gstreamer/ext/soup/gstsouphttpsrc.h
Thiago Santos 8816764112 souphttpsrc: reduce reading latency by using non-blocking read
Non-blocking read will return the amount of data available without
blocking to wait for the full requested size.

The downside is that now it souphttpsrc needs to have a waiting
mechanism in case there is no data available yet to avoid busy
looping arond the inputstream.
2016-05-15 06:36:25 -03:00

127 lines
4.5 KiB
C

/* 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
*/
#ifndef __GST_SOUP_HTTP_SRC_H__
#define __GST_SOUP_HTTP_SRC_H__
#include <gst/gst.h>
#include <gst/base/gstpushsrc.h>
#include <glib.h>
G_BEGIN_DECLS
#include <libsoup/soup.h>
#define GST_TYPE_SOUP_HTTP_SRC \
(gst_soup_http_src_get_type())
#define GST_SOUP_HTTP_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SOUP_HTTP_SRC,GstSoupHTTPSrc))
#define GST_SOUP_HTTP_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_TYPE_SOUP_HTTP_SRC,GstSoupHTTPSrcClass))
#define GST_IS_SOUP_HTTP_SRC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SOUP_HTTP_SRC))
#define GST_IS_SOUP_HTTP_SRC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SOUP_HTTP_SRC))
typedef struct _GstSoupHTTPSrc GstSoupHTTPSrc;
typedef struct _GstSoupHTTPSrcClass GstSoupHTTPSrcClass;
typedef enum {
GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_IDLE,
GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_QUEUED,
GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_RUNNING,
GST_SOUP_HTTP_SRC_SESSION_IO_STATUS_CANCELLED,
} GstSoupHTTPSrcSessionIOStatus;
struct _GstSoupHTTPSrc {
GstPushSrc element;
gchar *location; /* Full URI. */
gchar *redirection_uri; /* Full URI after redirections. */
gboolean redirection_permanent; /* Permanent or temporary redirect? */
gchar *user_agent; /* User-Agent HTTP header. */
gboolean automatic_redirect; /* Follow redirects. */
SoupURI *proxy; /* HTTP proxy URI. */
gchar *user_id; /* Authentication user id for location URI. */
gchar *user_pw; /* Authentication user password for location URI. */
gchar *proxy_id; /* Authentication user id for proxy URI. */
gchar *proxy_pw; /* Authentication user password for proxy URI. */
gchar **cookies; /* HTTP request cookies. */
SoupSession *session; /* Async context. */
SoupMessage *msg; /* Request message. */
GstFlowReturn ret; /* Return code from callback. */
gint retry_count; /* Number of retries since we received data */
gint max_retries; /* Maximum number of retries */
gchar *method; /* HTTP method */
gboolean got_headers; /* Already received headers from the server */
gboolean have_size; /* Received and parsed Content-Length
header. */
guint64 content_size; /* Value of Content-Length header. */
guint64 read_position; /* Current position. */
gboolean seekable; /* FALSE if the server does not support
Range. */
guint64 request_position; /* Seek to this position. */
guint64 stop_position; /* Stop at this position. */
gboolean have_body; /* Indicates if it has just been signaled the
* end of the message body. This is used to
* decide if an out of range request should be
* handled as an error or EOS when the content
* size is unknown */
gboolean keep_alive; /* Use keep-alive sessions */
gboolean ssl_strict;
gchar *ssl_ca_file;
gboolean ssl_use_system_ca_file;
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;
gchar *iradio_name;
gchar *iradio_genre;
gchar *iradio_url;
GstStructure *extra_headers;
SoupLoggerLogLevel log_level;/* Soup HTTP session logger level */
gboolean compress;
guint timeout;
GMutex mutex;
GCond have_headers_cond;
GstEvent *http_headers_event;
};
struct _GstSoupHTTPSrcClass {
GstPushSrcClass parent_class;
};
GType gst_soup_http_src_get_type (void);
G_END_DECLS
#endif /* __GST_SOUP_HTTP_SRC_H__ */