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								/* Pinos
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								 * Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.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., 51 Franklin St, Fifth Floor,
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								 * Boston, MA 02110-1301, USA.
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								 */
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								#ifndef __PINOS_BUFFER_H__
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								#define __PINOS_BUFFER_H__
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								#include <glib-object.h>
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								#include <gio/gio.h>
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								G_BEGIN_DECLS
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								typedef struct _PinosBuffer PinosBuffer;
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								typedef struct _PinosBufferIter PinosBufferIter;
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								typedef struct _PinosBufferBuilder PinosBufferBuilder;
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								#define PINOS_BUFFER_VERSION 0
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								struct _PinosBuffer {
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								  /*< private >*/
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								  gsize x[16];
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								};
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								void               pinos_buffer_init_data        (PinosBuffer       *buffer,
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								                                                  gpointer           data,
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								                                                  gsize              size,
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								                                                  GSocketControlMessage *message);
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								void               pinos_buffer_clear            (PinosBuffer       *buffer);
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								guint32            pinos_buffer_get_version      (PinosBuffer       *buffer);
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								int                pinos_buffer_get_fd           (PinosBuffer       *buffer,
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								                                                  gint               index,
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								                                                  GError           **error);
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								gpointer           pinos_buffer_steal            (PinosBuffer       *buffer,
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								                                                  gsize             *size,
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								                                                  GSocketControlMessage **message);
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								/**
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								 * PinosPacketType:
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								 * @PINOS_PACKET_TYPE_INVALID: invalid packet type, ignore
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								 * @PINOS_PACKET_TYPE_CONTINUATION: continuation packet, used internally to send
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								 *      commands using a shared memory region.
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								 * @PINOS_PACKET_TYPE_HEADER: common packet header
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								 * @PINOS_PACKET_TYPE_FD_PAYLOAD: packet contains fd-payload. An fd-payload contains
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								 *      the media data as a file descriptor
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								 * @PINOS_PACKET_TYPE_RELEASE_FD_PAYLOAD: packet contains release fd-payload. Notifies
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								 *      that a previously received fd-payload is no longer in use.
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								 * @PINOS_PACKET_TYPE_FORMAT_CHANGE: a format change.
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								 * @PINOS_PACKET_TYPE_PROPERTY_CHANGE: one or more property changes.
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								 *
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								 * The possible packet types.
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								 */
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								typedef enum {
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								  PINOS_PACKET_TYPE_INVALID            = 0,
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								  PINOS_PACKET_TYPE_CONTINUATION       = 1,
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								  PINOS_PACKET_TYPE_HEADER             = 2,
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								  PINOS_PACKET_TYPE_FD_PAYLOAD         = 3,
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								  PINOS_PACKET_TYPE_RELEASE_FD_PAYLOAD = 4,
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								  PINOS_PACKET_TYPE_FORMAT_CHANGE      = 5,
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								  PINOS_PACKET_TYPE_PROPERTY_CHANGE    = 6,
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								} PinosPacketType;
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								/* iterating packets */
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								struct _PinosBufferIter {
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								  /*< private >*/
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								  gsize x[16];
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								};
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								void               pinos_buffer_iter_init_full   (PinosBufferIter *iter,
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								                                                  PinosBuffer     *buffer,
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								                                                  guint32          version);
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								#define pinos_buffer_iter_init(i,b)   pinos_buffer_iter_init_full(i,b, PINOS_BUFFER_VERSION);
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								gboolean           pinos_buffer_iter_next        (PinosBufferIter *iter);
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								PinosPacketType    pinos_buffer_iter_get_type    (PinosBufferIter *iter);
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								gpointer           pinos_buffer_iter_get_data    (PinosBufferIter *iter, gsize *size);
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								/**
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								 * PinosBufferBuilder:
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								 */
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								struct _PinosBufferBuilder {
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								  /*< private >*/
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								  gsize x[16];
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								};
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								void               pinos_buffer_builder_init_full  (PinosBufferBuilder      *builder,
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								                                                    guint32                  version);
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								#define pinos_buffer_builder_init(b)   pinos_buffer_builder_init_full(b, PINOS_BUFFER_VERSION);
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								void               pinos_buffer_builder_clear      (PinosBufferBuilder *builder);
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								void               pinos_buffer_builder_end        (PinosBufferBuilder *builder,
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								                                                    PinosBuffer        *buffer);
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								gint               pinos_buffer_builder_add_fd     (PinosBufferBuilder *builder,
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								                                                    int                 fd,
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								                                                    GError            **error);
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								/* header packets */
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								/**
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								 * PinosPacketHeader
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								 * @flags: header flags
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								 * @seq: sequence number
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								 * @pts: presentation timestamp in nanoseconds
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								 * @dts_offset: offset to presentation timestamp in nanoseconds to get decode timestamp
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								 *
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								 * A Packet that contains the header.
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								 */
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								typedef struct {
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								  guint32 flags;
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								  guint32 seq;
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								  gint64 pts;
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								  gint64 dts_offset;
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								} PinosPacketHeader;
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								gboolean           pinos_buffer_iter_parse_header      (PinosBufferIter    *iter,
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							 | 
							
								
							 | 
							
							
								                                                        PinosPacketHeader  *header);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								gboolean           pinos_buffer_builder_add_header     (PinosBufferBuilder *builder,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								                                                        PinosPacketHeader  *header);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-24 16:41:04 +02:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
								/* fd-payload packets */
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								/**
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * PinosPacketFDPayload:
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-26 12:46:28 +02:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
								 * @id: the unique id of this payload
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-24 16:41:04 +02:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * @fd_index: the index of the fd with the data
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * @offset: the offset of the data
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * @size: the size of the data
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 *
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * A Packet that contains data in an fd at @fd_index at @offset and with
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * @size.
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 */
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								typedef struct {
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-26 12:46:28 +02:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
								  guint32 id;
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-24 16:41:04 +02:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
								  gint32 fd_index;
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-26 12:46:28 +02:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
								  guint64 offset;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								  guint64 size;
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-24 16:41:04 +02:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
								} PinosPacketFDPayload;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-31 16:47:32 +02:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
								gboolean           pinos_buffer_iter_parse_fd_payload   (PinosBufferIter      *iter,
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-26 12:46:28 +02:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
								                                                         PinosPacketFDPayload *payload);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								gboolean           pinos_buffer_builder_add_fd_payload  (PinosBufferBuilder   *builder,
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-24 16:41:04 +02:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
								                                                         PinosPacketFDPayload *payload);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-31 16:47:32 +02:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
							
								/* release fd-payload packets */
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								/**
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * PinosPacketReleaseFDPayload:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * @id: the unique id of the fd-payload to release
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 *
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * Release the payload with @id
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 */
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								typedef struct {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								  guint32 id;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								} PinosPacketReleaseFDPayload;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								gboolean           pinos_buffer_iter_parse_release_fd_payload   (PinosBufferIter      *iter,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								                                                                 PinosPacketReleaseFDPayload *payload);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								gboolean           pinos_buffer_builder_add_release_fd_payload  (PinosBufferBuilder   *builder,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								                                                                 PinosPacketReleaseFDPayload *payload);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								/* format change packets */
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								/**
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * PinosPacketFormatChange:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * @id: the id of the new format
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * @format: the new format
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 *
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * A new format.
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 */
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								typedef struct {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								  guint8 id;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								  gchar *format;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								} PinosPacketFormatChange;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								gboolean           pinos_buffer_iter_parse_format_change   (PinosBufferIter      *iter,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								                                                            PinosPacketFormatChange *payload);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								gboolean           pinos_buffer_builder_add_format_change  (PinosBufferBuilder   *builder,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								                                                            PinosPacketFormatChange *payload);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								/* property change packets */
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								/**
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * PinosPacketPropertyChange:
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * @key: the key of the property
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * @value: the new value
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 *
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 * A new property change.
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								 */
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								typedef struct {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								  gchar *key;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								  gchar *value;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								} PinosPacketPropertyChange;
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								gboolean           pinos_buffer_iter_parse_property_change  (PinosBufferIter      *iter,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								                                                             guint                 idx,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								                                                             PinosPacketPropertyChange *payload);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								gboolean           pinos_buffer_builder_add_property_change (PinosBufferBuilder   *builder,
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								                                                             PinosPacketPropertyChange *payload);
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											2015-08-24 16:41:04 +02:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
							
								#endif /* __PINOS_BUFFER_H__ */
							 |