gstreamer/gst-libs/gst/rtsp/gstrtspmessage.h
Wim Taymans 484a025f6d Add new RTSP message method to set header
Add gst_rtsp_message_take_header() that takes ownership of the passed header
value. This allows us to avoid an allocations and memory copy in some
situations.
API: GstRTSPMessage::gst_rtsp_message_take_header()
2009-01-29 11:55:10 +01:00

182 lines
7.8 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, 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 <glib.h>
#include <gst/rtsp/gstrtspdefs.h>
G_BEGIN_DECLS
/**
* GstRTSPMsgType:
* @GST_RTSP_MESSAGE_INVALID: invalid message type
* @GST_RTSP_MESSAGE_REQUEST: request message
* @GST_RTSP_MESSAGE_RESPONSE: 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_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;
};
/* memory management */
GstRTSPResult gst_rtsp_message_new (GstRTSPMessage **msg);
GstRTSPResult gst_rtsp_message_init (GstRTSPMessage *msg);
GstRTSPResult gst_rtsp_message_unset (GstRTSPMessage *msg);
GstRTSPResult gst_rtsp_message_free (GstRTSPMessage *msg);
GstRTSPMsgType gst_rtsp_message_get_type (GstRTSPMessage *msg);
/* request */
GstRTSPResult gst_rtsp_message_new_request (GstRTSPMessage **msg,
GstRTSPMethod method,
const gchar *uri);
GstRTSPResult gst_rtsp_message_init_request (GstRTSPMessage *msg,
GstRTSPMethod method,
const gchar *uri);
GstRTSPResult gst_rtsp_message_parse_request (GstRTSPMessage *msg,
GstRTSPMethod *method,
const gchar **uri,
GstRTSPVersion *version);
/* response */
GstRTSPResult gst_rtsp_message_new_response (GstRTSPMessage **msg,
GstRTSPStatusCode code,
const gchar *reason,
const GstRTSPMessage *request);
GstRTSPResult gst_rtsp_message_init_response (GstRTSPMessage *msg,
GstRTSPStatusCode code,
const gchar *reason,
const GstRTSPMessage *request);
GstRTSPResult gst_rtsp_message_parse_response (GstRTSPMessage *msg,
GstRTSPStatusCode *code,
const gchar **reason,
GstRTSPVersion *version);
/* data */
GstRTSPResult gst_rtsp_message_new_data (GstRTSPMessage **msg,
guint8 channel);
GstRTSPResult gst_rtsp_message_init_data (GstRTSPMessage *msg,
guint8 channel);
GstRTSPResult gst_rtsp_message_parse_data (GstRTSPMessage *msg,
guint8 *channel);
/* headers */
GstRTSPResult gst_rtsp_message_add_header (GstRTSPMessage *msg,
GstRTSPHeaderField field,
const gchar *value);
GstRTSPResult gst_rtsp_message_take_header (GstRTSPMessage *msg,
GstRTSPHeaderField field,
gchar *value);
GstRTSPResult gst_rtsp_message_remove_header (GstRTSPMessage *msg,
GstRTSPHeaderField field,
gint indx);
GstRTSPResult gst_rtsp_message_get_header (const GstRTSPMessage *msg,
GstRTSPHeaderField field,
gchar **value,
gint indx);
GstRTSPResult gst_rtsp_message_append_headers (const GstRTSPMessage *msg,
GString *str);
/* handling the body */
GstRTSPResult gst_rtsp_message_set_body (GstRTSPMessage *msg,
const guint8 *data,
guint size);
GstRTSPResult gst_rtsp_message_take_body (GstRTSPMessage *msg,
guint8 *data,
guint size);
GstRTSPResult gst_rtsp_message_get_body (const GstRTSPMessage *msg,
guint8 **data,
guint *size);
GstRTSPResult gst_rtsp_message_steal_body (GstRTSPMessage *msg,
guint8 **data,
guint *size);
/* debug */
GstRTSPResult gst_rtsp_message_dump (GstRTSPMessage *msg);
G_END_DECLS
#endif /* __GST_RTSP_MESSAGE_H__ */