject * gobject)
{
GstSoupHTTPSrc *src = GST_SOUP_HTTP_SRC (gobject);
GST_DEBUG_OBJECT (src, "finalize");
g_mutex_clear (&src->mutex);
g_cond_clear (&src->request_finished_cond);
g_free (src->location);
if (src->redirection_uri) {
g_free (src->redirection_uri);
}
g_free (src->user_agent);
if (src->proxy != NULL) {
soup_uri_free (src->proxy);
}
g_free (src->user_id);
g_free (src->user_pw);
g_free (src->proxy_id);
g_free (src->proxy_pw);
g_strfreev (src->cookies);
if (src->extra_headers) {
gst_structure_free (src->extra_headers);
src->extra_headers = NULL;
}
g_free (src->ssl_ca_file);
G_OBJECT_CLASS (parent_class)->finalize (gobject);
}
static void
gst_soup_http_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSoupHTTPSrc *src = GST_SOUP_HTTP_SRC (object);
switch (prop_id) {
case PROP_LOCATION:
{
const gchar *location;
location = g_value_get_string (value);
if (location == NULL) {
GST_WARNING ("location property cannot be NULL");
goto done;
}
if (!gst_soup_http_src_set_location (src, location, NULL)) {
GST_WARNING ("badly formatted location");
goto done;
}
break;
}
case PROP_USER_AGENT:
if (src->user_agent)
g_free (src->user_agent);
src->user_agent = g_value_dup_string (value);
break;
case PROP_IRADIO_MODE:
src->iradio_mode = g_value_get_boolean (value);
break;
case PROP_AUTOMATIC_REDIRECT:
src->automatic_redirect = g_value_get_boolean (value);
break;
case PROP_PROXY:
{
const gchar *proxy;
proxy = g_value_get_string (value);
if (proxy == NULL) {
GST_WARNING ("proxy property cannot be NULL");
goto done;
}
if (!gst_soup_http_src_set_proxy (src, proxy)) {
GST_WARNING ("badly formatted proxy URI");
goto done;
}
break;
}
case PROP_COOKIES:
g_strfreev (src->cookies);
src->cookies = g_strdupv (g_value_get_boxed (value));
break;
case PROP_IS_LIVE:
gst_base_src_set_live (GST_BASE_SRC (src), g_value_get_boolean (value));
break;
case PROP_USER_ID:
if (src->user_id)
g_free (src->user_id);
src->user_id = g_value_dup_string (value);
break;
case PROP_USER_PW:
if (src->user_pw)
g_free (src->user_pw);
src->user_pw = g_value_dup_string (value);
break;
case PROP_PROXY_ID:
if (src->proxy_id)
g_free (src->proxy_id);
src->proxy_id = g_value_dup_string (value);
break;
case PROP_PROXY_PW:
if (src->proxy_pw)
g_free (src->proxy_pw);
src->proxy_pw = g_value_dup_string (value);
break;
case PROP_TIMEOUT:
src->timeout = g_value_get_uint (value);
break;
case PROP_EXTRA_HEADERS:{
const GstStructure *s = gst_value_get_structure (value);
if (src->extra_headers)
gst_structure_free (src->extra_headers);
src->extra_headers = s ? gst_structure_copy (s) : NULL;
break;
}
case PROP_SOUP_LOG_LEVEL:
src->log_level = g_value_get_enum (value);
break;
case PROP_COMPRESS:
src->compress = g_value_get_boolean (value);
break;
case PROP_KEEP_ALIVE:
src->keep_alive = g_value_get_boolean (value);
break;
case PROP_SSL_STRICT:
src->ssl_strict = g_value_get_boolean (value);
break;
case PROP_SSL_CA_FILE:
if (src->ssl_ca_file)
g_free (src->ssl_ca_file);
src->ssl_ca_file = g_value_dup_string (value);
break;
case PROP_SSL_USE_SYSTEM_CA_FILE:
src->ssl_use_system_ca_file = g_value_get_boolean (value);
break;
case PROP_RETRIES:
src->max_retries = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
done:
return;
}
static void
gst_soup_http_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstSoupHTTPSrc *src = GST_SOUP_HTTP_SRC (object);
switch (prop_id) {
case PROP_LOCATION:
g_value_set_string (value, src->location);
break;
case PROP_USER_AGENT:
g_value_set_string (value, src->user_agent);
break;
case PROP_AUTOMATIC_REDIRECT:
g_value_set_boolean (value, src->automatic_redirect);
break;
case PROP_PROXY:
if (src->proxy == NULL)
g_value_set_static_string (value, "");
else {
char *proxy = soup_uri_to_string (src->proxy, FALSE);
g_value_set_string (value, proxy);
g_free (proxy);
}
break;
case PROP_COOKIES:
g_value_set_boxed (value, g_strdupv (src->cookies));
break;
case PROP_IS_LIVE:
g_value_set_boolean (value, gst_base_src_is_live (GST_BASE_SRC (src)));
break;
case PROP_IRADIO_MODE:
g_value_set_boolean (value, src->iradio_mode);
break;
case PROP_USER_ID:
g_value_set_string (value, src->user_id);
break;
case PROP_USER_PW:
g_value_set_string (value, src->user_pw);
break;
case PROP_PROXY_ID:
g_value_set_string (value, src->proxy_id);
break;
case PROP_PROXY_PW:
g_value_set_string (value, src->proxy_pw);
break;
case PROP_TIMEOUT:
g_value_set_uint (value, src->timeout);
break;
case PROP_EXTRA_HEADERS:
gst_value_set_structure (value, src->extra_headers);
break;
case PROP_SOUP_LOG_LEVEL:
g_value_set_enum (value, src->log_level);
break;
case PROP_COMPRESS:
g_value_set_boolean (value, src->compress);
break;
case PROP_KEEP_ALIVE:
g_value_set_boolean (value, src->keep_alive);
break;
case PROP_SSL_STRICT:
g_value_set_boolean (value, src->ssl_strict);
break;
case PROP_SSL_CA_FILE:
g_value_set_string (value, src->ssl_ca_file);
break;
case PROP_SSL_USE_SYSTEM_CA_FILE:
g_value_set_boolean (value, src->ssl_strict);
break;
case PROP_RETRIES:
g_value_set_int (value, src->max_retries);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gchar *
gst_soup_http_src_unicodify (const gchar * str)
{
const gchar *env_vars[] = { "GST_ICY_TAG_ENCODING",
"GST_TAG_ENCODING", NULL
};
return gst_tag_freeform_string_to_utf8 (str, -1, env_vars);
}
static void
gst_soup_http_src_cancel_message (GstSoupHTTPSrc * src)
{
if (src->msg != NULL) {
GST_DEBUG_OBJECT (src, "Cancelling message");
src->session_io_status = GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_CANCELLED;
soup_session_cancel_message (src->session, src->msg, SOUP_STATUS_CANCELLED);
}
src->session_io_status = GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_IDLE;
src->msg = NULL;
}
static void
gst_soup_http_src_queue_message (GstSoupHTTPSrc * src)
{
soup_session_queue_message (src->session, src->msg,
(SoupSessionCallback) gst_soup_http_src_response_cb, src);
src->session_io_status = GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_QUEUED;
}
static gboolean
gst_soup_http_src_add_range_header (GstSoupHTTPSrc * src, guint64 offset,
guint64 stop_offset)
{
gchar buf[64];
gint rc;
soup_message_headers_remove (src->msg->request_headers, "Range");
if (offset || stop_offset != -1) {
if (stop_offset != -1) {
rc = g_snprintf (buf, sizeof (buf), "bytes=%" G_GUINT64_FORMAT "-%"
G_GUINT64_FORMAT, offset, stop_offset);
} else {
rc = g_snprintf (buf, sizeof (buf), "bytes=%" G_GUINT64_FORMAT "-",
offset);
}
if (rc > sizeof (buf) || rc < 0)
return FALSE;
soup_message_headers_append (src->msg->request_headers, "Range", buf);
}
src->read_position = offset;
return TRUE;
}
static gboolean
_append_extra_header (GQuark field_id, const GValue * value, gpointer user_data)
{
GstSoupHTTPSrc *src = GST_SOUP_HTTP_SRC (user_data);
const gchar *field_name = g_quark_to_string (field_id);
gchar *field_content = NULL;
if (G_VALUE_TYPE (value) == G_TYPE_STRING) {
field_content = g_value_dup_string (value);
} else {
GValue dest = { 0, };
g_value_init (&dest, G_TYPE_STRING);
if (g_value_transform (value, &dest)) {
field_content = g_value_dup_string (&dest);
}
}
if (field_content == NULL) {
GST_ERROR_OBJECT (src, "extra-headers field '%s' contains no value "
"or can't be converted to a string", field_name);
return FALSE;
}
GST_DEBUG_OBJECT (src, "Appending extra header: \"%s: %s\"", field_name,
field_content);
soup_message_headers_append (src->msg->request_headers, field_name,
field_content);
g_free (field_content);
return TRUE;
}
static gboolean
_append_extra_headers (GQuark field_id, const GValue * value,
gpointer user_data)
{
if (G_VALUE_TYPE (value) == GST_TYPE_ARRAY) {
guint n = gst_value_array_get_size (value);
guint i;
for (i = 0; i < n; i++) {
const GValue *v = gst_value_array_get_value (value, i);
if (!_append_extra_header (field_id, v, user_data))
return FALSE;
}
} else if (G_VALUE_TYPE (value) == GST_TYPE_LIST) {
guint n = gst_value_list_get_size (value);
guint i;
for (i = 0; i < n; i++) {
const GValue *v = gst_value_list_get_value (value, i);
if (!_append_extra_header (field_id, v, user_data))
return FALSE;
}
} else {
return _append_extra_header (field_id, value, user_data);
}
return TRUE;
}
static gboolean
gst_soup_http_src_add_extra_headers (GstSoupHTTPSrc * src)
{
if (!src->extra_headers)
return TRUE;
return gst_structure_foreach (src->extra_headers, _append_extra_headers, src);
}
static void
gst_soup_http_src_session_unpause_message (GstSoupHTTPSrc * src)
{
soup_session_unpause_message (src->session, src->msg);
}
static void
gst_soup_http_src_session_pause_message (GstSoupHTTPSrc * src)
{
soup_session_pause_message (src->session, src->msg);
}
static gboolean
gst_soup_http_src_session_open (GstSoupHTTPSrc * src)
{
if (src->session) {
GST_DEBUG_OBJECT (src, "Session is already open");
return TRUE;
}
if (!src->location) {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (_("No URL set.")),
("Missing location property"));
return FALSE;
}
if (!src->context)
src->context = g_main_context_new ();
if (!src->loop)
src->loop = g_main_loop_new (src->context, TRUE);
if (!src->loop) {
GST_ELEMENT_ERROR (src, LIBRARY, INIT,
(NULL), ("Failed to start GMainLoop"));
g_main_context_unref (src->context);
return FALSE;
}
if (!src->session) {
GST_DEBUG_OBJECT (src, "Creating session");
if (src->proxy == NULL) {
src->session =
soup_session_async_new_with_options (SOUP_SESSION_ASYNC_CONTEXT,
src->context, SOUP_SESSION_USER_AGENT, src->user_agent,
SOUP_SESSION_TIMEOUT, src->timeout,
SOUP_SESSION_SSL_STRICT, src->ssl_strict,
SOUP_SESSION_ADD_FEATURE_BY_TYPE, SOUP_TYPE_PROXY_RESOLVER_DEFAULT,
NULL);
} else {
src->session =
soup_session_async_new_with_options (SOUP_SESSION_ASYNC_CONTEXT,
src->context, SOUP_SESSION_PROXY_URI, src->proxy,
SOUP_SESSION_TIMEOUT, src->timeout,
SOUP_SESSION_SSL_STRICT, src->ssl_strict,
SOUP_SESSION_USER_AGENT, src->user_agent, NULL);
}
if (!src->session) {
GST_ELEMENT_ERROR (src, LIBRARY, INIT,
(NULL), ("Failed to create async session"));
return FALSE;
}
g_signal_connect (src->session, "authenticate",
G_CALLBACK (gst_soup_http_src_authenticate_cb), src);
/* Set up logging */
gst_soup_util_log_setup (src->session, src->log_level, GST_ELEMENT (src));
if (src->ssl_ca_file)
g_object_set (src->session, "ssl-ca-file", src->ssl_ca_file, NULL);
else
g_object_set (src->session, "ssl-use-system-ca-file",
src->ssl_use_system_ca_file, NULL);
} else {
GST_DEBUG_OBJECT (src, "Re-using session");
}
if (src->compress)
soup_session_add_feature_by_type (src->session, SOUP_TYPE_CONTENT_DECODER);
else
soup_session_remove_feature_by_type (src->session,
SOUP_TYPE_CONTENT_DECODER);
return TRUE;
}
#ifdef LIBSOUP_DOES_NOT_STEAL_OUR_CONTEXT
static gboolean
dummy_idle_cb (gpointer data)
{
return FALSE /* Idle source is removed */ ;
}
#endif
static void
gst_soup_http_src_session_close (GstSoupHTTPSrc * src)
{
GST_DEBUG_OBJECT (src, "Closing session");
if (src->loop)
g_main_loop_quit (src->loop);
g_mutex_lock (&src->mutex);
if (src->session) {
soup_session_abort (src->session); /* This unrefs the message. */
g_object_unref (src->session);
src->session = NULL;
src->msg = NULL;
}
if (src->loop) {
#ifdef LIBSOUP_DOES_NOT_STEAL_OUR_CONTEXT
GSource *idle_source;
/* Iterating the main context to give GIO cancellables a chance
* to initiate cleanups. Wihout this, resources allocated by
* libsoup for the connection are not released and socket fd is
* leaked. */
idle_source = g_idle_source_new ();
/* Suppressing "idle souce without callback" warning */
g_source_set_callback (idle_source, dummy_idle_cb, NULL, NULL);
g_source_set_priority (idle_source, G_PRIORITY_LOW);
g_source_attach (idle_source, src->context);
/* Acquiring the context. Idle source guarantees that we'll not block. */
g_main_context_push_thread_default (src->context);
g_main_context_iteration (src->context, TRUE);
/* Ensuring that there's no unhandled pending events left. */
while (g_main_context_iteration (src->context, FALSE));
g_main_context_pop_thread_default (src->context);
g_source_unref (idle_source);
#endif
g_main_loop_unref (src->loop);
g_main_context_unref (src->context);
src->loop = NULL;
src->context = NULL;
}
g_mutex_unlock (&src->mutex);
}
static void
gst_soup_http_src_authenticate_cb (SoupSession * session, SoupMessage * msg,
SoupAuth * auth, gboolean retrying, GstSoupHTTPSrc * src)
{
if (!retrying) {
/* First time authentication only, if we fail and are called again with retry true fall through */
if (msg->status_code == SOUP_STATUS_UNAUTHORIZED) {
if (src->user_id && src->user_pw)
soup_auth_authenticate (auth, src->user_id, src->user_pw);
} else if (msg->status_code == SOUP_STATUS_PROXY_AUTHENTICATION_REQUIRED) {
if (src->proxy_id && src->proxy_pw)
soup_auth_authenticate (auth, src->proxy_id, src->proxy_pw);
}
}
}
static void
insert_http_header (const gchar * name, const gchar * value, gpointer user_data)
{
GstStructure *headers = user_data;
const GValue *gv;
gv = gst_structure_get_value (headers, name);
if (gv && GST_VALUE_HOLDS_ARRAY (gv)) {
GValue v = G_VALUE_INIT;
g_value_init (&v, G_TYPE_STRING);
g_value_set_string (&v, value);
gst_value_array_append_value ((GValue *) gv, &v);
g_value_unset (&v);
} else if (gv && G_VALUE_HOLDS_STRING (gv)) {
GValue arr = G_VALUE_INIT;
GValue v = G_VALUE_INIT;
const gchar *old_value = g_value_get_string (gv);
g_value_init (&arr, GST_TYPE_ARRAY);
g_value_init (&v, G_TYPE_STRING);
g_value_set_string (&v, old_value);
gst_value_array_append_value (&arr, &v);
g_value_set_string (&v, value);
gst_value_array_append_value (&arr, &v);
gst_structure_set_value (headers, name, &arr);
g_value_unset (&v);
g_value_unset (&arr);
} else {
gst_structure_set (headers, name, G_TYPE_STRING, value, NULL);
}
}
static void
gst_soup_http_src_got_headers_cb (SoupMessage * msg, GstSoupHTTPSrc * src)
{
const char *value;
GstTagList *tag_list;
GstBaseSrc *basesrc;
guint64 newsize;
GHashTable *params = NULL;
GstEvent *http_headers_event;
GstStructure *http_headers, *headers;
GST_INFO_OBJECT (src, "got headers");
if (msg->status_code == SOUP_STATUS_PROXY_AUTHENTICATION_REQUIRED &&
src->proxy_id && src->proxy_pw)
return;
if (src->automatic_redirect && SOUP_STATUS_IS_REDIRECTION (msg->status_code)) {
src->redirection_uri = g_strdup (soup_message_headers_get_one
(msg->response_headers, "Location"));
src->redirection_permanent =
(msg->status_code == SOUP_STATUS_MOVED_PERMANENTLY);
GST_DEBUG_OBJECT (src, "%u redirect to \"%s\" (permanent %d)",
msg->status_code, src->redirection_uri, src->redirection_permanent);
return;
}
if (msg->status_code == SOUP_STATUS_UNAUTHORIZED)
return;
src->session_io_status = GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_RUNNING;
src->got_headers = TRUE;
http_headers = gst_structure_new_empty ("http-headers");
gst_structure_set (http_headers, "uri", G_TYPE_STRING, src->location, NULL);
if (src->redirection_uri)
gst_structure_set (http_headers, "redirection-uri", G_TYPE_STRING,
src->redirection_uri, NULL);
headers = gst_structure_new_empty ("request-headers");
soup_message_headers_foreach (msg->request_headers, insert_http_header,
headers);
gst_structure_set (http_headers, "request-headers", GST_TYPE_STRUCTURE,
headers, NULL);
gst_structure_free (headers);
headers = gst_structure_new_empty ("response-headers");
soup_message_headers_foreach (msg->response_headers, insert_http_header,
headers);
gst_structure_set (http_headers, "response-headers", GST_TYPE_STRUCTURE,
headers, NULL);
gst_structure_free (headers);
http_headers_event =
gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM_STICKY, http_headers);
gst_event_replace (&src->http_headers_event, http_headers_event);
gst_event_unref (http_headers_event);
/* Parse Content-Length. */
if (soup_message_headers_get_encoding (msg->response_headers) ==
SOUP_ENCODING_CONTENT_LENGTH) {
newsize = src->request_position +
soup_message_headers_get_content_length (msg->response_headers);
if (!src->have_size || (src->content_size != newsize)) {
src->content_size = newsize;
src->have_size = TRUE;
src->seekable = TRUE;
GST_DEBUG_OBJECT (src, "size = %" G_GUINT64_FORMAT, src->content_size);
basesrc = GST_BASE_SRC_CAST (src);
basesrc->segment.duration = src->content_size;
gst_element_post_message (GST_ELEMENT (src),
gst_message_new_duration_changed (GST_OBJECT (src)));
}
}
/* Icecast stuff */
tag_list = gst_tag_list_new_empty ();
if ((value =
soup_message_headers_get_one (msg->response_headers,
"icy-metaint")) != NULL) {
gint icy_metaint = atoi (value);
GST_DEBUG_OBJECT (src, "icy-metaint: %s (parsed: %d)", value, icy_metaint);
if (icy_metaint > 0) {
if (src->src_caps)
gst_caps_unref (src->src_caps);
src->src_caps = gst_caps_new_simple ("application/x-icy",
"metadata-interval", G_TYPE_INT, icy_metaint, NULL);
gst_base_src_set_caps (GST_BASE_SRC (src), src->src_caps);
}
}
if ((value =
soup_message_headers_get_content_type (msg->response_headers,
&params)) != NULL) {
GST_DEBUG_OBJECT (src, "Content-Type: %s", value);
if (g_ascii_strcasecmp (value, "audio/L16") == 0) {
gint channels = 2;
gint rate = 44100;
char *param;
if (src->src_caps)
gst_caps_unref (src->src_caps);
param = g_hash_table_lookup (params, "channels");
if (param != NULL)
channels = atol (param);
param = g_hash_table_lookup (params, "rate");
if (param != NULL)
rate = atol (param);
src->src_caps = gst_caps_new_simple ("audio/x-raw",
"format", G_TYPE_STRING, "S16BE",
"layout", G_TYPE_STRING, "interleaved",
"channels", G_TYPE_INT, channels, "rate", G_TYPE_INT, rate, NULL);
gst_base_src_set_caps (GST_BASE_SRC (src), src->src_caps);
} else {
/* Set the Content-Type field on the caps */
if (src->src_caps) {
src->src_caps = gst_caps_make_writable (src->src_caps);
gst_caps_set_simple (src->src_caps, "content-type", G_TYPE_STRING,
value, NULL);
gst_base_src_set_caps (GST_BASE_SRC (src), src->src_caps);
}
}
}
if (params != NULL)
g_hash_table_destroy (params);
if ((value =
soup_message_headers_get_one (msg->response_headers,
"icy-name")) != NULL) {
g_free (src->iradio_name);
src->iradio_name = gst_soup_http_src_unicodify (value);
if (src->iradio_name) {
gst_tag_list_add (tag_list, GST_TAG_MERGE_REPLACE, GST_TAG_ORGANIZATION,
src->iradio_name, NULL);
}
}
if ((value =
soup_message_headers_get_one (msg->response_headers,
"icy-genre")) != NULL) {
g_free (src->iradio_genre);
src->iradio_genre = gst_soup_http_src_unicodify (value);
if (src->iradio_genre) {
gst_tag_list_add (tag_list, GST_TAG_MERGE_REPLACE, GST_TAG_GENRE,
src->iradio_genre, NULL);
}
}
if ((value = soup_message_headers_get_one (msg->response_headers, "icy-url"))
!= NULL) {
g_free (src->iradio_url);
src->iradio_url = gst_soup_http_src_unicodify (value);
if (src->iradio_url) {
gst_tag_list_add (tag_list, GST_TAG_MERGE_REPLACE, GST_TAG_LOCATION,
src->iradio_url, NULL);
}
}
if (!gst_tag_list_is_empty (tag_list)) {
GST_DEBUG_OBJECT (src,
"calling gst_element_found_tags with %" GST_PTR_FORMAT, tag_list);
gst_pad_push_event (GST_BASE_SRC_PAD (src), gst_event_new_tag (tag_list));
} else {
gst_tag_list_unref (tag_list);
}
/* Handle HTTP errors. */
gst_soup_http_src_parse_status (msg, src);
/* Check if Range header was respected. */
if (src->ret == GST_FLOW_CUSTOM_ERROR &&
src->read_position && msg->status_code != SOUP_STATUS_PARTIAL_CONTENT) {
src->seekable = FALSE;
GST_ELEMENT_ERROR (src, RESOURCE, SEEK,
(_("Server does not support seeking.")),
("Server does not accept Range HTTP header, URL: %s", src->location));
src->ret = GST_FLOW_ERROR;
}
/* If we are going to error out, stop all processing right here, so we
* don't output any data (such as an error html page), and return
* GST_FLOW_ERROR from the create function instead of having
* got_chunk_cb overwrite src->ret with FLOW_OK again. */
if (src->ret == GST_FLOW_ERROR || src->ret == GST_FLOW_EOS) {
gst_soup_http_src_session_pause_message (src);
if (src->loop)
g_main_loop_quit (src->loop);
}
g_cond_signal (&src->request_finished_cond);
}
/* Have body. Signal EOS. */
static void
gst_soup_http_src_got_body_cb (SoupMessage * msg, GstSoupHTTPSrc * src)
{
if (G_UNLIKELY (msg != src->msg)) {
GST_DEBUG_OBJECT (src, "got body, but not for current message");
return;
}
if (G_UNLIKELY (src->session_io_status !=
GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_RUNNING)) {
/* Probably a redirect. */
return;
}
GST_DEBUG_OBJECT (src, "got body");
src->ret = GST_FLOW_EOS;
src->have_body = TRUE;
/* no need to interrupt the message here, we do it on the
* finished_cb anyway if needed. And getting the body might mean
* that the connection was hang up before finished. This happens when
* the pipeline is stalled for too long (long pauses during playback).
* Best to let it continue from here and pause because it reached the
* final bytes based on content_size or received an out of range error */
}
/* Finished. Signal EOS. */
static void
gst_soup_http_src_finished_cb (SoupMessage * msg, GstSoupHTTPSrc * src)
{
if (G_UNLIKELY (msg != src->msg)) {
GST_DEBUG_OBJECT (src, "finished, but not for current message");
return;
}
GST_DEBUG_OBJECT (src, "finished");
src->ret = GST_FLOW_EOS;
if (src->session_io_status == GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_CANCELLED) {
/* gst_soup_http_src_cancel_message() triggered this; probably a seek
* that occurred in the QUEUEING state; i.e. before the connection setup
* was complete. Do nothing */
GST_DEBUG_OBJECT (src, "cancelled");
} else if (src->session_io_status ==
GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_RUNNING && src->read_position > 0 &&
(src->have_size && src->read_position < src->content_size) &&
(src->max_retries == -1 || src->retry_count < src->max_retries)) {
/* The server disconnected while streaming. Reconnect and seeking to the
* last location. */
src->retry = TRUE;
src->retry_count++;
src->ret = GST_FLOW_CUSTOM_ERROR;
} else if (G_UNLIKELY (src->session_io_status !=
GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_RUNNING)) {
if (msg->method == SOUP_METHOD_HEAD) {
GST_DEBUG_OBJECT (src, "Ignoring error %d:%s during HEAD request",
msg->status_code, msg->reason_phrase);
} else {
gst_soup_http_src_parse_status (msg, src);
}
}
if (src->loop)
g_main_loop_quit (src->loop);
g_cond_signal (&src->request_finished_cond);
}
/* Buffer lifecycle management.
*
* gst_soup_http_src_create() runs the GMainLoop for this element, to let
* Soup take control.
* A GstBuffer is allocated in gst_soup_http_src_chunk_allocator() and
* associated with a SoupBuffer.
* Soup reads HTTP data in the GstBuffer's data buffer.
* The gst_soup_http_src_got_chunk_cb() is then called with the SoupBuffer.
* That sets gst_soup_http_src_create()'s return argument to the GstBuffer,
* increments its refcount (to 2), pauses the flow of data from the HTTP
* source to prevent gst_soup_http_src_got_chunk_cb() from being called
* again and breaks out of the GMainLoop.
* Because the SOUP_MESSAGE_OVERWRITE_CHUNKS flag is set, Soup frees the
* SoupBuffer and calls gst_soup_http_src_chunk_free(), which decrements the
* refcount (to 1).
* gst_soup_http_src_create() returns the GstBuffer. It will be freed by a
* downstream element.
* If Soup fails to read HTTP data, it does not call
* gst_soup_http_src_got_chunk_cb(), but still frees the SoupBuffer and
* calls gst_soup_http_src_chunk_free(), which decrements the GstBuffer's
* refcount to 0, freeing it.
*/
typedef struct
{
GstBuffer *buffer;
GstMapInfo map;
} SoupGstChunk;
static void
gst_soup_http_src_chunk_free (gpointer user_data)
{
SoupGstChunk *chunk = (SoupGstChunk *) user_data;
gst_buffer_unmap (chunk->buffer, &chunk->map);
gst_buffer_unref (chunk->buffer);
g_slice_free (SoupGstChunk, chunk);
}
static SoupBuffer *
gst_soup_http_src_chunk_allocator (SoupMessage * msg, gsize max_len,
gpointer user_data)
{
GstSoupHTTPSrc *src = (GstSoupHTTPSrc *) user_data;
GstBaseSrc *basesrc = GST_BASE_SRC_CAST (src);
GstBuffer *gstbuf;
SoupBuffer *soupbuf;
gsize length;
GstFlowReturn rc;
SoupGstChunk *chunk;
if (max_len)
length = MIN (basesrc->blocksize, max_len);
else
length = basesrc->blocksize;
GST_DEBUG_OBJECT (src, "alloc %" G_GSIZE_FORMAT " bytes <= %" G_GSIZE_FORMAT,
length, max_len);
rc = GST_BASE_SRC_CLASS (parent_class)->alloc (basesrc, -1, length, &gstbuf);
if (G_UNLIKELY (rc != GST_FLOW_OK)) {
/* Failed to allocate buffer. Stall SoupSession and return error code
* to create(). */
src->ret = rc;
g_main_loop_quit (src->loop);
return NULL;
}
chunk = g_slice_new0 (SoupGstChunk);
chunk->buffer = gstbuf;
gst_buffer_map (gstbuf, &chunk->map, GST_MAP_READWRITE);
soupbuf = soup_buffer_new_with_owner (chunk->map.data, chunk->map.size,
chunk, gst_soup_http_src_chunk_free);
return soupbuf;
}
static void
gst_soup_http_src_got_chunk_cb (SoupMessage * msg, SoupBuffer * chunk,
GstSoupHTTPSrc * src)
{
GstBaseSrc *basesrc;
guint64 new_position;
SoupGstChunk *gchunk;
if (G_UNLIKELY (msg != src->msg)) {
GST_DEBUG_OBJECT (src, "got chunk, but not for current message");
return;
}
if (G_UNLIKELY (!src->outbuf)) {
GST_DEBUG_OBJECT (src, "got chunk but we're not expecting one");
src->ret = GST_FLOW_OK;
gst_soup_http_src_cancel_message (src);
g_main_loop_quit (src->loop);
return;
}
/* We got data, reset the retry counter */
src->retry_count = 0;
src->have_body = FALSE;
if (G_UNLIKELY (src->session_io_status !=
GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_RUNNING)) {
/* Probably a redirect. */
return;
}
basesrc = GST_BASE_SRC_CAST (src);
GST_DEBUG_OBJECT (src, "got chunk of %" G_GSIZE_FORMAT " bytes",
chunk->length);
/* Extract the GstBuffer from the SoupBuffer and set its fields. */
gchunk = (SoupGstChunk *) soup_buffer_get_owner (chunk);
*src->outbuf = gchunk->buffer;
gst_buffer_resize (*src->outbuf, 0, chunk->length);
GST_BUFFER_OFFSET (*src->outbuf) = basesrc->segment.position;
gst_buffer_ref (*src->outbuf);
new_position = src->read_position + chunk->length;
if (G_LIKELY (src->request_position == src->read_position))
src->request_position = new_position;
src->read_position = new_position;
if (src->have_size) {
if (new_position > src->content_size) {
GST_DEBUG_OBJECT (src, "Got position previous estimated content size "
"(%" G_GINT64_FORMAT " > %" G_GINT64_FORMAT ")", new_position,
src->content_size);
src->content_size = new_position;
basesrc->segment.duration = src->content_size;
gst_element_post_message (GST_ELEMENT (src),
gst_message_new_duration_changed (GST_OBJECT (src)));
} else if (new_position == src->content_size) {
GST_DEBUG_OBJECT (src, "We're EOS now");
}
}
src->ret = GST_FLOW_OK;
g_main_loop_quit (src->loop);
gst_soup_http_src_session_pause_message (src);
}
static void
gst_soup_http_src_response_cb (SoupSession * session, SoupMessage * msg,
GstSoupHTTPSrc * src)
{
if (G_UNLIKELY (msg != src->msg)) {
GST_DEBUG_OBJECT (src, "got response %d: %s, but not for current message",
msg->status_code, msg->reason_phrase);
return;
}
if (G_UNLIKELY (src->session_io_status !=
GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_RUNNING)
&& SOUP_STATUS_IS_REDIRECTION (msg->status_code)) {
/* Ignore redirections. */
return;
}
GST_DEBUG_OBJECT (src, "got response %d: %s", msg->status_code,
msg->reason_phrase);
if (src->session_io_status == GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_RUNNING &&
src->read_position > 0 && (src->have_size
&& src->read_position < src->content_size) &&
(src->max_retries == -1 || src->retry_count < src->max_retries)) {
/* The server disconnected while streaming. Reconnect and seeking to the
* last location. */
src->retry = TRUE;
src->retry_count++;
} else {
gst_soup_http_src_parse_status (msg, src);
}
/* The session's SoupMessage object expires after this callback returns. */
src->msg = NULL;
g_main_loop_quit (src->loop);
}
#define SOUP_HTTP_SRC_ERROR(src,soup_msg,cat,code,error_message) \
GST_ELEMENT_ERROR ((src), cat, code, ("%s", error_message), \
("%s (%d), URL: %s", (soup_msg)->reason_phrase, \
(soup_msg)->status_code, (src)->location));
static void
gst_soup_http_src_parse_status (SoupMessage * msg, GstSoupHTTPSrc * src)
{
if (msg->method == SOUP_METHOD_HEAD) {
if (!SOUP_STATUS_IS_SUCCESSFUL (msg->status_code))
GST_DEBUG_OBJECT (src, "Ignoring error %d during HEAD request",
msg->status_code);
} else if (SOUP_STATUS_IS_TRANSPORT_ERROR (msg->status_code)) {
switch (msg->status_code) {
case SOUP_STATUS_CANT_RESOLVE:
case SOUP_STATUS_CANT_RESOLVE_PROXY:
SOUP_HTTP_SRC_ERROR (src, msg, RESOURCE, NOT_FOUND,
_("Could not resolve server name."));
src->ret = GST_FLOW_ERROR;
break;
case SOUP_STATUS_CANT_CONNECT:
case SOUP_STATUS_CANT_CONNECT_PROXY:
SOUP_HTTP_SRC_ERROR (src, msg, RESOURCE, OPEN_READ,
_("Could not establish connection to server."));
src->ret = GST_FLOW_ERROR;
break;
case SOUP_STATUS_SSL_FAILED:
SOUP_HTTP_SRC_ERROR (src, msg, RESOURCE, OPEN_READ,
_("Secure connection setup failed."));
src->ret = GST_FLOW_ERROR;
break;
case SOUP_STATUS_IO_ERROR:
if (src->max_retries == -1 || src->retry_count < src->max_retries) {
src->retry = TRUE;
src->retry_count++;
src->ret = GST_FLOW_CUSTOM_ERROR;
} else {
SOUP_HTTP_SRC_ERROR (src, msg, RESOURCE, READ,
_("A network error occured, or the server closed the connection "
"unexpectedly."));
src->ret = GST_FLOW_ERROR;
}
break;
case SOUP_STATUS_MALFORMED:
SOUP_HTTP_SRC_ERROR (src, msg, RESOURCE, READ,
_("Server sent bad data."));
src->ret = GST_FLOW_ERROR;
break;
case SOUP_STATUS_CANCELLED:
/* No error message when interrupted by program. */
break;
}
} else if (SOUP_STATUS_IS_CLIENT_ERROR (msg->status_code) ||
SOUP_STATUS_IS_REDIRECTION (msg->status_code) ||
SOUP_STATUS_IS_SERVER_ERROR (msg->status_code)) {
/* Report HTTP error. */
/* when content_size is unknown and we have just finished receiving
* a body message, requests that go beyond the content limits will result
* in an error. Here we convert those to EOS */
if (msg->status_code == SOUP_STATUS_REQUESTED_RANGE_NOT_SATISFIABLE &&
src->have_body && !src->have_size) {
GST_DEBUG_OBJECT (src, "Requested range out of limits and received full "
"body, returning EOS");
src->ret = GST_FLOW_EOS;
return;
}
/* FIXME: reason_phrase is not translated and not suitable for user
* error dialog according to libsoup documentation.
*/
if (msg->status_code == SOUP_STATUS_NOT_FOUND) {
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND,
("%s", msg->reason_phrase),
("%s (%d), URL: %s", msg->reason_phrase, msg->status_code,
src->location));
} else if (msg->status_code == SOUP_STATUS_UNAUTHORIZED ||
msg->status_code == SOUP_STATUS_PAYMENT_REQUIRED ||
msg->status_code == SOUP_STATUS_FORBIDDEN ||
msg->status_code == SOUP_STATUS_PROXY_AUTHENTICATION_REQUIRED) {
GST_ELEMENT_ERROR (src, RESOURCE, NOT_AUTHORIZED,
("%s", msg->reason_phrase),
("%s (%d), URL: %s", msg->reason_phrase, msg->status_code,
src->location));
} else {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
("%s", msg->reason_phrase),
("%s (%d), URL: %s", msg->reason_phrase, msg->status_code,
src->location));
}
src->ret = GST_FLOW_ERROR;
}
}
static gboolean
gst_soup_http_src_build_message (GstSoupHTTPSrc * src, const gchar * method)
{
g_return_val_if_fail (src->msg == NULL, FALSE);
src->msg = soup_message_new (method, src->location);
if (!src->msg) {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
("Error parsing URL."), ("URL: %s", src->location));
return FALSE;
}
src->session_io_status = GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_IDLE;
if (!src->keep_alive) {
soup_message_headers_append (src->msg->request_headers, "Connection",
"close");
}
if (src->iradio_mode) {
soup_message_headers_append (src->msg->request_headers, "icy-metadata",
"1");
}
if (src->cookies) {
gchar **cookie;
for (cookie = src->cookies; *cookie != NULL; cookie++) {
soup_message_headers_append (src->msg->request_headers, "Cookie",
*cookie);
}
}
src->retry = FALSE;
g_signal_connect (src->msg, "got_headers",
G_CALLBACK (gst_soup_http_src_got_headers_cb), src);
g_signal_connect (src->msg, "got_body",
G_CALLBACK (gst_soup_http_src_got_body_cb), src);
g_signal_connect (src->msg, "finished",
G_CALLBACK (gst_soup_http_src_finished_cb), src);
g_signal_connect (src->msg, "got_chunk",
G_CALLBACK (gst_soup_http_src_got_chunk_cb), src);
soup_message_set_flags (src->msg, SOUP_MESSAGE_OVERWRITE_CHUNKS |
(src->automatic_redirect ? 0 : SOUP_MESSAGE_NO_REDIRECT));
soup_message_set_chunk_allocator (src->msg,
gst_soup_http_src_chunk_allocator, src, NULL);
gst_soup_http_src_add_range_header (src, src->request_position,
src->stop_position);
gst_soup_http_src_add_extra_headers (src);
return TRUE;
}
static GstFlowReturn
gst_soup_http_src_do_request (GstSoupHTTPSrc * src, const gchar * method,
GstBuffer ** outbuf)
{
/* If we're not OK, just go out of here */
if (src->ret != GST_FLOW_OK) {
GST_DEBUG_OBJECT (src, "Previous flow return not OK: %s",
gst_flow_get_name (src->ret));
return src->ret;
}
GST_LOG_OBJECT (src, "Running request for method: %s", method);
if (src->msg && (src->request_position != src->read_position)) {
if (src->session_io_status == GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_IDLE) {
gst_soup_http_src_add_range_header (src, src->request_position,
src->stop_position);
} else {
GST_DEBUG_OBJECT (src, "Seek from position %" G_GUINT64_FORMAT
" to %" G_GUINT64_FORMAT ": requeueing connection request",
src->read_position, src->request_position);
gst_soup_http_src_cancel_message (src);
}
}
if (!src->msg)
if (!gst_soup_http_src_build_message (src, method)) {
return GST_FLOW_ERROR;
}
src->ret = GST_FLOW_CUSTOM_ERROR;
src->outbuf = outbuf;
do {
if (src->interrupted) {
GST_DEBUG_OBJECT (src, "interrupted");
src->ret = GST_FLOW_FLUSHING;
break;
}
if (src->retry) {
GST_DEBUG_OBJECT (src, "Reconnecting");
if (!gst_soup_http_src_build_message (src, method)) {
return GST_FLOW_ERROR;
}
src->retry = FALSE;
continue;
}
if (!src->msg) {
GST_DEBUG_OBJECT (src, "EOS reached");
break;
}
switch (src->session_io_status) {
case GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_IDLE:
GST_DEBUG_OBJECT (src, "Queueing connection request");
gst_soup_http_src_queue_message (src);
break;
case GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_QUEUED:
break;
case GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_RUNNING:
gst_soup_http_src_session_unpause_message (src);
break;
case GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_CANCELLED:
/* Impossible. */
break;
}
if (src->ret == GST_FLOW_CUSTOM_ERROR) {
g_main_context_push_thread_default (src->context);
g_main_loop_run (src->loop);
g_main_context_pop_thread_default (src->context);
}
} while (src->ret == GST_FLOW_CUSTOM_ERROR);
/* Let the request finish if we had a stop position and are there */
if (src->ret == GST_FLOW_OK && src->stop_position != -1
&& src->read_position >= src->stop_position) {
src->outbuf = NULL;
gst_soup_http_src_session_unpause_message (src);
g_main_context_push_thread_default (src->context);
g_main_loop_run (src->loop);
g_main_context_pop_thread_default (src->context);
g_cond_signal (&src->request_finished_cond);
/* Return OK unconditionally here, src->ret will
* be most likely be EOS now but we want to
* consume the buffer we got above */
return GST_FLOW_OK;
}
if (src->ret == GST_FLOW_CUSTOM_ERROR)
src->ret = GST_FLOW_EOS;
g_cond_signal (&src->request_finished_cond);
return src->ret;
}
static GstFlowReturn
gst_soup_http_src_create (GstPushSrc * psrc, GstBuffer ** outbuf)
{
GstSoupHTTPSrc *src;
GstFlowReturn ret;
GstEvent *http_headers_event;
src = GST_SOUP_HTTP_SRC (psrc);
g_mutex_lock (&src->mutex);
*outbuf = NULL;
ret = gst_soup_http_src_do_request (src, SOUP_METHOD_GET, outbuf);
http_headers_event = src->http_headers_event;
src->http_headers_event = NULL;
g_mutex_unlock (&src->mutex);
if (http_headers_event)
gst_pad_push_event (GST_BASE_SRC_PAD (src), http_headers_event);
return ret;
}
static gboolean
gst_soup_http_src_start (GstBaseSrc * bsrc)
{
GstSoupHTTPSrc *src = GST_SOUP_HTTP_SRC (bsrc);
GST_DEBUG_OBJECT (src, "start(\"%s\")", src->location);
return gst_soup_http_src_session_open (src);
}
static gboolean
gst_soup_http_src_stop (GstBaseSrc * bsrc)
{
GstSoupHTTPSrc *src;
src = GST_SOUP_HTTP_SRC (bsrc);
GST_DEBUG_OBJECT (src, "stop()");
if (src->keep_alive && !src->msg)
gst_soup_http_src_cancel_message (src);
else
gst_soup_http_src_session_close (src);
gst_soup_http_src_reset (src);
return TRUE;
}
static GstStateChangeReturn
gst_soup_http_src_change_state (GstElement * element, GstStateChange transition)
{
GstStateChangeReturn ret;
GstSoupHTTPSrc *src;
src = GST_SOUP_HTTP_SRC (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_NULL:
gst_soup_http_src_session_close (src);
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
return ret;
}
/* Interrupt a blocking request. */
static gboolean
gst_soup_http_src_unlock (GstBaseSrc * bsrc)
{
GstSoupHTTPSrc *src;
src = GST_SOUP_HTTP_SRC (bsrc);
GST_DEBUG_OBJECT (src, "unlock()");
src->interrupted = TRUE;
src->ret = GST_FLOW_FLUSHING;
if (src->loop)
g_main_loop_quit (src->loop);
g_cond_signal (&src->request_finished_cond);
return TRUE;
}
/* Interrupt interrupt. */
static gboolean
gst_soup_http_src_unlock_stop (GstBaseSrc * bsrc)
{
GstSoupHTTPSrc *src;
src = GST_SOUP_HTTP_SRC (bsrc);
GST_DEBUG_OBJECT (src, "unlock_stop()");
src->interrupted = FALSE;
src->ret = GST_FLOW_OK;
return TRUE;
}
static gboolean
gst_soup_http_src_get_size (GstBaseSrc * bsrc, guint64 * size)
{
GstSoupHTTPSrc *src;
src = GST_SOUP_HTTP_SRC (bsrc);
if (src->have_size) {
GST_DEBUG_OBJECT (src, "get_size() = %" G_GUINT64_FORMAT,
src->content_size);
*size = src->content_size;
return TRUE;
}
GST_DEBUG_OBJECT (src, "get_size() = FALSE");
return FALSE;
}
static void
gst_soup_http_src_check_seekable (GstSoupHTTPSrc * src)
{
GstFlowReturn ret = GST_FLOW_OK;
/* Special case to check if the server allows range requests
* before really starting to get data in the buffer creation
* loops.
*/
if (!src->got_headers && GST_STATE (src) >= GST_STATE_PAUSED) {
g_mutex_lock (&src->mutex);
while (!src->got_headers && !src->interrupted && ret == GST_FLOW_OK) {
if ((src->msg && src->msg->method != SOUP_METHOD_HEAD) &&
src->session_io_status != GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_IDLE) {
/* wait for the current request to finish */
g_cond_wait (&src->request_finished_cond, &src->mutex);
} else {
if (gst_soup_http_src_session_open (src)) {
ret = gst_soup_http_src_do_request (src, SOUP_METHOD_HEAD, NULL);
}
}
}
if (src->ret == GST_FLOW_EOS) {
/* A HEAD request shouldn't lead to EOS */
src->ret = GST_FLOW_OK;
}
/* resets status to idle */
gst_soup_http_src_cancel_message (src);
g_mutex_unlock (&src->mutex);
}
}
static gboolean
gst_soup_http_src_is_seekable (GstBaseSrc * bsrc)
{
GstSoupHTTPSrc *src = GST_SOUP_HTTP_SRC (bsrc);
gst_soup_http_src_check_seekable (src);
return src->seekable;
}
static gboolean
gst_soup_http_src_do_seek (GstBaseSrc * bsrc, GstSegment * segment)
{
GstSoupHTTPSrc *src = GST_SOUP_HTTP_SRC (bsrc);
GST_DEBUG_OBJECT (src, "do_seek(%" G_GUINT64_FORMAT "-%" G_GUINT64_FORMAT
")", segment->start, segment->stop);
if (src->read_position == segment->start &&
src->request_position == src->read_position &&
src->stop_position == segment->stop) {
GST_DEBUG_OBJECT (src,
"Seek to current read/end position and no seek pending");
return TRUE;
}
gst_soup_http_src_check_seekable (src);
/* If we have no headers we don't know yet if it is seekable or not.
* Store the start position and error out later if it isn't */
if (src->got_headers && !src->seekable) {
GST_WARNING_OBJECT (src, "Not seekable");
return FALSE;
}
if (segment->rate < 0.0 || segment->format != GST_FORMAT_BYTES) {
GST_WARNING_OBJECT (src, "Invalid seek segment");
return FALSE;
}
if (src->have_size && segment->start >= src->content_size) {
GST_WARNING_OBJECT (src,
"Potentially seeking behind end of file, might EOS immediately");
}
/* Wait for create() to handle the jump in offset. */
src->request_position = segment->start;
src->stop_position = segment->stop;
return TRUE;
}
static gboolean
gst_soup_http_src_query (GstBaseSrc * bsrc, GstQuery * query)
{
GstSoupHTTPSrc *src = GST_SOUP_HTTP_SRC (bsrc);
gboolean ret;
GstSchedulingFlags flags;
gint minsize, maxsize, align;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_URI:
gst_query_set_uri (query, src->location);
if (src->redirection_uri != NULL) {
gst_query_set_uri_redirection (query, src->redirection_uri);
gst_query_set_uri_redirection_permanent (query,
src->redirection_permanent);
}
ret = TRUE;
break;
default:
ret = FALSE;
break;
}
if (!ret)
ret = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_SCHEDULING:
gst_query_parse_scheduling (query, &flags, &minsize, &maxsize, &align);
flags |= GST_SCHEDULING_FLAG_BANDWIDTH_LIMITED;
gst_query_set_scheduling (query, flags, minsize, maxsize, align);
break;
default:
break;
}
return ret;
}
static gboolean
gst_soup_http_src_set_location (GstSoupHTTPSrc * src, const gchar * uri,
GError ** error)
{
const char *alt_schemes[] = { "icy://", "icyx://" };
guint i;
if (src->location) {
g_free (src->location);
src->location = NULL;
}
if (uri == NULL)
return FALSE;
for (i = 0; i < G_N_ELEMENTS (alt_schemes); i++) {
if (g_str_has_prefix (uri, alt_schemes[i])) {
src->location =
g_strdup_printf ("http://%s", uri + strlen (alt_schemes[i]));
return TRUE;
}
}
if (src->redirection_uri) {
g_free (src->redirection_uri);
src->redirection_uri = NULL;
}
src->location = g_strdup (uri);
return TRUE;
}
static gboolean
gst_soup_http_src_set_proxy (GstSoupHTTPSrc * src, const gchar * uri)
{
if (src->proxy) {
soup_uri_free (src->proxy);
src->proxy = NULL;
}
if (g_str_has_prefix (uri, "http://")) {
src->proxy = soup_uri_new (uri);
} else {
gchar *new_uri = g_strconcat ("http://", uri, NULL);
src->proxy = soup_uri_new (new_uri);
g_free (new_uri);
}
return TRUE;
}
static guint
gst_soup_http_src_uri_get_type (GType type)
{
return GST_URI_SRC;
}
static const gchar *const *
gst_soup_http_src_uri_get_protocols (GType type)
{
static const gchar *protocols[] = { "http", "https", "icy", "icyx", NULL };
return protocols;
}
static gchar *
gst_soup_http_src_uri_get_uri (GstURIHandler * handler)
{
GstSoupHTTPSrc *src = GST_SOUP_HTTP_SRC (handler);
/* FIXME: make thread-safe */
return g_strdup (src->location);
}
static gboolean
gst_soup_http_src_uri_set_uri (GstURIHandler * handler, const gchar * uri,
GError ** error)
{
GstSoupHTTPSrc *src = GST_SOUP_HTTP_SRC (handler);
return gst_soup_http_src_set_location (src, uri, error);
}
static void
gst_soup_http_src_uri_handler_init (gpointer g_iface, gpointer iface_data)
{
GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
iface->get_type = gst_soup_http_src_uri_get_type;
iface->get_protocols = gst_soup_http_src_uri_get_protocols;
iface->get_uri = gst_soup_http_src_uri_get_uri;
iface->set_uri = gst_soup_http_src_uri_set_uri;
}
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