91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tmedia_consumer.h
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* @brief Base consumer object.
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*
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* @author Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* @date Created: Sat Nov 8 16:54:58 2009 mdiop
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*/
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#ifndef TINYMEDIA_CONSUMER_H
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#define TINYMEDIA_CONSUMER_H
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#include "tinymedia_config.h"
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#include "tinymedia/tmedia_codec.h"
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#include "tmedia_common.h"
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/**Max number of plugins (consumer types) we can create */
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#define TMED_CONSUMER_MAX_PLUGINS 0x0F
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/** cast any pointer to @ref tmedia_consumer_t* object */
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#define TMEDIA_CONSUMER(self) ((tmedia_consumer_t*)(self))
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/** Base object for all Consumers */
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typedef struct tmedia_consumer_s
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{
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TSK_DECLARE_OBJECT;
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//! the type of the consumer
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tmedia_type_t type;
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const char* desc;
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const struct tmedia_consumer_plugin_def_s* plugin;
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}
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tmedia_consumer_t;
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/** Virtual table used to define a consumer plugin */
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typedef struct tmedia_consumer_plugin_def_s
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{
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//! object definition used to create an instance of the consumer
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const tsk_object_def_t* objdef;
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//! the type of the consumer
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tmedia_type_t type;
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//! full description (usefull for debugging)
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const char* desc;
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int (* prepare) (tmedia_consumer_t*, const tmedia_codec_t* );
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int (* start) (tmedia_consumer_t* );
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int (* consume) (tmedia_consumer_t*, void** buffer, tsk_size_t size, const tsk_object_t* proto_hdr);
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int (* pause) (tmedia_consumer_t* );
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int (* stop) (tmedia_consumer_t* );
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}
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tmedia_consumer_plugin_def_t;
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#define TMEDIA_DECLARE_CONSUMER tmedia_consumer_t __consumer__
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TINYMEDIA_API tmedia_consumer_t* tmedia_consumer_create(tmedia_type_t type);
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TINYMEDIA_API int tmedia_consumer_init(tmedia_consumer_t* self);
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TINYMEDIA_API int tmedia_consumer_prepare(tmedia_consumer_t *self, const tmedia_codec_t* codec);
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TINYMEDIA_API int tmedia_consumer_start(tmedia_consumer_t *self);
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TINYMEDIA_API int tmedia_consumer_consume(tmedia_consumer_t* self, void** buffer, tsk_size_t size, const tsk_object_t* proto_hdr);
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TINYMEDIA_API int tmedia_consumer_pause(tmedia_consumer_t *self);
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TINYMEDIA_API int tmedia_consumer_stop(tmedia_consumer_t *self);
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TINYMEDIA_API int tmedia_consumer_deinit(tmedia_consumer_t* self);
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TINYMEDIA_API int tmedia_consumer_plugin_register(const tmedia_consumer_plugin_def_t* plugin);
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TINYMEDIA_API int tmedia_consumer_plugin_unregister(const tmedia_consumer_plugin_def_t* plugin);
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#endif /* TINYMEDIA_CONSUMER_H */
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