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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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484a025f6d
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()
182 lines
7.8 KiB
C
182 lines
7.8 KiB
C
/* GStreamer
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* Copyright (C) <2005,2006> Wim Taymans <wim@fluendo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Unless otherwise indicated, Source Code is licensed under MIT license.
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* See further explanation attached in License Statement (distributed in the file
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* LICENSE).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __GST_RTSP_MESSAGE_H__
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#define __GST_RTSP_MESSAGE_H__
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#include <glib.h>
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#include <gst/rtsp/gstrtspdefs.h>
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G_BEGIN_DECLS
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/**
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* GstRTSPMsgType:
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* @GST_RTSP_MESSAGE_INVALID: invalid message type
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* @GST_RTSP_MESSAGE_REQUEST: request message
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* @GST_RTSP_MESSAGE_RESPONSE: response message
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* @GST_RTSP_MESSAGE_DATA: data message
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*
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* The type of a message.
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*/
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typedef enum
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{
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GST_RTSP_MESSAGE_INVALID,
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GST_RTSP_MESSAGE_REQUEST,
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GST_RTSP_MESSAGE_RESPONSE,
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GST_RTSP_MESSAGE_DATA,
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} GstRTSPMsgType;
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typedef struct _GstRTSPMessage GstRTSPMessage;
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/**
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* GstRTSPMessage:
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* @type: the message type
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*
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* An RTSP message containing request, response or data messages. Depending on
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* the @type, the appropriate structure may be accessed.
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*/
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struct _GstRTSPMessage
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{
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GstRTSPMsgType type;
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union {
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struct {
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GstRTSPMethod method;
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gchar *uri;
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GstRTSPVersion version;
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} request;
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struct {
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GstRTSPStatusCode code;
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gchar *reason;
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GstRTSPVersion version;
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} response;
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struct {
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guint8 channel;
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} data;
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} type_data;
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/*< private >*/
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GArray *hdr_fields;
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guint8 *body;
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guint body_size;
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};
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/* memory management */
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GstRTSPResult gst_rtsp_message_new (GstRTSPMessage **msg);
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GstRTSPResult gst_rtsp_message_init (GstRTSPMessage *msg);
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GstRTSPResult gst_rtsp_message_unset (GstRTSPMessage *msg);
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GstRTSPResult gst_rtsp_message_free (GstRTSPMessage *msg);
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GstRTSPMsgType gst_rtsp_message_get_type (GstRTSPMessage *msg);
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/* request */
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GstRTSPResult gst_rtsp_message_new_request (GstRTSPMessage **msg,
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GstRTSPMethod method,
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const gchar *uri);
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GstRTSPResult gst_rtsp_message_init_request (GstRTSPMessage *msg,
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GstRTSPMethod method,
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const gchar *uri);
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GstRTSPResult gst_rtsp_message_parse_request (GstRTSPMessage *msg,
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GstRTSPMethod *method,
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const gchar **uri,
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GstRTSPVersion *version);
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/* response */
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GstRTSPResult gst_rtsp_message_new_response (GstRTSPMessage **msg,
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GstRTSPStatusCode code,
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const gchar *reason,
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const GstRTSPMessage *request);
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GstRTSPResult gst_rtsp_message_init_response (GstRTSPMessage *msg,
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GstRTSPStatusCode code,
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const gchar *reason,
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const GstRTSPMessage *request);
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GstRTSPResult gst_rtsp_message_parse_response (GstRTSPMessage *msg,
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GstRTSPStatusCode *code,
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const gchar **reason,
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GstRTSPVersion *version);
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/* data */
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GstRTSPResult gst_rtsp_message_new_data (GstRTSPMessage **msg,
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guint8 channel);
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GstRTSPResult gst_rtsp_message_init_data (GstRTSPMessage *msg,
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guint8 channel);
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GstRTSPResult gst_rtsp_message_parse_data (GstRTSPMessage *msg,
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guint8 *channel);
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/* headers */
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GstRTSPResult gst_rtsp_message_add_header (GstRTSPMessage *msg,
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GstRTSPHeaderField field,
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const gchar *value);
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GstRTSPResult gst_rtsp_message_take_header (GstRTSPMessage *msg,
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GstRTSPHeaderField field,
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gchar *value);
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GstRTSPResult gst_rtsp_message_remove_header (GstRTSPMessage *msg,
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GstRTSPHeaderField field,
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gint indx);
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GstRTSPResult gst_rtsp_message_get_header (const GstRTSPMessage *msg,
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GstRTSPHeaderField field,
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gchar **value,
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gint indx);
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GstRTSPResult gst_rtsp_message_append_headers (const GstRTSPMessage *msg,
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GString *str);
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/* handling the body */
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GstRTSPResult gst_rtsp_message_set_body (GstRTSPMessage *msg,
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const guint8 *data,
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guint size);
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GstRTSPResult gst_rtsp_message_take_body (GstRTSPMessage *msg,
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guint8 *data,
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guint size);
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GstRTSPResult gst_rtsp_message_get_body (const GstRTSPMessage *msg,
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guint8 **data,
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guint *size);
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GstRTSPResult gst_rtsp_message_steal_body (GstRTSPMessage *msg,
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guint8 **data,
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guint *size);
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/* debug */
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GstRTSPResult gst_rtsp_message_dump (GstRTSPMessage *msg);
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G_END_DECLS
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#endif /* __GST_RTSP_MESSAGE_H__ */
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