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