gstreamer/subprojects/gst-plugins-base/gst-libs/gst/rtsp/gstrtspmessage.h

347 lines
12 KiB
C

/* GStreamer
* Copyright (C) <2005,2006> Wim Taymans <wim@fluendo.com>
*
* 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 details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/*
* Unless otherwise indicated, Source Code is licensed under MIT license.
* See further explanation attached in License Statement (distributed in the file
* LICENSE).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __GST_RTSP_MESSAGE_H__
#define __GST_RTSP_MESSAGE_H__
#include <gst/gst.h>
#include <gst/rtsp/gstrtspdefs.h>
G_BEGIN_DECLS
/**
* GstRTSPMsgType:
* @GST_RTSP_MESSAGE_INVALID: invalid message type
* @GST_RTSP_MESSAGE_REQUEST: RTSP request message
* @GST_RTSP_MESSAGE_RESPONSE: RTSP response message
* @GST_RTSP_MESSAGE_HTTP_REQUEST: HTTP request message.
* @GST_RTSP_MESSAGE_HTTP_RESPONSE: HTTP response message.
* @GST_RTSP_MESSAGE_DATA: data message
*
* The type of a message.
*/
typedef enum
{
GST_RTSP_MESSAGE_INVALID,
GST_RTSP_MESSAGE_REQUEST,
GST_RTSP_MESSAGE_RESPONSE,
GST_RTSP_MESSAGE_HTTP_REQUEST,
GST_RTSP_MESSAGE_HTTP_RESPONSE,
GST_RTSP_MESSAGE_DATA
} GstRTSPMsgType;
typedef struct _GstRTSPMessage GstRTSPMessage;
/**
* GstRTSPMessage:
* @type: the message type
*
* An RTSP message containing request, response or data messages. Depending on
* the @type, the appropriate structure may be accessed.
*/
struct _GstRTSPMessage
{
GstRTSPMsgType type;
union {
struct {
GstRTSPMethod method;
gchar *uri;
GstRTSPVersion version;
} request;
struct {
GstRTSPStatusCode code;
gchar *reason;
GstRTSPVersion version;
} response;
struct {
guint8 channel;
} data;
} type_data;
/*< private >*/
GArray *hdr_fields;
guint8 *body;
guint body_size;
GstBuffer *body_buffer;
gpointer _gst_reserved[GST_PADDING-1];
};
GST_RTSP_API
GType gst_rtsp_msg_get_type (void);
#define GST_TYPE_RTSP_MESSAGE (gst_rtsp_msg_get_type())
#define GST_RTSP_MESSAGE_CAST(object) ((GstRTSPMessage *)(object))
#define GST_RTSP_MESSAGE(object) (GST_RTSP_MESSAGE_CAST(object))
/* memory management */
GST_RTSP_API
GstRTSPResult gst_rtsp_message_new (GstRTSPMessage **msg);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_init (GstRTSPMessage *msg);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_unset (GstRTSPMessage *msg);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_free (GstRTSPMessage *msg);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_copy (const GstRTSPMessage *msg,
GstRTSPMessage **copy);
GST_RTSP_API
GstRTSPMsgType gst_rtsp_message_get_type (GstRTSPMessage *msg);
/* request */
GST_RTSP_API
GstRTSPResult gst_rtsp_message_new_request (GstRTSPMessage **msg,
GstRTSPMethod method,
const gchar *uri);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_init_request (GstRTSPMessage *msg,
GstRTSPMethod method,
const gchar *uri);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_parse_request (GstRTSPMessage *msg,
GstRTSPMethod *method,
const gchar **uri,
GstRTSPVersion *version);
/* response */
GST_RTSP_API
GstRTSPResult gst_rtsp_message_new_response (GstRTSPMessage **msg,
GstRTSPStatusCode code,
const gchar *reason,
const GstRTSPMessage *request);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_init_response (GstRTSPMessage *msg,
GstRTSPStatusCode code,
const gchar *reason,
const GstRTSPMessage *request);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_parse_response (GstRTSPMessage *msg,
GstRTSPStatusCode *code,
const gchar **reason,
GstRTSPVersion *version);
/* data */
GST_RTSP_API
GstRTSPResult gst_rtsp_message_new_data (GstRTSPMessage **msg,
guint8 channel);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_init_data (GstRTSPMessage *msg,
guint8 channel);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_parse_data (GstRTSPMessage *msg,
guint8 *channel);
/* headers */
GST_RTSP_API
GstRTSPResult gst_rtsp_message_add_header (GstRTSPMessage *msg,
GstRTSPHeaderField field,
const gchar *value);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_take_header (GstRTSPMessage *msg,
GstRTSPHeaderField field,
gchar *value);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_remove_header (GstRTSPMessage *msg,
GstRTSPHeaderField field,
gint indx);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_get_header (const GstRTSPMessage *msg,
GstRTSPHeaderField field,
gchar **value,
gint indx);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_add_header_by_name (GstRTSPMessage * msg,
const gchar * header,
const gchar * value);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_take_header_by_name (GstRTSPMessage * msg,
const gchar * header,
gchar * value);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_remove_header_by_name (GstRTSPMessage * msg,
const gchar * header,
gint index);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_get_header_by_name (GstRTSPMessage * msg,
const gchar * header,
gchar ** value,
gint index);
/* header serialization */
GST_RTSP_API
GstRTSPResult gst_rtsp_message_append_headers (const GstRTSPMessage *msg,
GString *str);
/* handling the body */
GST_RTSP_API
GstRTSPResult gst_rtsp_message_set_body (GstRTSPMessage *msg,
const guint8 *data,
guint size);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_take_body (GstRTSPMessage *msg,
guint8 *data,
guint size);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_get_body (const GstRTSPMessage *msg,
guint8 **data,
guint *size);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_steal_body (GstRTSPMessage *msg,
guint8 **data,
guint *size);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_set_body_buffer (GstRTSPMessage *msg,
GstBuffer * buffer);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_take_body_buffer(GstRTSPMessage *msg,
GstBuffer * buffer);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_get_body_buffer (const GstRTSPMessage *msg,
GstBuffer ** buffer);
GST_RTSP_API
GstRTSPResult gst_rtsp_message_steal_body_buffer(GstRTSPMessage *msg,
GstBuffer ** buffer);
GST_RTSP_API
gboolean gst_rtsp_message_has_body_buffer(const GstRTSPMessage *msg);
typedef struct _GstRTSPAuthCredential GstRTSPAuthCredential;
typedef struct _GstRTSPAuthParam GstRTSPAuthParam;
/**
* GstRTSPAuthCredential:
* @scheme: a #GstRTSPAuthMethod
* @params: A NULL-terminated array of #GstRTSPAuthParam
* @authorization: The authorization for the basic schem
*
* RTSP Authentication credentials
*
* Since: 1.12
*/
struct _GstRTSPAuthCredential {
GstRTSPAuthMethod scheme;
/* For Basic/Digest WWW-Authenticate and Digest
* Authorization */
GstRTSPAuthParam **params; /* NULL terminated */
/* For Basic Authorization */
gchar *authorization;
};
/**
* GstRTSPAuthParam:
* @name: The name of the parameter
* @value: The value of the parameter
*
* RTSP Authentication parameter
*
* Since: 1.12
*/
struct _GstRTSPAuthParam {
gchar *name;
gchar *value;
};
GST_RTSP_API
GstRTSPAuthParam * gst_rtsp_auth_param_copy (GstRTSPAuthParam * param);
GST_RTSP_API
void gst_rtsp_auth_param_free (GstRTSPAuthParam * param);
GST_RTSP_API
GstRTSPAuthCredential ** gst_rtsp_message_parse_auth_credentials (GstRTSPMessage * msg, GstRTSPHeaderField field);
GST_RTSP_API
void gst_rtsp_auth_credentials_free (GstRTSPAuthCredential ** credentials);
#define GST_TYPE_RTSP_AUTH_CREDENTIAL gst_rtsp_auth_credential_get_type()
GST_RTSP_API
GType gst_rtsp_auth_credential_get_type (void);
#define GST_TYPE_RTSP_AUTH_PARAM gst_rtsp_auth_param_get_type()
GST_RTSP_API
GType gst_rtsp_auth_param_get_type (void);
/* debug */
GST_RTSP_API
GstRTSPResult gst_rtsp_message_dump (GstRTSPMessage *msg);
G_END_DECLS
#endif /* __GST_RTSP_MESSAGE_H__ */