/***************************************************************************************
 *
 *  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
 *
 *  By downloading, copying, installing or using the software you agree to this license.
 *  If you do not agree to this license, do not download, install, 
 *  copy or use the software.
 *
 *  Copyright (C) 2014-2024, Happytimesoft Corporation, all rights reserved.
 *
 *  Redistribution and use in binary forms, with or without modification, are permitted.
 *
 *  Unless required by applicable law or agreed to in writing, software distributed 
 *  under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 *  CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
 *  language governing permissions and limitations under the License.
 *
****************************************************************************************/

#ifndef H265_UTIL_H
#define H265_UTIL_H

#define MAX_SPATIAL_SEGMENTATION 4096 // max. value of u(12) field

typedef struct
{
	int		nal_len;
	uint32	general_profile_idc;
	uint32	general_level_idc;
	uint32	separate_colour_plane_flag;
	uint32	pic_width_in_luma_samples;
	uint32	pic_height_in_luma_samples;
	uint32	sps_max_sub_layers_minus1;
	uint32	sps_seq_parameter_set_id;
	uint32	chroma_format_idc;
	uint32	conformance_window_flag;
	uint32	conf_win_left_offset;
	uint32	conf_win_right_offset;
	uint32	conf_win_top_offset;
	uint32	conf_win_bottom_offset;	
	uint32	bit_depth_luma_minus8;
	uint32	bit_depth_chroma_minus8;
} h265_t;

typedef struct 
{
    uint8   general_profile_space;
    uint8   general_tier_flag;
    uint8   general_profile_idc;
    uint32  general_profile_compatibility_flags;
    uint64  general_constraint_indicator_flags;
    uint8   general_level_idc;
    uint16  min_spatial_segmentation_idc;
    uint8   parallelismType;
    uint8   chromaFormat;
    uint8   bitDepthLumaMinus8;
    uint8   bitDepthChromaMinus8;
    uint16  avgFrameRate;
    uint8   constantFrameRate;
    uint8   numTemporalLayers;
    uint8   temporalIdNested;
    uint8   lengthSizeMinusOne;
} HEVCDecoderConfigurationRecord;

#ifdef __cplusplus
extern "C" {
#endif

void h265_parser_init(h265_t * h);
int  h265_parser_parse(h265_t * h, uint8 * p_data, int len);
void hvcc_init(HEVCDecoderConfigurationRecord * hvcc);
int  hvcc_parse_vps(HEVCDecoderConfigurationRecord * hvcc, uint8 * p_data, int len);
int  hvcc_parse_pps(HEVCDecoderConfigurationRecord * hvcc, uint8 * p_data, int len);

#ifdef __cplusplus
}
#endif

#endif // H265_UTIL_H