/*!
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* COPYRIGHT (C) 2020 Emeric Grange - All Rights Reserved
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*
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* This file is part of MiniVideo.
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*
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* MiniVideo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser 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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* MiniVideo 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with MiniVideo. If not, see <http://www.gnu.org/licenses/>.
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*
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* \file descriptor_struct.h
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* \author Emeric Grange <emeric.grange@gmail.com>
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* \date 2012
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*/
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#ifndef PROGRAM_ELEMENT_DESCRIPTORS_STRUCT_H
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#define PROGRAM_ELEMENT_DESCRIPTORS_STRUCT_H
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// minivideo
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#include "../../minivideo_typedef.h"
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/* ************************************************************************** */
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/*!
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* \struct VideoStreamDescriptor_t
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* \brief Video stream descriptor structure.
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*
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* 2.6.2 Video stream descriptor.
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* H.222 table 2-40.
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*/
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typedef struct VideoStreamDescriptor_t
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{
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uint8_t descriptor_tag;
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uint16_t descriptor_length;
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uint8_t multiple_frame_rate_flag;
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uint8_t frame_rate_code;
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uint8_t MPEG1_only_flag;
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uint8_t constrained_parameter_flag;
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uint8_t still_picture_flag;
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// MPEG1_only_flag
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uint8_t profile_and_level_indication;
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uint8_t chroma_format;
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uint8_t frame_rate_extension_flag;
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} VideoStreamDescriptor_t;
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/*!
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* \struct AudioStreamDescriptor_t
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* \brief Audio stream descriptor structure.
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*
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* 2.6.4 Audio stream descriptor.
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* H.222 table 2-42.
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*/
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typedef struct AudioStreamDescriptor_t
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{
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uint8_t descriptor_tag;
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uint16_t descriptor_length;
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uint8_t free_format_flag;
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uint8_t ID;
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uint8_t layer;
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uint8_t variable_rate_audio_indicator;
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} AudioStreamDescriptor_t;
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/*!
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* \struct HierarchyDescriptor_t
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* \brief Hierarchy descriptor structure.
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*
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* 2.6.6 Hierarchy descriptor.
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* H.222 table 2-43.
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*/
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typedef struct HierarchyDescriptor_t
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{
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uint8_t descriptor_tag;
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uint16_t descriptor_length;
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uint8_t hierarchy_type;
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uint8_t hierarchy_layer_index;
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uint8_t hierarchy_embedded_layer_index;
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uint8_t hierarchy_channel;
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} HierarchyDescriptor_t;
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/* ************************************************************************** */
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#endif // PROGRAM_ELEMENT_DESCRIPTORS_STRUCT_H
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