148 lines
7.7 KiB
C
148 lines
7.7 KiB
C
/*
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* Copyright (c) 2023-2024 Quaming Intelligent Technology Co., Ltd.
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*
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* All Rights Reserved.
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* Confidential and Proprietary - Quaming Intelligent Technology Co., Ltd.
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*/
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#ifndef _QUA_H264_SPS_H
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#define _QUA_H264_SPS_H
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#include <stdint.h>
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#include <stdio.h>
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#include "qua_bitread.h"
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#include "qua_h264_common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define QUA_MAX_BR 240000 /* for level 5.1 */
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#define QUA_MAX_CPB 240000 /* for level 5.1 */
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#define QUA_MAX_IMUM_VALUE_OF_CPB_CNT 32
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#define QUA_MAX_NUM_REF_FRAMEs_IN_POC_CYCLE 256
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typedef enum qua_h264_chroma_fmt_t {
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QUA_H264_CHROMA_400 = 0, //!< Monochrome
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QUA_H264_CHROMA_420 = 1, //!< 4:2:0
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QUA_H264_CHROMA_422 = 2, //!< 4:2:2
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QUA_H264_CHROMA_444 = 3 //!< 4:4:4
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} qua_h264_chroma_fmt_t;
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typedef struct qua_h264_hrd_t {
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uint32_t cpb_cnt_minus1; // ue(v)
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uint32_t bit_rate_scale; // u(4)
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uint32_t cpb_size_scale; // u(4)
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uint32_t bit_rate_value_minus1[QUA_MAX_IMUM_VALUE_OF_CPB_CNT]; // ue(v)
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uint32_t cpb_size_value_minus1[QUA_MAX_IMUM_VALUE_OF_CPB_CNT]; // ue(v)
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uint32_t cbr_flag[QUA_MAX_IMUM_VALUE_OF_CPB_CNT]; // u(1)
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uint32_t initial_cpb_removal_delay_length_minus1; // u(5)
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uint32_t cpb_removal_delay_length_minus1; // u(5)
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uint32_t dpb_output_delay_length_minus1; // u(5)
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uint32_t time_offset_length; // u(5)
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} qua_h264_hrd_t;
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typedef struct qua_h264_vui_t {
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int32_t aspect_ratio_info_present_flag; // u(1)
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uint32_t aspect_ratio_idc; // u(8)
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uint16_t sar_width; // u(16)
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uint16_t sar_height; // u(16)
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int32_t overscan_info_present_flag; // u(1)
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int32_t overscan_appropriate_flag; // u(1)
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int32_t video_signal_type_present_flag; // u(1)
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uint32_t video_format; // u(3)
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int32_t video_full_range_flag; // u(1)
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int32_t colour_description_present_flag; // u(1)
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uint32_t colour_primaries; // u(8)
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uint32_t transfer_characteristics; // u(8)
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uint32_t matrix_coefficients; // u(8)
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int32_t chroma_location_info_present_flag; // u(1)
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uint32_t chroma_sample_loc_type_top_field; // ue(v)
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uint32_t chroma_sample_loc_type_bottom_field; // ue(v)
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int32_t timing_info_present_flag; // u(1)
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uint32_t num_units_in_tick; // u(32)
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uint32_t time_scale; // u(32)
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int32_t fixed_frame_rate_flag; // u(1)
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int32_t nal_hrd_parameters_present_flag; // u(1)
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struct qua_h264_hrd_t nal_hrd_parameters; // hrd_paramters_t
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int32_t vcl_hrd_parameters_present_flag; // u(1)
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struct qua_h264_hrd_t vcl_hrd_parameters; // hrd_paramters_t
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// if ((nal_hrd_parameters_present_flag || (vcl_hrd_parameters_present_flag))
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int32_t low_delay_hrd_flag; // u(1)
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int32_t pic_struct_present_flag; // u(1)
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int32_t bitstream_restriction_flag; // u(1)
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int32_t motion_vectors_over_pic_boundaries_flag; // u(1)
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uint32_t max_bytes_per_pic_denom; // ue(v)
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uint32_t max_bits_per_mb_denom; // ue(v)
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uint32_t log2_max_mv_length_vertical; // ue(v)
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uint32_t log2_max_mv_length_horizontal; // ue(v)
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uint32_t num_reorder_frames; // ue(v)
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uint32_t max_dec_frame_buffering; // ue(v)
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} qua_h264_vui_t;
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typedef struct qua_h264_sps_t {
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int32_t valid; // indicates the parameter set is valid
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int32_t profile_idc; // u(8)
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int32_t constrained_set0_flag; // u(1)
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int32_t constrained_set1_flag; // u(1)
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int32_t constrained_set2_flag; // u(1)
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int32_t constrained_set3_flag; // u(1)
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int32_t constrained_set4_flag; // u(1)
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int32_t constrained_set5_flag; // u(2)
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int32_t level_idc; // u(8)
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uint32_t seq_parameter_set_id; // ue(v)
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int32_t chroma_format_idc; // ue(v)
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int32_t seq_scaling_matrix_present_flag; // u(1)
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int32_t seq_scaling_list_present_flag[12]; // u(1)
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int32_t scaling_list_4x4[6][QUA_H264_Scaling_List_4x4_Length]; // se(v)
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int32_t scaling_list_8x8[6][QUA_H264_Scaling_List_8x8_Length]; // se(v)
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int32_t use_default_scaling_matrix_4x4_flag[6];
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int32_t use_default_scaling_matrix_8x8_flag[6];
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int32_t bit_depth_luma_minus8; // ue(v)
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int32_t bit_depth_chroma_minus8; // ue(v)
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int32_t log2_max_frame_num_minus4; // ue(v)
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int32_t pic_order_cnt_type;
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// if( pic_order_cnt_type == 0 )
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int32_t log2_max_pic_order_cnt_lsb_minus4; // ue(v)
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// else if( pic_order_cnt_type == 1 )
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int32_t delta_pic_order_always_zero_flag; // u(1)
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int32_t offset_for_non_ref_pic; // se(v)
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int32_t offset_for_top_to_bottom_field; // se(v)
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int32_t num_ref_frames_in_pic_order_cnt_cycle; // ue(v)
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// for( i = 0; i < num_ref_frames_in_pic_order_cnt_cycle; i++ )
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int32_t offset_for_ref_frame[QUA_MAX_NUM_REF_FRAMEs_IN_POC_CYCLE]; // se(v)
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int32_t max_num_ref_frames; // ue(v)
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int32_t gaps_in_frame_num_value_allowed_flag; // u(1)
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int32_t pic_width_in_mbs_minus1; // ue(v)
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int32_t pic_height_in_map_units_minus1; // ue(v)
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int32_t frame_mbs_only_flag; // u(1)
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// if( !frame_mbs_only_flag )
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int32_t mb_adaptive_frame_field_flag; // u(1)
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int32_t direct_8x8_inference_flag; // u(1)
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int32_t frame_cropping_flag; // u(1)
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int32_t frame_crop_left_offset; // ue(v)
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int32_t frame_crop_right_offset; // ue(v)
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int32_t frame_crop_top_offset; // ue(v)
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int32_t frame_crop_bottom_offset; // ue(v)
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int32_t vui_parameters_present_flag; // u(1)
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struct qua_h264_vui_t vui_seq_parameters; // vui_seq_parameters_t
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int32_t separate_colour_plane_flag; // u(1)
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int32_t max_dec_frame_buffering;
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int32_t qpprime_y_zero_transform_bypass_flag;
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//----
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int32_t expected_delta_per_pic_order_cnt_cycle;
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} qua_h264_sps_t;
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int32_t qua_parser_sps(bitread_ctx_t *p_bitctx, qua_h264_sps_t *cur_sps);
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#ifdef __cplusplus
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}
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#endif
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#endif // _QUA_H264_SPS_H
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