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/*
* Copyright (C) 2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
/**@file tmedia_jitterbuffer.h
* @brief Audio/Video JitterBuffer Plugin
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*/
#ifndef TINYMEDIA_JITTER_BUFFER_H
#define TINYMEDIA_JITTER_BUFFER_H
#include "tinymedia_config.h"
#include "tinymedia/tmedia_params.h"
#include "tmedia_common.h"
#include "tsk_object.h"
TMEDIA_BEGIN_DECLS
/** cast any pointer to @ref tmedia_jitterbuffer_t* object */
#define TMEDIA_JITTER_BUFFER(self) ((tmedia_jitterbuffer_t*)(self))
/**Max number of plugins (jb types) we can create */
#if !defined(TMED_JITTER_BUFFER_MAX_PLUGINS)
# define TMED_JITTER_BUFFER_MAX_PLUGINS 0x0F
#endif
/** Base object for all JitterBuffers */
typedef struct tmedia_jitterbuffer_s
{
TSK_DECLARE_OBJECT;
tsk_bool_t opened;
const struct tmedia_jitterbuffer_plugin_def_s* plugin;
}
tmedia_jitterbuffer_t;
#define TMEDIA_DECLARE_JITTER_BUFFER tmedia_jitterbuffer_t __jitterbuffer__
/** Virtual table used to define a consumer plugin */
typedef struct tmedia_jitterbuffer_plugin_def_s
{
//! object definition used to create an instance of the jitterbufferr
const tsk_object_def_t* objdef;
//! the type of the jitter buffer
tmedia_type_t type;
//! full description (usefull for debugging)
const char* desc;
int (*set) (tmedia_jitterbuffer_t* , const tmedia_param_t*);
int (* open) (tmedia_jitterbuffer_t*, uint32_t frame_duration, uint32_t rate, uint32_t channels);
int (* tick) (tmedia_jitterbuffer_t*);
int (* put) (tmedia_jitterbuffer_t*, void* data, tsk_size_t data_size, const tsk_object_t* proto_hdr);
tsk_size_t (* get) (tmedia_jitterbuffer_t*, void* out_data, tsk_size_t out_size);
int (* reset) (tmedia_jitterbuffer_t* );
int (* close) (tmedia_jitterbuffer_t* );
}
tmedia_jitterbuffer_plugin_def_t;
TINYMEDIA_API int tmedia_jitterbuffer_init(tmedia_jitterbuffer_t* self);
TINYMEDIA_API int tmedia_jitterbuffer_set(tmedia_jitterbuffer_t *self, const tmedia_param_t* param);
TINYMEDIA_API int tmedia_jitterbuffer_open(tmedia_jitterbuffer_t* self, uint32_t frame_duration, uint32_t rate, uint32_t channels);
TINYMEDIA_API int tmedia_jitterbuffer_tick(tmedia_jitterbuffer_t* self);
TINYMEDIA_API int tmedia_jitterbuffer_put(tmedia_jitterbuffer_t* self, void* data, tsk_size_t data_size, const tsk_object_t* proto_hdr);
TINYMEDIA_API tsk_size_t tmedia_jitterbuffer_get(tmedia_jitterbuffer_t* self, void* out_data, tsk_size_t out_size);
TINYMEDIA_API int tmedia_jitterbuffer_reset(tmedia_jitterbuffer_t* self);
TINYMEDIA_API int tmedia_jitterbuffer_close(tmedia_jitterbuffer_t* self);
TINYMEDIA_API int tmedia_jitterbuffer_deinit(tmedia_jitterbuffer_t* self);
TINYMEDIA_API int tmedia_jitterbuffer_plugin_register(const tmedia_jitterbuffer_plugin_def_t* plugin);
TINYMEDIA_API int tmedia_jitterbuffer_plugin_unregister();
TINYMEDIA_API int tmedia_jitter_buffer_plugin_unregister_by_type(tmedia_type_t type);
TINYMEDIA_API tmedia_jitterbuffer_t* tmedia_jitterbuffer_create(tmedia_type_t type);
TMEDIA_END_DECLS
#endif /* TINYMEDIA_JITTER_BUFFER_H */
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