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/*
* Copyright (C) 2012 Doubango Telecom <http://www.doubango.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_converter_video.h
* @brief Video converter plugin (chroma, rotation, scaling, ...)
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
#ifndef TINYMEDIA_CONVERTER_VIDEO_H
#define TINYMEDIA_CONVERTER_VIDEO_H
#include "tinymedia_config.h"
#include "tmedia_common.h"
TMEDIA_BEGIN_DECLS
/** cast any pointer to @ref tmedia_converter_video_t* object */
#define TMEDIA_CONVERTER_VIDEO(self) ((tmedia_converter_video_t*)(self))
/**Max number of plugins (consumer types) we can create */
#if !defined(TMED_CONVERTER_VIDEO_MAX_PLUGINS)
# define TMED_CONVERTER_VIDEO_MAX_PLUGINS 0x0F
#endif
typedef struct tmedia_converter_video_s
{
TSK_DECLARE_OBJECT;
tsk_size_t srcWidth;
tsk_size_t srcHeight;
tsk_size_t dstWidth;
tsk_size_t dstHeight;
tmedia_chroma_t srcChroma;
tmedia_chroma_t dstChroma;
// one shot parameters
int rotation;
tsk_bool_t flip;
tsk_bool_t mirror;
tsk_bool_t scale_rotated_frames;
const struct tmedia_converter_video_plugin_def_s* plugin;
}
tmedia_converter_video_t;
#define TMEDIA_DECLARE_CONVERTER_VIDEO tmedia_converter_video_t __converter__
#define tmedia_converter_video_set(self, _rotation, _flip, _mirror, _scale_rotated_frames) \
if((self)){ \
(self)->rotation = (_rotation); \
(self)->flip = (_flip); \
(self)->mirror = (_mirror); \
(self)->scale_rotated_frames = (_scale_rotated_frames); \
}
#define tmedia_converter_video_set_rotation(self, _rotation) \
if((self)){ \
(self)->rotation = (_rotation); \
}
#define tmedia_converter_video_set_flip(self, _flip) \
if((self)){ \
(self)->flip = (_flip); \
}
#define tmedia_converter_video_set_mirror(self, _mirror) \
if((self)){ \
(self)->mirror = (_mirror); \
}
#define tmedia_converter_video_set_scale_rotated_frames(self, _scale_rotated_frames) \
if((self)){ \
(self)->scale_rotated_frames = (_scale_rotated_frames); \
}
#define tmedia_converter_video_process(_self, _buffer, _size, _output, _output_max_size) \
(_self)->plugin->process((_self), (_buffer), (_size), (_output), (_output_max_size))
/** Virtual table used to define a consumer plugin */
typedef struct tmedia_converter_video_plugin_def_s
{
//! object definition used to create an instance of the converter
const tsk_object_def_t* objdef;
int (* init) ( struct tmedia_converter_video_s* self, tsk_size_t srcWidth, tsk_size_t srcHeight, tmedia_chroma_t srcChroma, tsk_size_t dstWidth, tsk_size_t dstHeight, tmedia_chroma_t dstChroma );
tsk_size_t (* process) ( struct tmedia_converter_video_s* self, const void* buffer, tsk_size_t buffer_size, void** output, tsk_size_t* output_max_size );
}
tmedia_converter_video_plugin_def_t;
TINYMEDIA_API tmedia_converter_video_t* tmedia_converter_video_create(tsk_size_t srcWidth, tsk_size_t srcHeight, tmedia_chroma_t srcChroma, tsk_size_t dstWidth, tsk_size_t dstHeight, tmedia_chroma_t dstChroma);
TINYMEDIA_API int tmedia_converter_video_plugin_register(const tmedia_converter_video_plugin_def_t* plugin);
TINYMEDIA_API tsk_size_t tmedia_converter_video_plugin_registry_count();
TINYMEDIA_API int tmedia_converter_video_plugin_unregister(const tmedia_converter_video_plugin_def_t* plugin);
TMEDIA_END_DECLS
#endif /* TINYMEDIA_CONVERTER_VIDEO_H */
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