145 lines
4.3 KiB
C
145 lines
4.3 KiB
C
/*
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* Copyright (C) 2010-2011 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]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_producer.h
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* @brief Base producer object.
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*
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* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
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*
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*/
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#ifndef TINYMEDIA_PRODUCER_H
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#define TINYMEDIA_PRODUCER_H
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#include "tinymedia_config.h"
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#include "tinymedia/tmedia_codec.h"
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#include "tinymedia/tmedia_params.h"
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#include "tmedia_common.h"
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TMEDIA_BEGIN_DECLS
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#define TMEDIA_PRODUCER_BITS_PER_SAMPLE_DEFAULT 16
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#define TMEDIA_PRODUCER_CHANNELS_DEFAULT 2
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#define TMEDIA_PRODUCER_RATE_DEFAULT 8000
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/**Max number of plugins (producer types) we can create */
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#define TMED_PRODUCER_MAX_PLUGINS 0x0F
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/** cast any pointer to @ref tmedia_producer_t* object */
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#define TMEDIA_PRODUCER(self) ((tmedia_producer_t*)(self))
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typedef int (*tmedia_producer_enc_cb_f)(const void* callback_data, const void* buffer, tsk_size_t size);
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typedef int (*tmedia_producer_raw_cb_f)(const tmedia_video_encode_result_xt* chunck);
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/** Default Video chroma */
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#define TMEDIA_PRODUCER_CHROMA_DEFAULT tmedia_chroma_yuv420p
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/** Base object for all Producers */
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typedef struct tmedia_producer_s
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{
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TSK_DECLARE_OBJECT;
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tmedia_type_t type;
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const char* desc;
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struct{
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tmedia_chroma_t chroma;
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int fps;
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int rotation;
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tsk_bool_t mirror;
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tsk_size_t width;
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tsk_size_t height;
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} video;
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struct{
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uint8_t bits_per_sample;
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uint8_t channels;
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uint32_t rate;
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uint8_t ptime;
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uint8_t gain;
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int32_t volume;
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} audio;
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const struct tmedia_producer_plugin_def_s* plugin;
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tsk_bool_t is_prepared;
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tsk_bool_t is_started;
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uint64_t session_id;
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struct{
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enum tmedia_codec_id_e codec_id;
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// other options to be added
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} encoder;
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struct{
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tmedia_producer_enc_cb_f callback;
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const void* callback_data;
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} enc_cb;
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struct{
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tmedia_producer_raw_cb_f callback;
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tmedia_video_encode_result_xt chunck_curr;
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} raw_cb;
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}
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tmedia_producer_t;
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/** Virtual table used to define a producer plugin */
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typedef struct tmedia_producer_plugin_def_s
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{
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//! object definition used to create an instance of the producer
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const tsk_object_def_t* objdef;
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//! the type of the producer
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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 (*set) (tmedia_producer_t* , const tmedia_param_t*);
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int (* prepare) (tmedia_producer_t* , const tmedia_codec_t*);
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int (* start) (tmedia_producer_t* );
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int (* pause) (tmedia_producer_t* );
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int (* stop) (tmedia_producer_t* );
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}
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tmedia_producer_plugin_def_t;
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#define TMEDIA_DECLARE_PRODUCER tmedia_producer_t __producer__
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TINYMEDIA_API tmedia_producer_t* tmedia_producer_create(tmedia_type_t type, uint64_t session_id);
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TINYMEDIA_API int tmedia_producer_init(tmedia_producer_t* self);
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TINYMEDIA_API int tmedia_producer_set_enc_callback(tmedia_producer_t *self, tmedia_producer_enc_cb_f callback, const void* callback_data);
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TINYMEDIA_API int tmedia_producer_set_raw_callback(tmedia_producer_t *self, tmedia_producer_raw_cb_f callback, const void* callback_data);
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TINYMEDIA_API int tmedia_producer_set(tmedia_producer_t* self, const tmedia_param_t* param);
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TINYMEDIA_API int tmedia_producer_prepare(tmedia_producer_t *self, const tmedia_codec_t* codec);
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TINYMEDIA_API int tmedia_producer_start(tmedia_producer_t *self);
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TINYMEDIA_API int tmedia_producer_pause(tmedia_producer_t *self);
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TINYMEDIA_API int tmedia_producer_stop(tmedia_producer_t *self);
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TINYMEDIA_API int tmedia_producer_deinit(tmedia_producer_t* self);
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TINYMEDIA_API int tmedia_producer_plugin_register(const tmedia_producer_plugin_def_t* plugin);
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TINYMEDIA_API int tmedia_producer_plugin_unregister(const tmedia_producer_plugin_def_t* plugin);
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TINYMEDIA_API int tmedia_producer_plugin_unregister_by_type(tmedia_type_t type);
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TMEDIA_END_DECLS
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#endif /* TINYMEDIA_PRODUCER_H */
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